Produits et services

Financial consultancy in the construction sector, namely, in relation to the following fields: construction, manufacture, operation, inspection, cleaning, preservation, maintenance, restoration, emptying, repair and demolition costs of glass melting furnaces and glass melting installations and components relating thereto; processing of payments, in relation to the following services: construction (assembly), sealing, inspection, maintenance, preservation, cleaning, restoration, emptying and demolition of glass melting furnaces and glass melting installations and components relating thereto, including steel construction relating thereto. Technical construction services, namely construction management services, erecting (assembly), sealing, maintenance, preservation, cleaning, recovery, emptying and demolition, in relation to the following goods: glass melting furnaces, glass melting installations and components related thereto, including steel construction relating thereto; maintenance, cleaning, repair and exchange, in relation to the following goods: heating and cooling devices for glass melting furnaces and glass melting installations, burners, heating electrodes and their holders for glass melting furnaces and glass melting installations and pre-heating devices for raw materials for glass production and heating media for glass melting furnaces and glass melting installations, regenerators and recuperators for recovery of exhaust gas heat for glass melting furnaces and glass melting installations; installation work in relation to the following goods: glass melting furnaces, glass melting installations and components relating thereto, including steel construction relating thereto; commissioning (starting up) of glass melting furnaces and glass melting installations and components relating thereto; installation services in relation to the following goods: safety and protection devices for construction sites; maintenance and repair of security installations; security fencing (erection of -); construction project management. Waste disposal [transporation], in relation to the following fields: demolition of glass melting furnaces and glass melting installations; transportation logistics in relation to the following fields: construction, restoration and demolition of glass melting furnaces and glass melting installations; supply, in relation to the following goods: steel and refractory materials. Recovery of glass from waste; ceramic welding. Building design services, building construction advice, technical construction drafting, technical construction advices, inspections (technical verification) in relation to the following goods: glass melting furnaces, glass melting installations, pre-heating devices, regenerators and recuperators for recovery of exhaust gas heat for glass melting furnaces and glass melting installations and components relating thereto; engineering project management services, processing of technical projects; inspection in relation to the following goods: steel and refractory materials; inspection, in relation to the following goods: glass melting furnaces and glass melting installations as well as components and steel construction related thereto; inspection, in relation to the following goods: heating and cooling devices for glass melting furnaces and glass melting installations, burners, heating electrodes and their holders for glass melting furnaces and glass melting installations, pre-heating devices for raw materials for glass production and heating media for glass melting furnaces and glass melting installations, regenerators and recuperators for recovery of exhaust gas heat for glass melting furnaces and glass melting installations; technical monitoring and inspection, relating to the following sectors: heating of glass melting furnaces and glass melting installations. Letting, in relation to the following goods: safety and protection equipment for building sites; consultancy on regulations on safety at work.

Produits et services

Financial consultancy in the construction sector, namely, in relation to the following fields: construction, manufacture, operation, inspection, cleaning, preservation, maintenance, restoration, emptying, repair and demolition costs of glass melting furnaces and glass melting installations and components relating thereto; processing of payments, in relation to the following services: construction (assembly), sealing, inspection, maintenance, preservation, cleaning, restoration, emptying and demolition of glass melting furnaces and glass melting installations and components relating thereto, including steel construction relating thereto. Technical construction services, namely construction management, construction (assembly), sealing, inspection, maintenance, preservation, cleaning, restoration, emptying and demolition of glass melting furnaces and glass melting installations and components relating thereto, including steel construction relating thereto; inspection, maintenance, cleaning, repair and replacement in relation to the following goods: heating and cooling devices for glass melting furnaces and glass melting installations, burners, heating electrodes and their holders for glass melting furnaces and glass melting installations and pre-heating devices for raw materials for glass and heating media for glass melting furnaces and glass melting installations, regenerators and recuperators for recovery of exhaust gas heat for glass melting furnaces and glass melting installations; installation services of glass melting furnaces, glass melting installations and components relating thereto, including steel construction; commissioning (start-up) of glass melting furnaces and glass melting installations and components relating thereto; installation, in relation to the following goods: safety and protective devices for construction sites; maintenance and repair of security installations; security fencing (erection of-); construction project management; construction engineering services [construction consultancy] in relation to the following goods: glass melting furnaces, glass melting installations, pre-heating devices, regenerators and recuperators for recovery of exhaust gas heat for glass melting furnaces and glass melting installations and components relating thereto. Waste disposal [transportation], in relation to the following fields: demolition of glass melting furnaces and glass melting installations; transportation logistics in relation to the following fields: construction, restoration and demolition of glass melting furnaces and glass melting installations; delivery of goods, namely, steel and refractory materials, by rail, road, water and air. Recovery of glass from waste; ceramic welding. Construction planning services, construction drafting consulting, technical construction planning, inspections (technical verification) in relation to the following goods: glass melting furnaces, glass melting installations, pre-heating devices, regenerators and recuperators for recovery of exhaust gas heat for glass melting furnaces and glass melting installations and components relating thereto; engineering project management services, processing of technical projects; inspection in relation to the following goods: steel and refractory materials. Letting, in relation to the following goods: safety and protective equipment for construction sites; consultancy on regulations on safety at work.

Abrégé

The invention relates to a tank for fully electric heating of a glass melt located in a tank interior, said tank comprising a stepped bottom, a plurality of electrodes, and a lateral wall, and being capable of achieving a throughput of 80 to 450 tonnes/day and a good glass quality. The hot chamber side of the lateral wall forms, above the raised bottom portion, a polygon with at least five sides, a circle or an ellipse in horizontal cross-section. The bottom has a raised bottom portion extending around at least 70% of the periphery of the tank interior and a central homogenising bottom portion that is surrounded by and lower than the raised bottom portion, wherein: the raised bottom portion extends laterally from the hot chamber side of the lateral wall in the direction of the tank interior and has a width which is greater than or equal to 0.25 x D (D is the mean diameter); in the transition from the raised bottom portion to the homogenising bottom portion, a transition wall is formed extending perpendicularly with respect to the surface of the glass melt; and a first group of the plurality of electrodes projects into the glass melt in a region adjacent to the lateral wall and a second group of the plurality of electrodes is located in the raised bottom portion in a region adjacent to the transition wall.

Classes IPC  ?

• C03B 5/03 - Fours à cuve
• C03B 5/42 - Détails de structure des parois de four, p. ex. pour empêcher la corrosionUtilisation de matériaux spécifiés pour les parois de four

Produits et services

Financial consultancy in the construction sector, namely, in relation to the following fields: Construction, manufacture, operation, inspection, cleaning, preservation, maintenance, restoration, emptying, repair and demolition costs of glass smelting furnaces and glass smelting installations and components relating thereto; Processing of payments, in relation to the following services: Construction (assembly), sealing, inspection, maintenance, preservation, cleaning, restoration, emptying and demolition of glass smelting furnaces and glass smelting installations and components relating thereto, including steel construction relating thereto. Technical construction services, namely Construction management services, Erecting, namely, Assembly, Sealing, Maintenance, Conservation, Purification, Recovery, Emptying and Demolition, in relation to the following goods: Glass smelting furnaces, glass smelting installations, related fittings, including the following services: Steel structure construction work; Maintenance, Purification, Repair and Exchange, in relation to the following goods: Heating and cooling devices for glass smelting furnaces and glass smelting installations, burners, hot electrodes and their holders for glass smelting furnaces and glass smelting installations and pre-heating devices for raw glass materials and heating media for glass smelting furnaces and glass smelting installations, regenerators and recuperators for recovery of exhaust gas heat for glass smelting furnaces and glass smelting installations; Installation services in relation to the following goods: Glass smelting furnaces, glass smelting installations, related fittings, including the following services: Steel structure construction work; Commissioning (starting up) of glass smelting furnaces and glass smelting installations and components relating thereto; Installation services in relation to the following goods: Safety and protection devices for construction sites; Maintenance and repair of security installations; Security fencing (Erection of -); Construction project management. Waste disposal [transporation], in relation to the following fields: Demolition of glass smelting furnaces and glass smelting installations; Transportation logistics in relation to the following fields: Construction, restoration and demolition of glass smelting furnaces and glass smelting installations; Supply, in relation to the following goods: Steel and Refractory materials. Reclamation of glass from waste; Ceramic welding. Building design services, Building construction advice, Technical construction drafting, Technical construction advices, Inspections (technical verification) in relation to the following goods: Glass smelting furnaces, glass smelting installations, pre-heating devices, regenerators and recuperators for recovery of exhaust gas heat for glass smelting furnaces and glass smelting installations and components relating thereto; Engineering project management services, Processing of technical projects; Inspection in relation to the following goods: Steel and Refractory materials; Inspection, in relation to the following goods: Glass smelting furnaces and glass smelting installations, related fittings, including the following services: Steel buildings; Inspection, in relation to the following goods: Heating and cooling devices for glass smelting furnaces and glass smelting installations, Burners, Hot electrodes and their holders for glass smelting furnaces and glass smelting installations, pre-heating devices for raw glass materials and heating media for glass smelting furnaces and glass smelting installations, regenerators and recuperators for recovery of exhaust gas heat for glass smelting furnaces and glass smelting installations; Technical supervision and inspection, Relating to the following sectors: Heating of glass smelting furnaces and glass smelting installations. letting, in relation to the following goods: Safety and protection equipment for building sites; Consultancy on regulations on safety at work.

Abrégé

A glass melting tank (10, 10a, 10b, 10c, 110, 210, 310, 410) for fully electric heating of the glass melt (12) in the production operating state is described, having a side wall of refractory material which laterally encloses an interior tank space (11, 111, 211, 311, 411), wherein the glass melt (12) is arranged in the interior tank space in the production operating state. In order to achieve a higher glass throughput, with at the same time a compact design and high quality of the glass, the side wall has an inner wall section (15, 115, 215, 315, 415) and an outer wall section (16, 116, 216, 316, 416), lying opposite the inner wall section, wherein the hot-space side (15b, 115b, 215b, 315b) of the inner wall section (15, 115, 215, 315, 415), facing the interior tank space, and the hot-space side (16b, 116b, 216b, 316b) of the outer wall section (16, 116, 216, 316, 416), facing the interior tank space, have substantially the form of inner and outer lateral surfaces of a hollow body with a continuous hollow space or a corresponding hollow-body segment, wherein the hollow body is for example a hollow cylinder or a hollow prism, wherein the inner wall section (15, 115, 215, 315, 415) at least partially surrounds a continuous clearance (19, 20, 119, 319, 419) corresponding to the hollow space. A system comprising two glass melting tanks, a glass melting installation and also a method for producing a glass melting tank are also described.

Classes IPC  ?

• C03B 5/03 - Fours à cuve
• C03B 5/42 - Détails de structure des parois de four, p. ex. pour empêcher la corrosionUtilisation de matériaux spécifiés pour les parois de four

Produits et services

Financial consultancy in the construction sector, namely, in relation to the following fields: Construction, manufacture, operation, inspection, cleaning, preservation, maintenance, restoration, emptying, repair and demolition costs of glass smelting furnaces and glass smelting installations and components relating thereto; Processing of payments, in relation to the following services: Construction (assembly), sealing, inspection, maintenance, preservation, cleaning, restoration, emptying and demolition of glass smelting furnaces and glass smelting installations and components relating thereto, including steel construction relating thereto. Technical construction services, namely Construction management, construction (assembly), sealing, inspection, maintenance, preservation, cleaning, restoration, emptying and demolition of glass smelting furnaces and glass smelting installations and components relating thereto, including steel construction relating thereto; Inspection, Maintenance, Purification, Repair and Exchange in relation to the following goods: Heating and cooling devices for glass smelting furnaces and glass smelting installations, burners, hot electrodes and their holders for glass smelting furnaces and glass smelting installations and pre-heating devices for raw glass materials and heating media for glass smelting furnaces and glass smelting installations, regenerators and recuperators for recovery of exhaust gas heat for glass smelting furnaces and glass smelting installations; Installation services of: Glass smelting furnaces, glass smelting installations and components relating thereto, including steel construction; Commissioning (starting up) of glass smelting furnaces and glass smelting installations and components relating thereto; Technical surveillance, Technical inspection in relation to the following fields: Heating of glass smelting furnaces and glass smelting installations; installation, in relation to the following goods: Safety and protection devices for construction sites; Maintenance and repair of security installations; Security fencing (Erection of -); Construction project management. Waste disposal [transporation], in relation to the following fields: Demolition of glass smelting furnaces and glass smelting installations; Transportation logistics in relation to the following fields: Construction, restoration and demolition of glass smelting furnaces and glass smelting installations; Supply, in relation to the following goods: Steel and Refractory materials. Reclamation of glass from waste; Ceramic welding. Building design services, Building construction advice, Technical construction drafting, Technical construction advices, Inspections (technical verification) in relation to the following goods: Glass smelting furnaces, glass smelting installations, pre-heating devices, regenerators and recuperators for recovery of exhaust gas heat for glass smelting furnaces and glass smelting installations and components relating thereto; Engineering project management services, Processing of technical projects; Inspection in relation to the following goods: Steel and Refractory materials. letting, in relation to the following goods: Safety and protection equipment for building sites; Consultancy on regulations on safety at work.

Produits et services

Electrodes, transformers for heating kilns, electric switching apparatus for heating kilns. Glass making furnaces, oil burners, gas burners.

Abrégé

A burner holder for a burner lance in a glass melting plant. To easily and quickly change the burner lance angle to influence the process conditions in the glass melting plant, the burner holder has a retaining unit for securing the burner lance and a sealing plate with a passage. The sealing plate is configured to secure to the glass melting plant and is provided with a recess for receiving a burner lance head. The recess forms at least one part of a passage through the sealing plate. The retaining unit is connected to the sealing plate via at least one first pivot bearing, such that the retaining unit can be pivoted or swiveled about a first axis of rotation. The pivot bearing is attached or embedded directly on the sealing plate or is connected to the sealing plate via a support arm arranged on the sealing plate.

Classes IPC  ?

• F23C 5/06 - Dispositifs prévus pour régler la position du brûleur pendant la marche
• C03B 5/235 - Chauffage du verre
• F23M 5/02 - ArmaturesEnveloppesParois caractérisées par la forme des briques ou des blocs utilisés

Produits et services

Electrodes, transformers for heating kilns, electric switching apparatus for heating kilns. Glass making furnaces, Oil burners, Gas burners.

Abrégé

A melt tank for the production of a glass melt having a low portion of bubbles. The melt tank includes an inlet opening, an outlet opening, a floor, at least two side walls that adjoin the floor, a roof. The glass melt having a first bath depth in a melting segment, a second bath depth in a refining segment, and a third bath depth over a threshold between and smaller than the first and second bath depths. An electrically produced first heat energy is supplied via a multiplicity of electrodes that extend into the glass melt and a second heat energy is produced by the combustion of fossil fuel via at least one burner. Also, a method for producing a glass melt.

Classes IPC  ?

• C03B 5/03 - Fours à cuve

Produits et services

Machines for the manufacture of glass, glass processing machines, machines for preparing mixtures and for placing mixtures in glass kilns. Electrodes, transformers for heating kilns, electric switching apparatus for heating kilns. Glass making furnaces, oil burners, gas burners. Feeders (non-metallic) for glass production, drainage gutters (channels), not of metal, and working ends of refractory ceramic materials for generating and releasing liquid glass.

Abrégé

A feeding device for a glass melting plant, having a sealing device and at least one movement device, the movement device executing a cyclical movement during operation of the feeding device, and being guided along at least one feedthrough through the sealing device. Adjacent to an open area of each feedthrough at least one gas nozzle is situated on the side of the sealing device facing away from the glass melting plant in such a way that the gas flowing out from the at least one gas nozzle reduces the quantity of dust and/or exhaust gases that moves out of the glass melting plant through the respective feedthrough to the side of the sealing device facing away from the glass melting plant.

Classes IPC  ?

• C03B 3/00 - Enfournement

Abrégé

The invention relates to a burner holder (1, 100, 200) for a burner lance (20, 120, 220) in a glass melting plant. In order to easily and quickly change the angle of the burner lance to influence the process conditions in the glass melting plant, the burner holder has a retaining unit (2, 102, 202) for securing the burner lance and a sealing plate (10, 110, 210) with a passage (11, 111, 211, 12), wherein the sealing plate (10, 110, 210) is configured for securing to the glass melting plant and is provided with a recess (11, 111, 211) for receiving a head (21, 121, 221) of the burner lance (20, 120, 220), wherein the recess (11) forms at least one part of a passage (11, 111, 211, 12) through the sealing plate (10, 110, 210), wherein the retaining unit (2, 102, 202) is connected to the sealing plate (10, 110, 210) via at least one first pivot bearing (9,109, 209), such that the retaining unit (2, 102, 202) can be pivoted or swivelled about a first axis of rotation (A), wherein the pivot bearing (9, 109, 209) is attached or embedded directly on the sealing plate (10) or is connected to the sealing plate (10, 110, 210) via a support arm arranged on the sealing plate (10, 110, 210).

Classes IPC  ?

• C03B 5/235 - Chauffage du verre
• F23C 5/06 - Dispositifs prévus pour régler la position du brûleur pendant la marche
• F23M 5/02 - ArmaturesEnveloppesParois caractérisées par la forme des briques ou des blocs utilisés

Produits et services

Machines for the manufacture of glass, glass processing machines, machines for preparing mixtures and for placing mixtures in glass kilns Electrodes, transformers for heating kilns, electric switching apparatus in the nature of electric switches for heating Kilns Glass making furnaces, oil burners for industrial use in the production of glass, gas burners Feeders for glass production in the nature of nonmetal rigid pipes; channels in the nature of drainage gutters, not of metal; refractory ceramic shapes for use in refractory furnaces for generating and releasing liquid glass

Produits et services

Machines for the manufacture of glass, glass processing machines, machines for preparing mixtures and for placing mixtures in glass kilns. Electrodes, transformers for heating kilns, electric switching apparatus for heating kilns. Glass making furnaces, Oil burners, Gas burners. Feeders, drainage gutters (channels), not of metal, and working ends of refractory ceramic materials for generating and releasing liquid glass.

Abrégé

A glass melting plant refiner for thermal post-treatment of a glass melt containing bubbles, in particular for the production of fiberglass. To reduce the glass melt bubble content produced by submerged combustion burners, a refiner forms a glass melt tank, the glass melt flowing through the tank in a transport direction. The tank has a floor, side walls and a superstructure. A barrier, forming a raised floor part, runs essentially in the transport direction. The barrier forms, at each lateral side, a channel-shaped constriction with the side walls, a width of each constriction transverse to the transport direction being at most 0.45 times the tank width. At least one first fossil fuel heater heats the glass melt from above. At least one second electrical heating device, in each side wall and/or in the floor of the tank in the region of each constriction, extends into the glass melt.

Classes IPC  ?

• C03B 5/20 - Barrages, boucassins, gorges ou autres dispositifs pour retenir la crasse, l'écume ou la composition vitrifiable
• C03B 5/235 - Chauffage du verre
• C03B 5/182 - AgitateursHomogénéisation en déplaçant le verre fondu le long d'éléments fixes, p. ex. de déflecteurs, de déversoirs, de plaques de fond
• C03B 5/04 - Fusion dans des foursFours, pour autant qu'ils soient spécialement adaptés à la fabrication du verre dans des fours à bassin
• C03B 5/185 - Moyens électriques
• C03B 5/225 - Affinage

Produits et services

Furnaces for glass production, assemblies, individual parts and fittings therefor, in particular melting tanks, working tanks, forehearths, feeders, furnace roofs; Furnaces for preheating a batch, stationary preheating burners, preheating devices for combustion air, oxygen and chamber loads, prefabricated furnace parts, feeding systems for industrial furnaces, in particular loading and metering devices for chamber loads, cooling apparatus and systems, heating devices, in particular heating apparatus for furnaces, all of the aforesaid goods solely for glass production.

Abrégé

A regenerator for glass melting tanks for storing waste heat from combustion cycles and emitting the stored heat to oxidation gases supplied from the outside, having a gas-permeable chamber lattice in which the chamber lining is made of fire-resistant stones held together by lateral wall elements. A cover region is situated over the chamber lattice for the combustion gases entering into the chamber lattice and for the oxidation gases exiting from the chamber lattice, the chamber cover forming a flow duct together with a further cover segment, connected to the cover, limited by a downward-extending terminating wall that is connected to the burner throat and with the wall element. A segment of the lateral wall element between the flow duct running essentially vertically and the upper region of the chamber lattice is fashioned as an intermediate wall having a cooling duct system situated therein.

Classes IPC  ?

• C03B 5/237 - Régénérateurs ou récupérateurs spécialement adaptés aux fours de fusion de verre
• F23L 15/02 - Aménagements des régénérateurs
• F28D 17/02 - Appareils échangeurs de chaleur de régénération dans lesquels un agent ou une masse intermédiaire immobile de transfert de chaleur est mis en contact successivement avec chacune des sources de potentiel calorifique, p. ex. en utilisant des particules granulées utilisant des masses rigides, p. ex. d'un matériau poreux
• F28D 21/00 - Appareils échangeurs de chaleur non couverts par l'un des groupes

Abrégé

A glass melting tank comprising at least one front part for introducing the charge material, and at least one charging device. To reduce atmospheric heat losses and reduce dust transport into the upper furnace of the tank, and nevertheless to intensify the heating of the charge material, the front part has a length “LV” of at least 2,250 mm in the direction of the melting tank, and a length “LG” of at least 1,200 mm is provided with an insulating roof. An end wall near the charging device, together with the roof, encloses a gas chamber open toward the melting tank. A characteristic value “K” of 3.50 tonnes (t) per hour and per square meter of surface is not exceeded. The characteristic value is calculated from P/F, where P is the throughput per hour in tonnes (t) and F is the inner surface of the front part in m.

Classes IPC  ?

• C03B 3/00 - Enfournement
• C03B 3/02 - Enfournement combiné à un préchauffage, une préfusion ou un prétraitement des ingrédients vitrifiables, des granulés ou des groisils
• C03B 5/04 - Fusion dans des foursFours, pour autant qu'ils soient spécialement adaptés à la fabrication du verre dans des fours à bassin

Abrégé

A device for drying and preheating particulate feedstock for glass melting apparatuses including a vertical shaft in which a plurality of gas guides are arranged level by level. The shaft has at least one gas channel for exhaust gases from the melting apparatus. a) feedstock guide elements are arranged one above another within the shaft with lateral spacings on all sides, with a portion of the gas guides extending through the guide elements, b) at least one of the guide elements is mounted in a transversely movable fashion with respect to the shaft independently of other guide elements, c) the guide elements are provided with converging oblique surfaces for introducing the feedstock at upper ends of the guide elements and with converging oblique surfaces for the emergence of the feedstock at lower ends of the guide elements, and d) at least one guide element is connected to a vibrating drive.

Classes IPC  ?

• F26B 21/00 - Dispositions pour l'alimentation ou le réglage de l'air ou des gaz pour le séchage d'un matériau solide ou d'objets
• F28C 3/14 - Autres appareils échangeurs de chaleur à contact direct une des sources de potentiel calorifique au moins étant un solide fluent, p. ex. un matériau sous forme de particules les sources de potentiel calorifique étant un matériau sous forme de particules d'une part, un gaz, une vapeur ou un liquide d'autre part le matériau sous forme de particules se déplaçant par gravité, p. ex. du haut en bas d'un tube
• F26B 17/14 - Machines ou appareils à mouvement progressif pour le séchage d'un matériau en vrac, à l'état plastique ou sous forme fluidisée, p. ex. granulés, fibres brutes le mouvement étant réalisé uniquement par gravité le matériau se déplaçant à travers un contre-courant de gaz
• F26B 23/00 - Chauffage
• F28D 7/16 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation les canalisations étant espacées parallèlement
• C03B 3/02 - Enfournement combiné à un préchauffage, une préfusion ou un prétraitement des ingrédients vitrifiables, des granulés ou des groisils
• F28D 21/00 - Appareils échangeurs de chaleur non couverts par l'un des groupes

Abrégé

The invention relates to a device for preheating charging materials (3) for glass melting facilities by means of exhaust gases thereof, having a vertical preheating shaft (1) through which a heat exchanger (10) extends, through which the exhaust gases are directed, wherein the upper end of the preheating shaft (1) has a charging opening (2) for the charging materials (3) and the lower end has a discharge device (6) for the preheated charging materials (3), and wherein the inlet of the heat exchanger is connected to a supply line and the outlet is connected to an outlet line for the exhaust gases. In order that a higher portion of the heat is recovered from the exhaust gases at a lower installation height and lower volume and the suctioning in of ambient air as false air and environmental contamination can be reduced to a minimum degree in such a device, the supply line (10b) for the exhaust gases has at least one branch in the form of an outlet line (13a) for the outlet of a partial volume of the hot gases (13) and the outlet line (13a) is connected to at least one sealing gas line (16) which is open to the bottom and which is arranged in the region of the charging materials (3) above the at least one exhaust gas lead-through (10) of the heat exchanger for releasing the hot gases into the charging materials (3).

Classes IPC  ?

• C03B 3/02 - Enfournement combiné à un préchauffage, une préfusion ou un prétraitement des ingrédients vitrifiables, des granulés ou des groisils
• F28C 3/14 - Autres appareils échangeurs de chaleur à contact direct une des sources de potentiel calorifique au moins étant un solide fluent, p. ex. un matériau sous forme de particules les sources de potentiel calorifique étant un matériau sous forme de particules d'une part, un gaz, une vapeur ou un liquide d'autre part le matériau sous forme de particules se déplaçant par gravité, p. ex. du haut en bas d'un tube

Abrégé

The invention relates to a feeding device for introducing particulate feedstock into glass melting installations, comprising pushing conveyors (5), which are supplied by storage containers (8) via guiding channels (6) and are directed onto the surface of the melt, and comprising at least one slide (1) for advancing the feedstock on the surface of the melt. To solve the problem of supplying a glass melting installation with feedstock in such a way as to avoid, at least to a great extent, asymmetric material and temperature distribution and movements transversely to the transporting direction of the feedstock, and consequently also to avoid exposure of the mineral construction materials of the installation to changing thermal loads, it is proposed according to the invention that a) at least three pushing conveyors (5) are arranged alongside one another and, in the region of the guiding channels (6) thereof, are arranged so closely alongside one another that they can be supplied by a common distributing device (7), and are separated from one another in the intermediate region between two guiding channels (6) by a respective dividing edge (9), and that b) a linkage (2) for the drive of a slide (1) that can be introduced into the glass melt is respectively led through the spacing between each two guiding channels (6).

Classes IPC  ?

• C03B 3/00 - Enfournement
• C03B 5/24 - Régulation automatique de la fusion

Abrégé

A glass melting oven for producing a glass melt in a row arrangement, having a loading opening for raw glass materials, a melting region, a refining region, a constriction, a conditioning region and an overflow into a processing unit. To remove flaws from the melt that remain visible in the end product, a method includes the steps of a) arranging a refining bench between the melting region and the beginning of the refining region; b) arranging side burners and extraction openings for flue gases between the loading opening and the refining bench; c) delimiting the constriction at both ends by end walls that leave narrow flow cross-sections above the glass melt for flue gases; and d) cooling the glass melt inside the constriction. The glass melting oven is particularly suited for producing flat glass and panels for solar elements. The oxidants for the fuels may also be preheated.

Classes IPC  ?

• C03B 5/20 - Barrages, boucassins, gorges ou autres dispositifs pour retenir la crasse, l'écume ou la composition vitrifiable
• C03B 5/225 - Affinage
• C03B 5/23 - Refroidissement du verre fondu

Abrégé

The invention relates to a device for drying and preheating particulate feedstock (5) for glass melting apparatuses comprising a vertical shaft (1) in which a plurality of gas guides (15) are arranged level by level, wherein the shaft (1) is provided with at least one gas channel (13) for exhaust gases from the melting apparatus. In order to solve the problem of specifying a device which keeps the feedstock (5) in motion within the shaft (1) in such a way that agglutination of the particles is prevented or interrupted and a tendency to agglutination is counteracted, the invention proposes that a) guide elements (8) for the feedstock (5) are arranged one above another level by level within the shaft (1) and with lateral spacings on all sides, through which guide elements a portion of the gas guides (15) is respectively guided, b) at least one portion of the guide elements (8) is mounted in a movable fashion transversely with respect to the shaft (1) independently of one another, c) the guide elements (8) are provided with converging oblique surfaces (8a) for introducing the feedstock (5) at the upper ends of said guide elements and with converging oblique surfaces (8b) for the emergence of the feedstock (5) at the lower ends of said guide elements, and that d) at least one of the guide elements (8) is connected to a vibrating drive (11).

Classes IPC  ?

• C03B 3/02 - Enfournement combiné à un préchauffage, une préfusion ou un prétraitement des ingrédients vitrifiables, des granulés ou des groisils

Abrégé

The invention relates to a method and an apparatus for feeding preheaters (1) having heating elements (4) for the feedstock (6) of glass melting installations, wherein the feedstock (6) is applied to the topmost heating elements (4) in a uniform distribution in a manner controlled by sensors (15). In order to achieve the object of specifying such a method of distributing the feedstock (6) in an extremely thin, but uniform layer thickness on and between the upper heating elements (4), thereby effectively suppressing or avoiding agglutination of particles and accumulation of the feedstock (6), it is proposed according to the invention that a) there is arranged above the topmost heating elements (4) a distributor device (5) comprising at least three pivotable distributor plates (12, 13, 14), the pivoting axes (12a, 13a, 14a) of which run in the horizontal edges of a virtual prism, wherein b) the topmost distributor plate (12) throws the feedstock (6) alternately onto one of the distributor plates (13, 14) arranged underneath, which, for its part, throws the caught feedstock (6) to one of its sides sternwards, and wherein c) the movements of the distributor plates (12, 13, 14) are controlled by sensors (15) with an evaluation and control circuit (17/18) and actuators assigned to the distributor plates (12, 13, 14) with the aim of a uniform area distribution of the feedstock (6) over the cross section of the preheater (1).

Classes IPC  ?

• C03B 3/02 - Enfournement combiné à un préchauffage, une préfusion ou un prétraitement des ingrédients vitrifiables, des granulés ou des groisils

Abrégé

The invention relates to a glass melting tank (1), comprising at least one front part (6) for introducing the charge material and at least one charging device. In order to achieve the aim of improving the charging technology via front parts (6) of glass tank furnaces to the effect that heat losses to the atmosphere and transport of dust into the upper furnace of the tank are reduced, and nevertheless the heating of the charge material is intensified, according to the invention the front part (6) a) has a length "LV" of at least 2,250 mm in the direction of the melting tank (1), and b) at a length "LG" of at least 1,200 mm is provided with an insulating roof (7), which has an end wall (8) towards the charging device, which, together with the roof (7), encloses a gas chamber (9) that is open toward the melting tank (1), c) wherein the so-called characteristic value "K" of 3.50 tonnes (t) per hour and per square metre of surface is not exceeded, said characteristic value being calculated from P/F, where P is the throughput per hour in tonnes (t) and F is the inner surface of the front part in mo.

Classes IPC  ?

• C03B 3/00 - Enfournement
• C03B 5/04 - Fusion dans des foursFours, pour autant qu'ils soient spécialement adaptés à la fabrication du verre dans des fours à bassin

Abrégé

The invention relates to a method and a system for thermal dewatering and preheating of aqueous mixtures for feeding glass melting plants when passing through a shaft-like container (1), which is provided with heating elements (2) disposed one above another in tiers for supplying heat. In order to solve the problem of heating the feed material by means of the usual exhaust gases in preheaters with separate guidance of exhaust gases and feed material without the feed material becoming glued together or agglomerating in the preheaters, according to the invention a) the heating elements (2) located in the uppermost tier are closed with respect to the mixture and are kept at temperatures of at least 100C, b) the interface (G) between the bulk material of the mixture and the atmosphere above the bulk material is shaped and heated by the heating elements (2) disposed in the uppermost tier in such a way that part of the thermal output is given off to the atmosphere via the bulk material, and c) as the mixture proceeds through the container (1) it is heated by further heating elements (2) to temperatures close to the feeding temperature for the glass melting plant.

Classes IPC  ?

• C03B 3/02 - Enfournement combiné à un préchauffage, une préfusion ou un prétraitement des ingrédients vitrifiables, des granulés ou des groisils

Produits et services

[ Material handling machines for processing and inserting batches into for glass melting furnaces and into the conditioning channels behind a glass melting furnace and in front of a glass manufacturing machine ] [ Electrodes, transformers and electric switches for heating furnaces, feeders and troughs ] Cooling machines for working glass, namely, conditioning channels for cooling the continuous glass melt flow behind a glass melting furnace in order to achieve melt properties suitable for manufacturing glass from melt; glass melting furnaces; oil and gas burners for heating furnaces, feeders and troughs [ Feeder and channeling pipes and work troughs of ceramic refractory materials and stones for the output of liquid glass ]

Produits et services

[ Material handling machines for inserting batches into glass melting furnaces and for delivering melted batches to a glass manufacturing machine ] [ Electrodes, transformers and electric switches for heating furnaces, feeders and troughs ] Glass melting furnaces for melting glass raw materials; oil and gas burners for heating furnaces, feeders and troughs [ Feeder and channeling pipes and work troughs of ceramic refractory materials and stones for the output of liquid glass ]

Produits et services

Machines and mechanical equipment for the glass manufacturing industry, namely, conveying machines; conveying equipment for glass raw material delivery from storage bin to melting tank; material handling machines for feeding glass melting furnaces with glass raw materials

Produits et services

Melting installations and And parts thereof,In particular tubs.

Abrégé

The invention relates to a method and a device for supplying glass melting furnaces (1) comprising at least one doghouse (6) with free flowing glass mixtures by means of a) transport devices (21) for feeding the glass mixture through a doghouse opening (8) above the glass level (4), and b) by means of a pusher (38) driven periodically by a pusher arm (28) for distributing the glass mixture on the glass melt (3), wherein c) the transport devices (21) and the pusher arm (28) are fed through the doghouse opening (8) and at least extensively sealed. In order to achieve the aim of feeding the feed goods or glass mixture for glass melt furnaces into the furnace for producing, operating, and sustaining using as little effort as possible, and of distributing the same over the melt surface in a targeted manner, thereby extensively maintaining the sealing of the interior of the furnace from the surroundings, the invention proposes that d) the glass mixture is applied to the glass melt (3) by means of two transport devices (21) adjacent to each other and independently controlled with regard to the delivered quantity per unit of time, and e) is distributed over the glass melt (3) by continuous rotary motions of the pusher (38) at both sides of the pusher arm (28).

Classes IPC  ?

• C03B 3/00 - Enfournement

Abrégé

The invention relates to a device and a method for generating glass melts from solid feedstock having a melt shaft comprising a feeding device and an exhaust gas line in the upper region thereof, and having a coolable grate (9) below said region between an upper grate plane EO and a lower grate plane EU for temporarily storing the feedstock, wherein the melt shaft is disposed on a catch basin and at least one burner is present below the grate (9). In order to achieve the aim of a grate construction and to disclose an operating method for the same, wherein high mechanical and thermal durability is combined with low thermal losses, the invention proposes that a) the grate (9) is made of tubes (14), each having an internal tube (14a) and an external tube (14b), between which spacers (14c) are disposed, and that b) the internal tubes (14a) are designed for carrying a good heat conductive coolant. At least three spacers (14c) are thereby particularly advantageously disposed between the internal tubes (14a) and the external tubes (14b), distributed around the circumference.

Classes IPC  ?

• F27B 1/10 - Parties constitutives, accessoires ou équipements spécialement adaptés à ces types de fours
• C03B 5/12 - Fusion dans des foursFours, pour autant qu'ils soient spécialement adaptés à la fabrication du verre dans des fours à cuve

Produits et services

Machines for working glass; machines for processing and inserting batches for glass furnaces. Oil and gas burners, electrodes, transformers and switching apparatus for heating furnaces, feeders and troughs. Glass furnaces. Feeders, channels and work troughs of ceramic refractory materials and stones for the output of liquid glass.

Produits et services

Machines for working glass; machines for processing and inserting batches for glass furnaces. Oil and gas burners, electrodes, transformers and switching apparatus for heating furnaces, feeders and troughs. Glass furnaces. Feeders, channels and work troughs of ceramic refractory materials and stones for the output of liquid glass.

Produits et services

Machines and mechanical equipment for the glass manufacturing industry.

Abrégé

The invention relates to an apparatus and a method for producing glass melts (G) from solid feed material (7) with a melt shaft (1), which has a coolable grate (9) for supporting the feed material (7) and is arranged on a collecting tank (11) with a passage (14) and has a melt level (20) below the grate (9), wherein at least one burner (10) is directed into the gas space (24) between the melt level (20) and the grate (9) and wherein the glass melt (G) can ultimately be supplied to a conditioning part (15). In order to achieve the object of obtaining a high productivity in conjunction with clean and homogeneous glass melts even for high-quality glass products, it is proposed according to the invention that a) the collecting tank (11) is kept free of burners below its melt level (20), b) the at least one burner (10) above the melt level (20) is designed with regard to its radiation power such that the substantial proportion of the energy can be applied both for melting the feed material (7) and for subsequently heating the glass melt (G) in the collecting tank (11), and that c) the conditioning part (15) has, above its melt level (21), a delimited gas space (25) and at least one further heating device. Said heating device can be at least one burner (22) and/or at least one heating electrode (13K).

Classes IPC  ?

• C03B 5/04 - Fusion dans des foursFours, pour autant qu'ils soient spécialement adaptés à la fabrication du verre dans des fours à bassin
• C03B 5/12 - Fusion dans des foursFours, pour autant qu'ils soient spécialement adaptés à la fabrication du verre dans des fours à cuve
• C03B 5/225 - Affinage

Abrégé

The invention relates to the production of a glass melt (9) in a row arrangement, comprising at least one loading opening (7) for raw glass materials, a melting region (2), a refining region (3), a constriction (4), a conditioning region (5) and an overflow (8) into a processing unit. In order to remove flaws from the melt that remain visible in the end product, the invention proposes: a) arranging a refining bench (19) between the melting region (2) and the beginning of the refining region (3); b) arranging side burners (15, 17) and extraction openings (16, 18) for flue gases between the loading opening (7) and the refining bench (19); c) delimiting the constriction (4) at both ends by end walls (12, 13) that leave narrow flow cross-sections above the glass melt (9) for flue gases; and d) arranging cooling means for the glass melt (9) inside the constriction (4). The invention is particularly suited for producing flat glass and panels for solar elements. To this end, the oxidants for the fuels may also be preheated.

Classes IPC  ?

• C03B 5/04 - Fusion dans des foursFours, pour autant qu'ils soient spécialement adaptés à la fabrication du verre dans des fours à bassin
• C03B 5/225 - Affinage
• C03B 5/23 - Refroidissement du verre fondu

Abrégé

The invention relates to a glass melting plant and a method for operating it, comprising a melting tank (4), burners (6, 7) for fossil fuels and at least one regenerator (1) for preheating oxidation gases, wherein at least two step-free burner necks (2, 3) for alternately supplying oxidation gases and carrying away combustion gases are arranged between the at least one regenerator (1) and the melting tank (4), and wherein the burner necks (2, 3) are provided with lateral supply openings (8, 9) for supplying secondary oxidation gases. In order to solve the problem of achieving force-neutral injection into the exhaust gas streams together with a simple design and good utilization of energy, it is proposed according to the invention that the supply openings (8, 9) for supplying the secondary oxidation gases be oriented perpendicularly on the free cross section of the burner necks (2, 3) above the step-free floor surfaces (2d).

Classes IPC  ?

• C03B 5/235 - Chauffage du verre

Abrégé

The invention relates to a measurement device and a method for analyzing mixtures of gaseous fuels and air for supplying burners for containers (1) of glass melting and treatment systems, a portion of said mixture being removed from a mixture line (17) leading to the burners as analysis gas and conducted to a combustion chamber (8, 8a, 8b) in order to determine a reference value, and is combusted in said chamber, and the combustion gas being analyzed by an oxygen sensor (20), characterized in that the combustion chamber (8, 8a, 8b) a) is disposed inside a wall of the container (1) for the molten glass (2), b) is connected in a heat-conducting fashion to the contents of the container (1), c) is closed relative to the container (1) for the molten glass (2), and d) is connected to the oxygen sensor (20) via an exhaust gas line (19).

Classes IPC  ?

• C03B 7/06 - Moyens pour le conditionnement thermique ou la commande de la température du verre

Abrégé

The invention relates to a glass melting furnace comprising a cuvette (5) and an upper furnace (1) having a furnace top (4) and an inner total length ('Lg'), a pre-heating zone (16) for the charge material (14) and a furnace chamber (19) having burners (20). The aim of the invention is to provide a glass melting furnace and a corresponding operating method which allow the legal requirements for the limits of the environmental impact to be kept without the profitability being reduced and without requiring additional methods, installations and operating staff. The invention is characterized in that a) a single radiation wall (15) is arranged between the pre-heating zone (16) and the furnace chamber (19) and limits the length ('Lv') of the pre-heating zone (16) to values of 15 to 35% of the inner total length ('Lg') and the length (('Lf') of the furnace chamber (19) is extended to values of 65 to 85% of the inner total length ('Lg'), b) the pre-heating zone (16) is designed exclusively for the furnace-internal pre-heating of the charge material (14), c) a gas source for the oxidation gas has an oxygen content of at least 85 vol.-% of oxygen, and d) at least one outlet (18) of the pre-heating zone (16) for the exhaust gases is connected to the atmosphere without the intermediate connection of a heat exchanger.

Classes IPC  ?

• C03B 5/04 - Fusion dans des foursFours, pour autant qu'ils soient spécialement adaptés à la fabrication du verre dans des fours à bassin
• C03B 5/193 - AgitateursHomogénéisation utilisant un gaz, p. ex. bouillonneurs
• C03B 5/235 - Chauffage du verre
• C03B 5/20 - Barrages, boucassins, gorges ou autres dispositifs pour retenir la crasse, l'écume ou la composition vitrifiable

Abrégé

The invention relates to a method and a device for extracting glass melt (3) from flow channels (1) that are led to a removal point for production glass, wherein the flow channel (1) has a glass-resistant lining (5a) and wherein a drainage device (20) for bottom glass is arranged in front of the removal point for the production glass. In order in this arrangement to withdraw heating electrodes (22) from the glass melt (3), and nevertheless be able to have a locational and temporal influence on the temperature profile within the flow cross section, it is proposed according to the invention that a) at least in the region of the drainage device (20), the lining (5a) consists of a fused-cast, electrically conductive material and has a drainage opening (23) for the bottom glass and, over that, a drainage gap (21), and that b) at least two electrodes (22) are arranged on opposite sides of the flow channel (1) and of the drainage device (20), which electrodes are inserted with their end faces (22a) so far into the lining (5a) in the direction of the glass melt (3), without contacting the glass melt, that the predominant part of the current flows is directed through the glass melt (3) and reaches an electrode plate (24), which is arranged underneath the drainage opening (23).

Classes IPC  ?

• C03B 7/098 - Moyens de chauffage, de refroidissement ou d'isolation de chauffage électriques
• C03B 5/26 - OuvreauxTrop-plein

Produits et services

Éléments de construction métalliques en tant que parties de blocs de sortie placés au fond de fours de fusion en verre. Électrodes métalliques, contacteurs électriques et transformateurs en tant que parties de blocs de sortie placés au fond de fours de fusion en verre. Blocs de sortie placés au fond de fours de fusion en verre. Matériaux réfractaires en tant que parties de blocs de sortie placés au fond de fours de fusion en verre; tuyaux en matériaux réfractaires.

Produits et services

Fours de fusion en verre.

Produits et services

Machines et outils mécaniques pour l'industrie du verre.

Produits et services

Glass working machines, machines for preparing frit and placing it in glass melting furnaces. Electrodes, transformers and switching apparatus for heating ovens, feeders and spouts. Glass melting furnaces. Runners, ducting and spouts made of ceramic refractory materials for the distribution of molten glass.

Produits et services

(1) Apparatus (machines) for producing glass articles; apparatus (machines) for producing and delivery of batch to glass melting furnaces; feeders [parts of machines]. (2) Electrodes, and transformers for heating glass melting furnaces. (3) Glass melting furnaces; oil and gas burners; electrical equipment for heating glass melting furnaces. (4) Feeders, channels and processing tanks made of refractory and/or ceramic material for the melting and display of fluid glass. (1) Construction and building of glass melting furnaces and related apparatus (machines) for the production of container glass. (2) Technological planning of glass melting furnaces and related apparatus (machines) for the production of container glass.