CN201250267Y - Purification system for gold ore concentrate cinder acid leaching solution - Google Patents
Purification system for gold ore concentrate cinder acid leaching solution Download PDFInfo
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- CN201250267Y CN201250267Y CNU2008200274444U CN200820027444U CN201250267Y CN 201250267 Y CN201250267 Y CN 201250267Y CN U2008200274444 U CNU2008200274444 U CN U2008200274444U CN 200820027444 U CN200820027444 U CN 200820027444U CN 201250267 Y CN201250267 Y CN 201250267Y
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Abstract
The utility model relates to a purification system for gold ore concentrate cinder acid leaching solution, and belongs to the technical field of hydrometallurgy. The utility model is characterized in that the purification system comprises a three-tray thickening washing machine (2), wherein, the outlet of the three-tray thickening washing machine is communicated with a single-tray thickener (3) at the lower part, and the inlet of the single-tray thickener (3) is connected with an acid leaching process; the supernatant fluid outlet of the single-tray thickener (3) is connected with a single-tray thickener (4) at the lower part through a pipeline, and the supernatant fluid outlet of the single-tray thickener (4) is connected with a liquid storage tank (10) at the lower part; the liquid storage tank (10) is pumped into a filter press ( 5) via a centrifugal pump (9), and an ore receiving tank (6) is arranged at the lower part of the filter press ( 5); the single-tray thickeners (3), (4) the lower parts of which are connected with ore pulp pumps (12), (11) are pumped into the three-tray thickening washing machine (2) at the upper part via the ore pulp pumps (12), (11); the lower part of the three-tray thickening washing machine (2) is connected with a belt filter (1) via an ore pulp pump (13), and the underflow of three-tray thickening washing machine (2) is pumped into the belt filter (1) to filter via the ore pulp pump (13); and a centrifugal pump (8) is connected with a mixing barrel (7) at the front of the filter press (5). The utility model adopts filter aid filtration technology to overcome the difficulties that solid suspended substance is difficult to be filtered and calcium sulfate crystallization is easy to plug the filter cloth, thereby the service time of the filter cloth can be prolonged and the purification indicator of the acid leaching solution can be improved.
Description
One, technical field
The utility model relates to the purification system that a kind of gold ore is burnt the slag pickling liquor, belongs to technical field of wet metallurgy.
Two, background technology
In the gold smelting industry, when adopting the cyanide process Technology from gold ore, to extract gold and silver, for copper-bearing gold concentrate,, improve recovery of gold and silver in order to reduce cyanide consumption, and reclaim non-ferrous metal such as copper, the normal method that adopts sulfurization roasting at first is transformed into copper mineral soluble sulphate and oxide compound, leaches through dilute sulphuric acid then, obtain certain density copper-bath (pickling liquor), and the insoluble slag that soaks.Through after the lock out operation, to soak slag and go the cyaniding operation to propose gold and silver, pickling liquor obtains containing Cu through extracting and enriching
2+The rich copper liquid of 50～60mg/L.This richness copper liquid or volatilization concentrate produces copper sulfate or iron powder reducing production copper sponge or electrolytic reduction production cathode copper.But no matter produce what product, the purification of pickling liquor all is very crucial operation, and the quality of decontamination effect improving directly influences the quality of final product.Because from the pickling liquor temperature of acidleach operation general 70 ℃～80 ℃, acidity is general 1%～3%, wherein contains Fe
3+, Fe
2+, Cu
2+, Ca
2+,, SO
4 2-Plasma when carrying out the normal temperature cleansing operation, is easy to crystallization and separates out CaSO
4Etc. crystal precipitation.Pickling liquor composition more complicated, solid content generally about 120mg/L, mainly contain impurity such as suspended solid, throw out.The purpose that pickling liquor purifies is suspended solid, throw out, the CaSO that removes wherein
4Deng the contamination precipitation thing, reduce extraction process " three-phase " composition, improve the technical indicator of follow-up extraction process, guarantee the quality of the finished product.
Because suspended solid and throw out granularity in the pickling liquor are minimum, even exist with colloidal form, be easy to separate out filtration mediums such as crystallization obstruction filter cloth so be difficult to filtration, especially calcium sulfate etc., make normal filtration operation be difficult to carry out.So, at present generally in the industry adopt thickener to concentrate and method such as natural subsidence is carried out purifying treatment to pickling liquor, this method settling tank floor space is big, sedimentation time is long, the solid impurity clearance is low, directly influences the extraction operation of subsequent copper, and causes precious metal such as gold and silver to run off easily.
Three, summary of the invention
The utility model purpose is to provide a kind of gold ore to burn the purification system of slag pickling liquor, the suspended solid that solves in the pickling liquor is difficult to problems such as filtration and crystal of calcium sulfate obstruction filter cloth, improve the pickling liquor decontamination index, prolong filter cloth duration of service, guarantee end product quality.
The technical solution of the utility model is:
From the acidleach material of acidleach operation, adopt " three washings of secondary settlement---press filtration---" tooling, and configuration pressure filter hanging device.Before pressure filter work, at first use diatomite that filter cloth is carried out flocculating aids hanging operation, its objective is increases filtration medium thickness, improve filtration efficiency and quality, prevent that filter cloth from being stopped up by impurity, prolong filter cloth duration of service, obtain to be applicable to the high-quality filtrate of extraction operation, and meet the burning slag of carrying lsp request.
A kind of gold ore is burnt the purification system of slag pickling liquor, its special character is to comprise three layers of dense washing machine 2, the outlet of three layers of dense washing machine 2 is carried out once settled individual layer thickener 3 with the bottom and is connected, individual layer thickener 3 inlets fetch the acidleach material from the acidleach operation, the outlet of individual layer thickener 3 supernatant liquors connects the set individual layer thickener 4 that carries out secondary settlement in bottom through pipeline, the outlet of individual layer thickener 4 supernatant liquors connects the set receiver in bottom 10, receiver 10 connects through impeller pump 9 and pumps into pressure filter 5 and filter, pressure filter 5 bottoms be provided be used to hold filter residue be subjected to ore deposit groove 6; The bottom of individual layer thickener 3,4 all connects ore pulp pump 12,11, connect in three layers of dense washing machine 2 that pump into top by ore pulp pump 12,11 and to wash, three layers of dense washing machine 2 bottom are connected with band filter 1 through ore pulp pump 13, and the underflow of three layers of dense washing machine 2 generation pumps in the band filter 1 through ore pulp pump 13 and filters; Before pressure filter 5, connect the agitation vat 7 that super-cells and water are sized mixing by impeller pump 8;
At first enter from the acidleach material of acidleach operation and to carry out a sedimentation in the individual layer thickener 3, its supernatant liquor flows in the set individual layer thickener 4 in bottom through pipeline and carries out secondary settlement, supernatant liquor through secondary settlement in the individual layer thickener 4 flow in the set receiver in bottom 10, and pump into pressure filter 5 by connected impeller pump 9 and filter, pressure filter 5 bottoms be provided be used to hold filter residue be subjected to ore deposit groove 6;
Before pressure filter 5 work, at first use diatomite that filter cloth is carried out flocculating aids hanging operation.Add a certain amount of super-cell in agitation vat 7, water is sized mixing, and pumps in the pressure filter 5 with impeller pump 8 then, and it is adsorbed on the polypropylene fibre filter cloth equably.
So-called " secondary settlement " is exactly to adopt two individual layer thickener operations, with supernatant liquor second individual layer thickener of inflow, further cooling, the sedimentation removal of impurities automatically of first individual layer thickener.
So-called " press filtration " is exactly that supernatant liquor with second individual layer thickener passes through the pressure filter press filtration again, obtains high-quality filtrate at last, and the filter residue that contains gold and silver.
So-called " three washings " is exactly to adopt three layers of dense washing machine, and the underflow of " secondary settlement " is carried out repetitive scrubbing, obtains meeting the burning slag of carrying lsp request, and the washing water retrieval system continues to use.
The utility model beneficial effect: adopted the flocculating aids filtering technique, overcome the difficult problem that sad filter of suspended solid and crystal of calcium sulfate stop up filter cloth easily, prolonged filter cloth duration of service, improve the pickling liquor decontamination index, successfully pressure filter is applied to the acidleach material filtering, and obtained being applicable to the high-quality filtrate that extracts operation, and meet the burning slag of carrying lsp request.
Four, description of drawings
Fig. 1: a kind of gold ore is burnt the purification system synoptic diagram of slag pickling liquor
Among the figure, 1, the band filter, 2, three layers of dense washing machine, 3, the individual layer thickener, 4, the individual layer thickener, 5, pressure filter, 6, be subjected to the ore deposit groove, 7, agitation vat, 8, impeller pump, 9, impeller pump, 10, receiver, 11, the ore pulp pump, 12, the ore pulp pump, 13, the ore pulp pump.
Five, embodiment
As shown in Figure 1, the utility model comprises band filter 1, three layers of dense washing machine 2, individual layer thickener 3, individual layer thickener 4, pressure filter 5, is subjected to ore deposit groove 6, agitation vat 7, impeller pump 8 and 9, receiver 10, ore pulp pump 11,12,13, and corresponding deferent road pipe fitting is formed.
Be that example illustrates embodiment of the present utility model now with the cathode copper production plant of handling 200 tons of systems of gold ore our company's day.
From the acidleach material of acidleach operation, enter and carry out a sedimentation in the 18m individual layer thickener 3, its supernatant liquor carries out secondary settlement from flowing in the 15m individual layer thickener 4, and underflow is pumped in three layers of dense washing machine 2 of 12m by ore pulp pump 12 and washs; The supernatant liquor of 15m individual layer thickener 4 is from flowing in the receiver 10, and pumps into XAY-200/1250 pressure filter 5 by impeller pump 9 and filter, and gained filtrate is removed the copper extraction process, and filter residue regularly is discharged into and is subjected in the ore deposit groove 6 and send cyanidation gold-extracted workshop; The underflow of 15m individual layer thickener 4 is pumped in three layers of dense washing machine 2 of 12m by ore pulp pump 11 and washs; The supernatant liquor of three layers of dense washing machine 2 of 12m carries out sedimentation from flowing in the 18m individual layer thickener 3, and underflow is pumped in the band filter 1 by ore pulp pump 13 and filters, and the filtrate retrieval system is reused, and filter residue send cyanidation gold-extracted workshop.
Before pressure filter work, at first use diatomite that filter cloth is carried out flocculating aids hanging operation.Add a certain amount of super-cell in agitation vat 7, water is sized mixing, and pumps in the pressure filter 5 with impeller pump 8 then, and it is adsorbed on the polypropylene fibre filter cloth equably.
Present embodiment one is to have improved the filtrate quality, and wherein the solid content in the filtrate is reduced to 15mg/L ~ 20mg/L by original 120mg/L; The 2nd, prolonged duration of service of canvas press cloth, by original less than one day time lengthening to 10 by 15 days; The 3rd, the extraction working technology condition has obtained obvious improvement, has for example reduced labor strength, has no longer salvaged " three-phase " impurity, extraction agent consumption and reduced 45% etc.; The 4th, the rich copper liquid CuSO of extraction
4Quality and electrodeposition cathode copper quality be significantly increased disposable being up to state standards of electrodeposition cathode copper product.The 5th, reduced the precious metal loss, be subjected to more than 30 ton of ore deposit groove 6 recyclable filter residue every year, wherein about Au content 60g/t, about Ag content 950g/t, economic benefit is obvious.
Claims (1)
1, a kind of gold ore is burnt the purification system of slag pickling liquor, be characterised in that and comprise one three layers dense washing machine (2), the outlet of three layers of dense washing machine (2) is carried out once settled individual layer thickener (3) with the bottom and is connected, individual layer thickener (3) inlet fetches the acidleach material from the acidleach operation, the outlet of individual layer thickener (3) supernatant liquor connects the set individual layer thickener (4) that carries out secondary settlement in bottom through pipeline, the outlet of individual layer thickener (4) supernatant liquor connects the set receiver in bottom (10), receiver (10) connects through impeller pump (9) and pumps into pressure filter (5) and filter, pressure filter (5) bottom be provided be used to hold filter residue be subjected to ore deposit groove (6); The bottom of individual layer thickener (3), (4) connects ore pulp pump (12), (11) respectively, connect in the three layers of dense washing machine (2) that pump into top by ore pulp pump (12), (11) and to wash, three layers of dense washing machine (2) bottom is connected with band filter (1) through ore pulp pump (13), and the underflow that three layers of dense washing machine (2) produce pumps in the band filter (1) through ore pulp pump (13) and filters; At pressure filter (5) before, the agitation vat (7) of sizing mixing by impeller pump (8) connection super-cell and water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200274444U CN201250267Y (en) | 2008-09-04 | 2008-09-04 | Purification system for gold ore concentrate cinder acid leaching solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200274444U CN201250267Y (en) | 2008-09-04 | 2008-09-04 | Purification system for gold ore concentrate cinder acid leaching solution |
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| Publication Number | Publication Date |
|---|---|
| CN201250267Y true CN201250267Y (en) | 2009-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200274444U Expired - Fee Related CN201250267Y (en) | 2008-09-04 | 2008-09-04 | Purification system for gold ore concentrate cinder acid leaching solution |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974455A (en) * | 2012-12-04 | 2013-03-20 | 江西稀有稀土金属钨业集团有限公司 | System and method for adjusting washing water amount of dense countercurrent washing ore leached mud |
| CN110665938A (en) * | 2019-09-29 | 2020-01-10 | 江苏中宜生态土环保工程有限公司 | Harmless and recycling treatment system for electrolytic manganese slag |
| CN112195340A (en) * | 2020-09-28 | 2021-01-08 | 穆索诺伊矿业简易股份有限公司 | Method for reducing suspended solids in copper leaching solution |
| CN113082846A (en) * | 2021-03-26 | 2021-07-09 | 路德环境科技股份有限公司 | Impurity-removing and purifying process and purifying device for alkaline residue of ammonia-soda plant |
| CN113713591A (en) * | 2021-08-20 | 2021-11-30 | 淄博火炬能源有限责任公司 | High-copper content and high-volatility waste acid treatment system and operation method |
| CN115747512A (en) * | 2022-11-22 | 2023-03-07 | 白银有色集团股份有限公司 | Method for improving zinc powder purification efficiency of zinc hydrometallurgy |
-
2008
- 2008-09-04 CN CNU2008200274444U patent/CN201250267Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974455A (en) * | 2012-12-04 | 2013-03-20 | 江西稀有稀土金属钨业集团有限公司 | System and method for adjusting washing water amount of dense countercurrent washing ore leached mud |
| CN102974455B (en) * | 2012-12-04 | 2014-02-12 | 江西稀有稀土金属钨业集团有限公司 | System and method for adjusting washing water amount of dense countercurrent washing ore leached mud |
| CN110665938A (en) * | 2019-09-29 | 2020-01-10 | 江苏中宜生态土环保工程有限公司 | Harmless and recycling treatment system for electrolytic manganese slag |
| CN112195340A (en) * | 2020-09-28 | 2021-01-08 | 穆索诺伊矿业简易股份有限公司 | Method for reducing suspended solids in copper leaching solution |
| CN113082846A (en) * | 2021-03-26 | 2021-07-09 | 路德环境科技股份有限公司 | Impurity-removing and purifying process and purifying device for alkaline residue of ammonia-soda plant |
| CN113713591A (en) * | 2021-08-20 | 2021-11-30 | 淄博火炬能源有限责任公司 | High-copper content and high-volatility waste acid treatment system and operation method |
| CN115747512A (en) * | 2022-11-22 | 2023-03-07 | 白银有色集团股份有限公司 | Method for improving zinc powder purification efficiency of zinc hydrometallurgy |
| CN115747512B (en) * | 2022-11-22 | 2023-12-19 | 白银有色集团股份有限公司 | Method for improving purification efficiency of zinc hydrometallurgy zinc powder |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090603 |