CN201056584Y - Microbial leaching device - Google Patents
Microbial leaching device Download PDFInfo
- Publication number
- CN201056584Y CN201056584Y CNU2007201697422U CN200720169742U CN201056584Y CN 201056584 Y CN201056584 Y CN 201056584Y CN U2007201697422 U CNU2007201697422 U CN U2007201697422U CN 200720169742 U CN200720169742 U CN 200720169742U CN 201056584 Y CN201056584 Y CN 201056584Y
- Authority
- CN
- China
- Prior art keywords
- liquid
- leaching
- microbial
- ore
- leach liquor
- 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 - Lifetime
Links
- 238000002386 leaching Methods 0.000 title claims abstract description 60
- 230000000813 microbial effect Effects 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000011521 glass Substances 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 19
- 230000000630 rising effect Effects 0.000 claims description 9
- 238000002791 soaking Methods 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 2
- 244000005700 microbiome Species 0.000 description 13
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000005272 metallurgy Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
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
A microbial leaching device is provided, which is a leaching device used for the microbial leaching for extracting valuable elements from ores. The device is characterized in comprising a microbial leaching column which is a tapered cylinder made of acid-proof organic glass, a jacket coated on the vertical outer wall of the leaching column, a circulating water inlet pipe connected with the bottom of the jacket, a circulating water outlet pipe connected with the top of the jacket and also connected with a constant-temperature water bath, a circulating pump connected with the water outlet pipe of the constant-temperature water bath, a column heating/insulating device connected with the water inlet pipe of the constant-temperature water bath, and a leach liquor collection tank. The device is suitable for leaching the microbial or removing the impurity element from a large quantity of ores.
Description
Technical field
A kind of microbial leaching device, relate to a kind of be used for that microorganism leaches valuable elements in minerals soak the ore deposit device.
Background technology
Biological metallurgy has another name called microorganism and leaches, and is meant when related microorganisms exists, because the catalysed oxidn of microorganism, valuable metal in the mineral is dissolved in the leach liquor with ionic species reclaimed, or with the harmful element dissolving in the mineral and the method for removing.Because biological metallurgy is free of contamination, and the comparatively serious environmental that the project of digging up mine at present all produces is polluted, and makes the biological metallurgy technology have a wide range of applications.
Microorganism extract technology equipment is specific equipment normally, comprises microorganism culturing groove, microorganism leaching plant and oxidation regeneration equipment etc.Traditional microorganism leaching plant is stirred-tank reactor and airlift reactor.Some new microorganism leaching plants have abroad appearred in recent years, as the biological leaching plant of elongated slot air-blowing formula, the biological leaching plant of tilting, the biological leaching plant of drum-type and the biological pulse column etc. that leaches.Along with the development of leaching-out technique, the demand of upgrading better microbial leaching reactor and support equipment is strengthened day by day, the research of microorganism leaching plant at present is also very weak, and is incompatible with the development and the widespread use of microorganism leaching-out technique.
Summary of the invention
The purpose of this utility model is exactly the deficiency that exists at above-mentioned prior art, provides a kind of and can effectively control the ore deposit condition of soaking, the microbial leaching device that valuable elements in minerals is reclaimed.
The purpose of this utility model is achieved through the following technical solutions.
A kind of microbial leaching device is characterized in that this device comprises array structure down:
The microbial leaching post-to soak ore pillar be a bottom of being made by the acidproof synthetic glass taper column that contracts for this, and the awl bottom is provided with a leakage fluid dram;
Cylinder heating and heat-insulating device-this device is soaked the chuck on the vertical outer wall of ore pillar, the circulating water inlet that connects in the chuck lower end, is encircled the water rising pipe having followed of chuck upper end connection by a coating, and rising pipe and thermostat water bath link, thermostat water bath rising pipe and recycle pump link, and the recycle pump circulating water inlet links;
Ore deposit liquid circulating device-this device is made up of a leach liquor liquid-collecting box, an ore deposit liquid spray header and a recycle pump; Wherein the liquid liquid-collecting box is provided with a liquid-inlet pipe and soaks the ore pillar liquid discharge pipe and links, and the leach liquor liquid-collecting box also is provided with a drain pipe and connects with recycle pump, and recycle pump outlet end and ore deposit liquid spray header link by adapting pipe.
A kind of microbial leaching device of the present utility model is characterized in that this device also comprises an air-blowing device, and this device is positioned at by one and soaks the ore pillar lower end and pass the inlet pipe and the air compressor that soak the ore pillar sidewall and form.
A kind of microbial leaching device of the present utility model is characterized in that this device comprises that also one leaches back liquid reservoir, and this liquid-storing box links by a pipeline and a leach liquor liquid-collecting box that has valve.
A kind of microbial leaching device of the present utility model, it is characterized in that this device also comprises a leaching process real-time monitoring device, this device link by a computer, with computer be positioned at the potential electrode of soaking ore pillar middle part, linking with computer is positioned at the potential electrode of soaking the ore pillar bottom, forms with the computer potential electrode that is positioned at the leach liquor liquid-collecting box that links.
A kind of microbial leaching device of the present utility model is characterized in that electrode is pH electrode, temperature electrode, redox potential electrode or dissolved oxygen electrode.
Microbial leaching device of the present utility model can be realized a large amount of ores is carried out batch processing.Because leaching microbacteria mostly is acidophilic bacteria, thereby microorganism leaching system is generally acid system, the valuable metal that the use of acidproof synthetic glass makes microbial leaching post of the present utility model be suitable for carrying out in the ore reclaims, and also can utilize the sulfide impurities in this device removal ore; The design of its constant temperature system makes device of the present utility model to carry out the microorganism leaching to ore under various temperature; Adopting electrode pair to soak ore body is to monitor in real time, thereby can monitor the condition of microbial leaching system in real time; The design of leach liquor circulation and recovery system both can be reclaimed leaching microbacteria, also can reclaim the valuable metal in the leach liquor, and can regulate the whole biological process that leaches by the monitoring result to leach liquor.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
A kind of microbial leaching device, this device comprise down array structure: it is a bottom of being made by the acidproof synthetic glass taper column that contracts that microbial leaching post 1-should soak ore pillar, and the awl bottom is provided with a leakage fluid dram 2; Cylinder heating and heat-insulating device-this device is soaked the chuck 3 on the vertical outer wall of ore pillar, the circulating water inlet 4 that connects in the chuck lower end, is encircled water rising pipe 5 having followed of chuck upper end connection by a coating, and rising pipe and thermostat water bath 22 link, thermostat water bath rising pipe and recycle pump 6 link, and the recycle pump circulating water inlet links; Ore deposit liquid circulating device-this device is made up of a leach liquor liquid-collecting box 7, an ore deposit liquid spray header 8 and a recycle pump 9; Wherein the liquid liquid-collecting box is provided with a liquid-inlet pipe 10 and soaks the ore pillar leakage fluid dram and links, and the leach liquor liquid-collecting box also is provided with a drain pipe 11 and connects with recycle pump, and recycle pump outlet end and ore deposit liquid spray header link by adapting pipe 12.This device also comprises an air-blowing device, and this device is positioned at by one and soaks the ore pillar lower end and pass the inlet pipe 13 and the air compressor 14 that soak the ore pillar sidewall and form.This device comprises that also one leaches back liquid reservoir 15, and this liquid-storing box links by a pipeline and a leach liquor liquid-collecting box that has valve 16.This device also comprises a leaching process real-time monitoring device, this device link by a computer 17, with computer be positioned at the potential electrode 18 of soaking ore pillar middle part, linking with computer is positioned at the potential electrode of soaking the ore pillar bottom, forms with the computer potential electrode 19 that is positioned at the leach liquor liquid-collecting box that links.
Embodiment
Microbial leaching post of the present utility model, soaking ore pillar is right cylinder, and internal diameter is 35cm, and height is 2.5m.When soaking the ore deposit, at first core 21 is put into and soaked ore pillar, the ore after the fragmentation is added in the microbial leaching post, the leach liquor that contains leaching microbacteria evenly is sprayed onto the microbial leaching post from spray header.The leach liquor that contains leaching microbacteria passes through ore from top to bottom, flows out from the bottom then, and by the leach liquor receiving tank it is collected.The leach liquor of leach liquor receiving tank is sprayed by spray header via the top of recycle pump to the microbial leaching post again, thereby finishes the circulation of leach liquor, wherein can be controlled the spray rate of ore leachate by recycle pump.After leaching for some time, the part in the leach liquor receiving tank can be leached back liquid and be transferred to the recovery or the relevant treatment of carrying out valuable element in the liquid accumulator tank of leaching back.After leaching for some time,, then can pass through the air compressor bubbling air, guarantee to have in the microbial leaching post sufficient oxygen for the leaching microbacteria growth if the dissolved oxygen concentration in the ore descends in the microbial leaching post.Temperature in the microbial leaching post can be controlled by heat-insulation system, it is temperature required that the temperature of thermostat water bath is set at microbial leaching, after the recirculated water in the thermostat water bath reaches design temperature, by water circulating pump recirculated water is pumped into from microbial leaching post bottom, recirculated water flows back to thermostat water bath after flowing out from microbial leaching post top.In microbial leaching post middle level and lower floor put into pH electrode, temperature electrode, redox potential electrode and dissolved oxygen electrode respectively the reaction conditions of microbial leaching post carried out The real time measure, and in time adjust reaction conditions according to measurement result.In the leach liquor receiving tank, put into pH electrode, ionic concn and measure electrode etc. the pH value of leach liquor, ionic concn etc. are carried out The real time measure, and pH value is made adjusting or determine whether the part leach liquor to be transferred to the recovery of carrying out valuable element in the leach liquor accumulator tank etc. according to measurement result.In the leach liquor accumulator tank, can carry out the recovery of valuable element or leach liquor is carried out relevant treatment such as acid-base neutralisation etc.
Claims (5)
1. microbial leaching device is characterized in that this device comprises array structure down:
The microbial leaching post-to soak ore pillar be a bottom of being made by the acidproof synthetic glass taper column that contracts for this, and the awl bottom is provided with a leakage fluid dram;
Cylinder heating and heat-insulating device-this device is soaked the chuck on the vertical outer wall of ore pillar, the circulating water inlet that connects in the chuck lower end, is encircled the water rising pipe having followed of chuck upper end connection by a coating, and rising pipe and thermostat water bath link, thermostat water bath rising pipe and recycle pump link, and the recycle pump circulating water inlet links;
Ore deposit liquid circulating device-this device is made up of a leach liquor liquid-collecting box, an ore deposit liquid spray header and a recycle pump; Wherein the liquid liquid-collecting box is provided with a liquid-inlet pipe and soaks the ore pillar liquid discharge pipe and links, and the leach liquor liquid-collecting box also is provided with a drain pipe and connects with recycle pump, and recycle pump outlet end and ore deposit liquid spray header link by adapting pipe.
2. a kind of microbial leaching device according to claim 1 is characterized in that this device also comprises an air-blowing device, and this device is positioned at by one and soaks the ore pillar lower end and pass the inlet pipe and the air compressor that soak the ore pillar sidewall and form.
3. a kind of microbial leaching device according to claim 1 is characterized in that this device comprises that also one leaches back liquid reservoir, and this liquid-storing box links by a pipeline and a leach liquor liquid-collecting box that has valve.
4. a kind of microbial leaching device according to claim 1, it is characterized in that this device also comprises a leaching process real-time monitoring device, this device link by a computer, with computer be positioned at the potential electrode of soaking ore pillar middle part, linking with computer is positioned at the potential electrode of soaking the ore pillar bottom, forms with the computer potential electrode that is positioned at the leach liquor liquid-collecting box that links.
5. a kind of microbial leaching device according to claim 4 is characterized in that electrode is pH electrode, temperature electrode, redox potential electrode or dissolved oxygen electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201697422U CN201056584Y (en) | 2007-07-17 | 2007-07-17 | Microbial leaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201697422U CN201056584Y (en) | 2007-07-17 | 2007-07-17 | Microbial leaching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201056584Y true CN201056584Y (en) | 2008-05-07 |
Family
ID=39425427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201697422U Expired - Lifetime CN201056584Y (en) | 2007-07-17 | 2007-07-17 | Microbial leaching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201056584Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100580108C (en) * | 2008-05-20 | 2010-01-13 | 华东理工大学 | Biologic oxidation reactor for refractory auric sulfide ore |
| CN102277490A (en) * | 2011-08-30 | 2011-12-14 | 内蒙古科技大学 | Biological column leaching device |
| CN103060554A (en) * | 2011-10-20 | 2013-04-24 | 中国科学院过程工程研究所 | Vertical cell immobilized reactor for producing ferric irons by biological oxidation |
| CN105603189A (en) * | 2016-02-26 | 2016-05-25 | 湖南生物机电职业技术学院 | Mineral leaching device for membrane bioreactor combined ion exchange |
| CN109797282A (en) * | 2019-03-15 | 2019-05-24 | 贵州大学 | A kind of laboratory leaching column of water-bath temperature control |
-
2007
- 2007-07-17 CN CNU2007201697422U patent/CN201056584Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100580108C (en) * | 2008-05-20 | 2010-01-13 | 华东理工大学 | Biologic oxidation reactor for refractory auric sulfide ore |
| CN102277490A (en) * | 2011-08-30 | 2011-12-14 | 内蒙古科技大学 | Biological column leaching device |
| CN102277490B (en) * | 2011-08-30 | 2013-05-29 | 内蒙古科技大学 | Biological column leaching device |
| CN103060554A (en) * | 2011-10-20 | 2013-04-24 | 中国科学院过程工程研究所 | Vertical cell immobilized reactor for producing ferric irons by biological oxidation |
| CN105603189A (en) * | 2016-02-26 | 2016-05-25 | 湖南生物机电职业技术学院 | Mineral leaching device for membrane bioreactor combined ion exchange |
| CN109797282A (en) * | 2019-03-15 | 2019-05-24 | 贵州大学 | A kind of laboratory leaching column of water-bath temperature control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080507 |