CN209835881U - Distributed household type integrated sewage treatment device suitable for rural areas - Google Patents
Distributed household type integrated sewage treatment device suitable for rural areas Download PDFInfo
- Publication number
- CN209835881U CN209835881U CN201821925492.5U CN201821925492U CN209835881U CN 209835881 U CN209835881 U CN 209835881U CN 201821925492 U CN201821925492 U CN 201821925492U CN 209835881 U CN209835881 U CN 209835881U
- Authority
- CN
- China
- Prior art keywords
- tank
- anoxic
- section
- aerobic
- anaerobic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
An integrated sewage treatment device suitable for rural distributed households; an anaerobic tank, an anoxic tank, an aerobic tank, a sedimentation tank and a clean water tank are arranged in the device, and according to the characteristics of the Bardenpho process, an anaerobic tank I section and an anaerobic tank II section are added at the front section of the process, so that a five-section AO improvement process is formed; anaerobic zones, anoxic zones and aerobic zones in the device are arranged in a circular partition and subsection manner, are arranged in an integral annular manner, and are naturally baffled, pushed to flow into and out of water, so that no dead angle exists in water body flowing, and energy consumption is reduced; the device is provided with a first sewage lifter, a second sewage lifter, a sludge backflow diversion trench and a first nitrification liquid backflow diversion trench, sludge can flow back and is distributed to flow back to the anaerobic tank and the anoxic tank respectively according to a proportion, backflow nitrate nitrogen is removed by utilizing organic matters and endogenous denitrification in inlet water, denitrification of the sludge is increased, and the removal rate of total nitrogen is facilitated; the device has the advantages of rigorous structure, compact layout, occupied space saving and operation cost saving.
Description
Technical Field
The utility model relates to a be fit for rural distributed family and use type integration sewage treatment plant belongs to sewage treatment environmental protection equipment technical field.
Background
The rural environmental pollution problem is highlighted day by day while the economy is rapidly developed. The population of rural areas in China is as much as 8 hundred million, the domestic sewage generated each year is as much as 80 hundred million tons, 96 percent of rural areas do not have sewage treatment and collection systems, and 80 percent of village garbage is stacked on roadside or even on water source areas, flood discharge troughs and water pond edges, so that the safety of drinking water sources is seriously harmed and the health of residents is seriously influenced.
At present, the comprehensive treatment of sewage environment of villages and towns is urgent and is concerned by all social circles. The method has the advantages that the village and town sewage treatment starts late in China, the market share is large, the village and town sewage treatment technologies are various in types and modes, the method is well applied to the technologies such as an A/O (anaerobic/O) process, an A2/O process, an SBR (sequencing batch reactor) process, a biological filter bed, an anaerobic/artificial wetland, a purification tank process, an integrated process technology and equipment types, the sewage treatment technology and the treatment effect are different, and the method has the general defects that: the conventional integrated A/O process adopts mechanical stirring, so that the equipment energy consumption is high, the mixing effect is poor, the process denitrification efficiency is low, the reflux requirement is high, the difficulty is high, the separation efficiency is low and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provide an integrated sewage treatment device which is suitable for rural distributed households; an anaerobic tank, an anoxic tank, an aerobic tank, a sedimentation tank and a clean water tank are arranged in the device, and according to the characteristics of the Bardenpho process, an anaerobic tank I section and an anaerobic tank II section are added at the front section of the process, so that a five-section AO improvement process is formed; moreover, the anaerobic zone, the anoxic zone and the aerobic zone in the device are arranged in a circular partition and subsection manner, are integrally and annularly arranged, and naturally deflect, push flow water in and out, so that no dead angle exists in water body flowing, and energy consumption is reduced; meanwhile, the first sewage lifter, the second sewage lifter, the sludge backflow diversion trench and the first nitrification liquid backflow diversion trench which are arranged in the device can return sludge, the sludge can be respectively distributed to the anaerobic tank and the anoxic tank in proportion, backflow nitrate nitrogen is removed by using organic matters and endogenous denitrification in inlet water, the denitrification of the sludge is increased, and the removal rate of total nitrogen is facilitated; in addition, the device has the advantages of rigorous structure, reasonable design, compact layout, occupied space saving, operation cost saving and suitability for social popularization and use.
In order to achieve the above object, the present invention is achieved by the following technical means.
The utility model provides a be fit for rural distributed family and use type integration sewage treatment plant, it comprises anaerobism pond I section, oxygen deficiency II pond, first sewage lifting mechanism, anaerobism pond II section, first liquid reflux guiding gutter that nitrifies, mud backward flow guiding gutter, aerator, oxygen deficiency I pond, good oxygen I pond, play mill weir, sedimentation tank, good oxygen II pond, clean water basin, outlet pipe, sewage inlet tube, air pump, go up jar body, lower jar body part, characterized by: be provided with anaerobism pond I section through the baffle in the jar body, oxygen deficiency II pond, anaerobism pond II section, oxygen deficiency I pond, good oxygen I pond, the sedimentation tank, good oxygen II pond, the clean water basin, oxygen deficiency II pond, good oxygen I pond, good oxygen II pond is located jar internal center, anaerobism pond I section, anaerobism pond II section, oxygen deficiency I pond, the sedimentation tank, the clean water pond encircles in oxygen deficiency II pond, good oxygen I pond, good oxygen II pond outside, form circular subregion sectional arrangement, be provided with the outlet pipe on the jar side wall, the sewage inlet tube, the outlet pipe other end passes jar body and stretches into in the clean water pond, the sewage inlet tube other end passes jar body and stretches into in the anaerobism pond I section, jar body upper end is provided with jar mouth, be provided with the upper cover on the jar.
The anaerobic tank I section is communicated with the anaerobic tank II section through a diversion hole, the anaerobic tank II section is communicated with the anoxic tank I through a diversion hole, a first nitrifying liquid backflow diversion trench is arranged in the anaerobic tank II section, a sludge backflow diversion trench is arranged in the anoxic tank I, the anoxic tank I is communicated with the aerobic tank I through a diversion hole, one end of the aerobic tank I is communicated with the first nitrifying liquid backflow diversion trench through a first sewage lifter, the aerobic tank I flows back through the first sewage lifter and the first nitrifying liquid backflow diversion trench to the front end of the anoxic tank I, the aerobic tank I is communicated with the anoxic tank II through a diversion hole, the anoxic tank II is communicated with the aerobic tank II through a diversion hole, the aerobic tank II is connected with the anoxic tank II through a third sewage lifter and a second nitrifying liquid backflow diversion trench, the aerobic tank II is communicated with the sedimentation tank through a water outlet weir, and the precipitated sludge in the sedimentation tank is communicated with the second sewage lifter, The sludge backflow diversion trench distributes backflow sludge in proportion and respectively flows back to the anaerobic tank I section and the anoxic tank I, the sedimentation tank is communicated with the sludge backflow diversion trench through a second sewage lifter, the sedimentation tank is communicated with the clean water tank through a water outlet weir, the clean water tank is communicated with a water outlet pipe through a guide pipe, and the sludge backflow diversion trench is arranged in the sedimentation tank, the clean water tank and the anaerobic tank I section.
The anoxic I tank and the aerobic II tank are internally provided with aerators which are connected with an air pump through a conduit.
And polyurethane suspension filler is added into the anaerobic tank I section, the anaerobic tank II section and the anoxic tank I to 30-45% of the tank volume, and the mass material of the polyurethane suspension filler is 25 x 25 mm.
And columnar fixed fillers are added into the anoxic II tank, the aerobic I tank and the aerobic II tank to reach 70% of the tank volume.
The tank body comprises an upper tank body and a lower tank body, and the upper tank body and the lower tank body are fixedly connected through a flange.
The air pump power supply can adopt a 220V city network power supply or a solar power supply mode.
The utility model discloses mainly have following beneficial effect:
1. the device is internally provided with an anaerobic tank, an anoxic tank, an aerobic tank, a sedimentation tank and a clean water tank, and according to the characteristics of the Bardenpho process, an anaerobic tank I section and an anaerobic tank II section are added at the front section of the process, so that a five-section AO improvement process is formed.
2. Anaerobic zone, anoxic zone, the good oxygen district in the device are the circular subregion segmentation and arrange, and whole annular is arranged, and natural baffling, propulsion advance, the play water mode is favorable to the water flow to have no dead angle, reduces the energy consumption.
3. First sewage lifting mechanism, second sewage lifting mechanism, mud backward flow guiding gutter, the first guiding gutter that nitrifies that sets up in the device can flow back mud, and the sludge is flowed back respectively to anaerobism pond and oxygen deficiency pond to the proportional distribution, utilizes the organic matter in the influent water and endogenous denitrification to get rid of backward flow nitrate nitrogen, has increased the denitrification of mud, is favorable to the clearance of total nitrogen.
4. The device has the advantages of rigorous structure, reasonable design, compact layout, space saving, operation cost saving and suitability for social popularization and use.
Drawings
FIG. 1 is a schematic view of the overlooking structure of the integrated sewage treatment device suitable for rural distributed households.
FIG. 2 is a schematic view of the vertical structure of the integrated sewage treatment plant suitable for rural distributed household use.
As shown in fig. 1-2, the various parts of the figure are represented by the following arabic numerals:
an anaerobic tank section I-1, an anoxic tank II-2, a diversion hole-3, a first sewage lifter-4, an anaerobic tank section II-5, a first nitrifying liquid backflow diversion trench-6, a sludge backflow diversion trench-7, an aerator-8, an anoxic tank I-9, an aerobic tank I-10, a second sewage lifter-11, a water outlet weir-12, a sedimentation tank-13, a third sewage lifter-14, an aerobic tank II-15, a clear water tank-16, a water outlet pipe-17, a second nitrifying liquid backflow diversion trench-18, a sewage inlet pipe-19, an upper cover-20, an air pump-21, an upper tank opening-22, an upper tank body-23 and a lower tank body-24.
The invention will be described in more detail with reference to the following examples and the accompanying drawings:
Detailed Description
Examples
As shown in figures 1-2, the integrated sewage treatment device suitable for rural distributed households is composed of an anaerobic tank I section 1, an anoxic tank II 2, a first sewage lifter 4, an anaerobic tank II section 5, a first nitrified liquid backflow diversion trench 6, a sludge backflow diversion trench 7, an aerator 8, an anoxic tank I9, an aerobic tank I10, a water outlet weir 12, a sedimentation tank 13, an aerobic tank II 15, a clean water tank 16, a water outlet pipe 17, a sewage inlet pipe 19, an air pump 21, an upper tank body 23 and a lower tank body 24.
As shown in fig. 1-2, an anaerobic tank I section 1, an anoxic tank II 2, an anaerobic tank II section 5, an anoxic tank I9, an aerobic tank I10, a sedimentation tank 13, an aerobic tank II 15, and a clean water tank 16 are arranged in the tank body through partition plates, the anoxic tank II 2, the aerobic tank I10, and the aerobic tank II 15 are located at the center of the tank body, the anaerobic tank I section 1, the anaerobic tank II section 5, the anoxic tank I9, the sedimentation tank 13, and the clean water tank 16 are arranged around the anoxic tank II 2, the aerobic tank I10, and the aerobic tank II 15 to form a circular partitioned sectional arrangement, a water outlet pipe 17 and a sewage inlet pipe 19 are arranged on the side wall of the tank body, the other end of the water outlet pipe 17 penetrates through the tank body and extends into the clean water tank 16, the other end of the sewage inlet pipe 19 penetrates through the tank body and extends into the anaerobic tank I section 1, an upper tank opening 22.
The anaerobic tank I section 1 is communicated with an anaerobic tank II section 5 through a flow guide hole 3, the anaerobic tank II section 5 is communicated with an anoxic tank I9 through a flow guide hole 3, a first nitrifying liquid backflow flow guide groove 6 is arranged in the anaerobic tank II section 5, a sludge backflow flow guide groove 7 is arranged in the anoxic tank I9, the anoxic tank I9 is communicated with an aerobic tank I10 through a flow guide hole 3, one end of the aerobic tank I10 is communicated with the first nitrifying liquid backflow flow guide groove 6 through a first sewage lifter 4, backflow in the aerobic tank I10 is returned to the front end of the anoxic tank I9 through the first sewage lifter 4 and the first nitrifying liquid backflow flow guide groove 6, the aerobic tank I10 is communicated with an anoxic tank II 2 through a flow guide hole 3, the anoxic tank II 2 is communicated with an aerobic tank II 15 through a flow guide hole 3, the aerobic tank II 15 is connected with the anoxic tank II 2 through a third sewage lifter 14 and a second nitrifying liquid backflow flow guide groove 18, the aerobic II tank 15 is communicated with the sedimentation tank 13 through an effluent weir 12, the sedimentary sludge in the sedimentation tank 13 is proportionally distributed by a second sewage lifter 11 and a sludge backflow diversion trench 7 and respectively flows back to the anaerobic tank I section 1 and the anoxic I tank 9, the sedimentation tank 13 is communicated with the sludge backflow diversion trench 7 through the second sewage lifter 11, the sedimentation tank 13 is communicated with a clean water tank 16 through the effluent weir 12, the clean water tank 16 is communicated with an effluent pipe 17 through a conduit, and the sedimentation tank 13, the clean water tank 16 and the anaerobic tank I section 1 are internally provided with the sludge backflow diversion trench 7.
Aerators 8 are arranged in the anoxic I tank 9 and the aerobic II tank 15, and the aerators 8 are connected with an air pump 21 through pipes.
And polyurethane suspension filler is added into the anaerobic tank I section 1, the anaerobic tank II section 5 and the anoxic tank I9 to reach 30-45% of the tank volume, and the block material of the polyurethane suspension filler is 25 x 25 mm.
The anoxic II tank 2, the aerobic I tank 10 and the aerobic II tank 15 are all added with columnar fixed filler to 70 percent of the tank volume.
The tank body is composed of an upper tank body 23 and a lower tank body 24, and the upper tank body 23 and the lower tank body 24 are fixedly connected through flanges.
The power supply of the air pump 21 can adopt a 220V city network power supply or a solar power supply mode.
Pretreated domestic sewage enters an anaerobic tank I section 1 through a sewage inlet pipe 19, the sewage enters an anaerobic tank II section 5 from a bottom water outlet hole, the outlet water enters an anoxic tank I9 through a diversion hole 3, and denitrifying bacteria reduce nitric acid nitrogen in the backflow mixed liquid by using organic carbon in raw water; sewage enters an aerobic I tank 10 from the bottom through a flow guide hole 3 in an anoxic I tank 9, oxygen required by biological reaction is provided for biochemical reaction in the area of the aerobic I tank 10 through an aerator 8 to degrade organic matters, carbon-containing organic matters are subjected to oxidative degradation in the aerobic I tank 10, meanwhile, nitration reaction of nitrogen-containing organic matters is carried out to convert organic nitrogen and ammonia nitrogen into nitrate nitrogen, and the nitration liquid flows back to the front end of the anoxic I tank 9 through a first sewage lifter 4 and a first nitration liquid backflow flow guide groove 6;
the sewage after the reaction in the aerobic I pool 10 enters the anoxic II pool 2 through the upper diversion hole 3, the treated effluent of the aerobic I pool 10 enters the anoxic II pool 2, nitrate generated in an aerobic section is used as an electron acceptor, and the rest carbon source or the internal carbon source is used as an electron donor to further improve the denitrification effect, so that nitric acid nitrogen in the wastewater is further reduced into nitrogen, the total nitrogen content in the effluent is reduced, the sedimentation performance of sludge is improved, and the sewage enters the aerobic II pool 15 through the diversion hole 3;
in the aerobic II tank 15, oxygen required by biological reaction is provided by an aerator 8 for biochemical reaction, residual nitrogen is blown off, meanwhile, nitrified liquid is further refluxed to the front end of the anoxic II tank 2 by a third sewage lifter 14 and a second nitrified liquid reflux guide groove 18, and sewage enters a sedimentation tank 13 by an effluent weir 12;
performing sludge-water separation in a sedimentation tank 13, distributing the returned sludge proportionally and respectively returning the returned sludge to the anaerobic tank I section 1 and the anoxic tank I9 through a second sewage lifter 11 and a sludge return diversion trench-7 by the settled sludge, and allowing the supernatant to enter a clean water tank 16 through an effluent weir 12; the clear water tank 16 stores clear water and discharges the clear water through the water outlet pipe 17;
in the above treatment method, pretreated sewage enters the anaerobic tank I section 1 through the sewage inlet pipe 19, the sludge returned from the sedimentation tank 13 is regulated by the sludge return diversion trench 7 to return and distribute the amount of returned sludge, wherein 10-20% of the returned sludge returns to the anaerobic tank I section 1, and enters the anoxic tank I9 after being mixed with the original sewage, and 80-90% of the other part of the returned sludge returns to the anoxic tank I9, and returns to the sewage after being mixed with the nitrifying liquid in the aerobic tank, and the water entering the anaerobic tank is completely mixed, so that the return distribution can avoid bringing a large amount of NO3- (N02-) back to the anaerobic section, thereby ensuring the effective release of phosphorus by phosphorus accumulating bacteria and improving the phosphorus absorption effect of the phosphorus accumulating bacteria in the aerobic section; the phosphorus-accumulating bacteria and the denitrifying bacteria are ensured to have enough organic nutrients while organic matters are effectively degraded, so that the aim of synchronously removing phosphorus and nitrogen in the system is fulfilled.
The return sludge of the sedimentation tank 13 flows through the second sewage lifter 11 and the sludge return diversion trench 7 and is reasonably distributed according to the proportion and respectively flows back to the anaerobic tank I section 1 and the anoxic tank I9, the microorganisms remove the return nitrate nitrogen by using organic matters and endogenous denitrification in the inlet water, the return flow of the anaerobic tank I section 1 is adjusted, the adverse effect of the nitrate nitrogen on the anaerobic tank is eliminated, the phosphorus release of phosphorus accumulating bacteria is facilitated, and therefore, the greater potential is provided for the phosphorus absorption of an aerobic zone, the denitrification of the sludge is increased, and the removal rate of total nitrogen in the inlet water is facilitated.
The above description is only an example of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a be fit for rural distributed family and use type integration sewage treatment plant, it is by anaerobism pond I section (1), oxygen deficiency II pond (2), first sewage lifting mechanism (4), anaerobism pond II section (5), first liquid backward flow guiding gutter (6) of nitrifying, mud backward flow guiding gutter (7), aerator (8), oxygen deficiency I pond (9), good oxygen I pond (10), play water weir (12), sedimentation tank (13), good oxygen II pond (15), clean water basin (16), outlet pipe (17), sewage inlet tube (19), air pump (21), go up jar body (23), down jar body (24) part is constituteed, characterized by: an anaerobic tank I section (1), an anoxic II tank (2), an anaerobic tank II section (5), an anoxic I tank (9), an aerobic I tank (10), a sedimentation tank (13), an aerobic II tank (15) and a clean water tank (16) are arranged in the tank body through partition plates, the anoxic II tank (2), the aerobic I tank (10) and the aerobic II tank (15) are positioned in the center of the tank body, the anaerobic tank I section (1), the anaerobic tank II section (5), the anoxic I tank (9), the sedimentation tank (13) and the clean water tank (16) surround the anoxic II tank (2), the aerobic I tank (10) and the aerobic II tank (15) to form circular partitioned sectional arrangement, a water outlet pipe (17) and a sewage inlet pipe (19) are arranged on the side wall of the tank body, the other end of the water outlet pipe (17) penetrates through the tank body to extend into the clean water tank (16), and the other end of the sewage inlet pipe (19) penetrates through the tank, an upper tank opening (22) is arranged at the upper end of the tank body, and an upper cover (20) is arranged on the upper tank opening (22).
2. The integrated sewage treatment plant suitable for rural distributed households according to claim 1, characterized in that: the anaerobic tank I section (1) is communicated with the anaerobic tank II section (5) through a diversion hole (3), the anaerobic tank II section (5) is communicated with the anoxic tank I (9) through the diversion hole (3), a first nitrifying liquid backflow diversion trench (6) is arranged in the anaerobic tank II section (5), a sludge backflow diversion trench (7) is arranged in the anoxic tank I (9), the anoxic tank I (9) is communicated with the aerobic tank I (10) through the diversion hole (3), one end of the aerobic tank I (10) is communicated with the first nitrifying liquid backflow diversion trench (6) through a first sewage lifter (4), the internal backflow of the aerobic tank I (10) flows back to the front end of the anoxic tank I (9) through the first sewage lifter (4) and the first nitrifying liquid backflow diversion trench (6), the aerobic tank I (10) is communicated with the anoxic tank II (2) through the diversion hole (3), and the anoxic tank II (15) are communicated with the anoxic tank II (2) through the diversion hole (3), an aerobic II pool (15) is connected with an anoxic II pool (2) through a third sewage lifter (14) and a second nitrifying liquid backflow diversion trench (18), the aerobic II pool (15) is communicated with a sedimentation pool (13) through a water outlet weir (12), the sedimentary sludge in the sedimentation pool (13) flows back to an anaerobic pool I section (1) and an anoxic I pool (9) through the second sewage lifter (11) and the sludge backflow diversion trench (7) in proportion, the sedimentation pool (13) is communicated with the sludge backflow diversion trench (7) through the second sewage lifter (11), the sedimentation pool (13) is communicated with a clean water pool (16) through the water outlet weir (12), the clean water pool (16) is communicated with a water outlet pipe (17) through a conduit, and the sedimentation pool (13), the clean water pool (16) and the anaerobic pool I section (1) are internally provided with the sludge backflow diversion trench (7).
3. The integrated sewage treatment plant suitable for rural distributed households according to claim 1, characterized in that: aerators (8) are arranged in the anoxic I tank (9) and the aerobic II tank (15), and the aerators (8) are connected with an air pump (21) through a conduit.
4. The integrated sewage treatment device suitable for rural distributed households according to claim 1 or 3, wherein: and polyurethane suspension filler is added into the anaerobic tank I section (1), the anaerobic tank II section (5) and the anoxic tank I (9) to 30-45% of the tank volume, and the block material of the polyurethane suspension filler is 25 x 25 mm.
5. The integrated sewage treatment plant suitable for rural distributed households according to claim 1, characterized in that: columnar fixed filler is added into the anoxic II tank (2), the aerobic I tank (10) and the aerobic II tank (15) to reach 70% of the tank volume.
6. The integrated sewage treatment plant suitable for rural distributed households according to claim 1, characterized in that: the tank body consists of an upper tank body (23) and a lower tank body (24), and the upper tank body (23) and the lower tank body (24) are fixedly connected through a flange.
7. The integrated sewage treatment plant suitable for rural distributed households according to claim 3, wherein: the power supply of the air pump (21) can adopt a 220V city network power supply mode or a solar power supply mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821925492.5U CN209835881U (en) | 2018-11-16 | 2018-11-16 | Distributed household type integrated sewage treatment device suitable for rural areas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821925492.5U CN209835881U (en) | 2018-11-16 | 2018-11-16 | Distributed household type integrated sewage treatment device suitable for rural areas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209835881U true CN209835881U (en) | 2019-12-24 |
Family
ID=68889351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821925492.5U Active CN209835881U (en) | 2018-11-16 | 2018-11-16 | Distributed household type integrated sewage treatment device suitable for rural areas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209835881U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111186962A (en) * | 2020-01-16 | 2020-05-22 | 四川宇阳环境工程有限公司 | Scattered household micro-power sewage treatment all-in-one machine |
| CN112062334A (en) * | 2020-09-04 | 2020-12-11 | 湖南凯迪工程科技有限公司 | Villages and small towns sewage treatment device |
-
2018
- 2018-11-16 CN CN201821925492.5U patent/CN209835881U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111186962A (en) * | 2020-01-16 | 2020-05-22 | 四川宇阳环境工程有限公司 | Scattered household micro-power sewage treatment all-in-one machine |
| CN112062334A (en) * | 2020-09-04 | 2020-12-11 | 湖南凯迪工程科技有限公司 | Villages and small towns sewage treatment device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101525207A (en) | Integrated pre-denitrification and denitrogenation biological filter sewerage treatment process | |
| CN101468846B (en) | Sectional inlet and drop oxygenation and contact oxidation integrated sewage treating apparatus and method | |
| CN105668943A (en) | Multistage aeration biofilter for water quality purification and purification technique thereof | |
| CN205556397U (en) | A multistage bological aerated filter for quality of water purifies | |
| CN111646649A (en) | Excrement wastewater treatment method for modular railway train excrement collector | |
| CN209835881U (en) | Distributed household type integrated sewage treatment device suitable for rural areas | |
| CN110606568A (en) | Integrated A with embedded precipitation structure2/O biochemical tower | |
| CN201614333U (en) | Decentralized sewage treatment device | |
| CN203238141U (en) | Sewage biological treatment membrane filtration system | |
| CN109775936B (en) | Low-energy-consumption domestic sewage treatment system | |
| CN211198754U (en) | Integrated A2/O biochemical tower with embedded precipitation structure | |
| CN105110556A (en) | Integrated denitrification decarbonization biological aerated filter and processing system thereof | |
| CN107585969A (en) | A kind of tower integrated sewage treating apparatus | |
| CN201990575U (en) | Urban sewage treatment system | |
| CN203866153U (en) | Improved reinforced A2/O denitrogenation and dephosphorization treating device for municipal sewage | |
| CN213738791U (en) | Biochemical system for treating domestic sewage | |
| CN110240350A (en) | It is a kind of to enhance sewerage integrated equipment and impact resistance method using nitrification liquid reflux | |
| CN215365350U (en) | Railway station sewage treatment system | |
| CN215627425U (en) | New rural domestic sewage treatment system based on MBR membrane reactor | |
| CN209740931U (en) | High-efficient nitrogen and phosphorus removal sewage treatment system | |
| CN209065652U (en) | Integrated domestic sewage treatment system | |
| CN201971710U (en) | Municipal wastewater treatment biochemical reaction tank | |
| CN113292195A (en) | AnOnSewage treatment equipment | |
| CN220951457U (en) | Domestic sewage integrated treatment device based on MABR technology | |
| CN220449933U (en) | High-speed degradation beautiful village sewage treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |