CN211813681U - Biological membrane blanket sewage treatment container - Google Patents
Biological membrane blanket sewage treatment container Download PDFInfo
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- CN211813681U CN211813681U CN202020141388.8U CN202020141388U CN211813681U CN 211813681 U CN211813681 U CN 211813681U CN 202020141388 U CN202020141388 U CN 202020141388U CN 211813681 U CN211813681 U CN 211813681U
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Abstract
A biomembrane blanket sewage treatment container relates to the technical field of sewage treatment, in particular to a biomembrane blanket sewage treatment container. The utility model provides a biomembrane blanket sewage treatment container through throwing a biomembrane blanket filler in the reactor according to standard specification container design, improves biomass and biological species in the reactor to improve sewage treatment efficiency. A biomembrane blanket sewage treatment container comprises an anaerobic zone, an anoxic zone, an aerobic zone, a precipitation zone, a filtering zone and an equipment room, wherein the anaerobic zone is communicated with the anoxic zone, the water outlet end of the anoxic zone is communicated with the aerobic zone, and the precipitation zone and the filtering zone are arranged on one side in the aerobic zone. The utility model discloses can obtain a biomembrane blanket sewage treatment container.
Description
Technical Field
The utility model relates to a sewage treatment technical field, concretely relates to biomembrane blanket sewage treatment container.
Background
The MBBR (moving Bed Biofilm reactor) process increases the biomass and the biological species in the reactor by adding a certain amount of suspension carriers into the reactor, thereby improving the treatment efficiency of the reactor. As the density of the filler is close to that of water, the filler is completely mixed with the water during aeration, and the environment for the growth of microorganisms is three phases of gas, liquid and solid. The collision and shearing action of the carrier in water makes air bubbles finer, and the utilization rate of oxygen is increased. At present, the existing MBBR sewage treatment device has long hydraulic retention time and large occupied area due to structural design, so that the investment cost is higher, and the construction and development of the MBBR process are delayed. Meanwhile, the backflow mixed liquor of the MBBR sewage treatment device easily enters the anaerobic tank, nitrate in the backflow mixed liquor can destroy the anaerobic state of the anaerobic tank, and the dephosphorization efficiency and the water purification effect of the system are affected, so that the existing MBBR sewage treatment device needs to be improved to solve the existing technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a biomembrane blanket sewage treatment container through throwing a biomembrane blanket filler in the reactor according to standard specification container design, improves biomass and biological species in the reactor to improve sewage treatment efficiency.
A biomembrane blanket sewage treatment container comprises an anaerobic zone, an anoxic zone, an aerobic zone, a precipitation zone, a filtering zone and a device room, wherein the anaerobic zone is communicated with the anoxic zone, the water outlet end of the anoxic zone is communicated with the aerobic zone, and one side in the aerobic zone is provided with the precipitation zone and the filtering zone; the anaerobic zone is internally provided with a plurality of anaerobic zone baffle plates, the anoxic zone is internally provided with a plurality of anoxic zone baffle plates, the bottom of the aerobic zone is provided with a plurality of aerobic zone microporous aerators, the anaerobic zone, the anoxic zone and the aerobic zone are respectively provided with a plurality of biomembrane blanket fillers, one side of the settling zone is provided with an energy dissipation zone, the other side of the settling zone is provided with a water outlet weir, and the water outlet end of the water outlet weir is communicated with a water outlet pipe; the device is characterized in that a polyurethane filter layer is arranged in the filtering area, a plurality of filtering area microporous aerators are arranged at the bottom of the filtering area, two air blowers are arranged in the equipment room, one air blower is respectively communicated with an aerobic area microporous aerator in the aerobic area and a filtering area microporous aerator in the filtering area, the other air blower is communicated with an air stripping pipe, the air stripping pipe is communicated with the bottom of the settling area, the settling area is provided with a settling area sludge air stripping return pipe, the water outlet end of the settling area sludge air stripping return pipe is communicated with the water inlet of the water distribution channel, the anoxic area sludge air stripping return pipe is communicated with the anoxic area, the water outlet end of the anoxic area sludge air stripping return pipe is communicated with the water distribution channel, the water inlet end of the mixed liquid air stripping return pipe is communicated with the aerobic area, and the water outlet end of the mixed liquid.
The utility model has the advantages that:
(1) the utility model relates to a biomembrane blanket sewage treatment container, which improves the biomass and the biological species in a reactor by adding a biomembrane blanket filler in the reactor designed according to a standard container, thereby improving the sewage treatment efficiency, and is a standardized sewage treatment container which is also a decentralized sewage treatment integrated device capable of standardizing, instrumenting and modularizing the MBBR sewage treatment process;
(2) the utility model aims at combining the advantages of the MBBR process, providing an MBBR sewage treatment container which adopts biofilm blanket packing, is of standardized design, is of equipment, is modular, can be produced in batch, saves space and investment cost, realizes the matching with water quantity scale by controlling the quantity of the containers, further realizes the standardization and operation standardization of decentralized sewage treatment facility construction, and has more excellent water purification effect;
(3) the utility model discloses a contrast with the single A2/O technology of actual sewage treatment plant operation, the utility model discloses the reactor has great promotion to the effect of getting rid of the pollutant, wherein all has fine effect to COD, total nitrogen, goes out water COD below 30mg/L (with real life sewage, 120m3The treatment scale is taken as an example), and the total nitrogen is below 12 mg/L; the removal effect of TN and COD is better than the treatment effect of the single A2/O process operated by the actual sewage treatment plant;
(4) the utility model discloses, because the mixed liquid backward flow of backward flow is to the oxygen deficiency pond, can prevent that nitrate nitrogen from getting into the anaerobism pond, destroy the anaerobic state in anaerobism pond and influence the dephosphorization efficiency and the effect of system. Meanwhile, nitrate reacts with organic matters in anaerobic incoming water rapidly to perform denitrification, synchronous nitrogen and phosphorus removal is realized, and particularly when the carbon-nitrogen ratio of the treated sewage is less than 4:1, biological nitrogen removal treatment can be performed efficiently and economically by operating the biological membrane blanket sewage treatment process;
(5) the utility model discloses carry out sewage treatment in the container, can practice thrift space and investment cost to can realize the quick construction and the high-efficient operation of dispersion sewage factory, go out water quality of water good and move stably.
The utility model discloses can obtain a biomembrane blanket sewage treatment container.
Drawings
FIG. 1 is a schematic structural view of a sewage treatment container with a biofilm blanket according to an embodiment;
FIG. 2 is a top view of an embodiment of a bio-membrane blanket sewage treatment container;
FIG. 3 is a left side view of the sewage treatment container of the biofilm blanket of the embodiment;
FIG. 4 is a test chart of COD removal effect of the biofilm blanket sewage treatment container of the example, wherein ■ represents an inflow test value and ● represents an outflow test value;
fig. 5 is a test chart of the total nitrogen removal effect of the biofilm blanket sewage treatment container in the example, wherein ■ represents a water inlet test value, and ● represents a water outlet test value.
Wherein, 1 is an anaerobic zone, 2 is an anoxic zone, 3 is an aerobic zone, 4 is a precipitation zone, 5 is a filtering zone, 6 is an equipment room, 11 is a water inlet pipe, 12-1 is a baffle plate of the anaerobic zone, 12-2 is a baffle plate of the anoxic zone, 13 is a microporous aerator of the aerobic zone, 14 is an energy dissipation zone, 15 is a water outlet weir, 16 is a sludge gas stripping return pipe of the precipitation zone, 17 is a mixed liquid gas stripping return pipe, 18 is a water distribution channel, 19 is a water outlet pipe, 20 is a sludge discharge pipe, 21 is a fixed circular pipe, 22 is a gas stripping pipe, 23 is a biomembrane blanket filler, and 24 is a sludge gas stripping return pipe of the anoxic zone.
Detailed Description
The first embodiment is as follows: the biomembrane blanket sewage treatment container comprises an anaerobic zone 1, an anoxic zone 2, an aerobic zone 3, a precipitation zone 4, a filtering zone 5 and an equipment room 6, wherein the anaerobic zone 1 is communicated with the anoxic zone 2, the water outlet end of the anoxic zone 2 is communicated with the aerobic zone 3, and the precipitation zone 4 and the filtering zone 5 are arranged on one side in the aerobic zone 3; a water inlet pipe 11 is arranged at the corner of the anaerobic zone 1, the water inlet pipe 11 is communicated with a water inlet of a water distribution channel 18, a water outlet of the water distribution channel 18 is communicated with the anaerobic zone 1, a plurality of anaerobic zone baffle plates 12-1 are arranged in the anaerobic zone 1, a plurality of anoxic zone baffle plates 12-2 are arranged in the anoxic zone 2, a plurality of aerobic zone microporous aerators 13 are arranged at the bottom of the aerobic zone 3, a plurality of biomembrane blanket fillers 23 are arranged in the anaerobic zone 1, the anoxic zone 2 and the aerobic zone 3, an energy dissipation zone 14 is arranged at one side of the settling zone 4, a water outlet weir 15 is arranged at the other side of the settling zone 4, and the water outlet end of the water outlet weir 15 is communicated with a water outlet pipe 19; a polyurethane filter layer is arranged in the filtering area 5, a plurality of filtering area microporous aerators are arranged at the bottom of the filtering area 5, two blowers are arranged in the equipment room 6, one blower is respectively communicated with the aerobic zone microporous aerator 13 in the aerobic zone 3 and the filtering zone microporous aerator in the filtering zone 5, the other blower is communicated with the air stripping pipe 22, the gas stripping pipe 22 is introduced into the bottom of the settling zone 4, the settling zone 4 is provided with a settling zone sludge gas stripping return pipe 16, the water outlet end of the sludge gas stripping return pipe 16 in the settling zone is communicated with the water inlet of the water distribution channel 18, the sludge gas stripping return pipe 24 in the anoxic zone is communicated with the anoxic zone 2, the water outlet end of the sludge gas stripping return pipe 24 in the anoxic zone is communicated with the water distribution channel 18, the water inlet end of the mixed liquid gas stripping return pipe 17 is communicated with the aerobic zone 3, and the water outlet end of the mixed liquid gas stripping return pipe 17 is communicated with the anoxic zone 2.
The beneficial effects of the embodiment are as follows:
(1) in the biofilm blanket sewage treatment container of the embodiment, the biofilm blanket filler 23 is added into the reactor designed according to the standard specification container, so that the biomass and the biological species in the reactor are improved, the sewage treatment efficiency is improved, and the standardized sewage treatment container is also a dispersive sewage treatment integrated device which can standardize, equipmentize and modularize the MBBR sewage treatment process;
(2) the purpose of the embodiment is to combine the advantages of the MBBR process, provide an MBBR sewage treatment container which adopts the biofilm blanket filler 23, is in standardized design, is equipment-based, is modularized, can be produced in batch, saves space and investment cost, realizes the matching with water quantity scale by controlling the number of the containers, further realizes the standardization of decentralized sewage treatment facility construction and operation standardization, and has more excellent water purification effect;
(3) this embodiment is through comparing with the single A2/O technology of actual sewage treatment plant operation, and this embodiment reactor has great promotion to the effect of getting rid of the pollutant, wherein all has fine effect to COD, total nitrogen, goes out water COD and is below 30mg/L (with actual domestic sewage, 120 m/L)3The treatment scale is taken as an example), and the total nitrogen is below 12 mg/L; the removal effect of TN and COD is better than the treatment effect of the single A2/O process operated by the actual sewage treatment plant;
(4) in the embodiment, the reflux mixed liquor flows back to the anoxic tank, so that nitrate nitrogen can be prevented from entering the anaerobic tank, and the anaerobic state of the anaerobic tank is destroyed to influence the dephosphorization efficiency and effect of the system. Meanwhile, nitrate reacts with organic matters in anaerobic incoming water rapidly to perform denitrification, synchronous nitrogen and phosphorus removal is realized, and particularly when the carbon-nitrogen ratio of the treated sewage is less than 4:1, biological nitrogen removal treatment can be performed efficiently and economically by operating the biological membrane blanket sewage treatment process;
(5) this embodiment carries out sewage treatment in the container, can practice thrift space and investment cost to can realize dispersing the quick construction and the high-efficient operation of sewage factory, go out water quality of water good and operation stable.
The second embodiment is as follows: the present embodiment differs from the present embodiment in that: and a sludge discharge pipe 20 is arranged at the water outlet end of the sludge gas stripping return pipe 16 in the settling zone, and the residual sludge in the container is discharged through the sludge discharge pipe 20.
Other steps are the same as those in the first embodiment.
The third concrete implementation mode: the first or second differences from the present embodiment are as follows: and a flowmeter, an automatic control cabinet, a dosing device and a disinfection device are also arranged in the equipment room 6.
The other steps are the same as those in the first or second embodiment.
The fourth concrete implementation mode: the difference between this embodiment and one of the first to third embodiments is as follows: the sedimentation zone 4 is arranged at the side of the aerobic zone 3 in the direction of water flow in the tank body.
The other steps are the same as those in the first to third embodiments.
The fifth concrete implementation mode: the difference between this embodiment and one of the first to fourth embodiments is: the length and width of the biofilm blanket filler 23 is 2500mm 2100mm 30mm, the distance between the top of the biofilm blanket filler and the top of the container is 500mm, the distance between the bottom of the biofilm blanket filler and the bottom of the container is 300mm, the distance between the biofilm blanket fillers 23 is 150mm, and the upper part and the lower part of the biofilm blanket filler 23 are fixed on the wall of the container pool through the fixing circular tube 21.
The other steps are the same as those in the first to fourth embodiments.
The sixth specific implementation mode: the difference between this embodiment and one of the first to fifth embodiments is as follows: the polyurethane filter layer arranged in the filter area 5 is 2000mm in height and 400mm away from the bottom of the container.
The other steps are the same as those in the first to fifth embodiments.
The seventh embodiment: the difference between this embodiment and one of the first to sixth embodiments is: and the sludge gas stripping return pipe 16 of the settling zone and the sludge gas stripping return pipe 24 of the anoxic zone are both provided with gas flow regulating valves.
The other steps are the same as those in the first to sixth embodiments.
The specific implementation mode is eight: the difference between this embodiment and one of the first to seventh embodiments is: the service area of each aerobic zone microporous aerator 13 in the aerobic zone 3 and each filtering zone microporous aerator in the filtering zone 5 is 0.2m2～0.8m2。
The other steps are the same as those in the first to seventh embodiments.
The specific implementation method nine: the difference between this embodiment and the first to eighth embodiments is: the anaerobic zone 1 is divided into a plurality of compartments by the baffle plates 12-1 of the anaerobic zone, the anoxic zone 2 is divided into a plurality of compartments by the baffle plates 12-2 of the anoxic zone, and the width of each compartment is 600 mm-800 mm.
The other steps are the same as those in the first to eighth embodiments.
Adopt following embodiment to verify the utility model discloses a beneficial effect:
the first embodiment is as follows: a biomembrane blanket sewage treatment container comprises an anaerobic zone 1, an anoxic zone 2, an aerobic zone 3, a sedimentation zone 4, a filtration zone 5 and an equipment room 6, wherein the anaerobic zone 1 is communicated with the anoxic zone 2, the water outlet end of the anoxic zone 2 is communicated with the aerobic zone 3, the sedimentation zone 4 and the filtration zone 5 are arranged on one side in the aerobic zone 3, and the sedimentation zone 4 is arranged on the tank body water flow direction side of the aerobic zone 3; the corner of the anaerobic zone 1 is provided with a water inlet pipe 11, the water inlet pipe 11 is communicated with a water inlet of a water distribution channel 18, a water outlet of the water distribution channel 18 is communicated with the anaerobic zone 1, a plurality of anaerobic zone baffle plates 12-1 are arranged in the anaerobic zone 1, a plurality of anoxic zone baffle plates 12-2 are arranged in the anoxic zone 2, the anaerobic zone baffle plates 12-1 divide the anaerobic zone 1 into a plurality of compartments, the anoxic zone baffle plates 12-2 divide the anoxic zone 2 into a plurality of compartments, the width of each compartment is 600mm, the bottom of the aerobic zone 3 is provided with a plurality of aerobic zone microporous aerators 13, a plurality of biofilm blanket fillers 23 are arranged in the anaerobic zone 1, the anoxic zone 2 and the aerobic zone 3, one side of the settling zone 4 is provided with an energy dissipation zone 14, the other side of the settling zone 4 is provided with a water outlet weir 15, and the water outlet end of the water outlet weir 15 is communicated with a water outlet; a polyurethane filter layer is arranged in the filter area 5, the height of the polyurethane filter layer is 2000mm, and the polyurethane filter layer is 400mm away from the bottom of the container; the bottom of the filtering area 5 is provided with a plurality of filtering area microporous aerators which are used for backwashing the filtering layer; two blowers and flow meters are arranged in the equipment room 6, the automatic control cabinet, the dosing device and the disinfection device are characterized in that one air blower is respectively communicated with an aerobic zone microporous aerator 13 in an aerobic zone 3 and a filtering zone microporous aerator in a filtering zone 5, the other air blower is communicated with an air stripping pipe 22, the air stripping pipe 22 is communicated with the bottom of the settling zone 4, the settling zone 4 is provided with a settling zone sludge air stripping return pipe 16, the water outlet end of the settling zone sludge air stripping return pipe 16 is communicated with the water inlet of a water distribution channel 18, the water outlet end of the settling zone sludge air stripping return pipe 16 is provided with a sludge discharge pipe 20, residual sludge in the container is discharged through the sludge discharge pipe 20, the anoxic zone sludge air stripping return pipe 24 is communicated with an anoxic zone 2, the water outlet end of the anoxic zone sludge air stripping return pipe 24 is communicated with the water distribution channel 18, the water inlet end of a mixed liquid air stripping return pipe 17 is communicated with the aerobic zone 3, and the water outlet end of the.
The length and width of the biomembrane blanket filler 23 is 2500mm 2100mm 30mm, the biomembrane blanket filler is a flaky biological carrier filler, the distance between the top of the biomembrane blanket filler and the top of the container is 500mm, the distance between the bottom of the biomembrane blanket filler and the bottom of the container is 300mm, the distance between the biomembrane blanket fillers 23 is 150mm, and the upper part and the lower part of the biomembrane blanket filler 23 are fixed on the wall of the container pool through a fixed circular tube 21; the service area of each aerobic zone micro-porous aerator 13 in the aerobic zone 3 and each filtering zone micro-porous aerator in the filtering zone 5 is 0.2m2～0.8m2(ii) a And the sludge gas stripping return pipe 16 of the settling zone and the sludge gas stripping return pipe 24 of the anoxic zone are both provided with air quantity regulating valves.
The container for treating sewage by using the biomembrane blanket is provided with a plurality of baffle plates, and two blowers can control the dissolved oxygen in the anaerobic zone 1 and the anoxic zone 2 in the reactor to be 0.1-0.5 mg/L and the dissolved oxygen in the aerobic zone 3 to be 2-5 mg/L. The improvement of the embodiment is that baffle plates are respectively arranged in the anaerobic zone 1 and the anoxic zone 2 to keep the granular sludge shape, a triangular settling zone 4 solid-liquid separation facility is arranged in the aerobic zone 3, and after two improvements, the biomembrane blanket container process can keep high sludge concentration of about 8000mg/L (wherein the biomembrane blanket contributes to sludge concentration of 5000mg/L and disperse activated sludge concentration of 3000mg/L), and the water purification effect is superior to that of the traditional MBBR process. Meanwhile, the reactor is a container type module device, and is convenient for production, transportation and operation management.
Adopt this embodiment a biomembrane blanket sewage treatment container to handle actual domestic sewage, the container specification is length and width height 12m 2.8m 2.9m, and effective volume is 60m3The single container processing scale is 150m3D, the hydraulic retention time of the aerobic zone 3 is 4.0 hours, the hydraulic retention time of the anaerobic zone 1 is 1.0 hour, the hydraulic retention time of the anoxic zone 2 is 2.0 hours, the hydraulic retention time of the sedimentation zone 4 is 2.0 hours, the retention time of the filtration zone 5 is 0.5 hour, and the total retention time is 9 hours5 hours.
The experimental effect is as follows:
1. removal of COD
As shown in FIG. 4, the biofilm blanket sewage treatment container has good treatment effect on COD when being used for treating domestic sewage. For treating the actual domestic sewage, the COD of the inlet water is 130 mg/L-180 mg/L, and the COD of the outlet water of the biomembrane blanket sewage treatment container is kept below 30mg/L, thereby stably reaching the national discharge first-grade standard.
2. Removal of total nitrogen
As shown in fig. 5, when the total nitrogen of the influent water is too high and the carbon-nitrogen ratio is not adjusted, the biofilm blanket sewage treatment container has a good effect of removing the total nitrogen. When the COD of the inlet water is 130 mg/L-180 mg/L (average value 156.1mg/L) and the total nitrogen of the inlet water is 45 mg/L-60 mg/L (average value 52.4mg/L), the total nitrogen of the outlet water is kept below 12mg/L finally, and the removal rate is 77%.
Synthesize above-mentioned experiment, the effect of getting rid of the pollutant is as follows to biomembrane blanket sewage treatment container of this embodiment: the removal effect on COD and total nitrogen is good, and the effluent still stably reaches the standard under the condition of imbalance of the carbon-nitrogen ratio of the inlet water (2.96:1), namely the COD of the effluent is below 30mg/L (the average value is 20.5mg/L), the total nitrogen is below 12mg/L (the average value is 10.35mg/L), and the water purification effect is excellent.
Of course, the above description is not right the utility model relates to a restriction of biomembrane blanket sewage treatment container, the utility model relates to a biomembrane blanket sewage treatment container is also not limited to above-mentioned example, and ordinary technical personnel in this technical field are in the utility model relates to a change, modification, interpolation or replacement that the essential scope of biomembrane blanket sewage treatment container was made also belongs to the utility model relates to a protection scope of biomembrane blanket sewage treatment container.
Claims (9)
1. A biomembrane blanket sewage treatment container is characterized by comprising an anaerobic zone (1), an anoxic zone (2), an aerobic zone (3), a precipitation zone (4), a filtering zone (5) and an equipment room (6), wherein the anaerobic zone (1) is communicated with the anoxic zone (2), the water outlet end of the anoxic zone (2) is communicated with the aerobic zone (3), and the precipitation zone (4) and the filtering zone (5) are arranged on one side in the aerobic zone (3); a water inlet pipe (11) is arranged at the corner of the anaerobic zone (1), the water inlet pipe (11) is communicated with a water inlet of a water distribution channel (18), a water outlet of the water distribution channel (18) is communicated with the anaerobic zone (1), a plurality of anaerobic zone baffle plates (12-1) are arranged in the anaerobic zone (1), a plurality of anoxic zone baffle plates (12-2) are arranged in the anoxic zone (2), a plurality of aerobic zone microporous aerators (13) are arranged at the bottom of the aerobic zone (3), a plurality of biomembrane blanket fillers (23) are arranged in the anaerobic zone (1), the anoxic zone (2) and the aerobic zone (3), an energy dissipation zone (14) is arranged at one side of the settling zone (4), a water outlet weir (15) is arranged at the other side of the settling zone (4), and the water outlet end of the water outlet weir (15) is communicated with a water outlet pipe (19); a polyurethane filter layer is arranged in the filtering area (5), a plurality of filtering area microporous aerators are arranged at the bottom of the filtering area (5), two air blowers are arranged in the equipment room (6), one air blower is respectively communicated with an aerobic area microporous aerator (13) in the aerobic area (3) and the filtering area microporous aerator in the filtering area (5), the other air blower is communicated with an air stripping pipe (22), the air stripping pipe (22) is communicated with the bottom of the aerobic area (3), a settling area sludge air stripping return pipe (16) is arranged in the settling area (4), the water outlet end of the settling area sludge air stripping return pipe (16) is communicated with the water inlet of the water distribution channel (18), the anoxic area sludge air stripping return pipe (24) is communicated with the anoxic area (2), the water outlet end of the anoxic area sludge return pipe (24) is communicated with the water distribution channel (18), the water inlet end of the air stripping mixed liquid return pipe (17) is communicated with the aerobic area (3), the water outlet end of the mixed liquid gas stripping return pipe (17) is communicated with the anoxic zone (2).
2. The biofilm blanket sewage treatment container of claim 1, wherein a sludge drain pipe (20) is arranged at the water outlet end of the settling zone sludge gas stripping return pipe (16), and excess sludge in the container is discharged through the sludge drain pipe (20).
3. The biofilm blanket sewage treatment container as claimed in claim 1, wherein a flow meter, an automatic control cabinet, a dosing device and a disinfection device are further arranged in the equipment room (6).
4. A biofilm blanket sewage treatment container according to claim 1, characterized in that the settling zone (4) is arranged at the tank body water flow direction side of the aerobic zone (3).
5. The biofilm blanket sewage treatment container as claimed in claim 1, wherein the biofilm blanket packing (23) has a length and width of 2500mm 2100mm 30mm, a top distance of 500mm from the top of the container, a bottom distance of 300mm from the bottom of the container, a spacing between the biofilm blanket packing (23) is 150mm, and the upper and lower parts of the biofilm blanket packing (23) are fixed on the wall of the container through the fixing circular tube (21).
6. A biofilm carpet sewage treatment container according to claim 1, characterised in that a polyurethane filter layer is arranged in the filtering area (5) with a height of 2000mm and a distance of 400mm from the bottom of the container.
7. The biofilm blanket sewage treatment container as in claim 1, wherein said settling zone sludge stripping return pipe (16) and anoxic zone sludge stripping return pipe (24) are each provided with a gas flow regulating valve.
8. A biofilm blanket sewage treatment container as claimed in claim 1, wherein the service area of each aerobic zone microaeration vessel (13) in the aerobic zone (3) and each filtration zone microaeration vessel in the filtration zone (5) is 0.2m2～0.8m2。
9. The biofilm blanket sewage treatment container as recited in claim 1, wherein the anaerobic zone baffle plate (12-1) divides the anaerobic zone (1) into a plurality of compartments, the anoxic zone baffle plate (12-2) divides the anoxic zone (2) into a plurality of compartments, and each compartment has a width of 600mm to 800 mm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117105417A (en) * | 2023-10-24 | 2023-11-24 | 湖南中拓环境工程有限公司 | Integrated domestic sewage treatment equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117105417A (en) * | 2023-10-24 | 2023-11-24 | 湖南中拓环境工程有限公司 | Integrated domestic sewage treatment equipment |
| CN117105417B (en) * | 2023-10-24 | 2024-01-02 | 湖南中拓环境工程有限公司 | Integrated domestic sewage treatment equipment |
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