A temperature-responsive separation membrane and a preparation method therefor. The temperature-responsive separation membrane comprises the following components in parts by weight: 12-20 parts of a polymer membrane material, 60-85 parts of a polar solvent, 0.5-2 parts of a temperature control reagent, 6-10 parts of a polymer pore-forming agent and 0.5-2 parts of an additive. The preparation process for the membrane is simple, continuous, makes it easy to achieve industrialization, convenient in terms of operation and easy to control, and saves on energy consumption and reduces costs; in addition, the prepared temperature-responsive separation membrane can respond to the temperature of a separation liquid.
A device and method for accurately treating sewage. The device comprises an active primary sedimentation tank (1), an anaerobic tank (2), an anoxic tank (3), an aerobic tank (4), and a secondary sedimentation tank (5), which are sequentially connected, wherein a water inlet pipeline (6) is connected to an inlet end of the active primary sedimentation tank (1), one first treatment region (9) and at least one second treatment region (10) are sequentially arranged in the anaerobic tank (2) from front to back, and one first secondary sedimentation region (11), at least one second secondary sedimentation region (12), and one third secondary sedimentation region (13) are sequentially arranged in the secondary sedimentation tank (5) from front to back; and a first backflow pipeline (14), a second backflow pipeline (15), and a third backflow pipeline (16), wherein two ends of the first backflow pipeline (14) are connected to the first secondary sedimentation region (11) and the first treatment region (9), respectively, two ends of the second backflow pipeline (15) are connected to the second secondary sedimentation region (12) and the second treatment region (10) close to the first treatment region (9), and two ends of the third backflow pipeline (16) are connected to the third secondary sedimentation region (13) and the water inlet pipeline (6), respectively. The present invention solves the problems of poor sludge settleability and low nitrogen and phosphorus removal efficiency.
A rapid granular sludge cultivation apparatus and a method for a continuous flow anaerobic ammonium oxidation denitrification process. The apparatus comprises: a raw water tank (1), a chemical dosing tank (2), a bioreaction pool (3) and a secondary sedimentation pool (4); the bioreaction pool (3) is provided with a built-in sedimentation three-phase separation pool (3.8) and blank filler material (3.3). The apparatus can utilize low DO, FA and FNA inhibition to achieve shortcut nitrification of ammonia nitrogen in high ammonia and nitrogen wastewater; in addition, the gradient change of ammonia and nitrogen concentration in each compartment and the continuous circulation sludge are strengthened, so that the shortcut nitrification reaction can be stably maintained, shortcut nitrification efficiency is enhanced, and the resistance of the system to low-temperature shock is improved. In addition, the bioreaction pool (3) is provided with the built-in sedimentation three-phase separation tank (3.8), and by means of configuring different surface loads and upflow velocities, gas-liquid-solid three-phase separation in each compartment can be achieved, and large granular sludge can be effectively retained while flocculent sludge is washed out, achieving the effect of sludge screening. The apparatus can achieve efficient nitrogen removal and relatively rapid formation of anaerobic ammonium oxidation granular sludge.
The present invention relates to the technical field of dewatering, and provides a method for conditioning and deeply dewatering co-digested sludge by means of bubble stripping-carbon adsorption, which method is used for removing water contained in a mixture obtained after anaerobic co-digestion of pyrohydrolysis sludge and garbage. The dewatering method comprises: adding an inorganic agent to the mixture for a reaction with a protein component in the mixture, wherein generated protein foam is used for stripping grease on the surface of sludge; adding an oil absorbing agent to the mixture from which grease has been removed, so as to adsorb the grease; adding a flocculating agent to the mixture that has been subjected to grease adsorption, and performing convergent flocculation on sludge flocs; and putting the flocculated mixture into a mechanical dewatering device, and performing filter pressing on the mixture. After the sludge is conditioned by using the dewatering method, the binding capacity of the grease and the sludge is reduced, the hydrophobicity of the sludge is improved, and the strength of the floc sludge is enhanced, thereby improving the pressing effect, and achieving the requirements of deep dewatering.
C02F 11/147 - Traitement des boues d'égoutDispositifs à cet effet par déshydratation, séchage ou épaississement avec addition de produits chimiques utilisant des substances organiques
C02F 11/122 - Traitement des boues d'égoutDispositifs à cet effet par déshydratation, séchage ou épaississement par déshydratation mécanique à l’aide de filtres-presses
C02F 11/00 - Traitement des boues d'égoutDispositifs à cet effet
5.
METHOD FOR CONDITIONING ADVANCED ANAEROBIC DIGESTION SLUDGE BY DEEP DEHYDRATION BASED ON PARTICLE SIZE CONTROL, USE THEREOF AND FLOC PARTICLE
A method for conditioning advanced anaerobic digestion sludge by deep dehydration based on particle size control, the use thereof and a floc particle. The method for conditioning advanced anaerobic digestion sludge by deep dehydration comprises: (1) uniformly mixing advanced anaerobic digestion sludge with a first cationic organic flocculant to obtain non-hard muddy flocculated particles; (2) uniformly mixing the muddy flocculated particles with aggregate; (3) uniformly mixing the resulting mixture with inorganic agent; (4) adjusting the particle size of the floc particles using second organic flocculant; and (5) performing plate-frame dehydration so as to reduce the moisture content to 60% or less. In the method, by means of the combination of organic flocculation nucleation with a particle size skeleton, the use amount of the inorganic agent is effectively reduced, such that the conductivity of the mud cake is reduced, facilitating the landscaping utilization, incineration disposal etc., of the dehydrated mud cake.
C02F 9/00 - Traitement en plusieurs étapes de l'eau, des eaux résiduaires ou des eaux d'égout
C02F 11/122 - Traitement des boues d'égoutDispositifs à cet effet par déshydratation, séchage ou épaississement par déshydratation mécanique à l’aide de filtres-presses
C02F 11/143 - Traitement des boues d'égoutDispositifs à cet effet par déshydratation, séchage ou épaississement avec addition de produits chimiques utilisant des substances inorganiques
C02F 11/147 - Traitement des boues d'égoutDispositifs à cet effet par déshydratation, séchage ou épaississement avec addition de produits chimiques utilisant des substances organiques
6.
SLUDGE AND KITCHEN WASTE COLLABORATIVE DIGESTION PROCESS COUPLED WITH INTERMEDIATE THERMAL HYDROLYSIS
The present disclosure belongs to the technical field of sludge treatment, and discloses a sludge and kitchen waste collaborative digestion process coupled with intermediate thermal hydrolysis. The collaborative digestion process includes: 1) screening and slurrying kitchen waste, and desanding and deslagging primary sludge; 2) mixing the kitchen waste and the primary sludge, and carrying out first-stage collaborative anaerobic digestion on the mixture; 3) mixing the first-stage collaborative anaerobic digestion product with residual activated sludge, and carrying out centrifugal dehydration; 4) carrying out thermal hydrolysis on the dehydrated sludge cake; 5) desanding the thermally-hydrolyzed sludge; 6) diluting the desanded thermally-hydrolyzed sludge followed by heat exchange; 7) carrying out second-stage anaerobic digestion; 8) carrying out plate-frame dehydration; 9) carrying out anaerobic ammonia oxidation on the filtrates; and 10) compounding sludge cake nutrients to produce organic nutrient soil. In the present disclosure, good complementarity of sludge and kitchen waste in terms of material properties is fully utilized, configuration of thermal hydrolysis is optimized, generation of non-degradable substances is reduced, and investment on thermal hydrolysis is reduced. A biogas yield and a biogas output are improved, and energy self-sufficiency of a sewage treatment plant is realized on the basis of a centralized treatment method of regional organic solid waste.
C02F 11/04 - Traitement anaérobieProduction du méthane par de tels procédés
C02F 11/122 - Traitement des boues d'égoutDispositifs à cet effet par déshydratation, séchage ou épaississement par déshydratation mécanique à l’aide de filtres-presses
C02F 11/127 - Traitement des boues d'égoutDispositifs à cet effet par déshydratation, séchage ou épaississement par déshydratation mécanique par centrifugation
7.
BIDIRECTIONAL FLOW PULSE-BASED WATER BODY PHOSPHORUS REMOVAL APPARATUS AND METHOD, AND ORGANIC NUTRIENT SOIL
A bidirectional flow pulse-based water body phosphorus removal apparatus and a method, and an organic nutrient soil. The water body phosphorus removal apparatus includes: a prefiltration unit, a bidirectional flow phosphorus removal filtration pool, a bidirectional water collection and distribution system, a filtration pool stratified gas pulse system, a water production tank and a control system. A filtration layer filled with a phosphorus removal filtration material is provided in the bidirectional flow phosphorus removal filtration pool. The control system is used for controlling the bidirectional water collection and distribution system to alternately perform upward water in-and-out flow and downward water in-and-out flow on the bidirectional flow phosphorus removal filtration pool, so as to control the bidirectional flow phosphorus removal filtration pool to switch between an upward flow filtration adsorption mode for phosphorus removal and a downward flow filtration adsorption mode for phosphorus removal.
The present disclosure belongs to the technical field of wastewater treatment, and discloses an electrochemical nitrogen and phosphorus removal device and a method. The device includes a three-dimensional electro-catalytic oxidation unit reactor, a three-dimensional electro-biological coupling unit reactor, a light filter material filter unit reactor and a three-dimensional electro-flocculation phosphorus removal unit reactor; a main water inlet pipe, the three-dimensional electro-catalytic oxidation unit reactor, the three-dimensional electro-biological coupling unit reactor and the light filter material filter unit reactor are sequentially connected; a water outlet pipe of the light filter material filter unit reactor is connected to both a main water outlet pipe and a water inlet pipe of the three-dimensional electro-flocculation phosphorus removal unit reactor; and a water outlet pipe of the three-dimensional electro-flocculation phosphorus removal unit reactor is connected to a water inlet pipe of the light filter material filter unit reactor through a reflux pump and a check valve. An aeration pipe and a blow-down pipe are provided at bottoms of tanks of the reactors, respectively. The present disclosure can achieve the purpose of efficient sewage treatment by means of the combined action of electrochemical flocculation, electro-catalytic oxidation and electro-active microorganisms. The device and the method have the advantages of high nitrogen and phosphorus removal efficiency and the like.
The present disclosure belongs to the technical field of sewage treatment, and discloses a method and system for enhanced culture of aerobic granular sludge. The system includes a reaction tank, a water inlet and outlet unit, an aeration unit, and a sludge discharge unit. The water inlet and outlet unit includes a water inlet pump, a water inlet electric valve, a liquid flowmeter, a sewage uniform distribution treatment device, buffers, a water drainage pipe, and a water drainage electric valve. The aeration unit includes a blower, microporous aerators, and a gas flowmeter. The sludge discharge unit includes sludge discharge pumps, a sludge discharge pipe, a sludge discharge electric valve, and a sludge concentration meter. In the present disclosure, a multi-point uniform water distribution method is used. When the flow rate of influent water is adjusted, sewage slowly and uniformly flows through a sludge layer from the bottom of the system, so that the concentration of organic matter in raw water is prevented from being rapidly reduced by rapid single-point water intake, the utilization rate of the organic matter in the sewage is increased to the maximum extent, and the efficiency of the system is improved.
The present invention belongs to the technical field of sewage denitrification. Disclosed are a sewage treatment system and method of continuous flow step-feed short-cut denitrification-anaerobic ammonia oxidation coupled with denitrification. The system comprises a primary sedimentation tank, a bioreactor and a secondary sedimentation tank, which are connected in sequence, wherein the bioreactor comprises a pre-starvation zone, a first hypoxic zone, a first aerobic zone, a second hypoxic zone and a second aerobic zone; an agitator is arranged in each of the pre-starvation zone, the first hypoxic zone and the second hypoxic zone; an aeration device is arranged in both the first aerobic zone and the second aerobic zone; a polyurethane sponge filler is arranged in both the first hypoxic zone and the second hypoxic zone; and a nitrification liquid reflux pump is arranged between the first aerobic zone and the pre-starvation zone. By rationally utilizing a carbon source of raw sewage, the present invention develops a sewage denitrification system and a process control method which have the advantages of an efficient denitrification effect, a simple procedure flow, being convenient in terms of operation and maintenance, and being automated and intelligent.
The present invention belongs to the technical field of sludge treatment, and discloses a sludge and kitchen collaborative digestion process coupled with intermediate thermal hydrolysis. The collaborative digestion process comprises: 1) screening and slurrying kitchen waste, and desanding and deslagging a primary sludge; (2) mixing the kitchen waste and the primary sludge, and subjecting same to first-stage collaborative anaerobic digestion; (3) mixing the first-stage collaborative anaerobic digestion product with the residual activated sludge, and then subjecting same to centrifugal dehydration; 4) subjecting the dehydrated mud cake to thermal hydrolysis; 5) subjecting the thermal-hydrolyzed sludge to a desanding treatment; 6) diluting same followed by heat exchange; (7) second-stage anaerobic digestion; 8) plate-frame dehydration; 9) subjecting the filtrate to an anaerobic ammonia oxidation treatment; and 10) compounding mud cake nutrients to produce organic nutrient soil. In the present invention, the good complementarity of sludge and kitchen in terms of material properties is fully utilized, the thermal hydrolysis configuration is optimized, the generation of hardly-degradable substances is reduced, and the investment on thermal hydrolysis is saved on; the biogas yield and the biogas output are improved, and energy self-sufficiency of a sewage treatment plant is realized on the basis of the centralized treatment method of regional organic solid waste.
C02F 11/04 - Traitement anaérobieProduction du méthane par de tels procédés
C02F 11/122 - Traitement des boues d'égoutDispositifs à cet effet par déshydratation, séchage ou épaississement par déshydratation mécanique à l’aide de filtres-presses
C02F 11/18 - Traitement des boues d'égoutDispositifs à cet effet par conditionnement thermique
C02F 11/00 - Traitement des boues d'égoutDispositifs à cet effet
B09B 3/00 - Destruction de déchets solides ou transformation de déchets solides en quelque chose d'utile ou d'inoffensif
12.
METHOD FOR CONDITIONING ADVANCED ANAEROBIC DIGESTION SLUDGE BY DEEP DEHYDRATION BASED ON PARTICLE SIZE CONTROL, USE THEREOF AND FLOC PARTICLE
A method for conditioning advanced anaerobic digestion sludge by deep dehydration based on particle size control, the use thereof and a floc particle. The method for conditioning advanced anaerobic digestion sludge by deep dehydration comprises: (1) uniformly mixing advanced anaerobic digestion sludge with a first cation organic flocculant to obtain non-hard muddy flocculation particles; (2) uniformly mixing the muddy flocculation particles with an aggregate; (3) uniformly mixing the resulting mixture with an inorganic agent; (4) adjusting the particle size of the floc particles by using a second organic flocculant; and (5) plate-frame dehydration so as to reduce the water content to 60% or less. In the method, by means of the combination of organic flocculation nucleation with a particle size skeleton, the amount of the inorganic agent is effectively reduced, such that the conductivity of the mud cake is reduced, facilitating the landscaping utilization, incineration disposal etc., of the dehydrated mud cake.
C02F 11/147 - Traitement des boues d'égoutDispositifs à cet effet par déshydratation, séchage ou épaississement avec addition de produits chimiques utilisant des substances organiques
C02F 11/143 - Traitement des boues d'égoutDispositifs à cet effet par déshydratation, séchage ou épaississement avec addition de produits chimiques utilisant des substances inorganiques
C02F 11/122 - Traitement des boues d'égoutDispositifs à cet effet par déshydratation, séchage ou épaississement par déshydratation mécanique à l’aide de filtres-presses
The present invention belongs to the technical field of sewage treatment, and relates to a bidirectional flow pulse-based water body phosphorous-removal apparatus and method, and an organic nutrient soil. The water body phosphorous-removal apparatus comprises: a prefiltration unit, a bidirectional flow phosphorous-removal filtration pool, a bidirectional water collection and distribution system, a filtration pool stratified gas pulse system, a water production tank, and a control system. A filtration layer filled with a phosphorous-removal filtration material is provided in the bidirectional flow phosphorous-removal filtration pool. The control system is used to control the bidirectional water collection and distribution system to alternatingly perform water upward in-and-out flow and water downward in-and-out flow on the bidirectional flow phosphorous-removal filtration pool. Therefore, the bidirectional flow phosphorous-removal filtration pool is controlled to switch between an upward flow filtration adsorption mode for phosphorous removal and a downward flow filtration adsorption mode for phosphorous removal. The control system is used for controlling the filtration pool stratified gas pulse system to perform stratified pulse gas flushing on the filtration layer. The water body phosphorous-removal apparatus can prevent the filtration layer from being blocked and hardened. Furthermore, the adsorption capacity of the filtration material at the lower part of the filtration layer can be fully utilized, thereby increasing the phosphorus adsorption efficiency.
The present invention relates to the technical field of sewage treatment. Disclosed are a method and system for strengthening aerobic granular sludge culture. The system comprises a reaction tank, a water inlet and outlet unit, an aeration unit, and a sludge discharge unit, wherein the water inlet and outlet unit comprises a water inlet pump, a water inlet electric valve, a fluid flowmeter, a sewage uniform distribution and treatment apparatus, a buffer, a drain pipe, and a drainage electric valve; the aeration unit comprises a blower, a microporous aerator, and a gas flowmeter; and the sludge discharge unit comprises a sludge discharge pump, a sludge discharge pipe, a sludge discharge electric valve, and a sludge concentration meter. According to the present invention, a multi-point uniform water distribution mode is used, such that sewage flows through a sludge layer slowly and uniformly from the bottom of the system by adjusting a water inlet flow speed, rapid dilution of the concentration of organic matters in raw water caused by single-point rapid water inflow is avoided, the utilization rate of the organic matters in the sewage is increased to the maximum extent, and the efficiency of the system is improved.
An online model water quality conversion method and system, an electronic device, and a medium. The method can comprise: determining the type of online real-time data (101); establishing a conversion formula of calculation data and the online real-time data (102); obtaining water quality data over the years, determining the conversion-related parameters of the conversion formula, and establishing a water quality data conversion model (103); and substituting the online real-time data obtained by means of real-time measurement into the water quality data conversion model, and performing real-time conversion to obtain the calculation data (104). According to the method, the online monitoring data indexes are converted into the inlet water components required by the model, so that a sewage treatment plant model can be directly operated to serve as an input source of an online simulation model, and a foundation is laid for subsequent simulation of the water quality of outlet water.
G16C 20/00 - Chémo-informatique, c.-à-d. TIC spécialement adaptées au maniement des données physicochimiques ou structurelles des particules, des éléments, des composés ou des mélanges chimiques
16.
CONTINUOUS FLOW STEP-FEED SHORT-CUT DENITRIFICATION - ANAEROBIC AMMONIUM OXIDATION COUPLED DENITRIFICATION SEWAGE TREATMENT SYSTEM AND METHOD
The present invention belongs to the technical field of sewage denitrification. Disclosed are a continuous flow step-feed short-cut denitrification - anaerobic ammonium oxidation coupled denitrification sewage treatment system and method. The system comprises a primary sedimentation tank, a bioreactor and a secondary sedimentation tank, which are connected in sequence, wherein the bioreactor comprises a pre-starvation zone, a first anoxic zone, a first aerobic zone, a second anoxic zone and a second aerobic zone; an agitator is arranged in each of the pre-starvation zone, the first anoxic zone and the second anoxic zone; an aeration device is arranged in both the first aerobic zone and the second aerobic zone; a polyurethane sponge filler is arranged in both the first anoxic zone and the second anoxic zone; and a nitrification liquid reflux pump is arranged between the first aerobic zone and the pre-starvation zone. By rationally utilizing a carbon source of raw sewage, the present invention develops a sewage denitrification device and a process control method which have the advantages of an efficient denitrification effect, a simple procedure flow, being convenient in terms of operation and maintenance, and being automated and intelligent.
The present invention relates to the technical field of wastewater treatment, and an electrochemical nitrogen and phosphorus removal device and method are disclosed. The device comprises a three-dimensional electro-catalytic oxidation unit reactor, a three-dimensional electro-biological coupling unit reactor, a light filter material filter unit reactor and a three-dimensional electro-flocculation phosphorus removal unit reactor, wherein a main water inlet pipe, the three-dimensional electro-catalytic oxidation unit reactor, the three-dimensional electro-biological coupling unit reactor and the light filter material filter unit reactor are sequentially connected, a water outlet pipe of the light filter material filter unit reactor is connected to both a general water outlet pipe and a water inlet pipe of the three-dimensional electro-flocculation phosphorus removal unit reactor, and a water outlet pipe of the three-dimensional electric-flocculation phosphorus removal unit reactor is connected to a water inlet pipe of the light filter material filter unit reactor by means of a reflux pump and a check valve. An aeration pipe and a blow-down pipe are provided at the bottom of a tank of each reactor. According to the present invention, the aim of efficient sewage treatment can be achieved by means of the combined action of electro-chemical flocculation, electro-catalytic oxidation and electro-active microorganisms, and the advantage of high nitrogen and phosphorus removal efficiency etc. is achieved.
The present disclosure relates to a bacterium-alga coupled sewage treatment device based on energy recycling and a use method thereof. The device comprises a pretreatment device, a photobioreactor, an alga separation apparatus, a continuous flow bioreactor and a secondary sedimentation tank which are sequentially connected in order, the pretreatment device being connected to a municipal sewage inlet pipe, the photobioreactor being connected to a carbon dioxide gas charging device through a gas filling pipeline, one part of a sludge thickening tank being connected to the secondary sedimentation tank, the other part thereof being connected to remaining sludge of the pretreatment device, carbon dioxide generated from the sludge which flows through the thickening tank and is thermally-hydrolyzed and anaerobically-acidified being connected to the photobioreactor through a gas inlet pipeline, and the alga separation apparatus being further connected to a filter press. The present disclosure has the advantages of a rational structural design, reliable and stable operation, a low operation and maintenance cost and high automaticity and intelligence, and being suitable for the use and transformation requirements of a wide range of sewage treatment plants, etc.
C02F 3/32 - Traitement biologique de l'eau, des eaux résiduaires ou des eaux d'égout caractérisé par les animaux ou végétaux utilisés, p. ex. les algues
C02F 1/00 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout
A sewage uniform distribution treatment device for an aerobic granular sludge system and a use method therefor, the device comprising a reactor tank body (1), a water inlet device (2), and a water outlet device (3). The water inlet device (2) comprises a water inlet inner channel (4), a water inlet weir (5), a water inlet outer channel (6), a vertical water inlet branch pipe (7), and vertical bell mouths (8); the water outlet device (3) comprises a water outlet main pipe (9), a water outlet channel (10), a water outlet weir (11), an outer baffle plate (12), and an inner baffle plate (13); the water outlet channel is connected to the water outlet main pipe; the outer baffle plate is a vertical baffle plate; the inner baffle plate is located at the bottom of the water outlet channel and is connected to the water outlet channel.
The present invention relates to a bacteria-algae coupling sewage treatment device based on energy recycling, and a method for using same. The device comprises a pretreatment device, a photobioreactor, an algae separation apparatus, a continuous flow bioreactor and a secondary sedimentation tank, which are sequentially connected, wherein the pretreatment device is connected to a municipal sewage inlet pipe; the photobioreactor is connected to a carbon dioxide gas filling device by means of a gas filling pipeline; one part of a sludge concentration tank is connected to the secondary sedimentation tank, and another part thereof is connected to residual sludge of the pretreatment device; carbon dioxide generated after sludge in the sludge concentration tank is subjected to thermal hydrolysis and an anaerobic acidification treatment is connected to the photobioreactor by means of a gas inlet pipeline; and the algae separation apparatus is also connected to a filter press. The present invention has the advantages of being reasonable in terms of structural design, being reliable and stable in terms of operation, having a low operation and maintenance cost and a high degree of automation and intellectualization, being suitable for usage and transformation requirements of vast sewage treatment plants, etc.
C02F 9/14 - Traitement en plusieurs étapes de l'eau, des eaux résiduaires ou des eaux d'égout une étape au moins étant un traitement biologique
C02F 3/32 - Traitement biologique de l'eau, des eaux résiduaires ou des eaux d'égout caractérisé par les animaux ou végétaux utilisés, p. ex. les algues
21.
Anaerobic ammoxidation synergistic nitrogen removal process device of municipal sewage main and side streams and application method thereof
Provided are an anaerobic ammoxidation synergistic nitrogen removal process device of municipal sewage main and side streams and an application method thereof, comprising a municipal sewage raw water tank (1), a biological reaction pool (2), a secondary sedimentation pool (3), a sludge digestion solution raw water tank (4) and a sludge digestion solution AOB strengthening pool (5); wherein, the municipal sewage raw water tank (1) is connected with a water inlet valve (2.2) of the biological reaction pool (2) through a water inlet pump (2.1) of the biological reaction pool (2); the biological reaction pool (2) is connected with the secondary sedimentation pool (3) through a secondary sedimentation pool connection pipe (3.3); the sludge digestion solution raw water tank (4) is connected with a water outlet valve (4.1) of the sludge digestion solution raw water tank (4) through a water inlet pump (4.2) of the sludge digestion solution raw water tank (4); the sludge digestion solution AOB strengthening pool (5) is connected with an anaerobic ammoxidation region compartment of the biological reaction pool through a sludge-water mixture reflux pipe (5.8) and a sludge-water mixture reflux pump (5.11). It has the advantages of reasonability in structure design, convenience in operation, low running and maintenance cost, relatively low energy consumption, no need of an additional carbon source and the like, it can realize that short distance nitrification of municipal sewage is more stable, and it is high in low-temperature, water quantity and water quality shock resistance and can further increase volumetric load at the same time.
Provided are an anaerobic ammoxidation synergistic nitrogen removal process device of municipal sewage main and side streams and an application method thereof, comprising a municipal sewage raw water tank (1), a biological reaction pool (2), a secondary sedimentation pool (3), a sludge digestion solution raw water tank (4) and a sludge digestion solution AOB strengthening pool (5); wherein, the municipal sewage raw water tank (1) is connected with a water inlet valve (2.2) of the biological reaction pool (2) through a water inlet pump (2.1) of the biological reaction pool (2); the biological reaction pool (2) is connected with the secondary sedimentation pool (3) through a secondary sedimentation pool connection pipe (3.3); the sludge digestion solution raw water tank (4) is connected with a water outlet valve (4.1) of the sludge digestion solution raw water tank (4) through a water inlet pump (4.2) of the sludge digestion solution raw water tank (4); the sludge digestion solution AOB strengthening pool (5) is connected with an anaerobic ammoxidation region compartment of the biological reaction pool through a sludge-water mixture reflux pipe (5.8) and a sludge-water mixture reflux pump (5.11). It has the advantages of reasonability in structure design, convenience in operation, low running and maintenance cost, relatively low energy consumption, no need of an additional carbon source and the like, it can realize that short distance nitrification of municipal sewage is more stable, and it is high in low-temperature, water quantity and water quality shock resistance and can further increase volumetric load at the same time.
A sewage uniform distribution treatment device for an aerobic granular sludge system and a use method therefor, comprising a reactor tank body (1), a water inlet device (2), and a water outlet device (3). The water inlet device (2) comprises a water inlet inner channel (4), a water inlet weir (5), a water inlet outer channel (6), a vertical water inlet branch pipe (7), and vertical bell mouths (8); the water inlet weir (5) is located at the top of the water inlet inner channel (4) and is connected to the water inlet inner channel (4); the vertical water inlet branch pipe (7) is vertically provided in the reactor tank body (1), and the upper and lower ends of the vertical water inlet branch pipe (7) are respectively connected to the water inlet outer channel (6) and the vertical bell mouths (8); the water outlet device (3) comprises a water outlet main pipe (9), a water outlet channel (10), a water outlet weir (11), an outer baffle plate (12), and an inner baffle plate (13); the water outlet channel (10) is connected to the water outlet main pipe (9); the outer baffle plate (12) is a vertical baffle plate; the inner baffle plate (13) is located at the bottom of the water outlet channel (10) and is connected to the water outlet channel (10); the inner baffle plate (13) and the water outlet channel (10) are provided at a certain included angle. The device has the advantages of being reasonable in structural design, convenient to operate and use, low in running energy consumption, low in later maintenance costs, and high in automation and intelligence degree, and can realize an ideal contact effect between organic matters and sludge.
brevets
