CN211848090U - Zinc-containing dust wet recovery system - Google Patents
Zinc-containing dust wet recovery system Download PDFInfo
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- CN211848090U CN211848090U CN202020464938.XU CN202020464938U CN211848090U CN 211848090 U CN211848090 U CN 211848090U CN 202020464938 U CN202020464938 U CN 202020464938U CN 211848090 U CN211848090 U CN 211848090U
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- zinc
- alkali liquor
- containing dust
- recovery system
- wet recovery
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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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Abstract
The utility model relates to a zinc-containing dust wet recovery system, which comprises a dissolving tank, a zinc-containing solution and a zinc-containing solution, wherein the dissolving tank is suitable for mixing the zinc-containing dust and alkali liquor; the alkali liquor tank is suitable for storing alkali liquor so as to convey the alkali liquor to the dissolving tank; the filter press is suitable for carrying out filter pressing on the zinc-containing solution so as to separate the zinc-containing alkali liquor and the leaching residue; the electrolytic bath is suitable for electrolyzing the zinc-containing alkali liquor to separate electrolytic zinc. The wet recovery method is adopted, so that the method is relatively pyrogenic, the equipment investment and the occupied area are small, and the process and the operation are simple.
Description
Technical Field
The utility model relates to an environmental protection field, concretely relates to zinciferous dust wet process recovery system.
Background
At present, when heavy metal sludge is treated in a smelting furnace in a recycling manner, zinc in the sludge enters flue gas due to low boiling point at high temperature, and forms zinc-containing dust with other impurities in a bag-type dust removal process, and the dust is generally disposed outside as hazardous waste, so that the production cost of enterprises is increased. Meanwhile, zinc recovery is not carried out on the part of materials by enterprises, and the waste of resources is avoided.
For the treatment of zinc-containing dust, the recovery mainly depends on a pyrogenic process, for example, in patent document CN 110564970a, it relates to a process for recovering potassium, sodium and zinc from blast furnace cloth bag ash, which is the collected dust removed by blast furnace gas dry cloth bag treatment, is a high-temperature mixture of iron ore powder, coke, lime and other iron-making furnace burden, and mainly recovers zinc from iron-containing dust.
In the pyrogenic smelting of heavy metal sludge, the zinc-containing dust amount generated by the process is relatively small, the pyrogenic recovery is not facilitated, the investment of pyrogenic recovery equipment is large, the process is complex, the occupied area is large, and the technical requirement of enterprises for treating self-production hazardous waste cannot be well met.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, the zinc-containing dust wet recovery system is provided, and the problems of large equipment investment, complex process and large occupied area in the existing pyrogenic process for recovering zinc-containing dust are solved.
The utility model provides a technical scheme that its technical problem adopted is:
a zinc-containing dust wet recovery system comprises
The dissolving tank is suitable for mixing the zinc-containing dust and the alkali liquor into a zinc-containing solution;
the alkali liquor tank is suitable for storing alkali liquor so as to convey the alkali liquor to the dissolving tank;
the filter press is suitable for carrying out filter pressing on the zinc-containing solution so as to separate the zinc-containing alkali liquor and the leaching residue;
the electrolytic bath is suitable for electrolyzing the zinc-containing alkali liquor to separate electrolytic zinc.
Further, the zinc-containing dust wet recovery system also comprises a screw conveyor which is suitable for conveying the zinc-containing dust into the dissolving tank.
Further, the filter press is a membrane filter press.
Furthermore, in the electrolytic cell, a cathode adopts a stainless steel electrode, and an anode adopts a titanium plate electrode.
Further, the zinc-containing dust wet recovery system also comprises a slag bin which is suitable for collecting leached slag discharged from the filter press.
The utility model has the advantages that:
the utility model provides a zinciferous dust wet process recovery system adopts wet process recovery, relative pyrogenic process, and equipment investment is little with taking up an area of, technology and easy operation.
The wet recovery system can meet the requirement of self-construction equipment of enterprises, treat self-produced zinc-containing dust in a recycling manner, realize the maximum extraction of metal from the raw sludge, and reduce the production of the enterprises on the whole.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
FIG. 1 is a diagram of the zinc-containing dust wet recovery system of the present invention;
1. a screw conveyor, 2, a dissolving tank, 3, an alkali liquor tank, 4, a filter press, 5, a slag bin, 6 and an electrolytic cell.
Detailed Description
The invention will now be further described with reference to the accompanying drawings. The drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.
As shown in figure 1, the zinc-containing dust wet recovery system comprises a dissolving tank 2, an alkali liquor tank 3, a filter press 4 and an electrolytic bath 6.
The dissolving tank 2 is suitable for mixing zinc-containing dust and alkali liquor into a zinc-containing solution;
the alkali liquor tank 3 is suitable for storing alkali liquor so as to convey the alkali liquor to the dissolving tank 2;
the filter press 4 is suitable for carrying out filter pressing on the zinc-containing solution so as to separate and obtain zinc-containing alkali liquor and leaching residues;
and the electrolytic bath 6 is suitable for electrolyzing the zinc-containing alkali liquor to separate electrolytic zinc.
Specifically, in this embodiment, zinc-containing dust wet recovery system still includes screw conveyer 1, and the feed end of screw conveyer 1 is located the discharge gate of sack dust collector, and the discharge gate of screw conveyer 1 is towards dissolving tank 2, is suitable for the zinc-containing dust input dissolving tank 2.
Specifically, in this embodiment, the filter press 4 is a membrane filter press.
Specifically, in this embodiment, in the electrolytic bath 6, a stainless steel electrode is used as a cathode, and a titanium plate electrode is used as an anode.
Specifically, in this embodiment, the zinc-containing dust wet recovery system further includes a slag bin 5 adapted to collect leaching slag discharged from the filter press 4.
The utility model discloses zinciferous dust wet process recovery system working process does: zinc-containing dust subjected to cloth bag dust removal falls to a screw conveyor 1 and is quantitatively conveyed to a dissolving tank 2 through the screw conveyor 1, alkali liquor is added into the dissolving tank 2 through an alkali liquor tank 3, the alkali liquor and the zinc-containing dust are mixed in the dissolving tank 2, the reaction process is matched with pH, after the alkali dissolution is finished, a zinc-containing solution and leaching residues (impurities insoluble in the alkali liquor) are obtained, the zinc-containing solution is pumped into a filter press 4 for solid-liquid separation, the zinc-containing alkali liquor and the leaching residues (main components are lead and copper) are respectively obtained, the leaching residues fall to a residue bin 5, the zinc-containing alkali liquor enters an electrolytic tank 6 for electrolysis, and electrolytic zinc is obtained after the electrolysis is finished.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. A zinc-containing dust wet recovery system is characterized by comprising
The dissolving tank is suitable for mixing the zinc-containing dust and the alkali liquor into a zinc-containing solution;
the alkali liquor tank is suitable for storing alkali liquor so as to convey the alkali liquor to the dissolving tank;
the filter press is suitable for carrying out filter pressing on the zinc-containing solution so as to separate the zinc-containing alkali liquor and the leaching residue;
the electrolytic bath is suitable for electrolyzing the zinc-containing alkali liquor to separate electrolytic zinc.
2. The zinc containing dust wet recovery system of claim 1 further comprising a screw conveyor adapted to convey the zinc containing dust into the dissolving tank.
3. The zinc-containing dust wet recovery system according to claim 1,
the filter press is a diaphragm filter press.
4. The zinc-containing dust wet recovery system according to claim 1,
in the electrolytic cell, a cathode adopts a stainless steel electrode, and an anode adopts a titanium plate electrode.
5. The zinc-containing dust wet recovery system according to claim 1,
the zinc-containing dust wet recovery system also comprises a slag bin which is suitable for collecting leached slag discharged from the filter press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020464938.XU CN211848090U (en) | 2020-04-02 | 2020-04-02 | Zinc-containing dust wet recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020464938.XU CN211848090U (en) | 2020-04-02 | 2020-04-02 | Zinc-containing dust wet recovery system |
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| CN211848090U true CN211848090U (en) | 2020-11-03 |
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| CN202020464938.XU Active CN211848090U (en) | 2020-04-02 | 2020-04-02 | Zinc-containing dust wet recovery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787088A (en) * | 2021-10-29 | 2021-12-14 | 深圳市龙岗区东江工业废物处置有限公司 | CVD dust treatment method |
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2020
- 2020-04-02 CN CN202020464938.XU patent/CN211848090U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787088A (en) * | 2021-10-29 | 2021-12-14 | 深圳市龙岗区东江工业废物处置有限公司 | CVD dust treatment method |
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