CN103623938A - Column type separating device and method for centrifugal pre-flotation - Google Patents
Column type separating device and method for centrifugal pre-flotation Download PDFInfo
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- CN103623938A CN103623938A CN201310609949.7A CN201310609949A CN103623938A CN 103623938 A CN103623938 A CN 103623938A CN 201310609949 A CN201310609949 A CN 201310609949A CN 103623938 A CN103623938 A CN 103623938A
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- 238000005188 flotation Methods 0.000 title claims abstract description 97
- 238000000034 method Methods 0.000 title claims abstract description 30
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 41
- 239000011707 mineral Substances 0.000 claims abstract description 41
- 239000012141 concentrate Substances 0.000 claims abstract description 18
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 6
- 210000005056 cell body Anatomy 0.000 claims description 24
- 238000007667 floating Methods 0.000 claims description 15
- 239000006260 foam Substances 0.000 claims description 15
- 238000004062 sedimentation Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000009194 climbing Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000011160 research Methods 0.000 description 7
- 239000008187 granular material Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005008 domestic process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The invention provides a column type separating device and method for centrifugal pre-flotation. The column type separating device and method are suitable for being used during mineral flotation. The column type separating device comprises a column type flotation device, the top of the column type flotation device is provided with an embedded centrifugal pre-flotation device comprising a centrifugal pre-flotation device groove, a centrifugal mineral laden bubble generator and a bubble collecting groove, a centrifugal impeller of the centrifugal pre-flotation device rotates in an impeller cavity to form negative pressure, flotation fed material and air enter the impeller cavity through a feeding pipe and an air suction pipe respectively, the flotation fed material is cut and smashed by the centrifugal impeller at high speed, the air is dispersed into bubbles, and the flotation fed material and the air are completely mixed in the impeller cavity, dispersed into the centrifugal pre-flotation device groove, and mixed and selected in a flotation mode again. Bubble products separated by the centrifugal pre-flotation device and bubble products separated by flotation columns are combined to serve as concentrate products, and pulp in the centrifugal pre-flotation device groove is fed into the flotation columns through bottom guide pipes for secondary separation. The column type separating device and method are high in flotation efficiency and good in stability.
Description
Technical field
The present invention relates to mineral floating technical field, centrifugal prefloat formula post sorting unit and the method especially used during a kind of mineral floating.
Background technology
Mineral grain presents typical nonlinear characteristic in assorting room, start easily floating, carrying out along with flotation, more and more difficult floating, but floatation process is balanced, the non-linear physical property of mineral and ore dressing balancing procedure form a pair of conspicuous contradiction, and this contradiction directly causes the efficiency of separation, and even recovery ability reduces; Granularity is thinner, and this impact is more remarkable.Therefore, process factors is more and more important on the impact of sorting mineral, particularly with the design of the suitable assorting room of the non-linear floatation process of mineral.
Although floatation equipment both domestic and external is of a great variety, floatation equipment has also obtained comparatively wide development at aspects such as efficient flotation separation, particulate, coarse grain flotation, all has some limitations.The flotation device of take is that main traditional floatation equipment exists that mineralising efficiency is low, mineralising region is little and the unsettled shortcoming of assorting room.In recent years, about the research of flotation new equipment, also become the focus of ore dressing research.Jet flotation machine is the emphasis of domestic and international powerful screening installation research, and its short body sorting post that is otherwise known as, is a kind of high performance screening installation, and it is little that this equipment has floor space, and production capacity is large, foam bed thickness, the feature that mineral enrichment time is long.Because its pressure is to ore deposit, make its production capacity very large, the efficiency of separation is very high, and separating effect is also better.Rotational flow microbubble flotation column is a kind of efficient separation equipment, rotational flow sorting is combined with post flotation, and adopt multiple mineralising mode, there is unit volume disposal ability large, sorting is selectively good, and the feature that efficiency is high has adapted to the nonlinear physical property characteristic of mineral to a certain extent, be particularly suitable for the sorting of fine-particle minerals, but need further to be improved for the flotation recovering effect of easily floating coarse granule mineral.In addition, centrifugal floatation sorting machine, the research of the equipment such as floating flotation device, swirl separator is the focus of domestic process control technology research soon, but the research of these equipment inevitably adopts single mineralising mode to process non-linear process, Research Thinking concentrates on a unit of assorting room, rather than whole process, the key issue that does not find non-linear process to design.Thereby often take and sacrifice recovery power and improve mineralising efficiency as cost, as flash flotation machine can only be for flow process front end, jet flotation machine is because the rate of recovery can not guarantee to need many series windings.
Rotational flow microbubble flotation column, as the high-efficiency appliance of current microfine sorting, if further improve its ability to coarse granule sorting, can improve the adaptability of this equipment to sorting mineral greatly.Therefore, before flotation column sorting, the easily floating coarse granule mineral in floatation feed being carried out to preferential preliminary election, make its emersion as early as possible, will be a practicable method, can further improve disposal ability and the efficiency of separation of flotation column.The design of this assorting room also has great reasonability, the also further adaptive nonlinear floatation process features of mineral.
Summary of the invention
The object of the invention is to solve the problems of the technologies described above, a kind of centrifugal prefloat formula post method for separating that can realize mineral prefloat is provided, and there is compact conformation, disposal ability is large and the efficiency of separation is high centrifugal prefloat formula post sorting unit and method.
For realizing above-mentioned technical purpose, centrifugal prefloat formula post sorting unit of the present invention, comprise column-type floatation device, described column-type floatation device comprises flotation column cylinder and circulating pump, in flotation column cylinder, middle part is provided with sieve plate, flotation column cylinder is provided with circulation ore pulp and distributes ring to be provided with a plurality of mixing mineralising pipes that are connected with flotation column cylinder below, on each mixing mineralising pipe, be equipped with bubble generator, flotation column cylinder bottom is provided with separated back taper, separated back taper top is respectively equipped with mine tailing discharge nozzle and circulation chats discharge nozzle, circulation chats discharge nozzle is connected to circulating pump by circulating pump, flotation column cylinder top in described column-type floatation device is provided with and embeds centrifugal prefloat device, the centrifugal prefloat device of described embedding comprises the centrifugal prefloat device cell body being located in flotation column cylinder top, centrifugal mineral laden bubble generator and cover the foam collecting tank on flotation column cylinder, centrifugal prefloat device cell body outer wall is provided with the many steel pipes that are welded and fixed with flotation column inboard wall of cylinder, in centrifugal prefloat device cell body, be provided with polylith stabilier, centrifugal prefloat device cell body bottom even is provided with many discharge nozzles, described centrifugal mineral laden bubble generator comprises motor and stretches into the centrifugal impeller in centrifugal prefloat device cell body, between motor and centrifugal impeller, be provided with transmission device, centrifugal impeller is provided with impeller housing outward, on impeller housing, be respectively equipped with air intake duct and feeding pipe, the uniform rectangle material outlet canal of impeller housing week edge vane rotary direction, described foam collecting tank bottom is provided with concentrate mouth, described air intake duct is provided with charging valve F.
Right to use requires a centrifugal prefloat formula post method for separating for centrifugal prefloat formula post sorting unit described in 1, comprises the steps:
A, to injecting the clear water that is about cylinder volume 1/3 in flotation column cylinder, start circulating pump, open the upper charging valve E arranging of bubble generator (4);
B, the motor that starts centrifugal prefloat device makes centrifugal impeller start rotation by transmission device, open charging valve F simultaneously and inject air, feeding pipe to centrifugal prefloat device injects ore pulp, ore pulp and air enter in the cavity between centrifugal impeller and impeller housing under the effect of power is sobbed in the centrifugal suction of centrifugal impeller, ore pulp mutually mixes and produces a large amount of mineral laden bubbles with air, and spray in prefloat device cell body by impeller housing periphery rectangle discharge nozzle, in prefloat device cell body, by stabilier, produce climbing power, thereby making becomes concentrate and is spilled in foam collecting tank from flotation column downflow weir along with bubble is upwards unsteady after the mineral grain mineralising in ore pulp, from concentrate mouth, flow out, the mineral grain by bubble floating does not enter in flotation column cylinder and continues flotation from the circular discharge nozzle in centrifugal prefloat device cell body bottom with ore pulp,
C, enter the downward sedimentation of ore pulp process multiple sieve plate in flotation column cylinder, the air intake duct of air on bubble generator sucks, described air intake duct is provided with charging valve E, the air sucking together with ore pulp through bubble generator with mix after mineralising pipe mixed at high speed, air is cut into a large amount of micro-bubbles, tangentially feed flotation column cylinder middle and lower part, bubble produces climbing power in cylinder, and bump with the ore pulp of downward sedimentation, the bubble that sticks mineral grain in collision process continues upwards to float and become concentrate and be spilled in foam collecting tank from flotation column downflow weir through multiple sieve plate, from concentrate mouth, flow out, the mineral grain by bubble floating does not continue downward sedimentation with ore pulp, through bottom, separated back taper is divided into circulation chats and mine tailing two parts, mine tailing flows out through mine tailing discharge nozzle, circulation chats flows out through circulation chats discharge nozzle, the circulation chats flowing out feeds circulation ore pulp through circulating pump and distributes ring, through bubble generator, produce high-speed jet, and by the air intake duct air amount on bubble generator, air is tangentially sent flotation again in flotation column cylinder back to through bubble generator and mixing mineralising pipe together with ore pulp, circulation successively, until complete separation, downflow weir during described centrifugal prefloat device busy need to be lower than flotation column downflow weir 100 mm～150 mm.
Beneficial effect: at the centrifugal prefloat device of the inner embedding of flotation column, can be in advance to the easily floating mineral priority reclamation in floatation feed, particularly make easily to float the quick emersion of coarse granule mineral, reduce the pressure of subsequent columns sorting, follow-up flotation column is mainly used in the relatively difficult floating fine grained mineral of sorting, the combination of this assorting room has adapted to the nonlinear floatation process feature of mineral, contributes to improve the bulk metal rate of recovery.In addition, prefloat device has cushioning effect to the pan feeding of follow-up flotation column, has reduced the impact of pan feeding fluctuation on flotation column assorting room, contributes to the stable control of flotation column liquid level, thereby improves the sorting environment of flotation column, has improved the efficiency of separation.
Accompanying drawing explanation
Fig. 1 is centrifugal prefloat formula post sorting unit structural representation of the present invention.
In figure: 1-foam collecting tank, 2-concentrate mouth, 3-circulation ore pulp distributes ring, 4-bubble generator, 5-mixes mineralising pipe, 6-flotation column cylinder, the separated back taper of 7-, 8-steel pipe, 9-motor, 10-transmission device.The centrifugal prefloat device of 11-cell body, 12-stabilier, the circular discharge nozzle of 13-, 14-sieve plate, 15-mine tailing discharge nozzle, 16-centrifugal impeller, 17-air intake duct, 18-rectangle discharge nozzle, 19-impeller housing, 20-circulation chats discharge nozzle, 21-feeding pipe, 22-circulating pump.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail:
As shown in Figure 1, centrifugal prefloat formula post sorting unit of the present invention, comprise column-type floatation device, described column-type floatation device comprises flotation column cylinder 6 and circulating pump 22, the interior middle part of flotation column cylinder 6 is provided with sieve plate 14, flotation column cylinder 6 is provided with circulation ore pulp and distributes ring 3 to be provided with a plurality of mixing mineralising pipes 5 that are connected with flotation column cylinder 6 belows, on each mixing mineralising pipe 5, be equipped with bubble generator 4, flotation column cylinder 6 bottoms are provided with separated back taper 7, separated back taper 7 tops are respectively equipped with mine tailing discharge nozzle 15 and circulation chats discharge nozzle 20, circulation chats discharge nozzle 20 is connected to circulating pump 22 by circulating pump 22, it is characterized in that: flotation column cylinder 6 tops in described column-type floatation device are provided with and embed centrifugal prefloat device, the centrifugal prefloat device of described embedding comprises the centrifugal prefloat device cell body 11 being located in flotation column cylinder 6 tops, centrifugal mineral laden bubble generator and cover the foam collecting tank 1 on flotation column cylinder 6, centrifugal prefloat device cell body 11 outer walls are provided with the many steel pipes 8 that are welded and fixed with flotation column cylinder 6 inwalls, in centrifugal prefloat device cell body 11, be provided with polylith stabilier 12, centrifugal prefloat device cell body 11 bottom evens are provided with many discharge nozzles 13, described centrifugal mineral laden bubble generator comprises motor 9 and stretches into the centrifugal impeller 16 in centrifugal prefloat device cell body 11, between motor 9 and centrifugal impeller 16, be provided with transmission device 10, the outer impeller housing 19 that is provided with of centrifugal impeller 16, on impeller housing 19, be respectively equipped with air intake duct 17 and feeding pipe 21, air intake duct 17 is provided with charging valve F, 19 weeks uniform rectangle material outlet canals 18 of edge vane rotary direction of impeller housing, described foam collecting tank 1 bottom is provided with foam collecting tank concentrate mouth 2.
Right to use requires a centrifugal prefloat formula post method for separating for centrifugal prefloat formula post sorting unit described in 1, comprises the steps:
A, to the interior injection of flotation column cylinder 6, be about the clear water of cylinder volume 1/3, start circulating pump 22, open the charging valve E arranging on bubble generator 4;
B, the motor 9 that starts centrifugal prefloat device makes centrifugal impeller 16 start rotation by transmission device 10, open charging valve F simultaneously and inject air, feeding pipe 21 to centrifugal prefloat device is that ore pulp is injected at feeding mouth A place, ore pulp and air enter in the cavity between centrifugal impeller 16 and impeller housing 19 under the effect of power is sobbed in the centrifugal suction of centrifugal impeller 16, ore pulp mutually mixes and produces a large amount of mineral laden bubbles with air, and spray in prefloat device cell body 11 by impeller housing 19 periphery rectangle discharge nozzles 18, in prefloat device cell body 11, by stabilier 12, produce climbing power, thereby making after the mineral grain mineralising in ore pulp becomes concentrate and is spilled in foam collecting tank 1 from flotation column downflow weir along with bubble upwards floats, from concentrate mouth 2, be that discharging opening B flows out, the mineral grain by bubble floating does not enter the interior continuation flotation of flotation column cylinder 6 with ore pulp from the circular discharge nozzle 13 in centrifugal prefloat device cell body 11 bottoms,
C, enter the downward sedimentation of ore pulp process multiple sieve plate 14 in flotation column cylinder 6, the air intake duct of air on bubble generator 4 sucks, described air intake duct is provided with charging valve E, the air sucking together with ore pulp through bubble generator 4 with mix after mineralising pipe 5 mixed at high speed, air is cut into a large amount of micro-bubbles, tangentially feed flotation column cylinder 6 middle and lower parts, bubble is in the interior generation climbing power of cylinder 6, and bump with the ore pulp of downward sedimentation, the bubble that sticks mineral grain in collision process continues upwards to float through multiple sieve plate 14 and becomes concentrate and be spilled in foam collecting tank 1 from flotation column downflow weir, from concentrate mouth 2, flow out, the mineral grain by bubble floating does not continue downward sedimentation with ore pulp, through bottom, separated back taper 7 is divided into circulation chats and mine tailing two parts, mine tailing flows out from mine tailing mouth C through mine tailing discharge nozzle 15, circulation chats flows out through circulation chats discharge nozzle 20 mine mouth D from circulation, the circulation chats flowing out feeds circulation ore pulp through circulating pump 22 and distributes ring 3, through bubble generator 4, produce high-speed jet, and by the air intake duct air amount on bubble generator 4, air is tangentially sent flotation again in flotation column cylinder 6 back to through bubble generator 4 and mixing mineralising pipe 5 together with ore pulp, circulation successively, until complete separation.The downflow weir of described centrifugal prefloat device need to be lower than flotation column downflow weir 100 mm～150 mm when work.
Claims (4)
1. a centrifugal prefloat formula post sorting unit, comprise column-type floatation device, described column-type floatation device comprises flotation column cylinder (6) and circulating pump (22), in flotation column cylinder (6), middle part is provided with sieve plate (14), flotation column cylinder (6) is provided with circulation ore pulp and distributes ring (3) to be provided with a plurality of mixing mineralising pipes (5) that are connected with flotation column cylinder (6) below, on each mixing mineralising pipe (5), be equipped with bubble generator (4), flotation column cylinder (6) bottom is provided with separated back taper (7), separated back taper (7) top is respectively equipped with mine tailing discharge nozzle (15) and circulation chats discharge nozzle (20), circulation chats discharge nozzle (20) is connected to circulating pump (22) by circulating pump (22), it is characterized in that: flotation column cylinder (6) top in described column-type floatation device is provided with and embeds centrifugal prefloat device, the centrifugal prefloat device of described embedding comprises the centrifugal prefloat device cell body (11) being located in flotation column cylinder (6) top, centrifugal mineral laden bubble generator and cover the foam collecting tank (1) on flotation column cylinder (6), centrifugal prefloat device cell body (11) outer wall is provided with the many steel pipes (8) that are welded and fixed with flotation column cylinder (6) inwall, in centrifugal prefloat device cell body (11), be provided with polylith stabilier (12), centrifugal prefloat device cell body (11) bottom even is provided with many discharge nozzles (13), described centrifugal mineral laden bubble generator comprises motor (9) and stretches into the centrifugal impeller (16) in centrifugal prefloat device cell body (11), between motor (9) and centrifugal impeller (16), be provided with transmission device (10), the outer impeller housing (19) that is provided with of centrifugal impeller (16), on impeller housing (19), be respectively equipped with air intake duct (17) and feeding pipe (21), impeller housing (19) all edges uniform rectangle material outlet canal of vane rotary direction (18), described foam collecting tank (1) bottom is provided with concentrate mouth (2).
2. centrifugal prefloat formula post sorting unit according to claim 1, is characterized in that: described air intake duct (17) is provided with charging valve F.
3. right to use requires a centrifugal prefloat formula post method for separating for centrifugal prefloat formula post sorting unit described in 1, it is characterized in that comprising the steps:
A, to injecting the clear water that is about cylinder volume 1/3 in flotation column cylinder (6), start circulating pump (22), open the upper charging valve E arranging of bubble generator (4);
B, the motor (9) that starts centrifugal prefloat device makes centrifugal impeller (16) start rotation by transmission device (10), open charging valve F simultaneously and inject air, feeding pipe (21) to centrifugal prefloat device injects ore pulp, ore pulp and air enter in the cavity between centrifugal impeller (16) and impeller housing (19) under the effect of power is sobbed in the centrifugal suction of centrifugal impeller (16), ore pulp mutually mixes and produces a large amount of mineral laden bubbles with air, and spray in prefloat device cell body (11) by impeller housing (19) periphery rectangle discharge nozzle (18), in prefloat device cell body (11), by stabilier (12), produce climbing power, thereby making becomes concentrate and is spilled over to (1) in foam collecting tank from flotation column downflow weir along with bubble is upwards unsteady after the mineral grain mineralising in ore pulp, from concentrate mouth (2), flow out, the mineral grain by bubble floating does not enter continuation flotation in flotation column cylinder (6) with ore pulp from centrifugal prefloat device cell body (11) the circular discharge nozzle in bottom (13),
C, enter ore pulp process multiple sieve plate (14) sedimentation downwards in flotation column cylinder (6), the air intake duct of air on bubble generator (4) sucks, described air intake duct is provided with charging valve E, the air sucking together with ore pulp after bubble generator (4) and mixing mineralising pipe (5) mixed at high speed, air is cut into a large amount of micro-bubbles, tangentially feed flotation column cylinder (6) middle and lower part, bubble produces climbing power in cylinder (6), and bump with the ore pulp of downward sedimentation, the bubble that sticks mineral grain in collision process continues upwards to float and become concentrate and be spilled over to (1) in foam collecting tank from flotation column downflow weir through multiple sieve plate (14), from concentrate mouth (2), flow out, the mineral grain by bubble floating does not continue downward sedimentation with ore pulp, through bottom, separated back taper (7) is divided into circulation chats and mine tailing two parts, mine tailing flows out through mine tailing discharge nozzle (15), circulation chats flows out through circulation chats discharge nozzle (20), the circulation chats flowing out feeds circulation ore pulp through circulating pump (22) and distributes ring (3), through bubble generator (4), produce high-speed jet, and by the air intake duct air amount on bubble generator (4), air is tangentially sent flotation again in flotation column cylinder (6) back to through bubble generator (4) and mixing mineralising pipe (5) together with ore pulp, circulation successively, until complete separation.
4. centrifugal prefloat formula post method for separating according to claim 3, is characterized in that: downflow weir during described centrifugal prefloat device busy need to be lower than flotation column downflow weir 100 mm～150 mm.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104668108A (en) * | 2014-12-29 | 2015-06-03 | 山东东山王楼煤矿有限公司 | Flotation device and method for coal slime |
| CN104815770A (en) * | 2015-04-26 | 2015-08-05 | 中国矿业大学 | Whole-grade slurry separation device |
| CN105363380A (en) * | 2015-10-27 | 2016-03-02 | 中国矿业大学 | Device and method for pretreating external circulation type pulp based on jet flow mixing |
| CN105562216A (en) * | 2016-02-23 | 2016-05-11 | 中国矿业大学 | Jet flow pre-flotation type cyclone microbubble flotation column separation equipment and separation method |
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| CN104668108A (en) * | 2014-12-29 | 2015-06-03 | 山东东山王楼煤矿有限公司 | Flotation device and method for coal slime |
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| CN105834011A (en) * | 2016-06-03 | 2016-08-10 | 武汉工程大学 | Floatation column intensified separation device with filler structure and separation method |
| CN105834011B (en) * | 2016-06-03 | 2018-06-08 | 武汉工程大学 | Flotation column intensified sorting device and method for separating with filling-material structure |
| CN106840740A (en) * | 2017-03-24 | 2017-06-13 | 中国矿业大学 | Sample synchronous acquisition device and method in a kind of laboratory flotation column |
| CN107321505A (en) * | 2017-09-04 | 2017-11-07 | 中煤（天津）洗选科技有限公司 | Qu Pao mechanisms on jet micro-bubble flotation machine |
| CN108246515A (en) * | 2018-03-28 | 2018-07-06 | 中国矿业大学 | A kind of size mixing flotation integral system and method for floating of sizing mixing with internal circulatory function |
| CN108273668A (en) * | 2018-03-28 | 2018-07-13 | 中国矿业大学 | A kind of fast-flotation system and method for floating mixing mineralising based on strong turbulence |
| CN108246515B (en) * | 2018-03-28 | 2024-03-01 | 中国矿业大学 | Pulping and flotation integrated system with internal circulation function and pulping and flotation method |
| CN108273668B (en) * | 2018-03-28 | 2024-03-01 | 中国矿业大学 | Rapid flotation system and flotation method based on high-turbulence mixed mineralization |
| CN109046793A (en) * | 2018-07-03 | 2018-12-21 | 安徽理工大学 | A kind of mineral floating system |
| CN109967264A (en) * | 2019-04-29 | 2019-07-05 | 中国矿业大学 | A kind of hybrid separation system and method based on hydroenhancement |
| CN109967264B (en) * | 2019-04-29 | 2023-10-13 | 中国矿业大学 | Mixed separation system and method based on fluid strengthening |
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Application publication date: 20140312 |