CN108862560A - A kind of multi-mode integrated sewage treating apparatus - Google Patents
A kind of multi-mode integrated sewage treating apparatus Download PDFInfo
- Publication number
- CN108862560A CN108862560A CN201810826232.0A CN201810826232A CN108862560A CN 108862560 A CN108862560 A CN 108862560A CN 201810826232 A CN201810826232 A CN 201810826232A CN 108862560 A CN108862560 A CN 108862560A
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- mode integrated
- sludge
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- 239000010865 sewage Substances 0.000 title claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 239000010802 sludge Substances 0.000 claims abstract description 40
- 238000010992 reflux Methods 0.000 claims description 28
- 238000005192 partition Methods 0.000 claims description 21
- 238000005276 aerator Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 6
- 239000010962 carbon steel Substances 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005273 aeration Methods 0.000 abstract description 8
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 abstract description 8
- 230000001932 seasonal effect Effects 0.000 abstract description 4
- 208000014451 palmoplantar keratoderma and congenital alopecia 2 Diseases 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000011112 process operation Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- 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
-
- 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
- C02F2209/38—Gas flow rate
-
- 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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Activated Sludge Processes (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a kind of multi-mode integrated sewage treating apparatus, belong to technical field of sewage, multi-mode integrated sewage treating apparatus of the present invention includes sewage treatment pond body, boring aeration pipe, blower fan group, electric blender, bucket, perforated sludge discharge pipe and central control system；The switching of a variety of operational modules can be achieved by the control to hand door and electric gate valve for multi-mode integrated sewage treating apparatus of the present invention, realize the switching of the technology patterns such as MAR, A/A/O, inversion A/A/O, A/O, branch water inlet A/A/O, CASS, meet for Various Seasonal water water quality, the town sewage water water quality of different collecting zones using the technology pattern adapted to, meet requirement of the people to sewage treatment, promotes environment and economic coordinated development.
Description
Technical field
The present invention relates to technical field of sewage, especially a kind of multi-mode integrated sewage treating apparatus.
Background technique
The operating mode of sewage disposal system is single in the prior art, for Various Seasonal water water quality, different collecting regions
The town sewage water water quality in domain all uses same sewage treatment process, it is difficult to meet requirement of the people to sewage treatment, and
It is difficult to promote environment and economic coordinated development.
Summary of the invention
At a kind of the purpose of the present invention is to provide structures simple, easy to use, intelligentized multi-mode integrated sewage water
Manage device.
The technical solution for realizing the aim of the invention is as follows：
A kind of multi-mode integrated sewage treating apparatus, which is characterized in that including sewage treatment pond body, hand door, electric brake
Door, perforation water dispensing board, deflector, effluent weir, micro-hole aerator, blower fan group, electric blender, bucket, perforated sludge discharge pipe, sludge
Reflux pump and sludge pump；The area A, the area B, the area C, the area D, the area E, the area F, the area G, H are divided by partition inside the treatment tank body
Area and the area I；Between the area A and the area B, between the area B and the area C, between the area C and the area D, between the area E and the area F, between the area E and the area H
Flowing hole is provided on partition, the partition between the area F and the area G, between the area H and the area I is detachable partition, detachable partition
On be provided with flowing hole；It is provided with hand door on partition between the area A and the area G, between the area A and the area I, in the area B and F
Electric gate valve is provided on partition between area, between the area B and the area I, between the area D and the area E；It is provided in the area I removable
The deflector unloaded, one end of deflector are provided with dismountable perforation water dispensing board, are provided with water outlet above the other end of deflector
Weir；The area E, the area F, the area G, the area H and the area I are provided with micro-hole aerator under water, and micro-hole aerator passes through air hose and blower
Group is connected；Electric blender is provided in the area A, the area B, the area C, the area D and the area G；The area F, the area G and the area I bottom are equal
Several buckets are provided with, the bottom of each bucket is provided with perforated sludge discharge pipe, and perforated sludge discharge pipe passes through sludge pipe and spoil disposal
Pump is connected.
Preferably, rotation water decanter is provided in the area G, rotation water decanter passes through outlet pipe and municipal sewage pipe network phase
Connection.
Preferably, the inlet end of micro-hole aerator is provided with electric butterfly valve in the area E, the area F, the area G, the area H and the area I.
Preferably, be provided with water inlet in the area A, the area B and the area D, each water inlet pass through sewage water inlet pipe with
The water outlet of intake pump is connected, and the water inlet end of intake pump is connected with cesspool.
Preferably, sludge reflux water outlet is provided in the area A, the area B and the area D, each sludge reflux water outlet is equal
It is connected by mud return line with the water outlet of sludge reflux pump, the water inlet end of sludge reflux pump passes through mud return line and B
Area, the area I are connected.
Preferably, the area B, the area C, the area D and the area E are provided with mixed liquor recycling effluent mouth, and each mixed liquor flows back out
The mouth of a river passes through nitrification liquid return pipe and is connected with the water outlet of mixed liquor reflux pump, the water outlet and the area D of mixed liquor reflux pump,
The area H is connected.
Preferably, the sewage treatment pond body is made of carbon steel sheet material, carbon steel sheet with a thickness of 8mm.
Compared with prior art, the present invention its remarkable advantage：
A variety of works can be achieved by the control to hand door and electric gate valve in multi-mode integrated sewage treating apparatus of the present invention
Make the switching of module, that is, realizes cutting for the technology patterns such as MAR, A/A/O, inversion A/A/O, A/O, branch water inlet A/A/O, CASS
It changes, the town sewage water water quality met for Various Seasonal water water quality, different collecting zones uses the technology pattern adapted to,
Meet requirement of the people to sewage treatment, promotes environment and economic coordinated development.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is required attached drawing in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of multi-mode integrated sewage treating apparatus of the present invention.
Fig. 2 is the structural schematic diagram of multi-mode integrated sewage treating apparatus pipeline of the present invention arrangement.
Fig. 3 is the structural schematic diagram of multi-mode integrated sewage treating apparatus boring aeration pipe of the present invention.
Fig. 4 is the cross-sectional view of 1-1 in Fig. 1.
Fig. 5 is the cross-sectional view of 2-2 in Fig. 1.
Fig. 6 is the structural schematic diagram of multi-mode integrated sewage treating apparatus MAR process operation of the present invention.
Fig. 7 is the structural schematic diagram of multi-mode integrated sewage treating apparatus A/A/O process operation of the present invention.
Fig. 8 is the structural schematic diagram of multi-mode integrated sewage treating apparatus branch of the present invention water inlet A/A/O process operation.
Fig. 9 is the structural schematic diagram of multi-mode integrated sewage treating apparatus A/O process operation of the present invention.
Figure 10 is the structural schematic diagram of multi-mode integrated sewage treating apparatus inversion A/A/O process operation of the present invention.
Figure 11 is the structural schematic diagram of multi-mode integrated sewage treating apparatus cyclic activated sludge system of the present invention operation.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1：
As shown in Figures 1 to 5, a kind of multi-mode integrated sewage treating apparatus, including sewage treatment pond body 1, boring aeration pipe
8, blower fan group 10, electric blender 11, bucket 12, perforated sludge discharge pipe 13 and central control system；Lead to inside the sewage treatment pond body 1
It crosses partition and is divided into the area A, the area B, the area C, the area D, the area E, the area F, the area G, the area H and the area I；Between the area A and the area B, between the area B and the area C, C
It is provided with flowing hole 2 on partition between area and the area D, between the area E and the area F, between the area E and the area H, between the area F and the area G, H
Partition between area and the area I is detachable partition, is provided with flowing hole 2 in detachable partition；Between the area A and the area G, the area A
Hand door 3 is provided on partition between the area I, between the area B and the area F, between the area B and the area I, between the area D and the area E
Electric gate valve 4 is provided on partition, electric gate valve 4 is connected with central control system；Dismountable water conservancy diversion is provided in the area I
Plate 6, one end of deflector 6 are provided with dismountable perforation water dispensing board 5, are provided with effluent weir 7 above the other end of deflector 6；
The effluent weir 7 is connected by outlet pipe 28 with municipal sewage pipe network 29；The area E, the area F, the area G, the area H and the area I are equal under water
It is provided with boring aeration pipe 8, boring aeration pipe 8 is connected by air hose 9 with blower fan group 10, blower fan group 10 and central control system phase
Connection；Be provided with electric blender 11 in the area A, the area B, the area C, the area D and the area G, each electric blender 11 with middle control
System is connected；The area F, the area G and the area I bottom are provided with several buckets 12, and the bottom of each bucket 12 is provided with
Perforated sludge discharge pipe 13, perforated sludge discharge pipe 13 are connected by sludge pipe 21 with sludge pump 22；It is all provided in the area A, the area B and the area D
It is equipped with water inlet 14, each water inlet 14 is connected by sewage water inlet pipe 15 with the water outlet of intake pump 16, intake pump 16
Water inlet end be connected with cesspool 17；Sludge reflux water outlet 18, each sludge are provided in the area A, the area B and the area D
Recycling effluent mouth 18 is connected by mud return line 19 with the water outlet of sludge reflux pump 20, the water inlet of sludge reflux pump 20
End is connected by mud return line 19 with the area B, and the water inlet end of sludge reflux pump 20 in the area mud return line 19 and I by wearing
Hole sludge pipe 13 is connected；The area B, the area C, the area D and the area E are provided with mixed liquor recycling effluent mouth 23, and each mixed liquor returns
The outflow mouth of a river 23 is connected by nitrification liquid return pipe 24 with the water outlet of mixed liquor reflux pump 25, mixed liquor reflux pump 25
Water inlet end is connected with the area D, the area H；The central control system respectively with blower fan group 10, intake pump 16, sludge reflux pump 20, sludge pump
22, mixed liquor reflux pump 25 is connected.
Rotation water decanter 26 is provided in the area G, rotation water decanter 26 passes through outlet pipe 28 and municipal sewage pipe network 29
It is connected.The inlet end of boring aeration pipe 8 is provided with electric butterfly valve 27, Mei Ge electricity in the area E, the area F, the area G, the area H and the area I
Dynamic butterfly valve 27 is connected with central control system, realizes each 8 independent control of area's boring aeration pipe.The area A, the area B, the area C, the area D, E
It is provided with water quality monitor in area, the area F, the area G, the area H and the area I, water quality monitor is connected with central control system.The area A, B
It is provided with liquid level monitor in area, the area C, the area D, the area E, the area F, the area G, the area H and the area I, liquid level monitor is connected with central control system
It connects.Fluid flow is provided on the sewage water inlet pipe 15, mud return line 19, sludge pipe 21 and nitrification liquid return pipe 24
Meter, fluid flowmeter are connected with central control system.Gas flowmeter, gas flowmeter and middle control are provided on the air hose 9
System is connected.The sewage treatment pond body 1 is made of carbon steel sheet material, carbon steel sheet with a thickness of 8mm.
The working principle of multi-mode integrated sewage treating apparatus of the present invention：
As shown in fig. 6, when between the area A and the area G, the area I manually-operated gate 3 close, between the area B and the area F, between the area B and the area I, the area D
Electrically operated valve 4 between the area E is opened, and does not install dismountable perforation water dispensing board 5, and cesspool 17 passes through intake pump 16 from A
Area's water inlet, the flow direction of water flow is the area A → area B → area the C → area D → area E in sewage treatment pond body 1, and water flow divides two-way in the area E, one
Road flow direction is the area the E → area F → area G, and another way flow direction is the area the E → area H → area I, meanwhile, water flow divides two-way in the area G, flows to all the way
For the area G → area B, another way flow direction is the area G → municipal sewage pipe network；Water flow divides two-way in the area I, and flow direction is the area I → area B all the way,
Another way flow direction is the area I → municipal sewage pipe network；At this point, alternative aeration and precipitating in the area F, the area G, the area H and the area I, are realized with MAR
Process sewage.
As shown in fig. 7, the manually-operated gate 3 between the area A and the area I is closed, B when the manually-operated gate 3 between the area A and the area G is opened
Electrically operated valve 4 between area and the area F, between the area B and the area I, between the area D and the area E is closed, and installs dismountable perforation water dispensing board
5, cesspool 17 is intake by intake pump 16 from the area D, and the flow direction of water flow is the area D → area the C → area B → area A in sewage treatment pond body 1
The area → G → the area the F → area E → area H finally carries out mud-water separation for the area I as rectangular sedimentation tank, realizes with A/A/O technique
Handle sewage.
As shown in figure 8, the manually-operated gate 3 between the area A and the area I is closed, B when the manually-operated gate 3 between the area A and the area G is opened
Electrically operated valve 4 between area and the area F, between the area B and the area I, between the area D and the area E is closed, and installs dismountable perforation water dispensing board
5, cesspool 17 is intake by intake pump 16 from the area D and the area B, and the flow direction of water flow is the area the D → area C → area B in sewage treatment pond body 1
The area → A → the area the G → area the F → area E → area H finally carries out mud-water separation for the area I as rectangular sedimentation tank, realizes with branch
Water inlet A/A/O process sewage.
As shown in figure 9, the manually-operated gate 3 between the area A and the area I is closed, B when the manually-operated gate 3 between the area A and the area G is opened
Electrically operated valve 4 between area and the area F, between the area B and the area I, between the area D and the area E is closed, and installs dismountable perforation water dispensing board
5, cesspool 17 is intake by intake pump 16 from the area D, and the flow direction of water flow is the area D → area the C → area B → area A in sewage treatment pond body 1
The area → G → the area the F → area E → area H finally carries out mud-water separation for the area I as rectangular sedimentation tank, wherein mixed liquor reflux pump 25
Water inlet end be connected with the area H, the water outlet of mixed liquor reflux pump 25 is connected with the area D, realizes with A/O process sewage.
As shown in Figure 10, when the manually-operated gate 3 between the area A and the area G is opened, the manually-operated gate 3 between the area A and the area I is closed,
Electrically operated valve 4 between the area B and the area F, between the area B and the area I, between the area D and the area E is closed, and installs dismountable perforation water distribution
Plate 5, cesspool 17 are intake by intake pump 16 from the area A and the area D, and the flow direction of water flow is the area the D → area C → B in sewage treatment pond body 1
Area → the area the A → area the G → area the F → area E → area H finally carries out mud-water separation for the area I as rectangular sedimentation tank, wherein mixed liquor
The water inlet end of reflux pump 25 is connected with the area H, and the water outlet of mixed liquor reflux pump 25 is connected with the area D, realizes with inversion A/A/O work
Skill handles sewage.
As shown in figure 11, when the manually-operated gate 3 between the area A and the area G is closed, the manually-operated gate 3 between the area A and the area I is opened,
Electrically operated valve 4 between the area B and the area F, between the area B and the area I, between the area D and the area E is closed, and is not installed dismountable perforation and matched
When water plate 5 and the area I deflector 6, cesspool 17 is intake by intake pump 16 from the area D, and the flow direction of water flow is in sewage treatment pond body 1
The area the D → area the C → area the B → area the A → area the I → area the H → area the E → area F → area G, is discharged by the rotation water decanter 26 in the area G, realize with
Cyclic activated sludge system handles sewage.
The central control system is by water quality monitor, liquid level monitor, fluid flowmeter, gas flowmeter to water quality, liquid
Position, fluid flow, gas flow are collected and are recorded in real time, and according to the collected data real-time control blower fan group 10, into
Water pump 16, sludge reflux pump 20, sludge pump 22, mixed liquor reflux pump 25 motor speed, realize intelligentized regulation.
In conclusion multi-mode integrated sewage treating apparatus of the present invention passes through the control to hand door and electric gate valve
The switching of a variety of operational modules can be achieved, that is, realize MAR, A/A/O, inversion A/A/O, A/O, branch water inlet A/A/O, CASS etc.
The switching of technology pattern meets for Various Seasonal water water quality, the town sewage water water quality of different collecting zones using suitable
The technology pattern answered meets requirement of the people to sewage treatment, promotes environment and economic coordinated development.
Claims (7)
1. a kind of multi-mode integrated sewage treating apparatus, which is characterized in that including sewage treatment pond body（1）, hand door
（3）, electric gate valve（4）, perforation water dispensing board（5）, deflector（6）, effluent weir（7）, micro-hole aerator（8）, blower fan group（10）, electricity
Dynamic blender（11）, bucket（12）, perforated sludge discharge pipe（13）, sludge reflux pump（20）And sludge pump（22）；The sewage treatment
Pond body（1）Inside is divided into the area A, the area B, the area C, the area D, the area E, the area F, the area G, the area H and the area I by partition；Between the area A and the area B, B
Flowing hole is provided on partition between area and the area C, between the area C and the area D, between the area E and the area F, between the area E and the area H（2）,
Partition between the area F and the area G, between the area H and the area I is detachable partition, is provided with flowing hole in detachable partition（2）；
Hand door is provided on partition between the area A and the area G, between the area A and the area I（3）, between the area B and the area F, the area B and I
Electric gate valve is provided on partition between area, between the area D and the area E（4）；Dismountable deflector is provided in the area I
（6）, deflector（6）One end be provided with dismountable perforation water dispensing board（5）, deflector（6）The other end above be provided with out
Mill weir（7）；The area E, the area F, the area G, the area H and the area I are provided with micro-hole aerator under water（8）, micro-hole aerator（8）Pass through sky
Tracheae（9）With blower fan group（10）It is connected；Electric blender is provided in the area A, the area B, the area C, the area D and the area G（11）；Institute
It states the area F, the area G and the area I bottom and is provided with several buckets（12）, each bucket（12）Bottom be provided with perforated sludge discharge pipe
（13）, perforated sludge discharge pipe（13）Pass through sludge pipe（21）With sludge pump（22）It is connected.
2. multi-mode integrated sewage treating apparatus according to claim 1, which is characterized in that be provided in the area G
Rotate water decanter（26）, rotate water decanter（26）Pass through outlet pipe（28）With municipal sewage pipe network（29）It is connected.
3. multi-mode integrated sewage treating apparatus according to claim 1, which is characterized in that the area E, the area F, the area G,
Micro-hole aerator in the area H and the area I（8）Inlet end be provided with electric butterfly valve（27）.
4. multi-mode integrated sewage treating apparatus according to claim 1, which is characterized in that the area A, the area B and the area D
Inside it is provided with water inlet（14）, each water inlet（14）Pass through sewage water inlet pipe（15）With intake pump（16）Water outlet phase
Connection, intake pump（16）Water inlet end and cesspool（17）It is connected.
5. multi-mode integrated sewage treating apparatus according to claim 1, which is characterized in that the area A, the area B and the area D
Inside it is provided with sludge reflux water outlet（18）, each sludge reflux water outlet（18）Pass through mud return line（19）With sludge
Reflux pump（20）Water outlet be connected, sludge reflux pump（20）Water inlet end pass through mud return line（19）With the area B, the area I phase
Connection.
6. multi-mode integrated sewage treating apparatus according to claim 1, which is characterized in that the area B, the area C, the area D
Mixed liquor recycling effluent mouth is provided with the area E（23）, each mixed liquor recycling effluent mouth（23）Pass through nitrification liquid return pipe
（24）With mixed liquor reflux pump（25）Water outlet be connected, mixed liquor reflux pump（25）Water outlet be connected with the area D, the area H.
7. multi-mode integrated sewage treating apparatus according to claim 1, which is characterized in that the sewage treatment pond body
（1）Be made of carbon steel sheet material, carbon steel sheet with a thickness of 8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810826232.0A CN108862560B (en) | 2018-07-25 | 2018-07-25 | Multi-mode integrated sewage treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810826232.0A CN108862560B (en) | 2018-07-25 | 2018-07-25 | Multi-mode integrated sewage treatment device |
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| CN108862560A true CN108862560A (en) | 2018-11-23 |
| CN108862560B CN108862560B (en) | 2024-02-13 |
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