CN108083493A - A kind of system and method for reducing waste water cod contents - Google Patents
A kind of system and method for reducing waste water cod contents Download PDFInfo
- Publication number
- CN108083493A CN108083493A CN201711329217.7A CN201711329217A CN108083493A CN 108083493 A CN108083493 A CN 108083493A CN 201711329217 A CN201711329217 A CN 201711329217A CN 108083493 A CN108083493 A CN 108083493A
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- waste water
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- water
- pond
- sedimentation basin
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
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- 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)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of system and method for reducing waste water cod contents, including treatment center of sewage, transhipment conduit controller, primary sedimentation basin, secondary sedimentation tank, sand filter, water inlet, dirty husky outlet, water outlet, decolouring pond, pH value adjustment mechanism, decolorising agent feed mechanism, decolorising agent stocking mechanism, circulation stirring mechanism, filtering ponds, aeration tank, water inlet testing agency, water outlet testing agency, Xun Huan pump group part and feeder.The present invention is reasonable in design, waste water is pre-processed by precipitating twice before waste water is carried out except cod, improve the efficiency of subsequent wastewater treatment, waste water is carried out three times using sand filter, decolouring pond and aeration tank except cod is operated simultaneously, convenient for the removing to cod in waste water to a greater extent, the circulation stirring mechanism inside decolouring pond can greatly increase the efficiency of wastewater treatment, while also improve to decolorising agent utilization rate, reduce processing cost, improve the economic benefit of wastewater treatment.
Description
Technical field
The present invention relates to a kind of system and method for wastewater treatment, be specifically a kind of system for reducing waste water cod contents and
Method belongs to waste water treatment applications technical field.
Background technology
COD COD (ChemicalOxygenDemand) is under certain conditions, using certain Strong oxdiative
When agent handles water sample, the oxidant content that is consumed；It is that a reducing substances index how much in water represented；Reduction in water
Property substance has various organic matters, nitrite, sulfide, ferrous salt etc.；But important is organic matters；Therefore, COD
(COD) and often the index how many as Organic substance in water matter content is weighed；COD is bigger, illustrates water body by organic matter
Pollution it is more serious, the processing to waste water is exactly to reduce waste water COD content.
Traditional waste water treatment system is most to carry out wastewater treatment using single equipment, less efficient, while effect is more
Number unobvious, while some equipment also lack relevant monitoring device, are likely to result in discharge beyond standards waste water.Therefore, for upper
It states problem and proposes a kind of system and method for reducing waste water cod contents.
The content of the invention
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of system for reducing waste water cod contents and side
Method.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of system for reducing waste water cod contents, including dirt
Water treatment centers and the transhipment conduit controller for being connected to treatment center of sewage one side, it is described transhipment conduit controller one end according to
Secondary connection primary sedimentation basin, secondary sedimentation tank, sand filter, decolouring pond and aeration tank, the primary sedimentation basin and secondary sedimentation tank
One end is connected to feeder, and the sand filtration pool surface is equipped with water inlet, water outlet and the dirt for being arranged on sand filter bottom
Sand exports, and pH value adjustment mechanism and decolorising agent feed mechanism, and decolouring pond one side installation decolorising agent are equipped in the decolouring pond
Stocking mechanism is equipped with circulation stirring mechanism inside the decolouring pond, and the decolouring pond is connected to aeration tank by filtering ponds, institute
It states treatment center of sewage and is respectively connected to water inlet testing agency and water outlet testing agency by transporting conduit controller, it is described
Water inlet testing agency and water outlet testing agency are separately positioned on primary sedimentation basin water inlet and aeration tank water outlet, institute
State water outlet testing agency one side connection Xun Huan pump group part.
Preferably, the transhipment conduit controller is electrically connected to the valve on the transport pipeline between each pond body.
Preferably, the primary sedimentation basin is unidirectionally connected to secondary sedimentation tank, and primary sedimentation basin and secondary sedimentation tank connect
The feeder connect is preferably a kind of conveyer belt feeder.
Preferably, the circulation stirring mechanism is made of stent and rabbling mechanism, and the stent is different by two diameters
The cylindrical shell that filter opening is distributed in surface is formed, wherein the housing being relatively large in diameter is fixed on decolouring pond bottom, and is relatively large in diameter shell
Internal portion's installation rabbling mechanism, the wherein smaller housing of diameter are co-axially mounted with being relatively large in diameter housing, and diameter compared with small shell and
Be relatively large in diameter housing cavity connection, the diameter communicates compared with the both sides of the face of small shell axial direction, the rabbling mechanism by motor with
And the impeller on motor output end is formed.
Preferably, the decolorising agent stocking mechanism main body for can sunshade greenhouse, the efficient decolorizing wadding inside the greenhouse
Solidifying agent liquid is packed using 50kg plastic barrels, and solid uses 25kg plastic bag packagings.
Further include a kind of method for reducing waste water cod contents：
Step 1：Under the control for the treatment of center of sewage by transport conduit controller by pending waste water transport fortune according to
Secondary be transported in primary sedimentation basin and secondary sedimentation tank is precipitated twice, and waste water is transported to during primary sedimentation basin and examined by water inlet
Survey mechanism preliminary cod carried out to water quality and detect, the data of detection are uploaded in treatment center of sewage, by primary sedimentation basin and
When secondary sedimentation tank carries out the precipitation of waste water, polyacrylamide is put into primary sedimentation basin and secondary sedimentation tank by feeder
Amine；
Step 2：Sewage after being precipitated by primary sedimentation basin and secondary sedimentation tank is transported to sand filter, and waste water is by intaking
Mouth is into sand filter, and from the water outlet outflow on sand filter, natural siliceous sand, manganese sand and nothing can be used in the sand bed inside sand filter
Bituminous coal is as filter medium.
Step 3：Waste material after sand filter treats is flow in decolouring pond, is adjusted by pH value adjustment mechanism in decolouring pond
The acid-base value of portion's environment, takes out corresponding decolorising agent from decolorising agent stocking mechanism, and decolorising agent of the invention is preferably efficiently de-
Color flocculant, high-efficient decolorizing flocculant are smaller by diameter in the circulation stirring mechanism in decolorising agent feed mechanism input decolouring pond
The end of housing, by diameter compared with small shell disperse to being relatively large in diameter in housing cavity and decolouring pond inner cavity, motor is with movable vane
Wheel rotates, and the water for being relatively large in diameter casing surroundings sucking is relatively large in diameter after housing and is discharged by diameter compared with small shell and filter opening, is made
The current of multiply different directions are generated inside decolouring pond, improve the contacting efficiency of waste water and decolorising agent.
Step 4：Waste water by decolouring pond decoloration is flowed into after being filtered by filtering ponds in aeration tank, is passed through into aeration tank
Ozone progress is secondary to go colourity, is discharged behind the water outflow aeration tank after treating after the detection of water outlet testing agency is qualified, if
It is that testing result is unqualified, then is transported again by cycling pump group part by waste water to handling again inside aeration tank, until detection
As a result it is qualified.
The beneficial effects of the invention are as follows：The present invention it is reasonable in design, function is more perfect, carry out waste water except cod it
It is preceding that waste water is pre-processed by precipitating twice, the efficiency of subsequent wastewater treatment is improved, while utilizes sand filter, decolouring pond
Waste water is carried out three times except cod is operated, convenient for the removing to cod in waste water to a greater extent, in decolouring pond with aeration tank
The circulation stirring mechanism in portion can greatly increase the efficiency of wastewater treatment, while also improve to decolorising agent utilization rate, reduce
Processing cost improves the economic benefit of wastewater treatment.
Description of the drawings
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is circulation stirring mechanism structure schematic diagram of the present invention.
In figure：1st, treatment center of sewage, 2, transhipment conduit controller, 3, primary sedimentation basin, 4, secondary sedimentation tank, 5, sand filtration
Pond, 51, water inlet, 52, dirty husky outlet, 53, water outlet, 6, decolouring pond, 7, pH value adjustment mechanism, 8, decolorising agent feed mechanism,
9th, decolorising agent stocking mechanism, 10, circulation stirring mechanism, 11, filtering ponds, 12, aeration tank, 13, water inlet testing agency, 14, go out
Mouth of a river testing agency, 15, cycle pump group part, 16, feeder.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
Please refer to Fig.1 shown in -2, a kind of system and method for reducing waste water cod contents, including treatment center of sewage 1 and
The transhipment conduit controller 2 of 1 one side for the treatment of center of sewage is connected to, 2 one end of the transhipment conduit controller is sequentially connected once
Sedimentation basin 3, secondary sedimentation tank 4, sand filter 5, decolouring pond 6 and aeration tank 12, the primary sedimentation basin 3 and secondary sedimentation tank 4 one
End is connected to feeder 16, and related agents, the sand are put into primary sedimentation basin 3 and secondary sedimentation tank 4 by feeder 16
5 surface of filter tank is equipped with water inlet 51, water outlet 53 and the husky outlet 52 of dirt for being arranged on 5 bottom of sand filter, husky in sand filter 5
Dirt sand in bed exports 52 discharges by dirty sand, and pH value adjustment mechanism 7 and decolorising agent feed mechanism 8 are equipped in the decolouring pond 6,
PH value adjustment mechanism 7 carries out pH value by putting into the alkaline matters such as NaHCO3, Na2CO3, NaOH, lime to the inside of decolouring pond 6
It adjusts, and decolorising agent stocking mechanism 9 is installed in 6 one side of decolouring pond, and circulation stirring mechanism 10, institute are equipped with inside the decolouring pond 6
It states decolouring pond 6 and is connected to aeration tank 12 by filtering ponds 11, the treatment center of sewage 1 is distinguished by transporting conduit controller 2
It is connected to water inlet testing agency 13 and water outlet testing agency 14, the water inlet testing agency 13 and water outlet testing agency
14 are separately positioned on 12 water outlet of 3 water inlet of primary sedimentation basin and aeration tank, and 14 one side of water outlet testing agency connects
Connect Xun Huan pump group part 15.
As a kind of technical optimization scheme of the present invention, the transhipment conduit controller 2 is electrically connected between each pond body
Transport pipeline on valve, convenient for sequence of flow of the control waste water between each pond body.
As a kind of technical optimization scheme of the present invention, the primary sedimentation basin 3 is unidirectionally connected to secondary sedimentation tank 4, and
The feeder 16 that primary sedimentation basin 3 and secondary sedimentation tank 4 connect is preferably a kind of conveyer belt feeder, is easy to implement the one of waste water
Secondary precipitation and secondary precipitation.
As a kind of technical optimization scheme of the present invention, the circulation stirring mechanism 10 is made of stent and rabbling mechanism,
The stent is made of the cylindrical shell that filter opening is distributed in two different surfaces of diameter, wherein the housing being relatively large in diameter is fixed on
6 bottom of decolouring pond, and enclosure interior installation rabbling mechanism is relatively large in diameter, the wherein smaller housing of diameter is same with being relatively large in diameter housing
Axis is installed, and diameter is connected compared with small shell with being relatively large in diameter housing cavity, and the diameter is compared with the both sides of the face phase of small shell axial direction
Logical, the rabbling mechanism is made of motor and the impeller on motor output end, improves the efficiency of decoloration.
As the present invention a kind of technical optimization scheme, 9 main body of decolorising agent stocking mechanism for can sunshade greenhouse, institute
It states the high-efficient decolorizing flocculant liquid inside greenhouse to pack using 50kg plastic barrels, solid uses 25kg plastic bag packagings, decoloration
Agent stocking mechanism 9 is arranged on 6 one side of decolouring pond, convenient for the dispensing of decolorising agent.
Further include a kind of System Utilization Procedure for reducing waste water cod contents：
Step 1：Under the control for the treatment of center of sewage by transport conduit controller by pending waste water transport fortune according to
Secondary be transported in primary sedimentation basin and secondary sedimentation tank is precipitated twice, and waste water is transported to during primary sedimentation basin and examined by water inlet
Survey mechanism preliminary cod carried out to water quality and detect, the data of detection are uploaded in treatment center of sewage, by primary sedimentation basin and
When secondary sedimentation tank carries out the precipitation of waste water, polyacrylamide is put into primary sedimentation basin and secondary sedimentation tank by feeder
Amine；
Step 2：Sewage after being precipitated by primary sedimentation basin and secondary sedimentation tank is transported to sand filter, and waste water is by intaking
Mouth is into sand filter, and from the water outlet outflow on sand filter, natural siliceous sand, manganese sand and nothing can be used in the sand bed inside sand filter
Bituminous coal is as filter medium.
Step 3：Waste material after sand filter treats is flow in decolouring pond, is adjusted by pH value adjustment mechanism in decolouring pond
The acid-base value of portion's environment, takes out corresponding decolorising agent from decolorising agent stocking mechanism, and decolorising agent of the invention is preferably efficiently de-
Color flocculant, high-efficient decolorizing flocculant are smaller by diameter in the circulation stirring mechanism in decolorising agent feed mechanism input decolouring pond
The end of housing, by diameter compared with small shell disperse to being relatively large in diameter in housing cavity and decolouring pond inner cavity, motor is with movable vane
Wheel rotates, and the water for being relatively large in diameter casing surroundings sucking is relatively large in diameter after housing and is discharged by diameter compared with small shell and filter opening, is made
The current of multiply different directions are generated inside decolouring pond, improve the contacting efficiency of waste water and decolorising agent.
Step 4：Waste water by decolouring pond decoloration is flowed into after being filtered by filtering ponds in aeration tank, is passed through into aeration tank
Ozone progress is secondary to go colourity, is discharged behind the water outflow aeration tank after treating after the detection of water outlet testing agency is qualified, if
It is that testing result is unqualified, then is transported again by cycling pump group part by waste water to handling again inside aeration tank, until detection
As a result it is qualified.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned exemplary embodiment, 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 requirement rather than above description limit, it is intended that all in the meaning and scope obtained with important document of claim by falling
Variation is included within the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated 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
Using specification as an entirety, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
1. a kind of system for reducing waste water cod contents, including treatment center of sewage (1) and is connected to treatment center of sewage (1)
The transhipment conduit controller (2) of one side, it is characterised in that：Described transhipment conduit controller (2) one end is sequentially connected primary sedimentation
Pond (3), secondary sedimentation tank (4), sand filter (5), decolouring pond (6) and aeration tank (12), the primary sedimentation basin (3) and secondary heavy
Shallow lake pond (4) one end is connected to feeder (16), sand filter (5) surface be equipped with water inlet (51), water outlet (53) with
And the husky outlet (52) of dirt of sand filter (5) bottom is arranged on, pH value adjustment mechanism (7) is installed on the decolouring pond (6) and is taken off
Toner feed mechanism (8), and decolouring pond (6) one side installation decolorising agent stocking mechanism (9), the decolouring pond (6) is internal to be equipped with
Circulation stirring mechanism (10), the decolouring pond (6) are connected to aeration tank (12), the treatment center of sewage by filtering ponds (11)
(1) water inlet testing agency (13) and water outlet testing agency (14) are respectively connected to by transporting conduit controller (2), it is described
Water inlet testing agency (13) and water outlet testing agency (14) are separately positioned on primary sedimentation basin (3) water inlet and aeration tank
(12) water outlet, water outlet testing agency (14) the one side connection Xun Huan pump group part (15).
2. a kind of system for reducing waste water cod contents according to claim 1, it is characterised in that：The transhipment pipeline control
Device (2) processed is electrically connected to the valve on the transport pipeline between each pond body.
3. a kind of system for reducing waste water cod contents according to claim 1, it is characterised in that：The primary sedimentation basin
(3) secondary sedimentation tank (4) is unidirectionally connected to, and primary sedimentation basin (3) and the feeder (16) of secondary sedimentation tank (4) connection are preferred
For a kind of conveyer belt feeder.
4. a kind of system for reducing waste water cod contents according to claim 1, it is characterised in that：The circulation stirring machine
Structure (10) is made of stent and rabbling mechanism, and the cylindrical shell structure of filter opening is distributed with by two different surfaces of diameter for the stent
Into, wherein the housing being relatively large in diameter is fixed on decolouring pond (6) bottom, and is relatively large in diameter enclosure interior installation rabbling mechanism, wherein
The smaller housing of diameter is co-axially mounted with being relatively large in diameter housing, and diameter is connected compared with small shell with being relatively large in diameter housing cavity, institute
The both sides of the face that diameter is stated compared with small shell axial direction communicate, and the rabbling mechanism is by motor and the leaf on motor output end
Wheel is formed.
5. a kind of system for reducing waste water cod contents according to claim 1, it is characterised in that：The decolorising agent storage
Mechanism (9) main body for can sunshade greenhouse, high-efficient decolorizing flocculant liquid inside the greenhouse using 50kg plastic barrels packaging,
Solid uses 25kg plastic bag packagings.
6. a kind of System Utilization Procedure of reduction waste water cod contents according to claim 1-5, it is characterised in that：
Step 1：Pending waste water transport fortune is transported successively by transporting conduit controller under the control for the treatment of center of sewage
Precipitated twice into primary sedimentation basin and secondary sedimentation tank, waste water transport to during primary sedimentation basin by water inlet detection machine
Structure carries out preliminary cod to water quality and detects, and the data of detection are uploaded in treatment center of sewage, by primary sedimentation basin and secondary
When sedimentation basin carries out the precipitation of waste water, polyacrylamide is put into primary sedimentation basin and secondary sedimentation tank by feeder；
Step 2：Sewage after being precipitated by primary sedimentation basin and secondary sedimentation tank is transported to sand filter, waste water by water inlet into
Enter sand filter, from the water outlet outflow on sand filter, natural siliceous sand, manganese sand and anthracite can be used in the sand bed inside sand filter
As filter medium；
Step 3：Waste material after sand filter treats is flow in decolouring pond, and decolouring pond inner loop is adjusted by pH value adjustment mechanism
The acid-base value in border, takes out corresponding decolorising agent from decolorising agent stocking mechanism, and decolorising agent of the invention is preferably efficient decolorizing wadding
Solidifying agent, high-efficient decolorizing flocculant is by diameter in the circulation stirring mechanism in decolorising agent feed mechanism input decolouring pond compared with small shell
End, by diameter compared with small shell disperse to being relatively large in diameter in housing cavity and decolouring pond inner cavity, motor impeller turns
It is dynamic, the water for being relatively large in diameter casing surroundings sucking is relatively large in diameter after housing and is discharged by diameter compared with small shell and filter opening, makes decoloration
The current of multiply different directions are generated inside pond, improve the contacting efficiency of waste water and decolorising agent；
Step 4：Waste water by decolouring pond decoloration is flowed into after being filtered by filtering ponds in aeration tank, and ozone is passed through into aeration tank
Carry out it is secondary go colourity, it is treated after water outflow aeration tank after discharged after the detection of water outlet testing agency is qualified, if inspection
It is unqualified to survey result, then is transported again by cycling pump group part by waste water to handling again inside aeration tank, until testing result
It is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711329217.7A CN108083493B (en) | 2017-12-13 | 2017-12-13 | System and method for reducing cod content of wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711329217.7A CN108083493B (en) | 2017-12-13 | 2017-12-13 | System and method for reducing cod content of wastewater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108083493A true CN108083493A (en) | 2018-05-29 |
| CN108083493B CN108083493B (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711329217.7A Active CN108083493B (en) | 2017-12-13 | 2017-12-13 | System and method for reducing cod content of wastewater |
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| CN103771623A (en) * | 2014-01-20 | 2014-05-07 | 南通华新环保设备工程有限公司 | Pretreatment process of dyed wastewater |
| CN205556263U (en) * | 2016-03-16 | 2016-09-07 | 杭州道盈信息科技有限公司 | Waste water purifying and processing device |
| CN106542701A (en) * | 2016-11-25 | 2017-03-29 | 中冶华天南京工程技术有限公司 | For the method for purifying water in river course |
| CN206204118U (en) * | 2016-11-25 | 2017-05-31 | 中冶华天工程技术有限公司 | For the processing system of black and odorous water |
-
2017
- 2017-12-13 CN CN201711329217.7A patent/CN108083493B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4659463A (en) * | 1984-10-10 | 1987-04-21 | Water Soft, Inc. | System to remove contaminants from water |
| JP2004344807A (en) * | 2003-05-23 | 2004-12-09 | Fuji Photo Film Co Ltd | Method for treating photographic waste solution |
| CN201400631Y (en) * | 2009-04-24 | 2010-02-10 | 杭州恒达环保实业有限公司 | Plastic cleaning wastewater treatment system |
| CN103771623A (en) * | 2014-01-20 | 2014-05-07 | 南通华新环保设备工程有限公司 | Pretreatment process of dyed wastewater |
| CN205556263U (en) * | 2016-03-16 | 2016-09-07 | 杭州道盈信息科技有限公司 | Waste water purifying and processing device |
| CN106542701A (en) * | 2016-11-25 | 2017-03-29 | 中冶华天南京工程技术有限公司 | For the method for purifying water in river course |
| CN206204118U (en) * | 2016-11-25 | 2017-05-31 | 中冶华天工程技术有限公司 | For the processing system of black and odorous water |
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| Publication number | Publication date |
|---|---|
| CN108083493B (en) | 2021-01-05 |
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Effective date of registration: 20210326 Address after: Room 306-14, block B, building 1, No.268 Shiniu Road, nanmingshan street, Liandu District, Lishui City, Zhejiang Province 323000 Patentee after: Zhejiang shangfengyun Environmental Protection Technology Co.,Ltd. Address before: 323000 no.330, Chengda street, nanmingshan street, Liandu District, Lishui City, Zhejiang Province Patentee before: ZHEJIANG LITUO ENVIRONMENTAL PROTECTION ENGINEERING Co.,Ltd. |
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