CN201809248U - Sequencing mud-membrane symbiosis integrated water treatment equipment - Google Patents
Sequencing mud-membrane symbiosis integrated water treatment equipment Download PDFInfo
- Publication number
- CN201809248U CN201809248U CN2010201668205U CN201020166820U CN201809248U CN 201809248 U CN201809248 U CN 201809248U CN 2010201668205 U CN2010201668205 U CN 2010201668205U CN 201020166820 U CN201020166820 U CN 201020166820U CN 201809248 U CN201809248 U CN 201809248U
- Authority
- CN
- China
- Prior art keywords
- water
- aerobic treatment
- equalizing tank
- treatment pond
- mud
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Biological Treatment Of Waste Water (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The utility model relates to a sequencing mud-membrane symbiosis integrated water treatment equipment the structure of which is as follows: an anaerobic regulating reservoir, an aerobic treatment reservoir and a disinfection and filtration chamber are connected, wherein the anaerobic regulating reservoir is provided with a sewage inlet, a guiding device and a biomembrane carrier, a water channel is provided with a filling bin, a water tank is provided with a water pump, the water outlet of the water pump is connected to the water outlet of the anaerobic regulating reservoir, the water outlet of the anaerobic treatment reservoir is connected with the water inlet of the aerobic treatment reservoir, the water inlet of the aerobic treatment reservoir is connected to a multifunctional water distributor, the aerobic treatment reservoir is provided with an aerating apparatus and a gas stripping and mud discharging device, the aerobic treatment reservoir is also provided with a biomembrane, an effluent weir and a water outlet, the disinfection and filtration chamber is provided with an air blower bin, a disinfection tank and a filtration chamber, the disinfection tank is provided with the guiding device, the water channel is provided with a water pump the water outlet of which is connected to a filter, and the outlet of the filter is connected to a clear water outlet. With the sequencing mud-membrane symbiosis integrated water treatment equipment, the design is reasonable, the advanced technique is adopted, the denitrification and dephosphorization effects are good, the sewage treatment quality is high, and the service life is long. The sequencing mud-membrane symbiosis integrated water treatment equipment can be assembled flexibly, and is particularly suitable for point source type pollution abatement of town sewage, residential sewage and plane source water pollution in villages.
Description
Technical field
The utility model relates to a kind of sewage disposal device, and concrete is sequence batch (mud film symbiosis integrated water treatment equipment.
Background technology
Water is the precious resources that people depend on for existence, and people's water commonly used is removed the refuse that produces in life and the production, makes clean water become sewage because of sneaking into refuse.Along with the increase of population, the minimizing and the The development in society and economy of land resources, the nervous problem of shortage of water resources and land resources becomes increasingly conspicuous.The development waste water treating and reutilizing is to realize that sustainable utilization of water resources has clearly been write in country's " national economy and social development 10th Five-Year Plan outline ".Present incorporate water treating equipment are varied, treatment effect is also become better and better, through investigating, there is the situation of following several respects substantially in integrated sewage treating apparatus in the market: (one) adopts the integration apparatus of MBR membrane reactor is to use suite of equipment the most widely in the market, owing to problems such as the cost that has the MBR film, life-span, film pollution, film replacings, be difficult to so far improve and promote.(2) integration apparatus of employing traditional biological film, wherein have, the integration apparatus of traditional biological catalytic oxidation and the integration apparatus of traditional BAF, the type equipment is the integration apparatus of classical biomembrane process, the element that wherein lacks activated sludge process, the denitrogenation dephosphorizing effect is unsatisfactory, and a lot of effluent qualities really do not reach GB18918-2002 one-level A.(3) integration apparatus of employing activated sludge process (AO), the type equipment is the integration apparatus of classical activated sludge process, the element that has wherein lacked biomembrance process again, use the initial stage at equipment, the inoculation of mud, cultivation and domestication process are very loaded down with trivial details, and, between the usage period handled water quality stability are had relatively high expectations at equipment, if fluctuate, mud very easily is poisoned to death.Problems such as cost investment is too high, equipment is complicated, ton water treatment occupation of land is too much are seriously restricting the sales volume of the type equipment.
Summary of the invention:
The purpose of this utility model is to propose a kind of technical scheme of miniaturization sequence batch (mud film symbiosis integrated water treatment equipment, and the equipment of implementing by this technical scheme has that running cost is low, working life is long, Technology is advanced, simple to operate, the characteristics of good denitrogenation and dephosphorization effect simultaneously.
The technical solution of the utility model is: sequence batch (mud film symbiosis integrated water treatment equipment, comprise anaerobism equalizing tank and aerobic treating pond, it is characterized in that, the anaerobism equalizing tank is connected with the aerobic treatment pond by pipeline, the aerobic treatment pond is connected by between pipeline and sterilised filtration, wherein, anaerobism equalizing tank upper end is provided with sewage inlet, be provided with guiding device in the anaerobism equalizing tank, be provided with biofilm carrier in the anaerobism equalizing tank, end at water stream channel is provided with at least one filler storehouse, basin bottom behind the filler storehouse is provided with water pump, the water outlet of water pump by pipe connection to the water outlet that is positioned at anaerobism equalizing tank top, anaerobism equalizing tank water outlet by pipe connection to aerobic treating pond water-in, aerobic treatment pond water-in by pipe connection to multi-functional water distributor, be provided with the gentle mud discharging device of carrying of aerating apparatus in the aerobic treatment pond, in the aerobic treatment pond, be provided with microbial film, be provided with the water outlet that links to each other between effluent weir and sterilised filtration above the aerobic treatment pond, be provided with air blast cabin under water between sterilised filtration, between sterilization pool and filtration, be provided with guiding device in the sterilization pool, be provided with water pump at the water stream channel end, to disc filter, the disc filter outlet is connected to clear water output to the water outlet of water pump by pipe connection.
Guiding device in described anaerobism equalizing tank and the sterilization pool is, is fixedly connected with at least 2 flow deflectors with anaerobism equalizing tank and sterilization pool inwall respectively, interlaces before and after the position of each flow deflector, forms crooked water stream channel.
Described aerating apparatus is, is provided with many aeration tubes that place in the supporting below the aerobic treatment pond, and each aeration tube is distributed near bottom, aerobic treatment pond, and aeration tube is connected with the air outlet of gas blower under water by induction pipe.
Described gas is carried mud discharging device, is provided with gas at aerobic treatment pond right-hand member and carries shore pipe, and gas is carried shore pipe middle part and is connected with gas exhaust tracheae, and gas exhaust tracheae is connected with gas blower under water, and the shore pipe lower end is unsettled, and the mud discharging mouth of upper end leads to outside the aerobic treatment pond.
The biofilm carrier that described anaerobism equalizing tank front end hangs is A Keman (Aquamats) biofilm carrier, and filler storehouse, rear end is two, removably connects with the anaerobism equalizing tank, is respectively charged into iron and wood; Being provided with microbial film in the described aerobic treatment pond is active sludge and microbial film.
Described multi-functional water distributor is horizontally disposed with, and is evenly equipped with posticum on the multi-functional water distributor.
Be provided with scroll wheel in the bottom between described anaerobism equalizing tank, aerobic treatment pond and sterilised filtration, the both sides, top are provided with suspension ring; On between anaerobism equalizing tank, aerobic treatment pond and sterilised filtration, be provided with inspection window and blow-off valve, in the air blast cabin is located between sterilised filtration under water.
Equipment such as described gas blower under water, water pump, magnetic valve are connected with the PLC automatic control device.
The sterilization explosive barrel by the disinfectant pipe connection to sterilization pool.
The utility model is to adopt sophisticated A
2/ O handles the control mode of mechanism+two-stage biological contact oxidation method structure formation+SBR technology, and biomembrance process is combined with activated sludge process, collects the advantage of three class technologies, remedies the deficiency of technology separately, in the hope of reaching the good effect of treat effluent water quality.The utility model loads anaerobism A Ke climing (Aquamats) biofilm carrier, iron filings and wood chip in the anaerobism equalizing tank, it act as, and enhanced primary is handled, hydrolysis of organic matter, and preposition chemical dephosphorization, supplementary carbon source is regulated water quality and quantity automatically.Aerating system of the present utility model is the low noise aerating system, mainly is that blower fan is immersed in the water, most of noise by water resistance every, reduced the noise control cost.The mud film cogeneration system that the utility model adopts, sludge concentration is on average up to about 8gMLSS/L, and effluent quality is good, and when the anti impulsion load of the water yield, water quality reached 1.5 times, the biochemical part of system still can turn round normally.The surplus sludge volume that the utility model equipment is produced is few, has only about 2/3rds of traditional technology.Adopt gas to carry mud discharging device, energy consumption is low, simple in structure, both avoided the waste of traditional technology sludge pump energy consumption, guaranteed the concentration of spoil disposal demand or returned sluge again, and reduced ton water treatment expense and running cost that the gas wind regime is from the aerator of air blast cabin under water, this equipment is immersed in the water, low turnover number, low noise has reduced the noise control cost.
The utility model is reasonable in design, compact construction, floor space is little, running cost is low, long service life, technology advanced person, simple to operate, good denitrogenation and dephosphorization effect, sewage can be better than GB18918-2002 one-level A urban wastewater treatment firm pollutant emission standard after treatment, water reuse in can realizing, but equipment flexible combination.Be specially adapted to the point source formula Pollution abatement in town sewage, community wastewater and the pollution of face source, rural area water.
Description of drawings
Fig. 1 is the utility model structure schematic flow sheet,
Fig. 2 is the floor map of Fig. 1,
Fig. 3 is the vertical view of Fig. 2,
Fig. 4 is a dosing pipe layout drawing between aerobic treatment pond bottom aeration tube and sterilised filtration.
Among the figure: (1) is sewage inlet, (2) be grid, (3) be inspection window, (4) be the anaerobism equalizing tank, (5) be flow deflector, (6) be the filler storehouse, (7) be anaerobism equalizing tank water outlet, (8) be aerobic treatment pond water-in, (9) be microbial film, (10) be one-level aerobic treatment pond, (11) carry shore pipe for gas, (12) be secondary aerobic treatment pond water-in, (13) be secondary aerobic treatment pond, (14) be induction pipe, (15) be gas exhaust tracheae, (16) be blast inlet, (17) be between sterilised filtration, (18) be air blast cabin under water, (19) be disc filter, (20) be clear water output, (21) be water pump, (22) be gas blower under water, (23) be aeration tube, (24) be supporting, (25) be multi-functional water distributor, (26) be the sterilization explosive barrel, (27) be sterilization pool, (28) between filtering, (29) be water outlet, (30) be mud discharging mouth, (31) be water stream channel, (32) be effluent weir, (33) be magnetic valve, (34) be the disinfectant pipeline, (35) be scroll wheel, (36) be suspension ring, (37) be blow-off valve, (38) be biofilm carrier.
Embodiment
Integrated water treatment equipment between anaerobism equalizing tank, aerobic treatment pond and sterilised filtration is made of shape usually, and the anaerobism equalizing tank also can adopt concrete for making.Anaerobism equalizing tank (4) is connected with one-level aerobic treatment pond (10) by pipeline, one-level aerobic treatment pond links to each other with secondary aerobic treatment pond (13), secondary aerobic treatment pond water outlet (29) is connected by (17) between pipeline and sterilised filtration, wherein, anaerobism equalizing tank upper end is provided with sewage inlet (1), the sewage inlet place is provided with grid (2), be provided with guiding device in the anaerobism equalizing tank, guiding device is, be fixedly connected with flow deflector (5) with anaerobism equalizing tank inwall one side, interlace before and after the position of each flow deflector, form labyrinth-like, crooked water stream channel (31), effluent stream is behind A Ke climing (Aquamats) biofilm carrier (38), end at water stream channel (31) is connected with 2 filler storehouses (6) that are respectively charged into iron filings and wood chip with fastening piece, basin bottom behind the filler storehouse is provided with water pump (21), the water port of water pump by pipe connection to the anaerobism equalizing tank water outlet (7) that is positioned at anaerobism equalizing tank top, anaerobism equalizing tank water outlet by pipe connection to one-level aerobic treatment pond water-in (8), one-level aerobic treatment pond water-in by pipe connection to multi-functional water distributor (25), multi-functional water distributor is horizontally set near bottom, aerobic treatment pond, be evenly equipped with posticum on the multi-functional water distributor, one-level aerobic treatment pond and secondary aerobic treatment pond are an integral body of welding, secondary aerobic treatment pond water-in (12) is established in top, secondary aerobic treatment pond, and this water inlet is provided with the multi-functional water distributor (25) similar to one-level aerobic treatment pond.Be provided with the gentle mud discharging device of carrying of aerating apparatus in the aerobic treatment pond, aerating apparatus is, be provided with below the aerobic treatment pond the 1 horizontal 3-4 that places in the supporting (24) vertical, be connected with many aeration tubes (23) mutually, each aeration tube is distributed near aerobic treatment pond bottom position, and aeration tube is connected with the air outlet of gas blower (22) under water by induction pipe (14).Gas is carried mud discharging device, be provided with gas at aerobic treatment pond right-hand member and carry shore pipe (11), gas is carried the shore pipe middle part and is connected with gas exhaust tracheae (15), gas exhaust tracheae is connected with gas blower (22) under water, the blast inlet of gas blower (16) is caused more than the liquid level by pipeline under water, the shore pipe lower end is unsettled, and the mud discharging mouth of upper end (30) leads to outside the aerobic treatment pond.In the aerobic treatment pond, be provided with microbial film (9).Terminal upper right side, secondary aerobic treatment pond be provided with sterilised filtration between (17) water outlet (29) and effluent weir (30) of linking to each other, between sterilised filtration (17) be provided with sterilization pool (27), under water air blast cabin (18) and filter between (28), be provided with guiding device in the sterilization pool, guiding device is, be fixedly connected with 3 flow deflectors (5) with sterilization pool inwall one side, interlace before and after the position of each flow deflector, form crooked water stream channel (31).Be provided with water pump (21) at the water stream channel end, the water outlet of water pump by pipe connection to disc filter (19), the disc filter outlet is connected to clear water output (20), at the other sterilization explosive barrel (26) that is provided with of disc filter, sterilization explosive barrel (26) is connected to sterilization pool (27) by disinfectant pipeline (34).Outer wall bottom between anaerobism equalizing tank, aerobic treatment pond and sterilised filtration is provided with scroll wheel (35), and both sides, outer wall top are provided with suspension ring (36).Gas blower (22), water pump (21), magnetic valve equipment such as (33) and PLC automatic control device are electrically connected under water.Be equipped with inspection window (3) on (17) between anaerobism equalizing tank (4), aerobic treatment pond and sterilised filtration, air blast cabin (18) is located in the sterilization pool (27) under water.
Between anaerobism equalizing tank of the present utility model, aerobic treatment pond and sterilised filtration 3 independent separately, interconnect again.When sewage enters at the anaerobism equalizing tank from sewage inlet, water stream channel along the labyrinth-like bending of being made up of flow deflector moves ahead, effluent stream is behind A Ke climing (Aquamats) biofilm carrier, end at water stream channel enters the filler storehouse, hydrolysis of organic matter, preposition chemical dephosphorization, supplementary carbon source is regulated water quality and quantity automatically.Sewage through filler handle the back by water pump from the bottom pump multi-functional water distributor of aerobic treating pond extremely, pending water is evenly injected below, aerobic treatment pond by aperture, carry out the anti-digestive process that anaerobism stirs, the aerating apparatus of bottom, aerobic treatment pond passes through aeration, make the microorganism in the water obtain enough dissolved oxygens, the organism in the sewage obtains sufficient oxygenolysis.The mud that is deposited on the bottom is proposed the mud discharging device discharge by gas, pending sewage rises to microbial film by the Aerobic Pond below, make sewage obtain biomembranous purification once more, sewage after secondary biochemical treatment is purified the sixth of the twelve Earthly Branches fully, under the water pump effect, pass through the water outlet inflow sterilization pool of the mode of top water water outlet afterwards from top, aerobic treatment pond, sterilization pool also is provided with guiding device, water obtains sufficiently sterilised in the water stream channel of the labyrinth-like bending of being made up of flow deflector moves ahead, end at water stream channel is filtered by water pump pump to disc filter, and the clear water after the filtration is discharged by outlet.Scroll wheel is housed in this integration apparatus bottom, easily the position move, adjustment etc.The installation hanger of this equipment can allow transportation and installation save a lot of loaded down with trivial details problems.Casing antifouling paste use company makes novel mixing antifouling paste by oneself, low cost, and working life is at least more than 8 years.
Claims (7)
1. sequence batch (mud film symbiosis integrated water treatment equipment, comprise anaerobism equalizing tank (4) and aerobic treating pond (10), it is characterized in that, anaerobism equalizing tank (4) is connected with aerobic treatment pond (10) by pipeline, the aerobic treatment pond is connected by (17) between pipeline and sterilised filtration, wherein, anaerobism equalizing tank upper end is provided with sewage inlet (1), be provided with guiding device (5) in the anaerobism equalizing tank (4), be provided with biofilm carrier (38) in the anaerobism equalizing tank, end at water stream channel (31) is provided with at least one filler storehouse (6), basin bottom behind the filler storehouse is provided with water pump (21), the water outlet of water pump by pipe connection to the water outlet (7) that is positioned at anaerobism equalizing tank top, anaerobism equalizing tank water outlet by pipe connection to aerobic treating pond water-in (8), aerobic treatment pond water-in by pipe connection to multi-functional water distributor (25), be provided with the gentle mud discharging device (11) of carrying of aerating apparatus (23) in the aerobic treatment pond, in the aerobic treatment pond, be provided with microbial film (9), be provided with the water outlet (29) that (17) link to each other between effluent weir (32) and sterilised filtration above the aerobic treatment pond, be provided with air blast cabin (18) under water between sterilised filtration, between sterilization pool (27) and filtration (28), be provided with guiding device (5) in the sterilization pool, be provided with water pump (21) at water stream channel (31) end, to disc filter (19), the disc filter outlet is connected to clear water output (20) to the water outlet of water pump by pipe connection.
2. sequence batch (mud film symbiosis integrated water treatment equipment according to claim 1, it is characterized in that, guiding device in described anaerobism equalizing tank (4) and the sterilization pool (27) is, be fixedly connected with at least 2 flow deflectors (5) with anaerobism equalizing tank and sterilization pool inwall respectively, interlace before and after the position of each flow deflector, form crooked water stream channel (31).
3. sequence batch (mud film symbiosis integrated water treatment equipment according to claim 1, it is characterized in that, described aerating apparatus (23) is, be provided with many aeration tubes (23) that place in the supporting (24) below the aerobic treatment pond, each aeration tube is distributed near aerobic treatment pond bottom, and aeration tube is connected with the air outlet of gas blower (22) under water by induction pipe (14).
4. sequence batch (mud film symbiosis integrated water treatment equipment according to claim 1, it is characterized in that, described gas is carried mud discharging device (11), be provided with gas at aerobic treatment pond right-hand member and carry shore pipe (11), gas is carried the shore pipe middle part and is connected with gas exhaust tracheae (15), gas exhaust tracheae is connected with gas blower (22) under water, and the shore pipe lower end is unsettled, and the mud discharging mouth of upper end (30) leads to outside the aerobic treatment pond.
5. sequence batch (mud film symbiosis integrated water treatment equipment according to claim 1, it is characterized in that, the biofilm carrier (38) that described anaerobism equalizing tank (4) front end hangs is A Keman (Aquamats) biofilm carrier, filler storehouse, rear end (6) is two, removably connect with the anaerobism equalizing tank, be respectively charged into iron and wood; Being provided with microbial film (9) in the described aerobic treatment pond is active sludge and microbial film.
6. sequence batch (mud film symbiosis integrated water treatment equipment according to claim 1 is characterized in that described multi-functional water distributor (25) is horizontally disposed with, and is evenly equipped with posticum on the multi-functional water distributor.
7. sequence batch (mud film symbiosis integrated water treatment equipment according to claim 1, it is characterized in that, (17) are provided with scroll wheel (35) between described anaerobism equalizing tank (4), aerobic treatment pond (4) and sterilised filtration in the bottom, and the both sides, top are provided with suspension ring (36); Be provided with inspection window (3) and blow-off valve (37) on (17) between anaerobism equalizing tank (4), aerobic treatment pond and sterilised filtration, air blast cabin (18) is located between sterilised filtration in (17) under water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201668205U CN201809248U (en) | 2010-04-22 | 2010-04-22 | Sequencing mud-membrane symbiosis integrated water treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201668205U CN201809248U (en) | 2010-04-22 | 2010-04-22 | Sequencing mud-membrane symbiosis integrated water treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201809248U true CN201809248U (en) | 2011-04-27 |
Family
ID=43892187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201668205U Expired - Lifetime CN201809248U (en) | 2010-04-22 | 2010-04-22 | Sequencing mud-membrane symbiosis integrated water treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201809248U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107954566A (en) * | 2017-08-07 | 2018-04-24 | 四川君和环保股份有限公司 | A kind of small towns sewage advanced processes integration apparatus |
| CN109650655A (en) * | 2018-12-28 | 2019-04-19 | 安徽国祯环保节能科技股份有限公司 | A kind of SBBR integrated apparatus handled for high ammonia nitrogen rural area and Small Town Wastewater |
-
2010
- 2010-04-22 CN CN2010201668205U patent/CN201809248U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107954566A (en) * | 2017-08-07 | 2018-04-24 | 四川君和环保股份有限公司 | A kind of small towns sewage advanced processes integration apparatus |
| CN109650655A (en) * | 2018-12-28 | 2019-04-19 | 安徽国祯环保节能科技股份有限公司 | A kind of SBBR integrated apparatus handled for high ammonia nitrogen rural area and Small Town Wastewater |
| CN109650655B (en) * | 2018-12-28 | 2021-12-17 | 中节能国祯环保科技股份有限公司 | SBBR integrated device for sewage treatment of high-ammonia-nitrogen rural areas and small towns |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204125300U (en) | A kind of purification tank for the treatment of dispersion type domestic wastewater | |
| CN102775025B (en) | Municipal life wastewater treatment system with high efficiency and low energy consumption | |
| CN103663693B (en) | High-concentration ammonia-nitrogen treatment of Organic Wastewater combination unit and method | |
| CN205740638U (en) | A kind of integrated domestic sewage treatment device | |
| CN213112940U (en) | Domestic sewage treatment system | |
| CN101633545B (en) | Integrated biological and ecological cooperative sewage treatment method and reactor | |
| CN210855718U (en) | Novel rural sewage treatment system | |
| CN201301254Y (en) | Buried type oligodynamic sewage treatment device | |
| CN211595374U (en) | Sewage treatment equipment combining suspended biological membrane with deep filtration | |
| CN2616530Y (en) | Micro-power domestic sewage treatment integrating apparatus | |
| CN202945124U (en) | Urban sewage treatment system with high efficiency and low energy consumption | |
| CN201809248U (en) | Sequencing mud-membrane symbiosis integrated water treatment equipment | |
| CN209890441U (en) | Integrated MBBR sewage treatment equipment | |
| CN202543002U (en) | Sewage treatment system | |
| CN204675952U (en) | The buried sewage treatment equipment that a kind of low noise sound pitch is integrated | |
| CN201458913U (en) | Integrated biological ecological coordinated sewage treatment reactor | |
| CN106517699A (en) | Efficient household garbage sewage system and technology thereof | |
| CN206843280U (en) | A kind of medical treatment or Domestic sewage integrated treatment unit | |
| CN202011812U (en) | Integrated equipment for treating high-concentration organic wastewater | |
| CN205170492U (en) | Domestic sewage purification system of unpowered aeration | |
| CN201381260Y (en) | Integrated biomembrane/physicochemical coordinated sewage treatment device | |
| CN101759331B (en) | System for treating sewage of preposition activated sludge-gallery type artificial wetland and method therefor | |
| CN210796140U (en) | Domestic sewage treatment device | |
| CN209468196U (en) | One kind being based on A2The vertical integrated sewage disposal device of/O technique | |
| CN205635253U (en) | Intelligent sewage treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110427 |