CN103203291A - Continuous ore discharge centrifugal separator - Google Patents
Continuous ore discharge centrifugal separator Download PDFInfo
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- CN103203291A CN103203291A CN2013101410047A CN201310141004A CN103203291A CN 103203291 A CN103203291 A CN 103203291A CN 2013101410047 A CN2013101410047 A CN 2013101410047A CN 201310141004 A CN201310141004 A CN 201310141004A CN 103203291 A CN103203291 A CN 103203291A
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Abstract
The invention relates to a continuous ore discharge centrifugal separator which comprises a rack (12), a hollow shaft (2), a centrifugal inner sleeve (3), an outer sleeve (4), a backwash water pipe (6), a tailing launder (15) and a concentrate launder (16). The continuous ore discharge centrifugal separator is characterized in that a shaft sleeve (7) with an end cover is arranged at the lower end part of the hollow shaft (2); an air chamber (A) is formed between the outer side of the backwash water pipe (6) and the inner side of the hollow shaft (2); an air inlet (78) is formed in the shaft sleeve (7); vent holes (29) and vent pipes (25) are formed in and arranged on a pipe wall at the upper end of the hollow shaft (2); concentrate discharge holes (35) are distributed and formed in the concave bottom surfaces of separation grooves (31) of the centrifugal inner sleeve (3); pneumatic control pipeline stop valves (9) on the external ring surface of the outer sleeve (4) are connected with the concentrate discharge holes (35) to allow the concentrate discharge holes (35) to be communicated with the exterior of the outer sleeve (4); and the concentrate discharge holes (35) are opened/closed under the control of the pneumatic control pipeline stop valves (9). Therefore, the separator can discharge separated concentrate under a non-stop working condition, and improves the production efficiency.
Description
Technical field
What the present invention relates to is preparation equipment, and a kind of centrifugal beneficiating equipment particularly, as the ore separators for heavy metals such as gold, tin, lead, copper.
Technical background
Gravity separation is a kind of simply and effectively ore dressing method, and its utilization will sort ore and be sorted from the different of unclassified stores proportion.Gravity separation can be avoided the medicament pollution of chemical treatment method and the drawback of high cost.Because ore is poor, thin, assorted, most ore must reach tiny particle through processing just can reach the state of monomer dissociation, is adopting centrifugal ore separator to carry out sorting.
Water sleeve centrifugal ore sorting is to force to increase the centrifugal acceleration of mineral by centrifugal force, make mineral obtain being equivalent to several states that decuple acceleration of gravity when centrifugal rotation, now the difference in specific gravity of mineral is by the amplification of tens times, coordinate again back-flushing to prevent that mineral from hardening, thereby tiny mineral are reached to good ore dressing effect.
The centrifugal beneficiating equipment used at present is to be interrupted to produce, and need to stop machine, carries out the concentrate cleaning and discharges.Water sleeve centrifugal ore sorting as disclosed as the CN93210729X patent, when the ejaculation ore deposit operating sequence be stop feeding, interrupt the back-flushing feedwater, stop centrifugal ore separator electric machine rotation, open upper cover and wash away successively and carry out with clear water, if operating sequence mistake cause the concentrate sorted out to run off with mine tailing.Because rotatory inertia is large, stop operating fully and need time a few minutes from the centrifugal motor centrifuge cone that shuts down, when shutting down fully, equipment just can carry out artificial ejaculation ore deposit, and ejaculation ore deposit complex operation, waste time and energy, need the operator to turn on the plug on the concentrate ore discharge mouth of pipe in the narrow space of equipment bottom, and dredge the mineral that harden in ore discharge mouth of pipe place, the concentrate of selecting is flow in the concentrate hopper of below through the ore discharge pipe.In this process, artificial contact concentrate, easily cause the problems such as precious metal loss.
And centrifugal ore separator when start the operating sequence requirement is also arranged, first starter motor, then open back-flushing, just can feed after back-flushing is stable.Start shooting frequently, shut down in producing; cause very large burden for whole beneficiation flowsheet; to some former mineral content at the metalliferous mineral more than 0.2%; tin for example; copper, plumbous etc., in practical operation, every work 10-30 minute will shut down the discharge concentrate; and each ore discharge action need is about 15-20 minute, so inefficiency
.
Summary of the invention
The objective of the invention is the deficiency existed for prior art, provide a kind of easy to operate, production efficiency is high, can be in the situation that the concentrate discharge be carried out in continuous operation work, and can regulate arbitrarily according to the difference of head grade and composition the continuous ore discharge centrifugal ore separator in ejaculation ore deposit cycle.
The present invention includes base 11, frame 12, vibration absorber 13, air-cored axis 2, centrifugal inner sleeve 3, overcoat 4, mine tailing chute 15, concentrate chute 16, recoil water pipe 6, feed pipe 18, driving motor 19, frame 12 connects and is positioned on base 11 by vibration absorber 13, air-cored axis 2 is rotatably installed on frame 2 by bearing arrangement 14, the bottom of overcoat 4 is fixedly connected with air-cored axis 2 upper ends, centrifugal inner sleeve 3 is fixedly connected with the upper end of overcoat 4 by the 3 ' section of end plate on it, recoil water pipe 6 is arranged in air-cored axis 2 and is communicated with overcoat 4 bottoms, 4, centrifugal inner sleeve 3 and overcoat form water cavity, distribute and have sorting groove 31 on centrifugal inner sleeve 3, distribute on the concave bottom surface of sorting groove 31 and have recoil inlet opening 32, the water injection of overcoat 4 inner chambers is entered in centrifugal inner sleeve 3, mine tailing chute 15 is fixedly mounted on frame 12, be connected with upper cover 17 in mine tailing chute 15 upper ends, driving motor 19 is fixedly mounted on frame 12 and passes through transmission device---and belt pulley drives air-cored axis 2 and centrifugal inner sleeve 3, overcoat 4 rotation works, ore pulp is injected in centrifugal inner sleeve 3 and is carried out under the action of the centrifugal sorting by feed pipe 18, mine tailing outwards flows to mine tailing chute 15 via end plate 3 ' on centrifugal inner sleeve 3 and discharges, it is characterized in that: recoil water pipe 6 passes through the terminal pad 61 at upper and lower two ends in air- cored axis 2, 62 are fixedly connected with air-cored axis 2 welded seals, form the air chamber A between recoil water pipe 6 outsides and air-cored axis 2 inboards, be provided with the axle sleeve 7 with end cap 71 in the bottom of air-cored axis 2, axle sleeve 7 is by bearing arrangement 72, 73 and sealing ring 74, 75, 76 are connected with air-cored axis's 2 outer shroud rotary seals, be fixedly connected with the outer tube 6 ' of recoil water pipe 6 on the end cap 71 of axle sleeve 7, offer air admission hole 78 and air inlet duct 79 on axle sleeve 7, connect air inlet pipe 8 on the air admission hole 78 of offering on axle sleeve 7, air inlet duct 79 on corresponding axle sleeve 7 is distributed and is provided with the air admission hole 28 connection 2 inner chamber air chamber A of air-cored axis on air-cored axis's 2 tube walls, be distributed on the tube wall of air-cored axis 2 upper ends and be provided with venthole 29, connect breather pipe 25 on this venthole, be distributed and be provided with concentrate discharge opening 35 on the concave bottom surface of the sorting groove 31 of centrifugal inner sleeve 3, concentrate discharge opening 35 is spaced apart with recoil inlet opening 32, be connected with pneumatic control pipe break valve 9 with concentrate discharge opening 35 on the outer ring surface of overcoat 4, make concentrate discharge opening 35 with the exterior of overcoat 4 and control ON/OFF by pneumatic control pipe break valve 9, pipe break valve 9 is connected with aforementioned breather pipe 25, in pipe break valve 9 outsides, be provided with by inner-outer sleeve 16a, the concentrate chute 16 that 16b forms, have concentrate outflow tube 16c in the bottom of concentrate chute 16.
The present invention, ore pulp enters into centrifugal inner sleeve 3 from feed pipe 18, after the cone wall of centrifugal inner sleeve 3 inwalls makes ore pulp dispersed, enter in the sorting groove 31 on centrifugal inner sleeve 3 tops, entered into the water of 4, centrifugal inner sleeve 3 and overcoat by recoil water pipe 6, by the recoil inlet opening 32 be distributed on centrifugal inner sleeve 3 sorting groove 31 bottom surfaces, injection enters the mineral in loosening sorting groove 31 in centrifugal inner sleeve 3, makes mineral reach the state of rolling, and under centrifugal action, makes the mineral of different specific weight separate.It is less that heavy mineral are affected by back-flushing, and be subject to the impact of centrifugal force larger, can deposit the inwall place that is attached to sorting groove 31.And the little mineral of proportion are subject to the impact of centrifugal force less, be subject to the impact of back-flushing larger, can by back-flushing, " be pushed away " and go out sorting groove 31, from centrifugal inner sleeve 3 upper openings, with current, flow to mine tailing chute 15, thereby concentrate remains in sorting groove 31 and reaches the function that sorts mineral.
Until when the concentrate in sorting groove 31 reaches certain grade, high pressure gas is by the air chamber A between air inlet pipe 8, recoil water pipe 6 outsides and air-cored axis 2 inboards, breather pipe 25 effect pneumatic control pipe break valves 9, pipe break valve 9 is opened, and the concentrate that sorting remains in centrifugal inner sleeve 3 sorting grooves 31 flows out to concentrate chute 16 from pipe break valve 9 under centrifugal action.
The present invention controls pneumatic control pipe break valve 9 by air inlet pipe 8 air pressure and carries out switch; thereby realize under non-stop-machine working condition; at any time to dividing the concentrate first gone out to be discharged; can artificially control and be discharged at any time; perhaps by electrical equipment, carry out self-timing control; and can regulate arbitrarily the ejaculation ore deposit cycle according to the difference of head grade and composition, and simple, convenient, greatly improved production efficiency.
The accompanying drawing explanation
Fig. 1 is embodiment of the present invention structural representation.
Fig. 2 is Fig. 1 partial enlarged drawing, has meaned the bottom of overcoat 4 and being connected of air-cored axis 2 upper ends.
Fig. 3 is Fig. 1 partial enlarged drawing, has meaned the bottom of air-cored axis 2 and being connected of axle sleeve 7 and recoil water pipe 6.
Fig. 4 is the B-B cutaway view of Fig. 1, has meaned sorting groove 31 and recoil 32Cheng interval, inlet opening circle distribution setting on the corresponding centrifugal inner sleeve 3 of pneumatic control pipe break valve 9.
Fig. 5 be the K of Fig. 1 to launching view, meaned each the sorting groove 31 circle distribution setting on the corresponding centrifugal inner sleeve 3 of pneumatic control pipe break valve 9.
The specific embodiment
The present invention includes base 11, frame 12, vibration absorber 13, air-cored axis 2, centrifugal inner sleeve 3, overcoat 4, mine tailing chute 15, concentrate chute 16, recoil water pipe 6, feed pipe 18, driving motor 19, frame 12 connects and is positioned on base 11 by vibration absorber 13, air-cored axis 2 is rotatably installed on frame 2 by bearing arrangement 14, the bottom of overcoat 4 is fixedly connected with by flange 20 with air-cored axis 2 upper ends, overcoat 4 bottoms with have a through hole 40, centrifugal inner sleeve 3 is fixedly connected with the upper end of overcoat 4 by the 3 ' section of end plate on it, recoil water pipe 6 is arranged in air-cored axis 2 and is communicated with overcoat 4 bottoms, 4, centrifugal inner sleeve 3 and overcoat form water cavity B, distribute and have sorting groove 31 on centrifugal inner sleeve 3 inner ring surfaces, distribute on the concave bottom surface of sorting groove 31 and have recoil inlet opening 32, the water injection of overcoat 4 inner chamber B is entered in centrifugal inner sleeve 3, mine tailing chute 15 is fixedly mounted on frame 12, be connected with upper cover 17 in mine tailing chute 15 upper ends, driving motor 19 is fixedly mounted on frame 12 and drives air-cored axis 2 and centrifugal inner sleeve 3 by belt pulley, overcoat 4 rotation works, ore pulp is injected in centrifugal inner sleeve 3 by feed pipe 18, tailing water outwards flows to mine tailing chute 15 via end plate 3 ' on centrifugal inner sleeve 3 and discharges, it is characterized in that: recoil water pipe 6 passes through the terminal pad 61 at upper and lower two ends in air-cored axis 2, 62 are fixedly connected with air-cored axis 2 welded seals, form the air chamber A between recoil water pipe 6 outsides and air-cored axis 2 inboards, be provided with the axle sleeve 7 with end cap 71 in the bottom of air-cored axis 2, axle sleeve 7 is by bearing arrangement 72, 73 and sealing ring 74, 75, 76 are connected with air-cored axis's 2 outer shroud rotary seals, be fixedly connected with the outer tube 6 ' of recoil water pipe 6 on the end cap 71 of axle sleeve 7, offer air admission hole 78 and air inlet duct 79 on axle sleeve 7, connect air inlet pipe 8 on the air admission hole 78 of offering on axle sleeve 7, air inlet duct 79 on corresponding axle sleeve 7 is distributed and is provided with the air admission hole 28 connection 2 inner chamber air chamber A of air-cored axis on air-cored axis's 2 tube walls, be distributed on the tube wall of air-cored axis 2 upper ends and be provided with venthole 29, connect breather pipe 25 on this venthole, be distributed and be provided with concentrate discharge opening 35 on the concave bottom surface of the sorting groove 31 of centrifugal inner sleeve 3, concentrate discharge opening 35 is spaced apart with recoil inlet opening 32, the concentrate discharge opening 35 of corresponding centrifugal inner sleeve 3 is provided with the concentrate discharge nozzle 35 ' be communicated with concentrate material hole 35 on overcoat 4, 35 ' be connected with pneumatic control pipe break valve 9 with the concentrate material pipe that portals on the outer ring surface of overcoat 4, pipe break valve 9 is connected with aforementioned breather pipe 25, in pipe break valve 9 outsides, be provided with by inner-outer sleeve 16a, the concentrate chute 16 that 16b forms, have concentrate outflow tube 16c in the bottom of concentrate chute 16.
Shown in accompanying drawing embodiment, be provided with distributing ring 45 on overcoat 4, distributing ring 45 is the circular ring type air chambers around overcoat 4, and breather pipe 25 is communicated with distributing ring 45, and each pipe break valve 9 is communicated with distributing ring 45 by gas-distribution pipe 25 '.
Claims (3)
1. continuous ore discharge centrifugal ore separator, include base (11), frame (12), vibration absorber (13), air-cored axis (2), centrifugal inner sleeve (3), overcoat (4), mine tailing chute (15), concentrate chute (16), recoil water pipe (6), feed pipe (18), driving motor (19), frame (12) connects and is positioned on base (11) by vibration absorber (13), air-cored axis (2) is rotatably installed on frame (2) by bearing arrangement (14), the bottom of overcoat (4) is fixedly connected with air-cored axis (2) upper end, centrifugal inner sleeve (3) is fixedly connected with the upper end of overcoat (4) by end plate (3 ') section on it, recoil water pipe (6) is arranged in air-cored axis (2) and is communicated with overcoat (4) bottom, form water cavity between centrifugal inner sleeve (3) and overcoat (4), have sorting groove (31) upper distribution of centrifugal inner sleeve (3), distribute on the concave bottom surface of sorting groove (31) and have recoil inlet opening (32), the water injection of overcoat (4) inner chamber is entered in centrifugal inner sleeve (3), mine tailing chute (15) is fixedly mounted on frame (12), be connected with upper cover (17) in mine tailing chute (15) upper end, driving motor (19) is fixedly mounted on frame (12) and passes through transmission device---and belt pulley drives air-cored axis (2) and centrifugal inner sleeve (3), overcoat (4) rotation work, the water pipe (6) that it is characterized in that recoiling passes through the terminal pad (61 at upper and lower two ends in air-cored axis (2), 62) with air-cored axis (2) welded seal, be fixedly connected with, form the air chamber (A) between recoil water pipe (6) outside and air-cored axis (2) inboard, be provided with the axle sleeve (7) of band end cap (71) in the bottom of air-cored axis (2), axle sleeve (7) is by bearing arrangement (72, 73) and sealing ring (74, 75, 76) with air-cored axis (2) outer shroud rotary seal, be connected, be fixedly connected with the outer tube (6 ') of recoil water pipe (6) on the end cap (71) of axle sleeve (7), offer air admission hole (78) and air inlet duct (79) on axle sleeve (7), the upper air inlet pipe (8) that connects of the air admission hole (78) of offering on axle sleeve (7), air inlet duct (79) on corresponding axle sleeve (7) is distributed and is provided with air admission hole (28) connection air-cored axis (2) inner chamber air chamber (A) on air-cored axis (2) tube wall, be distributed on the tube wall of air-cored axis (2) upper end and be provided with venthole (29), connect breather pipe (25) on this venthole, be distributed and be provided with concentrate discharge opening (35) on the concave bottom surface of the sorting groove (31) of centrifugal inner sleeve (3), concentrate discharge opening (35) is spaced apart with recoil inlet opening (32), be connected with pneumatic control pipe break valve (9) with concentrate discharge opening (35) on the outer ring surface of overcoat (4), make concentrate discharge opening (35) with the exterior of overcoat (4) and control ON/OFF by pneumatic control pipe break valve (9), pipe break valve (9) is connected with aforementioned breather pipe (25), in pipe break valve (9) outside, be provided with by inner-outer sleeve (16a, the concentrate chute (16) 16b) formed, have concentrate outflow tube (16c) in the bottom of concentrate chute (16).
2. continuous ore discharge centrifugal ore separator according to claim 1, it is characterized in that, be provided with distributing ring (45) on overcoat (4), distributing ring (45) is the circular ring type air chamber around overcoat (4), breather pipe (25) is communicated with distributing ring (45), and each pipe break valve (9) is communicated with distributing ring (45) by gas-distribution pipe (25 ').
3. continuous ore discharge centrifugal ore separator according to claim 1, it is characterized in that, the concentrate discharge opening (35) of corresponding centrifugal inner sleeve (3) is provided with the concentrate discharge nozzle (35 ') be communicated with concentrate discharge opening (35) on overcoat (4), on the outer ring surface of overcoat (4), with concentrate material hole pipe (35 '), is connected with pneumatic control pipe break valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310141004.7A CN103203291B (en) | 2013-04-23 | 2013-04-23 | Continuous ore discharge centrifugal separator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310141004.7A CN103203291B (en) | 2013-04-23 | 2013-04-23 | Continuous ore discharge centrifugal separator |
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| CN103203291A true CN103203291A (en) | 2013-07-17 |
| CN103203291B CN103203291B (en) | 2014-03-26 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357492A (en) * | 2013-07-18 | 2013-10-23 | 招远市鲁东矿山机械有限公司 | High speed rotating ore separating equipment |
| CN104437834A (en) * | 2014-11-13 | 2015-03-25 | 江西理工大学 | Centrifugal ore-dressing device and ore-dressing method thereof |
| CN105396702A (en) * | 2015-12-10 | 2016-03-16 | 中国矿业大学 | Fine coal centrifugal separation equipment capable of discharging materials continuously |
| CN106216107A (en) * | 2016-07-19 | 2016-12-14 | 深圳市中矿海纳矿业有限公司 | A kind of centrifugal ore separator processing sludge |
| CN107309098A (en) * | 2017-07-12 | 2017-11-03 | 深圳市中矿海纳技术有限公司 | Continuous pulp discharge type centrifugal ore separator |
| CN108212558A (en) * | 2018-01-31 | 2018-06-29 | 湖北环电磁装备工程技术有限公司 | The centrifugal ore separator that a kind of combination type permanent-magnet synchronous motor directly drives |
| CN108283999A (en) * | 2018-01-31 | 2018-07-17 | 湖北环电磁装备工程技术有限公司 | A kind of centrifugal ore separator that permanent magnet synchronous motor directly drives |
| CN108311295A (en) * | 2018-04-23 | 2018-07-24 | 中国矿业大学(北京) | A kind of compound force field step reinforcing centrifugal ore separator |
| CN108940612A (en) * | 2018-05-30 | 2018-12-07 | 嘉善永金金属制品有限公司 | A kind of cleaning machine for metal material separation |
| CN109894252A (en) * | 2019-03-28 | 2019-06-18 | 赣州金环磁选设备有限公司 | A kind of new and effective continous way ore separators |
| CN114985123A (en) * | 2022-05-31 | 2022-09-02 | 江西理工大学 | Two-way separation centrifuge is selected for use in ore deposit |
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| CN2155947Y (en) * | 1993-04-21 | 1994-02-16 | 长春黄金研究所砂金设备开发公司 | Water sleeve centrifugal ore sorting machine |
| WO1996037307A1 (en) * | 1995-05-23 | 1996-11-28 | Mcalister Steven A | Centrifugal concentrator |
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| RU2189280C2 (en) * | 2000-11-24 | 2002-09-20 | Северо-Кавказский государственный технологический университет | Centrifugal vibro-separator |
| CN203196765U (en) * | 2013-04-23 | 2013-09-18 | 丹东大迪矿山科技有限公司 | Centrifugal concentrating machine continuously discharging ore |
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| CN2155947Y (en) * | 1993-04-21 | 1994-02-16 | 长春黄金研究所砂金设备开发公司 | Water sleeve centrifugal ore sorting machine |
| WO1996037307A1 (en) * | 1995-05-23 | 1996-11-28 | Mcalister Steven A | Centrifugal concentrator |
| CN2372063Y (en) * | 1999-04-20 | 2000-04-05 | 广西龙头山金矿 | Fully-closed centrifugal concentrating machine |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357492A (en) * | 2013-07-18 | 2013-10-23 | 招远市鲁东矿山机械有限公司 | High speed rotating ore separating equipment |
| CN104437834A (en) * | 2014-11-13 | 2015-03-25 | 江西理工大学 | Centrifugal ore-dressing device and ore-dressing method thereof |
| CN105396702A (en) * | 2015-12-10 | 2016-03-16 | 中国矿业大学 | Fine coal centrifugal separation equipment capable of discharging materials continuously |
| CN106216107A (en) * | 2016-07-19 | 2016-12-14 | 深圳市中矿海纳矿业有限公司 | A kind of centrifugal ore separator processing sludge |
| CN106216107B (en) * | 2016-07-19 | 2018-07-20 | 深圳市中翰海纳技术有限公司 | A kind of centrifugal ore separator of processing sludge |
| CN107309098A (en) * | 2017-07-12 | 2017-11-03 | 深圳市中矿海纳技术有限公司 | Continuous pulp discharge type centrifugal ore separator |
| CN108283999A (en) * | 2018-01-31 | 2018-07-17 | 湖北环电磁装备工程技术有限公司 | A kind of centrifugal ore separator that permanent magnet synchronous motor directly drives |
| CN108212558A (en) * | 2018-01-31 | 2018-06-29 | 湖北环电磁装备工程技术有限公司 | The centrifugal ore separator that a kind of combination type permanent-magnet synchronous motor directly drives |
| CN108311295A (en) * | 2018-04-23 | 2018-07-24 | 中国矿业大学(北京) | A kind of compound force field step reinforcing centrifugal ore separator |
| CN108940612A (en) * | 2018-05-30 | 2018-12-07 | 嘉善永金金属制品有限公司 | A kind of cleaning machine for metal material separation |
| CN109894252A (en) * | 2019-03-28 | 2019-06-18 | 赣州金环磁选设备有限公司 | A kind of new and effective continous way ore separators |
| CN109894252B (en) * | 2019-03-28 | 2020-10-27 | 赣州金环磁选设备有限公司 | Novel efficient continuous concentrator |
| CN114985123A (en) * | 2022-05-31 | 2022-09-02 | 江西理工大学 | Two-way separation centrifuge is selected for use in ore deposit |
| CN114985123B (en) * | 2022-05-31 | 2023-09-22 | 江西理工大学 | Bidirectional sorting centrifuge for ore dressing |
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