CN106277112A - A kind of purifier processed at the beginning of sewage - Google Patents
A kind of purifier processed at the beginning of sewage Download PDFInfo
- Publication number
- CN106277112A CN106277112A CN201610786159.XA CN201610786159A CN106277112A CN 106277112 A CN106277112 A CN 106277112A CN 201610786159 A CN201610786159 A CN 201610786159A CN 106277112 A CN106277112 A CN 106277112A
- Authority
- CN
- China
- Prior art keywords
- sewage
- flocculant
- purifying tube
- filter case
- contaminant filter
- 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
Classifications
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
-
- 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
- C02F1/5281—Installations for water purification using chemical agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses the purifier processed at the beginning of a kind of sewage, including entering Shui Tai, purifying tube and contaminant filter case, the inwall of described water inlet platform connects auxiliary rabbling mechanism, described auxiliary rabbling mechanism includes connecting block, double wedge, side tooth, tilting the upper drainage plate and lower drainage plate installed, and the bottom of described water inlet platform is connected with the side at purifying tube top.When sewage can be mixed mutually by the present invention with flocculant, action of gravity is utilized to make sewage and flocculant produce the power of lasting making contact and downward spiral when flowing, increase the contact area of sewage and flocculant, sewage and the mixed effect of flocculant and efficiency are greatly improved, and further sewage and flocculant can be carried out auger, sewage can be made at short notice more fully to mix with flocculant, improve sewage and flocculant mixed effect largely.
Description
Technical field
The present invention relates to technical field of sewage, the purifier processed at the beginning of a kind of sewage.
Background technology
Sewage disposal is for making sewage reach a certain water body of draining or the water quality requirement reused, and purifies it
Process.Sewage disposal is widely used in building, agricultural, traffic, the energy, petrochemical industry, environmental protection, urban look, medical treatment, food and drink etc.
Every field, comes into the daily life of common people the most more and more.When carrying out sewage disposal, need to use flocculant to enter
Row auxiliary, when sewage primary treatment, needs to be sufficiently mixed sewage with flocculant, just carries out the filtration step of impurity.
Nowadays the purifier processed at the beginning of sewage on market, sewage is long with the incorporation time of flocculant, mostly adopts
Carrying out by the form of Stirring, sewage is poor with the mixed effect of flocculant, and usually there will be clogging when stirring, difficult
To meet the use demand of market and sewage disposal.
Summary of the invention
It is an object of the invention to provide the purifier processed at the beginning of a kind of sewage, possess and be prevented from the appearance when stirring
The situation of blocking, it is possible to sewage and flocculant are carried out auger, and incorporation time is short, good mixing effect, high excellent of efficiency
Point, solves sewage long with the incorporation time of flocculant, and sewage is poor with the mixed effect of flocculant, and usually can go out when stirring
The problem of existing clogging.
For achieving the above object, the present invention provides following technical scheme:
A kind of purifier processed at the beginning of sewage, including entering Shui Tai, purifying tube and contaminant filter case, described water inlet platform interior
Wall connect have auxiliary rabbling mechanism, described auxiliary rabbling mechanism include even block, double wedge, side tooth, tilt the upper drainage plate installed and
Lower drainage plate, one end of described upper drainage plate and lower drainage plate is all connected by the inwall of even block with water inlet platform, upper drainage plate and
The installation position of lower drainage plate is interlaced, and double wedge is all installed on the surface at upper drainage plate and lower drainage plate top, described side tooth
Side is connected with the inwall of water inlet platform.
The bottom of described water inlet platform is connected with the side at purifying tube top, and what the side bottom described purifying tube was provided with goes out
Connecting at the mouth of a river and have a layer net, the side bottom purifying tube is connected with contaminant filter case by outlet, described contaminant filter case
The middle part of inner chamber is provided with drainage screen, and the side of contaminant filter case is provided with drain pipe, and connection is run through at the middle part of described purifying tube inner chamber
Having helical axis, the outer surface of described helical axis connects has rotating vane, the bottom of described purifying tube to be provided with base plate, described base top
The side in portion connects motor, and the power transmission shaft of described motor is socket-connected with the helical axis stretching out purifying tube side by shaft coupling.
Preferably, the bottom of described base plate connects symmetrical support column, and the bottom connection of support column has projection.
Preferably, the surface bottom described purifying tube and contaminant filter box cavity is angle of inclination and is in 135
Spend the inclined-plane between 150 degree, and the inwall of purifying tube is provided with heater.
Preferably, the cross-sectional shape of described drainage screen is M shape structure, and the top and bottom of drainage screen is equipped with and is embedded in
Block is determined in contaminant filter box body.
Preferably, the bottom of described contaminant filter case is provided with backing plate, and the bottom of the top of backing plate and contaminant filter case it
Between be provided with notch.
Compared with prior art, beneficial effects of the present invention is as follows:
1, the present invention is by arranging auxiliary rabbling mechanism, it is possible to when being mixed mutually with flocculant by sewage so that sewage passes through
Upper drainage plate and lower drainage plate, utilize action of gravity make sewage and flocculant produce when flowing lasting making contact and
The power of downward spiral, under the cooperation of double wedge and side tooth, it is possible to increases the contact area of sewage and flocculant, is greatly improved
The mixed effect of sewage and flocculant and efficiency so that sewage mix with flocculant more uniformly, and pass through motor, spiral
Axle and the cooperation of rotating vane, it is possible to further sewage and flocculant are carried out auger, it is possible to make dirt at short notice
Water more fully mixes with flocculant, while improve sewage and flocculant mixed effect largely, also can
Enough avoid the accumulation of impurities contained in sewage when sewage disposal to cause purifying tube that the phenomenon of blocking occurs in purifying tube, pass through
Impurity in sewage can effectively be filtered by drainage screen and layer net, reduces the impurity content in sewage, serves sewage
Primary treatment purifies, and reduces the effect of impurity content in sewage.
2, the present invention utilization by heater, it is possible to use high temperature sewage to be carried out sterilizing process, in very big journey
Improve the treatment effect of sewage on degree, reduce the difficulty of later stage sewage disposal, and can increase miscellaneous by the utilization of backing plate
While matter Rose Box stability, it is possible to contaminant filter case is effectively protected, prevent the extraneous factors such as moisture to impurity mistake
The erosion that filter box produces.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
In figure: 1 water inlet platform, 2 auxiliary rabbling mechanisms, drainage plate on 21,22 times drainage plates, 23 even block, 24 double wedges, 25 sides
Tooth, 3 purifying tubes, 31 heaters, 4 helical axis, 5 rotating vanes, 6 base plates, 61 support columns, 62 projections, 7 motors, 71 power transmission shafts, 8
Shaft coupling, 9 outlets, 10 layers of net, 11 contaminant filter casees, 111 backing plates, 112 notches, 12 drainage screens, 121 determine block, 13 drain pipies.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Refer to the purifier processed at the beginning of Fig. 1, a kind of sewage, including entering water platform 1, purifying tube 3 and contaminant filter case 11,
The inwall of water inlet platform 1 connects auxiliary rabbling mechanism 2, and auxiliary rabbling mechanism 2 includes connecting block 23, double wedge 24, side tooth 25, tilting peace
If upper drainage plate 21 and lower drainage plate 22, one end of upper drainage plate 21 and lower drainage plate 22 is all by even block 23 and water inlet platform 1
Inwall be connected, upper drainage plate 21 is interlaced with the installation position of lower drainage plate 22, and upper drainage plate 21 pushes up with lower drainage plate 22
Double wedge 24 is all installed on the surface in portion, and the side of side tooth 25 is connected with the inwall of water inlet platform 1.
The bottom of water inlet platform 1 is connected with the side at purifying tube 3 top, the outlet 9 that the side bottom purifying tube 3 is provided with
Place's connection has layer net 10, and the side bottom purifying tube 3 is connected with contaminant filter case 11 by outlet 9, contaminant filter case 11
Bottom be provided with backing plate 111, while contaminant filter case 11 stability can being increased by the utilization of backing plate 111, it is possible to miscellaneous
Matter Rose Box 11 effectively protects, and prevents the erosion that contaminant filter case 11 is produced by the extraneous factors such as moisture, and backing plate 111
Being provided with notch 112 between the bottom of top and contaminant filter case 11, notch 112 can increase contaminant filter case 11 and backing plate 111
Install stability.
The surface of purifying tube 3 and contaminant filter case 11 intracavity bottom is angle of inclination and is in 135 degree to 100
Inclined-plane between 50 degree, this angle of inclination is in the inclined-plane between 135 degree to 150 degree can be easy to sewage
In purifying tube 3 with contaminant filter case 11, carry out quick gravity for transport, and the inwall of purifying tube 3 is provided with heater 31, passes through
The utilization of heater 31, it is possible to use high temperature that sewage is carried out sterilizing process, improve the place of sewage largely
Reason effect, reduces the difficulty of later stage sewage disposal, and the middle part of contaminant filter case 11 inner chamber is provided with drainage screen 12, drainage screen 12
Cross-sectional shape is M shape structure, and this structure can increase the contact area of sewage and drainage screen 12, thus the height filtration effect of sewage
Really, and the top and bottom of drainage screen 12 be equipped be embedded in contaminant filter case 11 casing determine block 121, determining block 121 can
Increasing stability when drainage screen 12 is installed and steadiness, the side of contaminant filter case 11 is provided with drain pipe 13, purifying tube 3 inner chamber
Middle part run through connection and have helical axis 4, the outer surface of helical axis 4 connects has rotating vane 5, the bottom of purifying tube 3 to be provided with base plate
6, the bottom of base plate 6 connects symmetrical support column 61, and the bottom connection of support column 61 has projection 62, base plate 6 top
Side connect and have motor 7, the power transmission shaft of motor 7 71 is socket-connected with the helical axis 4 stretching out purifying tube 3 side by shaft coupling 8.
During use, first starting motor 7, utilize water inlet platform 1 to inject in sewage and flocculant, sewage passes through with flocculant
Upper drainage plate 21, lower drainage plate 22, double wedge 24 and side tooth 25 coordinate so that sewage and flocculant carry out lasting making contact,
It is sufficiently mixed, and sewage and flocculant fall within purifying tube 3, in the transmission of motor 7 jointly under gravity
Under the drive of axle 71 high speed rotating, helical axis 4 realizes circumference and rotarily drives, and then rotating vane 5 realizes rotating, and carries out sewage
Continuing to promote forward, sewage is injected into contaminant filter case 11 through outlet 9 and filters, and sewage passes through layer net 10 and drainage screen
After 12 filter, discharged by drain pipe 13 and can complete to process at the beginning of sewage.
In sum: the purifier processed at the beginning of this sewage, by arranging auxiliary rabbling mechanism 2, it is possible to by sewage and wadding
When solidifying agent mixes mutually so that sewage, through upper drainage plate 21 and lower drainage plate 22, utilizes action of gravity to make sewage and flocculant
The power of lasting making contact and downward spiral is produced, under the cooperation of double wedge 24 and side tooth 25, it is possible to increase when flowing
The contact area of sewage and flocculant, is greatly improved mixed effect and the efficiency of sewage and flocculant so that sewage with
Flocculant mixing more uniform, and by motor 7, helical axis 4 and the cooperation of rotating vane 5, it is possible to further to sewage and
Flocculant carries out auger, it is possible to make sewage more fully mix with flocculant at short notice, high degree
On improve sewage and flocculant mixed effect while, it is also possible to avoid the accumulation of impurities contained in sewage when sewage disposal
Cause purifying tube 3 that the phenomenon of blocking occurs in purifying tube 3, can be effectively in sewage by drainage screen 12 and layer net 10
Impurity filters, and reduces the impurity content in sewage, serves sewage primary treatment and purifies, reduces impurity content in sewage
Effect, the incorporation time solving sewage and flocculant is long, and sewage is poor with the mixed effect of flocculant, and when stirring usually
The problem that there will be clogging.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention, revise, replace
And modification, the scope of the present invention be defined by the appended.
Claims (5)
1. the purifier processed at the beginning of sewage, including entering Shui Tai (1), purifying tube (3) and contaminant filter case (11), its feature
It is: the inwall of described water inlet platform (1) connects has auxiliary rabbling mechanism (2), described auxiliary rabbling mechanism (2) to include even block
(23), double wedge (24), side tooth (25), tilt the upper drainage plate (21) installed and lower drainage plate (22), described upper drainage plate (21)
All it is connected with the inwall of water inlet platform (1) by even block (23) with one end of lower drainage plate (22), upper drainage plate (21) and lower drain
The installation position of plate (22) is interlaced, and double wedge (24) is all installed on the surface at upper drainage plate (21) and lower drainage plate (22) top,
The side of described side tooth (25) is connected with the inwall of water inlet platform (1);
The bottom of described water inlet platform (1) is connected with the side at purifying tube (3) top, and the side of described purifying tube (3) bottom sets
Some outlets (9) place connects a layer net (10), and the side of purifying tube (3) bottom is by outlet (9) and contaminant filter case
(11) being connected, the middle part of described contaminant filter case (11) inner chamber is provided with drainage screen (12), and the side of contaminant filter case (11) sets
There are drain pipe (13), the middle part of described purifying tube (3) inner chamber to run through connection and have helical axis (4), the outer surface of described helical axis (4)
Connecting has rotating vane (5), the bottom of described purifying tube (3) to be provided with base plate (6), and the side at described base plate (6) top connects to be had
Motor (7), the power transmission shaft (71) of described motor (7) passes through shaft coupling (8) and helical axis (4) phase stretching out purifying tube (3) side
Socket.
The purifier processed at the beginning of a kind of sewage the most according to claim 1, it is characterised in that: the end of described base plate (6)
Portion connects symmetrical support column (61), and the bottom connection of support column (61) has projection (62).
At the beginning of a kind of sewage the most according to claim 1 process purifier, it is characterised in that: described purifying tube (3) with
It is oblique that the surface of contaminant filter case (11) intracavity bottom is that angle of inclination is between 135 degree to 150 degree
Face, and the inwall of purifying tube (3) is provided with heater (31).
The purifier processed at the beginning of a kind of sewage the most according to claim 1, it is characterised in that: described drainage screen (12)
Cross-sectional shape is M shape structure, and the top and bottom of drainage screen (12) is equipped with and is embedded in contaminant filter case (11) casing
Determine block (121).
The purifier processed at the beginning of a kind of sewage the most according to claim 1, it is characterised in that: described contaminant filter case
(11) bottom is provided with between backing plate (111), and the bottom of the top of backing plate (111) and contaminant filter case (11) and is provided with notch
(112)。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610786159.XA CN106277112A (en) | 2016-08-31 | 2016-08-31 | A kind of purifier processed at the beginning of sewage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610786159.XA CN106277112A (en) | 2016-08-31 | 2016-08-31 | A kind of purifier processed at the beginning of sewage |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106277112A true CN106277112A (en) | 2017-01-04 |
Family
ID=57673883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610786159.XA Pending CN106277112A (en) | 2016-08-31 | 2016-08-31 | A kind of purifier processed at the beginning of sewage |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106277112A (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107485921A (en) * | 2017-08-16 | 2017-12-19 | 江苏韵燕印刷版材有限公司 | A kind of horizontal printing sewage-treatment plant |
CN107583343A (en) * | 2017-10-30 | 2018-01-16 | 贺州市瑞程科技有限公司 | A kind of industrial sewage purification equipment |
CN108101257A (en) * | 2017-12-20 | 2018-06-01 | 珠海智星荟科技服务有限公司 | A kind of decontamination apparatus for industrial waste water purifying |
CN108975591A (en) * | 2018-08-02 | 2018-12-11 | 深圳市南硕明泰科技有限公司 | The fluidized bed adsorption equipment of environmental project pollution control |
CN109231385A (en) * | 2018-08-29 | 2019-01-18 | 玉林市凯政环保科技有限公司 | A kind of flocculation plant handling sewage |
CN110975341A (en) * | 2019-11-29 | 2020-04-10 | 张家港洁利环保科技有限公司 | Iron-containing acidic wastewater integrated treatment device |
CN110975342A (en) * | 2019-11-29 | 2020-04-10 | 张家港洁利环保科技有限公司 | Prevent blockking up processing apparatus of iron-containing acid waste water |
CN112194278A (en) * | 2020-09-04 | 2021-01-08 | 合肥工业大学 | Electroplating sewage treatment device convenient for solid-liquid separation and treatment method thereof |
CN112624442A (en) * | 2021-02-03 | 2021-04-09 | 重庆卓旺科技有限公司 | Chemical industry coking wastewater water resource treatment discharging equipment |
CN113493233A (en) * | 2021-05-31 | 2021-10-12 | 安徽信陆电子科技有限公司 | Purifier for pure water preparation |
CN117550695A (en) * | 2023-12-20 | 2024-02-13 | 张家港普坤毛纺织染有限公司 | Printing and dyeing sewage treatment device with separation function |
-
2016
- 2016-08-31 CN CN201610786159.XA patent/CN106277112A/en active Pending
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107485921A (en) * | 2017-08-16 | 2017-12-19 | 江苏韵燕印刷版材有限公司 | A kind of horizontal printing sewage-treatment plant |
CN107583343A (en) * | 2017-10-30 | 2018-01-16 | 贺州市瑞程科技有限公司 | A kind of industrial sewage purification equipment |
CN108101257A (en) * | 2017-12-20 | 2018-06-01 | 珠海智星荟科技服务有限公司 | A kind of decontamination apparatus for industrial waste water purifying |
CN108101257B (en) * | 2017-12-20 | 2020-08-11 | 珠海智星荟科技服务有限公司 | A scrubbing device for industrial waste water purifies |
CN108975591A (en) * | 2018-08-02 | 2018-12-11 | 深圳市南硕明泰科技有限公司 | The fluidized bed adsorption equipment of environmental project pollution control |
CN109231385A (en) * | 2018-08-29 | 2019-01-18 | 玉林市凯政环保科技有限公司 | A kind of flocculation plant handling sewage |
CN110975342A (en) * | 2019-11-29 | 2020-04-10 | 张家港洁利环保科技有限公司 | Prevent blockking up processing apparatus of iron-containing acid waste water |
CN110975341A (en) * | 2019-11-29 | 2020-04-10 | 张家港洁利环保科技有限公司 | Iron-containing acidic wastewater integrated treatment device |
CN112194278A (en) * | 2020-09-04 | 2021-01-08 | 合肥工业大学 | Electroplating sewage treatment device convenient for solid-liquid separation and treatment method thereof |
CN112624442A (en) * | 2021-02-03 | 2021-04-09 | 重庆卓旺科技有限公司 | Chemical industry coking wastewater water resource treatment discharging equipment |
CN113493233A (en) * | 2021-05-31 | 2021-10-12 | 安徽信陆电子科技有限公司 | Purifier for pure water preparation |
CN117550695A (en) * | 2023-12-20 | 2024-02-13 | 张家港普坤毛纺织染有限公司 | Printing and dyeing sewage treatment device with separation function |
CN117550695B (en) * | 2023-12-20 | 2024-05-17 | 张家港普坤毛纺织染有限公司 | Printing and dyeing sewage treatment device with separation function |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106277112A (en) | A kind of purifier processed at the beginning of sewage | |
CN206486333U (en) | A kind of coagulating sedimentation integrated reactor | |
CN206538270U (en) | A kind of flocculation softening plant of waste water of heat-engine plant processing | |
CN207986771U (en) | A kind of mobile chemicals dosing plant of flocculation aid | |
CN102493545A (en) | Rain sewage retention tank with function of coagulation sedimentation | |
CN105923722A (en) | Precipitated sludge backflow coagulation aiding and re-nucleation clarifying device | |
CN109879484A (en) | A kind of high-efficiency environment friendly sewage treatment recycle unit | |
CN206308223U (en) | A kind of sewage purifying and treating device of municipal wastewater pipe network | |
CN101700914A (en) | Sludge circular flocculation-membrane filtration reactor | |
CN102407037A (en) | Air-water backwash filter and air-water backwash method | |
CN205153105U (en) | Adopt prefabricated pump station of backward flow formula agitator | |
CN209242905U (en) | A kind of petrochemical sludge dehydration treatment equipment | |
CN204550258U (en) | A kind of waste disposal plant | |
CN104261588B (en) | The treatment unit of oil-containing underground water and control method | |
CN206298403U (en) | Integrative water purifying device | |
CN205455419U (en) | Hydrocone type filter equipment and recirculating water aquaculture system | |
CN209612403U (en) | A kind of coal-contained wastewater processing unit of thermoelectricity station-service | |
CN209076232U (en) | A kind of car washer circulating utilization device | |
CN212222592U (en) | Sewage treatment is with subsiding device that insolates | |
CN207129996U (en) | A kind of mobile water body quickly pays off ecological management equipment | |
CN208260332U (en) | A kind of sanitary sewage sedimentation basin | |
CN207551981U (en) | A kind of processing system for enhancing common coagulating sedimentation effect | |
CN208329141U (en) | A kind of environment-friendly type sponge municipal construction rainwater storage device | |
CN205616625U (en) | Sewage treatment jar through improvement | |
CN205917093U (en) | Sewage treatment system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170104 |