CN110104885A - A kind of processing equipment for domestic sewage in rural areas - Google Patents
A kind of processing equipment for domestic sewage in rural areas Download PDFInfo
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- CN110104885A CN110104885A CN201910423960.1A CN201910423960A CN110104885A CN 110104885 A CN110104885 A CN 110104885A CN 201910423960 A CN201910423960 A CN 201910423960A CN 110104885 A CN110104885 A CN 110104885A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The present invention relates to technology for treating domestic sewage in rural area field more particularly to a kind of processing equipment for domestic sewage in rural areas, including cabinet, cabinet includes a relatively independent area, 2nd area, 3rd area, 4th area and 5th area；Extraneous sewage enters a Qu Houzai and is flowed into 2nd area by first through hole, sewage in 2nd area is discharged into 3rd area by water plug, it is introduced in 4th area by water inlet pipe again into the sewage in 3rd area, the purified sewage of device is cleaned to be introduced in 5th area by return pipe, then the sewage in 5th area is discharged into 3rd area by reflux unit again, 4th area are finally again introduced into, circulation is formed；Purified sewage in 4th area is discharged discharge outlet, discharge outlet is located at the top of cabinet, by the way that reflux unit is arranged, part of contaminated water in purification process is drained to sewage purification upstream again, quick, the continuing purge purpose for reaching supplemental oxygen, accelerating sewage, energy consumption is reduced simultaneously, it is easy to operate, it is a kind of three-dimensional integrated sewage treating apparatus of microkinetic ecology.
Description
Technical field
The present invention relates to the processing equipment technical fields of domestic sewage in rural areas, more particularly to one kind to be used for domestic sewage in rural areas
Processing equipment.
Background technique
In recent years, as China's economic development and living standards of the people are continuously improved, Rural Water Environment pollution problem is gradually
An important factor for as novel Urbanization Construction is restricted.In April, 2015, " water prevention and cure of pollution action plan " i.e. ten, water publications,
It is required that promoting agriculture rural pollution prevention and treatment, accelerate rural environment comprehensive improvement, again administering Rural Water Environment becomes everybody
Focus of attention.
Currently, there are many rural domestic sewage treatment process form being composed of both at home and abroad different technologies, it is broadly divided into
Four kinds: " anaerobism+ecology " technique, " aerobic+ecology " technique, " anaerobism+aerobic " technique and " anaerobism+aerobic+ecology " technique, respectively
Use has been put into kind integration apparatus, but the sewage disposal device construction investment of this technical maturity is big, operating cost is high,
And China's countryside sewage treating faces following problems:
One, domestic sewage in rural areas fluctuation is very big, the pollutional load of sanitary sewage and its round the clock, each not phase of seasonal variety
Together.
Two, the selection of sewage treatment process and technology, by local society, the restriction and operation management of the level of economic development
Horizontal limitation.
Three, temperature difference has larger impact to treatment effect.
Four, the size of population is uneven, and water supply standard difference is low, sewage treatment small scale, and point is relatively dispersed.
Five, water outlet is more demanding, and the website requirement for closing on water body is discharged up to " urban wastewater treatment firm pollutant emission
Standard " (GB18918-2002) level-one A standard, currently used rural sewage treatment process is by operation and management level and technique sheet
The restriction total phosphorus index of body is difficult up to standard.
The waste water control equipment and technique of existing maturation are not suitable for administering the sewage that China's life in the countryside generates, so existing
Rural sewage treatment is still a problem.
Summary of the invention
In order to overcome the disadvantage of countryside sewage treating difficulty existing in the prior art, the purpose of the present invention is to provide one
It kind is used for the processing equipment of domestic sewage in rural areas, realizes Low investment, low energy consumption, simple, efficient solution.
To achieve the above object, the technical solution of the present invention is as follows:
A kind of processing equipment for domestic sewage in rural areas, including cabinet, the cabinet include an area, 2nd area, 3rd area, four
Area and 5th area, an area, 2nd area, 3rd area, 4th area and 5th area separate to form independent zones by several isolation boards；
It further include water inlet, water plug, purification device, reflux unit and discharge outlet, extraneous sewage is entered by water inlet
In one area, the water plug is set to 2nd area, and the purification device is set to 4th area, and the reflux unit is set to 5th area；
It further include water inlet pipe and return pipe, the water inlet pipe is connected to three areas Qu Yusi and for introducing the sewage in 3rd area
In 4th area, the return pipe is connected to four areas He Wu, area and for introducing the water in 4th area in 5th area；
First partition is equipped between one area and 2nd area, the first partition is equipped with first through hole, extraneous sewage
It is flowed into 2nd area into a Qu Houzai by first through hole, the sewage in 2nd area is discharged into 3rd area by water plug, into 3rd area
Sewage again by water inlet pipe introduce 4th area in, be cleaned the purified sewage of device by return pipe introduce 5th area in, then again by
Sewage in 5th area is discharged into 3rd area by reflux unit, is finally again introduced into 4th area, forms circulation；
Purified sewage in 4th area is discharged the discharge outlet.
Further, the first strainer is equipped in an area, first strainer is for the particle in filter sewage.
Further, first strainer is obliquely set in an area.
Further, the water plug includes the first water pump and the first water pipe, and the first water pump is via first water pipe
Sewage in 2nd area is discharged into 3rd area.
It further, further include the filter frame for being set to 3rd area, the filter frame is located at the lower section of first water pipe and was used for
Filter the sewage impurity of the first water pipe outflow.
It further, further include flowmeter, the flowmeter is set to the first water pipe and the water outlet close to the first water pipe.
Further, the purification device includes plant culture zone, anoxic zone and the aerobic zone set gradually from top to bottom,
The water inlet pipe is set to aerobic zone, and the return pipe is set to anoxic zone.
Further, the plant culture zone is from above setting gradually haydite floor, dephosphorization filler area, plastics stratum reticulare and load-bearing
Portion, the load receiving part are fixedly connected on wall box.
Further, the reflux unit includes the second water pump and the second water pipe, and the second water pump is via second water pipe
Sewage in 5th area is discharged into 3rd area.
Further, 4th area further includes working area, the working area communicated drainage mouth, and the working area is for storing
By the purified water of purification device.
Beneficial effects of the present invention: by the way that reflux unit is arranged, the part of contaminated water in purification process is drained to dirt again
Water warfare upstream reaches supplemental oxygen, accelerates quick, the continuing purge purpose of sewage, while reducing energy consumption, easy to operate, is
A kind of three-dimensional integrated equipment for wastewater treatment of microkinetic ecology.
Detailed description of the invention
Fig. 1 is top view of the invention；
Fig. 2 is three-dimensional structure diagram of the invention
Fig. 3 is internal structure the first view stereo schematic diagram of the invention；
Fig. 4 is internal structure the second view stereo schematic diagram of the invention；
Fig. 5 is the cross-sectional view in Fig. 1 along the direction A-A；
Fig. 6 is the cross-sectional view in Fig. 1 along the direction B-B；
Fig. 7 is the cross-sectional view in Fig. 1 along the direction C-C.
Appended drawing reference includes:
11-one the 111-the first strainer of area, 12-two area
13-three areas, 14-four area, 141-working area
15-five area's 20-water inlet, 21-water plugs
211-the first water pump 22-purification device of the 212-the first water pipe
221-plant culture zones 2211-haydite, 2212-dephosphorization filler of floor area
2213-222-anoxic zones of plastics 2214-load receiving part of stratum reticulare
223-the 231-the second water pumps of 23-reflux unit of aerobic zone
232-the second water pipe 24-discharge outlet, 31-water inlet pipe
32-return pipe 41-first partition, 411-first through hole
5-6-flowmeters of filter frame.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further below with reference to examples and drawings
Bright, the content that embodiment refers to not is limitation of the invention.
Please refer to Fig. 1 to Fig. 7, a kind of processing equipment for domestic sewage in rural areas of the invention, including cabinet, the case
Body includes an area 11, two areas 12, three areas 13, four areas 14 and five areas 15, an area 11, two areas 12, three areas 13, four areas 14 and five
Area 15 separates to form independent zones by several isolation boards；
Further include water inlet 20, water plug 21, purification device 22, reflux unit 23 and discharge outlet 24, extraneous sewage by
Water inlet 20 enter an area 11 in, the water plug 21 be set to two areas 12, the purification device 22 be set to four areas 14, described time
It flows device 23 and is set to five areas 15；
It further include water inlet pipe 31 and return pipe 32, the water inlet pipe 31 is connected to three areas 13 and four areas 14 and is used for three areas 13
Interior sewage introduces in four areas 14, and the return pipe 32 is connected to four areas 14 and five areas 15 and for the water in four areas 14 to be introduced five
In area 15, the return pipe 32 is located at the top of water inlet pipe 31；
Between one area 11 and 2nd area 12 be equipped with first partition 41, the first partition 41 be equipped with through first every
The first through hole 411 of plate 41, extraneous sewage enters behind an area 11 to be flowed into two areas 12 by first through hole 411 again, water plug 21
Sewage in two areas 12 is discharged into three areas 13, is introduced in four areas 14 by water inlet pipe 31 again into the sewage in three areas 13, it is net
Makeup is set 22 purified sewage and is introduced in five areas 15 by return pipe 32, then again by reflux unit 23 by the sewage in five areas 15
It is discharged into three areas 13, is finally again introduced into four areas 14, form circulation；
Purified sewage in four areas 14 is discharged the discharge outlet 24, and the discharge outlet 24 is located at the top of cabinet.
Specifically, cabinet is in cube shape in the present embodiment, volume specification is length: 2.7 meters, 2 meters wide, 2.7 meters high, cabinet
Inside is isolated plate and is divided into five areas, and an area 11 and 2 12 is arranged side by side and is located at the ipsilateral of three areas 13, and four areas 15 are located at 3rd area
13 other sides far from an area 11, five areas 15 are located in three areas 13 and close to the setting of four areas 14, five areas 15 and an area 11 and 2nd area
12 spacing are arranged to form Injection Space, cut the earth and cheat in suitable location, and the specification of heatable adobe sleeping platform is length: it is 3.1 meters, 2.5 meters wide, it is high by 2.3
Rice pours into mixed mud in the bottom of heatable adobe sleeping platform first, forms bearing course, and the specification of concrete is 3.1 meters of length, 2.5 meters wide, high by 0.3
Rice, then cabinet is placed on above bearing course, water inlet 20 and municipal blow-off line are connected, and discharge outlet 24 is connected to municipal wastewater again
Using pipeline, the husky class of surrounding landfill soil of cabinet is used for static housing, and extraneous sewage passes through water inlet 20 first and enters an area 11
Interior, two areas 12 are injected in mono- area 11 Zai You, and first partition 41 is equipped with first through hole 411 and sewage is made to inject two areas 12 by an area 11,
So that the effect that the water plug 21 being located in two areas 12 draws water in time, has buffer function, start water plug 21, two areas 12
Interior sewage is extracted and be discharged into three areas 13 by water plug 21, and water inlet pipe 31 introduces the water of 3rd areas, 13 bottom in four areas 14,
Four areas 14 are equipped with purification device 22, and under the action of purification device 22, sewage is gradually purified, and four areas 14 are sewage purification
Area, for the diffusion for preventing smell, four areas 14 use enclosed construction, to sewage purification in enclosed space, in purification process
In, so that the oxygen content in four areas 14 is in reduction trend, therefore the ensured sustained development purification process of sewage is influenced, the setting of return pipe 32,
So that the part of contaminated water in four areas 14 is drained into five areas 15, the reflux unit 23 in five areas 15 is by the dirt in five areas 15
Water is drained to again in three areas 13, in the reflux course, can be again introduced into in the sewage in delivery of supplemental oxygen tolerance to three areas 13
The sewage oxygen content in four areas 14 increases, and improves the purpose of purifying sewage quickly, when the sewage quantity in four areas 14 is more, is cleaned
Sewage afterwards is discharged through discharge outlet 24.
By the way that reflux unit 23 is arranged, the part of contaminated water in purification process is drained to sewage purification upstream again, is reached
Supplemental oxygen, quick, the continuing purge purpose for accelerating sewage, while energy consumption is reduced, it is easy to operate, it is that a kind of microkinetic ecology is vertical
Body integrated sewage treating apparatus.
The first strainer 111 is equipped in one area 11, first strainer 111 is for the particle in filter sewage.
First strainer 111 is obliquely set in an area 11, and the first strainer 111 is metal mesh, will be larger in sewage
The impurity of particle is filtered, and prevents from blocking each pipeline.
The water plug 21 includes the first water pump 211 and the first water pipe 212, and the first water pump 211 is via first water
Sewage in two areas 12 is discharged into three areas 13 by pipe 212, and the first water pipe 212 uses wired hose, has easy to install, quick detachable work
With, easy detection plugging point, and facilitates and squeeze tamper in fine granularity, unclog the pipe.
It further include the filter frame 5 set on three areas 13, the filter frame 5 is located at the lower section of first water pipe 212 and for filtering
The sewage impurity of first water pipe 212 outflow, the setting of filter frame 5, further impurity screening, it is ensured that the fluid liquid shape of sewage is prevented
The only blocking of pipeline.
It further include flowmeter 6, the flowmeter 6 is set to the first water pipe 212 and the water outlet close to the first water pipe 212, stream
The setting of meter 6 facilitates the cubic number of statistics sewage treatment, while the important parameter as plant maintenance and maintenance.
The purification device 22 includes plant culture zone 221, anoxic zone 222 and the aerobic zone set gradually from top to bottom
223, the water inlet pipe 31 is set to aerobic zone 223, and the return pipe 32 is set to anoxic zone 222, in aerobic zone 223, in sewage
Dissolved oxygen be 0.5~2.0mg/L, in anoxic zone 222, dissolved oxygen in sewage is 0.2~0.5mg/L, and dissolution is different respectively
Fouling product, plant culture zone 221 be purified sewage, emergent aquactic plant such as canna, calamus etc. can be planted, on the one hand
Further remove sewage in nutrients, on the other hand play beautify the environment, the effect of deodorization.
The plant culture zone 221 from above set gradually haydite floor 2211, dephosphorization filler area 2212, plastics stratum reticulare 2213 and
Load receiving part 2214, the load receiving part 2214 are fixedly connected on wall box, and load receiving part 2214 is made of the iron pipe of 50*50, mould
Material stratum reticulare 2213 is influencing sewage treatment just for preventing the particle in haydite floor 2211, dephosphorization filler area 2212 from falling into cabinet
Often operation.
The reflux unit 23 includes the second water pump 231 and the second water pipe 232, and the second water pump 231 is via second water
Sewage in five areas 15 is discharged into three areas 13 by pipe 232, and the second water pump 231 is pumped using small-scale sewage, undertakes sludge reflux, simultaneously
Have the function of drop water aeration and mixing, takes full advantage of the function of sewage pump.
4th area 14 further includes working area 141, and the 141 communicated drainage mouth 24 of working area, the working area 141 is used for
Storage is by the purified water of purification device 22, and the setting in working area 141, having prevents sewage after processing more, overflows cabinet
Effect has buffer function.
The processing equipment for being used for domestic sewage in rural areas is suitable for China's rural sewage treatment status, has small in size, behaviour
Make simply, consume energy few feature, is suitble to promote and apply.
The above is only a preferred embodiment of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to the present invention
Limitation.
Claims (10)
1. a kind of processing equipment for domestic sewage in rural areas, including cabinet, it is characterised in that: the cabinet includes an area
(11), 2nd area (12), 3rd area (13), 4th area (14) Ji Wuqu (15), an area (11), 2nd area (12), 3rd area (13), 4th area
(14) Ji Wuqu (15) separates to form independent zones by several isolation boards；
It further include water inlet (20), water plug (21), purification device (22), reflux unit (23) and discharge outlet (24), the external world
Sewage is entered in an area (11) by water inlet (20), and the water plug (21) is set to 2nd area (12), the purification device (22)
Set on 4th area (14), the reflux unit (23) is set to 5th area (15)；
It further include water inlet pipe (31) and return pipe (32), water inlet pipe (31) connection 3rd area (13) and 4th area (14) simultaneously is used to incite somebody to action
Sewage in 3rd area (13) introduces in 4th area (14), and the return pipe (32) is connected to 4th area (14) He Wuqu (15) and is used for four
Water in area (14) introduces in 5th area (15)；
First partition (41) are equipped between one area (11) and 2nd area (12), it is logical that the first partition (41) is equipped with first
Hole (411), extraneous sewage enters after an area (11) to be flowed into 2nd area (12) by first through hole (411) again, and water plug (21) will
Sewage in 2nd area (12) is discharged into 3rd area (13), introduces 4th area (14) by water inlet pipe (31) again into the sewage in 3rd area (13)
It is interior, it is cleaned device (22) purified sewage and is introduced in 5th area (15) by return pipe (32), then again by reflux unit (23)
Sewage in 5th area (15) is discharged into 3rd area (13), is finally again introduced into 4th area (14), circulation is formed；
Purified sewage discharge in discharge outlet (24) Jiang Siqu (14).
2. the processing equipment according to claim 1 for domestic sewage in rural areas, it is characterised in that: in an area (11)
Equipped with the first strainer (111), first strainer (111) is for the particle in filter sewage.
3. the processing equipment according to claim 2 for domestic sewage in rural areas, it is characterised in that: first strainer
(111) it is obliquely set in an area (11).
4. the processing equipment according to claim 1 for domestic sewage in rural areas, it is characterised in that: the water plug
It (21) include the first water pump (211) and the first water pipe (212), the first water pump (211) is via the first water pipe (212) Jiang Erqu
(12) interior sewage is discharged into 3rd area (13).
5. the processing equipment according to claim 4 for domestic sewage in rural areas, it is characterised in that: further include being set to 3rd area
(13) filter frame (5), the filter frame (5) are located at the lower section of first water pipe (212) and for filtering the first water pipe (212) stream
Sewage impurity out.
6. the processing equipment according to claim 4 for domestic sewage in rural areas, it is characterised in that: further include flowmeter
(6), the flowmeter (6) is set to the first water pipe (212) and the water outlet close to the first water pipe (212).
7. the processing equipment according to claim 1 for domestic sewage in rural areas, it is characterised in that: the purification device
It (22) include the plant culture zone (221), anoxic zone (222) and aerobic zone (223) set gradually from top to bottom, the water inlet pipe
(31) aerobic zone (223) are set to, the return pipe (32) is set to anoxic zone (222).
8. the processing equipment according to claim 7 for domestic sewage in rural areas, it is characterised in that: the plant culture zone
(221) from above setting gradually haydite floor (2211), dephosphorization filler area (2212), plastics stratum reticulare (2213) and load receiving part (2214),
The load receiving part (2214) is fixedly connected on wall box.
9. the processing equipment according to claim 1 for domestic sewage in rural areas, it is characterised in that: the reflux unit
It (23) include the second water pump (231) and the second water pipe (232), the second water pump (231) is via the second water pipe (232) Jiang Wuqu
(15) sewage in is discharged into 3rd area (13).
10. the processing equipment according to claim 1 for domestic sewage in rural areas, it is characterised in that: 4th area (14)
It further include working area (141), working area (141) the communicated drainage mouth (24), the working area (141) is for storing by purifying
Device (22) purified water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910423960.1A CN110104885A (en) | 2019-05-21 | 2019-05-21 | A kind of processing equipment for domestic sewage in rural areas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910423960.1A CN110104885A (en) | 2019-05-21 | 2019-05-21 | A kind of processing equipment for domestic sewage in rural areas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110104885A true CN110104885A (en) | 2019-08-09 |
Family
ID=67491336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910423960.1A Pending CN110104885A (en) | 2019-05-21 | 2019-05-21 | A kind of processing equipment for domestic sewage in rural areas |
Country Status (1)
| Country | Link |
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| CN (1) | CN110104885A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103771667A (en) * | 2014-02-21 | 2014-05-07 | 深圳市冠升华实业发展有限公司 | Micro-power three-dimensional ecologic sewage treatment system and method |
| CN107416978A (en) * | 2017-09-22 | 2017-12-01 | 深圳市澳洁源环保科技有限公司 | Sewage-treatment plant |
| CN207749014U (en) * | 2017-12-27 | 2018-08-21 | 凌志环保股份有限公司 | Integrated rural sewage treatment unit |
| WO2019085393A1 (en) * | 2017-11-02 | 2019-05-09 | 中国海洋大学 | Sewage treatment device, treatment method and treatment system |
| CN109761457A (en) * | 2019-03-27 | 2019-05-17 | 北京工业大学 | A kind of countryside sewage treatment equipment and method |
-
2019
- 2019-05-21 CN CN201910423960.1A patent/CN110104885A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103771667A (en) * | 2014-02-21 | 2014-05-07 | 深圳市冠升华实业发展有限公司 | Micro-power three-dimensional ecologic sewage treatment system and method |
| CN107416978A (en) * | 2017-09-22 | 2017-12-01 | 深圳市澳洁源环保科技有限公司 | Sewage-treatment plant |
| WO2019085393A1 (en) * | 2017-11-02 | 2019-05-09 | 中国海洋大学 | Sewage treatment device, treatment method and treatment system |
| CN207749014U (en) * | 2017-12-27 | 2018-08-21 | 凌志环保股份有限公司 | Integrated rural sewage treatment unit |
| CN109761457A (en) * | 2019-03-27 | 2019-05-17 | 北京工业大学 | A kind of countryside sewage treatment equipment and method |
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