CN1562492A - Technique for fast selecting plumbum and zinc for sulphidic ore of plumbum-zinc - Google Patents
Technique for fast selecting plumbum and zinc for sulphidic ore of plumbum-zinc Download PDFInfo
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- CN1562492A CN1562492A CN 200410014573 CN200410014573A CN1562492A CN 1562492 A CN1562492 A CN 1562492A CN 200410014573 CN200410014573 CN 200410014573 CN 200410014573 A CN200410014573 A CN 200410014573A CN 1562492 A CN1562492 A CN 1562492A
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Abstract
A technology for quickly separating lead and zinc from the lead zinc sulfuride ore features that before the lead and/or zinc are separated, there is a fast floatation step in which a high-selectivity capturer with weak capture power is used to float lead and/or zinc.
Description
Technical field
The present invention relates to a kind of FLOTATION SEPARATION lead of metal sulfide floatation process, particularly lead zinc sulphur ore, the technology of zinc.
Background technology
At present, both at home and abroad to lead-zinc polymetallic sulfide ore particularly the mineral separation process of the plumbous zinc ore of high-sulfur normally adopt and press down the floating plumbous controling differential flotation process for copper of zinc, only have the minority ore dressing plant to adopt the bulk flotation of plumbous zinc sulphur iron to be gone out carry out again earlier the full bulk flotation technology that plumbous zinc sulphur iron separates or select lead and zinc bulk concentrate earlier and carry out plumbous zinc separated portions bulk flotation technology again.Have only seldom ore dressing plant to adopt to select earlier a part of lead and zinc bulk concentrate directly as product, again select lead, select zinc, select sulphur etc. can float flow process, Deng floating flow process, also uneconomical on the benefit because plumbous zinc can not form the lead concentrate of single high-recovery and separate almost seldom use with zinc concentrate at plumbous zinc.The full mixing still is that partially mixed plumbous zinc floatation process is all roughly selected, and the flotation device that needs is a lot, and plumbous, zinc concentrate product is general to be contained higherly mutually, and the rate of recovery is not high.Therefore, controling differential flotation process for copper is with the most use, and controling differential flotation process for copper also is less expensive, simple and index flow process preferably in these four kinds of floatation process.But controling differential flotation process for copper just has shortcoming for handling some high-grade lead zinc sulphur ores and handling some lead zinc sulphur ore and multi-metal sulfides that contain the independent silver deposit thing, it can not realize simultaneously that lead, zinc and silver raising recovery rate are all the highest and plumbous, all best problem of zinc concentrate master grade, particularly to high-grade raw ore, controling differential flotation process for copper just more can not satisfy, and it exists long flow path, plumbous zinc and silver etc. to run tail height, concentrate quality is relatively poor and cost is higher defective.
Summary of the invention
The technical problem to be solved in the present invention is that existing floatation process lead, zinc run the tail height, concentrate quality is poor, and the cost problem of higher provides a kind of economy, simple, suitable, the good flotation flowsheet technology of separating effect.
Lead zinc sulphur ore fast selecting plumbum and zinc technology of the present invention, comprise the selecting plumbum and zinc step,, have and select step soon at choosing lead and/or before selecting the zinc step, use the more weak and selectivity of collecting ability collecting agent preferably in this step, with flotation speed purpose mineral emersion faster.
In the above-mentioned fast selecting plumbum and zinc technology,, can before selecting plumbous step, utilize and select step to select lead soon soon in order to improve lead recovery and concentrate quality.
In the above-mentioned fast selecting plumbum and zinc technology,, can before selecting the zinc step, utilize and select step to select zinc soon soon in order to improve zinc recovery and concentrate quality.
In order to improve the silver-colored rate of recovery, can when fast choosing is plumbous, select silver soon, promptly before selecting plumbous step, utilize and select step to select lead, silver soon soon.
In above-mentioned each technology, pulp PH value was preferably 12.0-12.6 when fast choosing was plumbous, and preferably adding the aniline black powder is that master, sulphur nitrogen are the collecting agent of assisting.
In above-mentioned each technology, pulp PH value was preferably 7.0-12.0 when fast choosing was plumbous, silver-colored, and preferred pH value is 10.5-11.2, and preferably adding the aniline black powder is that master, sulphur nitrogen are the collecting agent of assisting.
In above-mentioned each technology, pulp PH value is preferably 12.3-12.5 when selecting zinc soon, and preferably adding sulphur nitrogen is that master, butyl xanthate are the collecting agent of assisting.
The present invention utilizes lead, zinc to be equal to the characteristics that there is the flotation speed difference in the metalloid sulfide mineral, utilize the more weak and good collecting agent of selectivity of collecting ability selecting step soon, the quick emersion of the good purpose mineral of the very fast grade of most flotation speed, rate is introduced into product, avoid this part purpose mineral in flotation, to form useless poor circulation, and adsorb more beneficiation reagent, and tie up limited flotation space simultaneously, waste too much power consumption; And then adopt conventional coarse scan to select selected flotation flowsheet, remaining come-up purpose mineral choosing is clean, thereby finally realize the purpose of high-quality high-recovery, this invention has that processing cost is low, the scope of application is very wide, be a kind of economy, simple, be suitable for, the good flotation process of separating effect.Be specially adapted to sort with the lead zinc sulphur ore and the multi-metal sulfide that contain the independent silver deposit thing than the lead zinc sulphur ore of high-grade.
Description of drawings
Fig. 1 is existing lead zinc sulphur ore controling differential flotation process for copper schematic diagram
Fig. 2 is the fast selecting plumbum and zinc process schematic representation of a kind of specific embodiment of the present invention
The specific embodiment
The raw ore that example one and Comparative Examples sort is one to contain the lead zinc sulphur ore of symbiosis and independent silver deposit thing, account for 30% with the silver mineral of plumbous symbiosis, the independent silver deposit thing accounts for 35%, other and zinc, the symbiosis of sulphur iron, and its head grade is: Pb4.50%, Zn9.42%, S26.80%, Ag131g/t.
Example one:
According to the technology shown in the figure two, ball milling add different amounts lime and 40g/t be that main sulphur nitrogen is the hybrid collector of assisting with the aniline black powder, mog-200 order is 75%, add foaming agent 20g/t, fast a part of floatability silver well plumbous and monomer is selected into lead concentrate, adding 30g/t again is that main butyl xanthate is the hybrid collector of assisting with diethyldithiocarbamate, add foaming agent 20g/t, remaining lead of flotation and part silver, plumbous tail adds 350g/t copper sulphate and stirs, and adds lime and regulates PH, and adding the 100g/t diethyldithiocarbamate again is that main butyl xanthate is the hybrid collector of assisting, add foaming agent 20g/t, fast the good zinc of a part of floatability is selected into zinc concentrate product, add 60g/t butyl xanthate collecting agent again, add foaming agent 20g/t, the remaining zinc of flotation, closed circuit sorting the results are shown in Table one:
Table one:
| Fast selecting plumbum and zinc technology | ||||||
| Select plumbous pH value soon | ????7 | ????11.0 | ????12.2 | ????12.4 | ????12.7 | |
| Select plumbous pH value | ????12.4 | ????12.4 | ????12.4 | ????12.4 | ????12.7 | |
| Select zinc soon and select the zinc pH value | ????12.4 | ????12.4 | ????12.4 | ????12.4 | ????12.7 | |
| Lead concentrate | Plumbous grade (%) | ????50.90 | ????63.65 | ????63.74 | ????63.83 | ????64.11 |
| Lead recovery (%) | ????91.86 | ????92.32 | ????92.45 | ????92.51 | ????92.50 | |
| Silver raising recovery rate (%) | ????73.01 | ????65.75 | ????45.80 | ????35.92 | ????35.40 | |
| Zinc concentrate | Zinc grade (%) | ????53.45 | ????53.55 | ????53.48 | ????53.50 | ????53.49 |
| Zinc recovery (%) | ????89.78 | ????92.13 | ????92.21 | ????92.35 | ????92.40 | |
Example two Comparative Examples:
According to technology shown in Figure 1, ball milling add different amounts lime and 70g/t be that main sulphur nitrogen is the hybrid collector of assisting with the aniline black powder, mog-200 order is 75%, adds foaming agent 40g/t, preferentially selects lead, plumbous tail adds 350g/t copper sulphate and stirs, add lime and regulate PH, add 150g/t butyl xanthate collecting agent again, add foaming agent 20g/t, flotation zinc, closed circuit sorting the results are shown in Table two:
Table two:
| Plumbous zinc controling differential flotation process for copper | ||||||
| Select plumbous pH value | ????7 | ????11.0 | ????12.2 | ????12.4 | ????12.7 | |
| Select the zinc pH value | ????12.4 | ????12.4 | ????12.4 | ????12.4 | ????12.7 | |
| Lead concentrate | Plumbous grade (%) | ????30.90 | ????51.72 | ????62.92 | ????63.93 | ????64.31 |
| Lead recovery (%) | ????88.86 | ????90.52 | ????91.08 | ????91.11 | ????90.80 | |
| Silver raising recovery rate (%) | ????74.01 | ????70.75 | ????45.80 | ????35.92 | ????35.40 | |
| Zinc concentrate | Zinc grade (%) | ????53.50 | ????53.65 | ????53.55 | ????53.49 | ????53.67 |
| Zinc recovery (%) | ????87.45 | ????90.65 | ????91.23 | ????91.30 | ????91.28 | |
Example three:
Raw ore to different grades, according to technology shown in Figure 2, the lime and the 40g/t that add the lime of 1.5kg/t at ball milling are that main sulphur nitrogen is the hybrid collector of assisting with the aniline black powder, mog-200 order is 75%, add foaming agent 20g/t, fast a part of floatability silver well plumbous and monomer is selected into lead concentrate, adding with diethyldithiocarbamate is that main butyl xanthate is the hybrid collector of assisting again, add foaming agent 20g/t, remaining lead of flotation and part silver, plumbous tail adds 350g/t copper sulphate and stirs, add lime and regulate PH, adding the 100g/t diethyldithiocarbamate again is that main butyl xanthate is the hybrid collector of assisting, and adds foaming agent 20g/t, fast the good zinc of a part of floatability is selected into zinc concentrate product, add the butyl xanthate collecting agent again, add foaming agent 20g/t, the remaining zinc of flotation, closed circuit sorting the results are shown in Table three:
Table three:
| Raw ore | Raw ore 1 | Raw ore 2 | Raw ore 3 | |
| Head grade (%) | ????Pb | ????4.50 | ????2.35 | ????6.82 |
| ????Zn | ????9.42 | ????5.63 | ????15.32 | |
| ????S | ????26.80 | ????27.21 | ????28.35 | |
| ????Ag(g/t) | ????131 | ????110 | ????168 | |
| Plumbous grade (%) | ????63.65 | ????62.30 | ????70.45 | |
| Lead recovery (%) | ????92.32 | ????89.78 | ????94.55 | |
| Silver raising recovery rate (%) | ????65.75 | ????60.05 | ????70.52 | |
| Zinc grade (%) | ????53.55 | ????52.45 | ????55.75 | |
| Zinc recovery (%) | ????92.13 | ????91.87 | ????94.62 | |
From table, each index contrast can be found out in the table two: the example one, two that adopts the described technology of this invention, promptly in grinding machine, add an amount of lime pulp PH value is controlled at 7-12, adding with the aniline black powder in grinding machine simultaneously is that main sulphur nitrogen is the hybrid collector of assisting, utilize and select flow process soon, fast a part of floatability silver well plumbous and monomer is selected into lead concentrate, the pH value of regulating ore pulp with lime is that main butyl xanthate is the hybrid collector remaining lead of flotation and part silver under electronegative potential of assisting at 12.3-12.5 in order to diethyldithiocarbamate again; Plumbous tail adds copper sulphate and stirs, add lime and regulate PH, adding with diethyldithiocarbamate is that main butyl xanthate is the hybrid collector of assisting again, add foaming agent, fast the good zinc of a part of floatability is selected into zinc concentrate product, add the butyl xanthate collecting agent again, add foaming agent 20g/t, the remaining zinc of flotation, thus finally realized the purpose of high-quality high-recovery.This invention has that processing cost is low, the scope of application is very wide, be a kind of economy, simple, be suitable for, the good flotation process of separating effect.
Claims (10)
1. lead zinc sulphur ore fast selecting plumbum and zinc technology, comprise the selecting plumbum and zinc step, it is characterized in that: choosing is plumbous and/or select before the zinc step, has and selects step soon, use the more weak and selectivity of collecting ability collecting agent preferably in this step, with flotation speed purpose mineral emersion faster.
2. lead zinc sulphur ore fast selecting plumbum and zinc technology according to claim 1 is characterized in that: the described step of selecting was soon arranged before selecting plumbous step, and described purpose mineral are plumbous.
3. lead zinc sulphur ore fast selecting plumbum and zinc technology according to claim 2 is characterized in that: described purpose mineral also comprise silver.
4. lead zinc sulphur ore fast selecting plumbum and zinc technology according to claim 2 is characterized in that: select soon in the step described, pulp PH value is 12.0-12.6.
5. lead zinc sulphur ore fast selecting plumbum and zinc technology according to claim 3 is characterized in that: select soon in the step described, pulp PH value is 7.0-12.0.
6. lead zinc sulphur ore fast selecting plumbum and zinc technology according to claim 5 is characterized in that: select soon in the step described, pulp PH value is 10.5-11.2.
7. lead zinc sulphur ore fast selecting plumbum and zinc technology according to claim 1 is characterized in that: had before selecting the zinc step and select step soon, described purpose mineral are zinc.
8. lead zinc sulphur ore fast selecting plumbum and zinc technology according to claim 7 is characterized in that: select soon in the step described, pulp PH value is 12.3-12.5.
9. according to described any one the described lead zinc sulphur ore fast selecting plumbum and zinc technology of claim 2 to 6, it is characterized in that: select soon in the step described, add based on the aniline black powder, sulphur nitrogen is the collecting agent of assisting.
10. according to claim 7 or 8 described lead zinc sulphur ore fast selecting plumbum and zinc technologies, it is characterized in that: select soon in the step described, add based on diethyldithiocarbamate, butyl xanthate is the collecting agent of assisting.
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| CN1242851C CN1242851C (en) | 2006-02-22 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102747228A (en) * | 2012-07-18 | 2012-10-24 | 云南昆欧科技有限责任公司 | Method for recycling valuable elements from blast furnace gas mud |
| CN105289850A (en) * | 2015-11-17 | 2016-02-03 | 昆明理工大学 | Independent silver ore flotation method |
| CN106733205A (en) * | 2016-12-11 | 2017-05-31 | 南京银茂铅锌矿业有限公司 | The Efficient beneficiation method of troilite in lead zinc flotation tailing |
| CN107537695A (en) * | 2017-08-14 | 2018-01-05 | 内蒙古森泰企业咨询有限公司 | A kind of method for improving complex lead zinc ores metal recovery rate |
| CN107999267A (en) * | 2017-12-12 | 2018-05-08 | 西部矿业股份有限公司 | High sulfur-lead-zinc ore floatation separation process under a kind of high concentration environment |
| CN109622235A (en) * | 2018-12-06 | 2019-04-16 | 贵州省新材料研究开发基地 | A kind of zinc leaching residue wet-leaching lead, silver-colored waste residue recycle copper collecting solution |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101327465B (en) * | 2008-07-25 | 2011-02-16 | 紫金矿业集团股份有限公司 | Flotation reagent and method of complex lead oxide ore |
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- 2004-04-06 CN CN 200410014573 patent/CN1242851C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102747228A (en) * | 2012-07-18 | 2012-10-24 | 云南昆欧科技有限责任公司 | Method for recycling valuable elements from blast furnace gas mud |
| CN105289850A (en) * | 2015-11-17 | 2016-02-03 | 昆明理工大学 | Independent silver ore flotation method |
| CN106733205A (en) * | 2016-12-11 | 2017-05-31 | 南京银茂铅锌矿业有限公司 | The Efficient beneficiation method of troilite in lead zinc flotation tailing |
| CN107537695A (en) * | 2017-08-14 | 2018-01-05 | 内蒙古森泰企业咨询有限公司 | A kind of method for improving complex lead zinc ores metal recovery rate |
| CN107999267A (en) * | 2017-12-12 | 2018-05-08 | 西部矿业股份有限公司 | High sulfur-lead-zinc ore floatation separation process under a kind of high concentration environment |
| CN107999267B (en) * | 2017-12-12 | 2019-09-13 | 西部矿业股份有限公司 | High sulfur-lead-zinc ore floatation separation process under a kind of high concentration environment |
| CN109622235A (en) * | 2018-12-06 | 2019-04-16 | 贵州省新材料研究开发基地 | A kind of zinc leaching residue wet-leaching lead, silver-colored waste residue recycle copper collecting solution |
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| CN1242851C (en) | 2006-02-22 |
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Owner name: NANJING YINGMAO LEAD + ZINC MINING CO., LTD. Free format text: FORMER OWNER: XINYANG MINING IND CO., LTD., XIXIASHAN, NANJING Effective date: 20090710 |
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Effective date of registration: 20090710 Address after: No. 81, Qixia street, Qixia District, Jiangsu, Nanjing Patentee after: Nanjing Yinmao Lead-zinc Mine Co., Ltd. Address before: No. 81, Qixia street, Qixia District, Jiangsu, Nanjing Patentee before: Xinyang Mining Ind Co., Ltd., Xixiashan, Nanjing |
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Granted publication date: 20060222 Termination date: 20130406 |