CN220012217U - Copper sulfate waste liquid treatment device - Google Patents
Copper sulfate waste liquid treatment device Download PDFInfo
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- CN220012217U CN220012217U CN202321598611.1U CN202321598611U CN220012217U CN 220012217 U CN220012217 U CN 220012217U CN 202321598611 U CN202321598611 U CN 202321598611U CN 220012217 U CN220012217 U CN 220012217U
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- waste liquid
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- pipeline
- communicated
- copper sulfate
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- 239000007788 liquid Substances 0.000 title claims abstract description 84
- 239000002699 waste material Substances 0.000 title claims abstract description 65
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 title claims abstract description 44
- 229910000365 copper sulfate Inorganic materials 0.000 title claims abstract description 40
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 57
- 238000001704 evaporation Methods 0.000 claims abstract description 55
- 230000008020 evaporation Effects 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000007791 liquid phase Substances 0.000 claims abstract description 28
- 239000002253 acid Substances 0.000 claims abstract description 27
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 26
- 239000010439 graphite Substances 0.000 claims abstract description 26
- 238000011084 recovery Methods 0.000 claims abstract description 21
- 239000012071 phase Substances 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 51
- 238000001179 sorption measurement Methods 0.000 claims description 20
- 239000002562 thickening agent Substances 0.000 claims description 20
- 239000012528 membrane Substances 0.000 claims description 17
- 238000000926 separation method Methods 0.000 claims description 13
- 238000003795 desorption Methods 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 9
- 238000000746 purification Methods 0.000 claims description 8
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 239000007792 gaseous phase Substances 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- 210000003298 dental enamel Anatomy 0.000 claims description 4
- 239000007790 solid phase Substances 0.000 claims description 4
- 239000003595 mist Substances 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 239000013078 crystal Substances 0.000 abstract description 36
- 239000002002 slurry Substances 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000010842 industrial wastewater Substances 0.000 abstract description 2
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 238000000197 pyrolysis Methods 0.000 description 14
- 238000004064 recycling Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007084 catalytic combustion reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011403 purification operation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The utility model belongs to the technical field of industrial wastewater treatment equipment, and particularly discloses a copper sulfate waste liquid treatment device which comprises an atmospheric evaporation tower, a transfer pump, a gas phase treatment unit and a liquid phase treatment unit, wherein a liquid phase inlet of the atmospheric evaporation tower is communicated with a waste liquid inlet pipeline, the transfer pump is arranged on the waste liquid inlet pipeline, a graphite heat exchanger is connected in the atmospheric evaporation tower, and the graphite heat exchanger is connected with a heat exchange unit for heating the atmospheric evaporation tower. According to the utility model, the copper sulfate waste liquid is pumped into the normal pressure evaporation tower through the transfer pump, the evaporated copper sulfate waste liquid can generate acid gas and crystal slurry mixed liquid, the acid gas is treated through the gas phase treatment unit, and finally, recyclable acid condensate and water are obtained, the crystal slurry mixed liquid is treated through the liquid phase treatment unit, and finally, the high-purity dried copper sulfate crystal product with high recovery value is obtained, no new waste liquid or waste residue is generated in the whole treatment process, and the resource recovery benefit is high.
Description
Technical Field
The utility model relates to the technical field of industrial wastewater treatment equipment, in particular to a copper sulfate waste liquid treatment device.
Background
In the technical processes in the fields of metallurgy, electroplating, chemical industry and the like, since copper is a common raw material, a large amount of copper sulfate waste liquid is generated in the production process, and a large amount of copper ions are contained in the waste liquid, if the waste liquid is directly discharged into the environment without treatment, serious pollution is caused to water bodies, threat is caused to ecological environment and human health, and the current method for industrially treating the copper sulfate waste liquid is mainly to treat the copper sulfate waste liquid by an evaporation technology and obtain high-purity copper sulfate crystals for recovery.
The evaporation technology commonly used in the prior art is a single-effect evaporation technology, the recoverable product obtained by the single-effect evaporation technology is low in purity, the product often contains more impurities, the purification operation is required to be additionally carried out, the workload of recovery treatment is increased, and the recovery benefit of the copper sulfate crystal is low.
Disclosure of Invention
The utility model aims to provide a copper sulfate waste liquid treatment device, which solves the problems that in the prior art, new waste liquid or waste residue products are usually generated in the process of treating industrial copper sulfate waste liquid, and the new products need to be reprocessed, and the treatment method leads to low recovery benefit of copper sulfate waste liquid resources and increases the recovery treatment workload.
In order to achieve the above purpose, the basic scheme provided by the utility model is as follows: the utility model provides a copper sulfate waste liquid treatment device, includes the atmospheric pressure evaporation tower, transfers the pump, is used for handling the gaseous phase processing unit of the acid gas that the atmospheric pressure evaporation tower produced and is used for handling the liquid phase processing unit of the brilliant thick liquid mixed solution that the atmospheric pressure evaporation tower produced, the liquid phase entry intercommunication of atmospheric pressure evaporation tower has the waste liquid import pipeline, be provided with on the waste liquid import pipeline and transfer the pump, be connected with the graphite heat exchanger in the atmospheric pressure evaporation tower, the graphite heat exchanger is connected with the heat transfer unit who is used for heating the atmospheric pressure evaporation tower.
The principle and the beneficial effects of the utility model are as follows: the utility model pumps the copper sulfate waste liquid into an atmospheric evaporation tower through a transfer pump, and carries out low-temperature heating evaporation by a graphite heat exchanger, the evaporated copper sulfate waste liquid can generate acid gas and crystal slurry mixed liquid, the acid gas is treated by a gas phase treatment unit, and finally, recyclable acid condensate and water are obtained, and the crystal slurry mixed liquid is treated by a liquid phase treatment unit, and finally, a high-purity dried copper sulfate crystal product with high recovery value is obtained; meanwhile, by arranging the circulating unit, the temperature of the heat exchange medium in the graphite heat exchanger can be guaranteed to carry out evaporation treatment on the copper sulfate waste liquid. The device is suitable for industrialized treatment of the copper sulfate waste liquid, no new waste liquid or waste residue is generated in the whole treatment process, no extra recovery treatment workload is generated, and the recovery benefit of the copper sulfate crystal resource is effectively improved.
According to the scheme II, the gas phase treatment unit is based on the scheme preference, the gas phase treatment unit comprises a first condensing tower and an activated carbon adsorption tower, a gas phase outlet of the normal pressure evaporation tower is connected with a draught fan, an outlet of the draught fan is communicated with a gas phase inlet of the first condensing tower, the first condensing tower is communicated with a condensate water pipeline, a liquid phase outlet of the first condensing tower is connected with the activated carbon adsorption tower, and the activated carbon adsorption tower is respectively connected with an acid condensate recovery pipeline and a water recovery pipeline.
And introducing acid gas generated in the normal pressure evaporation tower into a first condensing tower through a draught fan for condensation, and carrying out adsorption operation on the condensed acid condensate through an activated carbon adsorption tower to obtain recoverable acid condensate and water, wherein the recoverable acid condensate and water are recovered through an acid condensate recovery pipeline and a water recovery pipeline respectively.
The third scheme is the optimization of this basic scheme, the liquid phase treatment unit includes splitter, thickener, pyrolysis rotary kiln, membrane filter press, gas purification treatment equipment and second condensing tower, the liquid phase export of ordinary pressure evaporation tower is connected with splitter, splitter's export and thickener's import intercommunication have transfer line, thickener's export is connected with membrane filter press, the export of membrane filter press is connected with pyrolysis rotary kiln, pyrolysis rotary kiln's gaseous phase export and second condensing tower intercommunication, second condensing tower's liquid phase export and gaseous phase export are connected with active carbon adsorption tower and gas purification treatment equipment respectively, pyrolysis rotary kiln's solid phase export intercommunication has solid discharge pipeline.
The crystal primary separation is carried out on the crystal slurry mixed liquid through the separation equipment, the re-evaporation is carried out on the waste liquid of the crystal slurry mixed liquid through the thickener, the water content in the waste liquid is reduced, a large amount of crystals are separated out, the thickening of crystals is realized, the thick liquid containing copper sulfate crystals enters the membrane filter press through the conveying pipeline, the thick waste liquid output by the thickener is further dehydrated through the membrane filter press, and when the water content of the thick waste liquid is detected to be less than 60%, the pyrolysis treatment is carried out through the pyrolysis rotary kiln.
Pyrolysis gas and high-purity dried copper sulfate crystals are obtained through pyrolysis, the pyrolysis gas is condensed by a second condensing tower, the gas generated after condensation is divided into condensable gas and non-condensable gas, the liquid-phase condensable gas is sent into an active carbon adsorption tower to be used for recycling acid condensate and water, and the non-condensable gas is purified by gas purification treatment equipment and then is discharged to the atmosphere after reaching standards.
The fourth scheme is the optimization of the third scheme, and the thickener is an enamel scraper type single-effect evaporator; the enamel scraper type single-effect evaporator can further concentrate and evaporate the water in the crystal slurry mixed liquid, so that a large amount of crystals are separated out, and thickening of the crystals is realized.
In a fifth aspect, the heat exchange unit includes a belt filter and a boiler, a liquid phase outlet of the graphite heat exchanger is communicated with a circulating pump through a pipeline, an outlet of the circulating pump is communicated with the belt filter, a circulating water pipeline is communicated between the belt filter and the boiler, and a steam inlet pipeline is communicated between the boiler and the graphite heat exchanger;
through the graphite heat exchanger in the evaporation tower, steam and water in the graphite heat exchanger are not contacted with the normal pressure evaporation tower, the water after low-temperature liquefaction is pumped out to the belt filter by the circulating pump, the belt filter filters the water and sends the water into the boiler for use through the circulating water pipeline, steam at about 130 ℃ generated by the boiler enters the graphite heat exchanger through the steam inlet pipeline to exchange heat with graphite, and then the graphite evaporates the copper sulfate waste liquid.
A sixth aspect is preferable in the third aspect, wherein the membrane filter press is communicated with a delivery pump through a pipeline, and an outlet of the delivery pump is communicated with a waste liquid inlet pipeline; through setting up the delivery pump, be convenient for send into the atmospheric evaporation tower again through waste liquid import pipeline with the solution that takes off when dehydration in the membrane filter press and circulate evaporation treatment.
The seventh scheme is the optimization of the sixth scheme, wherein a spray pipe is fixedly connected in the normal pressure evaporation tower, and the spray pipe is communicated with a waste liquid inlet pipeline; the copper sulfate waste liquid is sprayed from the normal pressure evaporation tower in a spraying mode, so that the contact area of low-temperature heating evaporation of the copper sulfate waste liquid is increased, evaporation is more sufficient, and the generation of acid gas and crystal slurry mixed liquid is facilitated.
A eighth aspect is the preference of the third aspect, wherein the separation device is a cyclone crystallizer; the cyclone crystallizer is a cyclone crystal separating device, circulating wastewater containing crystals, namely crystal slurry mixed liquid, enters the cyclone crystallizer from tangential direction through a pipeline and rotates at high speed in the cyclone crystallizer, most crystals and other solid substances are concentrated and deposited at the bottom of the cyclone crystallizer, and preliminary solid-liquid separation operation is completed, so that the crystal slurry mixed liquid fed into the thickener through a conveying pipeline is kept to have the minimum crystal quantity.
A ninth scheme is preferable in the seventh scheme, wherein a water mist interceptor is connected to the top of the normal pressure evaporation tower; through setting up water smoke interceptor, the acid gas that evaporates in the atmospheric pressure evaporation tower carries out the water smoke by water smoke interceptor and intercepts, helps better handling and recovery to acid gas.
Drawings
FIG. 1 is a schematic diagram of a copper sulfate waste liquid treatment apparatus according to the present utility model.
Detailed Description
The utility model is described in further detail below by way of specific embodiments:
reference numerals in the drawings of the specification include: 1. an atmospheric evaporation tower; 2. an induced draft fan; 3. a first condensing column; 4. a waste liquid inlet line; 5. a separation device; 6. a thickener; 7. a transfer line; 8. a membrane filter press; 9. a thermal desorption rotary kiln; 10. a gas purifying treatment device; 11. a second condensing tower; 12. a solids discharge line; 13. an activated carbon adsorption tower; 14. an acid condensate recovery line; 15. a water recovery line; 16. a transfer pump; 17. a transfer pump; 18. a graphite heat exchanger; 19. a mist interceptor; 20. a shower pipe; 21. a circulation pump; 22. a belt filter; 23. a circulating water line; 24. a boiler; 25. a vapor inlet line; 26. and a condensed water line.
As shown in fig. 1: the utility model provides a copper sulfate waste liquid treatment device, including atmospheric pressure evaporation tower 1, transfer pump 16, gaseous phase processing unit and liquid phase processing unit, the liquid phase import intercommunication of atmospheric pressure evaporation tower 1 has waste liquid import pipeline 4, be provided with transfer pump 16 on the waste liquid import pipeline 4, the top fixedly connected with water smoke interceptor 19 in the atmospheric pressure evaporation tower 1, fixedly connected with graphite heat exchanger 18 in the atmospheric pressure evaporation tower 1, graphite heat exchanger 18 heats copper sulfate waste liquid to 60-70 ℃ and accomplishes the evaporation process, and produce acid gas and brilliant thick liquid mixed solution, graphite heat exchanger 18 is connected with heat transfer unit.
The heat exchange unit comprises a belt filter 22 and a boiler 24, wherein a liquid phase outlet of the graphite heat exchanger 18 penetrates through the atmospheric evaporation tower 1 through a pipeline and is communicated with a circulating pump 21, an outlet of the circulating pump 21 is communicated with the belt filter 22 through a pipeline, a circulating water pipeline 23 is communicated between the outlet of the belt filter 22 and the boiler 24, and an air inlet pipeline 25 is communicated between an air outlet of the boiler 24 and a gas phase inlet of the graphite heat exchanger 18.
The gas phase treatment unit comprises a first condensing tower 3 and an activated carbon adsorption tower 13, a gas phase outlet of the normal pressure evaporation tower 1 is communicated with a draught fan 2, an outlet of the draught fan 2 is communicated with a gas phase inlet of the first condensing tower 3 through a pipeline, the first condensing tower 3 is communicated with a condensate water pipeline 26, a liquid phase outlet of the first condensing tower 3 is communicated with the activated carbon adsorption tower 13 through a pipeline, and the activated carbon adsorption tower 13 is communicated with an acid condensate water recovery pipeline 14 and a water recovery pipeline 15.
The liquid phase treatment unit comprises a separation device 5, a thickener 6, a thermal desorption rotary kiln 9, a membrane filter press 8, a gas purification treatment device 10 and a second condensing tower 11, wherein the separation device 5 is a cyclone crystallizer, a liquid phase outlet of the normal pressure evaporation tower 1 is communicated with the cyclone crystallizer through a pipeline, a conveying pipeline 7 is communicated between the cyclone crystallizer and the thickener 6, the thickener 6 is an enamel scraper type single-effect evaporator, a gas phase outlet of the thickener 6 is communicated with the first condensing tower 3, the thickener 6 is communicated with a membrane filter press 8 for further dehydrating crystal slurry mixed liquid through a pipeline, a liquid phase outlet of the membrane filter press 8 is communicated with a conveying pump 17, an outlet of the conveying pump 17 is communicated with a waste liquid inlet pipeline 4, the membrane filter press 8 is communicated with the thermal desorption rotary kiln 9 through a pipeline, the gas purification treatment device 10 is catalytic combustion tail gas treatment device, a gas phase outlet of the thermal desorption rotary kiln 9 is communicated with the second condensing tower 11, and a solid discharge pipeline 12 is communicated with a solid phase outlet of the thermal desorption rotary kiln 9; the liquid phase outlet and the gas phase outlet of the second condensing tower 11 are respectively communicated with the activated carbon adsorption tower 13 and the gas purifying treatment device 10.
The implementation manner of this example is as follows: when the device is used, the copper sulfate waste liquid is pumped into the normal pressure evaporation tower 1 from the waste liquid inlet pipeline 4 through the transfer pump 16, steam with the temperature of about 130 ℃ generated by the boiler 24 enters the graphite heat exchanger 18 from the steam inlet pipeline 25 to exchange heat with graphite, the copper sulfate waste liquid is sprayed from the spray pipe 20 and is subjected to low-temperature heating evaporation by the heat exchanged graphite, and the evaporated copper sulfate waste liquid is subjected to gas-liquid separation to generate acid gas and crystal slurry mixed liquid.
The acid gas is introduced into a first condensing tower 3 by an induced draft fan 2, and acid condensate and water which can be recycled are obtained through the adsorption of an activated carbon adsorption tower 13, and are discharged and recycled from an acid condensate recycling pipeline 14 and a water recycling pipeline 15 respectively, wherein the acidity recycling rate can reach 95%; the crystal slurry mixed liquid is conveyed to a cyclone crystallizer to rotate at a high speed for preliminary separation of crystals, then the crystal slurry mixed liquid is lifted to a thickener 6 by a conveying pipeline 7, and the crystal slurry mixed liquid is re-evaporated by steam in the thickener 6, so that the water content in the crystal slurry mixed liquid is reduced, the crystals are more thick, the waste liquid discharged from the thickener 6 is further dehydrated by a membrane filter press 8, and the solution removed in the dehydration process is conveyed to a waste liquid inlet pipeline 4 by a conveying pump 17 and enters an atmospheric evaporation tower 1 for cyclic evaporation operation.
Delivering the dehydrated product into a pyrolysis rotary kiln 9 for pyrolysis, separating out pyrolysis gas and high-purity dried copper sulfate crystals after pyrolysis, and recycling the copper sulfate crystals through a solid discharge pipeline 12; the pyrolysis gas is sent to a second condensing tower 11 from a gas phase outlet for condensation, the liquid phase condensable gas generated in the second condensing tower 11 is sent to an active carbon adsorption tower 13 for adsorption to obtain recoverable acid condensate and water, and the non-condensable gas is purified by a gas purification treatment device 10 and discharged to the atmosphere after reaching the standard.
The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (9)
1. The utility model provides a copper sulfate waste liquid treatment device, its characterized in that includes atmospheric pressure evaporation tower (1), transfer pump (16), is used for handling the gaseous phase processing unit of the acid gas that atmospheric pressure evaporation tower (1) produced and is used for handling the liquid phase processing unit of the brilliant thick liquid mixed solution that atmospheric pressure evaporation tower (1) produced, the liquid phase entry intercommunication of atmospheric pressure evaporation tower (1) has waste liquid import pipeline (4), be provided with on waste liquid import pipeline (4) and transfer pump (16), be connected with graphite heat exchanger (18) in atmospheric pressure evaporation tower (1), graphite heat exchanger (18) are connected with the heat transfer unit who is used for heating atmospheric pressure evaporation tower (1).
2. The copper sulfate waste liquid treatment device according to claim 1, wherein the gas phase treatment unit comprises a first condensing tower (3) and an activated carbon adsorption tower (13), a gas phase outlet of the normal pressure evaporation tower (1) is connected with a draught fan (2), an outlet of the draught fan (2) is communicated with a gas phase inlet of the first condensing tower (3), the first condensing tower (3) is communicated with a condensed water pipeline (26), a liquid phase outlet of the first condensing tower (3) is connected with the activated carbon adsorption tower (13), and the activated carbon adsorption tower (13) is respectively connected with an acid condensed water recovery pipeline (14) and a water recovery pipeline (15).
3. The copper sulfate waste liquid treatment device according to claim 1, wherein the liquid phase treatment unit comprises a separation device (5), a thickener (6), a thermal desorption rotary kiln (9), a membrane filter press (8), a gas purification treatment device (10) and a second condensation tower (11), wherein a liquid phase outlet of the normal pressure evaporation tower (1) is connected with the separation device (5), an outlet of the separation device (5) is communicated with an inlet of the thickener (6) to form a conveying pipeline (7), an outlet of the thickener (6) is connected with the membrane filter press (8), an outlet of the membrane filter press (8) is connected with the thermal desorption rotary kiln (9), a gas phase outlet of the thermal desorption rotary kiln (9) is communicated with the second condensation tower (11), and a liquid phase outlet and a gas phase outlet of the second condensation tower (11) are respectively connected with an activated carbon adsorption tower (13) and the gas purification treatment device (10), and a solid phase outlet of the thermal desorption rotary kiln (9) is communicated with a solid phase pipeline (12).
4. A copper sulphate waste liquid treatment apparatus according to claim 3 wherein the thickener (6) is an enamel scraper type single effect evaporator.
5. A copper sulfate waste liquid treatment device according to claim 1, wherein the heat exchange unit comprises a belt filter (22) and a boiler (24), a liquid phase outlet of the graphite heat exchanger (18) is communicated with a circulating pump (21) through a pipeline, an outlet of the circulating pump (21) is communicated with the belt filter (22), a circulating water pipeline (23) is communicated between the belt filter (22) and the boiler (24), and an inlet steam pipeline (25) is communicated between the boiler (24) and the graphite heat exchanger (18).
6. A copper sulphate waste liquid treatment apparatus as claimed in claim 3, wherein the membrane filter press (8) is in communication with a transfer pump (17) via a pipeline, the outlet of the transfer pump (17) being in communication with the waste liquid inlet pipeline (4).
7. The copper sulfate waste liquid treatment device according to claim 6, wherein a spray pipe (20) is fixedly connected in the normal pressure evaporation tower (1), and the spray pipe (20) is communicated with the waste liquid inlet pipeline (4).
8. A copper sulphate waste liquid treatment apparatus according to claim 3 wherein the separation device (5) is a cyclone crystallizer.
9. A copper sulphate waste liquid treatment apparatus according to claim 7 wherein a mist interceptor (19) is connected to the top of the inside of the atmospheric evaporation tower (1).
Priority Applications (1)
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CN202321598611.1U CN220012217U (en) | 2023-06-21 | 2023-06-21 | Copper sulfate waste liquid treatment device |
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CN202321598611.1U CN220012217U (en) | 2023-06-21 | 2023-06-21 | Copper sulfate waste liquid treatment device |
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CN220012217U true CN220012217U (en) | 2023-11-14 |
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CN202321598611.1U Active CN220012217U (en) | 2023-06-21 | 2023-06-21 | Copper sulfate waste liquid treatment device |
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