CN214936758U - High COD chemical industry waste water zero release processing apparatus of high salt - Google Patents
High COD chemical industry waste water zero release processing apparatus of high salt Download PDFInfo
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- CN214936758U CN214936758U CN202121023017.0U CN202121023017U CN214936758U CN 214936758 U CN214936758 U CN 214936758U CN 202121023017 U CN202121023017 U CN 202121023017U CN 214936758 U CN214936758 U CN 214936758U
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Abstract
The utility model discloses a high-salt high-COD chemical wastewater zero discharge treatment device, which comprises a wastewater collecting tank and a desorption liquid tank, wherein a lift pump is fixedly arranged on one side of the wastewater collecting tank, a water outlet of the lift pump is fixedly communicated with a negative pressure evaporator through a first pipeline, the negative pressure evaporator is fixedly communicated with a mother liquor collecting tank through a second pipeline, and the mother liquor collecting tank is fixedly communicated with a first booster pump through a third pipeline, the high-salt high-COD chemical wastewater zero discharge treatment device firstly adsorbs and evaporates, and recovers valuable materials to the maximum extent, meanwhile, the purity of the recovered solid inorganic salt and the purity of the evaporated condensate are ensured, the adoption of a continuous multi-stage adsorption process ensures that the residual organic matters in the adsorbed filtrate reach the minimum value, the multi-process optimization combination solves the disposal bottleneck of zero emission of the high-salt and difficult-degradation organic chemical wastewater, and the waste is thoroughly changed into valuable.
Description
Technical Field
The utility model relates to an environmental protection waste water treatment field specifically is a high COD chemical industry waste water zero release processing apparatus of high salt.
Background
The waste water contains salt and high COD, and COD component in the waste water belongs to dangerous waste and has strong corrosivity, but the waste water is also a raw material for producing rubber antioxidant, has high economic value, can generate high economic benefit when being reasonably recycled, and needs higher treatment cost for waste water treatment.
The device extraction process of current processing waste water is consuming time very long, and efficiency is very low, and the extractant price is expensive, and the extractant loss is great, and extractant itself also is a toxic substance simultaneously, easily produces the danger useless, and conventional evaporation technique can produce azeotropic phenomenon in the course of handling, can bring partial COD composition into the condensate, and most COD composition can remain in the mother liquor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high COD chemical industry waste water zero release processing apparatus of high salt, it is consuming time very long to solve the device extraction process of the current processing waste water that proposes in the above-mentioned background art, efficiency is very low, the extractant price is expensive, the extractant loss is great, extractant itself is also a toxic substance simultaneously, it is useless easily to produce the danger, conventional evaporation technology can produce azeotropic phenomenon in the processing procedure, can bring partial COD composition into the condensate, most COD composition can remain the problem in the mother liquor.
In order to achieve the above object, the utility model provides a following technical scheme: a high-salt high-COD chemical wastewater zero-discharge treatment device comprises a wastewater collection tank and a desorption liquid tank, wherein a lifting pump is fixedly installed on the wastewater collection tank, a water outlet of the lifting pump is fixedly communicated with a first negative pressure evaporator through a first pipeline, the first negative pressure evaporator is fixedly communicated with a mother liquid collection tank through a second pipeline, the mother liquid collection tank is fixedly communicated with a first booster pump through a third pipeline, a water outlet of the first booster pump is fixedly communicated with a net filter through a fourth pipeline, the net filter is fixedly communicated with a first special enricher through a fifth pipeline, the first special enricher is fixedly communicated with a second special enricher through a twenty-four pipeline, the net filter, the first special enricher and the second special enricher are fixedly communicated with a desorption liquid collection tank through a sixth pipeline, and the desorption liquid collection tank is fixedly communicated with a feed pump through a seventh pipeline, the feed pump is characterized in that a desorption water pump is fixedly communicated with the desorption liquid tank through an eighth pipeline, a water outlet of the desorption water pump is fixedly communicated with a precision filter through a ninth pipeline, the screen filter is fixedly communicated with a third special enricher through a tenth pipeline, the third special enricher is fixedly communicated with a filtrate tank through an eleventh pipeline, the filtrate tank is fixedly communicated with a third booster pump through an eleventh pipeline, a water outlet of the third booster pump is fixedly communicated with a second negative pressure evaporator through a twelfth pipeline, the second negative pressure evaporator is fixedly communicated with a centrifugal separator through a thirteenth pipeline, and a water outlet of the feed pump is fixedly communicated with a rectifying tower through a twenty-fifth pipeline.
As an optimal technical scheme of the utility model, the second negative pressure evaporator has the filtrating holding vessel through the fixed intercommunication of fourteenth pipeline, the filtrating holding vessel has subsequent processing system through the fixed intercommunication of fifteenth pipeline.
As an optimal technical scheme of the utility model, the special enrichment ware of third has the second booster pump through the fixed intercommunication of sixteenth pipeline, the water tank in the middle of the water inlet of second booster pump has through the fixed intercommunication of seventeenth pipeline, the special enrichment ware of third has rectification processing system through the fixed intercommunication of twelve pipelines of second.
As an optimal technical solution of the present invention, the first special enricher and the second special enricher are all fixedly communicated with the fine filter through an eighteenth pipe.
As an optimized technical scheme of the utility model, first negative pressure evaporator has the condensate holding vessel through the fixed intercommunication of nineteenth pipeline.
As an optimized technical scheme of the utility model, the rectifying column has the quinoline collecting tank through the fixed intercommunication of twentieth pipeline, the rectifying column has the resolution agent collecting tank through the fixed intercommunication of twenty first pipeline.
As an optimized technical scheme of the utility model, middle water pitcher passes through the fixed intercommunication of the special enricher of twenty-third pipeline and second.
Compared with the prior art, the beneficial effects of the utility model are that: the method has the advantages that valuable materials are recovered to the maximum extent after adsorption, the purity of recovered solid inorganic salt and the purity of evaporated condensate are ensured, the adoption of a continuous multistage adsorption process ensures that residual organic matters in the adsorbed filtrate reach the minimum value, the optimized combination of multiple processes solves the disposal bottleneck of zero emission of high-salt and difficult-degradation organic chemical wastewater, and the waste is turned into wealth thoroughly.
Drawings
Fig. 1 is a schematic diagram of the present invention.
In the figure: 1. a wastewater collection tank; 2. a lift pump; 3. a first negative pressure evaporator; 4. a mother liquor collection tank; 5. a first booster pump; 6. a screen filter; 7. a first dedicated enricher; 8. a second dedicated enricher; 9. a desorption liquid collection tank; 10. a feed pump; 11. a rectifying tower; 12. a desorption liquid tank; 13. a desorption water pump; 14. a precision filter; 15. an intermediate water tank; 16. a second booster pump; 17. a third dedicated enricher; 18. a filtrate tank; 19. a third booster pump; 20. a second negative pressure evaporator; 21. a centrifugal separator; 22. a filtrate collection tank; 23. a post-processing system; 24. a rectification processing system; 25. a condensate collection tank; 26. a quinoline collection tank; 27. and a desorption agent collecting tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the utility model provides a high-salt high-COD chemical wastewater zero discharge treatment device, which comprises a wastewater collection tank 1 and a desorption liquid tank 12, wherein a lift pump 2 is fixedly installed on the wastewater collection tank 1, a first negative pressure evaporator 3 is fixedly communicated with a water outlet of the lift pump 2 through a first pipeline, a mother liquor collection tank 4 is fixedly communicated with the first negative pressure evaporator 3 through a second pipeline, the mother liquor collection tank 4 is fixedly communicated with a first booster pump 5 through a third pipeline, a net filter 6 is fixedly communicated with a water outlet of the first booster pump 5 through a fourth pipeline, the net filter 6 is fixedly communicated with a first special enricher 7 through a fifth pipeline, the first special enricher 7 is fixedly communicated with a second special enricher 8 through a fourteenth pipeline, the net filter 6, the first special enricher 7 and the second special enricher 8 are all fixedly communicated with a desorption liquid collection tank 9 through a sixth pipeline, a feed pump 10 is fixedly communicated with a desorption liquid collecting tank 9 through a seventh pipeline, a desorption water pump 13 is fixedly communicated with a desorption liquid tank 12 through an eighth pipeline, a precision filter 14 is fixedly communicated with a water outlet of the desorption water pump 13 through a ninth pipeline, a third special enricher 17 is fixedly communicated with a mesh filter 6 through a tenth pipeline, a filtrate tank 18 is fixedly communicated with the third special enricher 17 through an eleventh pipeline, the filtrate tank 18 is fixedly communicated with a third booster pump 19 through an eleventh pipeline, a second negative pressure evaporator 20 is fixedly communicated with a water outlet of the third booster pump 19 through a twelfth pipeline, a centrifugal separator 21 is fixedly communicated with the second negative pressure evaporator 20 through a thirteenth pipeline, and a rectifying tower 11 is fixedly communicated with a water outlet of the feed pump 10 through a twenty-fifth pipeline.
Preferably, the second negative pressure evaporator 20 is fixedly communicated with a filtrate collecting tank 22 through a fourteenth pipeline, the filtrate collecting tank 22 is fixedly communicated with a post-treatment system 23 through a fifteenth pipeline, and the filtrate collecting tank 22 can send the filtrate into the post-treatment system 23 through the fifteenth pipeline for treatment.
Preferably, the third dedicated enricher 17 is fixedly communicated with the second booster pump 16 through a sixteenth pipeline, a water inlet of the second booster pump 16 is fixedly communicated with the intermediate water tank 15 through a seventeenth pipeline, the third dedicated enricher 17 is fixedly communicated with the rectification processing system 24 through a twenty-twelfth pipeline, and the third dedicated enricher 17 can send water into the rectification processing system 24 through the twenty-twelfth pipeline for processing.
Preferably, both the first dedicated concentrator 7 and the second dedicated concentrator 8 are in fixed communication with the fine filter 14 through an eighteenth pipe, so that the water can be subjected to a subsequent more elaborate distillation treatment.
Preferably, the first negative pressure evaporator 3 is fixedly communicated with a condensate collecting tank 25 through a nineteenth pipeline, and the condensate collecting tank 25 can collect condensate.
Preferably, the rectifying tower 11 is fixedly communicated with a quinoline collecting tank 26 through a twentieth pipeline, and the rectifying tower 11 is fixedly communicated with a resolving agent collecting tank 27 through a twenty-first pipeline, so that the wastewater treatment effect is better.
Preferably, the intermediate water tank 15 is fixedly communicated with the second special enricher 8 through a twenty-third pipeline, so that the whole wastewater treatment system can conveniently treat wastewater.
When in use, the utility model relates to a high COD chemical industry waste water zero release processing apparatus of high salt, at first, the waste water of the waste water collecting pit 1 the inside is absorbed to elevator pump 2, then let in the inside of first negative pressure evaporator 3, first negative pressure evaporator 3 lets in the mother liquor collecting tank 4 with the mother liquor, in letting in the net filter 6 through first booster pump 5 immediately, first special enricher 7 and second special enricher 8 handle the mother liquor, send into rectifying column 11 through feed pump 10, the analysis liquid adopts rectification treatment, can obtain the high value material that the purity is greater than or equal to 99%, can satisfy the production technology retrieval and utilization completely, retrieve acetone and recycle, the filtrate after the special adsorption treatment is sent to next processing unit and is handled, the filtrate composition through first special adsorption treatment is sodium chloride, do not contain organic matter basically, carry out negative pressure triple effect evaporation treatment to this filtrate, the condensate can be directly recycled when the sodium chloride solution (mother liquor) with the solid content of more than 80 percent is obtained, the mother liquor is sent to the next processing unit for processing, the evaporated mother liquor is centrifugally separated, the crystallized sodium chloride and the liquid (valuable material solution with higher concentration) obtained by centrifugal separation are fully separated, the sodium chloride (with the water content of about 3 percent) is sent to the next processing unit for processing, and the separated valuable material solution is sent to an adjusting tank for secondary adsorption processing.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a high COD chemical industry waste water zero release processing apparatus of high salt, includes waste water collecting pit (1) and desorption fluid reservoir (12), its characterized in that: the waste water collecting tank (1) is fixedly provided with a lifting pump (2), a water outlet of the lifting pump (2) is fixedly communicated with a first negative pressure evaporator (3) through a first pipeline, the first negative pressure evaporator (3) is fixedly communicated with a mother liquor collecting tank (4) through a second pipeline, the mother liquor collecting tank (4) is fixedly communicated with a first booster pump (5) through a third pipeline, a water outlet of the first booster pump (5) is fixedly communicated with a net filter (6) through a fourth pipeline, the net filter (6) is fixedly communicated with a first special enricher (7) through a fifth pipeline, the first special enricher (7) is fixedly communicated with a second special enricher (8) through a fourteenth pipeline, and the net filter (6), the first special enricher (7) and the second special enricher (8) are fixedly communicated with a desorption liquid collecting tank (9) through a sixth pipeline, the desorption liquid collecting tank (9) is fixedly communicated with a feed pump (10) through a seventh pipeline, the desorption liquid tank (12) is fixedly communicated with a desorption water pump (13) through an eighth pipeline, a water outlet of the desorption water pump (13) is fixedly communicated with a precision filter (14) through a ninth pipeline, the net type filter (6) is fixedly communicated with a third special enricher (17) through a tenth pipeline, the third special enricher (17) is fixedly communicated with a filtrate tank (18) through an eleventh pipeline, the filtrate tank (18) is fixedly communicated with a third booster pump (19) through an eleventh pipeline, a water outlet of the third booster pump (19) is fixedly communicated with a second negative pressure evaporator (20) through a twelfth pipeline, the second negative pressure evaporator (20) is fixedly communicated with a centrifugal separator (21) through a thirteenth pipeline, and a water outlet of the feeding pump (10) is fixedly communicated with a rectifying tower (11) through a twenty-fifth pipeline.
2. The high-salt and high-COD chemical wastewater zero-discharge treatment device according to claim 1, characterized in that: the second negative pressure evaporator (20) is fixedly communicated with a filtrate collecting tank (22) through a fourteenth pipeline, and the filtrate collecting tank (22) is fixedly communicated with a subsequent treatment system (23) through a fifteenth pipeline.
3. The high-salt and high-COD chemical wastewater zero-discharge treatment device according to claim 1, characterized in that: the special third enricher (17) is fixedly communicated with a second booster pump (16) through a sixteenth pipeline, a water inlet of the second booster pump (16) is fixedly communicated with an intermediate water tank (15) through a seventeenth pipeline, and the special third enricher (17) is fixedly communicated with a rectification processing system (24) through a twelfth pipeline.
4. The high-salt and high-COD chemical wastewater zero-discharge treatment device according to claim 1, characterized in that: the first dedicated enricher (7) and the second dedicated enricher (8) are both in fixed communication with a precision filter (14) through an eighteenth pipe.
5. The high-salt and high-COD chemical wastewater zero-discharge treatment device according to claim 1, characterized in that: and the first negative pressure evaporator (3) is fixedly communicated with a condensate collecting tank (25) through a nineteenth pipeline.
6. The high-salt and high-COD chemical wastewater zero-discharge treatment device according to claim 1, characterized in that: the rectifying tower (11) is fixedly communicated with a quinoline collecting tank (26) through a twentieth pipeline, and the rectifying tower (11) is fixedly communicated with a resolving agent collecting tank (27) through a twenty-first pipeline.
7. The high-salt and high-COD chemical wastewater zero-discharge treatment device according to claim 3, characterized in that: the intermediate water tank (15) is fixedly communicated with the second special enricher (8) through a twenty-third pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121023017.0U CN214936758U (en) | 2021-05-13 | 2021-05-13 | High COD chemical industry waste water zero release processing apparatus of high salt |
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| CN202121023017.0U CN214936758U (en) | 2021-05-13 | 2021-05-13 | High COD chemical industry waste water zero release processing apparatus of high salt |
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| CN214936758U true CN214936758U (en) | 2021-11-30 |
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| CN202121023017.0U Active CN214936758U (en) | 2021-05-13 | 2021-05-13 | High COD chemical industry waste water zero release processing apparatus of high salt |
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2021
- 2021-05-13 CN CN202121023017.0U patent/CN214936758U/en active Active
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