CN201390685Y - Rural sewage treatment station adopting unit type membranes and biological decomposition - Google Patents
Rural sewage treatment station adopting unit type membranes and biological decomposition Download PDFInfo
- Publication number
- CN201390685Y CN201390685Y CN200920013004U CN200920013004U CN201390685Y CN 201390685 Y CN201390685 Y CN 201390685Y CN 200920013004 U CN200920013004 U CN 200920013004U CN 200920013004 U CN200920013004 U CN 200920013004U CN 201390685 Y CN201390685 Y CN 201390685Y
- Authority
- CN
- China
- Prior art keywords
- biological treatment
- membrane bioreactor
- lift pump
- sewage treatment
- chamber
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The utility model relates to a rural sewage treatment station adopting unit type membranes and biological decomposition, which is characterized in that a biological treatment pool with a sewage settling chamber and a regenerated water chamber are buried in the ground, a pit, which is flushed with the top of the biological treatment pool and in which a clean water tank is mounted, is buried outside the biological treatment pool, and a membrane bioreactor is mounted on the bottom in the clean water tank; a top cover board is arranged on the top of the biological treatment pool and the pit, an electric operation room in which a blower, an electric control box and a suction pump are mounted is arranged upon the top cover board, the outlet of the suction pump is connected with a water supply tube, the inlet of the suction pump is connected with the outlet tube of the membrane bioreactor, a spare suction pump which is connected with the top outlet tube of the membrane bioreactor is mounted on the inner wall of the upper part of the clean water tank, and a spare water supply tube is mounted on the spare suction pump. The structure of the rural sewage treatment station is reasonable and compact, the efficiency of sewage treatment is high, the quality of produced water is good, no activated sludge is produced, and the rural sewage treatment station can be used for sewage treatment in the cold season as well as the other seasons, and is characterized by automated operations, small land area occupation, low investment cost, convenient use and the like.
Description
Technical field
The utility model relates to waste disposal plant, and particularly front end adopts biological decomposition and terminal to adopt membrane bioreactor to carry out a kind of unit type membrane and the biolytic country sewage treatment station of combined treatment sewage.
Background technology
As everyone knows, water is one of whole tellurian scarce resource at present, in order to economize on the environmental pollution of water source and minimizing sanitary sewage and fecal sewage, therefore, sewage disposal is extremely urgent, since record modern times, because people's attention sixties, extensively adopt various sewage disposal modes in each large and small city, obtained obvious improvement in the environmental pollution of economizing on water source and minimizing sanitary sewage and fecal sewage; But in vast rural area and mountain area sanitary sewage, fecal sewage are handled and also do not brought into schedule, remain blank out.This is because rural area and mountain area are subjected to various factors such as geographical environment and climatic condition, sparsely populated, power supply, is difficult to lay due to the influence of factors such as the pipeline that focuses on usefulness and investment cost are big; Along with advancing of New Countryside Construction, in new rural area, the house of various novel unique texture is more and more, only the sewage of sanitary sewage, ight soil still be can not get the processing of science; Like this, both wasted water, contaminate environment again, the looks with new rural area do not match very much simultaneously, and are not only unhygienic but also uncivil.At present, in market, various sewage disposals have been found, have handled that its structure is to divide in regular turn to be separated with a plurality of aerator tanks, a plurality of settling bath Chi Peng, disinfected-decolorized groove, hopper in fixed sealing antiseepage pond as biological decomposition; Open oxygenation blower fan air feed, by pipeline or groove sanitary sewage, the fecal sewage of flushing the toilet are sent in the shed grate basket of aerator tank end face, remove and flow into aeration, oxidation in the aerator tank behind the floating matter, enter settling bath, and then the reuse water that flows into after sterilization in the disinfected-decolorized groove, the decolouring flows in the hopper, at this moment, or with water pump the water of handling well is exported from rising pipe, or directly discharging is used to flush the toilet, afforests, irrigates.Since the eighties in 20th century, the institute of each research unit and institution of higher education, sewage disposal is constantly studied, having released one after another with Hollow Fiber Ultrafiltration (UF) and reverse osmosis (RO) is the membrane technology of representative, as tubular type tubular fibre film filter, it is in a shell or puts by hollow-fibre membrane and be rolled into the box membrane bioreactor that hangs several flaky hollow-fibre membranes on the tubular type tubular fibre film filter of several layers or the support in a shell.Although the sewage disposal of membrane bioreactor, has easy handling, the separation efficiency height, characteristics such as water outlet quality better, but above-mentioned two kinds of sewage disposal technologies also still rest at present and carry out sewage disposal separately, so can only obtain reuse water after sewage disposal, can be used for doing washing, flush the toilet, afforest and daily life water such as irrigation, just can not obtain the water outlet of water outlet quality better.Therefore how according to rural condition, research and develop modular, the water outlet quality better, be applicable to that the round-the-clock Sewage treatment systems in rural area is very necessary.
Summary of the invention
The utility model is intended to the shortcoming and defect part that exists in above-mentioned technology, and provides front end to adopt biological decomposition and terminal to adopt a kind of unit type membrane and the biolytic country sewage treatment station of membrane bioreactor combination.Its structure is not only reasonable in design, compact, both sewage treating efficiency height, water outlet quality better, do not produce active sludge, both be applicable to cold cool season, be applicable to the sewage disposal in other season again, and have operation automation, and floor space is little, and investment cost is low and use characteristics such as very convenient
The purpose of this utility model is to adopt following technical scheme to realize: described country sewage treatment system, comprise biological treatment tank and membrane bioreactor, it is characterized in that: at ground embedded set biological treatment tank, side branch in the biological treatment tank is separated with the settlement of sewage chamber, the outer wall top of settlement of sewage chamber is provided with the sewage import, the partition wall of settlement of sewage chamber is provided with sewage inlet, the end branch of the opposite side in the biological treatment tank is separated with the reuse water chamber, the next door of regeneration hydroecium is provided with the taphole that is communicated with biological treatment tank, the embedding melt pit concordant in the outside of the biological treatment tank of close regeneration hydroecium with the biological treatment tank end face, the filtered water tank of packing in the melt pit, the regeneration water pipe that the installing of filtered water tank top is communicated with the regeneration hydroecium, the outer upper of filtered water tank is provided with overflow weir, at filtered water tank inner bottom part dress membrane bioreactor; Biological treatment tank except that the settling chamber and melt pit top cover lamina tecti, stacked electric control operation chamber on lamina tecti, be in blower fan and electric control box that the indoor installing oxygen supply of electric control operation of biological treatment tank one side is used, the outlet of blower fan connects oxygen supply house steward's a end, arranged distribution has the arm to oxygen supply in the biological treatment tank on the oxygen supply house steward pipeline section, connect manual valve on oxygen supply house steward's the other end pipeline section, the next door bottom that oxygen supply house steward's end passes biological treatment tank enters in the filtered water tank in the spacing at the end and membrane bioreactor, and arranged distribution has several aerate heads of oxygen supply up on the oxygen supply house steward pipeline section relative with the membrane bioreactor bottom; The opposite side installing lift pump that electric control operation is indoor, the pump outlet that draws water is connected with water-supply pipe to outdoor supply clear water, the import of lift pump is connected with the tube stub of pipeline with membrane bioreactor top exit pipe one side, connection traffic meter on the pipeline pipeline section is connected with manual valve and hydraulic gage respectively in regular turn on the pipeline section of the both sides of under meter; Installing is by the standby lift pump of stent support on the chamber interior wall on one side stage rank, filtered water tank top, the import of standby lift pump is connected with the tube stub of pipe with membrane bioreactor top exit pipe opposite side, and the standby pump outlet that draws water is connected with standby water-supply pipe to outdoor supply clear water.
Described settling chamber end face installing active top cover, the sewage inspection window is laid at the top of top cover.
Described electric control operation chamber is made by steel construction and sheet material assembling, is provided with illumination and door and window.Its profile, can cooperate the room, novel unique house of rising in the new rural area profile, build up the treatment chamber with view profile of all kinds, use and improve decorative appearance of the present utility model U.S..
Described melt pit or build with cement or with brick, barnacle and to make.
Described filtered water tank adopts the glass reinforced plastic of corrosion preventive and strength to make, and its height is more than 3.2 meters, and its top stretches on the ground, in the case height of reuse water liquid level should be not less than case high 3/5, and the box top is connected with lid.Described standby lift pump should be installed in the top of reuse water liquid level in the case.
Described electric control box is that the normal operation of installing blower fan, lift pump, membrane bioreactor and standby lift pump in case is equipped with the programme control circut of being made up of electrical element, realizes the operation sequence automatization of blower fan, lift pump, membrane bioreactor and standby lift pump.
All install manual valve on the rising pipe of described supply clear water and the pipeline section of rising pipe.
Described several aerate heads, corresponding with the length direction of membrane bioreactor, at least connect a row on the oxygen supply house steward oxygen supply branch line of being made up of a plurality of aerate heads is housed, spread all on the end face of each aerate head and be provided with quick-fried pore, the diameter of each quick-fried pore is below 0.05mm.
Principle of the present utility model and operation are described below:
The sewage that needs are handled compiles the biological treatment tank of sending into front end by the sewage import, sewage just passes through a series of effective decomposition of efficient microbial strain in biological treatment tank after, output reuse water and flowing in the reuse water circular chamber, and then unboiled water flows in the filtered water tank through the regeneration water pipe, by the clear water after the processing that is loaded on the membrane bioreactor in the filtered water tank, just extract out to people and supply clear water usefulness from the rising pipe at membrane bioreactor top or by lift pump or by standby lift pump.Described standby lift pump is mainly used for clear water to people in freezing season.When freezing season, as long as lift pump in the electric control operation chamber and manual valve are closed, and open standby lift pump and manual valve just still can be used for clear water to people in freezing season; Because membrane bioreactor and standby lift pump all are contained in the darker melt pit, membrane bioreactor and standby lift pump are incubated; So, during freezing season, use standby lift pump to supply clear water usefulness to people, all the other come to supply clear water to people with regard to the lift pump in the available electric control operation chamber, realize that the utility model can round-the-clockly supply clear water to use to people.
Combine the above technical scheme of being taked, realize the purpose of this utility model.
Compared with prior art, because the utility model front end adopts biological decomposition and terminal to adopt the sewage disposal of membrane bioreactor combination.It has following characteristics:
1, its reasonable in design, compactness, both sewage treating efficiency height, the water outlet quality better does not produce active sludge, prevents secondary pollution.
2, it both had been applicable to freezing season, was applicable to the sewage disposal in other season again, and it both had been applicable to the sewage disposal of rural area single household, was applicable to the sewage disposal at many families, rural area again.
3, have operation automation, floor space is little, and investment cost is low and use characteristics such as very convenient.
Description of drawings
The utility model has three width of cloth accompanying drawings.Wherein:
Accompanying drawing 1 is the main TV structure diagrammatic sketch of one of embodiment of the present utility model;
Accompanying drawing 2 is along the cross-sectional schematic of A-A line among Fig. 1.
Accompanying drawing 3 is main TV structure diagrammatic sketch of two of embodiment of the present utility model.
Among the figure: 1, the settlement of sewage chamber, 2, top cover, 3, inspection window, 4, biological treatment tank, 5, lamina tecti, 6, the electric control operation chamber, 7, the oxygen supply house steward, 8, blower fan, 9, electric control box, 10, manual valve, 11, arm, 12, the regeneration hydroecium, 13, lift pump, 14, water-supply pipe, 15, manual valve, 16, pipeline, 17, under meter, 18, lid, 19, standby lift pump, 20, standby water-supply pipe, 21, pipe, 22, overflow weir, 23, filtered water tank, 24, the regeneration water pipe, 25, aerate head, 26, the sewage import, 27, sewage inlet, 28, illumination, 29, melt pit, 30, membrane bioreactor, 31, taphole.
Embodiment
Be one of embodiment of the present utility model shown in Fig. 1,2, it is unit type membrane and the biolytic country sewage treatment station of installing at exclusive peasant household place; Comprise biological treatment tank 4 and membrane bioreactor 30, it is characterized in that: at ground embedded set biological treatment tank 4, left side branch in the biological treatment tank 4 is separated with settlement of sewage chamber 1, the outer wall top of settlement of sewage chamber 1 is provided with sewage import 26, the partition wall of settlement of sewage chamber 1 is provided with sewage inlet 27, the end branch on the right side in the biological treatment tank 1 is separated with reuse water chamber 12, the next door of regeneration hydroecium 12 is provided with the taphole 31 that is communicated with biological treatment tank 4, melt pit 29 near the embedding cement system concordant in the outside of biological treatment tank 1 of regeneration hydroecium 12 with the biological treatment tank end face, pack in the melt pit 29 by the filtered water tank 23 of the glass steel of corrosion preventive and strength, the regeneration water pipe 24 that the installing of filtered water tank 23 tops is communicated with regeneration hydroecium 12, the right outer upper of filtered water tank 23 is provided with overflow weir 22, at filtered water tank 23 inner bottom parts dress membrane bioreactor 30; Biological treatment tank 4 except that settling chamber 1 and melt pit 29 tops cover lamina tecti 5, stacked electric control operation chamber 6 on lamina tecti 5, and described electric control operation chamber 6 is made by steel construction and sheet material assembling, is provided with illumination 28 and door and window; Be in the installing oxygen supply are used in the electric control operation chamber 6 in biological treatment tank 4 left sides blower fan 8 and electric control box 9, described electric control box 9 is that the normal operation of installing blower fan 8, lift pump 13, membrane bioreactor 30 and standby lift pump 19 in case is equipped with the programme control circut of being made up of electrical element, realizes the operation sequence automatization of blower fan 8, lift pump 13, membrane bioreactor 30 and standby lift pump 19; The outlet of blower fan 8 connects oxygen supply house steward 7 left end, arranged distribution has 7 arms 11 of giving oxygen supply in the biological treatment tank 4 on oxygen supply house steward 7 pipeline sections, connect manual valve 10 on oxygen supply house steward 7 the right-hand member pipeline section, the next door bottom that oxygen supply house steward 7 end passes biological treatment tank 4 enters in the filtered water tank 23 in the spacing at the ends and membrane bioreactor 30, arranged distribution has 3 several aerate heads of row of oxygen supply up on oxygen supply house steward 7 pipeline sections relative with the membrane bioreactor bottom, described several aerate heads, corresponding with the length direction of membrane bioreactor, on oxygen supply house steward 7, connect three rows the oxygen supply branch line of being made up of a plurality of aerate heads 25 is housed, spread all on the end face of each aerate head and be provided with quick-fried pore, the diameter of each quick-fried pore is 0.03mm; Right side installing lift pump 13 in the electric control operation chamber 6, the outlet of lift pump 13 is connected with water-supply pipe 14 to outdoor supply clear water, be connected with manual valve 10 on the water-supply pipe 14, the import of lift pump 13 is connected with the tube stub of pipeline 16 with membrane bioreactor 30 top exit pipes left side, connection traffic meter 17 on the pipeline section of pipeline 16 is connected with manual valve 10 and hydraulic gage 15 respectively in regular turn on the pipeline section of the both sides of under meter 17; Installing is by the standby lift pump 19 of stent support on the chamber interior wall of filtered water tank 23 upper right steps, the import of standby lift pump 19 is connected with the tube stub of pipe 21 with membrane bioreactor 30 top exit pipe right sides, the outlet of standby lift pump 13 is connected with standby water-supply pipe 20 to outdoor supply clear water, and standby water-supply pipe 20 connects manual valves 10.
Shown in Figure 3 is two of embodiment of the present utility model, and it is at five tame peasant household places shared unit type membrane and biolytic country sewage treatment station to be installed; Different is with five tame peasant households respectively with pipeline separately sewage be pooled in the settlement of sewage chamber 1.All the other structures are all identical with one of embodiment.
The above; it only is preferable embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; all are familiar with those skilled in the art in the disclosed technical scope of the utility model, are equal to replace or change according to the technical solution of the utility model and design of the present utility model thereof all should be encompassed within the protection domain of the present utility model.
Claims (8)
1, a kind of unit type membrane and biolytic country sewage treatment station, comprise biological treatment tank (4) and membrane bioreactor (30), it is characterized in that: at ground embedded set biological treatment tank (4), side branch in the biological treatment tank (4) is separated with settlement of sewage chamber (1), the outer wall top of settlement of sewage chamber (1) is provided with sewage import (26), the partition wall of settlement of sewage chamber (1) is provided with sewage inlet (27), the end branch of the opposite side in the biological treatment tank (4) is separated with reuse water chamber (12), the next door of regeneration hydroecium (12) is provided with the taphole (31) that is communicated with biological treatment tank (4), the embedding melt pit (29) concordant in the outside of the biological treatment tank (4) of close regeneration hydroecium (12) with biological treatment tank (4) end face, the filtered water tank (23) of packing in the melt pit (29), the regeneration water pipe (24) that the installing of filtered water tank (23) top is communicated with regeneration hydroecium (12), the outer upper of filtered water tank (23) is provided with overflow weir (22), at filtered water tank (23) inner bottom part dress membrane bioreactor (30); Biological treatment tank (4) except that settling chamber (1) and melt pit (29) top cover lamina tecti (5), go up stacked electric control operation chamber (9) in lamina tecti (5), be in the installing oxygen supply is used in the electric control operation chamber (6) of biological treatment tank (4) one sides blower fan (8) and electric control box (9), the outlet of blower fan (8) connects oxygen supply house steward's (7) a end, arranged distribution has the arm (11) to the interior oxygen supply of biological treatment tank (4) on oxygen supply house steward (7) pipeline section, connect manual valve (10) on oxygen supply house steward's (7) the other end pipeline section, the next door bottom that oxygen supply house steward's (7) end passes biological treatment tank (4) enters in the space between filtered water tank (24) inner bottom surface and the membrane bioreactor (30), and arranged distribution has several aerate heads (25) of oxygen supply up on relative oxygen supply house steward (7) pipeline section bottom membrane bioreactor (30); Opposite side installing lift pump (13) in the electric control operation chamber (6), the outlet of lift pump (13) is connected with water-supply pipe (14) to outdoor supply clear water, the import of lift pump (13) is connected with the tube stub of pipeline (16) with membrane bioreactor (30) top exit pipe one side, on outlet pipe (16) pipeline section, connect a hydraulic gage (15) in regular turn, manual valve (10), under meter (17), another hydraulic gage (15), and on rising pipe (16) pipeline section between under meter (17) and another hydraulic gage (15), be connected manual valve (10) with pipeline, installing is by the standby lift pump (19) of stent support on the chamber interior wall on one side stage rank, filtered water tank (23) top, the import of standby lift pump (19) is connected with the tube stub of pipe (21) with membrane bioreactor (30) top exit pipe opposite side, and the outlet of standby lift pump (19) is connected with standby water-supply pipe (20) to outdoor supply clear water.
2, by described unit type membrane of claim 1 and biolytic country sewage treatment station, it is characterized in that: described settling chamber (1) end face installing active top cover (2), lay sewage inspection window (3) on the end face of top cover (2).
3, by described unit type membrane of claim 1 and biolytic country sewage treatment station, it is characterized in that: described electric control operation chamber (6) is made by steel construction and sheet material assembling, is provided with illumination (28) and door and window.
4, by described unit type membrane of claim 1 and biolytic country sewage treatment station, it is characterized in that: described melt pit (29) or build with cement or with brick, barnacle and to make.
5, by described unit type membrane of claim 1 and biolytic country sewage treatment station, it is characterized in that: described filtered water tank (23) adopts the glass-reinforced plastic material of corrosion preventive and strength to make, its height is more than 3.2 meters, its top stretches on the ground, in the case height of reuse water liquid level should be not less than case high 3/5, and the box top is connected with lid (18).
6, by described unit type membrane of claim 1 and biolytic country sewage treatment station, it is characterized in that: described electric control box (9) is that the normal operation of installing blower fan (8), lift pump (13), membrane bioreactor (30) and standby lift pump (19) in case is equipped with the programme control circut of being made up of electrical element, realizes the operation sequence automatization of blower fan (8), lift pump (13), membrane bioreactor (30) and standby lift pump (19).
7, by described unit type membrane of claim 1 and biolytic country sewage treatment station, it is characterized in that: all install manual valve (10) on the pipeline section of water-supply pipe of described supply clear water (14) and standby water-supply pipe (20).
8, by described unit type membrane of claim 1 and biolytic country sewage treatment station, it is characterized in that: described several aerate heads (25), corresponding with the length direction of membrane bioreactor (30), on oxygen supply house steward (7), connect a row at least the oxygen supply branch line of being made up of a plurality of aerate heads (25) is housed, spread all on the end face of each aerate head (25) and be provided with quick-fried pore, the diameter of each quick-fried pore is below 0.05mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920013004U CN201390685Y (en) | 2009-04-14 | 2009-04-14 | Rural sewage treatment station adopting unit type membranes and biological decomposition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920013004U CN201390685Y (en) | 2009-04-14 | 2009-04-14 | Rural sewage treatment station adopting unit type membranes and biological decomposition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201390685Y true CN201390685Y (en) | 2010-01-27 |
Family
ID=41597508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920013004U Expired - Lifetime CN201390685Y (en) | 2009-04-14 | 2009-04-14 | Rural sewage treatment station adopting unit type membranes and biological decomposition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201390685Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790707A (en) * | 2015-04-19 | 2015-07-22 | 郴州福鑫有色金属有限公司 | Alkali liquor storage pool |
| CN105541047A (en) * | 2016-02-03 | 2016-05-04 | 甘肃恒基泰环保科技有限公司 | Buried sewage treatment system and control method thereof |
-
2009
- 2009-04-14 CN CN200920013004U patent/CN201390685Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790707A (en) * | 2015-04-19 | 2015-07-22 | 郴州福鑫有色金属有限公司 | Alkali liquor storage pool |
| CN104790707B (en) * | 2015-04-19 | 2017-01-25 | 湖南福欣锗业科技有限公司 | Alkali liquor storage pool |
| CN105541047A (en) * | 2016-02-03 | 2016-05-04 | 甘肃恒基泰环保科技有限公司 | Buried sewage treatment system and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204125300U (en) | A kind of purification tank for the treatment of dispersion type domestic wastewater | |
| CN203212438U (en) | Micro-power countryside decentralized-type sewage treatment device | |
| US10988397B2 (en) | Integrated greening device and method for recycling wastewater | |
| RU156232U1 (en) | INSTALLATION FOR BIOLOGICAL WATER TREATMENT | |
| CN211972058U (en) | Energy self-sufficient type combination formula integration sewage treatment device | |
| CN201390685Y (en) | Rural sewage treatment station adopting unit type membranes and biological decomposition | |
| CN201648190U (en) | Oily-sewage separation processing device | |
| CN101519262B (en) | Mobile sewage treatment station of unit type membrane and biological decomposition | |
| CN108193898A (en) | City green energy saving building | |
| CN101519263B (en) | Country sewage treatment station of unit type membrane and biological decomposition | |
| CN105906160A (en) | Unpowered sewage treatment device | |
| CN203999284U (en) | Domestic sewage ecological environment-friendly processing unit | |
| CN202849198U (en) | Buried flat sheet membrane MBR (membrane biological reactor) sewage treatment device | |
| CN105084660A (en) | Contact oxidation sewage treatment device and treatment method thereof | |
| CN212982578U (en) | Integrated villages and towns sewage treatment system | |
| CN109319926A (en) | A kind of domestic sewage processing system | |
| CN2818472Y (en) | In situ composite reaction treater for domestic and fecal sewage | |
| CN210103647U (en) | Be applied to rural domestic wastewater's processing apparatus | |
| CN204246891U (en) | A kind of sewage purification and automatic back-washing blowdown apparatus | |
| CN201390686Y (en) | Mobile sewage treatment station adopting unit type membranes and biological decomposition | |
| CN111777259A (en) | Integrated small-sized sewage treatment device and treatment method | |
| CN202061553U (en) | Immersed ultrafiltration membrane pond | |
| CN2898144Y (en) | Toilet by solar biological resources | |
| CN100368323C (en) | In situ composite reaction treatment device for life effluent and dejecta effluent | |
| CN100398757C (en) | Solar energy-biological resource toilet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100127 Effective date of abandoning: 20090414 |