CN108585274A - A kind of block-resistant type multiple treatment device of papermaking wastewater - Google Patents
A kind of block-resistant type multiple treatment device of papermaking wastewater Download PDFInfo
- Publication number
- CN108585274A CN108585274A CN201810446610.2A CN201810446610A CN108585274A CN 108585274 A CN108585274 A CN 108585274A CN 201810446610 A CN201810446610 A CN 201810446610A CN 108585274 A CN108585274 A CN 108585274A
- Authority
- CN
- China
- Prior art keywords
- tank body
- water
- process tank
- water process
- block
- 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
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
- C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
Abstract
The invention discloses a kind of block-resistant type multiple treatment devices of papermaking wastewater, including water process tank body, the water process tank body left wall top is connected with just filter chamber, it is connected with strainer between the water process tank body and the just filter chamber, it is connected with buoy on the right side of water process tank body upper end, the water process tank body upper center is provided with motor, the motor output end is connected with agitating shaft, the agitating shaft peripheral solder is provided with promotion paddle, the agitating shaft lower end is connected with stirring rod, water process tank body lower end, which is located in the bearing, is connected with water chamber, the water process tank body and water chamber junction flexible connection are provided with active filters film layer.The present invention is using strainer filtering and by stirring the compound impurities in removing sewage with medicament addition cooperation active filters film layer, and filter type is simple and can avoid blocking, and apparatus structure is simple to be conducive to promote the use of.
Description
Technical field
The present invention relates to a kind of sewage-treatment plant, the block-resistant type multiple treatment device of specifically a kind of papermaking wastewater.
Background technology
China is the country of a water shortage, and sewage disposal and reuse are to develop and use the effective measures of water resource, and sewage returns
Be by municipal sewage, trade effluent by the equipment such as bio-degradation reactions device handle after, use it for greening, rinse, mend
Fill that ornamental water body etc. is non-to drink purpose.In recent years economic development is very fast, and people’s lives level is continuously improved, with city-building
Development, the pollution of resident living water, factory, industrial water is gradually aggravating, very crucial important for the processing of sewage.
In papermaking industry, a large amount of sewage is will produce, wherein being mingled with solid impurity, cotton-shaped impurity and each heavy metal species
Ionic impurity, impurity profiles are complicated, and common water treatment facilities is difficult to handle, and large-scale water treatment system makes small-sized
Paper conversion scene is simultaneously not suitable for.
Existing sewage-treatment plant is much all merely able to solve the problems, such as solid or colloidal impurity in water pollution, even if logical
The compound of precipitation can be reacted by crossing addition medicament and being also merely able to removal some of which, and many heavy metal ion are difficult to remove；
The impurity treatment generated after sewage disposal is difficult, and the efficiency of sewage disposal is relatively poor, and sewage load control is relative complex,
The device that water process is many times carried out by filter type all easy tos produce the problem of filter assemblies block, at general sewage
Reason device easy tos produce failure, thus loses the original intention of processing.
Invention content
The purpose of the present invention is to provide a kind of block-resistant type multiple treatment devices of papermaking wastewater, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the present invention provides the following technical solutions：
A kind of block-resistant type multiple treatment device of papermaking wastewater, including water process tank body, in the water process tank body left wall
Portion is connected with just filter chamber, and strainer is connected between the water process tank body and the just filter chamber, and the just filter chamber is left
Side is connected with water inlet line, and the water inlet line is equipped with valve, and the just filter chamber left lower is connected with manually
Valve, water process tank body upper end right side are connected with buoy, and the buoy upper end round bar periphery is located at the water process
Catch is fixedly installed above tank body, the water process tank body upper center is provided with motor, and the motor output end connection is set
It is equipped with agitating shaft, the agitating shaft peripheral solder is provided with promotion paddle, and the agitating shaft lower end is connected with stirring rod,
Water process tank body upper end, which is located on the left of the motor, is provided with dosing mouth, and the welding of water process tank body lower end is provided with branch
Seat, water process tank body lower end, which is located in the bearing, is connected with water chamber, the water process tank body and the water outlet
The flexible connection of chamber junction is provided with active filters film layer, and the water chamber right end is connected with drainage pipeline.
As a further solution of the present invention：The water process tank body includes process chambers and movable top lid, the processing
Cavity is connected with movable top lid by riveting method movable sealing.
As a further solution of the present invention：The buoy is located in the water treatment tank body, and the buoy is by hollow plastic
Pellet and through water process tank body upper end movable round bar form.
As a further solution of the present invention：The motor housing and water process tank body upper end are welded and fixed, described
Motor output end stretches into the water treatment tank body, and the power cord of the motor is connected with permanent circuit.
As a further solution of the present invention：The promotion paddle is helical metal blade.
As a further solution of the present invention：The stirring rod be two ends being symmetrically welded on the agitating shaft to
Under inclined round metal bars.
As a further solution of the present invention：The active filters film layer by screw-thread fit by being movably connected in the water
It handles the screwed ring of tank body and the water chamber junction and is weldingly fixed on screwed ring upper end on coniform metal mesh
Surface coats reverse osmosis membrane composition.
As a further solution of the present invention：The drainage pipeline extends to the right across the bearing right wall, the draining
Control valve is carried on pipeline.
Compared with prior art, the beneficial effects of the invention are as follows：Used time sewage is entered by water inlet line in first filter chamber, warp
The filtering of filter screen enters in water treatment tank body, and the solid and cotton-shaped impurity in sewage are trapped in initial filter intracavitary by strainer, opens
Manually-operated gate can be cleared up periodically, avoid impurity accumulation from influencing production, can ensure treatment effeciency；Sewage enters at water
Gradually buoy can be driven to move upwards after reason tank body, when water level reaches the limit of in water process tank body, i.e. buoy upper end is upward
After elongation, water inlet is closed, while starting motor and driving promotion paddle and stirring rod to rotate by agitating shaft, is noted by dosing mouth
Enter the medicament of sewage disposal, the impurity in water body reacts under pharmacy effect, and medicament can be promoted by promoting paddle and stirring rod
With water body fusion reaction, while reactant can be promoted to move downward, such setting can improve water body treatment effeciency, avoid
There is impurity residual discharge in water body, avoid generating pollution to the external world；In the impurity precipitation generated when water body processing and water body
Remaining impurity can be retained by active filters film layer, the stirring rod rotation of the structure design cooperation top of active filters film layer,
Turbulent flow can be generated in gap, and blocking influence is generated this makes it possible to avoid impurity from being attached to active filters film layer top face
Filter effect；Apparatus structure is simple, easy to use, is conducive to small-sized papermaking processing site and uses.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the block-resistant type multiple treatment device of papermaking wastewater.
Fig. 2 be a kind of papermaking wastewater block-resistant type multiple treatment device in active filters film layer structural schematic diagram.
In figure：1- water process tank bodies, just filter chamber, 3- strainers, 4- water inlet lines, 5- manually-operated gates, 6- buoys, 61- are kept off 2-
Piece, 7- motors, 8- agitating shafts, 9- promote paddle, 91- stirring rods, 10- dosing mouths, 11- bearings, 12- water chambers, 13- activities
Filter film layer, 14- drainage pipelines.
Specific implementation mode
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 describes, 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.
Please refer to Fig.1~2, in the embodiment of the present invention, a kind of block-resistant type multiple treatment device of papermaking wastewater, including at water
Tank body 1 is managed, the water process tank body 1 includes process chambers and movable top lid, and the process chambers and movable top lid pass through riveting
Mode movable sealing connects, and 1 left wall top of the water process tank body is connected with just filter chamber 2, the water process tank body 1 and institute
Strainer 3 is connected between filter chamber 2 at the beginning of stating, the sewage that the water process tank body 1 is entered in the just filter chamber 2 passes through the filter
The filtering of net 3 can by sewage particle and cotton-shaped contaminant filter, just filter chamber 2 left side be connected with water inlet line
4, the water inlet line 4 is equipped with valve (not shown), and sewage enters the just filter chamber 2 by the water inlet line 4, described first
2 left lower of filter chamber is connected with manually-operated gate 5, fixed when the strainer 3 stays in contaminant filter in the just filter chamber 2
Phase opens the impurity that the manually-operated gate 5 is cleared up in the just filter chamber 2, avoids influencing wastewater treatment efficiency, the water process
Flexible connection is provided with buoy 6 on the right side of 1 upper end of tank body, and the buoy 6 is located in the water process tank body 1, the water treatment tank
When being packed into sewage in body 1, the buoy 6 rises under the action of sewage to prompting water level, and 6 upper end periphery of the buoy is located at
1 top of the water process tank body is fixedly installed catch 61, and the catch 61 can avoid the buoy 6 from falling into the water process
In tank body 1,1 upper center of water process tank body is provided with motor 7,7 shell of the motor and 1 upper end of water process tank body
It is welded and fixed, 7 output end of the motor stretches into the water process tank body 1, and the power cord of the motor 7 is connected with permanent circuit
It connects, 7 output end of the motor is connected with agitating shaft 8, and the rotation of the motor 7 drives the agitating shaft 8 to rotate, the stirring
8 peripheral solder of axis, which is provided with, promotes paddle 9, and the promotion paddle 9 is helical metal blade, the promotion paddle 9
It rotates and sewage can fully be stirred under the drive of the agitating shaft 8,8 lower end of the agitating shaft is connected with stirring rod
91, the stirring rod 91 is the round metal bars that two ends being symmetrically welded on the agitating shaft 8 tilt down, the stirring
Bar 91 can attract impurity in water body to move down when rotating, and 1 upper end of water process tank body is located at 7 left side setting of the motor
There is dosing mouth 10, can be added the medicament of sewage disposal into the water process tank body 1 by the dosing mouth 10, at the water
The welding of 1 lower end of reason tank body is provided with bearing 11, and the bearing 11 can effectively support the water process tank body 1, the water process
1 lower end of tank body, which is located in the bearing 11, is connected with water chamber 12, and by liquid, treated in the water process tank body 1
Pass through the water chamber 12 before sewage discharge, the water process tank body 1 and the flexible connection of 12 junction of the water chamber are provided with
Active filters film layer 13, the active filters film layer 13 by screw-thread fit by being movably connected in the water process tank body 1 and institute
It states the screwed ring of 12 junction of water chamber and is weldingly fixed on screwed ring upper end and coated instead in coniform metal mesh upper surface
Permeable membrane forms, and sewage is after chemicals treatment in the water process tank body 1, wherein a large amount of compounds etc. are heavy by reaction production
It forms sediment, the active filters film layer 13 can be such that water body passes through after water quality reaching standard hydraulic pressure is enough, while the active filters film layer
13 can retain impurity remaining in water body, 91 turns of the stirring rod of the structure design cooperation top of the active filters film layer 13
It is dynamic, turbulent flow can be generated in gap, produced this makes it possible to avoid impurity from being attached to 13 top face of the active filters film layer
Raw block influences filter effect, and 12 right end of the water chamber is connected with drainage pipeline 14, and the drainage pipeline 14 passes through institute
It states 11 right wall of bearing to extend to the right, control valve is carried on the drainage pipeline 14, treated water body can be in the row
It is discharged under the control of waterpipe 14.
The present invention operation principle be：Sewage is entered by water inlet line 4 in first filter chamber 2 when use, the mistake through filter screen 3
Filter enters in water process tank body 1, and the solid and cotton-shaped impurity in sewage are trapped in by strainer 3 in just filter chamber 2, and manually-operated gate is opened
5 can periodically be cleared up, and are avoided impurity accumulation from influencing production, can be ensured treatment effeciency；Sewage enters water process tank body 1
After can gradually drive buoy 6 to move upwards, when water level reaches the limit of in water process tank body 1, i.e. 6 upper end of buoy extends upwards
Afterwards, water inlet is closed, while starting motor 7 and driving promotion paddle 9 and stirring rod 91 to rotate by agitating shaft 8, passes through dosing mouth
10 inject the medicament of sewage disposals, and the impurity in water body reacts under pharmacy effect, and promoting paddle 9 and stirring rod 91 can promote
Into medicament and water body fusion reaction, while reactant can be promoted to move downward, such setting can improve water body processing effect
Rate avoids having impurity residual discharge in water body, avoids generating pollution to the external world；When water body processing the impurity that generates be precipitated and
Remaining impurity can be retained by active filters film layer 13 in water body, and the structure design cooperation top of active filters film layer 13 is stirred
The rotation of bar 91 is mixed, turbulent flow can be generated in gap, 13 top face of active filters film layer is attached to this makes it possible to avoid impurity
And generating to block influences filter effect；Opening drainage pipeline 14 water body handled well can be discharged.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (8)
1. a kind of block-resistant type multiple treatment device of papermaking wastewater, including water process tank body, which is characterized in that the water treatment tank
Body left wall top is connected with just filter chamber, and strainer is connected between the water process tank body and the just filter chamber, described
Water inlet line is connected on the left of first filter chamber, the water inlet line is equipped with valve, and the just filter chamber left lower connection is set
It is equipped with manually-operated gate, is connected with buoy on the right side of water process tank body upper end, the buoy upper end round bar periphery is located at institute
It states and is fixedly installed catch above water process tank body, the water process tank body upper center is provided with motor, the motor output
End is connected with agitating shaft, and the agitating shaft peripheral solder is provided with promotion paddle, the agitating shaft lower end connection setting
There is stirring rod, water process tank body upper end, which is located on the left of the motor, is provided with dosing mouth, the weldering of water process tank body lower end
It connects and is provided with bearing, water process tank body lower end, which is located in the bearing, is connected with water chamber, the water process tank body
Water chamber junction flexible connection is provided with active filters film layer, the water chamber right end is connected with drainpipe
Road.
2. a kind of block-resistant type multiple treatment device of papermaking wastewater according to claim 1, which is characterized in that at the water
It includes process chambers and movable top lid to manage tank body, and the process chambers are connected with movable top lid by riveting method movable sealing.
3. a kind of block-resistant type multiple treatment device of papermaking wastewater according to claim 1, which is characterized in that the buoy
In the water treatment tank body, the buoy is by hollow plastic ball and through the movable round bar group of water process tank body upper end
At.
4. a kind of block-resistant type multiple treatment device of papermaking wastewater according to claim 1, which is characterized in that the motor
Shell and water process tank body upper end are welded and fixed, and the motor output end stretches into the water treatment tank body, the motor
Power cord be connected with permanent circuit.
5. a kind of block-resistant type multiple treatment device of papermaking wastewater according to claim 1, which is characterized in that the promotion
Paddle is helical metal blade.
6. a kind of block-resistant type multiple treatment device of papermaking wastewater according to claim 1, which is characterized in that the stirring
Bar is the round metal bars that two ends being symmetrically welded on the agitating shaft tilt down.
7. a kind of block-resistant type multiple treatment device of papermaking wastewater according to claim 1, which is characterized in that the draining
Pipeline extends to the right across the bearing right wall, and control valve is carried on the drainage pipeline.
8. a kind of block-resistant type multiple treatment device of papermaking wastewater according to claim 1, which is characterized in that the activity
Filtering film layer by be movably connected in by screw-thread fit the water process tank body and the water chamber junction screwed ring and
Screwed ring upper end is weldingly fixed in coniform metal mesh upper surface cladding reverse osmosis membrane composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810446610.2A CN108585274A (en) | 2018-05-11 | 2018-05-11 | A kind of block-resistant type multiple treatment device of papermaking wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810446610.2A CN108585274A (en) | 2018-05-11 | 2018-05-11 | A kind of block-resistant type multiple treatment device of papermaking wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108585274A true CN108585274A (en) | 2018-09-28 |
Family
ID=63636667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810446610.2A Pending CN108585274A (en) | 2018-05-11 | 2018-05-11 | A kind of block-resistant type multiple treatment device of papermaking wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108585274A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258163A (en) * | 2019-07-02 | 2019-09-20 | 蚌埠市海峰印刷有限责任公司 | A kind of pulp purifiation system |
| CN111334413A (en) * | 2020-03-27 | 2020-06-26 | 金凯黎 | Fermentation cylinder for biological new forms of energy |
| CN112172922A (en) * | 2020-10-28 | 2021-01-05 | 安徽开乐专用车辆股份有限公司 | Vertical powder tank semi-trailer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206447625U (en) * | 2017-01-04 | 2017-08-29 | 浙江友通环境科技有限公司 | Wastewater treatment equipment |
| CN107512798A (en) * | 2017-09-11 | 2017-12-26 | 广州林腾生物科技有限公司 | A kind of continuous water treatment facilities of block-resistant type |
-
2018
- 2018-05-11 CN CN201810446610.2A patent/CN108585274A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206447625U (en) * | 2017-01-04 | 2017-08-29 | 浙江友通环境科技有限公司 | Wastewater treatment equipment |
| CN107512798A (en) * | 2017-09-11 | 2017-12-26 | 广州林腾生物科技有限公司 | A kind of continuous water treatment facilities of block-resistant type |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258163A (en) * | 2019-07-02 | 2019-09-20 | 蚌埠市海峰印刷有限责任公司 | A kind of pulp purifiation system |
| CN111334413A (en) * | 2020-03-27 | 2020-06-26 | 金凯黎 | Fermentation cylinder for biological new forms of energy |
| CN112172922A (en) * | 2020-10-28 | 2021-01-05 | 安徽开乐专用车辆股份有限公司 | Vertical powder tank semi-trailer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104150688B (en) | A kind of underground water organic matter fractionation, subregion refining plant and purifying method | |
| CN104150697A (en) | Three-level deep rapid purification device and method for heavy metals in underground water | |
| CN104150698B (en) | A kind of apparatus and method of M type artificial swamp advanced treatment domestic sewage in rural areas | |
| CN108585274A (en) | A kind of block-resistant type multiple treatment device of papermaking wastewater | |
| CN104163544A (en) | Ecological pond effluent deep treatment method and device | |
| CN108097087A (en) | A kind of sewage disposal medicament agitator tank | |
| CN209317208U (en) | A kind of architectural engineering waste-water recovering treater | |
| CN104193077B (en) | A kind of device and method of carrousel oxidation ditch degradation of organic waste water | |
| CN207193058U (en) | A kind of processing equipment of printing ink wastewater | |
| CN204198545U (en) | Sewage purification and reuse fouling fauna wetland device | |
| CN208603894U (en) | A kind of infant industry sewage treatment chemicals dosing plant | |
| CN209507876U (en) | A kind of sewage disposal device | |
| CN107500434A (en) | A kind of sewage-treatment plant and tunnel Waste Water Treatment and method | |
| CN209161709U (en) | A kind of reusing industrial effluent processing equipment | |
| CN104193086B (en) | The apparatus and method of a kind of villages and small towns collective and distributive type sewage fast processing | |
| CN106745966A (en) | A kind of steel wastewater and the device of municipal wastewater mixed regeneration reuse | |
| CN111606457A (en) | Advanced oxidation treatment device and process for landfill leachate concentrated solution | |
| CN104003553B (en) | For the deleading equipment of lead storage battery waste water | |
| CN110272148A (en) | A kind of waste water treatment system of boiler | |
| CN212269720U (en) | Advanced oxidation treatment device for landfill leachate concentrated solution | |
| CN204958670U (en) | Novel wash waste water treatment of water factory device | |
| CN211896324U (en) | Multistage wastewater treatment device | |
| CN203976527U (en) | Deleading equipment for lead storage battery waste water | |
| CN207845381U (en) | A kind of novel sewage-treatment plant | |
| CN113003773A (en) | Industrial wastewater treatment device for power plant and treatment method thereof |
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 |
Application publication date: 20180928 |
|
| RJ01 | Rejection of invention patent application after publication |