CN204234228U - Two for the three-product HM cyclone with no pressure that is situated between - Google Patents
Two for the three-product HM cyclone with no pressure that is situated between Download PDFInfo
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- CN204234228U CN204234228U CN201420649377.5U CN201420649377U CN204234228U CN 204234228 U CN204234228 U CN 204234228U CN 201420649377 U CN201420649377 U CN 201420649377U CN 204234228 U CN204234228 U CN 204234228U
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Abstract
The utility model discloses two for the three-product HM cyclone with no pressure that is situated between, primarily of one section of dense medium whirl cylinder, two sections of dense medium whirl cylinders, one section of raw coal feeding mouth, one section of qualified medium feeding mouth, cleaned coal discharging opening, one section of underflow opening, two sections of feeding mouths, two sections two for Jie's mouth, middle coal discharging opening, spoil discharging opening, one section of dense medium whirl cylinder support, two sections of dense medium whirl cylinder supports and transition conduit composition, one section dense medium whirl cylinder is circular cylinder, high-abrasive material is applied in circular cylinder, one section of dense medium whirl cylinder is supported by one section of dense medium whirl cylinder support and is obliquely installed, the utility model and existing three-product HM cyclone with no pressure are compared with former technology and complete set equipment, one two sections pairs are increased newly for Jie's mouth 8, this Novel non-pressure three-product HM cyclone solves the problem of two sections of online fine adjustments, the adjustment of two sections of separating densities is become " active adjustment mode " by " passive regulative mode ", reach middle coal losses to greatest extent little, spoil dumps the high object of purity.
Description
Technical field
The utility model relates to a kind of plant equipment, particularly relates to a kind of plant equipment being applicable to Oversized Coking Coal Cleaning Plant.
Background technology
Since entering 21 century, construction of coal preparation plant scale is increasing, and achieve significant progress as main research and development of washing the three-product HM cyclone of one of equipment, China marches at the forefront of the world to the investigation and application of three-product HM cyclone.In recent years, the research of three-product HM cyclone mainly launches around " equipment enlarging " and " saving energy and reduce the cost " two principal themes.In the development course of three-product HM cyclone, Tangshan Branch of China Coal Research Institute (hereinafter referred to as Tang Shanyuan) and Tangshan Guohua Technology Co., Ltd have carried out a large amount of pilot studys, and very large contribution has been made in the popularization for three-product HM cyclone.
Equipment enlarging aspect: in April, 1999, Tang Shanyuan has succeeded in developing 3NWX1200/850 type Triproduct heavy medium cyclone with pressureless feeding, and is successfully applied to the old toft coal preparation plant in Guizhou, and after this, Triproduct heavy medium cyclone with pressureless feeding starts to sweep the country.In March, 2004, Tangshan Guohua Technology Co., Ltd is proposed 3GDMC1400/1000A type Triproduct heavy medium cyclone with pressureless feeding, and comes into operation in Guizhou baked wheaten cake paving coal preparation plant.In October, 2006, the 15 international coal separation conference is held in China, and Hui Shang Tang Shanyuan is proposed the 3SNWX1500/1100 type Triproduct heavy medium cyclone with pressureless feeding of current largest domestic.
Energy-saving and cost-reducing aspect: in December, 2004, it is two for Jie's Triproduct heavy medium cyclone with pressureless feeding that Tang Shanyuan has succeeded in developing 3SNWX1300/920 type, and debug successfully at Shanxi Jinyang Coal Separating Plant.The main feature of this equipment is that (one of them is stable large discharge entrance to a cylindrical section type cyclone outfit two confession Jie mouth, another is adjustable low discharge entrance), this structure make velocity field in cyclone and density field evenly, the sorting of suspension actual density pressed to material more favourable, sharpness of separation is higher, and control of product quality is also easier.This way controlling major diameter three-product HM cyclone with Small-power Inverter, undoubtedly to energy-saving and cost-reducing greatly favourable.
In addition, the Researching and practicing that the scholar of other equipment development units and engineering field is correlated with to the feeding mouth shape of three-product HM cyclone, discharge gate shape, the control method of two sections of cyclone separating densities, the paving mode etc. of high-abrasive material, these achievements all contribute to three-product HM cyclone and update and innovate.
Large-scale three-product HM cyclone is developed so far, and the shortcoming of " one section of feed pressure is large " and " two sections of separating densities not easily regulate " is not yet effectively solved, and main manifestations is as follows:
First: in order to meet the feed pressure (realizing by one section of overbottom pressure) of two sections of cyclones, one section of feed pressure is often higher, thing followed problem is that cyclone pan feeding pump power increases, and cyclone, pump and pipe wear are accelerated.The statistics of feed pressure in cyclone manufacturer sample, in table 1, table 2.
Table 1 three-product HM cyclone feed pressure statistical form
| Cyclone model | Operating pressure/MPa | Manufacturer |
| WTMC1200/850 type Triproduct heavy medium cyclone with pressureless feeding | 0.20~0.28 | Sea king |
| 3GDMC1200/850 type Triproduct heavy medium cyclone with pressureless feeding | 0.17~0.29 | China of state |
| 3NWX (A) 1200/850 type Triproduct heavy medium cyclone with pressureless feeding | 0.13~0.22 | Tang Shanyuan |
| YTMC1200/850 type pressurized feeding three-product HM cyclone | 0.22~0.28 | Sea king |
| 3NZX1200/850 type pressurized feeding three-product HM cyclone | 0.20~0.30 | Tang Shanyuan |
Table 2 liang product dense medium cyclone feed pressure statistical form
| Cyclone model | Operating pressure/MPa | Manufacturer |
| NZX1200 type pressurized feeding two product dense medium cyclone | 0.10 | Tang Shanyuan |
| FZJ1200 type pressurized feeding two product dense medium cyclone | 0.10~0.17 | Sea king |
| D48B (1219mm) type pressurized feeding two product dense medium cyclone | 0.11 | Krebs |
| WR1150 type pressurized feeding two product dense medium cyclone | 0.10 | Ludowici |
| MA1150 type pressurized feeding two product dense medium cyclone | 0.10 | Multotec |
Note: import pressurized feeding two product dense medium cyclone does not ask for the specification of φ 1200mm temporarily, replaces in table 2 with close diameter.
As can be seen from table 1, table 2: under the condition that diameter is identical, the feed pressure of three-product HM cyclone is almost 2 times of two product cyclone feed pressures, just can obtain effective sorting under the feed pressure of why material 0.1MPa in two product dense medium cyclone, three-product HM cyclone then needs 0.2 ~ 0.3MPa.Analysis reason is known, in order to ensure the separating effect of two sections of cyclones, the feed pressure of two sections of cyclones at least should at 0.1MPa, overbottom pressure namely through one section of cyclone rear suspension liquid needs to remain on more than 0.1Mpa, and the feed pressure met required for one section of actual sorting of cyclone is 0.1 ~ 0.15MPa, therefore, one section of total feed pressure must reach 0.2 ~ 0.25MPa, and guarantee two sections of pan feedings have enough overbottom pressure.This be also three-product HM cyclone sorting process with two section of two product dual medium cyclone dressing technique than one of major defect when selecting.
Second: the on-line control problem of large-scale tertiary industry dense medium product swirler two sections.The three-product HM cyclone with no pressure of current use adopts the separating effect regulating overflow pipe insertion depth to carry out on-line control two sections of cyclones, and facts have proved, this adjustment is very limited.Coal preparation plant's working condition is more severe, lubrication does not catch up with, after actual production a period of time, regulating wheel often becomes rusty extremely, thus cause two sections of overflow pipe insertion depths not regulate, at this moment regulating wheel performs practically no function, and cannot play the object of on-line control, can only pass through replacing two sections of underflow opening sizes, change two sections of overfall sizes, or improve or reduce the separating effect that the methods such as one section of feed pressure control two sections.The on-line control problem of three-product HM cyclone two sections does not have better solution.
Summary of the invention
In view of existing device Problems existing, the utility model object is the technical disadvantages overcoming existing device, effectively can reduce three-product HM cyclone with no pressure one section of feed pressure, do not affect again two sections of separating effects, and solve two sections of online fine adjustment problems of cyclone preferably, provide a kind of two for the three-product HM cyclone with no pressure that is situated between.
The technical scheme in the invention for solving the technical problem can be:
Two for the three-product HM cyclone with no pressure that is situated between, primarily of one section of dense medium whirl cylinder, two sections of dense medium whirl cylinders, one section of raw coal feeding mouth, one section of qualified medium feeding mouth, cleaned coal discharging opening, one section of underflow opening, two sections of feeding mouths, two sections two for Jie's mouth, middle coal discharging opening, spoil discharging opening, one section of dense medium whirl cylinder support, two sections of dense medium whirl cylinder supports and transition conduit composition, one section dense medium whirl cylinder is circular cylinder, high-abrasive material is applied in circular cylinder, one section of dense medium whirl cylinder is supported by one section of dense medium whirl cylinder support and is obliquely installed, one section of dense medium whirl cylinder closed at both ends, porose place, left end center connects one section of raw coal feeding mouth one end, one section of raw coal feeding mouth is 30 degree of bend pipes, 30 degree of bend pipe other end opening upwards, porose place, one section of dense medium whirl cylinder right-hand member center connects cleaned coal discharging opening, cleaned coal discharging opening is round tube, right-hand member top connects one section of qualified medium feeding mouth, one section of qualified medium feeding mouth is that one section of arc square tube and hemispherical dome form, one section of dense medium whirl cylinder left end bottom connects one section of underflow opening, one section of underflow opening connects two sections of feeding mouths by transition conduit, two sections of feeding mouths are also arranged on two sections of dense medium whirl cylinder left end bottoms, two sections of dense medium whirl cylinders are made up of straight tube and Taper Pipe, high-abrasive material is also applied in two sections of dense medium whirl cylinder inside, two sections of dense medium whirl cylinders are supported by two sections of dense medium whirl cylinder supports and are obliquely installed, coal discharging opening during two sections of dense medium whirl cylinder left ends connect, middle coal discharging opening is the circular cylinder that left end is closed, circular cylinder bottom arranges the small circular outlet to bottom discharge, two sections of dense medium whirl cylinder left upper part connect two sections pairs for Jie's mouth, two sections of two Jie's mouths that supply are made up of one section of arc square tube and hemispherical dome, two sections two for Jie's mouth right-hand member connection spoil discharging opening, spoil discharging opening is pipe.
The technical scheme in the invention for solving the technical problem also can be:
One section of described dense medium whirl cylinder and two sections of dense medium whirl cylinders are obliquely installed side by side, and right low left high is obliquely installed as 10-12 degree.
The technical scheme in the invention for solving the technical problem can also be:
One section of described dense medium whirl cylinder becomes 90 degree to arrange with one section of qualified medium feeding mouth, and one section of dense medium whirl cylinder also becomes 90 degree to arrange with one section of underflow opening; Two sections of described dense medium whirl cylinders become 90 degree to arrange with two sections of feeding mouths, and two sections of dense medium whirl cylinders also become 90 degree to arrange with two sections of two Jie's mouths that supply
The technical scheme in the invention for solving the technical problem can also be:
One section of described underflow opening is consistent with one section of qualified medium feeding mouth opening direction, and opening is towards two sections of dense medium whirl cylinders; Two sections of described feeding mouths are two contrary for Jie's mouth opening direction with two sections.
The technical scheme in the invention for solving the technical problem can also be:
One section of described dense medium whirl cylinder and two sections of interior high-abrasive materials that apply of dense medium whirl cylinder cylindrical shells are arc pottery magnetic patch, and pottery magnetic patch radian is consistent with the radian of whirl cylinder.
The beneficial effects of the utility model are:
1, the utility model and existing three-product HM cyclone with no pressure are compared with former technology and complete set equipment, one two sections pairs are increased newly for Jie's mouth 8, this Novel non-pressure three-product HM cyclone (two sections two for being situated between) solves the problem of two sections of online fine adjustments, the adjustment of two sections of separating densities is become " active adjustment mode " (only controlling feed pump) by " passive regulative mode " (regulate overflow pipe insertion depth, change underflow opening), reaches that middle coal losses is little, spoil dumps the high object of purity to greatest extent.
2, the utility model has set up two sections pairs for Jie's mouth 8 three products' dense-media whirl cylinder with no pressure two sections.Two sections of dense medium whirl cylinders can collocating medium pump separately, and one section of dense medium whirl cylinder feed pressure and qualified medium internal circulating load all can reduce greatly, and feed pressure, by 0.25 ~ 0.3 MPa, is reduced to feed pressure 0.15 ~ 0.20 MPa; One section of qualified Jie's internal circulating load can reduce about 10% ~ 20%, and energy consumption reduces greatly.
Accompanying drawing explanation
Fig. 1 is the utility model front view.
Fig. 2 is the utility model B direction view.
Fig. 3 is the utility model A direction view.
Operation principle
Two one section of dense medium whirl cylinder 1 contour structures for the three-product HM cyclone with no pressure that is situated between is cylindrical shape, identical with existing three-product HM cyclone with no pressure a section; Its enter material way and feeding mouth arrange also all identical with existing three-product HM cyclone with no pressure a section, and namely have two feeding mouths, one is raw coal feeding mouth 3, and another is one section of qualified medium feeding mouth 4.Raw coal and qualified medium feed two raw coal feeding mouth 3 for the three-product HM cyclone with no pressure one section of dense medium whirl cylinder 1 that is situated between and one section of qualified medium feeding mouth 4 respectively.Raw coal feeds from the gravity flow of raw coal feeding mouth 3 top is with no pressure, and qualified medium has pressure to squeeze into by one section of qualification medium pump.Under the density field of qualified medium and the effect of centrifugal field, raw coal is sorting in dense medium cyclone one section of dense medium whirl cylinder 1 first, produces cleaned coal and one section heavy product two parts.Cleaned coal and most of qualified medium (density is lower) mixture are discharged by the cleaned coal discharging opening 5 of one section of dense medium whirl cylinder 1.One section of heavy product of dense medium whirl cylinder 1 and remainder qualified medium (density is higher) mixture are then discharged by one section of underflow opening 6.
Two two sections of dense medium whirl cylinder 2 contour structures for the three-product HM cyclone with no pressure that is situated between are that cylinder adds taper shape, identical with existing three-product HM cyclone with no pressure two sections, but its feeding mouth arranges different from existing three-product HM cyclone with no pressure two sections.Two two sections of dense medium whirl cylinder 2 pan feedings for the three-product HM cyclone with no pressure that is situated between to be attached most importance to product and middle cash qualified medium compound except one section of underflow opening 2(from two sections of feeding mouths 7) except, also have one two sections twoly to supply Jie's mouth 8.Two sections of two Jie's mouths 8 that supply are arranged on feeding end, and its pan feeding direction and one section of underflow opening 2 enter the tangential direction contrary (ensureing that the stream direction of rotation that two sections of whirl cylinders 2 inside are formed is consistent) during two sections of dense medium whirl cylinders 2.After the heavy product of one section of dense medium whirl cylinder 1 enters two sections of dense medium whirl cylinders 2, coal and spoil two kinds of products in producing after sorting in two sections of dense medium whirl cylinders 2 under the effect of the density field that the qualified medium squeezed into of the qualified medium brought at one section of underflow opening 6 and two sections of qualification medium pumps is common and centrifugal field.Middle coal (containing part qualified medium) is discharged by coal discharging opening 9 in two sections of dense medium cyclone 2, and spoil (containing remainder qualified medium) is discharged by spoil discharging opening 10.
Detailed description of the invention
In Fig. 1-3, two for the three-product HM cyclone with no pressure that is situated between, primarily of one section of dense medium whirl cylinder 1, two sections of dense medium whirl cylinders 2, one section of raw coal feeding mouth 3, one section of qualified medium feeding mouth 4, cleaned coal discharging opening 5, one section of underflow opening 6, two sections of feeding mouths 7, two sections two for Jie's mouth 8, middle coal discharging opening 9, spoil discharging opening 10, one section of dense medium whirl cylinder support 11, two sections of dense medium whirl cylinder supports 12 and transition conduit 13 form, one section dense medium whirl cylinder 1 is circular cylinder, high-abrasive material is applied in circular cylinder, one section of dense medium whirl cylinder 1 is supported by one section of dense medium whirl cylinder support 11 and is obliquely installed, one section of dense medium whirl cylinder 1 closed at both ends, porose place, left end center connects one section of raw coal feeding mouth 3 one end, one section of raw coal feeding mouth 3 is 30 degree of bend pipes, 30 degree of bend pipe other end opening upwards, porose place, one section of dense medium whirl cylinder 1 right-hand member center connects cleaned coal discharging opening 5, cleaned coal discharging opening 5 is round tube, right-hand member top connects one section of qualified medium feeding mouth 4, one section of qualified medium feeding mouth 4 is that one section of arc square tube and hemispherical dome form, one section of dense medium whirl cylinder 1 left end bottom connects one section of underflow opening 6, one section of underflow opening 6 connects two sections of feeding mouths 7 by transition conduit 13, two sections of feeding mouths 7 are also arranged on two sections of dense medium whirl cylinder 2 left end bottoms, two sections of dense medium whirl cylinders 2 are made up of straight tube and Taper Pipe, high-abrasive material is also applied in two sections of dense medium whirl cylinder 2 inside, two sections of dense medium whirl cylinders 2 are supported by two sections of dense medium whirl cylinder supports 12 and are obliquely installed, coal discharging opening 9 during two sections of dense medium whirl cylinder 2 left ends connect, the circular cylinder that middle coal discharging opening 9 is closed for left end, circular cylinder bottom arranges the small circular outlet to bottom discharge, two sections of dense medium whirl cylinder 2 left upper part connect two sections pairs for Jie's mouth 8, two sections of two Jie's mouths 8 that supply are made up of one section of arc square tube and hemispherical dome, two sections two for Jie's mouth 8 right-hand member connection spoil discharging opening 10, spoil discharging opening 10 is pipe.
Described one section of dense medium whirl cylinder 1 and two sections of dense medium whirl cylinders 2 are obliquely installed side by side, and right low left high is obliquely installed as 10-12 degree.
One section of described dense medium whirl cylinder 1 is arranged with one section of qualified medium feeding mouth 4 one-tenth 90 degree, and one section of dense medium whirl cylinder 1 also becomes 90 degree to arrange with one section of underflow opening 6; Two sections of described dense medium whirl cylinders 2 are arranged with two sections of feeding mouths 7 one-tenth 90 degree, and two sections of dense medium whirl cylinders 2 also become 90 degree to arrange with two sections of two Jie's mouths 8 that supply
One section of described underflow opening 6 is consistent with one section of qualified medium feeding mouth 4 opening direction, and opening is towards two sections of dense medium whirl cylinders 2; Described two sections of feeding mouths 7 are two contrary for Jie's mouth 8 opening direction with two sections.
Described one section of dense medium whirl cylinder 1 and two sections of interior high-abrasive materials that apply of dense medium whirl cylinder 2 cylindrical shells are arc pottery magnetic patch, and pottery magnetic patch radian is consistent with the radian of whirl cylinder.
Claims (6)
1. pair confession Jie three-product HM cyclone with no pressure, primarily of one section of dense medium whirl cylinder (1), two sections of dense medium whirl cylinders (2), one section of raw coal feeding mouth (3), one section of qualified medium feeding mouth (4), cleaned coal discharging opening (5), one section of underflow opening (6), two sections of feeding mouths (7), two sections two for Jie's mouth (8), middle coal discharging opening (9), spoil discharging opening (10), one section of dense medium whirl cylinder support (11), two sections of dense medium whirl cylinder supports (12) and transition conduit (13) composition, it is characterized in that: one section of dense medium whirl cylinder (1) is circular cylinder, high-abrasive material is applied in circular cylinder, one section of dense medium whirl cylinder (1) is obliquely installed by the support of one section of dense medium whirl cylinder support (11), one section of dense medium whirl cylinder (1) closed at both ends, porose place, left end center connects one section of raw coal feeding mouth (3) one end, one section of raw coal feeding mouth (3) is 30 degree of bend pipes, 30 degree of bend pipe other end opening upwards, porose place, one section of dense medium whirl cylinder (1) right-hand member center connects cleaned coal discharging opening (5), cleaned coal discharging opening (5) is round tube, right-hand member top connects one section of qualified medium feeding mouth (4), one section of qualified medium feeding mouth (4) is that one section of arc square tube and hemispherical dome form, one section of dense medium whirl cylinder (1) left end bottom connects one section of underflow opening (6), one section of underflow opening (6) connects two sections of feeding mouths (7) by transition conduit (13), two sections of feeding mouths (7) are also arranged on two sections of dense medium whirl cylinder (2) left end bottoms, two sections of dense medium whirl cylinders (2) are made up of straight tube and Taper Pipe, high-abrasive material is also applied in two sections of dense medium whirl cylinder (2) inside, two sections of dense medium whirl cylinders (2) are obliquely installed by the support of two sections of dense medium whirl cylinder supports (12), coal discharging opening (9) during two sections of dense medium whirl cylinder (2) left ends connect, the circular cylinder that middle coal discharging opening (9) is closed for left end, circular cylinder bottom arranges the small circular outlet to bottom discharge, two sections of dense medium whirl cylinder (2) left upper part connect two sections pairs for Jie's mouth (8), two sections pairs are made up of one section of arc square tube and hemispherical dome for Jie's mouth (8), two sections two for Jie's mouth (8) right-hand member connection spoil discharging opening (10), spoil discharging opening (10) is pipe.
2. according to claim 1 two for the three-product HM cyclone with no pressure that is situated between, it is characterized in that: one section of described dense medium whirl cylinder (1) and two sections of dense medium whirl cylinders (2) are obliquely installed side by side, and right low left high, is obliquely installed as 10-12 degree.
3. according to claim 1 two for the three-product HM cyclone with no pressure that is situated between, it is characterized in that: one section of described dense medium whirl cylinder (1) becomes 90 degree to arrange with one section of qualified medium feeding mouth (4), one section of dense medium whirl cylinder (1) also becomes 90 degree to arrange with one section of underflow opening (6); Two sections of described dense medium whirl cylinders (2) become 90 degree to arrange with two sections of feeding mouths (7), and two sections of dense medium whirl cylinders (2) also become 90 degree to arrange with two sections pairs for Jie's mouth (8).
4. according to claim 1 two for the three-product HM cyclone with no pressure that is situated between, it is characterized in that: one section of described underflow opening (6) is consistent with one section of qualified medium feeding mouth (4) opening direction, and opening is towards two sections of dense medium whirl cylinders (2); Two sections of described feeding mouths (7) are two contrary for Jie's mouth (8) opening direction with two sections.
5. according to claim 1 two for the three-product HM cyclone with no pressure that is situated between, it is characterized in that: it can be that entirety is formed that one section of described dense medium whirl cylinder (1) and two sections of dense medium whirl cylinder (2) cylindrical shells are formed, and also can be that segmentation flange connects and composes.
6. according to claim 1 two for the three-product HM cyclone with no pressure that is situated between, it is characterized in that: one section of described dense medium whirl cylinder (1) and two sections of interior deposited high-abrasive materials of dense medium whirl cylinder (2) cylindrical shells are arced ceramic block, and ceramic block radian is consistent with the radian of whirl cylinder.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420649377.5U CN204234228U (en) | 2014-11-04 | 2014-11-04 | Two for the three-product HM cyclone with no pressure that is situated between |
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| CN201420649377.5U CN204234228U (en) | 2014-11-04 | 2014-11-04 | Two for the three-product HM cyclone with no pressure that is situated between |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108722692A (en) * | 2018-07-17 | 2018-11-02 | 威海市海王旋流器有限公司 | The three products heavy medium cyclone of two sections of separating densities is adjusted using secondary media pipe |
| CN113289779A (en) * | 2021-06-01 | 2021-08-24 | 中南大学 | Mining three-product heavy-medium cyclone |
-
2014
- 2014-11-04 CN CN201420649377.5U patent/CN204234228U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108722692A (en) * | 2018-07-17 | 2018-11-02 | 威海市海王旋流器有限公司 | The three products heavy medium cyclone of two sections of separating densities is adjusted using secondary media pipe |
| CN113289779A (en) * | 2021-06-01 | 2021-08-24 | 中南大学 | Mining three-product heavy-medium cyclone |
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