CN220590331U - System for be used for improving fine grain dip dyeing formula gold ore dressing and smelting rate of recovery - Google Patents
System for be used for improving fine grain dip dyeing formula gold ore dressing and smelting rate of recovery Download PDFInfo
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- CN220590331U CN220590331U CN202321979095.7U CN202321979095U CN220590331U CN 220590331 U CN220590331 U CN 220590331U CN 202321979095 U CN202321979095 U CN 202321979095U CN 220590331 U CN220590331 U CN 220590331U
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- Prior art keywords
- ore
- superfine grinding
- tank
- flotation machine
- hydrocyclone
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000010931 gold Substances 0.000 title claims abstract description 38
- 229910052737 gold Inorganic materials 0.000 title claims abstract description 38
- 238000003723 Smelting Methods 0.000 title claims abstract description 23
- 238000011084 recovery Methods 0.000 title claims abstract description 19
- 238000004043 dyeing Methods 0.000 title claims abstract description 10
- 238000005188 flotation Methods 0.000 claims abstract description 69
- 230000003647 oxidation Effects 0.000 claims abstract description 30
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 30
- 239000002002 slurry Substances 0.000 claims abstract description 25
- 239000012141 concentrate Substances 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 238000002386 leaching Methods 0.000 claims abstract description 17
- 239000010419 fine particle Substances 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 239000004576 sand Substances 0.000 claims abstract description 5
- 239000002893 slag Substances 0.000 claims description 6
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 abstract description 4
- 238000010494 dissociation reaction Methods 0.000 abstract description 4
- 230000005593 dissociations Effects 0.000 abstract description 4
- 239000000178 monomer Substances 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 9
- 239000011707 mineral Substances 0.000 description 9
- 230000001590 oxidative effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241001354491 Lasthenia californica Species 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- MJLGNAGLHAQFHV-UHFFFAOYSA-N arsenopyrite Chemical compound [S-2].[Fe+3].[As-] MJLGNAGLHAQFHV-UHFFFAOYSA-N 0.000 description 1
- 229910052964 arsenopyrite Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- KXZJHVJKXJLBKO-UHFFFAOYSA-N chembl1408157 Chemical compound N=1C2=CC=CC=C2C(C(=O)O)=CC=1C1=CC=C(O)C=C1 KXZJHVJKXJLBKO-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
- 229910052683 pyrite Inorganic materials 0.000 description 1
- 239000011028 pyrite Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
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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)
Abstract
The utility model discloses a system for improving the recovery rate of fine particle dip-dyeing type gold ore dressing and smelting, wherein a rough concentrate outlet of a flotation machine is connected with an ore inlet end of first superfine grinding equipment; the ore discharging end of the first superfine grinding device is connected with the feeding end of the oxidation treatment tank; the discharge end of the oxidation treatment tank is connected with a noble liquid tank. The flotation tailing outlet of the flotation machine is connected with the slurry inlet of the hydrocyclone; the sand setting port of the hydrocyclone is connected with the ore inlet end of the second superfine grinding equipment, and the ore discharge end of the second superfine grinding equipment and the overflow port of the hydrocyclone are respectively connected with a noble liquid tank. On the premise of effectively reducing the superfine grinding treatment load and the oxidation pretreatment cost of the dressing and smelting system, the monomer dissociation degree and the cyanide leaching rate of gold are improved, the grade of the gold with the tailings thrown is reduced, and the dressing and smelting recovery rate of the micro-fine particle dip-dyeing gold ore is improved. And the problems of high energy consumption and heavy environmental pollution caused by the oxidation roasting mode are avoided by changing the system design.
Description
Technical Field
The utility model relates to a dressing and smelting system for improving gold leaching rate, in particular to a system for improving dressing and smelting recovery rate of micro-fine particle dip-dyed gold ores.
Background
With the increasing exhaustion of the resources of the easily selected gold ores, the development of the micro-particle dip-dyeing type gold ores gradually becomes a hot spot and a difficult point of technical research and development in the gold field. The gold ores subjected to fine particle dip dyeing belong to refractory metallurgical ores, and gold ores in the ores are often associated with or mutually wrapped with other minerals or gangue in a fine particle (the particle size of the embedded cloth is generally less than 10 mu m and even less than 5 mu m) dip dyeing state, so that the higher recovery rate of dressing and smelting is difficult to obtain. In order to improve the dressing and smelting recovery rate of the gold-containing minerals, the common practice in the prior art is to increase the surface cracks of the gold minerals in an oxidizing roasting mode, and in the cyanide leaching process, sodium cyanide contacts the gold minerals through the cracks, so that the purpose of improving the gold leaching rate is achieved. However, the oxidizing roasting method has the defect of high energy consumption and causes serious pollution to the environment.
In addition, as a dressing and smelting system in the prior art, the problems that superfine grinding is heavy in processing load, the grinding cost is high, and excessive grinding occurs on part of products so as to influence dressing and smelting recovery rate are commonly existed.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a system for improving the dressing and smelting recovery rate of micro-fine particle dip-dyed gold ores, which can improve the monomer dissociation degree and the cyanide leaching rate of gold, reduce the grade of gold tailings, and improve the dressing and smelting recovery rate of the micro-fine particle dip-dyed gold ores on the premise of effectively reducing the superfine grinding treatment load and the oxidation pretreatment cost of the dressing and smelting system.
The technical scheme of the utility model is as follows:
the system for improving the recovery rate of fine particle dip-dyeing type gold ore dressing and smelting comprises a flotation machine, first superfine grinding equipment, second superfine grinding equipment, an oxidation treatment tank and a hydrocyclone, wherein a coarse concentrate outlet of the flotation machine is connected with an ore inlet end of the first superfine grinding equipment; the ore discharging end of the first superfine grinding device is connected with the feeding end of the oxidation treatment tank; a discharge end of the oxidation treatment tank is connected with a noble liquid tank; the flotation tailing outlet of the flotation machine is connected with the slurry inlet of the hydrocyclone; the sand setting port of the hydrocyclone is connected with the ore inlet end of the second superfine grinding equipment, and the ore discharge end of the second superfine grinding equipment and the overflow port of the hydrocyclone are respectively connected with a noble liquid tank.
Preferably, a third pulp tank and a third pulp pump for conveying pulp are arranged between the flotation tailing outlet of the flotation machine and the pulp inlet of the hydrocyclone.
Preferably, the flotation machine comprises a first flotation machine and a second flotation machine; the flotation tailing outlet of the first flotation machine is connected with the feed inlet of the second flotation machine; the coarse concentrate outlets of the first flotation machine and the second flotation machine are respectively connected with the ore inlet end of the first superfine grinding equipment; and a flotation tailing outlet of the second flotation machine is connected with a slurry inlet of the hydrocyclone.
Further preferably, a third pulp tank and a third slurry pump for conveying the pulp are arranged between the flotation tailing outlet of the second flotation machine and the slurry inlet of the hydrocyclone.
Preferably, a first pulp tank and a first pulp pump for conveying pulp are arranged between the ore discharging end of the first superfine grinding device and the feeding end of the oxidation treatment tank.
Preferably, the discharge end of the oxidation treatment tank is provided with a second pulp tank and a second pulp pump for feeding the noble liquid into the noble liquid tank.
Preferably, the system further comprises a fourth slurry tank; the feeding end of the fourth ore pulp tank is connected with the overflow port of the hydrocyclone and the ore discharging end of the second superfine grinding device through pipelines respectively; the discharge end of the fourth pulp tank is connected with the noble liquid tank through a fourth slag pump.
The utility model has the positive effects that:
firstly, by utilizing the system of the utility model, the micro-fine particle dip-dyed gold-containing mineral is subjected to flotation to obtain rough concentrate and flotation tailings. Superfine grinding and oxidation pretreatment are carried out on the rough concentrate, flotation tailings are classified by a cyclone, and superfine grinding is carried out on cyclone underflow (coarse-size tailings). And combining the rough concentrate subjected to superfine grinding and oxidation pretreatment with cyclone grading overflow and cyclone underflow subjected to superfine grinding to obtain a noble liquid. The utility model only carries out superfine grinding on the rough concentrate and the cyclone underflow, and the cyclone overflow product is directly used as the noble liquid. Greatly reduces the superfine grinding processing load. The utility model only carries out oxidation pretreatment on the rough concentrate, thereby greatly reducing the oxidation pretreatment cost. On the other hand, the utility model avoids the problems of high energy consumption and heavy environmental pollution caused by the oxidizing roasting mode by changing the system design.
Secondly, the utility model carries out superfine grinding and oxidation pretreatment on the rough concentrate, and aims to improve the monomer dissociation degree of gold. The utility model carries out superfine grinding on the cyclone underflow (coarse-size tailings) to further dissociate gold minerals of which the flotation tailings are wrapped by coarse-size tailings. The utility model achieves the purposes of improving the monomer dissociation degree and cyanide leaching rate of gold, reducing the grade of gold from the tailings, and improving the recovery rate of gold ore dressing and smelting by superfine grinding and oxidation pretreatment of the rough concentrate and superfine grinding of the cyclone underflow (coarse-grain tailings).
Drawings
Fig. 1 is a schematic view of the structure and operation of an embodiment of the present utility model.
In the figure, 1, a first flotation machine, 2, a second flotation machine, 3, a first superfine grinding device, 4, a first ore pulp tank, 5, a first slurry pump, 6, an oxidation treatment tank, 7, a second ore pulp tank, 8, a second slurry pump, 9, a first leaching tank, 10, a third ore pulp tank, 11, a third slurry pump, 12, a hydrocyclone, 13, a second superfine grinding device, 14, a fourth ore pulp tank, 15, a fourth slurry pump, 16 and a second leaching tank.
Detailed Description
The utility model will be further described with reference to examples and figures.
As in fig. 1, an embodiment of the system of the utility model comprises a first flotation machine 1, a second flotation machine 2, a first ultra fine grinding device 3, a second ultra fine grinding device 13, an oxidation treatment tank 6 and a hydrocyclone 12. Wherein the first flotation machine 1 and the second flotation machine 2 are respectively provided with a feed inlet, a rough concentrate outlet and a flotation tailing outlet. The first superfine grinding device 3 and the second superfine grinding device 13 are respectively provided with a mineral inlet end and a mineral outlet end. The oxidation treatment tank 6 is a container with a stirrer, and the working principle of the oxidation treatment tank is that pyrite, arsenopyrite, antimony ore and the like can be partially oxidized and decomposed in an acid or alkali system to release the wrapped gold ore. The oxidation treatment tank 6 is provided with a feeding end and a discharging end. The hydrocyclone 12 is provided with a slurry inlet, an overflow port and a sand settling port.
The rough concentrate outlets of the first flotation machine 1 and the second flotation machine 2 are connected with the ore inlet end of the first superfine grinding equipment 3 through pipelines, and conveying pumps are respectively arranged on the pipelines between the rough concentrate outlets of the first flotation machine 1 and the second flotation machine 2 and the ore inlet end of the first superfine grinding equipment 3 for conveying the rough concentrate into the first superfine grinding equipment 3 when necessary. The ore discharging end of the first superfine grinding device 3 is connected with a first ore pulp tank 4 through a pipeline, the first ore pulp tank 4 is connected with the feeding end of an oxidation treatment tank 6 through a pipeline with a first slag pulp pump 5, the discharging end of the oxidation treatment tank 6 is connected with a second ore pulp tank 7 through a pipeline, and the second ore pulp tank 7 is connected with a first leaching tank 9 serving as a noble liquid tank through a pipeline with a second slag pulp pump 8.
The flotation tailing outlet of the first flotation machine 1 is connected with the feed inlet of the second flotation machine 2 through a pipeline, the flotation tailing outlet of the second flotation machine 2 is connected with a third ore pulp tank 10 through a pipeline, and the third ore pulp tank 10 is connected with the slurry inlet of a hydrocyclone 12 through a pipeline with a third slurry pump 11. The sand setting port of the hydrocyclone 12 is connected with the ore inlet end of the second superfine grinding device 13 through a pipeline, the ore discharge end of the second superfine grinding device 13 and the overflow port of the hydrocyclone 12 are respectively connected with the fourth pulp tank 14 through a pipeline, and the fourth pulp tank 14 is connected with the second leaching tank 16 serving as a noble liquid tank through a pipeline with a fourth slag pump 15.
The workflow of the present system is described below:
coarse grinding (the grinding fineness requirement is that the-200 mesh content is 50% -70%) is carried out by a ball mill, fine particle dip-dyeing type gold ore subjected to size mixing firstly enters a first flotation machine 1 through a feed inlet of the first flotation machine 1, and flotation tailings of the first flotation machine 1 enter a second flotation machine 2. The flotation rough concentrate of the first flotation machine 1 and the second flotation machine 2 automatically flows or is pumped into the first superfine grinding equipment 3 for grinding, and after superfine grinding, the rough concentrate automatically flows into the first ore pulp tank 4 and enters the oxidation treatment tank 6 under the action of the first slurry pump 5, and the oxidation treatment tank 6 is added with oxidant solution. The ore pulp pretreated by the oxidant is taken as a noble liquid to enter the second ore pulp tank 7 in a self-flowing way, and flows into the first leaching tank 9 under the action of the second slag pulp pump 8.
The flotation tailings of the second flotation machine 2 automatically flow into the third ore pulp tank 10 and enter the hydrocyclone 12 for cyclone classification under the action of the third slurry pump 11. The underflow (coarse tailings) of the hydrocyclone 12 enters the second superfine grinding equipment 13 for superfine grinding, and then flows into the fourth pulp tank 14 together with overflow products of the hydrocyclone 12 as noble liquid, and flows into the second leaching tank 16 under the action of the fourth slurry pump 15.
The pregnant solution in the first leaching tank 9 and the second leaching tank 16 enters the subsequent zinc powder replacement or carbon adsorption process.
The fine gold ore of the utility model is gold ore with embedded granularity below 10 mu m.
The superfine grinding means that the granularity of the ground mineral product is within the range of P (80) to less than or equal to 10 mu m.
Claims (7)
1. The utility model provides a system for improving fine grain dip-dyeing formula gold ore dressing and smelting rate of recovery, it includes flotation device, first superfine grinding equipment (3), second superfine grinding equipment (13), oxidation treatment groove (6) and hydrocyclone (12), its characterized in that: the rough concentrate outlet of the flotation machine is connected with the ore inlet end of the first superfine grinding equipment (3); the ore discharging end of the first superfine grinding device (3) is connected with the feeding end of the oxidation treatment tank (6); the discharge end of the oxidation treatment tank (6) is connected with a noble liquid tank; the flotation tailing outlet of the flotation machine is connected with the slurry inlet of the hydrocyclone (12); the sand setting port of the hydrocyclone (12) is connected with the ore feeding end of the second superfine grinding equipment (13), and the ore discharging end of the second superfine grinding equipment (13) and the overflow port of the hydrocyclone (12) are respectively connected with a noble liquid tank.
2. The system for improving the recovery rate of fine particle leaching type gold ore dressing and smelting as set forth in claim 1, wherein: a third pulp tank (10) and a third slurry pump (11) for conveying the pulp are arranged between the flotation tailing outlet of the flotation machine and the slurry inlet of the hydrocyclone (12).
3. The system for improving the recovery rate of fine particle leaching type gold ore dressing and smelting as set forth in claim 1, wherein: the flotation machine comprises a first flotation machine (1) and a second flotation machine (2); the flotation tailing outlet of the first flotation machine (1) is connected with the feed inlet of the second flotation machine (2); the coarse concentrate outlets of the first flotation machine (1) and the second flotation machine (2) are respectively connected with the ore inlet end of the first superfine grinding equipment (3); the flotation tailing outlet of the second flotation machine (2) is connected with the slurry inlet of the hydrocyclone (12).
4. A system for improving the recovery rate of fine particle leaching type gold ore dressing and smelting as claimed in claim 3, wherein: a third ore pulp tank (10) and a third slurry pump (11) for conveying ore pulp are arranged between the flotation tailing outlet of the second flotation machine (2) and the slurry inlet of the hydrocyclone (12).
5. The system for improving the recovery rate of fine particle-impregnated gold ore dressing and smelting according to claim 1 or 2 or 3 or 4, wherein: a first ore pulp tank (4) and a first slurry pump (5) for conveying ore pulp are arranged between the ore discharge end of the first superfine grinding device (3) and the feeding end of the oxidation treatment tank (6).
6. The system for improving the recovery rate of fine particle-impregnated gold ore dressing and smelting according to claim 1 or 2 or 3 or 4, wherein: the discharge end of the oxidation treatment tank (6) is provided with a second pulp tank (7) and a second pulp pump (8) for feeding the noble liquid into the noble liquid tank.
7. The system for improving the recovery rate of fine particle-impregnated gold ore dressing and smelting according to claim 1 or 2 or 3 or 4, wherein: the system further comprises a fourth slurry tank (14); the feeding end of the fourth ore pulp tank (14) is respectively connected with the overflow port of the hydrocyclone (12) and the ore discharging end of the second superfine grinding equipment (13) through pipelines; the discharge end of the fourth pulp tank (14) is connected with the noble liquid tank through a fourth slag slurry pump (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321979095.7U CN220590331U (en) | 2023-07-26 | 2023-07-26 | System for be used for improving fine grain dip dyeing formula gold ore dressing and smelting rate of recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321979095.7U CN220590331U (en) | 2023-07-26 | 2023-07-26 | System for be used for improving fine grain dip dyeing formula gold ore dressing and smelting rate of recovery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220590331U true CN220590331U (en) | 2024-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321979095.7U Active CN220590331U (en) | 2023-07-26 | 2023-07-26 | System for be used for improving fine grain dip dyeing formula gold ore dressing and smelting rate of recovery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220590331U (en) |
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2023
- 2023-07-26 CN CN202321979095.7U patent/CN220590331U/en active Active
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