CN206985954U - Sewage-treatment plant - Google Patents
Sewage-treatment plant Download PDFInfo
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- CN206985954U CN206985954U CN201720481452.5U CN201720481452U CN206985954U CN 206985954 U CN206985954 U CN 206985954U CN 201720481452 U CN201720481452 U CN 201720481452U CN 206985954 U CN206985954 U CN 206985954U
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- sewage
- treatment plant
- regulating reservoir
- grid well
- pond
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Abstract
The utility model discloses a kind of sewage-treatment plant, including grid well, regulating reservoir, apparatus for treating sewage, sedimentation basin, MBR membrane cisternas, sludge concentration tank and sterilization pool, grid well is connected with regulating reservoir, regulating reservoir, apparatus for treating sewage, sedimentation basin, MBR membrane cisternas and sterilization pool are sequentially connected by pipeline, mud return line is provided between apparatus for treating sewage and sedimentation basin, sludge concentration tank is connected by mud return line with sedimentation basin；The beneficial effects of the utility model are：Suspension, floating object and ribbon larger in water removal can be removed, the low molecular acid in environment can be absorbed, with poly- β hydroxybutyric acids（PHB）Form store, can be by the phosphorus ligands in water, and reach denitrifying purpose, the present apparatus has the characteristics that structure is intensive, stable, convenient transportation.
Description
Technical field
It the utility model is related to sewage-treatment plant, and in particular to sewage-treatment plant.
Background technology
In technical field of sewage, activated sludge is widely used to carry out the processing of waste water.Activated sludge is microorganism
Colony and organic substance and the general name of inorganic substances that they are depended on, activated sludge can be divided into aerobic activated sludge and anaerobism
Grain activated sludge, activated sludge are mainly used to handle sewage.Handled at present for the sewage in septic tank, due to wherein depositing
In a large amount of sludge, the phenomenon of sludge accumulation is often produced in processing procedure, so as to influence purifying rate, and increased cleaning is made
The difficulty of industry.
Utility model content
The purpose of this utility model is to provide a kind of sewage-treatment plant solve easy heap in traditional wastewater processing system
Contamination mud, it is not high so as to produce purifying rate, clean the problem of difficult.
To solve above-mentioned technical problem, the utility model uses following technical scheme：
Sewage-treatment plant, including grid well, regulating reservoir, apparatus for treating sewage, sedimentation basin, MBR membrane cisternas, sludge concentration tank and
Sterilization pool, grid well are connected with regulating reservoir, regulating reservoir, apparatus for treating sewage, sedimentation basin, MBR membrane cisternas and sterilization pool by pipeline according to
Secondary connection, is provided with mud return line between apparatus for treating sewage and sedimentation basin, sludge concentration tank passes through mud return line and precipitation
Pond connects.
In the technical program, grid well carries out the water of septic tank preliminary filtering, then passes sequentially through regulating reservoir, dirt
Hydrotreater, sedimentation basin, MBR membrane cisternas and sterilization pool are gradually filtered, and are provided between apparatus for treating sewage and sedimentation basin
Mud return line, the water with sludge can so be handled from newly, so as to improve purifying rate, and sludge concentration tank can
So that sludge to be collected, it is rejected to outside whole apparatus for treating sewage, avoids sludge from accumulating, influence purifying rate, and facilitates whole
The cleaning of individual device.
Further technical scheme is that above-mentioned apparatus for treating sewage is included being sequentially connected pre- take off by the flow of sewage disposal
Nitre/dephosphorization pond, anaerobic pond, anoxic pond and biochemical aeration tank, wherein mud return line be connected to pre- denitration on apparatus for treating sewage/
Dephosphorization pond and anaerobic pond, the bottom of the biochemical aeration tank are provided with mixed-liquor return pump, are connected with mixed-liquor return pump mixed
Liquid return duct is closed, mixed-liquor return pipe is connected to and anoxic pond；
Anoxic pond, the bottom of biochemical aeration tank are additionally provided with gas explosion head, have air blower by the steam line set up with it is quick-fried
Gas head connects.
In the technical program, pre- denitration/dephosphorization pond processing fell into be rich in the sewage tentatively filtered Phos,
Organophosphor, anaerobic pond utilize the effect of anaerobic bacteria, make organic matter that hydrolysis, acidifying and methanation occur, and remove organic in waste water
Thing, the biodegradability of sewage is improved, anoxic pond promotes sewage that anti-nitration reaction occurs, and biochemical aeration tank produces and maintains air to have
Effect is contacted with water, and dissolved oxygen concentration certain in water is being kept in the case that biological oxidation constantly consumes oxygen, is being exposed
Gas area produce it is enough be stirred effect, promote circulating for water, realize that activated sludge mixes with the abundant contact of waste water,
Maintain mixed liquor that there is certain movement velocity, activated sludge is remained suspended state in mixed liquor.
Further technical scheme is, above-mentioned air blower also by steam line respectively with regulating reservoir and MBR membrane cisternas
Connection.
In the technical program, the oxygen content in sewage so can guarantee that.
Further technical scheme is that the bottom of above-mentioned regulating reservoir is additionally provided with elevator pump, and elevator pump passes through pipeline
It is connected with pre- denitration/dephosphorization pond.
, so can be more efficiently by the sewage transport of regulating reservoir into pre- denitration/dephosphorization pond in the technical program.
Further technical scheme is that above-mentioned also includes PAC chemicals feed pumps, dechlorination liquid chemicals feed pump and filter pump, wherein
PAC chemicals feed pumps are connected on the pipeline between biochemical aeration tank and sedimentation basin, and dechlorination liquid chemicals feed pump is connected to MBR membrane cisternas and sterilization
On pipeline between pond, filter pump is arranged on the pipeline between dechlorination liquid chemicals feed pump and sterilization pool.
In the technical program, PAC chemicals feed pumps and dechlorination liquid chemicals feed pump can the dosing into sewage, so as to enter to advance to sewage
One step purifies.
Further technical scheme is to be provided with flat board film filter in above-mentioned MBR membrane cisternas.
In the technical program, flat board film filter can be handled sewage.
Further technical scheme is to be provided with water level float in above-mentioned regulating reservoir and sterilization pool.
In the technical program, water level float can determine the water level of sewage.
Further technical scheme is that flase floor is provided with above-mentioned grid well, and flase floor is by the inner chamber of grid well
It is divided into pan feeding chamber and filter chamber, is provided with feeding mouth on the grid well wherein at pan feeding chamber, is set on the grid well at filter chamber
There is discharging opening, the wherein vertical range between feeding mouth and grid bottom is more than vertical between discharging opening and grid bottom
Distance；
Sewage is drained into regulating reservoir by grid well by discharging opening.
In the technical program, the vertical range between feeding mouth and grid bottom is more than discharging opening and grid bottom
Between vertical range, can so prevent the sewage in grid well to be filled spilling.
Further technical scheme is that the bottom setting of above-mentioned grid well is fluted, and groove has more than two, and is in
Zigzag spread configuration；
Flase floor is plugged in each groove, is connected between adjacent two pieces of flase floors by connecting rod, the bar of connecting rod
Neck is provided with it, and neck there are two, and connecting rod is connected by flase floor of the neck respectively with connecting rod both sides.
In the technical program, the taking-up of flase floor can be facilitated by groove, and the flase floor for the arrangement that is serrated increases
The filter area of filtering plate face, improve the effect of filtering.
Further technical scheme is that the above-mentioned both sides of the edge along flase floor are provided with columnar protrusions, and neck includes
Column groove portion and connection groove section, columnar protrusions are located in column groove portion, and the edge of flase floor is located in connection groove section.
In the technical program, so make in taking-up, it is only necessary to flase floor is extracted out between two connecting rods, from
And facilitate and flase floor is replaced and cleaned.
Compared with prior art, the beneficial effects of the utility model are at least one of following：
1st, the utility model passes through grid, removes suspension, floating object and ribbon larger in water removal, and supernatant, which flows into, to be adjusted
Pond is saved, regulating reservoir adjusts the water and water quality of sewage, and regulating reservoir bottom design uses boring aeration system, sanitary sewage can be entered
Row preaeration, the purpose of precipitation is prevented, regulating reservoir water outlet is lifted into anaerobic fixed film reactor, and sewage flows back dirt under conditions of anaerobism
Mud mixes with Jinsui River, and polyP bacteria discharges at this and absorbs the low molecular acid in environment simultaneously, with Poly-β-hydroxybutyric Acid（PHB）'s
Form stores, and in aerobic environment, polyP bacteria largely absorbs phosphorus, reaches the purpose of dephosphorization, anaerobic fixed film reactor water outlet gravity flow
Into biochemical aeration tank processing, the sludge after precipitation is periodically quantitatively pumped into sludge-tank by air-lift device and handled, biochemical aeration
A pond water outlet part is back to regulating reservoir and carries out interior circulation, and to reach denitrifying purpose, another part precipitates into sedimentation basin,
Separation of solid and liquid is carried out, has the characteristics that structure is intensive, stable, convenient transportation.
2nd, pre- denitration/dephosphorization pond processing fell into the Phos being rich in the sewage tentatively filtered, organophosphor, anaerobic pond
Using the effect of anaerobic bacteria, make organic matter that hydrolysis, acidifying and methanation occur, remove the organic matter in waste water, improve sewage
Biodegradability, anoxic pond promote sewage that anti-nitration reaction occurs, and biochemical aeration tank produces and maintains air effectively to be contacted with water,
Dissolved oxygen concentration certain in water is being kept in the case that biological oxidation constantly consumes oxygen, is being produced enough in aeration zone
Effect is stirred, promotes circulating for water, realizes that activated sludge mixes with the abundant contact of waste water, maintains mixed liquor to have
Certain movement velocity, makes activated sludge remain suspended state in mixed liquor.
3rd, air blower ensures the oxygen content in sewage.
4th, elevator pump can be more efficiently by the sewage transport of regulating reservoir into pre- denitration/dephosphorization pond.
5th, PAC chemicals feed pumps and dechlorination liquid chemicals feed pump can the dosing into sewage, so as to further be purified to sewage.
6th, flat board film filter can be handled sewage.
7th, water level float can determine the water level of sewage.
8th, the vertical range between feeding mouth and grid bottom be more than between discharging opening and grid bottom it is vertical away from
From can so prevent the sewage in grid well to be filled spilling.
9th, the taking-up of flase floor can be facilitated by groove, and the flase floor for the arrangement that is serrated increases the mistake of filtering plate face
Filtering surface accumulates, and improves the effect of filtering.
10th, so make in taking-up, it is only necessary to extract flase floor between two connecting rods out, so as to facilitate plaid matching
Screen is replaced and cleaned.
Brief description of the drawings
Fig. 1 is Tthe utility model system flow chart.
Fig. 2 is the grid well top cross-sectional view that the utility model carries flase floor.
Fig. 3 is the utility model grid well top cross-sectional view.
Fig. 4 is the utility model grid well main view sectional view.
Fig. 5 is the utility model connecting rod and the top view of flase floor connecting portion.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
Embodiment 1
As shown in figure 1, sewage-treatment plant, including grid well 1, regulating reservoir 2, apparatus for treating sewage, sedimentation basin 4, MBR membrane cisternas
5th, sludge concentration tank 6 and sterilization pool 7, grid well 1 are connected with regulating reservoir 2, regulating reservoir 2, apparatus for treating sewage, sedimentation basin 4, MBR films
Pond 5 and sterilization pool 7 are sequentially connected by pipeline, mud return line 8 are provided between apparatus for treating sewage and sedimentation basin 4, sludge is dense
Contracting pond 6 is connected by mud return line 8 with sedimentation basin 4.
In the present embodiment, grid well 1 carries out the water of septic tank preliminary filtering, then passes sequentially through regulating reservoir 2, dirt
Hydrotreater, sedimentation basin 4, MBR membrane cisternas 5 and sterilization pool 7 are gradually filtered, and are set between apparatus for treating sewage and sedimentation basin 4
Mud return line 8 is equipped with, the water with sludge can so be handled from newly, so as to improve purifying rate, and sludge is dense
Contracting pond 6 can collect sludge, be rejected to outside whole apparatus for treating sewage, avoid sludge from accumulating, influence purifying rate.
Embodiment 2
As shown in figure 1, in contrast to embodiment 1, the present embodiment optimizes apparatus for treating sewage, and apparatus for treating sewage presses sewage disposal
Flow include be sequentially connected pre- denitration/dephosphorization pond 9, anaerobic pond 10, anoxic pond 11 and biochemical aeration tank 12, wherein sludge reflux
Pipe 8 is connected to pre- denitration/dephosphorization pond 9 and anaerobic pond 10 on apparatus for treating sewage, and the bottom of biochemical aeration tank 12 is provided with mixing
Liquid reflux pump 13, mixed-liquor return pipe 14 is connected with mixed-liquor return pump 13, mixed-liquor return pipe 14 is connected to and anoxic pond
11；Anoxic pond 11, the bottom of biochemical aeration tank 12 are additionally provided with gas explosion first 15, have air blower 16 to pass through the steam line 17 set up
It is connected with gas explosion first 15.
In the present embodiment, pre- denitration/dephosphorization pond 9 handle fell into be rich in the sewage tentatively filtered Phos,
Organophosphor, anaerobic pond 10 are made organic matter that hydrolysis, acidifying and methanation occur, are removed having in waste water using the effect of anaerobic bacteria
Machine thing, the biodegradability of sewage is improved, anoxic pond 11 promotes sewage that anti-nitration reaction occurs, and biochemical aeration tank 12 is produced and maintained
Air effectively contacts with water, and being kept in the case that biological oxidation constantly consumes oxygen, dissolved oxygen certain in water is dense
Degree, produced in aeration zone it is enough is stirred effect, promote circulating for water, realize fully connecing for activated sludge and waste water
Mixing is touched, maintains mixed liquor that there is certain movement velocity, activated sludge is remained suspended state in mixed liquor.
Embodiment 3
As shown in figure 1, in contrast to embodiment 1, the present embodiment is additionally arranged air blower 16, and air blower 16 also passes through steam line
17 are connected with regulating reservoir 2 and MBR membrane cisternas 5 respectively.
In the present embodiment, air blower 16 provides gas by steam line 17 to regulating reservoir 2 and MBR membrane cisternas 5.
Embodiment 4
As shown in figure 1, in contrast to embodiment 1, the present embodiment optimizes regulating reservoir 2, and the bottom of regulating reservoir 2, which is additionally provided with, to be carried
Pump 18 is risen, elevator pump 18 is connected by pipeline with pre- denitration/dephosphorization pond 9.
In the present embodiment, elevator pump 18 can be more efficiently by the sewage transport of regulating reservoir 2 into pre- denitration/dephosphorization pond 9.
Embodiment 5
As shown in figure 1, in contrast to embodiment 1, the present embodiment is additionally arranged PAC chemicals feed pumps 19, dechlorination liquid chemicals feed pump 20 and mistake
Filter pump 21, wherein PAC chemicals feed pumps 19 are connected on the pipeline between biochemical aeration tank 12 and sedimentation basin 4, dechlorination liquid chemicals feed pump 20
It is connected on the pipeline between MBR membrane cisternas 5 and sterilization pool 7, filter pump 21 is arranged between dechlorination liquid chemicals feed pump 20 and sterilization pool 7
Pipeline on.
In the present embodiment, PAC chemicals feed pumps 19 and dechlorination liquid chemicals feed pump 20 can the dosing into sewage, so as to be carried out to sewage
Further purification, and filter pump 21 then filters to the water after processing, removes impurity therein.
Embodiment 6
As shown in figure 1, in contrast to embodiment 1, the present embodiment optimizes MBR membrane cisternas 5, and Flat Membrane is provided with MBR membrane cisternas 5
Filter 22.
In the present embodiment, flat board film filter 22 can be handled sewage.
Embodiment 7
As shown in figure 1, in contrast to embodiment 1, the present embodiment optimizes regulating reservoir 2 and sterilization pool 7, regulating reservoir 2 and sterilization
Water level float 23 is provided with pond 7.
In the present embodiment, water level float 23 can determine the water level of sewage.
Embodiment 8
As shown in figs. 1 and 4, in contrast to embodiment 1, the present embodiment optimizes regulating reservoir 2 and sterilization pool 7, is set in grid well 1
Flase floor 24 is equipped with, the inner chamber of grid well 1 is divided into pan feeding chamber 25 and filter chamber 26, the wherein grid at pan feeding chamber 25 by flase floor 24
It is provided with feeding mouth 27 on lattice well 1, discharging opening 28, wherein feeding mouth 27 and grid is provided with the grid well 1 at filter chamber 26
Vertical range between the bottom of well 1 is more than the vertical range between discharging opening 28 and the bottom of grid well 1；Grid well 1 passes through discharging
Sewage is drained into regulating reservoir 2 by mouth 28.
In the present embodiment, the vertical range between feeding mouth 25 and the bottom of grid well 1 is more than discharging opening 28 and grid well 1
Vertical range between bottom, the sewage in grid well 1 can be so prevented to be filled spilling.
Embodiment 9
As shown in Figures 2 and 3, in contrast to embodiment 8, the present embodiment optimizes grid well 1, and the bottom of grid well 1 is provided with
Groove 29, groove 29 have more than two, and the spread configuration that is serrated；Flase floor 24 is plugged in each groove 29, it is adjacent
Connected between two pieces of flase floors 24 by connecting rod 30, neck 31 is provided with the shaft of connecting rod 30, neck 31 there are two, even
Extension bar 30 is connected by flase floor 24 of the neck 31 respectively with the both sides of connecting rod 30.
In the present embodiment, the taking-up of flase floor 24 can be facilitated by groove 29, and the flase floor 24 for the arrangement that is serrated
The filter area of filtering plate face is increased, improves the effect of filtering.
Embodiment 10
As shown in figures 2 and 5, in contrast to embodiment 9, the present embodiment optimizes flase floor 24, along two sides of flase floor 24
Edge is provided with columnar protrusions 32, and neck 31 includes column groove portion 33 and connection groove section 34, and columnar protrusions 32 are located at column groove portion 33
Interior, the edge of flase floor 24 is located in connection groove section 34.
In the present embodiment, flase floor 24 can be extracted out by columnar protrusions 32 from column groove portion 33, so as to by flase floor 24
Take out, so facilitate being replaced and cleaned to flase floor 24.
Although reference be made herein to the utility model is described multiple explanatory embodiments of the present utility model, still,
It should be understood that those skilled in the art can be designed that a lot of other modifications and embodiment, these modifications and embodiment
It will fall within spirit disclosed in the present application and spirit.More specifically, in disclosure, drawings and claims
In the range of, a variety of variations and modifications can be carried out to the building block and/or layout of theme combination layout.Except to building block
And/or outside the modification and improvement of layout progress, to those skilled in the art, other purposes also will be apparent.
Claims (10)
1. sewage-treatment plant, including grid well（1）, regulating reservoir（2）, apparatus for treating sewage, sedimentation basin（4）, MBR membrane cisternas（5）, it is dirty
Mud thickener（6）And sterilization pool（7）, it is characterised in that：The grid well（1）With regulating reservoir（2）Connection, the regulating reservoir（2）、
Apparatus for treating sewage, sedimentation basin（4）, MBR membrane cisternas（5）And sterilization pool（7）It is sequentially connected by pipeline, the apparatus for treating sewage is with sinking
Shallow lake pond（4）Between be provided with mud return line（8）, the sludge concentration tank（6）Pass through mud return line（8）With sedimentation basin（4）
Connection.
2. sewage-treatment plant according to claim 1, it is characterised in that：The apparatus for treating sewage presses the stream of sewage disposal
Journey includes being sequentially connected pre- denitration/dephosphorization pond（9）, anaerobic pond（10）, anoxic pond（11）And biochemical aeration tank（12）, wherein described
Mud return line（8）Pre- denitration/dephosphorization the pond being connected on apparatus for treating sewage（9）And anaerobic pond（10）, the biochemical aeration tank
（12）Bottom be provided with mixed-liquor return pump（13）, the mixed-liquor return pump（13）On be connected with mixed-liquor return pipe
（14）, the mixed-liquor return pipe（14）It is connected to and anoxic pond（11）；
The anoxic pond（11）, biochemical aeration tank（12）Bottom be additionally provided with gas explosion head（15）, there is air blower（16）Pass through increasing
If steam line（17）With gas explosion head（15）Connection.
3. sewage-treatment plant according to claim 2, it is characterised in that：The air blower（16）Also pass through steam line
（17）Respectively with regulating reservoir（2）With MBR membrane cisternas（5）Connection.
4. sewage-treatment plant according to claim 2, it is characterised in that：The regulating reservoir（2）Bottom be additionally provided with
Elevator pump（18）, the elevator pump（18）Pass through pipeline and the pre- denitration/dephosphorization pond（9）Connection.
5. sewage-treatment plant according to claim 1, it is characterised in that：Also include PAC chemicals feed pumps（19）, dechlorination liquid throw
Teat pipette（20）And filter pump（21）, wherein the PAC chemicals feed pumps（19）It is connected to biochemical aeration tank（12）With sedimentation basin（4）Between
Pipeline on, the dechlorination liquid chemicals feed pump（20）It is connected to MBR membrane cisternas（5）And sterilization pool（7）Between pipeline on, the filtering
Pump（21）Installed in dechlorination liquid chemicals feed pump（20）With sterilization pool（7）Between pipeline on.
6. sewage-treatment plant according to claim 1, it is characterised in that：The MBR membrane cisternas（5）Inside it is provided with Flat Membrane
Filter（22）.
7. sewage-treatment plant according to claim 1, it is characterised in that：The regulating reservoir（2）With sterilization pool（7）It is interior equal
It is provided with water level float（23）.
8. sewage-treatment plant according to claim 1, it is characterised in that：The grid well（1）Inside it is provided with flase floor
（24）, the flase floor（24）By grid well（1）Inner chamber be divided into pan feeding chamber（25）And filter chamber（26）, wherein the pan feeding chamber
（25）The grid well at place（1）On be provided with feeding mouth（27）, the filter chamber（26）The grid well at place（1）On be provided with discharging opening
（28）, wherein the feeding mouth（27）With grid well（1）Vertical range between bottom is more than discharging opening（28）With grid well（1）
Vertical range between bottom；
The grid well（1）Pass through discharging opening（28）Sewage is drained into regulating reservoir（2）.
9. sewage-treatment plant according to claim 8, it is characterised in that：The grid well（1）Bottom be provided with it is recessed
Groove（29）, the groove（29）There are more than two, and the spread configuration that is serrated；
Each groove（29）Inside plug flase floor（24）, two pieces of adjacent flase floors（24）Between pass through connecting rod
（30）Connection, the connecting rod（30）Shaft on be provided with neck（31）, the neck（31）There are two, the connecting rod
（30）Pass through neck（31）Respectively with connecting rod（30）The flase floor of both sides（24）Connection.
10. sewage-treatment plant according to claim 9, it is characterised in that：Along the flase floor（24）Both sides of the edge
It is provided with columnar protrusions（32）, the neck（31）Including column groove portion（33）And connection groove section（34）, the columnar protrusions
（32）Positioned at column groove portion（33）It is interior, flase floor（24）Edge be located at connection groove section（34）It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720481452.5U CN206985954U (en) | 2017-05-03 | 2017-05-03 | Sewage-treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720481452.5U CN206985954U (en) | 2017-05-03 | 2017-05-03 | Sewage-treatment plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206985954U true CN206985954U (en) | 2018-02-09 |
Family
ID=61392380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720481452.5U Active CN206985954U (en) | 2017-05-03 | 2017-05-03 | Sewage-treatment plant |
Country Status (1)
| Country | Link |
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| CN (1) | CN206985954U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821509A (en) * | 2018-07-04 | 2018-11-16 | 沈阳东源环境科技有限公司 | A kind of Minitype integration type sewage disposal device |
| CN110104884A (en) * | 2019-05-20 | 2019-08-09 | 江门市固创科技有限公司 | A kind of sewage disposal system and method |
-
2017
- 2017-05-03 CN CN201720481452.5U patent/CN206985954U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821509A (en) * | 2018-07-04 | 2018-11-16 | 沈阳东源环境科技有限公司 | A kind of Minitype integration type sewage disposal device |
| CN110104884A (en) * | 2019-05-20 | 2019-08-09 | 江门市固创科技有限公司 | A kind of sewage disposal system and method |
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