CN107082533A - Integrated sewage treating apparatus - Google Patents
Integrated sewage treating apparatus Download PDFInfo
- Publication number
- CN107082533A CN107082533A CN201710343145.5A CN201710343145A CN107082533A CN 107082533 A CN107082533 A CN 107082533A CN 201710343145 A CN201710343145 A CN 201710343145A CN 107082533 A CN107082533 A CN 107082533A
- Authority
- CN
- China
- Prior art keywords
- area
- settling zone
- zoneofoxidation
- apparatus body
- hydrolysis acidification
- 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.)
- Pending
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 39
- 238000001914 filtration Methods 0.000 claims abstract description 36
- 230000007062 hydrolysis Effects 0.000 claims abstract description 32
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 32
- 230000020477 pH reduction Effects 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000005192 partition Methods 0.000 claims abstract description 12
- 238000012545 processing Methods 0.000 claims abstract description 6
- 238000005273 aeration Methods 0.000 claims description 9
- 239000010802 sludge Substances 0.000 claims description 8
- 238000004880 explosion Methods 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- 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
Landscapes
- 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 invention discloses a kind of integrated sewage treating apparatus, belong to technical field of sewage, including：Apparatus body；The partition component in apparatus body is arranged on, the partition component will be divided into hydrolysis acidification area, zoneofoxidation, settling zone and filtering area inside apparatus body；The hydrolysis acidification area, zoneofoxidation, settling zone, filtering area are sequentially communicated；The water inlet pipe on apparatus body is arranged on, sewage enters from water inlet pipe, is discharged successively after hydrolysis acidification area, zoneofoxidation, settling zone, filtering area processing from drainpipe.The present invention realizes the steady and continuous operation of sewage disposal, improves sewage treating efficiency, reduce cost of sewage disposal and maintenance cost, beneficial to a wide range of popularization and application by using integrated design, compact conformation.
Description
Technical field
The present invention relates to technical field of sewage, particularly a kind of integrated sewage treating apparatus.
Background technology
Sewage disposal refers to, to make sewage reach the water quality requirement for discharging a certain water body or reusing, handle it
Process.In sewage disposal, anaerobic pond, hydrolysis acidification pool, Aerobic Pond, stirring pool, sedimentation basin etc. are all very common structures
Build thing.In existing common technique, often these pond bodies are in one line, connected between pond body by pipeline, sewage is sequentially passed through
Corresponding reaction tank, occurs specific chemical reaction, then draining.Not only floor space is big for this mode in one line, repair
Build up that high, to build up rear flexible process adjustment poor, and tube pass is long, it is difficult to sewage treating efficiency is improved, pipeline holds
Easily occur drawing crack or blocking, add later maintenance expense.
The content of the invention
In order to overcome the deficiencies in the prior art, a kind of compact conformation of present invention offer, cost are low, efficiency high, can realize dirt
The integrated sewage treating apparatus of the steady and continuous operation of water process.
The technical proposal for solving the technical problem of the invention is：
Integrated sewage treating apparatus, including：Apparatus body；It is arranged on the partition component in apparatus body, the separation
Component will be divided into hydrolysis acidification area, zoneofoxidation, settling zone and filtering area inside apparatus body；The hydrolysis acidification area, oxidation
Area, settling zone, filtering area are sequentially communicated；The water inlet pipe on apparatus body is arranged on, sewage enters from water inlet pipe, successively through hydrolysis
From drainpipe discharge after acidification region, zoneofoxidation, settling zone, filtering area processing.
It is preferred that, the water inlet pipe is connected with hydrolysis acidification area top, hydrolysis acidification area bottom and zoneofoxidation bottom phase
Connection, zoneofoxidation top is connected by conduit with settling zone, and filtering area is located at the top of settling zone and connected with settling zone, mistake
Filter area top is connected with drainpipe.
It is preferred that, the partition component includes：The inner cylinder in apparatus body is arranged on, the filtering area, settling zone are located at
In inner cylinder, filtering area be located at settling zone above and with settling zone open communication；Two be disposed longitudinally on apparatus body and inner cylinder it
Between dividing plate, hydrolysis acidification area and zoneofoxidation separated by dividing plate, and a lower partition is at least provided with connection hydrolysis acid
Change area and the mouth of a river excessively of zoneofoxidation.
It is preferred that, inner cylinder periphery is provided with garland, and filtering area top is connected realization with drainpipe by rhone
Uniform draining.
It is preferred that, the inward slant setting of inner cylinder lower end forms and discharge pipeline is provided with sludge bucket, apparatus body, discharge pipeline with
Sludge bucket lower end is connected.
It is preferred that, apparatus body bottom is provided with the evacuated tube that can empty apparatus body.
It is preferred that, access hole is provided with apparatus body.
It is preferred that, filter packing is set in filtering area, and the filter packing is haydite.
It is preferred that, zoneofoxidation bottom is provided with gas explosion device, and the gas explosion device includes the aeration tube being connected with the external world, with
And it is arranged on the aeration head on aeration tube.
The beneficial effects of the invention are as follows：
1st, using integrated design, compact conformation, floor space is small, and installation and transportation are convenient, largely save equipment investment；
2nd, the use of pipeline connected mode is reduced, maintenance cost is reduced；
3rd, the steady and continuous operation of sewage disposal is realized, sewage treating efficiency is improved, reduces cost of sewage disposal, profit
In a wide range of popularization and application；
4th, stable effluent quality, can be achieved automation left unguarded operating.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the top view of one embodiment of the invention；
Fig. 2 is the inside connection diagram of one embodiment of the invention；
Fig. 3 is the two of the inside connection diagram of one embodiment of the invention；
Fig. 4 is the schematic diagram of one embodiment of the invention.
Embodiment
Reference picture 1, Fig. 2, Fig. 3, as illustrated, integrated sewage treating apparatus, including：Apparatus body 1；It is arranged on equipment
Partition component in body 1, the partition component will be divided into hydrolysis acidification area 2, zoneofoxidation 3, settling zone 4 inside apparatus body
With filtering area 5；The hydrolysis acidification area 2, zoneofoxidation 3, settling zone 4, filtering area 5 are sequentially communicated；Apparatus body 1 is provided with water inlet
Pipe 6, sewage enters from water inlet pipe 6, successively from drainpipe after hydrolysis acidification area 2, zoneofoxidation 3, settling zone 4, the processing of filtering area 5
7 discharges.
The present invention uses integrated design, hydrolysis acidification area 2, zoneofoxidation 3, settling zone 4, filtering area 5 is arranged in same
In apparatus body, not only compact conformation, floor space is small, and installation and transportation are convenient, largely save equipment investment, and realize sewage
The steady and continuous operation of processing, improves sewage treating efficiency, reduces cost of sewage disposal, beneficial to a wide range of popularization and application.
In the present invention, the water inlet pipe 6 is connected with the top of hydrolysis acidification area 2, the bottom of hydrolysis acidification area 2 and zoneofoxidation
3 bottoms are connected, and the top of zoneofoxidation 3 is connected by conduit 8 with settling zone 4, the top settling zone 4 that filtering area 5 is located at and with
Settling zone 4 is connected, and the top of filtering area 5 is connected with drainpipe 7.
Specifically, the partition component includes：The inner cylinder 9 in apparatus body 1 is arranged on, filtering area 5, settling zone 4 are set
In in inner cylinder 9, filtering area 5 is located at the top of settling zone 4 and connected with settling zone 4；Wherein, filtering area 5, settling zone 4 can be out
Formula connection is put, demarcation strip can also be set between filtering area 5 and settling zone 4, is connected by opening up opening on demarcation strip and realizing
Logical, in the present embodiment, filtering area 5, settling zone 4 are open communication.In addition, hydrolysis acidification area 2 and zoneofoxidation 3 surround inner cylinder
9 are set, provided with two longitudinally disposed dividing plates 10 between apparatus body 1 and inner cylinder 9, hydrolysis acidification area 2 and zoneofoxidation 3 by every
Plate 10 is separated, and connection hydrolysis acidification area 2 and the mouth of a river 11 excessively of zoneofoxidation 3 are at least provided with a bottom of dividing plate 10.At this
In the described integrated sewage treating apparatus of invention, hydrolysis acidification area 2 is connected with zoneofoxidation 3 by the mouth of a river 11, and filtering area 5 is with sinking
The open communication of shallow lake area 4, by reducing the connected mode using pipeline, reduces maintenance cost.
The sewage disposal process of the present invention is as follows：Sewage enters from water inlet pipe 6, flows through from top to bottom at hydrolysis acidification area 2
Reason, then crosses the mouth of a river 11 from the bottom of hydrolysis acidification area 2 and enters the bottom of zoneofoxidation 3, flowed from bottom to top in zoneofoxidation 3, processing
Enter settling zone 4 from top to bottom along conduit 8 afterwards, settling zone 4 carries out mud-water separation to water, and sludge etc. fixes sediment due to weight
Power effect is sunk, and the primary water after mud-water separation flows from bottom to top, into the filtration, purification of filtering area 5, most afterwards through the row of drainpipe 7
Go out.
As shown in Figure 1 and Figure 2, the periphery of inner cylinder 9 is provided with garland 12, and the top of filtering area 5 passes through rhone 12 and row
Uniform draining is realized in the connection of water pipe 7, by setting rhone 12 to alleviate water flow pressure at drainpipe 7, it is to avoid local at drainpipe 7
Flow is excessive to cause the generation of mud phenomenon of floaing；In addition, setting filter packing 13 in filtering area 5, the filter packing 13 is haydite,
The characteristics of there is haydite slit to be evenly distributed, antiseptic property is good, can effective water distribution, prevent the partial short-circuit of settling zone 4 from causing the mud that floats.
Stable effluent quality of the present invention, can be achieved automation left unguarded operating.
In the present embodiment, the lower end inward slant setting of inner cylinder 9 forms on sludge bucket 14, apparatus body 1 and is provided with spoil disposal
Pipe 15, discharge pipeline 15 is connected with the lower end of sludge bucket 14, and sludge drains into pressure mud machine through discharge pipeline 15 and handled.
As shown in figure 4, being provided with access hole 16 on apparatus body 1, the bottom of apparatus body 1 is provided with can be by apparatus body
The evacuated tube 17 of 1 emptying, the number of evacuated tube 17 can for one, it is two or more, evacuated tube 17 is communicated to hydrolysis acidification area
2nd, zoneofoxidation 3, facilitate draining spoil disposal and equipment are repaired.
In order to preferably show drainpipe 7, conduit 8, discharge pipeline in the inside annexation of the present invention, Fig. 2, Fig. 3, Fig. 4
15th, the position of evacuated tube 17 is offset, and physical location is as shown in Figure 1.
Further, hydrolysis acidification area 2, zoneofoxidation 3 are interior provided with biochemical filler 18, and the bottom of zoneofoxidation 3 is provided with gas explosion dress
19 are put, gas explosion device 19 includes the aeration tube being connected with the external world, and the aeration head being arranged on aeration tube.
The preferable implementation to the present invention is illustrated above, certainly, and the present invention can also be used and above-mentioned implementation
The different form of mode, the equivalent conversion that those skilled in the art are made on the premise of without prejudice to spirit of the invention
Or corresponding change, it should all belong in protection scope of the present invention.
Claims (9)
1. integrated sewage treating apparatus, it is characterised in that including：
Apparatus body；
The partition component in apparatus body is arranged on, the partition component will be divided into hydrolysis acidification area, oxygen inside apparatus body
Change area, settling zone and filtering area；
The hydrolysis acidification area, zoneofoxidation, settling zone, filtering area are sequentially communicated；
Be arranged on the water inlet pipe on apparatus body, sewage enters from water inlet pipe, successively through hydrolysis acidification area, zoneofoxidation, settling zone,
From drainpipe discharge after filtering area processing.
2. integrated sewage treating apparatus according to claim 1, it is characterised in that
The water inlet pipe is connected with hydrolysis acidification area top, and hydrolysis acidification area bottom is connected with zoneofoxidation bottom, zoneofoxidation
Top is connected by conduit with settling zone, filtering area located at settling zone top and connect with settling zone, filtering area top and
Drainpipe is connected.
3. integrated sewage treating apparatus according to claim 2, it is characterised in that
The partition component includes：
Be arranged on the inner cylinder in apparatus body, the filtering area, settling zone in inner cylinder, filtering area be located above settling zone and
With settling zone open communication；
Two dividing plates for being disposed longitudinally between apparatus body and inner cylinder, hydrolysis acidification area and zoneofoxidation are separated by dividing plate,
A lower partition is at least provided with connection hydrolysis acidification area and the mouth of a river excessively of zoneofoxidation.
4. integrated sewage treating apparatus according to claim 3, it is characterised in that inner cylinder periphery is provided with annular draining
Groove, filtering area top is connected with drainpipe by rhone and realizes uniform draining.
5. integrated sewage treating apparatus according to claim 3, it is characterised in that inner cylinder lower end, which slopes inwardly, sets shape
Into sludge bucket, discharge pipeline is provided with apparatus body, discharge pipeline is connected with sludge bucket lower end.
6. the integrated sewage treating apparatus according to any claim in claim 1 to 5, it is characterised in that equipment
Body bottom portion is provided with the evacuated tube that can empty apparatus body.
7. the integrated sewage treating apparatus according to any claim in claim 1 to 5, it is characterised in that equipment
Access hole is provided with body.
8. the integrated sewage treating apparatus according to any claim in claim 1 to 5, it is characterised in that filtering
Filter packing is set in area, and the filter packing is haydite.
9. the integrated sewage treating apparatus according to any claim in claim 1 to 5, it is characterised in that oxidation
Area bottom is provided with gas explosion device, and the gas explosion device includes the aeration tube being connected with the external world, and is arranged on aeration tube
Aeration head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710343145.5A CN107082533A (en) | 2017-05-16 | 2017-05-16 | Integrated sewage treating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710343145.5A CN107082533A (en) | 2017-05-16 | 2017-05-16 | Integrated sewage treating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107082533A true CN107082533A (en) | 2017-08-22 |
Family
ID=59608071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710343145.5A Pending CN107082533A (en) | 2017-05-16 | 2017-05-16 | Integrated sewage treating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107082533A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110980952A (en) * | 2019-12-26 | 2020-04-10 | 西安建筑科技大学 | Villages and small towns sewage infiltration pond |
| CN111453943A (en) * | 2020-05-21 | 2020-07-28 | 湖南中车环境工程有限公司 | Novel domestic sewage treatment device of view fish pond |
| CN117486322A (en) * | 2024-01-03 | 2024-02-02 | 国家海洋局北海海洋工程勘察研究院 | Device for preprocessing water environment micro-plastic sample by electro-Fenton method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3916520A1 (en) * | 1989-05-20 | 1990-11-22 | Zimmer Erich Helmut | Biological clarifier vessel using aerobic-selective principle - comprises insulated vertical cylindrical vessel divided into concentric zones for aeration, clarification and sedimentation |
| CN2701747Y (en) * | 2004-02-26 | 2005-05-25 | 刘传荣 | Complete vessel sewage treatment unit |
| CN200940108Y (en) * | 2006-08-15 | 2007-08-29 | 武汉加华科技有限公司 | Integrated, up-flow type aeration and filtration wastewater treatment equipment |
| CN201077793Y (en) * | 2007-06-20 | 2008-06-25 | 大连春兴水处理科技发展有限公司 | Combination type biologic oxidation tower used for sewage water regeneration recycle device |
| CN201737774U (en) * | 2010-06-25 | 2011-02-09 | 天津博隆环保技术工程有限公司 | Intelligent integrated sewage treatment device |
| CN104030442A (en) * | 2014-06-27 | 2014-09-10 | 重庆港力环境科技有限公司 | Integral domestic sewage treatment equipment |
| CN105236615A (en) * | 2015-10-14 | 2016-01-13 | 攀钢集团成都钢钒有限公司 | Deposition degreaser |
| CN207016631U (en) * | 2017-05-16 | 2018-02-16 | 中山市地道环保工程有限公司 | Integrated sewage treating apparatus |
-
2017
- 2017-05-16 CN CN201710343145.5A patent/CN107082533A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3916520A1 (en) * | 1989-05-20 | 1990-11-22 | Zimmer Erich Helmut | Biological clarifier vessel using aerobic-selective principle - comprises insulated vertical cylindrical vessel divided into concentric zones for aeration, clarification and sedimentation |
| CN2701747Y (en) * | 2004-02-26 | 2005-05-25 | 刘传荣 | Complete vessel sewage treatment unit |
| CN200940108Y (en) * | 2006-08-15 | 2007-08-29 | 武汉加华科技有限公司 | Integrated, up-flow type aeration and filtration wastewater treatment equipment |
| CN201077793Y (en) * | 2007-06-20 | 2008-06-25 | 大连春兴水处理科技发展有限公司 | Combination type biologic oxidation tower used for sewage water regeneration recycle device |
| CN201737774U (en) * | 2010-06-25 | 2011-02-09 | 天津博隆环保技术工程有限公司 | Intelligent integrated sewage treatment device |
| CN104030442A (en) * | 2014-06-27 | 2014-09-10 | 重庆港力环境科技有限公司 | Integral domestic sewage treatment equipment |
| CN105236615A (en) * | 2015-10-14 | 2016-01-13 | 攀钢集团成都钢钒有限公司 | Deposition degreaser |
| CN207016631U (en) * | 2017-05-16 | 2018-02-16 | 中山市地道环保工程有限公司 | Integrated sewage treating apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 徐洪斌等: "一体化生活污水处理工艺及装置研究", 《河南科技》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110980952A (en) * | 2019-12-26 | 2020-04-10 | 西安建筑科技大学 | Villages and small towns sewage infiltration pond |
| CN111453943A (en) * | 2020-05-21 | 2020-07-28 | 湖南中车环境工程有限公司 | Novel domestic sewage treatment device of view fish pond |
| CN117486322A (en) * | 2024-01-03 | 2024-02-02 | 国家海洋局北海海洋工程勘察研究院 | Device for preprocessing water environment micro-plastic sample by electro-Fenton method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100491269C (en) | Efficient anaerobic ammoxidation reactor | |
| CN202063780U (en) | Pressure type air floating filtering and water purifying device | |
| CN203938576U (en) | A kind of laminated sludge dehydrator that configures concentration tank | |
| CN107082533A (en) | Integrated sewage treating apparatus | |
| CN206872639U (en) | A kind of integrated sewage treating apparatus | |
| CN101348303B (en) | Micro-power integrated purifier for domestic waste water | |
| CN203715352U (en) | Large-flux sludge discharging and clarifying device | |
| CN207016631U (en) | Integrated sewage treating apparatus | |
| CN201058827Y (en) | Highly effective anaerobic ammonia oxidation reactor | |
| CN201250161Y (en) | Micro-power integrated domestic sewage purifying device | |
| CN217351091U (en) | Spiral-flow type internal circulation anaerobic equipment for organic wastewater treatment | |
| CN205933554U (en) | Solid -state biofilm reactor sewage treatment system | |
| CN202390284U (en) | Compound microbial digestion tank | |
| CN205099556U (en) | CSBR sewage treatment pond | |
| CN108408908A (en) | A kind of integrated small sewage-treatment plant and sewage water treatment method | |
| CN108358316A (en) | Efficient low-consume sewage-treatment plant | |
| CN103922541A (en) | Integral treatment device for municipal wastewater treatment by full-suspension activated sludge process | |
| CN103570130B (en) | Four-in-one sewage treatment equipment | |
| CN202446882U (en) | Dynamic drift sand filtering system | |
| CN106745706B (en) | Activated sludge precipitation device placed in aeration tank | |
| CN107585896B (en) | Solid impurity sewage treatment device and method | |
| CN206486397U (en) | A kind of wastewater treatment equipment that disappears of eating | |
| CN206467031U (en) | A kind of high-efficiency and energy-saving type oxidation ditch | |
| CN214693442U (en) | Integrated domestic sewage treatment equipment | |
| CN204058182U (en) | Four-in-one sewage treatment equipment modified node method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170822 |