CN105772211B - A kind of method for arranging of magnetite ore magnetic separation unit equipment - Google Patents
A kind of method for arranging of magnetite ore magnetic separation unit equipment Download PDFInfo
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- CN105772211B CN105772211B CN201610221341.0A CN201610221341A CN105772211B CN 105772211 B CN105772211 B CN 105772211B CN 201610221341 A CN201610221341 A CN 201610221341A CN 105772211 B CN105772211 B CN 105772211B
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- ore
- cyclone
- grinding machine
- magnetic separator
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- 238000000034 method Methods 0.000 title claims abstract description 24
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000007885 magnetic separation Methods 0.000 title claims abstract description 23
- 238000000227 grinding Methods 0.000 claims abstract description 49
- 239000006148 magnetic separator Substances 0.000 claims abstract description 34
- 239000004576 sand Substances 0.000 claims abstract description 20
- 239000002002 slurry Substances 0.000 claims abstract description 14
- 239000011435 rock Substances 0.000 claims abstract description 10
- 239000012141 concentrate Substances 0.000 claims description 14
- 230000008676 import Effects 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 54
- 230000005291 magnetic effect Effects 0.000 abstract description 35
- 229910052742 iron Inorganic materials 0.000 abstract description 27
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract description 5
- 239000002245 particle Substances 0.000 description 12
- 229910052500 inorganic mineral Inorganic materials 0.000 description 9
- 239000011707 mineral Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229910001608 iron mineral Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010494 dissociation reaction Methods 0.000 description 2
- 230000005593 dissociations Effects 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052598 goethite Inorganic materials 0.000 description 1
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910021646 siderite Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
- Cyclones (AREA)
Abstract
The invention discloses a kind of method for arranging of magnetite ore magnetic separation unit equipment, rock feeder (6) is connect by grinding machine mineral-feeding pipe slot (61) with the grinding machine feed port (11) of ball mill (1), grinding machine feed port (11) is connect by sand setting delivery pipe (51) with the spigot (53) of cyclone (5), and grinding machine gape (12) is connect by magnetic separator mineral-feeding pipe slot (13) and magnetic separator (2) to ore deposit case (21)；Slime dam (3), ore slurry pump (4) are set up between magnetic separator (2) and cyclone (5), the tailing mouth (24) of magnetic separator (2) is connect by tailing barrel (25) with slime dam (3), it is connect between slime dam (3) and ore slurry pump (4) by inlet pipe (41), ore slurry pump (4) is connect by mineral-feeding pipe (52) with the feed port (54) of cyclone (5).The present invention can magneticly elect qualified magnetic iron ore with flash, improve classification efficiency, avoid overground magnetic iron ore, reduction ore dressing energy consumption, the raising magnetic iron ore rate of recovery.
Description
Technical field
The invention belongs to iron ore dressing technical fields, and in particular to it is a kind of be quickly obtained magnetite concentrate to ore deposit, mill
Ore deposit, classification, magnetic separation unit equipment method for arranging, it can also be used to containing weak magnetics such as bloodstone, goethite, siderite, limonite, manganese ores
The flash magnetic separation of iron mineral.
Background technology
When ore processing sorts, to ensure the separation of mineral and gangue, first ore grinding is needed, makes valuable mineral and gangue monomer
Dissociation.Existing grinding operation has the methods of open-circuit grinding and closed circuit grinding.Open-circuit grinding is that the material of ball mill discharge no longer returns
Return grinding machine；And the material that ball mill is discharged during closed circuit grinding is introduced into grader, and particulate qualified products are separated and are sent into time
Next operation, and coarse fraction then returns to ball mill and regrinds.Processing capacity when closed circuit grinding can improve the platform of ball mill, and can avoid
It is overground, argillization phenomenon is reduced, so in the closed circuit flow that the widely used grinding machine of factory is selected to coordinate with graded operation.Existing closed circuit grinding
In set up have the classifying equipoments such as hydrocyclone, spiral classifier.Since the density of particle, granularity are different in ore pulp, by
Centrifugal force, centripetal buoyancy, fluid drag etc. it is of different sizes, acted on by centrifugal sedimentation, most crude particle, heavy ore particle
It is discharged through classifying equipoment underflow opening, the small ore particle of fine grained proportion is discharged by overflow port.To containing magnetite ore closed circuit grinding again
Carrying out magnetic separation, there is also following problems：The proportion of magnet ore particle is more than gangue mineral, and when granularity is close, magnetic iron ore ore particle sinks
Reduction of speed degree is more than gangue mineral particle, and therefore, the magnetic iron ore ore particle of monomer dissociation settles soon in classification process, it is impossible in time
Discharged from overflow, and enter grader sand return in, together with the intergrowth of other magnetic iron ores and gangue mineral enter ore grinding
Machine is regrinded, and not only classification efficiency reduces, and magnetic iron ore ore particle grinds meticulous (overground), wastes ore grinding energy consumption, meticulous magnet
The unfavorable rate of recovery for sorting recycling, reducing magnetic iron ore of ore deposit.
In order to reduce overground phenomenon, Chinese patent ZL201010177556.x discloses a kind of low-ore grade magnetic iron ore production
The beneficiation method of high quality iron ore concentrate, this method can throw tail in advance, reduce the generation of overground phenomenon, but cannot obtain in advance
Qualified magnetite concentrate.
Invention content
The purpose of the present invention provides a kind of simple in structure, use aiming at the above-mentioned problems in the prior art
The method for arranging of convenient, widely used magnetite ore magnetic separation unit equipment, applied to sudden strain of a muscle of the ore dressing plant containing magnetite ore
Fast magnetic separation.
Above-mentioned purpose to realize the present invention, a kind of method for arranging of magnetite ore magnetic separation unit equipment of the present invention pass through
Following technical scheme is realized.
A kind of method for arranging of magnetite ore magnetic separation unit equipment of the present invention contains ball mill, magnetic in a combination thereof equipment
Select machine, cyclone, rock feeder and waterworks.The feed end of the ball mill is equipped with grinding machine feed port, the discharging of ball mill
End is equipped with grinding machine gape；The barrel of magnetic separator feed side, which is equipped with, gives ore deposit case, and the opposite side of barrel of magnetic separator is equipped with essence
Ore deposit case, magnetic separator groove body bottom are equipped with tailing mouth；The top side of the cyclone is equipped with feed port, and the top of cyclone is equipped with
Overflow port, the cone base of cyclone are equipped with spigot.The rock feeder is given by the grinding machine of grinding machine mineral-feeding pipe slot and ball mill
Mine mouth connects, and grinding machine feed port is connected by the spigot of sand setting delivery pipe and cyclone, and grinding machine gape is given by magnetic separator
Pipe slot and magnetic separator are connected to ore deposit case；Slime dam, ore slurry pump, the tailing of magnetic separator are set up between magnetic separator and cyclone
Mouth is connect by tailing barrel with slime dam, is connected between ore slurry pump and ore slurry pump by inlet pipe, ore slurry pump passes through mineral-feeding pipe
It is connect with the feed port of cyclone；The overflow port of cyclone is connect with overflow drain.
The waterworks are made of water-main, preceding feed pipe, rear feed pipe, and rear feed pipe is mounted on sand setting delivery pipe
On, preceding feed pipe is mounted on grinding machine gape, and the import of preceding feed pipe, rear feed pipe is connected respectively with water-main.
Certainly, the cyclone can also be replaced with spiral classifier.
A kind of method for arranging of magnetite ore magnetic separation unit equipment of the present invention when in use, treats that grind materials are passed through by rock feeder
Grinding machine mineral-feeding pipe slot and ore grinding feed port feed ball mill, and material is polished to be discharged by grinding machine gape, is added with preceding feed pipe
Enter suitable quantity of water and ensure flash magnetic separation after suitable concentration, is i.e. the ore discharge of ball mill directly feeds magnetic separator and gives ore deposit case, and magnetic iron ore is in magnetic
It selects under machine effect, is collected into concentrate case.Non- magnetic iron ore grain or magnetic iron ore and non-magnetic iron mineral intergrowth master by magnetic separator
To enter cyclone or spiral classifier through tailing barrel by tailing mouth.After cyclone or spiral classifier processing, non-magnet
Ore particle or magnetic and non-magnetic iron mineral intergrowth are divided into two ranks of thickness, and rough grain is as sand setting in hierarchy system.Sand setting needs
It to flow into ball mill through sand setting delivery pipe, grinding machine feed port and regrind.Feed pipe adds water to sand setting delivery pipe afterwards, to sand setting delivery pipe
In sand setting get excited, and adjust ore milling concentration.Particulate ore particle in hierarchy system is discharged as overflow from overflow port, under
One ore-dressing practice uses.
A kind of method for arranging of magnetite ore magnetic separation unit equipment of the present invention, Process configuration is simple, flexible for installation, can be with
Qualified magnet mineral are selected in advance, are improved classification efficiency, are avoided overground magnet mineral, reduction ore dressing energy consumption, raising magnetic iron ore
The object rate of recovery.
A kind of method for arranging of magnetite ore magnetic separation unit equipment of the present invention is after adopting the above technical scheme, with following
Advantageous effect：
(1) it is widely used, the flash magnetic concentration working or nonmetallic ore of the magnet mineral recycling that can be applied to ore dressing plant remove iron
Operation；
(2) magnetite ore magnetic plant method for arranging, equipment installation is simple, saving of work and time；
(3) qualified magnetic iron ore can be selected in advance, improve classification efficiency, avoid magnetic iron ore is overground, reduce ore dressing energy consumption,
Improve the magnetic iron ore rate of recovery.
Description of the drawings
Fig. 1 is a kind of layout of equipment of the method for arranging of magnetite ore magnetic separation unit equipment of the present invention.
Reference numeral is：1- ball mills；11- grinding machine feed ports；12- grinding machine gapes；13- magnetic separator mineral-feeding pipe slots；2-
Magnetic separator；21- gives ore deposit case；22- concentrate casees；23- concentrate barrels；24- tailing mouths；25- tailing barrels；3- slime dams；4- ore pulps
Pump；41- inlet pipes；5- cyclones；51- sand setting delivery pipes；52- mineral-feeding pipes；53- spigots；54- feed ports；55- overflow ports；
56- overflow drains；6- rock feeders；61- grinding machine mineral-feeding pipe slots；7- water-mains；Feed pipe before 71-；Feed pipe after 72-.
Specific embodiment
It is of the invention for description, with reference to the accompanying drawings and examples to a kind of magnetite ore magnetic separation unit equipment of the present invention
Method for arranging is described in further details.
A kind of layout of equipment of the method for arranging of magnetite ore magnetic separation unit equipment of the present invention as shown in Figure 1 is seen
Go out, a kind of method for arranging of magnetite ore magnetic separation unit equipment of the present invention, contain ball mill 1, magnetic separator in a combination thereof equipment
2nd, cyclone 5, rock feeder 6 and waterworks；The waterworks are by water-main 7, preceding feed pipe 71,72 structure of rear feed pipe
Into.The feed end of the ball mill 1 is equipped with grinding machine feed port 11, and the discharge end of ball mill 1 is equipped with grinding machine gape 12；It is described
2 cylinder of magnetic separator feed side be equipped with to ore deposit case 21, the opposite side of 2 cylinder of magnetic separator is equipped with concentrate case 22,2 groove body of magnetic separator
Bottom is equipped with tailing mouth 24；The top side of the cyclone 5 is equipped with feed port 54, and the top of cyclone 5 is equipped with overflow port 55,
The cone base of cyclone 5 is equipped with spigot 53.Rock feeder 6 passes through grinding machine mineral-feeding pipe slot 61 and the grinding machine feed port of ball mill 1
11 connections, grinding machine feed port 11 are connect by sand setting delivery pipe 51 with the spigot 53 of cyclone 5, and grinding machine gape 12 passes through magnetic
Machine mineral-feeding pipe slot 13 is selected to be connect with magnetic separator 2 to ore deposit case 21；Slime dam 3, ore pulp are set up between magnetic separator 2 and cyclone 5
Pump 4, the tailing mouth 24 of magnetic separator 2 is connect by tailing barrel 25 with slime dam 3, by into slurry between slime dam 3 and ore slurry pump 4
Pipe 41 connects, and ore slurry pump 4 is connect by mineral-feeding pipe 52 with the feed port 54 of cyclone 5；The overflow port 55 of cyclone 5 is arranged with overflow
Outlet pipe 56 connects.Feed pipe 72 is mounted in sand setting delivery pipe 51 afterwards, and preceding feed pipe 71 is mounted on grinding machine gape 12, preceding to give
The import of water pipe 71, rear feed pipe 72 is connected respectively with water-main 7.The concentrate case 22 of magnetic separator 2 is connect with concentrate barrel 23.
When in use, magnetite ore is by rock feeder for a kind of method for arranging of magnetite ore magnetic separation unit equipment of the present invention
6 feed ball mill 1 through grinding machine mineral-feeding pipe slot 61 and ore grinding feed port 11, and material is polished to be discharged by grinding machine gape 12, use
Preceding feed pipe 71 is added in after suitable quantity of water ensures suitable concentration, feed magnetic separator 2 to ore deposit case 21, magnetic iron ore is acted in magnetic separator 2
Lower progress flash magnetic separation, concentrate enters concentrate case 22 and collects, then is transported by concentrate barrel 23.By the non-magnetic iron ore of magnetic separator 2
Grain or magnetic and non-magnetic iron mineral intergrowth mainly enter slime dam 3 by tailing barrel 25.Again through inlet pipe 41 by ore slurry pump 4
Cyclone 5 is entered by 52 Give of mineral-feeding pipe, after cyclone 5, non-magnetic iron ore grain or magnetic iron ore and non-magnetic mineral intergrowth are divided into slightly
Thin two ranks, rough grain is as sand setting.Sand setting needs to flow into ball mill 1 again through sand setting delivery pipe 51 and grinding machine feed port 11
Mill.Feed pipe 72 gets excited to sand setting, and adjust ore milling concentration to sand setting delivery pipe 51 plus water afterwards.Particulate ore particle, as excessive
Stream is discharged from overflow port 55, is used through liquid stream discharge pipe 56 for next ore-dressing practice.
A kind of method for arranging of magnetite ore magnetic separation unit equipment of the present invention, equipment installation is simple, flexible, can meet
The graded operation of ore dressing plant difference occasion can select qualified magnetic iron ore in advance, improve classification efficiency, avoid magnetic iron ore mistake
Mill reduces ore dressing energy consumption, improves the magnetic iron ore rate of recovery.
A kind of method for arranging of magnetite ore magnetic separation unit equipment of the present invention is applied in certain Designing Ore-Dressing Plants, point
Grade effect is very good, and in the case of to ore deposit grade 32.3%, yield 16.8%, more than 65.5% Iron grade can be obtained ahead of time
Qualified strong magnet concentrate.
Claims (1)
1. a kind of method for arranging of magnetite ore magnetic separation unit equipment, ball mill (1), magnetic separator are contained in a combination thereof equipment
(2), cyclone (5), rock feeder (6) and waterworks；The feed end of the ball mill (1) is equipped with grinding machine feed port (11),
The discharge end of ball mill (1) is equipped with grinding machine gape (12)；Magnetic separator (2) cylinder feed side, which is equipped with, gives ore deposit case
(21), the opposite side of magnetic separator (2) cylinder is equipped with concentrate case (22), and magnetic separator (2) groove body bottom is equipped with tailing mouth (24)；It is described
The top side of cyclone (5) is equipped with feed port (54), and the top of cyclone (5) is equipped with overflow port (55), the cone of cyclone (5)
Body bottom is equipped with spigot (53), it is characterised in that：The rock feeder (6) passes through grinding machine mineral-feeding pipe slot (61) and ball mill (1)
Grinding machine feed port (11) connection, grinding machine feed port (11) passes through the spigot (53) of sand setting delivery pipe (51) and cyclone (5)
Connection, grinding machine gape (12) are connect by magnetic separator mineral-feeding pipe slot (13) and magnetic separator (2) to ore deposit case (21)；In magnetic separator
(2) slime dam (3), ore slurry pump (4) are set up between cyclone (5), the tailing mouth (24) of magnetic separator (2) passes through tailing barrel
(25) it connect with slime dam (3), is connect between slime dam (3) and ore slurry pump (4) by inlet pipe (41), ore slurry pump (4) passes through
Mineral-feeding pipe (52) is connect with the feed port (54) of cyclone (5)；The overflow port (55) of cyclone (5) connects with overflow drain (56)
It connects；The waterworks are made of water-main (7), preceding feed pipe (71), rear feed pipe (72), and rear feed pipe (72) is mounted on
In sand setting delivery pipe (51), preceding feed pipe (71) is on grinding machine gape (12), preceding feed pipe (71), rear feed pipe (72)
Import be connected respectively with water-main (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610221341.0A CN105772211B (en) | 2016-04-08 | 2016-04-08 | A kind of method for arranging of magnetite ore magnetic separation unit equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610221341.0A CN105772211B (en) | 2016-04-08 | 2016-04-08 | A kind of method for arranging of magnetite ore magnetic separation unit equipment |
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| Publication Number | Publication Date |
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| CN105772211A CN105772211A (en) | 2016-07-20 |
| CN105772211B true CN105772211B (en) | 2018-07-03 |
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| CN106944248B (en) * | 2017-04-13 | 2018-11-16 | 中钢集团马鞍山矿山研究院有限公司 | A kind of beneficiation method of the compound iron ore of hydrochlorate containing high-carbon |
| CN106964480B (en) * | 2017-04-13 | 2019-08-06 | 中钢集团马鞍山矿山研究院有限公司 | A kind of fine grinding sorted suitable for micro fine particle magnetite stone-hierarchical composition new process |
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| JPS62294140A (en) * | 1986-06-11 | 1987-12-21 | Nippon Jiryoku Senko Kk | Treatment of slag produced in iron making plant |
| CN101612618B (en) * | 2008-06-27 | 2012-03-07 | 鞍钢集团矿业公司 | Process for discarding coarse tailings with primary sand return for ultralean magnetite ores |
| CN102580843A (en) * | 2012-02-22 | 2012-07-18 | 攀钢集团矿业有限公司 | Mineral separation method for vanadium-titanium magnetite ores |
| CN102921523B (en) * | 2012-12-03 | 2015-08-19 | 云南磷化集团有限公司 | A kind of method that can improve grinding efficiency and classification efficiency |
| CN105214830A (en) * | 2015-11-09 | 2016-01-06 | 攀钢集团矿业有限公司 | Magnetic mineral stage division |
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Address after: 243000 Xitang Road, Ma'anshan Economic Development Zone, Anhui, No. 666 Patentee after: MAANSHAN Mine Research Institute Co.,Ltd. Address before: 243000 Xitang Road, Ma'anshan Economic Development Zone, Anhui, No. 666 Patentee before: SINOSTEEL MAANSHAN INSTITUTE OF MINING RESEARCH Co.,Ltd. |
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