A grate arrangement and a method for use in a fluidized-bed boiler. The arrangement comprises a grate having length and width defining the area of said grate, plurality of gas feeding means being distributed on the area of the grate, a gas supply system connected to the plurality of gas feeding means for supplying fluidizing gas above the grate, and a booster gas supply system connected to at least some of the plurality of gas feeding means for supplying booster gas above the grate. The gas feeding means are grouped in at least two feeding groups, each of which feeding groups is extending only to a subarea of the area of the grate. Controlling means are arranged for controlling the systems so that while at least one of the feeding groups is open to the gas supply system for feeding fluidizing gas above the grate, at least one another of the feeding groups is closed to said gas supply system and open to the booster gas supply system.
F23C 10/20 - Entrées pour l'air de fluidisation, p. ex. grillesSoles
F23C 9/00 - Appareils à combustion caractérisés par des dispositions pour renvoyer les produits de combustion ou les gaz de fumée dans la chambre de combustion
F23C 10/28 - Dispositifs de commande spécialement adaptés aux appareils de combustion à lit fluidisé
2.
Assembly for Handling Reel Spools and a Reel-up - Unwinder System for a Fiber Web Production Line
An assembly for handling reel spools (55) has spaced parallel horizontal support rails (12) and parallel vertical support elements (13; 15). Each of the horizontal support rails (12) extends between two of the vertical elements (13, 15) such that one vertical support element (13; 15) is arranged at each end of the support rail (12). Hoisting devices (30) are mounted to vertical elements at an unwinder end for raising reel spools above the rails for transfer to a reel spool transfer device (40) arranged on the support rails (12) which is movable to transport a hoisted reel spool to an opposite end where the reel spools are received by lowering devices (70). The invention also relates to a reel-up-unwinder system for a fiber web production line.
A ductwork (100) suitable for leading flue gas from a flue gas outlet (811) of a pulp mill or a power plant to air pollution control equipment (900) The ductwork (100) comprises a first main duct (110) extending in a longitudinal direction (dL) from a first inlet (111) to a first outlet (121) and configured to lead flue gas in the longitudinal direction (dL) from the first inlet (111) to the first outlet (121).The first main duct (110) is equipped with a mechanical conveyor (200) such that the mechanical conveyor (200) is configured to convey ash in the longitudinal direction (dL) or in a direction (-dL) reverse thereto. Use of the ductwork (100) for cleaning flue gas. Use of the ductwork (100) for constructing or upgrading a part of a pulp mill or a power plant.
F23J 3/00 - Enlèvement des résidus solides se trouvant dans les passages ou dans les chambres situés au delà du foyer, p. ex. dans les conduits de fumée par souffleurs de suie
A loading device (10) is used to adjust the size of a blade gap (9) in processing equipment for processing fibrous material. The loading device has a gearing (12) coupled in connection with a processing element (5, 6) to move the processing element (5, 6) in respect of another processing element (5, 6) for adjusting the size of the blade gap (9) between the processing elements. A cage induction motor (14) has a shaft (15) coupled to the gearing for operating the gearing, a position sensor (16) for measuring a rotational position (M-RP) of the shaft of the motor for indicating a position of the processing element in respect of the another processing element, and a frequency converter (17) coupled to the position sensor and to the motor for controlling the operation of the motor based on the measured rotational position of the shaft of the motor.
A refining segment (4, 8) for a refiner (1) for refining fibrous material has a body (20) with a front side (21) and a backside (22). The front side has a refining surface (5, 9) and the backside has a background surface (23). The refining segment has a first end edge (15) and a second end edge (16) opposite to the first end edge, and a first side edge (17) and a second side edge (18) opposite to the first side edge. The first side edge and the second side edge extend between the first end edge and the second end edge. The refining segment has backside support projections (29, 30) which project from the background surface and extend substantially along the first side edge and the second side edge without support projections extending substantially along the first end edge and the second end edge on the background surface.
A cyclone for separating solid material from a mixture of the solid material and a gaseous substance. The cyclone comprises a cylindrical body having a central axis in a first direction and an inlet channel. The cyclone is configured to let out the solid material from the cylindrical body in the first direction. An interior of the inlet channel tapers in the first direction towards a bottom of the inlet channel. Additionally, the cyclone comprises nozzles arranged at the bottom of the inlet channel, the nozzles being configured to feed gas to the inlet channel for enhancing flow of the solid material at the bottom of the inlet channel. A thermal system comprising the cyclone. Use of the cyclone such that the first direction is downwards.
F23C 10/08 - Appareils dans lesquels la combustion a lieu dans un lit fluidisé de combustible ou d'autres particules avec des moyens spécialement adaptés pour obtenir ou activer un mouvement de circulation des particules à l'intérieur du lit ou pour remettre en circulation les particules entraînées à l'extérieur du lit les particules étant entraînées vers une section, p. ex. une section d'échange de chaleur ou une conduite de retour, au moins partiellement séparée de la zone de combustion, avant d'être réintroduites dans la zone de combustion caractérisés par l'agencement de l'appareil de séparation, p. ex. des cyclones, pour séparer les particules des gaz de fumée
F23C 10/20 - Entrées pour l'air de fluidisation, p. ex. grillesSoles
7.
A Method for Treating Textile Fibers of Different Lengths
Textile fibers of different lengths are fractionated in a liquid medium at a predetermined consistency into at least two fractions on the grounds of the fiber length, the two fractions being a first accept and a second accept. The second accept, which has longer fibers than the first accept, is led to a refining step in the liquid medium, and the refined fibers are fractionated in the liquid medium into at least two fractions on the grounds of the fiber length.
The invention relates to a method and an unwinding section for unwinding a fiber web from a parent roll, which unwinding section comprises at least one unwinder for unwinding a fiber web from a parent roll and a joining device configured to join a trailing end of a running-out parent roll to a beginning end of a next, new parent roll to be unwound in a parent roll change. The unwinding section comprises a broke handling device configured to handle broke. The unwinding section comprises a tensioning device located between the joining and the broke handling, and the tensioning device is configured to tension and straighten the fiber web to be joined between the tensioning device and the joining device before joining of the end of the fiber web from the running-out parent roll and the end of the fiber web from the next parent roll to be unwound.
The invention relates to a method and an apparatus for converting wax to oil in a pyrolysis process, wherein a feed comprising plastic is fed to a pyrolysis reactor, and the feed is pyrolyzed to form a pyrolysis product. At least a wax fraction is separated from the pyrolysis product in a separation unit, and the wax fraction can be supplied to a visbreaking unit in which the wax fraction is cracked to form at least an oil product comprising aliphatic compounds.
C10G 1/00 - Production de mélanges liquides d'hydrocarbures à partir de schiste bitumineux, de sable pétrolifère ou de matières carbonées solides non fusibles ou similaires, p. ex. bois, charbon
C10G 1/10 - Production de mélanges liquides d'hydrocarbures à partir de schiste bitumineux, de sable pétrolifère ou de matières carbonées solides non fusibles ou similaires, p. ex. bois, charbon à partir de caoutchouc ou de déchets de caoutchouc
C10G 9/00 - Craquage thermique non catalytique, en l'absence d'hydrogène, des huiles d'hydrocarbures
The invention relates to a filter cloth of a press filter, which press filter comprises filter frames, which filter cloth/-s (10) comprise side edges (13, 14) and a bottom edge (12) and which filter cloth/-s (10) are configured to cover the operating surfaces of the filter frame and to be attached at least at side edges (13, 14) of the filter cloth/-s (10). The filter cloth/-s (10) has/have at least at one side edge (14) fastening elements (21) and at least at the other side edge (13) counter fastening elements (22) to be fastened to each other and configured to form attachments (20) of the filter cloth/-s (10) at the filter frame and the fastening elements (21) and the counter fastening elements (22) are made directly to the filter cloth/-s.
B01D 25/164 - Presses à chambre et à plaque, c.-à-d. dans lesquelles les bords latéraux des éléments filtrants sont calés entre les deux plaques filtrantes successives
B01D 25/176 - Fixation de l'élément filtrant aux plaques du filtre-presse, p. ex. autour de l'orifice central d'alimentation des plaques
11.
WALL FOR A FLUIDIZED BED BOILER AND A FLUIDIZED BED BOILER
A wall (200) for a fluidized bed boiler (300). The wall (200) comprises a first heat exchanger pipe (110) comprising a first primary portion (111) and a first secondary portion (112), and a second heat exchanger pipe (120) comprising a second primary portion (121) and a second secondary portion (122). A first gap (221) is arranged between the first secondary portion (112) and the second secondary portion (122), and at least a part of the first secondary portion (112) and at least a part of the second secondary portion (122) extend straight, in parallel, and within an imaginable plane (P). The wall (200) is configured such that particulate material is able to propagate through the first gap (221) from a first side (S1) of the plane (P) to the opposite second side (S2) of the plane (P). The wall (200) comprises a refractory (230) arranged on at least one side of a part of the first secondary portion (112) and a part of the second secondary portion (122). A fluidized bed boiler comprising the wall (200).
F23C 10/12 - Appareils dans lesquels la combustion a lieu dans un lit fluidisé de combustible ou d'autres particules avec des moyens spécialement adaptés pour obtenir ou activer un mouvement de circulation des particules à l'intérieur du lit ou pour remettre en circulation les particules entraînées à l'extérieur du lit les particules étant mises en circulation uniquement à l'intérieur de la zone de combustion
F22B 31/00 - Modifications de la structure de la chaudière ou des systèmes de tubes, dépendant de l'installation d'un appareil à combustionAménagements ou dispositions des appareils à combustion
A grate assembly for use in a bottom section (28) of a combustion chamber (12) of a fluidized bed boiler (10), comprising: a grate bottom wall (32); a protective refractory material layer (36); a plurality of nozzle devices (38) for supplying fluidizing primary air; at least one grate module (40) formed on the grate bottom wall (32). Each grate module (40) comprises a solids removal opening (42); a plurality of concentric landings (46) formed in the refractory material layer (36) and separated by frontal surfaces (48) between the landings. Each frontal surface (48) surrounds one of the landings and follows the shape of the perimeter of a rectangle or a rectangle with at least one shaped corner. The landings (46) define a stepped structure. Each landing comprises a group of the nozzle devices embedded in the refractory material layer (36) and adapted to jet the air through one of the frontal surfaces (48) along one of the landings (46) that is adjacent to the frontal surface.
A joint for joining ends of at least two fiber webs together, the joint being formed of at least one cut provided to penetrate through the ends of the fiber webs in an overlapping position, which cut has at least one side part and from the side part extending at least one substantially straight part and which cut, which forms at least one flap, being configured to remain attached to the fiber webs by at least one folding line substantially aligned with the direction of the movement of the fiber webs.
A debarking drum (1) for the debarking of wood (2) has an essentially horizontal cylindrical drum (10) supported to revolve around its longitudinal axis. The drum has a first end (12) and a second end (14) with an inner surface with inwardly projecting longitudinally extending debarking iron sections (16). Bark openings or slots (20) extend through the drum inner surface (18) and multiple rigid studs (22) protrude inwardly from the inner surface (18) and are positioned between the debarking iron sections (16). The studs operate to break the bark (3) of the wood (2) for debarking. The studs (22) are positioned along a partial length (L) of the drum (10) between the first end (12) and the second end (14). The invention also relates to a method and system for the debarking of wood by the debarking drum.
B27L 1/02 - Écorçage ou enlèvement des attaches de branches des arbres ou des billesMachines à cet effet par frottement des troncs les uns contre les autresÉquipement pour l'écorçage humide
15.
METHOD FOR FORMING A MOLDED FIBER PRODUCT AND A MOLDED FIBER PRODUCT
A method for forming a molded fiber product includes forming a layer of foam including fibers, water, air and foaming chemical by a pair of molds. In addition, in the method, foam is fed between the molds, and the pair is closed and opened. Foam is fed via one of the molds while the pair is sealed from its sides.
B29C 44/38 - Alimentation en matière à mouler dans une cavité de moulage fermée, c.-à-d. pour la fabrication d'objets de longueur définie
B29C 44/02 - Moulage par pression interne engendrée dans la matière, p. ex. par gonflage ou par moussage pour la fabrication d'objets de longueur définie, c.-à-d. d'objets séparés
The invention relates to a bracket for a pivot rod in a doctor arrangement. The bracket has a base with a mounting aperture and adjacent ears with a hole for a pivot rod arranged perpendicular to the base. The bracket is a cast or 3D-printed piece. The invention also relates a doctor arrangement for a fiber web machine.
A method for heating a heat exchange medium in a fluidized bed boiler (100), the method comprising burning first fuel (165) in a first furnace (162) of the fluidized bed boiler (100) to produce first flue gas (163); recovering heat from the first flue gas (163) to a heat exchange medium using a first heat exchanger (310); conveying the heat exchange medium from the first heat exchanger (310) to a second heat exchanger (320), of which at least a part is arranged in contact with a fluidized bed of the fluidized bed boiler (100); burning second fuel (175) in a second furnace (172) of the fluidized bed boiler (100) to produce second flue gas (173); conveying the heat exchange medium from the second heat exchanger (320) to a third heat exchanger (330); and recovering heat from the second flue gas (173) to the heat exchange medium using the third heat exchanger (330). A fluidized bed boiler (100) for performing the method. A loopseal heat exchanger (400) that is, when installed in a loopseal of a circulating fluidized bed boiler, configured to burn second fuel (175) in a second furnace (172) of the loopseal heat exchanger (400) to produce second flue gas (173); convey the heat exchange medium from the second heat exchanger (320) to a third heat exchanger (330); and recover heat from the second flue gas (173) to the heat exchange medium using the third heat exchanger (330).
F22B 31/04 - Production de la chaleur par une installation comportant plusieurs appareils à combustion, p. ex. comportant des appareils à combustion distincts respectivement pour la chaudière et le surchauffeur
F23C 6/02 - Appareils à combustion caractérisés par la combinaison d'au moins deux chambres de combustion disposées parallèlement
F28D 13/00 - Appareils échangeurs de chaleur utilisant un lit fluidisé
F01D 15/10 - Adaptations pour la commande des générateurs électriques ou combinaisons avec ceux-ci
H02K 7/18 - Association structurelle de génératrices électriques à des moteurs mécaniques d'entraînement, p. ex. à des turbines
A grate arrangement and a method for use in a fluidized-bed boiler. The arrangement (100) comprises a grate (1) having length (L) and width (W) defining the area (A) of said grate, plurality of gas feeding means (2) being distributed on the area (A) of the grate, a gas supply system (3) connected to the plurality of gas feeding means (2) for supplying fluidizing gas above the grate (1), and a booster gas supply system (4) connected to at least some of the plurality of gas feeding means (2) for supplying booster gas above the grate (1). The gas feeding means (2) are grouped in at least two feeding groups (5), each of which feeding groups (5) is extending only to a subarea (S) of the area (A) of the grate. Controlling means (6, 7) are arranged for controlling the systems (3, 4) so that while at least one of the feeding groups (5) is open to the gas supply system (3) for feeding fluidizing gas above the grate (1), at least one another of the feeding groups (5) is closed to said gas supply system (3) and open to the booster gas supply system (4).
F23C 10/20 - Entrées pour l'air de fluidisation, p. ex. grillesSoles
F23C 9/00 - Appareils à combustion caractérisés par des dispositions pour renvoyer les produits de combustion ou les gaz de fumée dans la chambre de combustion
F23C 10/28 - Dispositifs de commande spécialement adaptés aux appareils de combustion à lit fluidisé
19.
System of Controlling Performance of a Slitter-winder and/or the Fiber Web Production Line and a Method of Controlling Performance of a Slitter-winder and/or a Fiber Web Production Line
A system (50) for controlling performance of a slitter-winder (25) and/or a fiber web production line (100) has an advisor unit (34, 36, 37) with a processor and a memory including computer program code, configured to cause the advisor unit (34, 36,37) to generate and transmit signals as first control data to the slitter-winder (25) and/or as second control data to the fiber web production line (100) based on information data received from the slitter-winder (25) and the fiber web production line (100) to control performance of the slitter-winder (25) and/or the fiber web production line (100). Performance of a slitter-winder (25) and/or a fiber web production line is controlled by receiving information data from the slitter-winder and the fiber web production line (100), processing the received information data according to a predetermined configuration, based on the processed data; generating signals according to the predetermined configuration to control the performance.
B26D 5/32 - Dispositions pour manœuvrer et commander les machines ou les dispositifs de coupe, découpage, poinçonnage, perforation ou séparation autrement que par coupe l'organe de coupe et d'avance de la pièce ayant une action conjuguée l'organe de coupe étant commandé par balayage d'un support d'enregistrement le support d'enregistrement étant formé par la pièce elle-même
B26D 1/14 - Coupe d'une pièce caractérisée par la nature ou par le mouvement de l'élément coupantAppareils ou machines à cet effetÉléments coupants à cet effet comportant un élément qui ne suit pas le mouvement de la pièce ayant un élément coupant se déplaçant autour d'un axe avec un élément circulaire, p. ex. un disque
B65H 35/00 - Délivrance d'articles à partir de machines à découper ou à perforer linéairementAppareils délivrant des articles ou des bandes, comportant des dispositifs pour couper ou perforer linéairement, p. ex. distributeurs de bande adhésive
B65H 43/00 - Utilisation de dispositifs de commande de vérification ou de sécurité, p. ex. dispositifs automatiques comportant un élément pour détecter une variable
This invention relates to a method for manufacturing a belt for a paper, board, pulp or tissue machine, the belt (5) comprising a body (14), and a reinforcing structure (31, 32), the belt (5) having an inner surface (10) and an outer surface (11), wherein the method comprises: applying a coating comprising a solid lubricant on to a casting cylinder (18), drying the coating comprising the solid lubricant, thereby obtaining solid lubricant particles (29) on the casting cylinder (18), casting a body material (21) onto the casting cylinder (18) in order to form the body (14) on the solid lubricant particles, and providing the reinforcement structure (31, 32) into the belt, thereby obtaining the belt in which the solid lubricant particles forms at least part of the inner surface of the belt. This invention relates to an arrangement for manufacturing a belt for a paper, board, pulp or tissue machine. The invention further relates to a belt for a paper, board, pulp, or tissue machine.
b) for a refiner (1) for refining fibrous material has first (20) and second (21) end edges and first (22) and second (23) side edges, the first (22) and second (23) side edges extending between the first (20) and second (21) end edges. The segment has a refining surface (5, 9) with blade bars (27) and grooves (28) on the segment front surface (25). At least one opening (14, 15) at the side edge (22, 23) extends through the whole thickness of the segment body (24) and towards the opposite side edge (22, 23). A guide element projects from the segment background surface (26) at the side edge which provides a guide surface that intensifies the feed of the material to be refined through the opening to the refining surface of the blade segment into the refining chamber of the refiner.
The invention relates to a method for producing an oil rich fraction (OF) from primary feedstock (FS) that comprises water, first salt, second salt, and biomass. The feedstock (FS) is provided to a first reaction zone (Z1) of a conversion reactor (100), where it is allowed to react at a temperature of at least 350° C. in a pressure of at least 160 bar to form converted primary feedstock. The method comprises separating from the converted primary feedstock a first salt rich fraction (SF1), a second salt rich fraction (SF2), and an oil rich fraction (OF). The method comprises withdrawing the oil rich fraction (OF) from the first reaction zone (Z1) and withdrawing the first salt rich fraction (SF1) and the second salt rich fraction (SF2) from the conversion reactor (100). In the method the first salt rich fraction (SF1) comprises at least some of the first salt dissolved in the water, the second salt rich fraction (SF2) comprises at least some of the second salt in solid form, and at least one of the first salt and the second salt is a salt capable of catalysing the reaction of the biomass of the primary feedstock (FS) with the water of the primary feedstock (FS) to produce the oil rich fraction (OF). A device for the same.
C01D 3/00 - Halogénures de sodium, de potassium ou des métaux alcalins en général
C10G 1/00 - Production de mélanges liquides d'hydrocarbures à partir de schiste bitumineux, de sable pétrolifère ou de matières carbonées solides non fusibles ou similaires, p. ex. bois, charbon
C10G 1/04 - Production de mélanges liquides d'hydrocarbures à partir de schiste bitumineux, de sable pétrolifère ou de matières carbonées solides non fusibles ou similaires, p. ex. bois, charbon par extraction
C10G 1/08 - Production de mélanges liquides d'hydrocarbures à partir de schiste bitumineux, de sable pétrolifère ou de matières carbonées solides non fusibles ou similaires, p. ex. bois, charbon par hydrogénation destructive avec catalyseurs mobiles
23.
ADJUSTING BLADE GAP IN PROCESSING EQUIPMENT FOR PROCESSING FIBROUS MATERIAL
A loading device (10), an arrangement and a method for adjusting a size of a blade gap (9) in processing equipment for processing fibrous material. The loading device comprises a gearing (12) to be coupled in connection with a processing element (5, 6) of the processing equipment to move the processing element (5, 6) in respect of another processing element (5, 6) of the processing equipment for adjusting the size of the blade gap (9) between the processing elements, a cage induction motor (14) comprising a shaft (15) coupled to the gearing for operating the gearing, a position sensor (16) for measuring a rotational position (M-RP) of the shaft of the motor for indicating a position of the processing element in respect of the another processing element, and a frequency converter (17) coupled to the position sensor and to the motor for controlling the operation of the motor based on the measured rotational position of the shaft of the motor.
A hydrocyclone having a mid-section having a longitudinal axis and a radius, and a fluid injection member releasably connected to the mid-section. The fluid injection member has a dilution passage therethrough and two spaced apart dilution ports, at least one dilution port being at an angle between 15 and 75 degrees relative to the mid-section radius. The injection member comprises a nozzle housing releasably connected to the mid-section, the nozzle housing having a dilution passage therethrough, and a nozzle adapted to be connected to the nozzle housing, the nozzle being planar and having at least one dilution port therethrough, the nozzle being receivable within the dilution passage.
The invention relates to a system of producing MFC (micro fibrillated cellulose) having a process device (30) of a pulper, a refiner or a screen configured to process MFC suspension to consistency of 0.5-5%. The system has a continuous pressing means (15; 25, 26) configured to dry the MFC suspension to a consistency of 6-60%. A method of producing MFC has at least one process stage (30) which processes a MFC suspension to a consistency of 0.5-5% by a process device (30). In the process stage the MFC suspension is pulped in a pulping stage in a pulper and/or refined in a refining stage by a refiner and/or screened in a screening stage by a screen. The MFC suspension having the consistency of 0.5-5% is dried in a drying stage of continuous pressing (15, 25, 26) by continuous a pressing device (15, 25, 26) to a consistency of 6-60%.
A blade element (4, 8) for a refiner (1) for refining fibrous material has a first end edge (18) to be directed towards a feed of the fibrous material to be refined and a second end edge (19) to be directed towards a discharge of the refined fibrous material and a refining surface (5, 9) comprising blade bars (16) and blade grooves (17) therebetween. The refining surface (5, 9) has at least one equalizing pocket (23) extending along the refining surface (5, 9) of the blade element (4, 8) and crossing a number of the blade bars (16) and a number of the blade grooves (17) for equalizing flow of the fibrous material along the refining surface (5,9).
A sleeve roll belt (10) has an inner surface (11) and an outer surface (12). The belt has a body (15) and a reinforcing structure (30). The reinforcing structure (30) has first yarns (31) arranged to a first direction (D1) of the belt, and second yarns (32) arranged to a second direction (D2) of the belt. The reinforcing structure (30) also has auxiliary yarns (31b, 31c) arranged parallel or substantially parallel to the first direction (D1) of the belt, wherein the auxiliary yarns are arranged to a depth of greater than a depth of the first yarns, measured from the outer surface (12) of the body (15) to an outer surface (31-o, 31b-o) of each yarn (31, 31b, 31c) in the depth direction of the belt, and a diameter of the auxiliary yarns is at least 20% smaller than a diameter of the first yarns.
A method for treating textile fibers of different lengths comprises fractionating the fibers in a liquid medium at a predetermined consistency into at least two fractions on the grounds of the fiber length, the two fractions being a first accept and a second accept; leading the second accept, which has longer fibers than the first accept, to a refining step in the liquid medium, and fractionating the refined fibers in the liquid medium into at least two fractions on the grounds of the fiber length.
37 - Services de construction; extraction minière; installation et réparation
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Industrial evaporators for liquid wastes in the wood pulp and paper industries Installation of industrial evaporators; Repair and maintenance of industrial evaporators; Technical consultancy relating to the repair of industrial evaporators Design of industrial evaporators; Technical consultancy relating to the design of industrial evaporators
33.
A METHOD AND A SYSTEM FOR MANUFACTURING CARBONOUS MATERIAL
A method for manufacturing carbonous material, the method comprisingmixing a solid composition (SC) with first water (W1) to form a carbonatablemixture (M2C), the solid composition (SC) comprising a compound comprising5an element selected from the Group I or II of the periodic table of elementsexcluding hydrogen, adding liquid or gaseous carbonating fluid (CF) to thecarbonatable mixture (M2C) to carbonate the carbonatable mixture (M2C) toform carbonated mixture (CM), the carbonating fluid (CF) comprising at least1 vol % carbon dioxide (CO2) such that a pH of the carbonated mixture (CM)10is less than 9. According to a first aspect, the method comprises thereafteradding a stabilizer (S) comprising iron (Fe) to a sludge comprising at least apart of the carbonated mixture (CM) to stabilize the carbonated mixture (CM)to produce a mixture (MA) comprising the carbonous material. According to asecond aspect, the method comprises carbonating the solid composition (SC)15in at least two phases. A system for the same.Fig. 1a
A62D 3/36 - Détoxification au moyen de réactifs acides ou alcalins
A62D 3/37 - Procédés pour rendre les substances chimiques nuisibles inoffensives ou moins nuisibles en effectuant un changement chimique dans les substances par réaction avec des agents chimiques par réduction, p. ex. hydrogénation
B01D 53/80 - Procédés en phase semi-solide, c.-à-d. au moyen de boues
B09B 3/80 - Destruction de déchets solides ou transformation de déchets solides en quelque chose d'utile ou d'inoffensif impliquant une étape d'extraction
34.
Method and System for Producing Recycled Fibers for MDF or HDF Production
Recycled fibers are produced from MDF or HDF containing material, for instance for use in MDF or HDF production by steaming (2) the MDF or HDF containing material for a predetermined time to obtain steamed material, subjecting the steamed material to a pulping process (3) to obtain a slurry, screening (4a, 4b) the slurry to remove oversize particles to obtain a screened slurry, dewatering (5) the screened slurry to obtain dewatered fibers and refining or fluffing (6) the dewatered fibers to obtain said recycled fibers. A method for producing MDF or HDF boards using such recycled fibers is also provided. Corresponding systems for producing recycled fibers and producing MDF or HDF boards are also provided.
A refining segment (4, 8) for a refiner (1) for refining fibrous material. The refining segment (4, 8) comprises a body (20) comprising a front side (21) and a backside (22), the front side comprising a refining surface (5, 9) and the backside comprising a background surface (23), and a first end edge (15) and a second end edge (16) opposite to the first end edge, and a first side edge (17) and a second side edge (18) opposite to the first side edge, the first side edge and the second side edge extending between the first end edge and the second end edge. The refining segment comprises on the backside support projections (29, 30) projecting from the background surface and extending on the background surface substantially along the first side edge and the second side edge without comprising support projections extending substantially along the first end edge and the second end edge on the background surface.
A continuous disc filter device including a slurry containing bath, and a disc filter assembly comprising a rotor assembly supported to turn on a horizontal axis and having a filtrate outlet end, a plurality of filter discs spaced apart along the length of the rotor assembly horizontal axis, a plurality of spaced apart discharge conduits, and a plurality of disc filter section support and filtrate channel arms. Each disc filter section has a disc filter section filtrate outlet therein for filtrate to leave the disc filter section. A plurality of spaced apart discharge conduits each includes a discharge conduit housing extending along the rotor assembly horizontal axis and having a longitudinally extending discharge conduit filtrate passageway therein. Each discharge conduit is connected at one end to the rotor assembly filtrate outlet end and connected to respective disc filter section filtrate outlets, and each discharge conduit filtrate passageway is positioned between adjacent filter sections.
B01D 33/23 - Structure des disques ou des secteurs qui les composent
B01D 33/74 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration comportant des dispositifs d'alimentation ou d'évacuation d'évacuation du filtrat
37.
Modified polyurethane belt for a paper, board, pulp or tissue machine and process of producing thereof
A process produces a body of a belt (10) for a paper, board, pulp or tissue machine, the body having an inner surface and an outer surface. The process includes producing a modified polyurethane by adding a polydialkylsiloxane having at least one functional group to a manufacturing process of a polyurethane in order to obtain the modified polyurethane, which modified polyurethane is a polyurethane matrix having a covalent bond with the polydialkylsiloxane, and forming the body of the belt, wherein the body is the modified polyurethane. The belt (10) is for a paper, board, pulp, or tissue machine, or for a shoe press and a sleeve roll.
A method for thermal processing of biomass, the method comprising taking at least one image from a feedstock (FS) comprising solid biomass; feeding at least the feedstock (FS) to a plant (500) for thermal processing; determining primary information indicative of a heating value of the feedstock (FS) using a processing unit (CPU) and the at least one image; and based on the primary information controlling a flow of material fed into the plant (500) and/or a temperature or a content of the material fed into the plant (500). A system for the same. In addition, a method for teaching a data-driven model, the data-driven model being for the purpose of determining from at least one image primary information indicative of a heating value of the material shown in the at least one image.
C10L 9/08 - Traitement des combustibles solides en vue d'améliorer leur combustion par traitement thermique, p. ex. calcination
C10L 5/44 - Combustibles solides à base essentielle de matières d'origine non minérale de matières végétales
G06V 10/82 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant les réseaux neuronaux
G06V 20/52 - Activités de surveillance ou de suivi, p. ex. pour la reconnaissance d’objets suspects
A system and method of producing MFC (micro fibrillated cellulose), which system comprises at least one refiner. The refiner comprises a mechanism for refining the stock in at least two refining stages, advantageously at least two refiners for refining the stock in at least two refining stages, and that the refiners comprise a number of refining bars. The refining bars have width of 0.5-2.0 mm, height less than 7 mm and groove width of 0.5-3 mm. The method comprises at least two refining stages, in which the pulp stock is refined in at least one refining stage in consistency of 3-5%, and the method comprises at least one screening stage in at least one screen in consistency of 0.5-5%.
A canister which has a substantially cylindrical form and comprises an innermost compartment located around an imaginary center axis of the cylindrical form and extending longitudinally in axial direction of the canister. The canister comprises cleaner cones, which have a substantially cone-like form with a hollow inside and which cleaner cones are removably mounted to the canister and located in the canister such, that narrow ends of cone form of the cleaner cones extend to the innermost compartment and wide ends of the cone form of the cleaner cones extend to the cylindrical circumference of the canister. The cleaner cones comprise covers and the cleaner cones are mounted such that cover of the cleaner cone is outside the canister. The canister further comprises an inspection light source configured to provide a visible indication of status of a cleaner cone of the canister in view of possible plug in the cleaner cone, when the light source is in operation.
the cart being provided with a hoisting device configured to hoist the reel spool vertically from beneath of at least one of the support rails to at least partly above at least one of the support rails.
A grate assembly for use in a bottom section (28) of a combustion chamber(12) of a fluidized bed boiler (10), comprising: a grate bottom wall (32); a protective refractory material layer (36); a plurality of nozzle devices (38) for supplying fluidizing primary air; at least one grate module (40) formed on the grate bottom wall (32). Each grate module (40) comprises a solids removal opening (42); a plurality of concentric landings (46) formed in the refractory material layer (36) and separated by frontal surfaces (48) between the landings. Each frontal surface (48) surrounds one of the landings and follows the shape of the perimeter of a rectangle or a rectangle with at least one shaped corner. The landings (46) define a stepped structure. Each landing comprises a group of the nozzle devices embedded in the refractory material layer (36) and adapted to jet the air through one of the frontal surfaces (48)along one of the landings (46) that is adjacent to the frontal surface.
An elongated planar or profiled component for a manufacturing machine of a fibrous cellulosic web, such as paper, board or tissue web, is at least partially formed from a composite material having a continuous polymer matrix, and reinforcing inorganic fibers embedded in the continuous polymer matrix. The continuous polymer matrix is biodegradable and the reinforcing inorganic fibers are biodegradable glass fibers. A method is disclosed for recycling elongated planar and/or profiled components used for manufacture of a fibrous web.
A method for joining ends of fiber webs with a device comprising a tool element with a gripping device and a traversing punching device. A run of the fiber web from the emptying parent roll is moved to a joining position at the tool element. The trailing end of the parent roll fiber web is cut upstream from the joining position and the fiber web is attached to the tool element by a gripping device of the tool element. An end of a new roll fiber web is guided to contact with and to an overlapping position with the trailing end of the parent roll fiber. The traversing punching device is moved across the width direction of the fiber webs and makes at least one joint cut and joins the fiber webs. The new fiber web is cut downstream from the joint, and then tension control is turned on.
A pulp treating arrangement (10) has a pulp treating apparatus (100), which receives a first pulp (150) which including at least one of virgin pulp (152) and recycled pulp (154). The arrangement performs a processing of fines of the first pulp (150), and outputs a second pulp (160) having a modified percentage of fines on the basis of the processing and provides a micro-/nanocellulose process arrangement (104) with the second pulp (160).
An unmanned aerial vehicle (UAV) has a multicopter section for flying in air with an attached blower section for generating an air stream for blowing dust off surfaces. A flight controller controls the multicopter section, a blower controller controls the blower section, and a power supply supplies power to the multicopter and blower sections. The flight controller and the blower controller are connected, and the blower controller is adapted to supply blower control commands to the flight controller to compensate for the thrust of the air stream from the blower section by flight control of the multicopter section. The UAV may be enclosed by a protective cage in the form of a meshed polyhedron, wherein the rods of the meshes are elastically connected at the respective nodes.
A method for producing a product fraction (PF) from feedstock that comprises water. The method comprises allowing the feedstock (FS) to react in a first reaction zone (Z1) of a conversion reactor (100) at a temperature of at least 350 °C in a pressure of at least 160 bar to form converted feedstock, separating at the temperature of at least 350 °C and in the pressure of at least 160 bar from the converted feedstock the product fraction (PF) and a fraction comprising a residue fraction (RF), letting out the product fraction (PF) from the first reaction zone (Z1 ). The method comprises letting out the residue fraction (RF) from the conversion reactor (100) through a first outlet (122), letting out fluid (FF, PF, WF) from the conversion reactor (100) through a second outlet (124), feeding the fluid (FF, PF, WF) that has been let out from the conversion reactor (100) in to the conversion reactor (100) through a nozzle arrangement (130) arranged inside the conversion reactor (100) and near a wall (102) of the conversion reactor (100), and flushing the wall (102) of the conversion reactor (100) with at least the fluid (FF, PF, WF). A conversion reactor (100) for performing the method.
B01J 3/00 - Procédés utilisant une pression supérieure ou inférieure à la pression atmosphérique pour obtenir des modifications chimiques ou physiques de la matièreAppareils à cet effet
B01J 4/00 - Dispositifs d'alimentationDispositifs de commande d'alimentation ou d'évacuation
B01J 19/00 - Procédés chimiques, physiques ou physico-chimiques en généralAppareils appropriés
B01J 19/24 - Réacteurs fixes sans élément interne mobile
a) extending in the longitudinal direction (X) of the blade element. At the same longitudinal (X) position in the blade element (4, 8) the first dimension of the comminution parts is arranged to increase in the circumferential direction (C) of the blade element toward the feed section.
The invention relates to a method for forming a molded fiber product. In which method a layer (10) is formed of foam including fibers, water, air and foaming chemical by a pair (11) of molds (12, 13). In addition, in the method, foam is fed between the molds (12, 13), and the pair (11) is closed and opened. Foam is fed via one of the molds (12, 13) while the pair (11) is sealed from its sides. The invention relates also to a molded fiber product.
The invention relates to a debarking drum (1) for the debarking of wood (2), including an essentially horizontal cylindrical drum (10), which is supported to revolve around its longitudinal axis, which drum (10) includes : a first end (12) and a second end (14), debarking iron sections (16) adapted in the drum (10), and bark openings (20) adapted on the inner surface (18) of the drum (10), studs (22) adapted on the inner surface (18) of the drum (10) between said debarking iron sections (16) to break the bark (3) of the wood (2) for the debarking of the wood (2), which studs (22) are adapted in connection with the first end (12) of the drum (10) on a partial length (L) of the length of the drum (10) between the first end (12) and the second end (14). The invention also relates to a method and system for the debarking of wood by means of the debarking drum.
B27L 1/00 - Écorçage ou enlèvement des attaches de branches des arbres ou des billesMachines à cet effet
B27L 1/02 - Écorçage ou enlèvement des attaches de branches des arbres ou des billesMachines à cet effet par frottement des troncs les uns contre les autresÉquipement pour l'écorçage humide
A heat exchanger (10) suitable for recovering heat from bed material of a fluidized bed boiler (1). The heat exchanger (10) comprises first and second heat exchanger tubes (810, 820) and first and second feeding chambers (310, 320) configured to supply bed material to the first and second heat exchanger tubes (810, 820), respectively. The first heat exchanger tubes (810) are arranged on a first side of a plane (P) that intersects the first feeding chamber (310) and the second heat exchanger tubes (820) are arranged on a second side of the plane (P). The first feeding chamber (310) is configured to supply bed material to the second feeding chamber (320).
F28D 13/00 - Appareils échangeurs de chaleur utilisant un lit fluidisé
F22B 31/00 - Modifications de la structure de la chaudière ou des systèmes de tubes, dépendant de l'installation d'un appareil à combustionAménagements ou dispositions des appareils à combustion
F23C 10/10 - Appareils dans lesquels la combustion a lieu dans un lit fluidisé de combustible ou d'autres particules avec des moyens spécialement adaptés pour obtenir ou activer un mouvement de circulation des particules à l'intérieur du lit ou pour remettre en circulation les particules entraînées à l'extérieur du lit les particules étant entraînées vers une section, p. ex. une section d'échange de chaleur ou une conduite de retour, au moins partiellement séparée de la zone de combustion, avant d'être réintroduites dans la zone de combustion caractérisés par l'agencement de l'appareil de séparation, p. ex. des cyclones, pour séparer les particules des gaz de fumée l'appareil de séparation étant situé à l'extérieur de la chambre de combustion
F28F 9/22 - Dispositions pour diriger les sources de potentiel calorifique dans des compartiments successifs, p. ex. aménagement des plaques de guidage
52.
Method and a system for adjusting PH of green liquor dregs
The specification relates to a method and a system for adjusting pH of green liquor dregs. The method comprises contacting a slurry containing green liquor dregs (100, 200, 300, 400, 500) with flue gas (101, 201, 301, 401, 501). The system comprises a recovery boiler (105) configured to burn black liquor to produce smelt, a smelt dissolving tank (107) configured to dissolve the smelt to produce green liquor comprising green liquor dregs, and a green liquor clarifier/filter (103) and/or a dregs filter (104) configured to separate a slurry containing green liquor dregs (100, 200, 300, 400, 500) from the green liquor. The system further comprises a vessel (102, 202, 302, 402) configured to receive a slurry containing green liquor dregs (100, 200, 300, 400, 500) and a gas inlet (210, 310, 410, 510) configured to convey flue gas (101, 201, 301, 401, 501) to be contacted with the slurry containing green liquor dregs (100, 200, 300, 400, 500).
The invention relates to a production line for producing a fiber web (W), which production line (200) comprises a forming section (210) comprising at least one headbox (M10; M20; M30) and a forming unit (220) comprising at least one wire (10; 20; 30) and at least one water removal means (11, 15, 16, 17, 21, 25, 31, 35, 56), and which production line (200) comprises a sizing section (250) comprising a sizer with a sizing nip formed between two sizing rolls (75). The production line (200) comprises at least one application device (C10; C20; C30; C50) located in the forming unit (220) and configured to apply sizing agent in form of foam for inner part sizing of the fiber web (W) and the sizer located in the sizing section (250) comprises at least one application device (C75) is configured to apply sizing agent for surface sizing of the fiber web (W).
D21F 9/00 - Machines complètes pour la fabrication de feuilles de papier
D21F 11/04 - Procédés de fabrication de longueurs continues de papier ou de carton, ou de nappe humide pour la production de panneaux de fibres, sur des machines à papier du type Fourdrinier papier ou carton composé de plusieurs couches
a) in a depth direction of the belt. The invention further relates to a use of a belt. The invention further relates to an arrangement comprising a belt and a sleeve roll.
A brake is provided for an idler roll (10) of a fiber web machine, in particular of a slitter-winder, which idler roll (10) has an outer shell surface (13). The brake (20) is located outside the outer shell surface (13) of the idler roll (10) in close vicinity of the idler roll (10) in a non-contacting position. The brake (20) has a permanent magnet (25), which is configured to be moved from non-braking position to a braking position and vice versa by an actuator or cylinder (35, 45).
A fabric for a paper or pulp technology has a longitudinal direction (MD) and a cross direction (CMD), and a first surface (FS) and a second surface (SS) in a fabric thickness direction (TD). The fabric (1) extends in the cross direction (CMD) from a first edge (FG) to a second edge (SG). The fabric (1) has an adaptable medium comprising at least one sensor. The adaptable medium is a deformable structure that adapts to the fabric where it is inserted and may be a string or a sheet configured to detect temperature, temperature profile, wear, volatile organic compounds (VOC), humidity, pH, microbial level, organic and inorganic material content, dirt content, flow rate and flow velocity field, or pressure in a nip. The invention also relates to a method for manufacturing a fabric for a paper or pulp technology.
The invention relates to a method of processing recycled textile fibers, in which method recycled textile fiber suspension comprising synthetic fibers and non-synthetic fibers, in particular cotton fibers, is processed. In the method the recycled textile fiber suspension is treated in a flotation stage configured to be executed in at least one flotation cell (14) for removing the synthetic fibers from the recycled textile fiber suspension having a fiber feed consistency of non-synthetic fibers 0,05-1,5%. The invention also relates to a process system of processing recycled textile fibers comprising synthetic fibers and non-synthetic fibers in a recycled textile fiber suspension, in particular cotton fibers. The process system (10) comprises at least one flotation cell (14) for removing synthetic fibers from the recycled textile fiber suspension having a fiber feed consistency of non-synthetic fibers 0,05-1,5%.
The invention relates to a fiber web production line (50), which comprises a dry end (55), which comprises a drying section (14) and/or a sizer and/or a calender (15) and/or a coating section (16) and/or a reel-up 18 and/or a slitter- winder and/or a slabbing station/-s (25). The fiber web production line (50) further comprises a cellulose insulation material production section (30) functionally connected to the dry end (55) of the fiber web production line (50) and configured to produce cellulose insulation material from broke fiber web generated in and received from the dry end (55) of the fiber web production line (50).
An assembly comprising an annular hub with a hub inner surface and a hub outer surface and a rotary third refining member having a central opening within a refining member inner surface. The refining member has at least two equally spaced apart member portions extending radially inwardly from the member inner surface, and the assembly includes a key for connecting the member portions to the hub. The assembly also include an annular cover plate with at least two radially extending spaced apart flanges, each flange overlying a member portion, and at least two spaced apart port plates, each port plate overlying a member portion side opposite the annular cover plate, the spaces between the at least two port plates defining ports from a first stock flow path to a second stock flow path.
A method for heating a heat exchange medium in a fluidized bed boiler (100), the method comprising burning first fuel (165) in a first furnace (162) of the fluidized bed boiler (100) to produce first flue gas (163); recovering heat from the first flue gas (163) to a heat exchange medium using a first heat exchanger (310); conveying the heat exchange medium from the first heat exchanger (310) to a second heat exchanger (320), of which at least a part is arranged in contact with a fluidized bed of the fluidized bed boiler (100); burning second fuel (175) in a second furnace (172) of the fluidized bed boiler (100) to produce second flue gas (173); conveying the heat exchange medium from the second heat exchanger (320) to a third heat exchanger (330); and recovering heat from the second flue gas (173) to the heat exchange medium using the third heat exchanger (330). A fluidized bed boiler (100) for performing the method. A loopseal heat exchanger (400) that is, when installed in a loopseal of a circulating fluidized bed boiler, configured to burn second fuel (175) in a second furnace (172) of the loopseal heat exchanger (400) to produce second flue gas (173); convey the heat exchange medium from the second heat exchanger (320) to a third heat exchanger (330); and recover heat from the second flue gas (173) to the heat exchange medium using the third heat exchanger (330).
F22B 31/04 - Production de la chaleur par une installation comportant plusieurs appareils à combustion, p. ex. comportant des appareils à combustion distincts respectivement pour la chaudière et le surchauffeur
F22B 31/00 - Modifications de la structure de la chaudière ou des systèmes de tubes, dépendant de l'installation d'un appareil à combustionAménagements ou dispositions des appareils à combustion
An assembly comprising an annular hub with a hub inner surface and a hub outer surface and a rotary third refining member having a central opening within a refining member inner surface. The refining member has at least two equally spaced apart member portions extending radially inwardly from the member inner surface, and the assembly includes a key for connecting the member portions to the hub. The assembly also include an annular cover plate with at least two radially extending spaced apart flanges, each flange overlying a member portion, and at least two spaced apart port plates, each port plate overlying a member portion side opposite the annular cover plate, the spaces between the at least two port plates defining ports from a first stock flow path to a second stock flow path.
A ragger (4) for a removal of reject from a pulper (2) in a pulping system (1) has a drawing roll (5) which draws the reject from the pulper (2) in the form of a ragger rope (3). The drawing roll (5) has a drive shaft (6) to which a pulley (7) is mounted and over which the ragger rope passes to a cutter. At least one measuring instrument (14) is mounted with respect to the ragger to measure the quantity and direction of the force applied to the drawing roll by the ragger rope (3) as it is drawn out of the pulper (2). The ragger is part of a pulping system (1) having a pulper (2) for preparation of a fiber pulp suspension and a method for controlling reject handling in the pulping system (1) is provided.
A processing plate (4, 12) for mechanically processing pulp. The plate has projecting parts (6, 7, 14, 15). The projecting parts (7, 15) have a radially inner part (28) having an inclined ascending wall (29) towards the outer periphery (23) of the plate and a radially outer part (30) having an inclined descending wall (31) towards the outer periphery (23) of the plate (4, 12). The inner and outer parts (28, 30) are radially coupled to each other by a ridge (32) along a coupling line (CL). The walls (29, 31) are mutually connected only partly so that they have in common only a crest section (40) of the ridge (32) which crest section (40) is less than a width of at least one of the wall (29) of the inner part (28) and the wall (31) of the outer part (30) at the coupling line (CL).
A support element for supporting at least one horizontal heat exchanger tube (28). The support element (42) is mounted on a vertical support tube (30) and comprises a main body (44) including a hollow interior extending through the main body and surrounding the vertical support tube (30) passing through the hollow interior, and at least one supporting arm (46) extends outwardly from the main body (44). Each supporting arm (46) supports at least one heat exchanger tube (28). A system including the support element and the vertical support tube (30) for supporting horizontal heat exchanger tubes (28), the system being applied in a flue gas passage (60) of a boiler including a heat exchanger (20). A method in the flue gas passage (60) includes rotating the support element and moving the heat exchanger from the flue gas passage.
F28F 9/013 - Supports auxiliaires pour les éléments pour les tubes ou les assemblages de tubes
F22B 37/20 - Dispositifs de support, p. ex. pour la fixation des faisceaux de tubes d'eau
F22B 37/24 - Dispositifs de support, de suspension ou de montage, p. ex. faisant écran à la chaleur
F16L 3/22 - Supports pour tuyaux, pour câbles ou pour conduits de protection, p. ex. potences, pattes de fixation, attaches, brides, colliers spécialement adaptés pour supporter un certain nombre de tuyaux parallèles séparés par un espace
65.
A CHEMICAL RECOVERY BOILER AND A METHOD FOR CONTROLLING A CHEMICAL RECOVERY BOILER
A method for controlling a chemical recovery boiler (100). The method comprises treating spent liquor (102) in a furnace (105) of the chemical recovery boiler (100) to form a char bed (130) into the furnace, conveying smelt (140) from the char bed through a smelt spout (145) to a dissolving tank (150) comprising aqueous solution (152), and shattering the smelt above a surface (155) of the aqueous solution by shattering fluid (170). The method further comprises measuring optically a first parameter indicative of at least one of [A] a flow of the smelt (140) through the smelt spout (145) and [B] shattering of the smelt (140); and based on a value of the first parameter, controlling a flow of the shattering fluid (170). A chemical recovery boiler (100) suitable for performing out the method.
F23G 7/04 - Procédés ou appareils, p. ex. incinérateurs, spécialement adaptés à la combustion de déchets particuliers ou de combustibles pauvres, p. ex. des produits chimiques de liqueurs résiduelles, p. ex. de liqueurs au sulfite
F27D 3/14 - Chargement ou déchargement d'un matériau liquide ou fondu
66.
Device for determining and storing eccentricity of customer roll within a slitter winder and using for unwinding control
A measuring device is releasably received within a winding core of a customer roll wound on a slitter-winder (10). The measuring device (20) is releasably fastened within the winding core by fastening element(s) (21) securing the device to the winding core (10) for rotation during winding of the fiber web around the winding core to form the customer roll. Eccentricity of the customer roll as it is wound is determined from movement, speed and/or acceleration data received from at least two sensors of the measuring device and data is stored for use in unwinding the fiber web from the customer roll and serving as control information. Tension variations in unwinding can thus be anticipated and premeditative steps taken to ensure smooth running of the fiber web in unwinding in further processing.
B26D 7/27 - Moyens pour exécuter d'autres opérations en combinaison avec la coupe
B26D 1/24 - Coupe d'une pièce caractérisée par la nature ou par le mouvement de l'élément coupantAppareils ou machines à cet effetÉléments coupants à cet effet comportant un élément qui ne suit pas le mouvement de la pièce ayant un élément coupant se déplaçant autour d'un axe avec un élément circulaire, p. ex. un disque coopérant avec un autre disque coupant
B65H 18/14 - Mécanismes d'enroulage des bandes dans lesquels l'énergie est appliquée à la bobine, p. ex. pour faire avancer la bande d'un mouvement continu
B65H 23/195 - Positionnement, tension, suppression des à-coups ou guidage des bandes longitudinal en commandant ou régulant le mécanisme d'avance de la bande, p. ex. le mécanisme agissant sur la bande courante dans les mécanismes d'enroulage ou en liaison avec les opérations d'enroulement
67.
SYSTEM COMPRISING TWO SCRUBBERS CONNECTED TO AN ELECTROSTATIC PRECIPITATOR AND A METHOD FOR PURIFYING EXHAUST GAS USING IT
A method for cleaning at least first exhaust gas (EG1) and second exhaust gas (EG1). The method comprising scrubbing the first and second exhaust gases (EG1, EG2) in a first and a second scrubber (710, 720) to produce scrubbed first and second exhaust gases (SEG1, SEG2); and conveying at least part of the scrubbed first and second exhaust gases (SEG1, SEG2) to an electrostatic precipitator (100). The method further comprises cleaning one or both of the at least part of the scrubbed first exhaust gas (SEG1) and the at least part of the scrubbed second exhaust gas (SEG2) in the electrostatic precipitator (100) to produce clean exhaust gas (CEG). A system for the carrying out the method.
B01D 53/14 - Séparation de gaz ou de vapeursRécupération de vapeurs de solvants volatils dans les gazÉpuration chimique ou biologique des gaz résiduaires, p. ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par absorption
B01D 49/00 - Séparation de particules dispersées dans l'air, des gaz ou des vapeurs par d'autres méthodes
68.
A SYSTEM AND A METHOD FOR PRODUCING CATALYTICALLY TREATED PYROLYTIC VAPOR
A system for producing catalytically treated pyrolytic vapor.The system comprises a pyrolysis reactor (100) configured to produce pyrolytic vapor and a catalytic reactor (200) limiting abed area (B) into which a fluidized catalyst bed is configured to form in use. The catalytic reactor (200) comprises a static mixer (300) configured to spread the particulate catalyst within the bed area (B). Thus, the catalytic reactor (200) is configured to produce a mixture of the particulate catalyst and the catalytically treated pyrolytic vapor from the pyrolytic vapor. A method for producing catalytically treated pyrolytic vapor. The method comprises producing pyrolytic vapor and allowing at least a clean part of the pyrolytic vapor to chemically react in the presence of the particulate catalyst to produce a mixture of the particulate catalyst and catalytically treated pyrolytic vapor. The method comprises mixing, in the bed area, the pyrolytic vapor and the particulate catalyst with a static mixer.
C10B 53/02 - Distillation destructive spécialement conçue pour des matières premières solides particulières ou sous forme spéciale de matières contenant de la cellulose
C10B 49/22 - Distillation destructive des matières carbonées solides par chauffage direct au moyen d'agents porteurs de chaleur, y compris la combustion partielle de la matière à traiter avec des porteurs de chaleur solides, mobiles, sous forme divisée sous forme dispersée selon la technique du "lit fluidisé"
C10G 3/00 - Production de mélanges liquides d'hydrocarbures à partir de matières organiques contenant de l'oxygène, p. ex. huiles, acides gras
A blade segment (4, 8) for a refiner (1) for refining fibrous material. The blade segment comprises a first (20) and a second (21) end edge and a first (22) and a second (23) side edge opposite to the first side edge (22) and a refining surface (5, 9) comprising blade bars (27, 27a, 27b) and blade grooves (28, 28a, 28b) therebetween on a front surface (25) of the blade segment. The blade segment further comprises at least one opening (14, 15) at least at one side edge (22, 23), the opening extending through a whole thickness of a blade segment body (24), as well as at least one feed groove (29) on the refining surface, the feed groove (29) extending from the opening and crossing the blade bars and the blade grooves for feeding the material to be refined across the refining surface. The blade bars (27, 27a, 27b) of the blade segment are inter-laced at the feed groove.
A blade segment (4, 4a, 4b, 8, 8a, 8b) for a refiner (1) for refining fibrous material. The segment comprises a first (20) and a second (21) end edge and a first (22) and a second (23) side edge, the first (22) and second (23) side edges extending between the first (20) and second (21) end edges. The segment further comprises a refining surface (5, 9) comprising blade bars (27) and blade grooves (28) on a front surface (25) of the segment and at least one opening (14, 15) at the side edge (22, 23), which opening extends through a whole thickness of a segment body (24) and towards to the opposite side edge (22, 23). On a side of a background surface (26) of the segment there is a height difference between the background surface (26) at the first side edge and the back-ground surface (26) at the second side edge at least at the opening of the segment.
An industrial textile (6) for manufacturing a fibrous web has first machine direction yarns (1) on the front side (7) which bind to first cross-machine direction yarns (4) in a first pattern, while second machine direction yarns (2) on the back side bind to second cross-machine direction yarns (5) in a second pattern. Third machine direction yarns (3) bind to the first cross-machine direction yarns (4) and the second cross-machine direction yarns (5) in a third pattern. The third pattern has at least one interlacing point (71) on the front side where one of the third machine direction yarns (3) passes over one of the first cross-machine direction yarns (4) and at least one interlacing point (72) on the back side (8) where the same third machine direction yarn (3) passes under one of the second cross-machine direction yarns (5).
D03D 13/00 - Tissus caractérisés par la disposition particulière des fils de chaîne ou de trame, p. ex. avec fils de trame incurvés, avec fils de chaîne discontinus, avec fils de chaîne ou de trame en diagonale
D21F 1/00 - Partie humide des machines à fabriquer des feuilles continues de papier
A blade segment (4, 8) for a refiner (1) for refining fibrous material. The blade segment (4, 8) comprises a first (20) and a second (21) end edge opposite to the first end edge in a direction of a longitudinal axis(LA) of the blade segment (4, 4a, 4b, 8, 8a, 8b), a first (22) and a second (23) side edge opposite to the first side edge, the first side edge and the second side edge extending between the first end edge and the second end edge, and a refining surface (5, 9) comprising blade bars (26) and blade grooves (27) therebetween on a front surface (25) of the blade segment (4, 8). At least one side edge (22, 23) comprises at least two edge portions (31, 33, 35, 41, 43, 45) arranged to deviate from the direction of the longitudinal axis (LA) of the blade segment (4, 4a, 4b, 8, 8a, 8b) and being connected by an elbow (32, 34, 42, 44) between each two edge portions (31, 33, 35, 41, 43, 45).
A circulating fluidized bed boiler, comprising a furnace, a loopseal, and a loopseal heat exchanger arranged in the loopseal. The loopseal heat exchanger comprises at least an inlet chamber, a bypass chamber, and a first heat exchange chamber, heat exchanger pipes arranged in the first heat exchange chamber, and a primary particle outlet for letting out bed material from the first heat exchange chamber. The primary particle outlet has at least a first part and a second part separated from each other by a barrier element in such a way that the first part of the primary particle outlet has a first height and a first width, wherein a ratio of the first height to the first width is less than 0.5 or more than 2. Use of the circulating fluidized bed boiler such that fluidizing gas and bed material are let out from the first heat exchange chamber via the primary particle outlet.
F22B 31/00 - Modifications de la structure de la chaudière ou des systèmes de tubes, dépendant de l'installation d'un appareil à combustionAménagements ou dispositions des appareils à combustion
F23C 10/06 - Appareils dans lesquels la combustion a lieu dans un lit fluidisé de combustible ou d'autres particules avec des moyens spécialement adaptés pour obtenir ou activer un mouvement de circulation des particules à l'intérieur du lit ou pour remettre en circulation les particules entraînées à l'extérieur du lit les particules étant entraînées vers une section, p. ex. une section d'échange de chaleur ou une conduite de retour, au moins partiellement séparée de la zone de combustion, avant d'être réintroduites dans la zone de combustion le mouvement de circulation étant activé en induisant différents degrés de fluidisation en différents endroits du lit
F23C 10/10 - Appareils dans lesquels la combustion a lieu dans un lit fluidisé de combustible ou d'autres particules avec des moyens spécialement adaptés pour obtenir ou activer un mouvement de circulation des particules à l'intérieur du lit ou pour remettre en circulation les particules entraînées à l'extérieur du lit les particules étant entraînées vers une section, p. ex. une section d'échange de chaleur ou une conduite de retour, au moins partiellement séparée de la zone de combustion, avant d'être réintroduites dans la zone de combustion caractérisés par l'agencement de l'appareil de séparation, p. ex. des cyclones, pour séparer les particules des gaz de fumée l'appareil de séparation étant situé à l'extérieur de la chambre de combustion
F23C 10/20 - Entrées pour l'air de fluidisation, p. ex. grillesSoles
F23C 10/28 - Dispositifs de commande spécialement adaptés aux appareils de combustion à lit fluidisé
74.
A METHOD FOR REMOVING AMMONIA FROM NON-CONDENSABLE GASES OF A PULP MILL
A leaf filter bag for a leaf (110) of a pressure leaf filter (100) has a first sheet portion (50), adjacent to a second sheet portion (60). The first sheet portion (50) is connected to the second sheet portion (60) at a first edge (10), a second edge (20) and a third edge (30). Forth edges of the sheet portions define an openable and closable edge (40) which has an open position and a closed position, which allows inserting a frame (122) of the leaf (110) into the leaf filter bag (1) through an opening formed by the openable and closable edge (40) in the open position. A zipper (42) closure (41) is provided at the openable and closable edge (40), and a further hook-and-loop fastener closure may be provided.
a) arranged to a second direction (D2) of the belt which is parallel or substantially parallel to a travel direction of the belt, and/or perpendicular or substantially perpendicular to the first direction (D1). The belt (10) is configured to stretch elastically more in the second direction (D2) than in the first direction (D1) so that it will return to its original length after forces stretching the belt have been removed. This invention further relates to an arrangement including a belt and a sleeve roll. This invention further relates to a use of a belt.
c) to use the water in a scrubbing liquid of the first scrubber. The method also comprises providing flue gas containing chlorides into the first scrubber (102, 202, 302, 402, 502, 602, 702) and scrubbing the flue gas containing chlorides with the scrubbing liquid by contacting the flue gas with the scrubbing liquid in the first scrubber (102, 202, 302, 402, 502, 602, 702). Dilute hydrochloric acid and a flue gas derivate (104, 204, 304, 404, 504, 704) are produced. The method comprises letting out at least some of the dilute hydrochloric acid from the first scrubber (102, 202, 302, 402, 502, 602, 702) as a scrubber bleed, separating solids suspended by the scrubber bleed in a solids separator (192, 592, 692), conveying the scrubber bleed from the solids separator (192, 592, 692) into an evaporation vessel (194, 594, 694) and concentrating the scrubber bleed in the evaporation vessel (194, 594, 694) to produce hydrochloric acid vapor having a concentration of 5-22 wt-%. A corresponding system is also provided.
F23J 15/04 - Aménagement des dispositifs de traitement de fumées ou de vapeurs des purificateurs, p. ex. pour enlever les matériaux nocifs utilisant des fluides de lavage
B01D 53/14 - Séparation de gaz ou de vapeursRécupération de vapeurs de solvants volatils dans les gazÉpuration chimique ou biologique des gaz résiduaires, p. ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par absorption
78.
METHOD AND SYSTEM FOR PRODUCING RECYCLED FIBERS FOR MDF OR HDF PRODUCTION
A method for producing recycled fibers from MDF or HDF containing material, for instance for use in MDF or HDF production. The method comprises steaming (2) the MDF or HDF containing material for a predetermined time to obtain steamed material, subjecting the steamed material to a pulping process (3) to obtain a slurry, screening (4a, 4b) the slurry to remove oversize particles to obtain a screened slurry, dewatering (5) the screened slurry to obtain dewatered fibers and refining or fluffing (6) the dewatered fibers to obtain said recycled fibers. A method for producing MDF or HDF boards using such recycled fibers is also provided. Corresponding systems for producing recycled fibers and producing MDF or HDF boards are also provided.
D21C 1/02 - Traitement préalable des matériaux finement divisés avant la cuisson avec l'eau ou la vapeur
D21B 1/12 - Matières premières fibreuses ou leur traitement mécanique par division des matières premières en petites particules, p. ex. fibres par procédés humidesMatières premières fibreuses ou leur traitement mécanique par division des matières premières en petites particules, p. ex. fibres par l'emploi de vapeur
A blade element (4, 8) for a refiner (1) for refining fibrous material and a refiner (1) for refining fibrous material. The blade element (4, 8) comprises a first end edge (18) to be directed towards a feed of the fibrous material to be refined and a second end edge (19) to be directed towards a discharge of the refined fibrous material and a refining surface (5, 9) comprising blade bars (16) and blade grooves (17) therebetween. The refining surface (5, 9) comprises at least one equalizing pocket (23) extending along the refining surface (5, 9) of the blade element (4, 8) and crossing a number of the blade bars (16) and a number of the blade grooves (17) for equalizing flow of the fibrous material along the refining surface (5, 9).
B30B 9/24 - Presses spécialement adaptées à des fins particulières pour exprimer les liquides des substances les contenant, p. ex. le jus des fruits, les huiles des oléagineux utilisant une bande sans fin comme organe de pression
A support assembly (40) for supporting the furnace (22) of a boiler (10) to a support frame (12) of the boiler. The support assembly comprises a first and second assembly parts (56, 8). The first assembly part (56) attaches a pipe (18), f.ex. a downcomer, to a supporting beam (32, 88). The second assembly part (58) attaches the same pipe (18) to another supporting beam (30, 86). The support assembly (40) may be obliquely positioned. Alternatively, the support frame further comprises an oblique, connecting supporting beam (84) that connects the first and second assembly parts. In this case, the first and second assembly parts attach the pipe to the connecting supporting beam (84). The first and second assembly parts define first and second points of support (52, 4) that transmit loads. The first or second assembly part may be a hanger rod. A boiler plant comprises the above-mentioned boiler, support frame for the boiler and support assembly.
A coaxial heat transfer tube (100), comprising a first inner heat transfer tube (110) having straight parts (111, 113, 115, 117) and curved parts (112, 114, 116), a first outer heat transfer tube (120) having straight parts (121, 123, 125, 127) and curved parts (122, 124, 126). The first outer heat transfer tube (120) radially surrounds the first inner heat transfer tube (110) at least within the first primary straight part (121) and the first primary curved part (122). Thermally insulating material (530) has been provided in between a curved part (122) of the first outer heat transfer tube (120) and a curved part (112) of the first inner heat transfer tube (110). Neither straight part (121) nor a curved part (122) of the first outer heat transfer tube (120) comprises a longitudinal seam. A method for making a coaxial heat transfer tube (100).
F16L 59/22 - Dispositions spécialement adaptées aux nécessités localisées telles qu'à l'endroit des brides, des jonctions, des soupapes ou d'autres éléments similaires adaptées aux coudes
F28D 1/047 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source de potentiel calorifique est une grande masse de fluide, p. ex. radiateurs domestiques ou de moteur de voiture avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires les canalisations étant courbées, p. ex. en serpentin ou en zigzag
A heat exchanger having a first heat transfer tube with a first primary straight part and a first secondary straight part is provided. The heat exchanger includes a first primary bond part and a first secondary bond part. The first primary bond part is welded to the first secondary bond part to form a first primary bond that bonds the first primary straight part and the first secondary straight part of the first heat transfer tube. The first primary bond limits a first primary aperture and a first secondary aperture formed by the holes of the bond parts, wherein the straight parts of the first heat transfer tube extend through the first primary bond via the apertures.
F28F 9/013 - Supports auxiliaires pour les éléments pour les tubes ou les assemblages de tubes
F28D 1/047 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source de potentiel calorifique est une grande masse de fluide, p. ex. radiateurs domestiques ou de moteur de voiture avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires les canalisations étant courbées, p. ex. en serpentin ou en zigzag
F28F 9/26 - Dispositions pour raccorder des sections différentes des éléments d'échangeurs de chaleur, p. ex. de radiateur
F22B 37/20 - Dispositifs de support, p. ex. pour la fixation des faisceaux de tubes d'eau
−) from a liquor (300) of a pulp mill process, the method comprising pumping the liquor (300) to an injector arrangement (710) using a pump arrangement (720) such that the pumping of the liquor (300) through a jet nozzle (115) generates suction at a gas inlet (130), whereby reagent gas (310) is mixed with the liquor (300), and letting out the treated liquor (300) from the injector arrangement (710) to a vessel (200). In this way, the liquor (300) is treated to form at least partly treated liquor (300). A corresponding use of an injector arrangement. A system for performing the method.
D21C 11/04 - Régénération des liqueurs noires de lessive alcaline
F04F 5/42 - Pompes à jet, p. ex. dispositifs dans lesquels le flux est produit par la chute de pression causée par la vitesse d'un autre fluide caractérisées par le fait que le flux d'entrée du fluide inducteur est radial ou tangentiel par rapport au flux de sortie
85.
Method of and an arrangement for adding at least one additional stock component to an approach flow system of a fiber web machine
A method of and an arrangement for adding at least one additional stock component to an approach flow system (30) of a fiber web machine by mixing the at least one additional stock component to a fibrous stock such that the stock flow is equalized (50) and the at least one additional stock component is introduced to the stock flow by injection mixing (80).
An arrangement and a method for adjusting a blade gap in a refiner. The arrangement comprises at least one loading device arrangeable to move at least one refining element of the refiner in respect of at least one another refining element of the refiner for adjusting the blade gap between the refining elements, at least one vibration measuring device for measuring a vibration of the refiner in operation, and at least one control unit configurable to adjust the blade gap between the refining elements by controlling the at least one loading device to move the at least one refining element in respect of the at least one another refining element based on the measured vibration of the refiner.
A method for burning primary fuel (F1), wherein the primary fuel (F1) comprises at least a first compound containing nitrogen and a second compound comprising sulfur. The method comprises producing primary combustion gas (G1) having a temperature of at least 450° C. and comprising oxygen; feeding the primary fuel (F1) and the primary combustion gas (G1) to a primary process zone (Z1) of a furnace (200); feeding tertiary combustion gas (G3) to a secondary process zone (Z2) of the furnace (200); letting the primary fuel (F1), the primary combustion gas (G1), and/or their reaction products to move from the primary process zone (Z1) via the secondary process zone (Z2) to a tertiary process zone (Z3) of the furnace (200); and feeding quaternary combustion gas (G4) comprising oxygen to the tertiary process zone (Z3) of the furnace (200). An embodiment comprises collecting the primary fuel (F1) from a pulp process. A corresponding system.
F23C 6/04 - Appareils à combustion caractérisés par la combinaison d'au moins deux chambres de combustion disposées en série
F23C 7/06 - Amenées d'air ne traversant pas le brûleur pour le réchauffage de l'air entrant
F23G 7/06 - Procédés ou appareils, p. ex. incinérateurs, spécialement adaptés à la combustion de déchets particuliers ou de combustibles pauvres, p. ex. des produits chimiques de gaz d'évacuation ou de gaz nocifs, p. ex. de gaz d'échappement
A scrubber for exhaust gas cleaning onboard a marine vessel, comprising a scrubber shell (12) forming a scrubber chamber; and a tubular pipe (18) running through the scrubber shell for feeding scrubber liquid into the scrubber chamber; a concave bowl (32) for connecting the tubular pipe to the scrubber shell, the concave bowl having the shape of a solid of revolution, and the shape curving smoothly from the rim (46) of the concave bowl to the bottom (48) of the concave bowl. The tubular pipe runs through the bottom of the concave bowl in such a way that the bottom encircles the tubular pipe, and the tubular pipe and the bottom are connected to each other. The concave bowl is placed in an opening (34) in the scrubber shell in such a way that the scrubber shell encircles the rim of the concave bowl, and the scrubber shell and the rim are connected to each other.
F01N 3/04 - Silencieux ou dispositifs d'échappement comportant des moyens pour purifier, rendre inoffensifs ou traiter les gaz d'échappement pour refroidir ou pour enlever les constituants solides des gaz d'échappement au moyen de liquides
The invention relates to a method for producing an oil rich fraction (OF) from primary feedstock (FS) that comprises water, first salt, second salt, and biomass. The feedstock (FS) is provided to a first reaction zone (Z1) of a conversion reactor (100), where it is allowed to react at a temperature of at least 350 °C in a pressure of at least 160 bar to form converted primary feedstock. The method comprises separating from the converted primary feedstock a first salt rich fraction (SF1), a second salt rich fraction (SF2), and an oil rich fraction (OF). The method comprises withdrawing the oil rich fraction (OF) from the first reaction zone (Z1) and withdrawing the first salt rich fraction (SF1) and the second salt rich fraction (SF2) from the conversion reactor (100). In the method the first salt rich fraction (SF1) comprises at least some of the first salt dissolved in the water, the second salt rich fraction (SF2) comprises at least some of the second salt in solid form, and at least one of the first salt and the second salt is a salt capable of catalysing the reaction of the biomass of the primary feedstock (FS) with the water of the primary feedstock (FS) to produce the oil rich fraction (OF). A device for the same.
C11B 1/10 - Production des graisses ou huiles à partir de matières premières par extraction
C11B 3/02 - Raffinage des graisses ou huiles par réaction chimique
C11B 13/00 - Obtention de graisses, huiles ou acides gras à partir de résidus
C11B 13/02 - Obtention de graisses, huiles ou acides gras à partir de résidus des résidus de savonnerie
C11C 1/00 - Préparation des acides gras à partir de graisses, huiles ou ciresRaffinage des acides gras
C11C 1/02 - Préparation des acides gras à partir de graisses, huiles ou ciresRaffinage des acides gras à partir de graisses ou huiles
C11C 1/04 - Préparation des acides gras à partir de graisses, huiles ou ciresRaffinage des acides gras à partir de graisses ou huiles par hydrolyse
B01J 3/00 - Procédés utilisant une pression supérieure ou inférieure à la pression atmosphérique pour obtenir des modifications chimiques ou physiques de la matièreAppareils à cet effet
90.
Base fabric, press felt and method of forming base fabric with seam
The invention relates to a base fabric of a press felt. The base fabric comprises end regions which are provided with seam loops (4). The seam loops are slanted. Further, the invention relates to a press felt and a method of forming the same.
The invention relates to a roll for use in a manufacture of a fibrous web comprising cellulosic fibres. The roll comprises a roll body with a cylindrical surface, and a roll cover, which is arranged to cover the cylindrical surface of the roll body, the cover comprising a functional layer, which comprises a polymer matrix and filler particles and/or reinforcing fibres embedded in the polymer matrix. At least one functional layer constituent selected from filler particles, reinforcing fibres, and polymer matrix comprises material originating from recycled raw material(s).
A dryer fabric has a weft of cross machine direction yarns (6) and a first warp of first machine direction yarns (5) and a second warp of second machine direction yarns (9). The yarns of the first warp are arranged above the yarns of the second warp on a first surface (FS) side. The first warp has primary yarns (51) of PPS or PK yarns whose breaking load remains substantially stable within 15 days in conditions where RH=100%, T=125° C. and p=2.3 bar; and secondary yarns (52) of PET with breaking loads which substantially decrease under the same conditions. At least every second yarn of the first warp is a secondary yarn (52). The secondary yarns (52) may be two out of three or three out of four of the first machine direction yarns (5). PET reduces cost and adds elasticity to the dryer fabric.
D21F 1/00 - Partie humide des machines à fabriquer des feuilles continues de papier
D03D 15/00 - Tissus caractérisés par la matière, la structure ou les propriétés des fibres, des filaments, des filés, des fils ou des autres éléments utilisés en chaîne ou en trame
D03D 1/00 - Tissus conçus pour faire des articles particuliers
93.
A FABRIC FOR A PAPER OR PULP TECHNOLOGY AND A METHOD FOR MANUFACTURING A FABRIC FOR A PAPER OR PULP TECHNOLOGY
The present invention relates to a fabric for a paper or pulp technology. The fabric has a longitudinal direction (MD) and a cross direction (CMD) and a first surface (FS) and a second surface (SS) in a thickness direction (TD) of the fabric (1). The fabric (1) extends in the cross direction (CMD) from a first edge (FG) to a second edge (SG). The fabric (1) comprises an adaptable medium comprising at least one sensor. The invention also relates to a method for manufacturing a fabric for a paper or pulp technology.
A blade element pair (20) for a refiner (1, 2, 3) is intended for refining fibrous material. Each blade element (5, 5′, 8, 8′) of the blade element pair (20) has a refining surface (6, 9) with blade bars (16, 18) and blade grooves (17, 19) extending along the blade element (5, 5′, 8, 8′), and openings (14,15) extending through the blade element (5, 5′, 8, 8′). The openings (14, 15) in one of the blade elements (5, 5′, 8, 8′) is at different axial (A) or radial (R) positions from the openings (14,15) in the other blade element (5, 5′, 8, 8′) when the blade elements (5, 5′, 8, 8′) of the blade element pair (20) are set substantially opposite to each other.
The specification relates to a method and a system for adjusting pH of green liquor dregs. The method comprises contacting a slurry containing green liquor dregs (100, 200, 300, 400, 500) with flue gas (101, 201, 301, 401, 501). The system comprises a recovery boiler (105) configured to burn black liquor to produce smelt, a smelt dissolving tank (107) configured to dissolve the smelt to produce green liquor comprising green liquor dregs, and a green liquor clarifier/filter (103) and/or a dregs filter (104) configured to separate a slurry containing green liquor dregs (100, 200, 300, 400, 500) from the green liquor. The system further comprises a vessel (102, 202, 302, 402) configured to receive a slurry containing green liquor dregs (100, 200, 300, 400, 500) and a gas inlet (210, 310, 410, 510) configured to convey flue gas (101, 201, 301, 401, 501) to be contacted with the slurry containing green liquor dregs (100, 200, 300, 400, 500).
The invention relates to a roll for use in a manufacture of a fibrous web, which comprises cellulosic fibers. The roll comprises a roll body with a cylindrical surface, and a roll cover, which is arranged to cover the cylindrical surface of the roll body. The cover has a functional layer, which has a polymer matrix and reinforcing material in the form of functional particles and/or functional fibers embedded in the polymer matrix. The functional particles and/or functional fibers has nanocellulose material. The invention relates also to the use of the roll.
A method of and an arrangement for adding a chemical to an approach flow system of a fiber web machine by mixing of a retention chemical to a fibrous stock flowing in an approach flow system of a fiber web machine by a mixer (200) between the attenuator (16) and the headbox (18).
The invention relates to a method for forming a three-layer board web, preferably a folding box board (FBB) or a solid bleached (sulfate) board (SBS), in a forming section (300) comprising a multilayer headbox (100) and a forming unit (200). In the method the layers of the three-layer board web are first formed of pulp suspension in the multilayer headbox (100) and fed to only one forming unit (200), a gap former where the pulp suspension from the multilayer headbox is fed to a gap between lower and upper wires for water removal and for joining the layers of the three-layer board web and where water is first removed by a non-pulsating forming shoe (37, 39).
D21F 11/04 - Procédés de fabrication de longueurs continues de papier ou de carton, ou de nappe humide pour la production de panneaux de fibres, sur des machines à papier du type Fourdrinier papier ou carton composé de plusieurs couches
D21F 9/00 - Machines complètes pour la fabrication de feuilles de papier
D21F 9/02 - Machines complètes pour la fabrication de feuilles de papier du type Fourdrinier
d) for fastening the belt installation device (1) removably to a belt, and a central area (8) between the first area (4) and the second area (6), wherein a pull strength of the attaching point is at least 300 kgf and equal or less than 900 kgf. The belt installation device is bendable between a straight form and a curved form having a radius of curvature of 800 mm. This invention further relates to an installation arrangement and installing method for installing a belt onto a paper, pulp or board machine.
A supporting beam arrangement (14) for supporting a flue gas duct (10) to a support frame (16) of the flue gas duct. The supporting beam arrangement comprises two horizontal first supporting beams (18) that are parallel and on two opposite sides of the flue gas duct (10) and separated by a distance from the flue gas duct, and further are connected to the support frame (16). The supporting beam arrangement (14) comprises a horizontal second supporting beam (20) defining two opposite ends (22) that are supported to the first supporting beams (18), the second supporting beam extending through the flue gas duct (10) that is supported to the second supporting beam. At least one or each one of the first supporting beams comprises an opening (24), in which opening one of the two opposite ends (22) of the second supporting beam is placed to rest on the first supporting beam (18). A power boiler (50) comprises the supporting beam arrangement (14), the flue gas duct (10) and the support frame (16).
F22B 37/24 - Dispositifs de support, de suspension ou de montage, p. ex. faisant écran à la chaleur
F22B 31/00 - Modifications de la structure de la chaudière ou des systèmes de tubes, dépendant de l'installation d'un appareil à combustionAménagements ou dispositions des appareils à combustion
