CN210945809U - Comprehensive recovery system of wet-process zinc smelting waste residues - Google Patents
Comprehensive recovery system of wet-process zinc smelting waste residues Download PDFInfo
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- CN210945809U CN210945809U CN201922009879.7U CN201922009879U CN210945809U CN 210945809 U CN210945809 U CN 210945809U CN 201922009879 U CN201922009879 U CN 201922009879U CN 210945809 U CN210945809 U CN 210945809U
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Abstract
The utility model discloses a comprehensive recovery system of wet zinc smelting waste residue, which comprises a water source, a sulfuric acid storage tank, a leaching tank, a purification system, a comprehensive recovery system, a mixing tank and a filter press; liquid outlets of the three purifying slurrying tanks of the purifying system and a liquid outlet of the slag-separating filter of the comprehensive recovery system are communicated with a liquid inlet of the mixing tank through pipelines; the liquid outlet of the mixing tank is communicated with the liquid inlet of the filter press through a pipeline, and the liquid outlet of the filter press is communicated with the liquid inlet of the leaching tank through a pipeline. Has the advantages that: the production cost is reduced, the impurity removal capability of impurities such as nickel is improved, the problem of nickel impurity enrichment is solved, the content of nickel is reduced, and the productivity of the system is improved.
Description
The technical field is as follows:
the utility model relates to a recovery system, in particular to a comprehensive recovery system of wet process zinc smelting waste residue.
Background art:
the zinc hydrometallurgy flow comprises roasting zinc concentrate, leaching zinc from the produced roasted product, purifying and removing impurities from the zinc leaching solution, and electrolyzing and precipitating zinc from the zinc purifying solution. The zinc leaching solution contains a plurality of impurities, wherein the impurities comprise copper, cadmium, cobalt, nickel, arsenic, antimony, iron and the like; the impurities are extremely harmful in the zinc electrolytic deposition process, such as reduction of current efficiency, increase of electrolytic energy consumption, influence on the quality of separated zinc, corrosion of a cathode to cause zinc stripping difficulty and the like; therefore, impurities contained in the zinc leachate are removed to the allowable content through a zinc leachate purification and impurity removal process before electrolysis, the purification slag obtained through the purification process is recovered through a comprehensive recovery process, the recovered residual solution still contains zinc and a large amount of nickel, the zinc and the large amount of nickel need to be returned to the leaching process again for purification treatment, and the nickel contained in the solution can be continuously and circularly enriched along with the continuous circulation of the solution; in order to ensure the quality of the zinc liquid, the amount of zinc powder added in a purification working section needs to be increased, so that the nickel can be removed by replacement in the process of removing the copper separator by replacement, wherein the amount of the zinc powder needing to be removed by replacement is 40 times of the content of nickel, and the purification cost is further increased continuously; in order to reduce the usage amount of zinc powder in the purification working section, a cobalt and nickel removing medicament is added into a solution obtained by performing zinc powder replacement cadmium filter pressing on the comprehensive recovery working section to remove nickel in a targeted manner, so that the cost of medicament auxiliary materials is increased, and the capacity of a system is influenced; in the purification process, cobalt and nickel removing agents are adopted to remove cobalt and nickel, the obtained qualified zinc liquid is sent to the electrolysis process, and a large amount of cobalt and nickel removing agents still exist in the obtained cobalt and nickel slag, so that the waste of the cobalt and nickel removing agents is directly caused, and the production cost is increased.
The utility model has the following contents:
an object of the utility model is to provide a comprehensive recovery system of waste residue is smelted to wet process zinc that has promoted edulcoration ability, and has reduced manufacturing cost.
The utility model discloses by following technical scheme implement: a comprehensive recovery system of wet-process zinc smelting waste residues comprises a water source, a sulfuric acid storage tank, a leaching tank, a purification system, a comprehensive recovery system, a mixing tank and a filter press; the water source and the liquid outlet of the sulfuric acid storage tank are both communicated with the liquid inlet of the leaching tank through pipelines; an overflow port of the leaching tank is communicated with a liquid inlet of a supernatant mixing tank of the purification system through a pipeline, and a liquid outlet of a filter residue slurrying tank of the purification system is communicated with a liquid inlet of the leaching tank through a pipeline; the liquid outlets of the first purifying and pulping tank and the second purifying and pulping tank of the purifying system are communicated with the liquid inlet of the acid leaching tank of the comprehensive recovery system through pipelines; liquid outlets of the three purifying slurrying tanks of the purifying system and a liquid outlet of the slag separating filter of the comprehensive recovery system are communicated with a liquid inlet of the mixing tank through pipelines; the liquid outlet of the mixing tank is communicated with the liquid inlet of the pressure filter through a pipeline, and the liquid outlet of the pressure filter is communicated with the liquid inlet of the leaching tank through a pipeline.
Further, the purification system comprises an activated carbon storage tank, the supernatant mixing tank, a supernatant filter press, the filter residue slurrying tank, a zinc powder storage tank, a clean reaction tank, a clean filter press, the clean slurrying tank, two clean reaction tanks, two clean filter presses, two clean slurrying tanks, a cobalt and nickel removal agent storage tank, three clean reaction tanks, three clean filter presses, three clean slurrying tanks and a zinc liquid storage tank; the discharge hole of the active carbon storage tank is communicated with the feed inlet of the supernatant fluid mixing tank, the liquid outlet of the supernatant fluid mixing tank is communicated with the liquid inlet of the supernatant fluid pressure filter through a pipeline, and the slag outlet of the supernatant fluid pressure filter and the water source are both communicated with the inlet of the filter residue slurrying tank through pipelines; the liquid outlet of the middle supernatant filter press and the discharge hole of the zinc powder storage tank are both communicated with the inlet of the clean reaction tank; the liquid outlet of the net reaction tank is communicated with the liquid inlet of the net filter press through a pipeline; the slag outlet of the net filter press and the water source are both communicated with the inlet of the net slurrying tank through a pipeline; the liquid outlet of the first net filter press and the discharge hole of the zinc powder storage tank are both communicated with the inlet of the second net reaction tank; the liquid outlet of the second net reaction tank is communicated with the liquid inlet of the second net filter press through a pipeline; the slag outlet of the two-net filter press and the water source are both communicated with the inlet of the two-net slurrying tank through a pipeline; the liquid outlets of the two clean press filters and the discharge hole of the cobalt and nickel removing medicament storage tank are communicated with the inlet of the three clean reaction tanks; the liquid outlet of the three-net reaction tank is communicated with the liquid inlet of the three-net filter press through a pipeline; the slag outlet of the three-net filter press and the water source are both communicated with the inlet of the three-net slurrying tank through a pipeline; the liquid outlets of the three-net filter press are communicated with the liquid inlet of the zinc liquid storage tank through a pipeline.
Further, the comprehensive recovery system comprises the acid leaching tank, a first filter, a reactor, the slag separation filter, a cadmium slag storage tank, an acid washing tank, a second filter, a rinsing tank, a copper slag filter and a copper slag storage tank; the liquid outlet of the acidic leaching tank is communicated with the liquid inlet of the first filter through a pipeline, and the liquid outlet of the first filter and the discharge hole of the zinc powder storage tank are both communicated with the inlet of the reactor; the liquid outlet of the reactor is communicated with the liquid inlet of the slag separation filter through a pipeline, and the slag outlet of the slag separation filter is communicated with the feed inlet of the cadmium slag storage tank through a pipeline; the slag outlet of the first filter is communicated with the liquid inlet of the pickling tank through a pipeline; the liquid outlet of the pickling tank is communicated with the liquid inlet of the second filter through a pipeline; the slag outlet of the second filter and the water source are both communicated with the liquid inlet of the rinsing bath through pipelines; the liquid outlet of the rinsing bath is communicated with the liquid inlet of the copper slag filtering machine through a pipeline, and the slag outlet of the copper slag filtering machine is communicated with the feed inlet of the copper slag storage tank through a pipeline; and the liquid outlet of the copper slag filtering machine and the liquid outlet of the second filtering machine are communicated with the liquid inlet of the leaching tank through pipelines.
Further, the device also comprises a cobalt-nickel slag washing tank, a cobalt-nickel slag filter press and a cobalt-nickel slag storage tank; the slag outlet of the filter press and the water source are both communicated with the inlet of the cobalt-nickel slag washing tank through a pipeline; the liquid outlet of cobalt nickel sediment water washing tank with the inlet of cobalt nickel sediment pressure filter passes through the pipeline intercommunication, the liquid outlet of cobalt nickel sediment pressure filter with the inlet pipeline intercommunication of leaching tank, the slag notch of cobalt nickel sediment pressure filter with the slag inlet intercommunication of cobalt nickel sediment storage tank.
The utility model has the advantages that: the utility model discloses drop into in clean system and remove cobalt nickel medicament and remove cobalt nickel, the cobalt nickel sediment that obtains mixes fully with the solution that obtains through zinc powder replacement cadmium filter pressing in the comprehensive recovery system again for the cobalt nickel medicament that removes in the cobalt nickel sediment removes the nickel impurity in the solution, need not to increase the input of zinc powder in the clean system, also need not to use in the comprehensive recovery system simultaneously and removes cobalt nickel medicament; the production cost is reduced, the impurity removal capability of impurities such as nickel is improved, the problem of nickel impurity enrichment is solved, the content of nickel is reduced, and the productivity of the system is improved.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
The device comprises a water source 1, a sulfuric acid storage tank 2, a leaching tank 3, a purification system 4, an activated carbon storage tank 4.10, a supernatant fluid mixing tank 4.11, a supernatant fluid filter press 4.12, a filter residue slurrying tank 4.13, a zinc powder storage tank 4.14, a clean reaction tank 4.15, a clean filter press 4.16, a clean slurrying tank 4.17, a clean reaction tank 4.18, a clean filter press 4.19, a clean slurrying tank 4.20, a cobalt and nickel removal agent storage tank 4.21, a clean reaction tank 4.22, a clean filter press 4.23, a clean slurry tank 4.24, a zinc liquid storage tank 4.25, a comprehensive recovery system 5, an acid leaching tank 5.10, a first filter 5.11, a reactor 5.12, a slag isolation filter 5.13, a cadmium slag storage tank 5.14, a pickling tank 5.15, a second filter 5.16, a water washing tank 5.17, a copper slag 5.18, a copper slag mixing tank 5.19, a copper slag isolation filter press 6, a cobalt and nickel slag water storage tank 10.
The specific implementation mode is as follows:
as shown in fig. 1, a comprehensive recovery system of wet zinc smelting waste residue comprises a water source 1, a sulfuric acid storage tank 2, a leaching tank 3, a purification system 4, a comprehensive recovery system 5, a mixing tank 6, a filter press 7, a cobalt-nickel residue washing tank 8, a cobalt-nickel residue filter press 9 and a cobalt-nickel residue storage tank 10; the liquid outlets of the water source 1 and the sulfuric acid storage tank 2 are communicated with the liquid inlet of the leaching tank 3 through pipelines; an overflow port of the leaching tank 3 is communicated with a liquid inlet of a supernatant mixing tank 4.11 of the purification system 4 through a pipeline, and a liquid outlet of a filter residue slurrying tank 4.13 of the purification system 4 is communicated with a liquid inlet of the leaching tank 3 through a pipeline; the liquid outlets of the first purifying and pulping tank 4.17 and the second purifying and pulping tank 4.20 of the purifying system 4 are communicated with the liquid inlet of the acid leaching tank 5.10 of the comprehensive recovery system 5 through pipelines; the liquid outlets of the three purifying slurrying tanks 4.24 of the purifying system 4 and the liquid outlet of the slag-separating filter 5.13 of the comprehensive recovery system 5 are communicated with the liquid inlet of the mixing tank 6 through pipelines; the liquid outlet of the mixing tank 6 is communicated with the liquid inlet of the filter press 7 through a pipeline, and the liquid outlet of the filter press 7 is communicated with the liquid inlet of the leaching tank 3 through a pipeline; the slag outlet of the filter press 7 and the water source 1 are both communicated with the inlet of the cobalt-nickel slag washing tank 8 through a pipeline; the liquid outlet of the cobalt-nickel slag washing tank 8 is communicated with the liquid inlet of the cobalt-nickel slag filter press 9 through a pipeline, the liquid outlet of the cobalt-nickel slag filter press 9 is communicated with the liquid inlet pipeline of the leaching tank 3, and the slag outlet of the cobalt-nickel slag filter press 9 is communicated with the slag inlet of the cobalt-nickel slag storage tank 10.
The purification system 4 comprises an activated carbon storage tank 4.10, a supernatant mixing tank 4.11, a supernatant filter press 4.12, a filter residue slurrying tank 4.13, a zinc powder storage tank 4.14, a first purifying reaction tank 4.15, a first purifying filter press 4.16, a first purifying slurrying tank 4.17, a second purifying reaction tank 4.18, a second purifying filter press 4.19, a second purifying slurrying tank 4.20, a cobalt and nickel removing agent storage tank 4.21, a third purifying reaction tank 4.22, a third purifying filter press 4.23, a third purifying slurrying tank 4.24 and a zinc liquid storage tank 4.25; a discharge hole of the active carbon storage tank 4.10 is communicated with a feed inlet of the supernatant mixing tank 4.11, a liquid outlet of the supernatant mixing tank 4.11 is communicated with a liquid inlet of a supernatant filter press 4.12 through a pipeline, and a slag outlet of the supernatant filter press 4.12 and a water source 1 are both communicated with an inlet of a filter residue slurrying tank 4.13 through a pipeline; the liquid outlet of the middle supernatant filter press 4.12 and the discharge hole of the zinc powder storage tank 4.14 are both communicated with the inlet of a clean reaction tank 4.15; the liquid outlet of a net reaction tank 4.15 is communicated with the liquid inlet of a net filter press 4.16 through a pipeline; the slag outlet of a net filter press 4.16 and the water source 1 are both communicated with the inlet of a net slurrying tank 4.17 through pipelines; a liquid outlet of the first net filter press 4.16 and a discharge outlet of the zinc powder storage tank 4.14 are both communicated with an inlet of the second net reaction tank 4.18; the liquid outlet of the second clean reaction tank 4.18 is communicated with the liquid inlet of the second clean filter press 4.19 through a pipeline; the slag outlet of the second net filter press 4.19 and the water source 1 are both communicated with the inlet of the second net slurrying tank 4.20 through pipelines; the liquid outlet of the second clean filter press 4.19 and the discharge outlet of the cobalt and nickel removing medicament storage tank 4.21 are both communicated with the inlet of the third clean reaction tank 4.22; the liquid outlet of the three-net reaction tank 4.22 is communicated with the liquid inlet of the three-net filter press 4.23 through a pipeline; the slag outlet of the three-net filter press 4.23 and the water source 1 are both communicated with the inlet of the three-net slurrying tank 4.24 through pipelines; the liquid outlet of the three-net filter press 4.23 is communicated with the liquid inlet of the zinc liquid storage tank 4.25 through a pipeline.
The comprehensive recovery system 5 comprises an acid leaching tank 5.10, a first filter 5.11, a reactor 5.12, a slag separation filter 5.13, a cadmium slag storage tank 5.14, an acid washing tank 5.15, a second filter 5.16, a water washing tank 5.17, a copper slag filter 5.18 and a copper slag storage tank 5.19; the liquid outlet of the acid leaching tank 5.10 is communicated with the liquid inlet of the first filter 5.11 through a pipeline, and the liquid outlet of the first filter 5.11 and the discharge hole of the zinc powder storage tank 4.14 are both communicated with the inlet of the reactor 5.12; the liquid outlet of the reactor 5.12 is communicated with the liquid inlet of the slag separation filter 5.13 through a pipeline, and the slag outlet of the slag separation filter 5.13 is communicated with the feed inlet of the cadmium slag storage tank 5.14 through a pipeline; the slag outlet of the first filter 5.11 is communicated with the liquid inlet of the pickling tank 5.15 through a pipeline; the liquid outlet of the pickling tank 5.15 is communicated with the liquid inlet of the second filter 5.16 through a pipeline; the slag outlet of the second filter 5.16 and the water source 1 are communicated with the liquid inlet of the rinsing bath 5.17 through pipelines; the liquid outlet of the rinsing bath 5.17 is communicated with the liquid inlet of the copper slag filtering machine 5.18 through a pipeline, and the slag outlet of the copper slag filtering machine 5.18 is communicated with the feed inlet of the copper slag storage tank 5.19 through a pipeline; the liquid outlet of the copper slag filter 5.18 and the liquid outlet of the second filter 5.16 are both communicated with the liquid inlet of the leaching tank 3 through pipelines.
The working process is as follows: sending calcine formed after roasting zinc concentrate into a leaching tank 3, adding water and sulfuric acid solution into the calcine, stirring for reaction, standing, overflowing supernatant in the leaching tank 3 into a supernatant mixing tank 4.11, adding activated carbon into the supernatant mixing tank 4.11, adsorbing floating impurities, performing filter pressing through a supernatant filter press 4.12, mixing the formed filter cake with water in a filter residue slurrying tank 4.13 for slurrying, and returning the filter cake to the leaching tank 3; the filter-pressed filtrate is sent to a clean reaction tank 4.15 to be mixed and reacted with zinc powder, the zinc powder replaces impurities in the filtrate to form zinc sulfate solution, the impurities are precipitated into the zinc sulfate solution, the zinc sulfate solution is filter-pressed by a clean filter press 4.16 after the reaction, the filter cake obtained by the filter-pressing is mixed with water in a clean pulping tank 4.17 to be pulped, and then the filter cake is sent to an acid leaching tank 5.10; the filtrate is sent to a second clean reaction tank 4.18 to react with the zinc powder again, the solution after the reaction is filtered by a second clean filter press 4.19, the filter cake after the pressure filtration is mixed with water and pulped in a second clean pulping tank 4.20, and then the filter cake is sent to an acid leaching tank 5.10; the filtrate is sent to a three-clean reaction tank 4.22 to be mixed and reacted with a cobalt and nickel removing medicament, cobalt and nickel in the filtrate form precipitates, the filtrate after the reaction is subjected to pressure filtration by a three-clean filter press 4.23, the formed filter cake is mixed with water in a three-clean slurrying tank 4.24 to be slurried to form cobalt and nickel slag slurrying liquid, and then the slurrying liquid is sent to a mixing tank 6; the filtrate is sent to a zinc liquid storage tank and then sent to an electrolytic process for electrolytic zinc deposition; mixing the acid leaching tank 5.10 with sulfuric acid solution, filtering by a first filter 5.11, sending the filtered filter residue to a pickling tank 5.15 for pickling, then filtering by a second filter 5.16, and sending the filtered filtrate to a leaching tank 3; washing the filtered filter residue with water in a washing tank 5.17, then filtering the filter residue with a copper residue filter 5.18 to form copper residue, storing the copper residue in a copper residue storage tank 5.19, and allowing the formed filtrate to be passively fed into a leaching tank 3; the filtrate filtered by the first filter 5.11 is sent to a reactor 5.12 to be mixed and reacted with zinc powder, then filtered by a slag separation filter 5.13 to obtain sponge cadmium which is stored in a cadmium slag storage tank 5.14, the obtained poor cadmium solution is sent to a mixing tank 6, and the poor cadmium solution and the cobalt-nickel slag slurrying solution are mixed and reacted in the mixing tank 6, so that nickel impurities in the poor cadmium solution are removed by cobalt-nickel removing agents in the cobalt-nickel slag; the input amount of zinc powder is not required to be increased in the purification system 4, and a cobalt and nickel removing agent is not required to be used in the comprehensive recovery system 5; the production cost is reduced, the impurity removal capability of impurities such as nickel and the like is improved, the problem of nickel impurity enrichment is solved, the content of nickel is reduced, and the productivity of a system is improved; and after the mixing reaction, carrying out pressure filtration by a pressure filter 7, returning the formed filtrate to the leaching tank 3 again, washing the formed filter residue in a cobalt-nickel residue washing tank 8, and carrying out pressure filtration by a cobalt-nickel residue pressure filter 9, wherein the formed cobalt-nickel residue is stored in a cobalt-nickel residue storage tank 10, and the formed filtrate is sent to the leaching tank 3.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A comprehensive recovery system of wet-process zinc smelting waste residues is characterized by comprising a water source, a sulfuric acid storage tank, a leaching tank, a purification system, a comprehensive recovery system, a mixing tank and a filter press; the water source and the liquid outlet of the sulfuric acid storage tank are both communicated with the liquid inlet of the leaching tank through pipelines; an overflow port of the leaching tank is communicated with a liquid inlet of a supernatant mixing tank of the purification system through a pipeline, and a liquid outlet of a filter residue slurrying tank of the purification system is communicated with a liquid inlet of the leaching tank through a pipeline; the liquid outlets of the first purifying and pulping tank and the second purifying and pulping tank of the purifying system are communicated with the liquid inlet of the acid leaching tank of the comprehensive recovery system through pipelines; liquid outlets of the three purifying slurrying tanks of the purifying system and a liquid outlet of the slag separating filter of the comprehensive recovery system are communicated with a liquid inlet of the mixing tank through pipelines; the liquid outlet of the mixing tank is communicated with the liquid inlet of the pressure filter through a pipeline, and the liquid outlet of the pressure filter is communicated with the liquid inlet of the leaching tank through a pipeline.
2. The comprehensive recovery system of wet-process zinc smelting waste residue of claim 1, wherein the purification system comprises an activated carbon storage tank, the supernatant mixing tank, a supernatant filter press, the filter residue slurrying tank, a zinc powder storage tank, a clean reaction tank, a clean filter press, the clean slurrying tank, a cobalt and nickel removing agent storage tank, a clean reaction tank, a clean filter press, a clean slurrying tank and a zinc liquid storage tank; the discharge hole of the active carbon storage tank is communicated with the feed inlet of the supernatant fluid mixing tank, the liquid outlet of the supernatant fluid mixing tank is communicated with the liquid inlet of the supernatant fluid pressure filter through a pipeline, and the slag outlet of the supernatant fluid pressure filter and the water source are both communicated with the inlet of the filter residue slurrying tank through pipelines; the liquid outlet of the middle supernatant filter press and the discharge hole of the zinc powder storage tank are both communicated with the inlet of the clean reaction tank; the liquid outlet of the net reaction tank is communicated with the liquid inlet of the net filter press through a pipeline; the slag outlet of the net filter press and the water source are both communicated with the inlet of the net slurrying tank through a pipeline; the liquid outlet of the first net filter press and the discharge hole of the zinc powder storage tank are both communicated with the inlet of the second net reaction tank; the liquid outlet of the second net reaction tank is communicated with the liquid inlet of the second net filter press through a pipeline; the slag outlet of the two-net filter press and the water source are both communicated with the inlet of the two-net slurrying tank through a pipeline; the liquid outlets of the two clean press filters and the discharge hole of the cobalt and nickel removing medicament storage tank are communicated with the inlet of the three clean reaction tanks; the liquid outlet of the three-net reaction tank is communicated with the liquid inlet of the three-net filter press through a pipeline; the slag outlet of the three-net filter press and the water source are both communicated with the inlet of the three-net slurrying tank through a pipeline; the liquid outlets of the three-net filter press are communicated with the liquid inlet of the zinc liquid storage tank through a pipeline.
3. The comprehensive recovery system of the wet-process zinc smelting waste residues as claimed in claim 2, wherein the comprehensive recovery system comprises the acidic leaching tank, a first filter, a reactor, the residue isolating filter, a cadmium residue storage tank, an acid washing tank, a second filter, a water washing tank, a copper residue filter and a copper residue storage tank; the liquid outlet of the acidic leaching tank is communicated with the liquid inlet of the first filter through a pipeline, and the liquid outlet of the first filter and the discharge hole of the zinc powder storage tank are both communicated with the inlet of the reactor; the liquid outlet of the reactor is communicated with the liquid inlet of the slag separation filter through a pipeline, and the slag outlet of the slag separation filter is communicated with the feed inlet of the cadmium slag storage tank through a pipeline; the slag outlet of the first filter is communicated with the liquid inlet of the pickling tank through a pipeline; the liquid outlet of the pickling tank is communicated with the liquid inlet of the second filter through a pipeline; the slag outlet of the second filter and the water source are both communicated with the liquid inlet of the rinsing bath through pipelines; the liquid outlet of the rinsing bath is communicated with the liquid inlet of the copper slag filtering machine through a pipeline, and the slag outlet of the copper slag filtering machine is communicated with the feed inlet of the copper slag storage tank through a pipeline; and the liquid outlet of the copper slag filtering machine and the liquid outlet of the second filtering machine are communicated with the liquid inlet of the leaching tank through pipelines.
4. The comprehensive recovery system of wet-process zinc smelting waste residues according to any one of claims 1 to 3, characterized by further comprising a cobalt-nickel residue washing tank, a cobalt-nickel residue filter press and a cobalt-nickel residue storage tank; the slag outlet of the filter press and the water source are both communicated with the inlet of the cobalt-nickel slag washing tank through a pipeline; the liquid outlet of cobalt nickel sediment water washing tank with the inlet of cobalt nickel sediment pressure filter passes through the pipeline intercommunication, the liquid outlet of cobalt nickel sediment pressure filter with the inlet pipeline intercommunication of leaching tank, the slag notch of cobalt nickel sediment pressure filter with the slag inlet intercommunication of cobalt nickel sediment storage tank.
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| CN201922009879.7U CN210945809U (en) | 2019-11-19 | 2019-11-19 | Comprehensive recovery system of wet-process zinc smelting waste residues |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114472881A (en) * | 2021-12-30 | 2022-05-13 | 深圳市中金岭南有色金属股份有限公司丹霞冶炼厂 | Zinc powder activated slurry and preparation method thereof, impurity removal method and impurity removal device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114472881A (en) * | 2021-12-30 | 2022-05-13 | 深圳市中金岭南有色金属股份有限公司丹霞冶炼厂 | Zinc powder activated slurry and preparation method thereof, impurity removal method and impurity removal device |
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