CN210945254U - Constructed wetland treatment device for rural domestic sewage - Google Patents

Constructed wetland treatment device for rural domestic sewage Download PDF

Info

Publication number
CN210945254U
CN210945254U CN201921759044.7U CN201921759044U CN210945254U CN 210945254 U CN210945254 U CN 210945254U CN 201921759044 U CN201921759044 U CN 201921759044U CN 210945254 U CN210945254 U CN 210945254U
Authority
CN
China
Prior art keywords
packing layer
chamber
pond
pipe
artifical
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 - Fee Related
Application number
CN201921759044.7U
Other languages
Chinese (zh)
Inventor
任珺
李永强
王挺
陶玲
任伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gansu Haoyu Environmental Protection Technology Co ltd
Original Assignee
Gansu Haoyu Environmental Protection Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gansu Haoyu Environmental Protection Technology Co ltd filed Critical Gansu Haoyu Environmental Protection Technology Co ltd
Priority to CN201921759044.7U priority Critical patent/CN210945254U/en
Application granted granted Critical
Publication of CN210945254U publication Critical patent/CN210945254U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Biological Treatment Of Waste Water (AREA)

Abstract

The utility model discloses a rural domestic sewage's constructed wetland processing apparatus relates to rural sewage treatment technical field. This constructed wetland processing apparatus includes septic tank, preliminary treatment pond, first constructed wetland pond, second constructed wetland pond, the septic tank left side is equipped with the collection dirty pipe, the septic tank right side is equipped with defeated dirty pipe and preliminary treatment pond intercommunication, preliminary treatment pond right side is equipped with first raceway and first constructed wetland pond intercommunication, first constructed wetland pond right side is equipped with second raceway and second constructed wetland pond intercommunication, second constructed wetland pond right side is equipped with the drain pipe. The utility model discloses utilize septic tank and preliminary treatment pond to carry out multistage microbial fermentation preliminary treatment in advance to domestic sewage, the degradation organic composition is successively sent into first artifical wetland pond, the artifical wetland pond of second of different flow directions and is carried out deep purification treatment, has improved sewage treatment efficiency and purification degree, and the waste water after the preliminary treatment is difficult for blockking up the constructed wetland pipeline in low reaches.

Description

Constructed wetland treatment device for rural domestic sewage
Technical Field
The utility model relates to a rural sewage treatment technical field, concretely relates to rural domestic sewage's constructed wetland processing apparatus.
Background
With the increasing severity of the water pollution problem, a series of powerful measures are taken for remedying the water pollution at home and abroad. The common centralized sewage treatment facility in rural areas lacking municipal sewage pipe networks has great limitation in actual operation, and the collection and treatment of domestic sewage are difficult.
The artificial wetland is a sewage biological treatment technology developed in the late 70 s of the 20 th century. The technology has the advantages of low investment and operation cost, convenient maintenance and management and the like, and is particularly suitable for rural areas with relatively laggard funds and technologies. Under the big background of centralized control of rural environment in China, the technology is widely popularized and used. However, in the field operation process, the technology has the advantage of convenient maintenance and management, but has the obvious defect of no regulation and control. Except for the water inlet load of the system, the content that managers can regulate and control is not much. The poor controllability is an important reason for the failure of most of the conventional constructed wetlands, such as the occurrence of substrate blockage.
SUMMERY OF THE UTILITY MODEL
In view of this, the purpose of this application is to provide a rural domestic sewage's constructed wetland treatment device to the problem that current constructed wetland treatment device for rural domestic sewage is uneven, is easy to block up, and purification efficiency is lower.
For solving above technical problem, the utility model provides a technical scheme is a rural domestic sewage's constructed wetland processing apparatus, including septic tank, preliminary treatment pond, the septic tank left side is equipped with the sewage collection pipe, the septic tank right side is equipped with defeated dirty pipe and preliminary treatment pond intercommunication, still includes first artifical wetland pond, the artifical wetland pond of second, preliminary treatment pond right side is equipped with first raceway and first artifical wetland pond intercommunication, first artifical wetland pond right side is equipped with second raceway and second artifical wetland pond intercommunication, second artifical wetland pond right side is equipped with the drain pipe, first artifical wetland pond and the artifical wetland pond of second are the concrete wall body of the prevention of seepage processing of right trapezoid structure, and first artifical wetland pond is the artifical wetland pond of up-going undercurrent formula, and the artifical wetland pond of second is horizontal undercurrent formula.
Further, the septic tank includes first cavity, second cavity, third cavity, all be equipped with the through-hole between first cavity and second cavity, second cavity and the third cavity, first cavity, second cavity, third cavity top all are equipped with the clear dirty mouth, vertical direction is equipped with the (mixing) shaft in the middle of the first cavity, the (mixing) shaft is connected with the agitator motor coaxial coupling that first cavity top set up, the septic tank top is equipped with the medicament case, the medicament case passes through the first cavity of pipeline intercommunication, is equipped with the solenoid valve on the pipeline between medicament case and the first cavity, is equipped with liquid biological septic agent in the medicament case.
Further, the pretreatment tank comprises an anoxic chamber and an aerobic chamber, the tops of the anoxic chamber and the aerobic chamber are provided with sewage cleaning ports, microporous aeration pipes are arranged in the anoxic chamber and the aerobic chamber, the microporous aeration pipes are connected with aeration fans arranged at the top of the pretreatment tank through aeration pipes, guide pipes are arranged in the anoxic chamber and the aerobic chamber and communicated with the sewage conveying pipes and the anoxic chamber respectively, L-shaped overflow grooves are arranged on the right side walls of the anoxic chamber and the aerobic chamber, the overflow grooves in the anoxic chamber are located at the water inlet of the guide pipes, the overflow grooves in the aerobic chamber are located at the water inlet of the first water conveying pipe, and suspended fillers are arranged in the anoxic chamber and the aerobic chamber.
Further, first artifical wetland pond has filled first packing layer, second packing layer, third packing layer, fourth packing layer from bottom to top in proper order, the delivery port of first raceway is located first packing in situ, and the delivery port department of first raceway is connected with the first water distributor of horizontal setting, evenly sets up a plurality of round holes on the first water distributor, fourth packing layer right side is close to first artifical wetland pond pool wall department and is equipped with the fifth packing layer, transversely set up first collector pipe in the fifth packing layer, evenly set up a plurality of round holes on the first collector pipe, and with the water inlet of second raceway is connected, plant the floating plant on the fourth packing layer.
Furthermore, a sixth packing layer, a seventh packing layer and an eighth packing layer are sequentially filled in the second constructed wetland pool from left to right, a water outlet of the second water conveying pipe is located in the sixth packing layer, a second water distribution pipe which is transversely arranged is connected to a water outlet of the second water conveying pipe, a plurality of round holes are uniformly formed in the second water distribution pipe, a second water collection pipe is transversely arranged in the eighth packing layer, a plurality of round holes are uniformly formed in the second water collection pipe and are connected with a water inlet of the water outlet pipe, and emergent aquatic plants are planted on the seventh packing layer.
Further, a control box is further arranged at the top of the septic tank and comprises a power supply module, a microcontroller, a GPRS wireless communication module, a first driving module and a second driving module, the power supply module, the GPRS wireless communication module, the first driving module and the second driving module are respectively and electrically connected with the microcontroller, the microcontroller is connected with a remote control terminal network through the GPRS wireless communication module and a GPRS wireless network, the microcontroller is electrically connected with the electromagnetic valve through the first driving module and a lead, and the microcontroller is electrically connected with the stirring motor through the second driving module and the lead; the bottom of the first cavity is also fixedly provided with a pressure sensor, and the pressure sensor is electrically connected with the microcontroller through a lead.
Further, the remote control terminal is a mobile phone.
Furthermore, the first packing layer is gravel with the diameter of 6-15mm, the second packing layer is perlite and zeolite, the third packing layer is coarse sand and fly ash, the fourth packing layer is fine sand and loess, and the fifth packing layer is gravel with the diameter of 6-8 mm.
Furthermore, the sixth packing layer is gravel and zeolite, the seventh packing layer is perlite, fly ash and loess, and the eighth packing layer is gravel with the diameter of 6-8 mm.
Compared with the prior art, the utility model discloses a beneficial technological effect: the septic tank and the pretreatment tank are utilized to carry out multistage microbial fermentation pretreatment on the domestic sewage in advance, degraded organic components are sequentially sent into the first artificial wetland tank and the second artificial wetland tank in different flow directions to carry out deep purification treatment, the sewage treatment efficiency and the purification degree are improved, and the pretreated sewage is not easy to block downstream artificial wetland pipelines; the remote control terminal is utilized to remotely monitor and treat the septic tank through a wireless network, regulate and control whether the biological septic agent is added or not and whether the stirring motor works or not, improve the treatment efficiency of the pretreatment process, save energy and time and labor at the same time.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a block diagram of the control box of fig. 1.
Reference numerals: 1-a septic tank, 2-a pretreatment tank, 3-a first artificial wetland tank, 4-a second artificial wetland tank, 5-a sewage collecting pipe, 6-a sewage conveying pipe, 7-a first water conveying pipe, 8-a second water conveying pipe, 9-a first chamber, 10-a second chamber, 11-a third chamber, 12-an anoxic chamber, 13-an aerobic chamber, 14-a through hole, 15-a stirring motor, 16-a stirring shaft, 17-a control box, 171-a power supply module, 172-a microcontroller, 173-a GPRS wireless communication module, 174-a first driving module, 175-a second driving module, 18-a sewage cleaning port, 19-an electromagnetic valve, 20-a medicament box, 21-a microporous aeration pipe, 22-an aeration fan, 23-a flow guide pipe, 24-a suspended filler, 25-overflow groove, 26-first packing layer, 27-second packing layer, 28-third packing layer, 29-fourth packing layer, 30-fifth packing layer, 31-first water distribution pipe, 32-first water collection pipe, 33-second water distribution pipe, 34-sixth packing layer, 35-seventh packing layer, 36-eighth packing layer, 37-remote control terminal, 38-second water collection pipe, 39-drain pipe and 40-pressure sensor.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the specific embodiments.
As shown in fig. 1 and 2, an artificial wetland treatment device for rural domestic sewage comprises a septic tank 1, a pretreatment tank 2, a first artificial wetland tank 3 and a second artificial wetland tank 4, wherein a sewage collecting pipe 5 is arranged on the left side of the septic tank 1, a sewage conveying pipe 6 and the pretreatment tank 2 are arranged on the right side of the septic tank 1, a first water conveying pipe 7 and the first artificial wetland tank 3 are arranged on the right side of the pretreatment tank 2, a second water conveying pipe 8 and the second artificial wetland tank 4 are arranged on the right side of the first artificial wetland tank 3, a drain pipe 39 is arranged on the right side of the second artificial wetland tank 4, the first artificial wetland tank 3 and the second artificial wetland tank 4 are concrete wall bodies which are of right-angle trapezoid structures and are used for seepage prevention treatment, the first artificial wetland tank 3 is an up-flow artificial wetland tank, and the second artificial wetland tank 4 is a horizontal subsurface artificial wetland tank.
Septic tank 1 includes first cavity 9, second cavity 10, third cavity 11, all be equipped with through-hole 14 between first cavity 9 and second cavity 10, second cavity 10 and the third cavity 11, first cavity 9, second cavity 10, third cavity 11 top all are equipped with clear dirty mouthful 18, vertical direction is equipped with (mixing) shaft 16 in the middle of first cavity 9, the (mixing) shaft 16 is with the 15 coaxial coupling of agitator motor that first cavity 9 top set up, septic tank 1 top is equipped with medicament case 20, medicament case 20 passes through the first cavity 9 of pipeline intercommunication, is equipped with solenoid valve 19 on the pipeline between medicament case 20 and the first cavity 9, is equipped with liquid biological excrement agent in the medicament case 20.
The pretreatment tank 2 comprises an anoxic chamber 12 and an aerobic chamber 13, wherein the tops of the anoxic chamber 12 and the aerobic chamber 13 are respectively provided with a sewage cleaning port 18, microporous aeration pipes 21 are respectively arranged in the anoxic chamber 12 and the aerobic chamber 13, the microporous aeration pipes 21 are connected with an aeration fan 22 arranged at the top of the pretreatment tank 2 through aeration pipes, guide pipes 23 are respectively arranged inside the anoxic chamber 12 and the aerobic chamber 13 and are respectively communicated with a sewage conveying pipe 6 and the anoxic chamber 12, the right side walls of the anoxic chamber 12 and the aerobic chamber 13 are respectively provided with an L-shaped overflow groove 25, the overflow groove 25 in the anoxic chamber 12 is positioned at a water inlet of the guide pipe 23, the overflow groove 25 in the aerobic chamber 13 is positioned at a water inlet of the first water conveying pipe 7, and the anoxic chamber 12 and the aerobic chamber 13 are respectively provided with a suspended filler 24.
First artifical wetland pond 3 has filled first packing layer 26, second packing layer 27, third packing layer 28, fourth packing layer 29 from bottom to top in proper order, the delivery port of first raceway 7 is located first packing layer 26, and the delivery port department of first raceway 7 is connected with the first water-distribution pipe 31 of horizontal setting, evenly sets up a plurality of round holes on the first water-distribution pipe 31, fourth packing layer 29 right side is close to 3 pond walls departments in first artifical wetland pond and is equipped with fifth packing layer 30, transversely set up first collector pipe 32 in the fifth packing layer 30, evenly set up a plurality of round holes on the first collector pipe 32, and with the water inlet of second raceway 8 is connected, plant the floating plant on the fourth packing layer 29.
The second artificial wetland pool 4 is sequentially filled with a sixth packing layer 34, a seventh packing layer 35 and an eighth packing layer 36 from left to right, a water outlet of the second water pipe 8 is positioned in the sixth packing layer 34, a water outlet of the second water pipe 8 is connected with a second water distribution pipe 33 which is transversely arranged, a plurality of round holes are uniformly formed in the second water distribution pipe 33, a second water collection pipe 38 is transversely arranged in the eighth packing layer 36, a plurality of round holes are uniformly formed in the second water collection pipe 38 and are connected with a water inlet of the water outlet pipe 39, and emergent aquatic plants are planted on the seventh packing layer 35.
The top of the septic tank 1 is further provided with a control box 17, the control box 17 comprises a power module 171, a microcontroller 172, a GPRS wireless communication module 173, a first drive module 174 and a second drive module 175, the power module 171, the GPRS wireless communication module 173, the first drive module 174 and the second drive module 175 are respectively electrically connected with the microcontroller 172, the microcontroller 172 is in network connection with the remote control terminal 37 through the GPRS wireless communication module 173 and a GPRS wireless network, the microcontroller 172 is electrically connected with the electromagnetic valve 19 through the first drive module 174 and a lead, and the microcontroller 172 is electrically connected with the stirring motor 15 through the second drive module 175 and a lead; the bottom of the first chamber 9 is further fixedly provided with a pressure sensor 40, and the pressure sensor 40 is electrically connected with the microcontroller 172 through a conducting wire.
The first packing layer 26 is gravel with the diameter of 6-15mm, the second packing layer 27 is perlite and zeolite, the third packing layer 28 is coarse sand and fly ash, the fourth packing layer 29 is fine sand and loess, and the fifth packing layer 30 is gravel with the diameter of 6-8 mm; the sixth packing layer 34 is gravel and zeolite, the seventh packing layer 35 is perlite, fly ash and loess, and the eighth packing layer 36 is gravel with a diameter of 6-8 mm.
The thickness of the first packing layer is 10-20cm, the thickness of the second packing layer is 20-30cm, the thickness of the third packing layer is 10-30cm, the thickness of the fourth packing layer is 30-40cm, the thickness of the fifth packing layer is 10-40cm, and the horizontal distance between the left end of the fifth packing layer and the right side pool wall of the first artificial wetland pool is 10-20 cm; the horizontal distance between the right end of the sixth packing layer and the left side pool wall of the second artificial wetland pool is 10-20cm, and the horizontal distance between the left end of the upper surface of the eighth packing layer and the right side pool wall of the second artificial wetland pool is 10-20 cm.
The remote control terminal 37 is a mobile phone, the microcontroller is STM32F107, and the pressure sensor is PT 124G-213.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.

Claims (9)

1. The utility model provides a rural domestic sewage's constructed wetland processing apparatus, includes septic tank (1), preliminary treatment pond (2), septic tank (1) left side is equipped with collection dirty pipe (5), septic tank (1) right side is equipped with defeated dirty pipe (6) and preliminary treatment pond (2) intercommunication, its characterized in that: still include first artifical wetland pond (3), the artifical wetland pond of second (4), preliminary treatment pond (2) right side is equipped with first raceway (7) and first artifical wetland pond (3) intercommunication, first artifical wetland pond (3) right side is equipped with second raceway (8) and the artifical wetland pond of second (4) intercommunication, the artifical wetland pond of second (4) right side is equipped with drain pipe (39), first artifical wetland pond (3) and the artifical wetland pond of second (4) are the concrete wall body of doing the seepage prevention processing of right trapezoid structure, and first artifical wetland pond (3) are the artifical wetland pond of upward undercurrent formula, and the artifical wetland pond of second (4) are the artifical wetland pond of horizontal undercurrent formula.
2. The artificial wetland treatment device for rural domestic sewage according to claim 1, characterized in that: the septic tank (1) comprises a first chamber (9), a second chamber (10) and a third chamber (11), through holes (14) are arranged between the first chamber (9) and the second chamber (10) and between the second chamber (10) and the third chamber (11), the top parts of the first chamber (9), the second chamber (10) and the third chamber (11) are all provided with a sewage cleaning port (18), a stirring shaft (16) is arranged in the middle of the first chamber (9) in the vertical direction, the stirring shaft (16) is coaxially connected with a stirring motor (15) arranged at the top of the first chamber (9), septic tank (1) top is equipped with chemical tank (20), chemical tank (20) are equipped with solenoid valve (19) through the first cavity of pipeline intercommunication (9) on the pipeline between chemical tank (20) and first cavity (9), are equipped with liquid biological septic agent in chemical tank (20).
3. The artificial wetland treatment device for rural domestic sewage according to claim 1, characterized in that: the pretreatment tank (2) comprises an anoxic chamber (12) and an aerobic chamber (13), the tops of the anoxic chamber (12) and the aerobic chamber (13) are respectively provided with a sewage cleaning port (18), the anoxic chamber (12) and the aerobic chamber (13) are respectively internally provided with a micropore aeration pipe (21), the micropore aeration pipe (21) is connected with an aeration fan (22) arranged at the top of the pretreatment tank (2) through a vent pipe, guide pipes (23) are respectively arranged inside the anoxic chamber (12) and the aerobic chamber (13) and are respectively communicated with a sewage conveying pipe (6) and the anoxic chamber (12), the right side walls of the anoxic chamber (12) and the aerobic chamber (13) are respectively provided with an L-shaped overflow trough (25), the overflow trough (25) in the anoxic chamber (12) is positioned at a water inlet of the guide pipe (23), the overflow trough (25) in the aerobic chamber (13) is positioned at a water inlet of the first water conveying pipe (7), suspended fillers (24) are arranged in the anoxic chamber (12) and the aerobic chamber (13).
4. The artificial wetland treatment device for rural domestic sewage according to claim 1, characterized in that: first artifical wetland pond (3) are filled from bottom to top has first packing layer (26), second packing layer (27), third packing layer (28), fourth packing layer (29) in proper order, the delivery port of first raceway (7) is located first packing layer (26), and the delivery port department of first raceway (7) is connected with first water distributor (31) of horizontal setting, evenly sets up a plurality of round holes on first water distributor (31), fourth packing layer (29) right side is close to first artifical wetland pond (3) pool wall department and is equipped with fifth packing layer (30), transversely set up first collector pipe (32) in fifth packing layer (30), evenly set up a plurality of round holes on first collector pipe (32), and with the water inlet of second raceway (8) is connected, the last floating plant of fourth packing layer (29).
5. The artificial wetland treatment device for rural domestic sewage according to claim 1, characterized in that: the second artificial wetland pond (4) is sequentially filled with a sixth packing layer (34), a seventh packing layer (35) and an eighth packing layer (36) from left to right, a water outlet of the second water delivery pipe (8) is positioned in the sixth packing layer (34), a water outlet of the second water delivery pipe (8) is connected with a second water distribution pipe (33) which is transversely arranged, a plurality of round holes are uniformly formed in the second water distribution pipe (33), a second water collection pipe (38) is transversely arranged in the eighth packing layer (36), a plurality of round holes are uniformly formed in the second water collection pipe (38) and connected with a water inlet of the drain pipe (39), and emergent aquatic plants are planted on the seventh packing layer (35).
6. The artificial wetland treatment device for rural domestic sewage according to claim 2, characterized in that: the top of the septic tank (1) is also provided with a control box (17), the control box (17) comprises a power module (171), a microcontroller (172), a GPRS wireless communication module (173), a first drive module (174) and a second drive module (175), the power module (171), the GPRS wireless communication module (173), the first drive module (174) and the second drive module (175) are respectively and electrically connected with the microcontroller (172), the microcontroller (172) is in network connection with a remote control terminal (37) through the GPRS wireless communication module (173) and a GPRS wireless network, the microcontroller (172) is electrically connected with the electromagnetic valve (19) through the first drive module (174) and a lead, and the microcontroller (172) is electrically connected with the stirring motor (15) through the second drive module (175) and the lead; the bottom of the first cavity (9) is also fixedly provided with a pressure sensor (40), and the pressure sensor (40) is electrically connected with the microcontroller (172) through a lead.
7. The constructed wetland treatment device for rural domestic sewage according to claim 6, characterized in that: the remote control terminal (37) is a mobile phone.
8. The constructed wetland treatment device for rural domestic sewage according to claim 4, characterized in that: the first packing layer (26) is gravel with the diameter of 6-15mm, the second packing layer (27) is perlite and zeolite, the third packing layer (28) is coarse sand and fly ash, the fourth packing layer (29) is fine sand and loess, and the fifth packing layer (30) is gravel with the diameter of 6-8 mm.
9. The constructed wetland treatment device for rural domestic sewage according to claim 5, characterized in that: the sixth packing layer (34) is gravel and zeolite, the seventh packing layer (35) is perlite, fly ash and loess, and the eighth packing layer (36) is gravel with the diameter of 6-8 mm.
CN201921759044.7U 2019-10-21 2019-10-21 Constructed wetland treatment device for rural domestic sewage Expired - Fee Related CN210945254U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921759044.7U CN210945254U (en) 2019-10-21 2019-10-21 Constructed wetland treatment device for rural domestic sewage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921759044.7U CN210945254U (en) 2019-10-21 2019-10-21 Constructed wetland treatment device for rural domestic sewage

Publications (1)

Publication Number Publication Date
CN210945254U true CN210945254U (en) 2020-07-07

Family

ID=71393758

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921759044.7U Expired - Fee Related CN210945254U (en) 2019-10-21 2019-10-21 Constructed wetland treatment device for rural domestic sewage

Country Status (1)

Country Link
CN (1) CN210945254U (en)

Similar Documents

Publication Publication Date Title
CN102757158B (en) Residence community domestic sewage treating system and method
CN203212438U (en) Micro-power countryside decentralized-type sewage treatment device
CN204824550U (en) A device for rural domestic sewage treatment
CN103548757B (en) A kind of cultivating pool substrate processes system
CN102151485A (en) Submerged ultrafiltration membrane tank
CN110818199A (en) Distributed rural domestic sewage low-energy-consumption integrated treatment equipment
CN207738599U (en) Plate type ceramic combined films complete set of equipments
CN203768187U (en) Continuous loop aerated domestic sewage treatment device
CN203781915U (en) Nitrification and denitrification integrated rural domestic sewage treatment system
CN210559663U (en) Hood-driven aerobic reaction sewage treatment device
CN2900513Y (en) Integrated treating and reutilizing device for residential community waste water
CN210945254U (en) Constructed wetland treatment device for rural domestic sewage
CN209890349U (en) Low carbon nitrogen ratio domestic sewage integrated treatment device
CN104430130A (en) Workshop seawater circulating aquaculture and seedling culture system
CN104478099B (en) Detachable sewage treatment equipment
CN110937753A (en) Constructed wetland-microbial fuel cell rural domestic sewage treatment device and treatment method thereof
CN212425798U (en) Integrated sewage treatment device
CN212609820U (en) Novel micro-power domestic sewage treatment device
CN212025094U (en) Dull and stereotyped membrane sewage treatment plant of integrated form MBR
CN210736488U (en) River sewage ecological management device
CN210103712U (en) Bury formula integration waste water exhaust-gas treatment system
CN211035627U (en) Distributed rural domestic sewage low-energy-consumption integrated treatment equipment
CN202061553U (en) Immersed ultrafiltration membrane pond
CN202322552U (en) Wavy biochemical sewage treatment unit
CN206408065U (en) The modular integrated processing equipment of complex media

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200707