CN202730200U - Leaching tank - Google Patents
Leaching tank Download PDFInfo
- Publication number
- CN202730200U CN202730200U CN2012204200978U CN201220420097U CN202730200U CN 202730200 U CN202730200 U CN 202730200U CN 2012204200978 U CN2012204200978 U CN 2012204200978U CN 201220420097 U CN201220420097 U CN 201220420097U CN 202730200 U CN202730200 U CN 202730200U
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- CN
- China
- Prior art keywords
- leaching
- gas
- leaching tank
- stirring
- leaching vat
- 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.)
- Expired - Fee Related
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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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- Manufacture And Refinement Of Metals (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
一种浸出槽，涉及一种湿法冶金的加气浸出过程用的浸出槽的结构改进。其结构包括浸出槽体、搅拌器装置、进料管、排料管、通气管和排渣管，其特征在于搅拌器装置的搅拌轴偏离浸出槽的垂直轴线设置。本实用新型的一种氯气浸出槽，搅拌器装置的搅拌轴偏离氯气浸出槽的垂直轴线设置，偏心搅拌增强和改变了浸出浆液的径向力和径向流速，增加了固－液－气三相混合碰撞的几率和速度。由于偏心搅拌具有紊流作用，浸出槽内壁无需安装挡流板，搅拌过程中溶液流在径向不会发生断流，强化气体和矿浆的迅速扩散和反应吸收，提高了气体的有效利用率和浸出反应效率。
A leaching tank relates to a structural improvement of a leaching tank used in a hydrometallurgical gas-entraining leaching process. Its structure includes a leaching tank body, a stirrer device, a feed pipe, a discharge pipe, a ventilation pipe and a slag discharge pipe, and is characterized in that the stirring shaft of the agitator device deviates from the vertical axis of the leaching tank. In the chlorine gas leaching tank of the utility model, the stirring shaft of the agitator device deviates from the vertical axis of the chlorine gas leaching tank, the eccentric stirring strengthens and changes the radial force and radial flow velocity of the leaching slurry, and increases the solid-liquid-gas three Probability and velocity of mixed collisions. Due to the turbulence effect of eccentric stirring, there is no need to install baffles on the inner wall of the leaching tank, and the solution flow will not be interrupted in the radial direction during the stirring process, which strengthens the rapid diffusion and reaction absorption of gas and pulp, and improves the effective utilization of gas and leaching reaction efficiency.
Description
Technical field
A kind of leaching vat relate to the texture improvement of the leaching vat that a kind of aerating leaching process of hydrometallurgy uses.
Background technology
At present, often to use the aerating extract technology at hydrometallurgy process.For example, processing the complicated nickel materials processes such as nickel cobalt sulfide, nickelous carbonate, nickel hydroxide, the main method of employing is that material is carried out chlorine leaching, and the nickel chloride solution with output send the nickel system to produce the electrolytic nickel product again.Its chlorine leaching process adopts vertical mechanical stirring-type leaching vat mostly, and stirring capacity is strong, and suitable chlorine soaks production technique, but also comes with some shortcomings.
The vertical mechanical stirring-type leaches the whipping appts of drill traverse, usually is comprised of the drive unit, the stir shaft that vertical center penetrates cell body and agitating vane or the stirring arm that is positioned on the stir shaft that are positioned at the leaching vat upper end.Because hanging down, stir shaft and leaching vat cell body axis close, agitating vane or stirring arm stir in the cell body central position, the action of turbulent flow that stirs is poor, phenomenon can occur radially to stop, to solve by at the leaching vat inwall flow-stopping plate being installed, the effect that stirs, the dissolution rate of solid materials are also undesirable, and it is little that solid-liquid-the gas three-phase mixes poor probability of collision, affected the effective rate of utilization of chlorination reaction speed, metal leaching rate and chlorine.
Summary of the invention
The deficiency that the purpose of this utility model is just changed places above-mentioned prior art is existed provides that a kind of mixing effect is good, dissolution rate is fast, and solid-liquid-gas three-phase mixes, and chlorination reaction speed is fast, the high leaching vat of effective rate of utilization of metal leaching rate and gas.
The purpose of this utility model is achieved through the following technical solutions.
A kind of leaching vat, its structure comprise leaching cell body, agitator unit, feed-pipe, drainage conduit, ventpipe and scum pipe, it is characterized in that the stir shaft of agitator unit departs from the vertical axis setting of leaching vat.
A kind of leaching vat of the present utility model, the distance that it is characterized in that described stir shaft medullary ray and leaching vat central axis is 1/5th of leaching vat diameter, for off-centre stirs.
A kind of leaching vat of the present utility model, the stir shaft of agitator unit depart from the vertical axis setting of chlorine leaching groove, and eccentric the stirring strengthens and changed the radial force of leaching slurry and flow velocity radially, increased solid-liquid-gas three-phase and mixed probability and the speed of colliding.Because eccentric the stirring has action of turbulent flow, the leaching vat inwall need not to install flow-stopping plate, and solution stream radially can not stop in the whipping process, strengthens rapid diffusion and the reactive absorption of gas and ore pulp, has improved effective rate of utilization and the Leaching reaction efficient of gas.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
A kind of leaching vat, its structure comprise leaching cell body 1, agitator unit 2, feed-pipe 3, drainage conduit 4, ventpipe 5 and scum pipe 6, it is characterized in that the stir shaft 7 of agitator unit departs from the vertical axis setting of chlorine leaching groove; The distance of described stir shaft medullary ray and leaching vat central axis is 1/5th of leaching vat diameter, for off-centre stirs.
Embodiment
The leaching vat specifications and models are Φ 2200 * 3200mm, length-to-diameter ratio is 1.45:1, by cell body, whipping appts, chlorine adding apparatus, advance, drainage conduit forms, the leaching vat whipping appts is installed in a side of leaching vat, the distance of stir shaft medullary ray and leaching vat central axis is 1/5th of leaching vat diameter, for off-centre stirs.The eccentric stirring strengthens and changed the radial force of leaching slurry and flow velocity radially, increased solid-liquid-gas three-phase and mixed probability and the speed of colliding, and improved diffusion and the Average Air Content of chlorine.
Claims (2)
1. leaching vat, its structure comprise and leach cell body, agitator unit, feed-pipe, drainage conduit, ventpipe and scum pipe, it is characterized in that the stir shaft of agitator unit departs from the vertical axis setting of leaching vat.
2. a kind of chlorine leaching groove according to claim 1, the distance that it is characterized in that described stir shaft medullary ray and leaching vat central axis is 1/5th of leaching vat diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204200978U CN202730200U (en) | 2012-08-23 | 2012-08-23 | Leaching tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204200978U CN202730200U (en) | 2012-08-23 | 2012-08-23 | Leaching tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202730200U true CN202730200U (en) | 2013-02-13 |
Family
ID=47655917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204200978U Expired - Fee Related CN202730200U (en) | 2012-08-23 | 2012-08-23 | Leaching tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202730200U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107261546A (en) * | 2017-05-19 | 2017-10-20 | 贵州大学 | Multifunctional continuous leaching device with heating and aeration performance |
| CN109763001A (en) * | 2019-03-20 | 2019-05-17 | 金川集团股份有限公司 | An eccentric stirring ion exchange tank for ion removal of zinc from nickel cobalt hydroxide hydrochloric acid leaching solution |
-
2012
- 2012-08-23 CN CN2012204200978U patent/CN202730200U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107261546A (en) * | 2017-05-19 | 2017-10-20 | 贵州大学 | Multifunctional continuous leaching device with heating and aeration performance |
| CN109763001A (en) * | 2019-03-20 | 2019-05-17 | 金川集团股份有限公司 | An eccentric stirring ion exchange tank for ion removal of zinc from nickel cobalt hydroxide hydrochloric acid leaching solution |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20150823 |
|
| EXPY | Termination of patent right or utility model |