CN215712375U - Glyphosate wastewater treatment device - Google Patents

Glyphosate wastewater treatment device Download PDF

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Publication number
CN215712375U
CN215712375U CN202122479191.2U CN202122479191U CN215712375U CN 215712375 U CN215712375 U CN 215712375U CN 202122479191 U CN202122479191 U CN 202122479191U CN 215712375 U CN215712375 U CN 215712375U
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pipeline
filter
pump
glyphosate
nanofiltration device
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CN202122479191.2U
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苏仲民
王晓强
苏战华
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Liaoning Lavender Environmental Engineering Co ltd
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Liaoning Lavender Environmental Engineering Co ltd
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Abstract

The utility model discloses a glyphosate wastewater treatment device, which relates to the technical field of water treatment equipment and comprises a mother liquor tank, a lift pump, a heat exchanger, a multi-medium filter, an activated carbon filter, an ultrafilter, an intermediate water tank and a first booster pump which are arranged in sequence, first precision filter, first high-pressure pump, the one-level nanofiltration device, the product water tank, the second booster pump, the second precision filter, second high-pressure pump and second grade nanofiltration device, the access connection of mother liquor case through first pipeline and heat exchanger, the elevator pump sets up on first pipeline, be provided with alkali charge device between mother liquor case and the elevator pump, the dense water end of one-level nanofiltration device is connected with the mother liquor case through first return line, the permeate liquid end of one-level nanofiltration device passes through the access connection of eighth pipeline and product water tank, the dense water end of second grade nanofiltration device is connected with the mother liquor case through the second return line. The device can effectively recover the phosphorus in the glyphosate wastewater, saves resources, reduces the treatment cost and avoids environmental pollution.

Description

Glyphosate wastewater treatment device
Technical Field
The utility model relates to the technical field of water treatment equipment, in particular to a glyphosate wastewater treatment device.
Background
In the production process of glyphosate, a large amount of glyphosate sewage is generated, about 1-3% of the glyphosate sewage cannot be recycled, the content of organic matters in the glyphosate sewage is high, and the contents of heavy metal ions and chloride ions exceed the standard, so that not only is serious resource waste caused, but also serious environmental pollution and harm to organisms are caused; the current stage treatment process comprises the processes of removing the interference of chlorine ions on microorganisms by an electrolysis reactor and a selective bioreactor, namely electrolysis pretreatment and an up-flow anaerobic sludge bed. Or treating the glyphosate wastewater by adopting a bipolar membrane electrodialysis method, desalting a large amount of NaCl contained in the wastewater and converting the NaCl into HCl and NaOH, and simultaneously realizing the recovery of the caoglossa. Besides, methods such as electric flocculation oxidation, Fenton oxidation, electromagnetic-Fenton oxidation, activated alumina adsorption method, anaerobic treatment and the like. Although Fenton oxidation has simple equipment, simple and convenient operation, high treatment efficiency and the like, the method has high treatment cost and is only suitable for treating wastewater with small water quantity and low concentration. Although the above method can solve a certain problem, the problem of serious standard exceeding of the total phosphorus index still exists.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a glyphosate wastewater treatment device, which can effectively recover phosphorus in glyphosate wastewater, save resources, reduce treatment cost and avoid environmental pollution.
In order to achieve the purpose, the utility model provides the following scheme:
the utility model provides a glyphosate wastewater treatment device which comprises a mother liquor tank, a lift pump, a heat exchanger, a multi-media filter, an activated carbon filter, an ultrafilter, an intermediate water tank, a first booster pump, a first precision filter, a first high-pressure pump, a primary nanofiltration device, a product water tank, a second booster pump, a second precision filter, a second high-pressure pump and a secondary nanofiltration device which are sequentially arranged, wherein the mother liquor tank is connected with an inlet of the heat exchanger through a first pipeline, the lift pump is arranged on the first pipeline, an alkali dosing device is arranged between the mother liquor tank and the lift pump, an outlet of the heat exchanger is connected with an inlet of the multi-media filter through a second pipeline, an outlet of the multi-media filter is connected with an inlet of the activated carbon filter through a third pipeline, an outlet of the activated carbon filter is connected with an inlet of the ultrafilter through a fourth pipeline, the outlet of the ultrafilter is connected with the inlet of the middle water tank through a fifth pipeline, the outlet of the middle water tank is connected with the inlet of the first precision filter through a sixth pipeline, the first booster pump is arranged on the sixth pipeline, the outlet of the first precision filter is connected with the water inlet end of the first-stage nanofiltration device through a seventh pipeline, the first high-pressure pump is arranged on the seventh pipeline, the concentrated water end of the first-stage nanofiltration device is connected with the mother liquid tank through a first return pipeline, the permeate liquid end of the first-stage nanofiltration device is connected with the inlet of the product water tank through an eighth pipeline, the outlet of the product water tank is connected with the inlet of the second precision filter through a ninth pipeline, the second booster pump is arranged on the ninth pipeline, and the outlet of the second precision filter is connected with the water inlet end of the second-stage nanofiltration device through a tenth pipeline, and the concentrated water end of the secondary nanofiltration device is connected with the mother liquor tank through a second return pipeline.
Preferably, the glyphosate-containing nanofiltration device further comprises a glyphosate-containing finished product tank and a connecting pipeline, and the concentrated water end of the primary nanofiltration device is connected with the glyphosate-containing finished product tank through the connecting pipeline.
Preferably, the heat exchanger is a three-stage heat exchanger.
Preferably, a first packing layer, a second packing layer and a third packing layer are sequentially arranged in the multi-media filter from top to bottom, and the particle sizes of the first packing layer, the second packing layer and the third packing layer are sequentially decreased progressively.
Preferably, the first packing layer adopts anthracite with the grain diameter of 1-2mm, the second packing layer adopts quartz sand with the grain diameter of 1-2mm, and the third packing layer adopts quartz sand with the grain diameter of 0.65-1 mm.
Preferably, the shell materials of the first precision filter and the second precision filter are both PP, and the first precision filter and the second precision filter both adopt 5-micrometer precision filter elements.
Preferably, the interception molecular weight of the nanofiltration membrane adopted by the primary nanofiltration device and the secondary nanofiltration device is 100-500 Dal.
Preferably, the material of overflowing of the lift pump, the first booster pump and the second booster pump is tetrafluoro material.
Preferably, the outlet pressure of the first high-pressure pump is 20-40bar, the outlet pressure of the second high-pressure pump is 10-16bar, and the overflowing material of the first high-pressure pump and the second high-pressure pump is SUS316L or above.
Compared with the prior art, the utility model has the following technical effects:
the utility model provides a glyphosate wastewater treatment device, which comprises a mother liquor tank, a lift pump, a heat exchanger, a multi-medium filter, an activated carbon filter, an ultrafilter, an intermediate water tank, a first booster pump, a first precision filter, a first high-pressure pump, a primary nanofiltration device, a product water tank, a second booster pump, a second precision filter, a second high-pressure pump and a secondary nanofiltration device which are arranged in sequence, wherein an alkali dosing device is arranged between the mother liquor tank and the lift pump, the PH of inlet water is maintained to be between 3 and 8 by arranging the alkali dosing device, the glyphosate wastewater is cooled by arranging the heat exchanger, the multi-medium filter removes suspended matters, microorganisms and other fine particles in the wastewater, the activated carbon filter further removes viscous substances in the wastewater, and then the ultrafilter further removes colloids, particles and substances with relatively high molecular weight in the wastewater, the method comprises the steps of continuously removing fine particles and impurities through a first precision filter, intercepting substances such as phosphorus, COD and the like in the wastewater through a first-stage nanofiltration device, further removing residual fine particles and impurities in the wastewater through a second precision filter, and further removing substances such as phosphorus, COD and the like in the wastewater through a second-stage nanofiltration device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a glyphosate wastewater treatment device provided by the utility model.
Description of reference numerals: 100. a glyphosate wastewater treatment device; 1. a mother liquor tank; 2. a lift pump; 3. a heat exchanger; 4. a multi-media filter; 5. an activated carbon filter; 6. an ultrafilter; 7. an intermediate water tank; 8. a first booster pump; 9. a first precision filter; 10. a first high pressure pump; 11. a first-stage nanofiltration device; 12. a product water tank; 13. a second booster pump; 14. a second precision filter; 15. a second high pressure pump; 16. and a secondary nanofiltration device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model aims to provide a glyphosate wastewater treatment device, which can effectively recover phosphorus in glyphosate wastewater, save resources, reduce treatment cost and avoid environmental pollution.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1, the embodiment provides a glyphosate wastewater treatment device 100, which comprises a mother liquor tank 1, a lift pump 2, a heat exchanger 3, a multi-media filter 4, an activated carbon filter 5, an ultrafilter 6, an intermediate water tank 7, a first booster pump 8, a first precision filter 9, a first high-pressure pump 10, a first-stage nanofiltration device 11, a product water tank 12, a second booster pump 13, a second precision filter 14, a second high-pressure pump 15 and a second-stage nanofiltration device 16, which are sequentially arranged, wherein the mother liquor tank 1 is connected with an inlet of the heat exchanger 3 through a first pipeline, the lift pump 2 is arranged on the first pipeline, an alkali dosing device is arranged between the mother liquor tank 1 and the lift pump 2, an outlet of the heat exchanger 3 is connected with an inlet of the multi-media filter 4 through a second pipeline, an outlet of the multi-media filter 4 is connected with an inlet of the activated carbon filter 5 through a third pipeline, an outlet of the activated carbon filter 5 is connected with an inlet of the ultrafilter 6 through a fourth pipeline, an outlet of the ultrafilter 6 is connected with an inlet of the intermediate water tank 7 through a fifth pipeline, specifically, two layers of fillers are filled in the activated carbon filter 5, a water production branch pipe of each membrane pipe of the ultrafilter 6 is connected with a header pipe, and the header pipe is connected with the inlet of the intermediate water tank 7 through the fifth pipeline; an outlet of the middle water tank 7 is connected with an inlet of the first precision filter 9 through a sixth pipeline, and particularly, the middle water tank 7 is a vertical cylindrical water tank and is mainly used for storing water filtered by the multi-medium filter 4, the activated carbon filter 5 and the ultra-filter 6, so that system debugging is facilitated; the first booster pump 8 is arranged on a sixth pipeline, the outlet of the first precision filter 9 is connected with the water inlet end of the first-stage nanofiltration device 11 through a seventh pipeline, the first high-pressure pump 10 is arranged on the seventh pipeline, the concentrated water end of the first-stage nanofiltration device 11 is connected with the mother liquor tank 1 through a first return pipeline, the permeate end of the first-stage nanofiltration device 11 is connected with the inlet of the product water tank 12 through an eighth pipeline, the permeate of the first-stage nanofiltration device 11 enters the product water tank 12 through the eighth pipeline, the outlet of the product water tank 12 is connected with the inlet of the second precision filter 14 through a ninth pipeline, the second booster pump 13 is arranged on the ninth pipeline, the outlet of the second precision filter 14 is connected with the water inlet end of the second-stage nanofiltration device 16 through a tenth pipeline, the concentrated water end of the second-stage nanofiltration device 16 is connected with the mother liquor tank 1 through a second return pipeline, the concentrated liquid of the second-stage nanofiltration device 16 returns to the mother liquor tank 1 through a second return pipeline, the produced water is recycled, and the permeate of the secondary nanofiltration device 16 meets the discharge standard and is directly discharged.
The embodiment also comprises a glyphosate finished product tank and a connecting pipeline, wherein the concentrated water end of the primary nanofiltration device 11 is connected with the glyphosate finished product tank through the connecting pipeline, one part of the concentrated solution of the primary nanofiltration device 11 reflows to the mother liquor tank 1 through the first backflow pipeline, and the other part of the concentrated solution flows to the glyphosate finished product tank through the connecting pipeline.
In this embodiment, the heat exchanger 3 is a three-stage heat exchanger.
Specifically, the multi-media filter 4 is provided with a first packing layer, a second packing layer and a third packing layer from top to bottom in sequence, and the particle diameters of the first packing layer, the second packing layer and the third packing layer decrease progressively in sequence.
In this embodiment, the first packing layer is made of anthracite with a particle size of 1-2mm, the second packing layer is made of quartz sand with a particle size of 1-2mm, and the third packing layer is made of quartz sand with a particle size of 0.65-1 mm.
In this embodiment, the housing of the first precision filter 9 and the second precision filter 14 are made of PP, and the first precision filter 9 and the second precision filter 14 both adopt 5 μm precision filter elements.
In this embodiment, the interception molecular weight of the nanofiltration membrane adopted by the primary nanofiltration device 11 and the secondary nanofiltration device 16 is 100-.
In this embodiment, the flow-through materials of the lift pump 2, the first booster pump 8 and the second booster pump 13 are all made of tetrafluoro material.
In this embodiment, the outlet pressure of the first high-pressure pump 10 is 20-40bar, the outlet pressure of the second high-pressure pump 15 is 10-16bar, and the material of the overflow of the first high-pressure pump 10 and the second high-pressure pump 15 is SUS316L or more.
When the device works, glyphosate waste water is added into a mother liquor tank 1, an alkali dosing device is arranged between the mother liquor tank 1 and a lift pump 2, the PH of inlet water is maintained to be between 3 and 8 by the alkali dosing device, the glyphosate waste water is conveyed to a heat exchanger 3 by the lift pump 2, the glyphosate waste water is cooled by the heat exchanger 3, the temperature of the glyphosate waste water is reduced to 25 ℃ from 65 ℃, a multi-medium filter 4 is used for removing suspended matters, microorganisms and other fine particles in the waste water, the turbidity of outlet water is smaller than 5mg/l, an active carbon filter 5 is used for further removing viscous substances in the waste water, then colloids, particles and substances with relatively high molecular weight in the waste water are further removed by an ultrafilter 6, the filtered water enters an intermediate water tank 7 and is conveyed to a first precision filter 9 by a first booster pump 8, and then the fine particles and impurities are continuously removed by the first precision filter 9, the concentrated solution is conveyed to a first-stage nanofiltration device 11 through a first high-pressure pump 10, substances such as phosphorus, COD and the like in the wastewater are intercepted through the first-stage nanofiltration device 11, one part of the concentrated solution of the first-stage nanofiltration device 11 flows back to a mother liquor tank 1, the other part of the concentrated solution flows to a glyphosate product tank, the permeation solution of the first-stage nanofiltration device 11 enters a product water tank 12 and is conveyed to a second precision filter 14 through a second booster pump 13, residual fine particles and impurities in the wastewater are further removed through the second precision filter 14 and is conveyed to a second-stage nanofiltration device 16 through a second high-pressure pump 15, substances such as phosphorus, COD and the like in the wastewater are further removed through the second-stage nanofiltration device 16, the concentrated solution of the second-stage nanofiltration device 16 flows back to the mother liquor tank 1, the produced water is recycled, and the permeation solution of the second-stage nanofiltration device 16 meets the discharge standard and is directly discharged.
In this embodiment, through setting up one-level nanofiltration device 11 and second grade nanofiltration device 16 and having realized the secondary and carried phosphorus, it is efficient to carry phosphorus, realized effectively retrieving the phosphorus in the glyphosate waste water, it is serious to have solved phosphorus resource waste, environmental pollution and the poison problem to the organism, effectively separate COD, phosphorus and sodium chloride in the waste water, and filter through multistage filter unit, make the effluent satisfy discharge standard up to standard, accord with the clean production demand, save complicacy, the oxidation treatment process that the running cost is high, the treatment cost is reduced, save equipment area, the degree of automation of operation is high, save the cost of labor.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, this summary should not be construed to limit the present invention.

Claims (9)

1. A glyphosate wastewater treatment device is characterized by comprising a mother liquor tank, a lifting pump, a heat exchanger, a multi-media filter, an activated carbon filter, an ultrafilter, an intermediate water tank, a first booster pump, a first precision filter, a first high-pressure pump, a one-stage nanofiltration device, a product water tank, a second booster pump, a second precision filter, a second high-pressure pump and a second-stage nanofiltration device which are sequentially arranged, wherein the mother liquor tank is connected with an inlet of the heat exchanger through a first pipeline, the lifting pump is arranged on the first pipeline, an alkali dosing device is arranged between the mother liquor tank and the lifting pump, an outlet of the heat exchanger is connected with an inlet of the multi-media filter through a second pipeline, an outlet of the multi-media filter is connected with an inlet of the activated carbon filter through a third pipeline, an outlet of the activated carbon filter is connected with an inlet of the ultrafilter through a fourth pipeline, the outlet of the ultrafilter is connected with the inlet of the middle water tank through a fifth pipeline, the outlet of the middle water tank is connected with the inlet of the first precision filter through a sixth pipeline, the first booster pump is arranged on the sixth pipeline, the outlet of the first precision filter is connected with the water inlet end of the first-stage nanofiltration device through a seventh pipeline, the first high-pressure pump is arranged on the seventh pipeline, the concentrated water end of the first-stage nanofiltration device is connected with the mother liquid tank through a first return pipeline, the permeate liquid end of the first-stage nanofiltration device is connected with the inlet of the product water tank through an eighth pipeline, the outlet of the product water tank is connected with the inlet of the second precision filter through a ninth pipeline, the second booster pump is arranged on the ninth pipeline, and the outlet of the second precision filter is connected with the water inlet end of the second-stage nanofiltration device through a tenth pipeline, and the concentrated water end of the secondary nanofiltration device is connected with the mother liquor tank through a second return pipeline.
2. The glyphosate wastewater treatment device according to claim 1, further comprising a glyphosate product tank and a connecting pipeline, wherein the concentrated water end of the primary nanofiltration device is connected with the glyphosate product tank through the connecting pipeline.
3. The glyphosate waste water treatment device of claim 1, wherein the heat exchanger is a three-stage heat exchanger.
4. The glyphosate wastewater treatment device of claim 1, wherein a first packing layer, a second packing layer and a third packing layer are sequentially arranged in the multi-medium filter from top to bottom, and the particle sizes of the first packing layer, the second packing layer and the third packing layer are sequentially decreased progressively.
5. The glyphosate wastewater treatment device according to claim 4, wherein the first packing layer adopts anthracite with the grain diameter of 1-2mm, the second packing layer adopts quartz sand with the grain diameter of 1-2mm, and the third packing layer adopts quartz sand with the grain diameter of 0.65-1 mm.
6. The glyphosate waste water treatment device according to claim 1, wherein the shells of the first precision filter and the second precision filter are both made of PP, and the first precision filter and the second precision filter are both provided with 5 μm precision filter elements.
7. The glyphosate wastewater treatment device as set forth in claim 1, wherein the nanofiltration membrane adopted by the primary nanofiltration device and the secondary nanofiltration device has a molecular weight cutoff of 100-500 Dal.
8. The glyphosate waste water treatment device according to claim 1, wherein the overflow materials of the lift pump, the first booster pump and the second booster pump are all made of tetrafluoro material.
9. The glyphosate waste water treatment device according to claim 1, wherein the outlet pressure of the first high-pressure pump is 20-40bar, the outlet pressure of the second high-pressure pump is 10-16bar, and the overflowing material of the first high-pressure pump and the second high-pressure pump is SUS316L or above.
CN202122479191.2U 2021-10-14 2021-10-14 Glyphosate wastewater treatment device Active CN215712375U (en)

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Application Number Priority Date Filing Date Title
CN202122479191.2U CN215712375U (en) 2021-10-14 2021-10-14 Glyphosate wastewater treatment device

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Application Number Priority Date Filing Date Title
CN202122479191.2U CN215712375U (en) 2021-10-14 2021-10-14 Glyphosate wastewater treatment device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115340206A (en) * 2022-06-29 2022-11-15 安徽东至广信农化有限公司 Glyphosate wastewater treatment device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115340206A (en) * 2022-06-29 2022-11-15 安徽东至广信农化有限公司 Glyphosate wastewater treatment device
CN115340206B (en) * 2022-06-29 2024-03-15 安徽东至广信农化有限公司 Glyphosate wastewater treatment device

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