CN103100475A - High-efficiency concentrate ore pulp processing device suitable for long-distance pipeline transportation - Google Patents
High-efficiency concentrate ore pulp processing device suitable for long-distance pipeline transportation Download PDFInfo
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- CN103100475A CN103100475A CN2013100453327A CN201310045332A CN103100475A CN 103100475 A CN103100475 A CN 103100475A CN 2013100453327 A CN2013100453327 A CN 2013100453327A CN 201310045332 A CN201310045332 A CN 201310045332A CN 103100475 A CN103100475 A CN 103100475A
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Abstract
The invention discloses a high-efficiency concentrate ore pulp processing device suitable for long-distance pipeline transportation. The high-efficiency concentrate ore pulp processing device comprises an ore feeding device, an ore grinding device, a cyclone device, a safe screen and a thickener, wherein the ore feeding device is connected with the ore grinding device; the ore grinding device is connected with the cyclone device; a closed loop is formed by the cyclone device and the ore grinding device; the cyclone device is connected with the safe screen; a feeding hole of the ore grinding device is connected above the safe screen; and an ore conveying pipeline is connected under the safe screen. An internal circulation high-efficiency ore grinding separation system is formed by organically combining the ore grinding device and the safe screen, so that the ground concentrate ore pulp meets the requirement of long-distance pipeline transportation for the particle size of the ore pulp, the abrasion of the pipeline is reduced, the ore conveying efficiency is effectively increased, and the tailings grade is effectively reduced. The high-efficiency concentrate ore pulp processing device is simple and convenient in technological process and stable and reliable in running, and effectively improves the mineral separation efficiency and the economic benefit, thus being especially suitable for processing the ore pulp conveyed by the pipeline.
Description
Technical field
The invention belongs to the mining equiment technical field, be specifically related to a kind ofly realize peripheral selecting factory's concentrate to be pooled to the concentrate slurry highly-efficient processing device that is suitable for long-distance transportation through pipeline of smeltery by conveyance conduit.
Background technology
Mining often is subjected to the restriction of topography and geomorphology, and outward transport brings difficulty to ore, in order to reduce the transportation freight volume, usually can the ore dressing plant be set on the spot near the mine, and the concentrate of selecting adopts Automobile Transportation to the smeltery usually.Automobile Transportation is flexible, and freight volume is little, and cost of transportation is high, and hill path traffic safety hidden danger is large.Such as, the steel mill of elder brother's steel group and a mine be 150 kilometers apart from air line distance, mountain road, if the transportation range of its automobile is much bigger, by producing 300000 t/a per year, concentrate grade 60% except the transportation economics cost that enterprise bears, is potential social economy's cost to the damage of road.Pipeline carries a kind of emerging length apart from the mineral products conveying technology, and low-carbon environment-friendly is a kind of technology of very practicability and effectiveness, but, pipeline transportation has some special requirements to the granularity of mineral aggregate, if the granularity of concentrate that selects factory to carry is undesirable, will cause abrasion or infringement to pipeline.For this reason, the concentrate treatment technology of a kind of suitable concentrate long-distance transportation through pipeline of development meets mineral products and Metallurgical industry development need.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure, simple process, the concentrate slurry highly-efficient processing device that is suitable for long-distance transportation through pipeline that grinding efficiency is high.
The object of the present invention is achieved like this, comprise mine-feeding equipment, ore grinding device, swirl-flow devices, safe screen, concentrator, it is characterized in that: described mine-feeding equipment connects the ore grinding device, described ore grinding device connects swirl-flow devices, described swirl-flow devices and ore grinding device consist of the closed-loop path, swirl-flow devices connects safe screen, the upper charging aperture that connects the ore grinding device of safe screen sieve; The safe screen sieve defeated pipe of lower connection road.
The present invention adopts grinding attachment and safety screening organic assembling to consist of the efficient ore grinding separation system of interior circulation, makes the concentrate slurry that grinds satisfy long-distance transportation through pipeline to the requirement of pulp granularity, reduces the wearing and tearing to pipeline, and effectively improves defeated ore deposit efficient.Swirl-flow devices, screening device has not only improved screening efficiency again, and effectively reduces tailings grade, can be low to moderate 10% left and right.Technological process of the present invention is easy, and stable and reliable operation can effectively improve beneficiating efficiency and economic benefit, and the processing that is particularly suitable for the pipeline transfer ore pulp is processed.
Description of drawings
Fig. 1 is matching relationship schematic diagram of the present invention;
In figure: 1-fine ore bin, 2-mine-feeding equipment, 3-funnel, 4-ore grinding device, 5-2# pump pond, 6-swirl-flow devices, the 7-safe screen, 8-concentrate concentration basin, 9-low intensity magnetic separation device, 10-high intensity magnetic separation device, 11-scans device, the 12-concentrator, the defeated pipe of 13-road, 14-1# pump pond, 15-safe screen rock feeder, 16-buffering pump pond, 17-smeltery feed bin.
The specific embodiment
The present invention is further illustrated below in conjunction with accompanying drawing, but never in any form the present invention is limited, and any conversion or replacement based on training centre of the present invention is done all belong to protection scope of the present invention.
As shown in Figure 1, the present invention includes mine-feeding equipment 2, ore grinding device 4, swirl-flow devices 6, safe screen 7, concentrator 12, described mine-feeding equipment 2 connects ore grinding device 4, described ore grinding device 4 connects swirl-flow devices 6, described swirl-flow devices 6 consists of the closed-loop path with ore grinding device 4, swirl-flow devices 6 connects safe screen 7, the safe screen 7 upper charging apertures that connect the ore grinding device of sieve; The defeated pipe of connection road 13 under safe screen 7 sieves.
4 outlets of described ore grinding device connect swirl-flow devices 6 by 2# pump pond 5, and described swirl-flow devices 6 concentrate outlets connect safe screens 7.The lower concentrators 12 that connect of described safe screen 7 sieves, the concentrate outlet of concentrator 12 connect defeated pipe road 13.
The 6 concentrate outlets one tunnel of described swirl-flow devices connect 1# pump pond 14, safe screen rock feeder 15 connects safe screens 7.
Described swirl-flow devices 6 another roads connect screening device again, then the outlet of screening device concentrate connects concentrator 6, the mine tailing outlet connection tailing pit of described screening device again.
Described screening device again comprises successively low intensity magnetic separation device 9, high intensity magnetic separation device 10 and/or scans device 11, described low intensity magnetic separation device 9, high intensity magnetic separation device 10 and/or scan device 11 and connect respectively concentrator 12.
The described ore grinding device 4 direct safe screens 7 in another road of outlet, upper ore grinding device 4 charging apertures that connect of safe screen 7 sieves; The lower concentrator 12 that connects of safe screen 7 sieves.The sieve upper outlet of described safe screen 7 connects Buffer Pool 16, and is connected with funnel 3, interim deposit ore pulp when being used for the abnormal situation.
Described safe screen 7 sieves are lower connects concentrator 12 by concentrate concentration basin 8.
Described safe screen 7 arranges in groups, the in parallel use with the raising disposal ability.
Described ore grinding device 4 is a kind of in ball mill, raymond mill, high pressure pulverizer, ladder type flour mill, middling speed flour mill, vertical roll grinder, Air Grinder.
Described ball mill is overflowball mill, and described overflowball mill is arranged in parallel.
Described mine-feeding equipment 2 is a kind of in slot type mine-feeding equipment, pendulum-type mine-feeding equipment, disk mine-feeding equipment.
Between described mine-feeding equipment 2 and ore grinding device 4, Ore Hopper 3 is set.
Described safe screen 7 is a kind of in high-frequency screen, numerical control sieve, Lu Kai sieve, electromagnetic vibrating screen.
Described concentrate concentration basin 8 is a kind of in gravity concentration tank, air supporting concentration basin or swash plate (pipe) concentration basin.
The below illustrates operation principle of the present invention and the course of work:
The present invention adopts grinding attachment and safety screening organic assembling to consist of the efficient ore grinding separation system of interior circulation, makes the concentrate slurry that grinds satisfy long-distance transportation through pipeline to the requirement of pulp granularity, reduces the wearing and tearing to pipeline, and effectively improves defeated ore deposit efficient.
Described rock feeder is seat formula disk feeder, disk diameter 2000mm, disposal ability: 0-80m3/h, band frequency-conversion and speed-regulation motor.
Described ball mill is overflowball mill, MQY2740G, barrel diameter 2700mm, cylindrical shell length 4000mm; Cylindrical shell dischargeable capacity 20.5m
3--; Steel ball maximum loading 37t; Synchronous motor model TM400-32, power 400kW, 6000 volts of rated voltages; Motor speed 187.5r/min, drum speed 21.7r/min, weight: 12.4t; The liner manganese; Maximum mine-supplying quantity 81t/h gives ore deposit fineness-200 order 60%, and product fineness-325 order accounts for 70%.MQY2.7 * 4.0m ball milling is added steel section specification: φ 40 * 45 * 50mm, pack completeness is considered by 35%, just fills steel section 17t, to be producedly adds 17t after normal again.The concentration of ore milling concentration design is 75%.See grinding efficiency, and then adjust according to practical condition.
The slag stock pump in described 2# pump pond is the 200ZJ-I-A60 the using and the reserved, 980r/min, and 870m3/h, 55.5m, the band frequency conversion, ore pulp proportion: 1.3, transportation concentration: 35%.The slag stock pump in described 1# pump pond is the 150ZJ-I-A58/60 the using and the reserved, 980r/min, 380m3/h, 56.5m, band frequency conversion, ore pulp proportion 1.2, transportation concentration: 25%.
Described cyclone Φ 350 * 10, FX350-PU feed ore concentration be below 35%, sand setting bore 55mm, distribution brake control valve; 10 one group, 8 use 2 are standby; The operating pressure of a cluster cyclone is 0.08MPa.Overflow caliber 100mm, partition size 50-150um.
During work, start successively slag stock pump, belt conveyor, grinding classification system, the ball mill in 1#, 2# pump pond, after guaranteeing the ball mill normal operation, restart belt and disk feeder begins feed, to be transported to overflowball mill from the fine ore in ore dressing plant from ore storage bin and carry out ore grinding, the defibrination of ball mill overflow output can after enter Lu Kai and sieve, on-the-sieve material is recycled to overflowball mill and continues defibrination, undersize material is sent into the concentrate concentration basin, is then processed by conveyance conduit being delivered to smeltery's feed bin by concentrator.
Mineral aggregate after defibrination is sent into swirl-flow devices through the pump pond, after cyclonic separation, one the tunnel delivers to safe screen through 1# pump Chi You Give ore deposit machine and sieves processing, undersize material is sent into the concentrate concentration basin, is then processed by conveyance conduit being delivered to smeltery's feed bin by concentrator; On-the-sieve material is recycled to overflowball mill and continues defibrination.Another road enters screening device again, through low intensity magnetic separation, high intensity magnetic separation and after scanning processing, the concentrate material after sortings at different levels is sent into concentrator and is processed by conveyance conduit and be delivered to smeltery's feed bin successively, and after three grades of sortings, tailings grade further descends, reaching the tail requirement is fallen and after, send into tailing pit.
Claims (10)
1. concentrate slurry highly-efficient processing device that is suitable for long-distance transportation through pipeline, comprise mine-feeding equipment (2), ore grinding device (4), swirl-flow devices (6), safe screen (7), concentrator (12), it is characterized in that: described mine-feeding equipment (2) connects ore grinding device (4), described ore grinding device (4) connects swirl-flow devices (6), described swirl-flow devices (6) consists of the closed-loop path with ore grinding device (4), swirl-flow devices (6) connects safe screen (7), connects the charging aperture of ore grinding device (4) on safe screen (7) sieve; The lower defeated pipe road (13) that connects of safe screen (7) sieve.
2. the concentrate slurry highly-efficient processing device that is suitable for long-distance transportation through pipeline according to claim 1, it is characterized in that: described ore grinding device (4) outlet connects swirl-flow devices (6) by 2# pump pond (5), and the outlet of described swirl-flow devices (6) concentrate connects safe screen (7); The lower concentrator (12) that connects of described safe screen (7) sieve, the concentrate outlet of concentrator (12) connects defeated pipe road (13).
3. the concentrate slurry highly-efficient processing device that is suitable for long-distance transportation through pipeline according to claim 1 and 2 is characterized in that: described swirl-flow devices (6) concentrate outlet one tunnel connects 1# pump pond (14), safe screen rock feeder (15) connects safe screen (7); The sieve upper outlet end of described safe screen (7) connects Buffer Pool (16), and is connected with funnel (3).
4. the concentrate slurry highly-efficient processing device that is suitable for long-distance transportation through pipeline according to claim 1 and 2, it is characterized in that: described swirl-flow devices (6) another road connects screening device again, the outlet of screening device concentrate connects concentrator (6) again, and the mine tailing outlet of described screening device again connects tailing pit.
5. the concentrate slurry highly-efficient processing device that is suitable for long-distance transportation through pipeline according to claim 4, it is characterized in that: described screening device again comprises successively low intensity magnetic separation device (9), high intensity magnetic separation device (10) and/or scans device (11), described low intensity magnetic separation device (9), high intensity magnetic separation device (10) and/or scan device (11) and connect respectively concentrator (12).
6. the concentrate slurry highly-efficient processing device that is suitable for long-distance transportation through pipeline according to claim 1 and 2, it is characterized in that: described ore grinding device (4) exports the direct safe screen in another road (7), connects ore grinding device (4) charging aperture on safe screen (7) sieve; The lower concentrator (12) that connects of safe screen (7) sieve; Described safe screen (7) sieve is lower connects concentrator (12) by concentrate concentration basin (8).
7. the concentrate slurry highly-efficient processing device that is suitable for long-distance transportation through pipeline according to claim 1 and 2 is characterized in that: a kind of in ball mill, raymond mill, high pressure pulverizer, ladder type flour mill, middling speed flour mill, vertical roll grinder, Air Grinder of described ore grinding device (4).
8. the concentrate slurry highly-efficient processing device that is suitable for long-distance transportation through pipeline according to claim 1 is characterized in that: a kind of in slot type mine-feeding equipment, pendulum-type mine-feeding equipment, disk mine-feeding equipment of described mine-feeding equipment (2).
9. the concentrate slurry highly-efficient processing device that is suitable for long-distance transportation through pipeline according to claim 3 is characterized in that: a kind of in high-frequency screen, numerical control sieve, Lu Kai sieve, electromagnetic vibrating screen of described safe screen (7).
10. the concentrate slurry highly-efficient processing device that is suitable for long-distance transportation through pipeline according to claim 6 is characterized in that: a kind of in gravity concentration tank, air supporting concentration basin or swash plate (pipe) concentration basin of described concentrate concentration basin (8).
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Cited By (7)
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|---|---|---|---|---|
| CN103394401A (en) * | 2013-08-07 | 2013-11-20 | 四川安宁铁钛股份有限公司 | Coarse-particle iron ore raw pulp quality and concentration control method used in pipeline transportation |
| CN103691538A (en) * | 2014-01-10 | 2014-04-02 | 重钢西昌矿业有限公司 | Ore grinding and classifying system and method |
| CN103953852A (en) * | 2014-04-24 | 2014-07-30 | 云南大红山管道有限公司 | Buffer storage device and pulp pipeline conveying system |
| CN106111303A (en) * | 2016-08-25 | 2016-11-16 | 中冶北方（大连）工程技术有限公司 | The mill of a kind of magnetic iron ore underground mill selects system |
| CN106311453A (en) * | 2016-08-30 | 2017-01-11 | 襄阳泽东化工集团有限公司 | Device for closed cycle phosphorite wet ball grinding and ball grinding method |
| CN107552220A (en) * | 2017-08-30 | 2018-01-09 | 玉溪大红山矿业有限公司 | A kind of safe screen ore dressing optimize technique for effectively improving concentrate yield |
| CN110273658A (en) * | 2019-07-26 | 2019-09-24 | 西南石油大学 | A kind of modularization sledge mill thermal analysis apparatus handling oil-contained drilling cuttings |
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| CN107552220A (en) * | 2017-08-30 | 2018-01-09 | 玉溪大红山矿业有限公司 | A kind of safe screen ore dressing optimize technique for effectively improving concentrate yield |
| CN110273658A (en) * | 2019-07-26 | 2019-09-24 | 西南石油大学 | A kind of modularization sledge mill thermal analysis apparatus handling oil-contained drilling cuttings |
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