CN207375888U - waste water desalting system - Google Patents
waste water desalting system Download PDFInfo
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- CN207375888U CN207375888U CN201721172388.9U CN201721172388U CN207375888U CN 207375888 U CN207375888 U CN 207375888U CN 201721172388 U CN201721172388 U CN 201721172388U CN 207375888 U CN207375888 U CN 207375888U
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- waste water
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- evaporation
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Abstract
The utility model belongs to technical field of waste water processing, specifically disclose a kind of waste water desalting system, include waste water reservoir successively from front to back, for adjusting the PH regulating reservoirs of waste water pH value, waste water is made to generate the coagulating basin of flock with reagent reacting, sedimentation basin, intermediate regulations pond are concentrated by evaporation unit and biochemical regulating reservoir；Waste water energy is from waste water reservoir followed by PH regulating reservoirs, coagulating basin, sedimentation basin, intermediate regulations pond, evaporation and concentration unit and biochemical regulating reservoir；The unit that is concentrated by evaporation includes making the salinity in waste water to be in the MVR evaporation concentration devices that crystal is precipitated.Using this waste water desalting system, the salinity in high-salt wastewater can be effectively removed, waste water is made to meet discharge standard.
Description
Technical field
The utility model belongs to technical field of waste water processing more particularly to a kind of waste water desalting system.
Background technology
Can generate many hazardous wastes during industrial production, for example, etching liquid, copper-contained sludge, nickel-containing sludge,
Electronickelling is given up tank liquor etc., these hazardous wastes cannot be discharged directly, must be through particular procedure.To the process of these dangerous substances processing
In can generate substantial amounts of waste water, containing substances such as substantial amounts of sulfate, nitrate in waste water, there are many salinity in waste water, salt content
40-50% can be up to.Without processing, the waste water of high salinity is largely discharged, the raising of river water quality salinity can be directly resulted in, given
Soil, surface water, underground water bring increasingly severe pollution, jeopardize ecological environment.It therefore will be through before high-salt wastewater discharge
It crosses except salt treatment, could be discharged after water quality detection qualification.
Utility model content
The purpose of this utility model is providing a kind of waste water desalting system, can effectively remove the salinity in high-salt wastewater,
Waste water is made to meet discharge standard.
In order to achieve the above object, the base case of the utility model is：Waste water desalting system, includes successively from front to back
Waste water reservoir for adjusting the PH regulating reservoirs of waste water pH value, makes waste water generate the coagulating basin of flock, precipitation with reagent reacting
Pond, intermediate regulations pond are concentrated by evaporation unit and biochemical regulating reservoir；Waste water energy is from waste water reservoir followed by PH regulating reservoirs, coagulation
Pond, sedimentation basin, intermediate regulations pond, evaporation and concentration unit and biochemical regulating reservoir；The evaporation and concentration unit includes making in waste water
Salinity is in the MVR evaporation concentration devices that crystal is precipitated.
The operation principle of this base case is：The high-salt wastewater of desalination will be treated first（Sodium sulfate wastewater）It collects into useless
Water reservoir carries out homogeneous and measures；Then waste water is made to enter pH regulating reservoirs, the pH value of waste water is adjusted to the scope of needs.Waste water is certainly
Coagulating basin is flowed into, the reagents such as waste water and quantitative PAC, PAM carry out coagulation, flocculation, and production is convenient for precipitating separated flock；Wadding
Waste water after solidifying flows into sedimentation basin and carries out separation of solid and liquid, and flock sinks to bottom of pond since proportion overweights water, and supernatant is flowed into and given up
Water intermediate regulations pond.Supernatant, which finally enters, is concentrated by evaporation unit progress desalination, and MVR evaporation concentration devices make the salinity in waste water
It is precipitated in crystal, enters biochemical regulating reservoir in the condensed water that evaporation process generates.
The advantageous effect of this base case is：
1st, desalination is carried out to high-salt wastewater using the system, efficient, treating capacity is big, of less demanding to water quality treatment.
2nd, desalination is carried out using the system, the salinity in waste water, significant effect can be effectively reduced by single treatment.
Further, the elevator pump that waste water is transferred to PH regulating reservoirs from waste water reservoir is further included.It, can by operating elevator pump
Waste water is transferred to from waste water reservoir in PH regulating reservoirs, realizes the transfer of waste water.
Further, the coagulating basin includes the first coagulating basin and the second coagulating basin.First coagulating basin and the second coagulating basin are equal
For carrying out settlement treatment to the impurity in waste water, can effectively be reduced containing for useless impurities in water by settlement treatment twice
Amount.
Further, the PH regulating reservoirs, the first coagulating basin, the second coagulating basin, sedimentation basin and intermediate regulations pond are mutually leaned on successively
And height reduces successively, PH regulating reservoirs, the first coagulating basin, the same upper lateral part of the second coagulating basin and sedimentation basin are provided with discharge outlet.
When PH regulating reservoirs, the first coagulating basin, the second coagulating basin are when the waste water position in ponds is higher than discharge outlet, waste water energy passes through discharge outlet
It flows down into next neighbouring pond, using gravity waste water is made to realize automatic trickling, without the use of additional equipment, effectively
Save resource.
Further, further include and the solid-liquid in sedimentation basin is subjected to separated sludge press filtration device, sludge press filtration device includes
Hydraulic cylinder and the filter press plate being connected with hydraulic cylinder piston rod, the bottom surface of filter press plate are equipped with strainer；The filter press plate can be along sedimentation basin
It is up and down, be provided with multiple through holes on filter press plate, through hole be equipped with can only one side opening upwards unilateral gate.Waste water in sedimentation basin
Solid impurity content is more, in order to ensure into being concentrated by evaporation the waste water of unit without extra solid impurity, must to waste water into
Row press filtration is handled.Hydraulic cylinder is operated, makes hydraulic cylinder that filter press plate be driven to be moved downward along sedimentation basin, filter press plate is squeezed in sedimentation basin
Waste water, during filter press plate squeezes waste water, unilateral gate is opened, and waste water is transferred to the top of filter press plate by unilateral gate.
When filter press plate touches the solid impurity for being deposited on sedimentation basin bottom, filter press plate squeezes solid impurity, and due to filter
The setting of net avoids the top that impurity in extrusion process is transferred to filter press plate by through hole.After the completion of press filtration, hydraulic pressure is operated
Cylinder makes hydraulic cylinder that filter press plate be driven to move upwards, and unilateral gate is closed at this time, and filter press plate promotes the waste water above filter press plate to transport upwards
Dynamic, in this process, waste water gradually passes through discharge outlet and flows into intermediate regulations pond, and the solid and liquid in sedimentation basin are divided
From.
Description of the drawings
Fig. 1 is the structure diagram of the utility model waste water desalting system embodiment 1；
Fig. 2 is the structure diagram of mud filter-pressing device in the utility model waste water desalting system embodiment 2.
Specific embodiment
The utility model is described in further detail below by specific embodiment：
Reference numeral in Figure of description includes：Waste water reservoir 1, PH regulating reservoirs 2, the first coagulating basin 3, the second coagulating basin
4th, sedimentation basin 5, intermediate regulations pond 6, evaporation and concentration unit 7, biochemical regulating reservoir 8, discharge outlet 9, elevator pump 10, hydraulic cylinder 11, pressure
Filter plate 12, unilateral gate 13, through hole 14, strainer 15.
Embodiment 1
As shown in Figure 1, waste water desalting system, include waste water reservoir 1, PH regulating reservoirs 2, coagulating basin, heavy successively from front to back
Shallow lake pond 5, intermediate regulations pond 6 are concentrated by evaporation unit 7 and biochemical regulating reservoir 8, and waste water energy is adjusted from waste water reservoir 1 followed by PH
Pond 2, coagulating basin, sedimentation basin 5 and intermediate regulations pond 6.Elevator pump 10 is connected between waste water reservoir 1 and PH regulating reservoirs 2, is started
Elevator pump 10 can make waste water be transferred to PH regulating reservoirs 2 from waste water reservoir 1.PH regulating reservoirs 2 are waste water for adjusting waste water pH value
It is further processed and is ready.Coagulating basin includes the first coagulating basin 3 and the second coagulating basin 4, and reagent is utilized in the first coagulating basin 3
Waste water is made to generate precipitation, and makes the precipitation that previous reaction generates in the second coagulating basin 4 in larger cotton-shaped convenient for precipitation separation
Body.Being concentrated by evaporation unit 7 includes MVR evaporation concentration devices, and MVR evaporation concentration devices can directly buy acquisition from the market, I
Company uses the evaporation concentration device for the model 1-20T/HMVR for being the production of Nanjing Tai Te companies, starts MVR and is concentrated by evaporation
Device can be such that the salinity in waste water is precipitated in crystal.PH regulating reservoirs 2, the first coagulating basin 3, the second coagulating basin 4, sedimentation basin 5 and in
Between regulating reservoir 6 mutually lean on successively and height reduces successively, PH regulating reservoirs 2, the first coagulating basin 3, the second coagulating basin 4 and sedimentation basin 5
Same upper lateral part is provided with discharge outlet 9.When the waste water position in the ponds such as PH regulating reservoirs 2, the first coagulating basin 3, the second coagulating basin 4 is high
When discharge outlet 9, waste water energy is flowed down by discharge outlet 9 in next neighbouring pond.
Illustrate the use of waste water desalting system exemplified by handling sodium sulfate wastewater below：
Sodium sulfate wastewater collection is carried out homogeneous into waste water reservoir 1 first to measure, waste water is then made by elevator pump 10
Into pH regulating reservoirs, add a certain amount of liquid caustic soda and adjust pH most 6-8, waste water then from flow into the first coagulating basin 3 with it is quantitative
Sodium sulfide solution carries out sulfide precipitation reaction.Flow automatically after waste water and mixed by the second coagulating basin 4 with quantitative PAC, PAM
Solidifying, flocculation makes the precipitation that previous reaction generates in larger convenient for precipitation separation flock.Waste water after flocculation flows into sedimentation basin
5 carry out separation of solid and liquid, and flock sinks to bottom of pond since proportion overweights water, and sludge press filtration device carries out sludge press filtration, and supernatant
Liquid stream enters intermediate regulations pond 6, finally enters and is concentrated by evaporation unit 7.The MVR evaporation concentration devices of unit 7 are concentrated by evaporation to waste water
Desalination is carried out, the sodium sulphate in waste water is made to be precipitated in crystal, and the condensed water generated in evaporation process enters biochemical regulating reservoir 8.
By above-mentioned processing, the salinity in waste water can be effectively removed, the salt content of waste water is made to meet the requirements.
Illustrate the use of waste water desalting system exemplified by handling calcium nitrate waste water below：
It calcium nitrate wastewater collection is entered into waste water reservoir 1 first carries out homogeneous and measure, waste water is then made by elevator pump 10
Pond is adjusted into pH, a certain amount of calcium oxide solution is added and adjusts pH most 6-8.Waste water then from flow into the first coagulating basin 3 with
Quantitative PAC carries out coagulating, afterwards from the second coagulating basin 4 and quantitative PAM progress coagulation, flocculation is flowed into, makes foregoing anti-
The precipitation that should be generated is in larger convenient for precipitation separation flock.Waste water after flocculation flows into sedimentation basin 5 and carries out separation of solid and liquid, wadding
Shape body is since proportion is overweighted after water sinks to bottom of pond, and sludge press filtration device carries out sludge press filtration, and supernatant flows into intermediate regulations
Pond 6 finally enters and is concentrated by evaporation unit 7.MVR evaporation concentration devices carry out desalination to waste water, make the calcium nitrate in waste water in crystalline substance
Body is precipitated, and the condensed water generated in evaporation process enters biochemical regulating reservoir 8.By above-mentioned processing, waste water can be effectively removed
In salinity, the salt content of waste water is made to meet the requirements.
Embodiment 2
Embodiment 2 and embodiment 1 difference lies in：If Fig. 2 shows, waste water desalting system further includes sludge press filtration device, should
Sludge press filtration device is used to separate the solid-liquid in sedimentation basin 5.Sludge press filtration device includes hydraulic cylinder 11 and and hydraulic cylinder
The filter press plate 12 of 11 piston rods connection, filter press plate 12 can be up and down along sedimentation basin 5 under the driving of hydraulic cylinder 11.Filter press plate 12
Bottom surface be equipped with strainer 15, be provided with multiple through holes 14 on filter press plate 12, through hole 14 be equipped with can only one side opening upwards it is unidirectional
Door 13.When being separated to the solid-liquid in sedimentation basin 5, make hydraulic cylinder 11 that filter press plate 12 be driven to be moved downward along sedimentation basin 5, press
Filter plate 12 squeezes the waste water in sedimentation basin 5, and unilateral gate 13 is opened, and waste water is transferred to the top of filter press plate 12 by unilateral gate 13.
When filter press plate 12 touches the solid impurity for being deposited on 5 bottom of sedimentation basin, filter press plate 12 squeezes solid impurity, and by
In the setting of strainer 15, the top that impurity in extrusion process is transferred to filter press plate 12 by through hole 14 is avoided.After the completion of press filtration,
Make hydraulic cylinder 11 that filter press plate 12 be driven to move upwards, unilateral gate 13 is closed at this time, and filter press plate 12 promotes the useless of 12 top of filter press plate
Water moves upwards, and in this process, waste water gradually passes through discharge outlet 9 and flows into intermediate regulations pond 6, solid in sedimentation basin 5 and
Liquid is separated.
Above-described is only the embodiment of the utility model, and the common sense such as well known concrete structure and characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, the premise of the utility model structure is not being departed from
Under, several modifications and improvements can also be made, these should also be considered as the scope of protection of the utility model, these are not all interfered with
The effect and practical applicability that the utility model is implemented.This application claims protection domain should be with the content of its claim
Subject to, the records such as specific embodiment in specification can be used for the content for explaining claim.
Claims (5)
1. waste water desalting system, which is characterized in that include waste water reservoir successively from front to back, for adjusting the PH tune of waste water pH value
Pond is saved, waste water is made to generate coagulating basin, sedimentation basin, intermediate regulations pond, evaporation and concentration unit and the biochemistry of flock with reagent reacting
Regulating reservoir；Waste water energy is from waste water reservoir followed by PH regulating reservoirs, coagulating basin, sedimentation basin, intermediate regulations pond, evaporation and concentration unit
With biochemical regulating reservoir；The unit that is concentrated by evaporation includes making the salinity in waste water to be in the MVR evaporation concentration devices that crystal is precipitated.
2. waste water desalting system as described in claim 1, which is characterized in that further include and waste water is transferred to PH from waste water reservoir
The elevator pump of regulating reservoir.
3. waste water desalting system as described in claim 1, which is characterized in that the coagulating basin includes the first coagulating basin and second
Coagulating basin.
4. waste water desalting system as claimed in claim 3, which is characterized in that the PH regulating reservoirs, the first coagulating basin, second mix
Solidifying pond, sedimentation basin are mutually leaned on successively with intermediate regulations pond and height reduces successively, PH regulating reservoirs, the first coagulating basin, the second coagulating basin
Discharge outlet is provided with the same upper lateral part of sedimentation basin.
5. waste water desalting system as claimed in claim 4, which is characterized in that further include and separate the solid-liquid in sedimentation basin
Sludge press filtration device, sludge press filtration device includes hydraulic cylinder and the filter press plate that is connected with hydraulic cylinder piston rod, the bottom of filter press plate
Face is equipped with strainer；The filter press plate can be up and down along sedimentation basin, is provided with multiple through holes on filter press plate, and through hole is equipped with can only be to
The unilateral gate that upper one side is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721172388.9U CN207375888U (en) | 2017-09-13 | 2017-09-13 | waste water desalting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721172388.9U CN207375888U (en) | 2017-09-13 | 2017-09-13 | waste water desalting system |
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| Publication Number | Publication Date |
|---|---|
| CN207375888U true CN207375888U (en) | 2018-05-18 |
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ID=62340779
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721172388.9U Active CN207375888U (en) | 2017-09-13 | 2017-09-13 | waste water desalting system |
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| CN (1) | CN207375888U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109734234A (en) * | 2019-02-22 | 2019-05-10 | 江苏和顺环保有限公司 | A kind of processing unit of copper-containing wastewater |
| CN111196664A (en) * | 2020-01-16 | 2020-05-26 | 广东晟鑫环保科技有限公司 | Wastewater desalting treatment method based on advanced treatment |
| CN116621397A (en) * | 2023-07-24 | 2023-08-22 | 长沙潇水环保科技有限公司 | Sewage treatment system and sewage treatment method |
-
2017
- 2017-09-13 CN CN201721172388.9U patent/CN207375888U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109734234A (en) * | 2019-02-22 | 2019-05-10 | 江苏和顺环保有限公司 | A kind of processing unit of copper-containing wastewater |
| CN111196664A (en) * | 2020-01-16 | 2020-05-26 | 广东晟鑫环保科技有限公司 | Wastewater desalting treatment method based on advanced treatment |
| CN111196664B (en) * | 2020-01-16 | 2021-06-29 | 广东晟鑫环保科技有限公司 | Wastewater desalting treatment method based on advanced treatment |
| CN116621397A (en) * | 2023-07-24 | 2023-08-22 | 长沙潇水环保科技有限公司 | Sewage treatment system and sewage treatment method |
| CN116621397B (en) * | 2023-07-24 | 2023-10-20 | 长沙潇水环保科技有限公司 | Sewage treatment system and sewage treatment method |
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