CN102605180A - Method for treating zinc sulfide concentrate powder - Google Patents
Method for treating zinc sulfide concentrate powder Download PDFInfo
- Publication number
- CN102605180A CN102605180A CN2012101209496A CN201210120949A CN102605180A CN 102605180 A CN102605180 A CN 102605180A CN 2012101209496 A CN2012101209496 A CN 2012101209496A CN 201210120949 A CN201210120949 A CN 201210120949A CN 102605180 A CN102605180 A CN 102605180A
- Authority
- CN
- China
- Prior art keywords
- zinc sulfide
- sulfide concentrates
- treatment process
- concentrates powder
- acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a method for treating zinc sulfide concentrate powder. The method comprises the steps of: a) carrying out size mixing on the zinc sulfide concentrate powder in a first operation tank to obtain slurry; b) adjusting acid liquor in a second operation tank so as to obtain material acid; and c) respectively adding the slurry obtained in the step a) and the material acid obtained in the step b) into an autoclave for pressure leaching. The method for treating the zinc sulfide concentrate powder according to the embodiment of the invention is simple in principle, high in feasibility and remarkable in effects.
Description
Technical field
The invention belongs to the nonferrous metallurgy field, separate method into still in particular to a kind of leaching acid that is used to pressurize, ore deposit.
Background technology
Handle in the zinc sulfide concentrates process at pressurized acid leaching, it is an important production process that the ore pulp for preparing and acid solution are pumped in the autoclave.Ore pulp and acid solution can in autoclave, pumping into of stable and continuous be one of essential condition that guarantees the operation of autoclave continuous production.Adopt in process of production earlier ore pulp and acid solution mixed preparing in operation slot and just pump in the autoclave after good.Wherein there is following problem:
The first, when zinc sulfide concentrates and acid solution mixed, the generation hydrogen sulfide reacted.
The second, in process of production, hydrogen sulfide is to operation slot, whipping appts, pump, interchanger, valve and transport pipe heavy corrosion, and duration of service is short.
The 3rd, stink damp is known from experience to come out from operation jar mouth, and causing influences operating environment.
The 4th, influence the pressure leaching process operation of putting into production stably continuously.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least.
For this reason, one object of the present invention is to propose a kind of can the elimination and produces hydrogen sulfide (H
2S) treatment process of the zinc sulfide concentrates powder of gas.
Treatment process according to the zinc sulfide concentrates powder of the embodiment of the invention may further comprise the steps: a) the zinc sulfide concentrates powder is sized mixing in the first operation jar to obtain slip; B) acid solution is carried out acid adjustment to obtain material acid in the second operation jar; C) slip of step a) gained and the material acid of step b) gained are added respectively in the autoclave with the leaching of pressurizeing.
According to the treatment process of the zinc sulfide concentrates powder of the embodiment of the invention, the zinc sulfide concentrates powder is sized mixing in the first operation jar, and acid solution is carried out acid adjustment in the second operation jar, add the leaching of pressurizeing in the autoclave then respectively, can eliminate to produce H
2S gas, thus can removal of hydrogen sulfide gas to the heavy corrosion of operation slot, whipping appts, pump, interchanger, valve and transport pipe etc.
In addition, the treatment process of zinc sulfide concentrates powder according to the above embodiment of the present invention can also have following additional technical characterictic:
The treatment process of zinc sulfide concentrates powder according to an embodiment of the invention also comprises: before said material acid adds autoclave, be preheated to preset temperature.
Advantageously, the treatment process of zinc sulfide concentrates powder according to an embodiment of the invention, said preset temperature is 80 ℃-125 ℃.
The treatment process of zinc sulfide concentrates powder according to an embodiment of the invention, the granularity of the powder in the said zinc sulfide concentrates powder more than 95% is below 320 orders.
The treatment process of zinc sulfide concentrates powder according to an embodiment of the invention, the concentration of said material oar are 0.3-1 (solid-to-liquid ratio).
The treatment process of zinc sulfide concentrates powder according to an embodiment of the invention, the concentration of said material acid is 110-170g/L.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize through practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
Fig. 1 is the schema of the treatment process of zinc sulfide concentrates powder according to an embodiment of the invention; With
Fig. 2 is the schema of the treatment process of zinc sulfide concentrates powder according to another embodiment of the present invention.
Embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention; It will be appreciated that; The orientation of indications such as term " " center ", " vertically ", " laterally ", " on ", D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " or position relation are for based on orientation shown in the drawings or position relation; only be to describe with simplifying for the ease of describing the present invention; rather than the device or the element of indication or hint indication must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " only are used to describe purpose, and can not be interpreted as indication or hint relative importance.
In description of the invention, need to prove that only if clear and definite regulation and qualification are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected, connect integratedly, also can be to removably connect; Can be mechanical connection or electrical connection, also can be the connection of two element internals; Can be directly to link to each other, also can link to each other indirectly, for those of ordinary skill in the art, can understand the concrete implication of above-mentioned term as the case may be through intermediary.
Describe treatment process in detail with reference to accompanying drawing below according to the zinc sulfide concentrates powder of the embodiment of the invention.
Shown in Fig. 1-2, the treatment process according to the zinc sulfide concentrates powder of the embodiment of the invention may further comprise the steps:
A) the zinc sulfide concentrates powder is sized mixing to obtain slip in the first operation jar.For example, can be that the zinc sulfide concentrates powder that accounts for below 320 orders more than 95% is sized mixing in the first operation jar with powder granularity, the concentration of slip can be controlled in 0.3-1 (solid-to-liquid ratio) scope, and is subsequent use.
B) acid solution is carried out acid adjustment to obtain material acid in the second operation jar.For example, sulfuric acid is carried out acid adjustment in the second operation jar, the concentration of material acid can be controlled in the scope of 110-170g/L, and is subsequent use.
C) slip of step a) gained and the material acid of step b) gained are added respectively in the autoclave with the leaching of pressurizeing.
According to the treatment process of the zinc sulfide concentrates powder of the embodiment of the invention, zinc sulfide concentrates powder and acid solution were carried out pre-treatment respectively in the first and second operation jars before adding autoclave, thereby eliminated H
2The generation of S gas, and then avoided H
2S gas in the work-ing life of having improved equipment, has reduced production cost to the heavy corrosion of equipment such as operation slot, whipping appts, pump, interchanger, valve and transport pipe.And, the H of operation field
2S gas odor eliminating has been improved operating environment greatly.Simultaneously; Zinc sulfide concentrates powder and acid solution were carried out pre-treatment respectively in the first and second operation jars before adding autoclave, slip is stable with the proterties of material acid, and autoclave can be realized continuous dosing; Making pressurization leach the production technique equilibrium operation of putting into production stably, having improved production efficiency.
According to one embodiment of present invention, as shown in Figure 2, the treatment process of said zinc sulfide concentrates powder also comprises pre-heating step, promptly before material acid adds autoclave, it is preheated to preset temperature, for example can be 80 ℃-125 ℃.Thus, can improve slip and the pressurization leaching efficiency of material acid in autoclave.
According to the treatment process of the zinc sulfide concentrates powder of the embodiment of the invention, principle is simple, and feasibility is strong, and effect is remarkable.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means the concrete characteristic, structure, material or the characteristics that combine this embodiment or example to describe and is contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete characteristic, structure, material or the characteristics of description can combine with suitable manner in any one or more embodiment or example.
Although illustrated and described embodiments of the invention; Those having ordinary skill in the art will appreciate that: under the situation that does not break away from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited claim and equivalent thereof.
Claims (6)
1. the treatment process of a zinc sulfide concentrates powder is characterized in that, may further comprise the steps:
A) the zinc sulfide concentrates powder is sized mixing in the first operation jar to obtain slip;
B) acid solution is carried out acid adjustment to obtain material acid in the second operation jar;
C) slip of step a) gained and the material acid of step b) gained are added respectively in the autoclave with the leaching of pressurizeing.
2. the treatment process of zinc sulfide concentrates powder according to claim 1 is characterized in that, also comprises:
, said material acid is preheated to preset temperature before feeding autoclave.
3. the treatment process of zinc sulfide concentrates powder according to claim 2 is characterized in that, said preset temperature is 80 ℃-125 ℃.
4. the treatment process of zinc sulfide concentrates powder according to claim 1 is characterized in that, the granularity of the powder in the said zinc sulfide concentrates powder more than 95% is below 320 orders.
5. the treatment process of zinc sulfide concentrates powder according to claim 1 is characterized in that, the concentration of said material oar is 0.3-1 (solid-to-liquid ratio).
6. the treatment process of zinc sulfide concentrates powder according to claim 1 is characterized in that, the concentration of said material acid is 110-170g/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101209496A CN102605180A (en) | 2012-04-23 | 2012-04-23 | Method for treating zinc sulfide concentrate powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101209496A CN102605180A (en) | 2012-04-23 | 2012-04-23 | Method for treating zinc sulfide concentrate powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102605180A true CN102605180A (en) | 2012-07-25 |
Family
ID=46522940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101209496A Pending CN102605180A (en) | 2012-04-23 | 2012-04-23 | Method for treating zinc sulfide concentrate powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102605180A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101591733A (en) * | 2009-06-22 | 2009-12-02 | 云南永昌铅锌股份有限公司 | Precipitating alum and removing iron method in the high-iron zinc sulfide concentrate pressurized acid leaching still |
| CN102134654A (en) * | 2010-01-21 | 2011-07-27 | 云南冶金集团股份有限公司 | Treatment method of zinc sulfide ore concentrates |
-
2012
- 2012-04-23 CN CN2012101209496A patent/CN102605180A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101591733A (en) * | 2009-06-22 | 2009-12-02 | 云南永昌铅锌股份有限公司 | Precipitating alum and removing iron method in the high-iron zinc sulfide concentrate pressurized acid leaching still |
| CN102134654A (en) * | 2010-01-21 | 2011-07-27 | 云南冶金集团股份有限公司 | Treatment method of zinc sulfide ore concentrates |
Non-Patent Citations (2)
| Title |
|---|
| 徐静等: "氧压酸浸中分散剂对硫的影响", 《稀有金属》, vol. 34, 31 December 2010 (2010-12-31), pages 84 - 87 * |
| 谢克强等: "硫化锌精矿加压浸出时H2S的生成及影响", 《有色金属（冶炼部分）》, no. 5, 31 December 2007 (2007-12-31) * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102417979B (en) | Processing method of zinc sulfide concentrate | |
| CN102690947A (en) | Smelting process of silver concentrate | |
| CN105087927A (en) | Method for increasing leaching rate of zinc and indium in second zinc oxide | |
| CN104630469A (en) | Method and device for jointly removing organic matters and magnesium ions in zinc sulfate solution | |
| CN102206834B (en) | Method for directly producing electrolytic nickel by using low nickel matte | |
| CN102605180A (en) | Method for treating zinc sulfide concentrate powder | |
| RU2741038C1 (en) | Method and device for melting copper with complex processing of slag | |
| CN103060842A (en) | Method for preparing electrodeposited cobalt under large flow | |
| CN103498051A (en) | Method for recovering copper and nickel from nickel-iron-copper alloy waste | |
| CN102002586A (en) | Nickel-containing high-cobalt sulfide leaching technology | |
| CN106995886A (en) | A kind of silicate-type aoxidizes the Rapid Leaching method of lead concentrate | |
| CN202022800U (en) | Sulfate wastewater reclamation device | |
| CN115948662A (en) | Method for leaching sulfide minerals | |
| Rashev et al. | Metallurgy under pressure | |
| CN104726703B (en) | A kind of method using preheating stepped pressure Leaching of Scandium from rich scandium material | |
| CN102676804A (en) | Method for treating zinc sulfide concentrate powder | |
| DE19523939A1 (en) | Storage of solar-, wind- or water energy by electrolysis of metal hydroxide - by supplying hydroxide of e.g. lithium, sodium, potassium, etc. to electrolysis cell and passing current through cell, with additional heat supply | |
| CN210529002U (en) | Non ferrous metal leaches system | |
| CN204897624U (en) | Sulphur ammonium waste water comprehensive control retrieval and utilization device is smelted to tombarthite | |
| CN204550054U (en) | A kind of degassed device is carried out to sulfur recovery facility institute production fluid sulphur | |
| CN203903986U (en) | Device for recycling ammonia gas through stripping sour water | |
| CN202499889U (en) | Treatment device for pressure-leached concentrated sulfuric acid and electrolytic waste liquid in zinc hydrometallurgy production | |
| CN104630471A (en) | Method and device for removing magnesium ions in zinc sulfate solution by virtue of pressure | |
| CN104652539A (en) | Water supply system | |
| CN205097376U (en) | Thick liquids cooling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120725 |