CN102676802A - Autoclave - Google Patents
Autoclave Download PDFInfo
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- CN102676802A CN102676802A CN2012101887598A CN201210188759A CN102676802A CN 102676802 A CN102676802 A CN 102676802A CN 2012101887598 A CN2012101887598 A CN 2012101887598A CN 201210188759 A CN201210188759 A CN 201210188759A CN 102676802 A CN102676802 A CN 102676802A
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- oxygen
- autoclave
- feeding
- reaction chamber
- feeding oxygen
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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 invention discloses an autoclave, which comprises a body, a plurality of partition plates, a plurality of first oxygen inlet pipes and a plurality of second oxygen inlet pipes, wherein the partition plates are all connected with the inner wall of the body and two adjacent partition plates are spaced away from each other by a predetermined distance to partition the body into a plurality of reaction chambers; the first oxygen inlet pipes are arranged below the body and an outlet end of each first oxygen inlet pipe is correspondingly communicated with each reaction chamber; and the second oxygen inlet pipes are arranged on the body and an outlet end of each second oxygen inlet pipe is correspondingly communicated with each reaction chamber. According to the autoclave provided by the embodiment of the invention, Fe<2+> in leaching ore pulp is fully oxidized. The content of the Fe<2+> in leaching liquid is greatly reduced, the quality of the leaching liquid is improved, and the amount of an added oxidant in subsequent steps is reduced. The autoclave has the advantages of simple method, high feasibility and obvious effect.
Description
Technical field
The invention belongs to the nonferrous metallurgy field, relate to a kind of autoclave specifically.
Background technology
Leach in the production process in the zinc sulfide concentrates pressurization, oxygen is one of auxiliary material wherein.And autoclave to advance the oxygen mode be one of important technology condition control in the zinc sulfide concentrates pressurized acid leaching production process.Oxygen feeds method, the situation that is evenly distributed in each chamber of autoclave, to zinc leaching rate, Fe
2+The transformation efficiency of oxidation and sulphur play a part crucial.
Patent of the present invention has solved because of autoclave advances oxygen method position influence zinc sulfide concentrates pressurized acid leaching zinc leaching rate, Fe
2+The problem of transformation efficiency of oxidation and sulphur.
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 fully Oxidation of Fe
2+, improve zinc leaching rate and sulphur transformation efficiency the pressurization leaching process advance the oxygen mode.
Autoclave according to the embodiment of the invention comprises: kettle; A plurality of dividing plates, said a plurality of dividing plates all link to each other with the inwall of said kettle and adjacent two dividing plates at interval predetermined distance so that said kettle is divided into a plurality of reaction chambers; The output terminal that a plurality of first feeding oxygen tubes, said a plurality of first feeding oxygen tubes are located at the following of said kettle and each said first feeding oxygen tube is communicated with each said reaction chamber accordingly; With a plurality of second feeding oxygen tubes, the output terminal that said a plurality of second feeding oxygen tubes are located at the top of said kettle and each said second feeding oxygen tube is communicated with each said reaction chamber accordingly.
According to the autoclave of the embodiment of the invention, to the top of the material in the reaction chamber with followingly advance oxygen simultaneously, thus; Oxygen evenly and is fully contacted with material; Improve the dispersion effect of oxygen, thereby optimize the condition of zinc sulfide concentrates pressurized acid leaching, make the Fe that leaches in the ore pulp
2+Obtained abundant oxidation.Reduce and leach Fe in the liquid
2+Content improves the input that the quality that leaches liquid has reduced the subsequent handling oxygenant.Method is simple, and feasibility is strong, and effect is remarkable.
In addition, autoclave according to the above embodiment of the present invention can also have following additional technical characterictic:
Autoclave according to an embodiment of the invention is equipped with under meter and the variable valve that is positioned at said under meter downstream on each in said a plurality of first feeding oxygen tubes and a plurality of second feeding oxygen tube, help the adjustment of amount of oxygen.
Autoclave according to an embodiment of the invention; Comprise that also first and second advance the oxygen house steward; Wherein, said first advances the oxygen house steward links to each other with the input terminus of said a plurality of first feeding oxygen tubes respectively, and said second advances the oxygen house steward links to each other with the input terminus of said a plurality of second feeding oxygen tubes respectively.
Autoclave according to an embodiment of the invention, said first and second advance among the oxygen house steward each on be equipped with intake valve.
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 synoptic diagram of autoclave according to an embodiment of the 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 autoclave with reference to the accompanying drawings in detail according to the embodiment of the invention.
As shown in Figure 1, the autoclave according to the embodiment of the invention comprises: kettle 100, a plurality of dividing plates 200, a plurality of first feeding oxygen tubes 310 and a plurality of second feeding oxygen tubes 320.
Specifically, a plurality of dividing plates 200 all link to each other with the inwall of kettle 100, and for example, a plurality of shelves 200 can be welded on the inwall of kettle 100.Adjacent two dividing plates, 200 interval predetermined distances are to be divided into kettle 100 a plurality of reaction chambers 110.That is to say that the quantity of reaction chamber 110 is Duoed one than the quantity of shelf 200.That is, if be provided with three shelves 200 in the kettle, then the quantity of reaction chamber 110 is four.
First feeding oxygen tube 310 is located at the following of kettle 100 and corresponding one by one with reaction chamber 110.That is, the output terminal of each first feeding oxygen tube 310 (being the end above first feeding oxygen tube 310 as shown in fig. 1 points to) is communicated with each reaction chamber 110 accordingly, so as below the interior material of reaction chamber 110 aerating oxygen.
Second feeding oxygen tube 320 is located at the top of kettle 100 and corresponding one by one with reaction chamber 110.That is, the output terminal of each second feeding oxygen tube 320 (being the end below second feeding oxygen tube 320 as shown in fig. 1 points to) is communicated with each reaction chamber 110 accordingly, so as above the interior material of reaction chamber 110 aerating oxygen.
Autoclave according to the embodiment of the invention; Through first feeding oxygen tube 310 aerating oxygen and through second feeding oxygen tube 320 aerating oxygen above material below material; Can realize above the material of reaction chamber 110 with below advance oxygen simultaneously, thus, oxygen evenly and is fully contacted with material; Thereby satisfy the condition of zinc sulfide concentrates pressurized acid leaching, leach the Fe in the ore pulp
2+Obtained abundant oxidation.Leach Fe in the liquid
2+Content significantly reduces, and has not only improved and has leached the quality of liquid, and reduced the difficulty and the input that has reduced oxygenant of follow-up removal of impurities.Method is simple, and feasibility is strong, and effect is remarkable.
According to one embodiment of present invention, be equipped with under meter 330a and the variable valve 340a that is positioned under meter 330a downstream on each in a plurality of first feeding oxygen tube 310.Be equipped with under meter 330b and the variable valve 340b that is positioned under meter 330b downstream in a plurality of second feeding oxygen tubes 320 each.Thus, adjustable and the oxygen feeding amount of observing each feeding oxygen tube further strengthen oxygen and disperse, and make Fe
2+Obtain abundant oxidation, improved zinc leaching rate and sulphur transformation efficiency.Simultaneously, each pipeline is control separately, makes things convenient for the open and close of pipeline and the maintenance of pipeline.
According to a particular embodiment of the invention, said autoclave comprises that also first advances oxygen house steward 410 and second and advance oxygen house steward 420.Wherein, first advances oxygen house steward 410 links to each other with the input terminus of a plurality of first feeding oxygen tubes 310 respectively, and second advances oxygen house steward 420 links to each other with the input terminus of a plurality of second feeding oxygen tubes 320 respectively.Thus, can make the design and installation of pipeline convenient, practice thrift cost and be beneficial to the control and the maintenance of pipeline.
According to examples more of the present invention, first advances oxygen house steward 410 is provided with intake valve 430a.Second advances oxygen house steward 420 is provided with intake valve 430b.Thus, can conveniently control first that advance oxygen house steward 410 with second advance oxygen house steward 410 oxygen feeding amount, the startup of convenient control autoclave and stopping to improve the function and the utilization ratio of autoclave.
According to an example of the present invention, the output terminal of first feeding oxygen tube 310 stretches into from below in the material in the reaction chamber, and the output terminal of second feeding oxygen tube 320 stretches into from above in the material in the reaction chamber.Thus, oxygen is fully contacted with material,, improved the contact area of oxygen and reactant, improve reaction fast speed and reaction efficiency with the material thorough mixing.Through measuring and calculating, zinc leaching rate can reach more than 98%, and the sulphur transformation efficiency can reach more than 85%.
Describe structure and use with reference to the accompanying drawings in detail according to the autoclave of the embodiment of the invention.
As shown in Figure 1, the midway of first feeding oxygen tube 310 reaction chamber 110 below below the reaction chamber 110, second appropriate position of feeding oxygen tube 320 on reaction chamber 110 that reaction chamber 110 is top.First advances first feeding oxygen tube 310 of oxygen house steward 410 below each reaction chamber 110 connects, and first advances intake valve 430a is installed on the oxygen house steward 410, and reaction chamber 110 following oxygen flowmeter 330a and oxygen valve 340a are installed on first feeding oxygen tube 310.Second advances oxygen house steward 420 connects with each second feeding oxygen tube 320 above the reaction chamber 110, and second advances intake valve 430b is installed on the oxygen house steward 420, and the oxygen flowmeter 330b on reaction chamber 110 tops and oxygen valve 340b are installed on second feeding oxygen tube 320.
Oxygen is sent here from oxygen storage tank during work, advances aerating oxygen in oxygen house steward 410, intake valve 430a, under meter 330a, variable valve 340a and the material of first feeding oxygen tube 310 in reaction chamber 110 through first.Oxygen advances aerating oxygen in oxygen house steward 420, intake valve 430b, under meter 330b, variable valve 340b and the material of second feeding oxygen tube 320 in reaction chamber 110 through second.First feeding oxygen tube 310 and second feeding oxygen tube 320 all stretch in the material.
Each reaction chamber 110 in the autoclave advances the method for oxygen simultaneously through the upper and lower part, makes the even branch of oxygen in still in the material, thereby satisfies the condition of zinc sulfide concentrates pressurized acid leaching.Leach the Fe in the ore pulp
2+Obtained abundant oxidation, zinc leaching rate reaches more than 98%, and the sulphur transformation efficiency reaches more than 85%.Leach Fe in the liquid
2+Content significantly reduces, and has not only improved and has leached the quality of liquid, and reduced the difficulty and the input that has reduced oxygenant of follow-up removal of impurities.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 (4)
1. an autoclave is characterized in that, comprising:
Kettle;
A plurality of dividing plates, said a plurality of dividing plates all link to each other with the inwall of said kettle and adjacent two dividing plates at interval predetermined distance so that said kettle is divided into a plurality of reaction chambers;
The output terminal that a plurality of first feeding oxygen tubes, said a plurality of first feeding oxygen tubes are located at the following of said kettle and each said first feeding oxygen tube is communicated with each said reaction chamber accordingly; With
The output terminal that a plurality of second feeding oxygen tubes, said a plurality of second feeding oxygen tubes are located at the top of said kettle and each said second feeding oxygen tube is communicated with each said reaction chamber accordingly.
2. autoclave according to claim 1 is characterized in that, is equipped with under meter and the variable valve that is positioned at said under meter downstream on each in said a plurality of first feeding oxygen tubes and a plurality of second feeding oxygen tube.
3. autoclave according to claim 1 and 2; It is characterized in that, comprise that also first and second advance the oxygen house steward, wherein; Said first advances the oxygen house steward links to each other with the input terminus of said a plurality of first feeding oxygen tubes respectively, and said second advances the oxygen house steward links to each other with the input terminus of said a plurality of second feeding oxygen tubes respectively.
4. autoclave according to claim 3 is characterized in that, said first and second advance among the oxygen house steward each on be equipped with intake valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101887598A CN102676802A (en) | 2012-06-08 | 2012-06-08 | Autoclave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101887598A CN102676802A (en) | 2012-06-08 | 2012-06-08 | Autoclave |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102676802A true CN102676802A (en) | 2012-09-19 |
Family
ID=46809347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101887598A Pending CN102676802A (en) | 2012-06-08 | 2012-06-08 | Autoclave |
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| Country | Link |
|---|---|
| CN (1) | CN102676802A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106222404A (en) * | 2016-09-23 | 2016-12-14 | 中国恩菲工程技术有限公司 | The recovery system of valuable metal |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1010485B (en) * | 1984-09-19 | 1990-11-21 | 谢尔里特·戈登矿有限公司 | Process for the pressure oxidation of acid leaching of non-ferrous metal and iron-containing sulphide |
| RU2199597C1 (en) * | 2001-09-12 | 2003-02-27 | Общество с ограниченной ответственностью Совместное российско-американское предприятие "Технология XXI века" | Method for extracting useful components by leaching |
| WO2007144784A2 (en) * | 2006-03-17 | 2007-12-21 | Barrick Gold Corporation | Autoclave with underflow dividers |
| CN201361544Y (en) * | 2008-12-15 | 2009-12-16 | 上海森松新能源设备有限公司 | Overflow-type multi-bay autoclave |
| CN201620183U (en) * | 2010-02-10 | 2010-11-03 | 长沙有色冶金设计研究院 | Horizontal agitated reactor oxygen pipeline |
| CN102168181A (en) * | 2011-03-17 | 2011-08-31 | 云南永昌铅锌股份有限公司 | Horizontal type pressure leaching kettle and zinc sulfide concentrate leaching method using same |
-
2012
- 2012-06-08 CN CN2012101887598A patent/CN102676802A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1010485B (en) * | 1984-09-19 | 1990-11-21 | 谢尔里特·戈登矿有限公司 | Process for the pressure oxidation of acid leaching of non-ferrous metal and iron-containing sulphide |
| RU2199597C1 (en) * | 2001-09-12 | 2003-02-27 | Общество с ограниченной ответственностью Совместное российско-американское предприятие "Технология XXI века" | Method for extracting useful components by leaching |
| WO2007144784A2 (en) * | 2006-03-17 | 2007-12-21 | Barrick Gold Corporation | Autoclave with underflow dividers |
| CN201361544Y (en) * | 2008-12-15 | 2009-12-16 | 上海森松新能源设备有限公司 | Overflow-type multi-bay autoclave |
| CN201620183U (en) * | 2010-02-10 | 2010-11-03 | 长沙有色冶金设计研究院 | Horizontal agitated reactor oxygen pipeline |
| CN102168181A (en) * | 2011-03-17 | 2011-08-31 | 云南永昌铅锌股份有限公司 | Horizontal type pressure leaching kettle and zinc sulfide concentrate leaching method using same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106222404A (en) * | 2016-09-23 | 2016-12-14 | 中国恩菲工程技术有限公司 | The recovery system of valuable metal |
| CN106222404B (en) * | 2016-09-23 | 2019-04-09 | 中国恩菲工程技术有限公司 | The recovery system of valuable metal |
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Application publication date: 20120919 |