CN102836776B - Mineral separation production process technology - Google Patents
Mineral separation production process technology Download PDFInfo
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- CN102836776B CN102836776B CN201110166923.0A CN201110166923A CN102836776B CN 102836776 B CN102836776 B CN 102836776B CN 201110166923 A CN201110166923 A CN 201110166923A CN 102836776 B CN102836776 B CN 102836776B
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Abstract
The invention provides a mineral separation production process technology, namely a mineral separation production process technology for high-phosphorus hematite. The technology comprises the steps of dry process mineral grinding, wind classification flotation, four-stage high-gradient magnetic separator compounded magnetic separation, second-stage table middle separation and first-stage table scanning separation. With the adoption of the mineral separation production process technology for the high-phosphorus hematite separation, the production cost can be reduced, the product quality can be improved, and the yield can be increased.
Description
Technical field
The present invention relates to technical field of beneficiation, specifically, be to provide a kind of Mineral Dressing Process technology of high-phosphorus hematite.
Background technology
High-phosphorus hematite is geologic sedimentation mineral deposit, and its geology forms the colloid phosphorus produced, and ore grinding and classification produce great difficulty, thus rank uneven be cannot flotation, magnetic separation and gravity treatment, let alone dephosphorization.The present invention is by a large amount of batch production practice and research, take dry method ore grinding, air classification solves a series of problem such as viscosity and grating, and decrease intermediate link, make equipment investment few, reach low cost ore dressing and improve the rate of recovery, real achieves recycling economy, green ore dressing, a brand-new scientific and technological road for the selected place mat of high-phosphorus hematite dephosphorization.
Summary of the invention
The object of the invention is to realize in high-phosphorus hematite ore dressing process, effectively carrying out dephosphorization and fall silicon production
The object of the invention is to shorten hematite separation production line, reduce investment, save man power and material, improve Yield and quality and the rate of recovery.
To achieve these goals, the invention provides a kind of Mineral Dressing Process technology of high-phosphorus hematite, comprise choosing and one-level shaking table in dry method ore grinding, air classification flotation, the magnetic separation of level Four high gradient magnetic separator compound, secondary shaking table and scan.
Specifically comprise the steps:
1) ore bunker is sent after crushing raw ore into;
2) by the feeder bottom ore bunker, mineral aggregate is sent into ball mill;
3) by dust arrester installation, with feeder, breeze is sent into powder material tank;
4) fine ore is quantitatively sent into fine ore stirring pool by powder material tank feeder, joins clear water in proportion and carries out stirring formation ore pulp;
5) ore pulp sends into flotation tank diameter;
6) flotation tank diameter receives the dephosphorization control silicon medicament of reactor preparation tank, medicament and ore pulp is stirred;
7) ore pulp after dispenser agent enters flotation cell and carries out flotation;
8) ore pulp after flotation enters one-level vertical-ring magnetic separator, and the concentrate after magnetic separation is sent into one-level shaking table and comprehensively stirred distributing trough, and mine tailing sends into secondary vertical-ring magnetic separator;
9) mine tailing of one-level vertical-ring magnetic separator is carried out final election by secondary vertical-ring magnetic separator, and the concentrate after magnetic separation is sent into one-level shaking table and comprehensively stirred distributing trough, and mine tailing sends into three grades of vertical-ring magnetic separators;
10) mine tailing that secondary vertical-ring magnetic separator is discharged is carried out final election by three grades of vertical-ring magnetic separators, and the concentrate after magnetic separation is sent into one-level shaking table and comprehensively stirred distributing trough, and mine tailing sends into level Four vertical-ring magnetic separator;
11) final election is carried out in the chats mixing that level Four vertical-ring magnetic separator receives mine tailing in three grades of vertical-ring magnetic separators and I and II shaking table, and concentrate is sent into one-level shaking table and comprehensively stirred distributing trough, and mine tailing is incorporated into secondary shaking table and carries out final election;
12) secondary shaking table distributes the mine tailing that tank diameter receives level Four vertical-ring magnetic separator, and mine tailing is distributed to secondary shaking table and carry out final election, receive concentrate feeding one-level shaking table and comprehensively stir distributing trough, chats mixes level Four vertical-ring magnetic separator and carries out comprehensive final election, and mine tailing is thrown into tailing pit;
13) all concentrate collected after the magnetic separation of one, two, three, four vertical-ring magnetic separator and the final election of secondary shaking table enter after one-level shaking table comprehensively stirs distributing trough mix and blend and send into one-level separation by shaking table tank diameter again;
14) comprehensive ore pulp is arranged and is scanned to one-level shaking table by one-level separation by shaking table tank diameter, and receive concentrate and enter concentrate sedimentation basin, chats returns the final election of level Four vertical-ring magnetic separator, and mine tailing is thrown into tailing pit;
15) foam of flotation, the tail water of concentrate filtration discharge and whole mine tailing and tail water, send into Tailing thickening pond by Pulp pump;
16) mine tailing after concentrating sends into tailing filtration machine by plasma discharge mouth proportioning example water Pulp pump bottom concentration basin, collects mine tailing and sends into mine tailing dryer, dry and obtain mine tailing.
Accompanying drawing explanation
Accompanying drawing is mineral processing circuit figure of the present invention.
In figure, 1. ore bunker, 2. dry method three storehouse ball mill, 3. powder material tank, 4. fine ore stirring pool, 5. feed screw, 6. flotation tank diameter, 7. reactor preparation tank, 8. flotation cell, 9. one-level vertical-ring magnetic separator, 10. secondary vertical-ring magnetic separator, 11. one-level shaking tables comprehensively stir distributing trough, 12. one-level separation by shaking table tank diameters, 13. one-level shaking tables, 14. 3 grades of vertical-ring magnetic separators, 15. secondary separation by shaking table tank diameters, 16. secondary shaking tables, 17. level Four vertical-ring magnetic separators, 18. concentration basins, 19. tailing filtration machines, 20. mine tailing dryers, 21. concentrate ponds, 22. mine tailings
Detailed description of the invention
Accompanying drawings the specific embodiment of the present invention.
Embodiment one:
High-phosphorus hematite dry grinding breeze 500 tons, Contents of Main Components is: Fe 45%, P 1.91%, SiO
219.3%.
1, crushing raw ore is become 0 ~ 12mm mineral aggregate, send into ore bunker 1;
2, by the feeder bottom ore bunker, mineral aggregate is sent into dry method three storehouse ball mill 2;
3, protect dust arrester installation by loopful, with feeder, breeze is sent into powder material tank 3;
4, fine ore is quantitatively sent into fine ore stirring pool 4 by powder material tank feed screw 5, joins clear water in proportion and carries out stirring formation ore pulp;
5, ore pulp sends into flotation tank diameter 6;
6, flotation tank diameter 6 receives the efficient dephosphorization agent (model: LB-1 of reactor preparation tank 7, specification: 25kg, Shanghai Xinyu Environmental Technology Co., Ltd.), after stirring flotation, (facts have proved the grade of the raising iron that flotation is unsuitable too much except decomposing colloid phosphorus substance through a large amount of factorial praluction, otherwise the rate of recovery can be reduced) that ore pulp Contents of Main Components is respectively: Fe 48%; P0.95%; SiO
29.5%.Flotation is adsorbed 50% because colloid phosphorus and medicament carry out physical decomposition, remaining colloid phosphorus and remaining part SiO
2all progressively got rid of in ore dressing by one, two, three, four vertical-ring magnetic separator, secondary shaking table and one-level shaking table below, the non-ferric material of eliminating flows into tailing pit, finally reaches to meet smelting technique standard and be as the criterion.
7, the ore pulp after dispenser agent enters flotation cell 8 and carries out flotation.
8, the ore pulp after flotation enters one-level vertical-ring magnetic separator 9, and after magnetic separation, ore pulp Contents of Main Components is respectively: Fe 52%, P0.7%, SiO
27.5%.Concentrate after magnetic separation is sent into one-level shaking table and is comprehensively stirred distributing trough 11, and mine tailing sends into secondary vertical-ring magnetic separator 10.
9, the mine tailing of one-level vertical-ring magnetic separator 9 is carried out final election (improving the grade adjustment magnetic force electric current of iron on request) by secondary vertical-ring magnetic separator 10, and after magnetic separation, ore pulp Contents of Main Components is respectively: Fe 56%, P 0.5%, SiO
26%.Concentrate after magnetic separation is sent into one-level shaking table and is comprehensively stirred distributing trough 11, and mine tailing sends into three grades of vertical-ring magnetic separators 14.
10, the mine tailing that secondary vertical-ring magnetic separator 10 is discharged by three grades of vertical-ring magnetic separators 14 carries out final election, and after magnetic separation, ore pulp Contents of Main Components is respectively: Fe 60%, P 0.28%, SiO
25%, the concentrate after magnetic separation is sent into one-level shaking table and is comprehensively stirred distributing trough 11, and mine tailing sends into level Four vertical-ring magnetic separator 17.
11, final election is carried out in the chats mixing that level Four vertical-ring magnetic separator 17 receives the mine tailing of iron content 30% in three grades of vertical-ring magnetic separators 14 and one-level shaking table 13 and secondary shaking table 16, and in order to make, the rate of recovery is unaffected, design current makes the grade of iron improve 4 on original basis.Concentrate is sent into one-level shaking table and is comprehensively stirred distributing trough 11, and mine tailing is incorporated into secondary shaking table 16 and carries out final election.
12, secondary separation by shaking table tank diameter 15 receives the mine tailing of level Four vertical-ring magnetic separator 17, and mine tailing is distributed to 20 secondary shaking tables 16 and carry out final election, design secondary shaking table parameter makes the grade improving 5 iron on original basis, and concentrate Contents of Main Components reaches Fe60%, P 0.26%, SiO
24.5%.Receive concentrate feeding one-level shaking table and comprehensively stir distributing trough 11, chats mixes level Four vertical-ring magnetic separator 17 and carries out comprehensive final election, and mine tailing is thrown into Tailing thickening pond 18.
13, level Four vertical-ring magnetic separator 17 magnetic field reaches 10000--12000 Gauss (converted by electric current and obtain), the chats of the mine tailing of three grades of vertical-ring magnetic separators 14 and one-level shaking table 13, secondary shaking table 16 is mixed and carries out final election.Go out finished product concentrate by one-level shaking table 13 and enter concentrate pond 21.
14, the parameter designing one-level shaking table 13 makes the grade of iron improve 10, and produce three kinds of fine ores respectively, three kinds of fine ore Contents of Main Components are respectively: Fe60%, P0.26%, SiO
24.5%; Fe 62%, P 0.21%, SiO
24%; Fe 64%, P0.11%, SiO
23.3%.
15, the comprehensive ratio of three kinds of fine ores is: containing 80 tons, Fe 60% concentrate, accounts for 16% of former Iron Ore Powder 500 tons; Containing 150 tons, Fe62% concentrate, account for 30% of former Iron Ore Powder 500 tons; Containing 113 tons, Fe 64% concentrate, account for 22.6% of former Iron Ore Powder 500 tons.Final concentrate powder comprehensive recovery reaches 68.6%.
16, the mine tailing after concentrating sends into tailing filtration machine 19 by plasma discharge mouth proportioning example water Pulp pump bottom concentration basin 18, and every two of tailing filtration machine 19 is a combination, is used in conjunction with each other by air compressor and vacuum water circulation pump.Blot mine tailing with stainless steel filter screen (200 order mesh) vacuum dehydration, collect after mine tailing sends into the oven dry of mine tailing dryer 20 and namely obtain mine tailing 22.
Embodiment two:
High-phosphorus hematite dry grinding breeze 1000 tons, Contents of Main Components is: Fe 45%, P 1.98%, SiO
219.6%.
1, crushing raw ore is become 0 ~ 12mm mineral aggregate, send into ore bunker 1;
2, by the feeder bottom ore bunker, mineral aggregate is sent into dry method three storehouse ball mill 2;
3, protect dust arrester installation by loopful, with feeder, breeze is sent into powder material tank 3;
4, fine ore is quantitatively sent into fine ore stirring pool 4 by powder material tank feed screw 5, joins clear water in proportion and carries out stirring formation ore pulp;
5, ore pulp sends into flotation tank diameter 6;
6, flotation tank diameter 6 receives the efficient dephosphorization agent (model: LB-1 of reactor preparation tank 7, specification: 25kg, Shanghai Xinyu Environmental Technology Co., Ltd.), after stirring flotation (flotation processing method is identical with example one), ore pulp Contents of Main Components is: Fe 48%, P 0.93%, SiO
210.2%.Flotation is adsorbed 50% because colloid phosphorus and medicament carry out physical decomposition, remaining colloid phosphorus and remaining part Si0
2all progressively get rid of in ore dressing by selecting shaking table and one-level to scan shaking table in one, two, three, four vertical-ring magnetic separator, secondary below, the non-ferric material of eliminating flows into tailing pit, finally reaches to meet smelting technique standard and be as the criterion.
7, the ore pulp after dispenser agent enters flotation cell 8 and carries out flotation.
8, the ore pulp after flotation enters one-level vertical-ring magnetic separator 9, Fe 52%, P 0.69%, SiO after magnetic separation
27.8%, mine tailing sends into secondary vertical-ring magnetic separator 10.
9, the mine tailing of one-level vertical-ring magnetic separator 9 is carried out final election (improving the grade adjustment magnetic force electric current of iron on request) by secondary vertical-ring magnetic separator 10, and after magnetic separation, ore pulp Contents of Main Components is respectively: Fe56%, P 0.51%, SiO
26.2%.After magnetic separation, concentrate is sent into one-level shaking table and is comprehensively stirred distributing trough 11, and mine tailing flows into three grades of vertical-ring magnetic separators 14.
10, the mine tailing that secondary vertical-ring magnetic separator 10 is discharged by three grades of vertical-ring magnetic separators 14 carries out final election, and after magnetic separation, ore pulp Contents of Main Components is respectively: Fe 60.1%, P 0.27%, SiO
24.91%.After magnetic separation, concentrate is sent into one-level shaking table and is comprehensively stirred distributing trough 11, and mine tailing flows into level Four vertical-ring magnetic separator 17.
11, level Four vertical-ring magnetic separator 17 carries out final election by after the mixing of the chats of the mine tailing of iron content 30% in three grades of vertical-ring magnetic separators 14 and one-level shaking table 13 and secondary shaking table 16, in order to make the rate of recovery unaffected, electric current only designs and makes the grade of iron improve 4 on its original basis, concentrate is sent into one-level shaking table and is comprehensively stirred distributing trough 11, and mine tailing is incorporated into secondary shaking table 16 and carries out final election.
12, secondary separation by shaking table tank diameter 15 receives the mine tailing of level Four vertical-ring magnetic separator 17, and mine tailing is distributed to 20 secondary shaking tables 16 and carry out final election, the grade 5 that design secondary shaking table parameter makes it improve iron on original basis, concentrate Contents of Main Components reaches Fe 60%, P 0.26%, SiO
24.6%, concentrate is sent into one-level shaking table and is comprehensively stirred distributing trough 11, and chats is incorporated in level Four vertical-ring magnetic separator 17 and carries out comprehensive final election, and mine tailing is thrown into Tailing thickening pond 18.
13, level Four vertical-ring magnetic separator 17 magnetic field reaches 10000--12000 Gauss (converted by electric current and obtain), the chats of the mine tailing of three grades of vertical-ring magnetic separators 14 and one-level shaking table 13, secondary shaking table 16 is mixed and carries out final election.Go out finished product concentrate by one-level shaking table 13 and enter concentrate pond 21.
14, the parameter designing one-level shaking table 13 makes the grade of iron improve 10, and produce three kinds of fine ores respectively, three kinds of fine ore Contents of Main Components are respectively: Fe60%, P0.26%, SiO
24.6%; Fe62%, P 0.21%, SiO
24%; Fe64%, P 0.11%, SiO
23.2%.
15, the comprehensive ratio of three kinds of fine ores is: containing 160 tons, Fe60% concentrate, accounts for 16% of former Iron Ore Powder 1000 tons; Containing 300 tons, Fe62% concentrate, account for 30% of former Iron Ore Powder 1000 tons; Containing 226 tons, Fe64% concentrate, account for 22.6% of former Iron Ore Powder 1000 tons.Final concentrate powder comprehensive recovery reaches 68.6%.
16, the mine tailing after concentrating sends into tailing filtration machine 19 by plasma discharge mouth proportioning example water Pulp pump bottom concentration basin 18, and every two of tailing filtration machine 19 is a combination, is used in conjunction with each other by air compressor and vacuum water circulation pump.Blot mine tailing with stainless steel filter screen (200 order mesh) vacuum dehydration, collect after mine tailing sends into the oven dry of mine tailing dryer 20 and namely obtain mine tailing 22.
Claims (1)
1. a Mineral Dressing Process technology, i.e. the Mineral Dressing Process technology of high-phosphorus hematite, comprise choosing and one-level shaking table in dry method ore grinding, air classification flotation, the magnetic separation of level Four high gradient magnetic separator compound, secondary shaking table and scan,
Specifically comprise the steps:
1) ore bunker is sent after crushing raw ore into;
2) by the feeder bottom ore bunker, mineral aggregate is sent into ball mill;
3) by dust arrester installation, with feeder, breeze is sent into powder material tank;
4) fine ore is quantitatively sent into fine ore stirring pool by powder material tank feeder, joins clear water in proportion and carries out stirring formation ore pulp;
5) ore pulp sends into flotation tank diameter;
6) flotation tank diameter receives the dephosphorization control silicon medicament of reactor preparation tank, medicament and ore pulp is stirred;
7) ore pulp after dispenser agent enters flotation cell and carries out flotation;
8) ore pulp after flotation enters one-level vertical-ring magnetic separator, and the concentrate after magnetic separation is sent into one-level shaking table and comprehensively stirred distributing trough, and mine tailing sends into secondary vertical-ring magnetic separator;
9) mine tailing of one-level vertical-ring magnetic separator is carried out final election by secondary vertical-ring magnetic separator, and the concentrate after magnetic separation is sent into one-level shaking table and comprehensively stirred distributing trough, and mine tailing sends into three grades of vertical-ring magnetic separators;
10) mine tailing that secondary vertical-ring magnetic separator is discharged is carried out final election by three grades of vertical-ring magnetic separators, and the concentrate after magnetic separation is sent into one-level shaking table and comprehensively stirred distributing trough, and mine tailing sends into level Four vertical-ring magnetic separator;
11) final election is carried out in the chats mixing that level Four vertical-ring magnetic separator receives mine tailing in three grades of vertical-ring magnetic separators and I and II shaking table, and concentrate is sent into one-level shaking table and comprehensively stirred distributing trough, and mine tailing is incorporated into secondary shaking table and carries out final election;
12) secondary shaking table distributes the mine tailing that tank diameter receives level Four vertical-ring magnetic separator, and mine tailing is distributed to secondary shaking table and carry out final election, receive concentrate feeding one-level shaking table and comprehensively stir distributing trough, chats mixes level Four vertical-ring magnetic separator and carries out comprehensive final election, and mine tailing is thrown into tailing pit;
13) all concentrate collected after the magnetic separation of one, two, three, four vertical-ring magnetic separator and the final election of secondary shaking table enter after one-level shaking table comprehensively stirs distributing trough mix and blend and send into one-level separation by shaking table tank diameter again;
14) comprehensive ore pulp is arranged and is scanned to one-level shaking table by one-level separation by shaking table tank diameter, and receive concentrate and enter concentrate sedimentation basin, chats returns the final election of level Four vertical-ring magnetic separator, and mine tailing is thrown into tailing pit;
15) foam of flotation, the tail water of concentrate filtration discharge and whole mine tailing and tail water, send into Tailing thickening pond by Pulp pump;
16) mine tailing after concentrating sends into tailing filtration machine by plasma discharge mouth proportioning example water Pulp pump bottom concentration basin, collects mine tailing and sends into mine tailing dryer, dry and obtain mine tailing.
Priority Applications (1)
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| CN201110166923.0A CN102836776B (en) | 2011-06-21 | 2011-06-21 | Mineral separation production process technology |
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| CN201110166923.0A CN102836776B (en) | 2011-06-21 | 2011-06-21 | Mineral separation production process technology |
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| CN102836776A CN102836776A (en) | 2012-12-26 |
| CN102836776B true CN102836776B (en) | 2015-04-29 |
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| CN201110166923.0A Expired - Fee Related CN102836776B (en) | 2011-06-21 | 2011-06-21 | Mineral separation production process technology |
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| CN108126827B (en) * | 2017-12-11 | 2019-10-29 | 北矿机电科技有限责任公司 | A kind of mineral floating method and floatation system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6170669B1 (en) * | 1998-06-30 | 2001-01-09 | The Commonwealth Of Australia Commonwealth Scientific And Industrial Research Organization | Separation of minerals |
| CN1857783A (en) * | 2006-05-30 | 2006-11-08 | 长沙矿冶研究院 | Beneficiation method for weak magnetic iron ores such as siderite, limonite and siderite paragenetic ore |
| CN101264466A (en) * | 2008-05-12 | 2008-09-17 | 昆明理工大学 | High phosphorus and sulphur siderite full flotation mineral separation method |
| CN101862701A (en) * | 2010-05-14 | 2010-10-20 | 昆明钢铁控股有限公司 | Comprehensive processing method of high phosphorus-sulfur siderite |
| CN101927236A (en) * | 2009-06-24 | 2010-12-29 | 鞍钢集团矿业公司 | Lean hematite technology combining dressing-fine screening and shaking table gravity separation |
-
2011
- 2011-06-21 CN CN201110166923.0A patent/CN102836776B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6170669B1 (en) * | 1998-06-30 | 2001-01-09 | The Commonwealth Of Australia Commonwealth Scientific And Industrial Research Organization | Separation of minerals |
| CN1857783A (en) * | 2006-05-30 | 2006-11-08 | 长沙矿冶研究院 | Beneficiation method for weak magnetic iron ores such as siderite, limonite and siderite paragenetic ore |
| CN101264466A (en) * | 2008-05-12 | 2008-09-17 | 昆明理工大学 | High phosphorus and sulphur siderite full flotation mineral separation method |
| CN101927236A (en) * | 2009-06-24 | 2010-12-29 | 鞍钢集团矿业公司 | Lean hematite technology combining dressing-fine screening and shaking table gravity separation |
| CN101862701A (en) * | 2010-05-14 | 2010-10-20 | 昆明钢铁控股有限公司 | Comprehensive processing method of high phosphorus-sulfur siderite |
Non-Patent Citations (1)
| Title |
|---|
| 《四川某高磷鲕状赤褐铁矿选矿试验研究》;李广涛;《中国优秀硕士学位论文全文数据库（电子期刊）工程科技I辑》;20080915(第05期);第9-10页 * |
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