CN209669311U - The system that a kind of low zinc gray dangerous waste object cogeneration of steel is used for electrolytic zinc production - Google Patents
The system that a kind of low zinc gray dangerous waste object cogeneration of steel is used for electrolytic zinc production Download PDFInfo
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- CN209669311U CN209669311U CN201920284133.4U CN201920284133U CN209669311U CN 209669311 U CN209669311 U CN 209669311U CN 201920284133 U CN201920284133 U CN 201920284133U CN 209669311 U CN209669311 U CN 209669311U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The utility model provides a kind of low zinc gray dangerous waste object cogeneration of steel for electrolytic zinc production system comprising slurrying device, the first leaching pressure filtration mechanism, rotary kiln, purification pressure filtration mechanism, electrolysis unit, waste heat boiler, low-temperature generation device；The material outlet of slurrying device is connected to the material inlet of the first leaching pressure filtration mechanism；The sludge outlet of first leaching pressure filtration mechanism is connected to rotary kiln；The filtrate (liquid of first leaching pressure filtration mechanism is connected to the material inlet of the purification pressure filtration mechanism；Purify the electrolyte inlet of the filtrate (liquid connection electrolysis unit of pressure filtration mechanism；The exhanst gas outlet of the rotary kiln is connected to waste heat boiler, provides heat source for the waste heat boiler, the steam (vapor) outlet of the waste heat boiler is connected to low-temperature generation device, and the low-temperature generation device connects the electrolysis unit.After waste heat is converted electric energy by the utility model, for the electric energy of electrolysis unit, the energy is greatly saved, the electric energy supply for producing electrolytic zinc reaches self-sufficient.
Description
Technical field
The utility model relates to electrolytic zinc production energy-saving technical fields, more than a kind of low zinc gray dangerous waste object of steel
System of the heat power generation for electrolytic zinc production.
Background technique
Currently, the flue gas of rotary kiln is mainly the water-cooled jacket for passing through oxidation expansion chamber, by rotary kiln in the production of zinc oxide
High temperature out and the gas containing various partial oxides and dust carry out cooling and heat dissipation separation and continue to aoxidize.It then will be high
(500-700 DEG C) of wet body passes through several groups (about ten groups or more) herringbone tube's radiating and cooling, when reaching outlet, temperature Ying Buchao
160 DEG C are crossed, to realize that outlet air temperature is lower than 160 DEG C, usually can also increase heat by the method for deepening herringbone tube seat water level
Absorption, to avoid excessively high temperature to bag filter generate damage.
From the foregoing, it will be observed that the rotary kiln of the prior art, fume afterheat damage, and consuming is more, causes great energy waste.
Based on this, the prior art still has much room for improvement.
Utility model content
The utility model technical problem to be solved is to provide a kind of system that emergency generator is used for electrolytic zinc production energy-saving,
To solve problem of the prior art.
To solve the above-mentioned problems, the utility model provides a kind of low zinc gray dangerous waste object cogeneration of steel for electrolytic zinc
The system of production, the technical solution taken are as follows:
On the one hand, the utility model embodiment discloses a kind of electrolytic zinc production method, includes the following steps:
Zinc gray, cadmia and/or tutty are carried out pulp processing by step 1 in slurrying device, obtain pulp mine liquid；
Ammonium hydrogen carbonate and sodium bicarbonate will be added in step 2 in the pulp mine liquid, carry out in the first leaching pressure filtration mechanism
After leaching, filters pressing, the first filtrate and the first filter residue are obtained；
Zinc powder or zinc granule are added in first filtrate described in step three-dimensional, carries out purification and filters pressing in purification pressure filtration mechanism
Afterwards, the 4th filtrate and the 4th filter residue are obtained；First filter residue and low zinc blast furnace ash and coke powder are passed through in rotary kiln
Reason；
4th filtrate is passed through in electrolysis unit and carries out electrolysis processing by step 4, obtain electrolytic zinc, electrolysis waste solution and
Electrolytic waste slag；
Wherein, the exhanst gas outlet of the rotary kiln is passed through waste heat boiler and exchanges heat, and the steam of the waste heat boiler is passed through
Low-temperature generation device power generation, the electric energy that the low-temperature generation device generates enter the electrolytic cell of electrolysis unit.
Further, in step 3, the second leaching pressure filtration mechanism is added in first filter residue and carries out secondary leaching and pressure
After filter, the second obtained filter residue, which is added in rotary kiln, to be handled, and the second filtrate is incorporated to the first filtrate and carries out purification and filters pressing.
Further, in step 3, first zinc granule or zinc powder will be added in first filtrate, carry out filters pressing after slightly purifying,
Third filtrate and third filter residue are obtained, ultrapure thin zinc powder is added in Xiang Suoshu third filtrate, filters pressing after double purification is carried out, obtains
4th filtrate and the 4th filter residue.
Further, the electrolysis waste solution is passed through slurrying device；Institute's electrolytic waste slag is passed through rotary kiln.
Further, the exhanst gas outlet of the rotary kiln is connected to bag-type dust after through the residual heat boiler for exchanging heat
Device is dusted processing, and the gas connection after dedusting to desulfurizer carries out desulfurization process；By the dust of the bag filter
It exports obtained tutty and the slurrying device is added.
Further, in step 2, the zinc gray, cadmia and/or tutty raw material are according to solid-to-liquid ratio 1:(3~5) slurry
Change；The ammonium hydrogen carbonate and sodium bicarbonate are with mass ratio 3:1 according to adding the zinc gray, cadmia and/or thick oxidation in step 1
The 4~10% of zinc material quality are added.
Further, obtained third filter residue and the 4th filter residue are passed through lead recovery circuit recycling lead.
Further, when rotary kiln is handled, low zinc blast furnace ash and coke powder are put into according to volume ratio 7:3, second filter residue
Rotary kiln processing is added according to the 5%~10% of processing material total amount.
The utility model embodiment discloses a kind of low zinc gray dangerous waste object cogeneration of steel for electrolytic zinc production
System comprising:
Slurrying device, the first leaching pressure filtration mechanism, rotary kiln, purification pressure filtration mechanism, electrolysis unit, waste heat boiler, low temperature
Power generator；Wherein,
The material outlet of the slurrying device is connected to the material inlet of the first leaching pressure filtration mechanism；
The sludge outlet of the first leaching pressure filtration mechanism is connected to rotary kiln；
The filtrate (liquid of the first leaching pressure filtration mechanism is connected to the material inlet of the purification pressure filtration mechanism；
The filtrate (liquid of the purification pressure filtration mechanism is connected to the electrolyte inlet of the electrolysis unit；
The exhanst gas outlet of the rotary kiln is connected to waste heat boiler, provides heat source, the waste heat pot for the waste heat boiler
The steam (vapor) outlet of furnace is connected to low-temperature generation device, and the low-temperature generation device connects the electrolysis unit.
Further, the first leaching pressure filtration mechanism includes first leaching device and the first filter-pressing device, wherein
The material outlet of the slurrying device is connected to the material inlet of the first leaching device, the first leaching device
Material outlet be connected to first filter-pressing device, the sludge outlet of first filter-pressing device is connected to the rotary kiln,
The filtrate (liquid of first filter-pressing device is connected to the material inlet of the purification pressure filtration mechanism.
Further, the purification pressure filtration mechanism includes thick purification device, third filter-pressing device, double purification device and
Four filter-pressing devices, wherein
The material inlet of the thick purification device is connected to the filtrate (liquid of the first leaching pressure filtration mechanism, and described thick net
Makeup, which is set, is additionally provided with thick Purifying Zinc import, for being passed through zinc granule or zinc powder into the thick purification device；
The material outlet of the thick purification device is connected to the material inlet of the third filter-pressing device, the third filters pressing
The filtrate (liquid of device is connected to the material inlet of the double purification device, the material outlet connection of the double purification device
To the 4th filter-pressing device, the filtrate (liquid of the 4th filter-pressing device is connected to electrolysis unit；
Double purification zinc import is provided on the double purification device, it is super for being passed through into the double purification device
Pure thin zinc powder.
It further, further include the second leaching pressure filtration mechanism, the material inlet of the second leaching pressure filtration mechanism is connected to institute
The sludge outlet of the first leaching pressure filtration mechanism is stated, the sludge outlet of the second leaching pressure filtration mechanism is connected to the rotary kiln.
Further, the second leaching pressure filtration mechanism includes secondary leaching device and the second filter-pressing device, wherein described
The material inlet of secondary leaching device is connected to the sludge outlet of the first leaching pressure filtration mechanism, the object of the secondary leaching device
Expect that the material inlet of outlet to second filter-pressing device, the sludge outlet of second filter-pressing device are connected to described return
Rotary kiln.
Further, the exhanst gas outlet of the rotary kiln is connected to bag-type dust after through the residual heat boiler for exchanging heat
The gas vent of device, the bag filter is connected to desulfurizer；
The dust export of the bag filter is connected to the slurrying device.
Further, it is additionally provided with ammonium bicarbonate feed inlet on the first leaching device, be used for the first leaching device
Interior addition ammonium hydrogen carbonate and sodium bicarbonate.
Further, the sludge outlet of the third filter-pressing device is connected to the sludge outlet of the 4th filter-pressing device
To lead recovery circuit.
Further, the waste residue outlet of the electrolysis unit is connected to the rotary kiln.
Further, the waste liquid outlet of the electrolysis unit is connected to the slurrying device；It is also set up on the rotary kiln
There are low zinc blast furnace ash and coke powder import.
The beneficial effects of the utility model are:
The utility model carries out at waste heat recycling the high-temperature flue gas of rotary kiln by waste heat boiler and low-temperature generation device
Reason, after converting electric energy for waste heat, for the electric energy of electrolysis unit, is greatly saved the energy, and the electric energy for producing electrolytic zinc supplies
To reaching self-sufficient as far as possible.
Detailed description of the invention
Fig. 1 is the electrolytic zinc flow sheet of the utility model；
Fig. 2 is the electrolytic zinc operation system structure schematic diagram of the utility model.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.
As shown in Figure 1, the utility model embodiment discloses a kind of low zinc gray dangerous waste object cogeneration of steel for being electrolysed
The method of zinc production, includes the following steps:
Zinc gray, cadmia and/or tutty are carried out pulp processing by step 1 in slurrying device, obtain pulp mine liquid,
The zinc gray, cadmia and/or tutty raw material are according to the pulp of solid-to-liquid ratio 1:3~5；
Ammonium hydrogen carbonate and sodium bicarbonate will be added in step 2 in the pulp mine liquid, carry out in the first leaching pressure filtration mechanism
After leaching, filters pressing, the first filtrate and the first filter residue are obtained；Wherein, the mass ratio of the ammonium hydrogen carbonate and sodium bicarbonate is 3:1,
Additional amount is the 4%-10% of pulp mine liquid quality；
Zinc is added in first filtrate described in step three-dimensional, after carrying out purification and filters pressing in purification pressure filtration mechanism, obtains the
Four filtrates and the 4th filter residue；First filter residue and low zinc blast furnace ash and coke powder are passed through in rotary kiln and are handled；
Wherein, first filter residue is added after the second leaching pressure filtration mechanism carries out secondary leaching and filters pressing, the obtained
Two filter residues are added in rotary kiln and are handled, and additional amount is the 5%-10% that rotary kiln handles gross mass；When rotary kiln processing, together
When be added low zinc blast furnace ash and coke powder, the volume ratio of low zinc blast furnace ash and coke powder is 7:3.First zinc will be added in first filtrate
Grain or zinc powder carry out filters pressing after slightly purifying, obtain third filtrate and third filter residue, ultrapure thin zinc is added in Xiang Suoshu third filtrate
Powder carries out filters pressing after double purification, obtains the 4th filtrate and the 4th filter residue.
4th filtrate is passed through in electrolysis unit and carries out electrolysis processing by step 4, obtain electrolytic zinc, electrolysis waste solution and
Electrolytic waste slag；
Wherein, the exhanst gas outlet of the rotary kiln is passed through waste heat boiler and exchanges heat, and the steam of the waste heat boiler is passed through
Low-temperature generation device power generation, the electric energy that the low-temperature generation device generates enter the electrolytic cell of electrolysis unit.It preferably, will be described
Electrolysis waste solution is passed through slurrying device；Institute's electrolytic waste slag is passed through rotary kiln.The exhanst gas outlet of the rotary kiln is by described remaining
It after heat boiler heat exchange, is connected to bag filter and is dusted processing, the gas connection after dedusting to desulfurizer carries out desulfurization
Processing；The slurrying device is added in the tutty that the dust export of the bag filter is obtained.Obtained third is filtered
Slag and the 4th filter residue are passed through lead recovery circuit recycling lead.
It is used for as shown in Fig. 2, the embodiments of the present invention also disclose a kind of low zinc gray dangerous waste object cogeneration of steel
The system of electrolytic zinc production comprising slurrying device, the first leaching pressure filtration mechanism, rotary kiln, purification pressure filtration mechanism, electrolysis dress
It sets, waste heat boiler, low-temperature generation device；Wherein, the material outlet connection of the slurrying device the first leaching pressure filtration mechanism
Material inlet；The sludge outlet of the first leaching pressure filtration mechanism is connected to rotary kiln；The first leaching pressure filtration mechanism
Filtrate (liquid is connected to the material inlet of the purification pressure filtration mechanism；The filtrate (liquid of the purification pressure filtration mechanism is connected to the electricity
Solve the electrolyte inlet of device；The exhanst gas outlet of the rotary kiln is connected to waste heat boiler, provides heat source for the waste heat boiler,
The steam (vapor) outlet of the waste heat boiler is connected to low-temperature generation device, and the low-temperature generation device connects the electrolysis unit.
In some embodiments of the utility model, the first leaching pressure filtration mechanism includes first leaching device and the first pressure
Filter device, wherein the material outlet of the slurrying device is connected to the material inlet of the first leaching device, the first leaching
The material outlet of device is connected to first filter-pressing device, and the sludge outlet of first filter-pressing device is connected to the revolution
Kiln, the filtrate (liquid of first filter-pressing device are connected to the material inlet of the purification pressure filtration mechanism.
In some embodiments of the utility model, the purification pressure filtration mechanism include thick purification device, third filter-pressing device,
Double purification device and the 4th filter-pressing device, wherein
The material inlet of the thick purification device is connected to the filtrate (liquid of the first leaching pressure filtration mechanism, and described thick net
Makeup, which is set, is additionally provided with thick Purifying Zinc import, for being passed through zinc granule or zinc powder into the thick purification device；
The material outlet of the thick purification device is connected to the material inlet of the third filter-pressing device, the third filters pressing
The filtrate (liquid of device is connected to the material inlet of the double purification device, the material outlet connection of the double purification device
To the 4th filter-pressing device, the filtrate (liquid of the 4th filter-pressing device is connected to electrolysis unit；
Double purification zinc import is provided on the double purification device, it is super for being passed through into the double purification device
Pure thin zinc powder.
It further include the second leaching pressure filtration mechanism on the basis of the above embodiments in some embodiments of the utility model,
The material inlet of the second leaching pressure filtration mechanism is connected to the sludge outlet of the first leaching pressure filtration mechanism, second leaching
The sludge outlet of pressure filtration mechanism is connected to the rotary kiln.
In some embodiments of the utility model, the second leaching pressure filtration mechanism includes secondary leaching device and the second pressure
Filter device, wherein the material inlet of the secondary leaching device is connected to the sludge outlet of the first leaching pressure filtration mechanism, described
The material outlet of secondary leaching device is connected to the material inlet of second filter-pressing device, the filter residue of second filter-pressing device
Outlet is to the rotary kiln.
In some embodiments of the utility model, the exhanst gas outlet of the rotary kiln is passing through the residual heat boiler for exchanging heat
Afterwards, it is connected to bag filter, the gas vent of the bag filter is connected to desulfurizer；The ash of the bag filter
Dirt outlet is to the slurrying device.It is additionally provided with ammonium bicarbonate feed inlet on the first leaching device, is used for described first
Ammonium hydrogen carbonate and sodium bicarbonate are added in leaching device.The sludge outlet of the third filter-pressing device and the 4th filter-pressing device
Sludge outlet be connected to lead recovery circuit.The waste residue outlet of the electrolysis unit is connected to the rotary kiln.The electrolysis
The waste liquid outlet of device is connected to the slurrying device；Low zinc blast furnace ash and coke powder import are additionally provided on the rotary kiln.
Embodiment 1
The method that a kind of low zinc gray dangerous waste object cogeneration of steel is used for electrolytic zinc production, by zinc gray, cadmia, tutty
Pulp is carried out in pulp pond or pulp tank, the ammonium bicarbonate (mass ratio of ammonium hydrogen carbonate and sodium bicarbonate is added in the mine liquid after pulp
It is leached in leaching tanks for 3:1), mechanical stirring is carried out in leaching process, press filteration system is entered after stirring, is divided into the first filter
Liquid and the first filter residue；By the secondary leaching of the first filter residue, filters pressing is carried out, the second filter residue after filters pressing enters rotary kiln, in the first filter
Zinc granule is added in liquid or zinc powder is slightly purified, secondary filters pressing after thick purification；Wherein, the third filter residue after secondary filters pressing is height
Lead skim, high lead slag enter lead recovery circuit, and ultrapure thin zinc powder is added in the third filtrate after secondary filters pressing, carry out secondary purifying
Change；Filters pressing three times is carried out after double purification, the 4th filter residue after filters pressing is lead cadmium slag three times, and lead cadmium slag is sent into lead recovery circuit；
The 4th filtrate after filters pressing enters electrolytic cell three times, obtains electrolytic zinc；Electrolysis waste solution is back to pulp pond or pulp tank；, electrolysis
Waste residue afterwards enters rotary kiln；Low zinc blast furnace ash and reducing agent coke powder are added in rotary kiln, is set at the kiln hood of rotary kiln
Neat gas burner or coke-stove gas are set, for giving rotary kiln additional heat；The high-temperature flue gas of rotary kiln enters waste heat
Boiler send steam to low-temperature electricity-generating unit system so that waste heat boiler generates steam；The steam is used for cryogenerator
Steam turbine in group system provides power, and the electric energy that low-temperature electricity-generating unit system generates enters electrolytic cell；The flue gas of waste heat boiler
Into in bagroom, tutty is back in pulp pond or pulp tank, removes by the dust tail tutty being collected into
Gas after dirt carries out qualified discharge after entering desulfurizing tower.
In conclusion the utility model embodiment removes expansion chamber in the prior art and herringbone tube seat, it is changed to remaining
Heat boiler and power generator, waste heat boiler can produce steam, collect oxide and dust, and can be in waste heat boiler and economizer
Between the out of stock device of SCR is set, make tail gas meet the requirement of environmental protection, not only can solve the out of stock environmental issue of tail gas, but also can be electric
It solves device and electric energy is provided, the electric energy of zinc oxide production system is made to reach self-sufficient.
Embodiment of above is merely to illustrate the utility model, and is not limitation of the utility model, related technology neck
The those of ordinary skill in domain, in the case where not departing from the spirit and scope of the utility model, can also make a variety of changes and
Modification, therefore all equivalent technical solutions also belong to the scope of the utility model, the scope of patent protection of the utility model is answered
It is defined by the claims.
Claims (10)
1. the system that a kind of low zinc gray dangerous waste object cogeneration of steel is used for electrolytic zinc production characterized by comprising
Slurrying device, the first leaching pressure filtration mechanism, rotary kiln, purification pressure filtration mechanism, electrolysis unit, waste heat boiler, low-temperature electricity-generating
Device；Wherein,
The material outlet of the slurrying device is connected to the material inlet of the first leaching pressure filtration mechanism；
The sludge outlet of the first leaching pressure filtration mechanism is connected to rotary kiln；
The filtrate (liquid of the first leaching pressure filtration mechanism is connected to the material inlet of the purification pressure filtration mechanism；
The filtrate (liquid of the purification pressure filtration mechanism is connected to the electrolyte inlet of the electrolysis unit；
The exhanst gas outlet of the rotary kiln is connected to waste heat boiler, provides heat source for the waste heat boiler, the waste heat boiler
Steam (vapor) outlet is connected to low-temperature generation device, and the low-temperature generation device connects the electrolysis unit.
2. system according to claim 1, which is characterized in that the first leaching pressure filtration mechanism includes first leaching device
With the first filter-pressing device, wherein
The material outlet of the slurrying device is connected to the material inlet of the first leaching device, the object of the first leaching device
Outlet is expected to first filter-pressing device, and the sludge outlet of first filter-pressing device is connected to the rotary kiln, described
The filtrate (liquid of first filter-pressing device is connected to the material inlet of the purification pressure filtration mechanism.
3. system according to claim 1, which is characterized in that the purification pressure filtration mechanism includes thick purification device, third
Filter-pressing device, double purification device and the 4th filter-pressing device, wherein
The material inlet of the thick purification device is connected to the filtrate (liquid of the first leaching pressure filtration mechanism, and the thick purification dress
It sets and is additionally provided with thick Purifying Zinc import, for being passed through zinc granule or zinc powder into the thick purification device；
The material outlet of the thick purification device is connected to the material inlet of the third filter-pressing device, the third filter-pressing device
Filtrate (liquid be connected to the material inlet of the double purification device, the material outlet of the double purification device is connected to institute
The 4th filter-pressing device is stated, the filtrate (liquid of the 4th filter-pressing device is connected to electrolysis unit；
Double purification zinc import is provided on the double purification device, it is ultrapure thin for being passed through into the double purification device
Zinc powder.
4. system according to claim 1, which is characterized in that it further include the second leaching pressure filtration mechanism, second leaching
The material inlet of pressure filtration mechanism is connected to the sludge outlet of the first leaching pressure filtration mechanism, the filter of the second leaching pressure filtration mechanism
Slag outlet is to the rotary kiln.
5. system according to claim 4, which is characterized in that the second leaching pressure filtration mechanism includes secondary leaching device
With the second filter-pressing device, wherein the material inlet of the secondary leaching device is connected to the filter residue of the first leaching pressure filtration mechanism
Outlet, the material outlet of the secondary leaching device are connected to the material inlet of second filter-pressing device, second filters pressing
The sludge outlet of device is connected to the rotary kiln.
6. system according to claim 1, which is characterized in that the exhanst gas outlet of the rotary kiln is passing through the waste heat pot
After furnace heat exchange, it is connected to bag filter, the gas vent of the bag filter is connected to desulfurizer；
The dust export of the bag filter is connected to the slurrying device.
7. system according to claim 2, which is characterized in that be additionally provided with ammonium bicarbonate charging on the first leaching device
Mouthful, for ammonium hydrogen carbonate and sodium bicarbonate to be added into the first leaching device.
8. system according to claim 3, which is characterized in that the sludge outlet of the third filter-pressing device and the described 4th
The sludge outlet of filter-pressing device is connected to lead recovery circuit.
9. system according to claim 1, which is characterized in that the waste residue outlet of the electrolysis unit is connected to the revolution
Kiln.
10. system according to claim 1, which is characterized in that the waste liquid outlet of the electrolysis unit is connected to the slurry
Makeup is set；Low zinc blast furnace ash and coke powder import are additionally provided on the rotary kiln.
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| CN201821957274X | 2018-11-26 | ||
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109797280A (en) * | 2018-11-26 | 2019-05-24 | 山西锌创研环境科技有限公司 | The low zinc gray dangerous waste object cogeneration of steel is used for the method and system of electrolytic zinc production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109797280A (en) * | 2018-11-26 | 2019-05-24 | 山西锌创研环境科技有限公司 | The low zinc gray dangerous waste object cogeneration of steel is used for the method and system of electrolytic zinc production |
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