CN107601753A - A kind of aerator of biodegradable processing sewage - Google Patents
A kind of aerator of biodegradable processing sewage Download PDFInfo
- Publication number
- CN107601753A CN107601753A CN201610545877.8A CN201610545877A CN107601753A CN 107601753 A CN107601753 A CN 107601753A CN 201610545877 A CN201610545877 A CN 201610545877A CN 107601753 A CN107601753 A CN 107601753A
- Authority
- CN
- China
- Prior art keywords
- aeration
- main body
- aerator
- sewage
- filter membrane
- 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 56
- 238000005276 aerator Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000006065 biodegradation reaction Methods 0.000 claims abstract description 36
- 238000009428 plumbing Methods 0.000 claims abstract description 15
- 239000007857 degradation product Substances 0.000 claims abstract description 14
- 238000005273 aeration Methods 0.000 claims description 66
- 239000012528 membrane Substances 0.000 claims description 31
- 239000010802 sludge Substances 0.000 claims description 29
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 18
- 239000001301 oxygen Substances 0.000 claims description 18
- 229910052760 oxygen Inorganic materials 0.000 claims description 18
- 230000015556 catabolic process Effects 0.000 claims description 15
- 238000006731 degradation reaction Methods 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 11
- 238000012806 monitoring device Methods 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 2
- 238000007667 floating Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- Separation Using Semi-Permeable Membranes (AREA)
- Activated Sludge Processes (AREA)
Abstract
The present invention provides a kind of aerator of biodegradable processing sewage, apparatus main body top is provided with insoluble matter retracting device, apparatus main body top both sides are provided with water inlet, water inlet is connected with plumbing drain, apparatus main body bottom both sides are provided with delivery port, delivery port is connected with discharge pipe line, water intaking valve is provided with plumbing drain, draining valve is provided with discharge pipe line, plumbing drain one end is connected with intake pump, biodegradation unit is uniformly arranged on inside apparatus main body, aerator is arranged on below each biodegradation unit, degradation product retracting device is provided with above each biodegradation unit.Biodegradable processing is carried out to sewage using biotechnology, various chemicalses are launched into sewage and all kinds of pollutions to caused by environment so as to reduce, it is biodegradable after sewage can be also used for the seconary water uses of other situations of city, saving water resource.
Description
Technical field
The present invention relates to field of sewage treatment, and sewage is handled using biodegradation more specifically to a kind of
Aeration tank.
Background technology
Sewage disposal is to make the mistake that sewage reaches a certain water body of draining or the water quality requirement that reuses is purified to it
Journey.It is each that sewage disposal is widely used in building, agricultural, traffic, the energy, petrochemical industry, environmental protection, urban landscape, medical treatment, food and drink etc.
Field, the daily life of common people is also come into more and more.
In recent years, city domestic sewage discharge had been that the primary pollution source city domestic sewage processing of Chinese city water is
Urban water conservation at present and in the future and the most important thing for the treatment of work, this requires us processing sanitary sewage
The construction of facility is grabbed as the important content of urban infrastructure, and is too impatient to wait thing.And at current sewage
It is high to manage pond cost of manufacture, poor processing effect.
The content of the invention
Instant invention overcomes deficiency of the prior art, current treatment tank cost of manufacture is high, poor processing effect, carries
A kind of aeration tank using biodegradable processing sewage has been supplied, biodegradable processing is carried out to sewage using biotechnology, so as to
Reduce and various chemicalses are launched into sewage and all kinds of pollutions to caused by environment, the sewage after biodegradation can also be used
In the seconary water use of other situations of city, saving water resource.
The purpose of the present invention is achieved by following technical proposals.
A kind of aerator of biodegradable processing sewage, including apparatus main body, aerator, biodegradation unit, no
Molten thing retracting device and degradation product retracting device, described device main body top is provided with the insoluble matter retracting device, in institute
State apparatus main body top both sides and be provided with water inlet, the water inlet is connected with plumbing drain, in described device main body bottom two
Side is provided with delivery port, and the delivery port is connected with discharge pipe line, and water intaking valve is provided with the plumbing drain, in the row
Draining valve is provided with water lines, described plumbing drain one end is connected with intake pump, and the biodegradation unit is uniformly arranged on
Described device body interior, the aerator are arranged on below each biodegradation unit, in each biology drop
The degradation product retracting device is provided with above solution device；
The biodegradation unit includes upper backup pad, lower supporting plate and biodegradation device, the upper backup pad with it is described
Lower supporting plate is arranged on the inwall of described device main body, and through hole is provided with the upper backup pad, in the lower support
Lower through-hole is provided with plate, the upper through hole is staggered with the lower through-hole, in the upper backup pad and the lower supporting plate
Between be provided with the biodegradation device, the biodegradation device includes active degradation absorbing component, filter shell and filter membrane,
The filter shell uses rectangular configuration, and filter bores are uniformly provided with the filter shell, in the filter shell
Side is provided with the filter membrane, and the active degradation absorbing component is provided with the filter membrane；
The degradation product retracting device includes permeable filter membrane, vibration collector, collecting tank and passing away, described
Water filtration film is arranged on above the upper backup pad, and the angle of the permeable filter membrane and horizontal direction is 10-15 °, described
The vibration collector is provided with below permeable filter membrane, the collecting tank is arranged on described permeable filter membrane one end, described
The passing away is provided with collecting tank, the passing away is connected with being arranged on the outlet of described device body interior
It is logical.
The insoluble matter retracting device includes sludge accumulator tank, sludge collects scraper plate and scraper plate rail plate, described to scrape
Plate rail plate is arranged on described device main body top, and the sludge collection scraper plate activity is arranged on the scraper plate rail plate
On, the sludge accumulator tank reclaims guide rail by sludge and is arranged on described device main body top side, and the sludge accumulator tank is adopted
With " L " shape structure.
The aerator includes aeration air intake pump, aeration air inlet pipeline and aeration devices, the aeration air inlet pipeline
It is arranged on below the lower supporting plate, the aeration opening, the aeration portion is uniformly provided with the aeration air inlet pipeline
Part is arranged in the aeration opening, and the aeration devices include aeration head and aeration connecting tube, and the aeration head is using transversal
Face is semicircular structure, and aeration spout, the aeration head bottom and the exposure are uniformly provided with the top of the aeration head
Gas connecting tube is connected, and described aeration air inlet pipeline one end is provided with the aeration air intake pump.
Described device main body top is provided with water level monitor, oxygen content monitoring is provided with described device main body bottom
Device, the output end of the water level monitor are connected with the water input for the control system being arranged on the outside of apparatus main body, institute
The water output end for stating control system is connected with the switch of the water intaking valve, the output end of the oxygen content monitoring device with it is described
The draining input of control system is connected, and the draining output end of the control system is connected with the switch of the draining valve.
Beneficial effects of the present invention are：By the biodegradation unit being arranged in apparatus main body, to each in sewage
Kind can carry out the degradation treatment on the pollutant progress biology that degradation treatment is fallen using microbial degradation, so as to effectively keep away
Exempt from using the dispensing chemical substance degradation of contaminant into sewage；Aerator is provided with below every layer of lower supporting plate, is led to
That crosses aerator constantly conveys oxygen into apparatus main body, so that being arranged between upper backup pad and lower supporting plate
Degraded absorbing component in biodegradation device effectively can be carried out quick using the oxygen in sewage to the various materials in sewage
Degraded, the setting of filter membrane be then in order to avoid each layer lower supporting plate below have already passed through on the sewage and upper backup pad of processing
The raw sewerage mixing of side；The setting of insoluble matter retracting device so that floating on the sludge on sewage upper strata can shift to an earlier date
Collected by top layer sludge retracting device so that the sludge for floating on sewage upper strata does not interfere with the aeration effect of sewage, simultaneously
Also reduce the content of sludge in sewage；It is respectively arranged with water intaking valve and draining valve on plumbing drain and discharge pipe line, and
It is then for automatic control device master that apparatus main body upper and lower ends, which are respectively arranged with water level monitor with oxygen content monitoring device,
Sewage content in body, when sewage too high levels, control system control water intaking valve is closed so that biodegradation unit is to device master
Internal sewage is degraded, and treats that oxygen content monitoring device contains to the control system conveying undermost sewage of signal i.e. apparatus main body
When oxygen amount has reached standard value, control system control draining valve is opened, so as to outside draining so that the sewage energy positioned at upper strata
It is enough effectively to flow to apparatus main body lower floor, the efficiency of effective monitoring sewage disposal；Degradation product is provided with above upper backup pad to return
Receiving apparatus, by permeable filter membrane and vibration collector effect can will top degradation product retracting device degraded after it is insoluble
Thing is reclaimed, and is reduced so as to avoid insoluble matter from being deposited on the efficiency for causing subsequent bio to be degraded on the upper backup pad of lower section,
So as to cause whole device can not the situation of normal use occur, collecting the insoluble matter returned can be logical by collecting tank and discharge
Outside road discharger main body, insoluble matter is avoided to block biodegradable retracting device.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of biodegradation unit in the present invention；
Fig. 3 is the structural representation of aerator in the present invention；
In figure：1 is apparatus main body, and 2 be aerator, and 3 be biodegradation unit, and 4 be plumbing drain, and 5 be discharge pipe line,
6 be water intaking valve, and 7 be draining valve, and 8 be upper backup pad, and 9 be lower supporting plate, and 10 be upper through hole, and 11 be lower through-hole, and 12 be activity drop
Absorbing component is solved, 13 be filter shell, and 14 be sludge accumulator tank, and 15 be that sludge collects scraper plate, and 16 be scraper plate rail plate, and 17 be exposure
Gas air intake pump, 18 be aeration air inlet pipeline, and 19 be aeration head, and 20 be aeration connecting tube, and 21 be water level monitor, and 22 be oxygen content
Monitoring device, 23 be control system, and 24 be permeable filter membrane, and 25 be vibration collector, and 26 be collecting tank.
Embodiment
Technical scheme is further described below by specific embodiment.
As shown in Figure 1 to Figure 3, wherein, 1 is apparatus main body, and 2 be aerator, and 3 be biodegradation unit, and 4 be sewage pipe
Road, 5 be discharge pipe line, and 6 be water intaking valve, and 7 be draining valve, and 8 be upper backup pad, and 9 be lower supporting plate, and 10 be upper through hole, under 11 are
Through hole, 12 be active degradation absorbing component, and 13 be filter shell, and 14 be sludge accumulator tank, and 15 be that sludge collects scraper plate, and 16 be scraper plate
Rail plate, 17 be aeration air intake pump, and 18 be aeration air inlet pipeline, and 19 be aeration head, and 20 be aeration connecting tube, and 21 be that water level is supervised
Device is surveyed, 22 be oxygen content monitoring device, and 23 be control system, and 24 be permeable filter membrane, and 25 be vibration collector, and 26 be collection
Groove.
Using the aeration tank of biodegradable processing sewage, including it is apparatus main body, aerator, biodegradation unit, insoluble
Thing retracting device and degradation product retracting device, apparatus main body top is provided with insoluble matter retracting device, on apparatus main body top
Both sides are provided with water inlet, and water inlet is connected with plumbing drain, are provided with delivery port in apparatus main body bottom both sides, delivery port with
Discharge pipe line is connected, and water intaking valve is provided with plumbing drain, is provided with draining valve on discharge pipe line, plumbing drain one end with
Intake pump is connected, and biodegradation unit is uniformly arranged on inside apparatus main body, and aerator is arranged on each biodegradation unit
Lower section, degradation product retracting device is provided with above each biodegradation unit；
Biodegradation unit includes upper backup pad, lower supporting plate and biodegradation device, and upper backup pad is set with lower supporting plate
On the inwall of apparatus main body, through hole is provided with upper backup pad, is provided with lower through-hole on lower supporting plate, upper through hole with
Lower through-hole is staggered, and biodegradation device is provided between upper backup pad and lower supporting plate, and biodegradation device includes activity and dropped
Solution absorbing component, filter shell and filter membrane, filter shell use rectangular configuration, filtering are uniformly provided with filter shell
Hole, filter membrane is provided with the inside of filter shell, active degradation absorbing component is provided with filter membrane；
Degradation product retracting device includes permeable filter membrane, vibration collector, collecting tank and passing away, permeable filter membrane
It is arranged on above upper backup pad, the angle of permeable filter membrane and horizontal direction is 10-15 °, is provided with below permeable filter membrane
Collector is vibrated, collecting tank is arranged on permeable filter membrane one end, passing away is provided with collecting tank, passing away is with setting
Outlet inside apparatus main body is connected.
Insoluble matter retracting device includes sludge accumulator tank, sludge collects scraper plate and scraper plate rail plate, and scraper plate is slided and led
Rail is arranged on apparatus main body top, and sludge collection scraper plate activity is arranged on scraper plate rail plate, and sludge accumulator tank passes through dirt
Mud recovery guide rail is arranged on apparatus main body top side, and sludge accumulator tank uses " L " shape structure.
Aerator includes aeration air intake pump, aeration air inlet pipeline and aeration devices, and aeration air inlet pipeline is arranged on down
Below supporting plate, aeration opening is uniformly provided with aeration air inlet pipeline, aeration devices are arranged in aeration opening, aeration devices
Cross section is used uniformly to be set at the top of aeration head for semicircular structure including aeration head and aeration connecting tube, aeration head
Aeration spout is equipped with, aeration head bottom is connected with aeration connecting tube, and aeration air inlet pipeline one end is provided with aeration air intake pump.
Apparatus main body top is provided with water level monitor, apparatus main body bottom is provided with oxygen content monitoring device, water
The output end of position monitor is connected with the water input for the control system being arranged on the outside of apparatus main body, the water of control system
Output end is connected with the switch of water intaking valve, and the output end of oxygen content monitoring device is connected with the draining input of control system, control
The draining output end of system processed is connected with the switch of draining valve.
By the biodegradation unit being arranged in apparatus main body, microbial degradation can be utilized to various in sewage
The pollutant fallen to carry out degradation treatment carries out the degradation treatment on biology, is launched so as to efficiently avoid to use into sewage
Chemical substance degradation of contaminant；Aerator is provided with below every layer of lower supporting plate, by aerator to device master
Oxygen is constantly conveyed in vivo, so that the degraded being arranged in the biodegradation device between upper backup pad and lower supporting plate is inhaled
Addressee effectively can carry out fast degradation using the oxygen in sewage to the various materials in sewage, and the setting of filter membrane is then
In order to avoid the raw sewerage having already passed through above the sewage and upper backup pad of processing below each layer lower supporting plate mixes
Close；The setting of insoluble matter retracting device so that floating on the sludge on sewage upper strata can shift to an earlier date by top layer sludge retracting device institute
Collect so that the sludge for floating on sewage upper strata does not interfere with the aeration effect of sewage, while also reduces sludge in sewage
Content；Water intaking valve and draining valve are respectively arranged with plumbing drain and discharge pipe line, and is distinguished in apparatus main body upper and lower ends
It is then for sewage content in automatic control device main body, when sewage contains that water level monitor, which is provided with, with oxygen content monitoring device
When measuring too high, control system control water intaking valve is closed so that biodegradation unit is degraded to the sewage in apparatus main body, is treated
Oxygen content monitoring device to control system convey signal be that the undermost sewage oxygen content of apparatus main body has reached standard value when,
Control system control draining valve is opened, so as to outside draining so that the sewage positioned at upper strata can effectively flow to apparatus main body
Lower floor, the efficiency of effective monitoring sewage disposal；Degradation product retracting device is provided with above upper backup pad, passes through permeable filter membrane
Effect with vibration collector can be reclaimed the insoluble matter after the degradation product retracting device degraded of top, so as to avoid not
Molten thing is deposited on the efficiency for causing subsequent bio to be degraded on the upper backup pad of lower section and reduced, so as to cause whole device can not be just
The situation that often uses occurs, collect the insoluble matter returned can be by collecting tank and passing away discharger main body outside, avoid
Insoluble matter blocks biodegradable retracting device.
Permeable filter membrane and filter membrane in embodiment can only allow water by preventing solid matter using existing
The material passed through.
The present invention is described in detail above, but the content is only presently preferred embodiments of the present invention, it is impossible to recognized
For the practical range for limiting the present invention.Any changes and modifications in accordance with the scope of the present application, all should still it return
Belong within the patent covering scope of the present invention.
Claims (4)
- A kind of 1. aerator of biodegradable processing sewage, it is characterised in that：Including apparatus main body, aerator, biology drop Device, insoluble matter retracting device and degradation product retracting device are solved, the insoluble matter recovery is provided with described device main body top Device, described device main body top both sides are provided with water inlet, the water inlet is connected with plumbing drain, in described device master Body bottom both sides are provided with delivery port, and the delivery port is connected with discharge pipe line, and water intaking valve is provided with the plumbing drain, Draining valve is provided with the discharge pipe line, described plumbing drain one end is connected with intake pump, and the biodegradation unit is equal Even to be arranged on described device body interior, the aerator is arranged on below each biodegradation unit, in each institute State and the degradation product retracting device is provided with above biodegradation unit；The biodegradation unit includes upper backup pad, lower supporting plate and biodegradation device, the upper backup pad and the lower branch Fagging is arranged on the inwall of described device main body, and through hole is provided with the upper backup pad, on the lower supporting plate Lower through-hole is provided with, the upper through hole is staggered with the lower through-hole, between the upper backup pad and the lower supporting plate The biodegradation device is provided with, the biodegradation device includes active degradation absorbing component, filter shell and filter membrane, described Filter shell uses rectangular configuration, and filter bores are uniformly provided with the filter shell, is set on the inside of the filter shell The filter membrane is equipped with, the active degradation absorbing component is provided with the filter membrane；The degradation product retracting device includes permeable filter membrane, vibration collector, collecting tank and passing away, the permeable mistake Filter membrane is arranged on above the upper backup pad, and the angle of the permeable filter membrane and horizontal direction is 10-15 °, described permeable The vibration collector is provided with below filter membrane, the collecting tank is arranged on described permeable filter membrane one end, in the collection The passing away is provided with groove, the passing away is connected with being arranged on the outlet of described device body interior.
- A kind of 2. aerator of biodegradable processing sewage according to claim 1, it is characterised in that：The insoluble matter Retracting device includes sludge accumulator tank, sludge collects scraper plate and scraper plate rail plate, the scraper plate rail plate are arranged on institute Apparatus main body top is stated, the sludge collection scraper plate activity is arranged on the scraper plate rail plate, the sludge accumulator tank Guide rail is reclaimed by sludge and is arranged on described device main body top side, the sludge accumulator tank uses " L " shape structure.
- A kind of 3. aerator of biodegradable processing sewage according to claim 1, it is characterised in that：The aeration dress Put and be arranged on the lower supporting plate including aeration air intake pump, aeration air inlet pipeline and aeration devices, the aeration air inlet pipeline Lower section, the aeration opening is uniformly provided with the aeration air inlet pipeline, the aeration devices are arranged on the aeration opening On, the aeration devices include aeration head and aeration connecting tube, the aeration head use cross section as semicircular structure, Uniform at the top of the aeration head to be provided with aeration spout, the aeration head bottom is connected with the aeration connecting tube, described Aeration air inlet pipeline one end is provided with the aeration air intake pump.
- A kind of 4. aerator of biodegradable processing sewage according to claim 1, it is characterised in that：In described device Main body top is provided with water level monitor, and described device main body bottom is provided with oxygen content monitoring device, the water level monitoring The output end of device is connected with the water input for the control system being arranged on the outside of apparatus main body, and the water of the control system is defeated Go out end with the switch of the water intaking valve to be connected, the output end of the oxygen content monitoring device inputs with the draining of the control system End is connected, and the draining output end of the control system is connected with the switch of the draining valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610545877.8A CN107601753A (en) | 2016-07-12 | 2016-07-12 | A kind of aerator of biodegradable processing sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610545877.8A CN107601753A (en) | 2016-07-12 | 2016-07-12 | A kind of aerator of biodegradable processing sewage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107601753A true CN107601753A (en) | 2018-01-19 |
Family
ID=61054999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610545877.8A Pending CN107601753A (en) | 2016-07-12 | 2016-07-12 | A kind of aerator of biodegradable processing sewage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107601753A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101514047A (en) * | 2008-02-21 | 2009-08-26 | 北京科净源科技股份有限公司 | Compound biological membrane sewage treatment process |
| CN201791416U (en) * | 2010-09-16 | 2011-04-13 | 大连太平洋电子有限公司 | Film waste filter used for circuit board stripping machine |
| CN204939181U (en) * | 2015-05-20 | 2016-01-06 | 天紫环保投资控股有限公司 | A kind of comprehensive sewage treatment system |
| CN205270103U (en) * | 2015-12-10 | 2016-06-01 | 大莲电瓷（福建）有限公司 | Take shale shaker of waste collection device |
| JP3204678U (en) * | 2015-03-30 | 2016-06-09 | イーミン ジアン | Domestic sewage treatment equipment |
-
2016
- 2016-07-12 CN CN201610545877.8A patent/CN107601753A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101514047A (en) * | 2008-02-21 | 2009-08-26 | 北京科净源科技股份有限公司 | Compound biological membrane sewage treatment process |
| CN201791416U (en) * | 2010-09-16 | 2011-04-13 | 大连太平洋电子有限公司 | Film waste filter used for circuit board stripping machine |
| JP3204678U (en) * | 2015-03-30 | 2016-06-09 | イーミン ジアン | Domestic sewage treatment equipment |
| CN204939181U (en) * | 2015-05-20 | 2016-01-06 | 天紫环保投资控股有限公司 | A kind of comprehensive sewage treatment system |
| CN205270103U (en) * | 2015-12-10 | 2016-06-01 | 大莲电瓷（福建）有限公司 | Take shale shaker of waste collection device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180119 |
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| RJ01 | Rejection of invention patent application after publication |