CN108554812A - A kind of coal screening and removing impurities device - Google Patents

A kind of coal screening and removing impurities device Download PDF

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Publication number
CN108554812A
CN108554812A CN201810388507.7A CN201810388507A CN108554812A CN 108554812 A CN108554812 A CN 108554812A CN 201810388507 A CN201810388507 A CN 201810388507A CN 108554812 A CN108554812 A CN 108554812A
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CN
China
Prior art keywords
screening
fixedly connected
room
coal
motor
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Pending
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CN201810388507.7A
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Chinese (zh)
Inventor
李亚赫
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Individual
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Individual
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Priority to CN201810388507.7A priority Critical patent/CN108554812A/en
Publication of CN108554812A publication Critical patent/CN108554812A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B9/00Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B07B1/30Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro within their own plane in or approximately in or transverse to the direction of conveyance
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B4/00Separating solids from solids by subjecting their mixture to gas currents
    • B07B4/08Separating solids from solids by subjecting their mixture to gas currents while the mixtures are supported by sieves, screens, or like mechanical elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B2201/00Details applicable to machines for screening using sieves or gratings
    • B07B2201/04Multiple deck screening devices comprising one or more superimposed screens

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

The invention discloses a kind of coal screening and removing impurities devices,Coal enters from feed inlet,First motor drives driving lever to stir coal,Coal is in from the first screening net filtration to the second screening net,Simultaneously,Hydraulic Cylinder first screens room reciprocating rotary back and forth,Improve breakneck acceleration,Impurity is discharged from the first discharge port,Two atmospheric pressure pole gap pressing the second screening nets,Reciprocal double swerve is screened,Electric rotating machine drives fan rotation,Slim and graceful impurity is blown off to be discharged from discharge pipe,It is online that the impurity of weight stays in the second screening,Coal is fallen on inclined plate,The coarse filtration for entering third screening room is online,Second motor drives runner rotation,Runner pushes slide to move back and forth,Coarse filtration net and thin filter screen are for re-filtering,Impurity is discharged from the first discharge nozzle and the second discharge nozzle,Pass through above-mentioned Multiple techniques scheme,Effectively remove plurality of impurities.

Description

A kind of coal screening and removing impurities device
Technical field
The present invention relates to colliery engineering field, more particularly to a kind of coal screening and removing impurities device.
Background technology
Coal is the mankind in the region of the mining area exploitation coal resources rich in coal, is generally divided into underground mine and outdoor coal Mine.When coal seam is remote from earth's surface, it is typically chosen to underground and digs tunnel digging coal, this is underground mine.When coal seam is away from earth's surface Distance it is close when, be typically chosen directly stripping surface soil layer excavate coal, this is open coal mine.China's overwhelming majority coal mine category In underground mine.Coal mine range includes above and below ground and the very big region of related facility.Coal mine is the mankind in digging rich in having The proportional space excavated when the geological stratification of coal generally includes tunnel, well cave and face etc..Coal is most important solid Fuel is one kind of kaustobilite.It is the plant in great numbers grown by certain geological epoch, in suitable geological environment In, it is gradually accumulated into thick-layer, and be buried in water-bed or silt, is formed by very long geochronic geochronic natural incoalation 's.It is most with producing coal in the stratum in the Carboniferous Period, the Permian Period, Jurassic Period and the Tertiary Period in the world in Various Geolcgical Ages, it is important Coal-forming age.The phosphorus content of coal is generally 46~97%, brown to black, has dim to metallic luster.According to coalification journey The difference of degree, coal can be divided into peat, four class of lignite, bituminous coal and anthracite.
Currently, in coal field, mined coal is due to cause not of uniform size, so when in use, can all pass through a wheel Screening, the primary structure for the screening structure used is only one group of screening net, is filtered out by the size of mesh of corresponding size Coal, however, since the device is only one group of screening net, screening effect is bad, can not effectively remove impurity, and impurity still can Residual, so needing a kind of technology insufficient to make up this.
Invention content
The purpose of the present invention is that solve the above-mentioned problems, and provides a kind of coal screening and removing impurities device.
To solve the above-mentioned problems, the present invention provides a kind of technical solutions:A kind of coal screening and removing impurities device, including the One screening room, the first screening net, shaft, driving lever, first motor, feed inlet, the first discharge port, valve, shaft, the second screening Room, trepanning, the first platform, hydraulic cylinder, cross bar, supporting rod, idler wheel, the second screening net, blast pipe, discharge pipe, motor cabinet, rotation Motor, fan, atmospheric pressure pole, spin, inclined plate and discharge port;The top left hand of first screening room fixes connection, and there are one chargings Mouthful;First motor there are one being fixedly connected on the top dead center position of first screening room;The output shaft of the first motor For upper axis connection there are one shaft, the shaft is located at the inside of the first screening room;It is described to turn to be fixedly connected with one on the tip of the axis A driving lever;There are one the first screening nets for fixed connection on the bottom end of first screening room;Appearance on the right side of first screening room Connection is fixed in face lower end, and there are one the first discharge ports;Valve there are one being set in first discharge port;First screening room It is hinged on the right side of the second screening room upper surface by shaft on the right side of lower surface;The left side upper end of second screening room, which is fixed, to be connected First platform there are one connecing;One end of the hydraulic cylinder is hinged on the first platform, and the other end of the hydraulic cylinder is hinged on first Screen room left-hand face upper end;Trepanning there are one being set on the top of second screening room;In the chamber of second screening room It is fixedly connected on end position in portion there are one cross bar, the cross bar is mutually parallel with horizontal plane;On the middle end position of the cross bar Supporting rod there are one being fixedly connected;There are one idler wheels for connection on the top of the supporting rod;It is connected with one on the idler wheel A second screening net;The chamber interior top both sides of second screening room are fixedly connected with there are one atmospheric pressure pole;The air pressure Hinged there are one spin on the end of bar, the spin is in contact with the second screening net top;The inclined plate is fixedly connected on On the chamber interior bottom surface of second screening room;Connection is fixed in the right side outer surface lower end of second screening room, and there are one dischargings Mouthful;Fixation is communicated with blast pipe and discharge pipe respectively for the both sides of second screening room;The blast pipe is being fixedly connected with one A motor cabinet;Electric rotating machine there are one being fixedly connected on the motor cabinet;It is fixedly connected on the output shaft of the electric rotating machine One fan.
Preferably, further including notch seat, slide, fixed board, spring, the second platform, the second motor, runner installation Bar, runner, connecting rod, belt, third screening room, coarse filtration net, thin filter screen, the first discharge nozzle and the second discharge nozzle;It is described recessed Second platform there are one being fixedly connected on the right side of mouth seat;Being slidably connected in the notch seat, there are one slides;The slide top On be fixedly connected with that there are one thirds to screen room, third screening room is located at the lower end of discharge port;On the left side of the notch seat Hold fixed board there are one being fixedly connected;Several springs are fixedly connected between the fixed board and slide;The slide Connecting rod there are one being fixedly connected on right side;It is fixedly connected with the second motor and runner mounting rod on second platform;It is described There are one runners for flexible connection on runner mounting rod;The other end of the connecting rod is hinged on runner;Second motor it is defeated Outlet is connected together by the input terminal of belt and runner;The chamber interior upper end of third screening room is fixedly connected with one A inclined coarse filtration net;The chamber interior lower end of third screening room is fixedly connected with an inclined thin filter screen;It is described It is fixed on the right side of third screening room to be communicated with the first discharge nozzle and the second discharge nozzle, first discharge nozzle and coarse filtration net It is flush, second discharge nozzle is flush with thin filter screen.
Preferably, second motor is variable-frequency motor.
Preferably, the coarse filtration net and thin filter screen are metal filter screen.
Preferably, the feed inlet is in bell mouth shape.
Beneficial effects of the present invention:The present invention have it is reasonable for structure it is simple, production cost is low, easy for installation, pass through setting Multiple working procedure quickly screens coal, and to solve in background technology, screening structure is single, the bad problem of the selection result, Coal enters from feed inlet, and first motor drives driving lever to stir coal, and coal is screened from the first screening net filtration to second in net, Meanwhile Hydraulic Cylinder first screens room reciprocating rotary back and forth, improves breakneck acceleration, and impurity is discharged from the first discharge port, and two A the second screening of atmospheric pressure pole gap pressing net, reciprocal double swerve are screened, and electric rotating machine drives fan rotation, blows off slim and graceful Impurity be discharged from discharge pipe, the impurity of weight stays in that the second screening is online, and coal is fallen on inclined plate, enters third screening room Coarse filtration is online, and the second motor drives runner rotation, runner that slide is pushed to move back and forth, and coarse filtration net and thin filter screen carry out again Secondary filtering, impurity are discharged from the first discharge nozzle and the second discharge nozzle, by above-mentioned Multiple techniques scheme, effectively remove a variety of miscellaneous Matter.
Description of the drawings
The present invention is described in detail by following specific implementations and attached drawing for ease of explanation,.
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the part-structure schematic diagram of the present invention;
Fig. 3 is the part-structure schematic diagram of the present invention.
1- first screens room;2- first screens net;3- shafts;4- driving levers;5- first motors;6- feed inlets;7- first goes out Material mouth;8- valves;9- shafts;10- second screens room;11- trepannings;The first platforms of 12-;13- hydraulic cylinders;14- cross bars;15- branch Strut;16- idler wheels;17- second screens net;18- blast pipes;19- discharge pipes;20- motor cabinets;21- electric rotating machines;22- fans; 23- atmospheric pressure poles;24- spin;25- inclined plates;26- discharge ports;27- notch seats;28- slides;29- fixed boards;30- springs;31- Second platform;The second motors of 32-;33- runner mounting rods;34- runners;35- connecting rods;36- belts;37- thirds screen room;38- Coarse filtration net;The thin filter screens of 39-;The first discharge nozzles of 40-;The second discharge nozzles of 41-.
Specific implementation mode
As shown in Figure 1 to Figure 3, present embodiment uses following technical scheme:A kind of coal screening and removing impurities device, packet It includes the first screening room 1, first screening net 2, shaft 3, driving lever 4, first motor 5, feed inlet 6, the first discharge port 7, valve 8, turn Axis 9, second screens room 10, trepanning 11, the first platform 12, hydraulic cylinder 13, cross bar 14, supporting rod 15, the screening net of idler wheel 16, second 17, blast pipe 18, discharge pipe 19, motor cabinet 20, electric rotating machine 21, fan 22, atmospheric pressure pole 23, spin 24, inclined plate 25 and discharging Mouth 26;The top left hand of first screening room 1 fixes connection, and there are one feed inlets 6;The top center of first screening room 1 First motor 5 there are one being fixedly connected on position;Shaft 3 there are one axis connections on the output shaft of the first motor 5, described turn Axis 3 is located at the inside of the first screening room 1;Driving lever 4 there are one being fixedly connected on the end of the shaft 3;First screening room 1 Bottom end on fixed connection there are one the first screening nets 2;First screening, 1 right side outer surface lower end of room is fixed there are one connections First discharge port 7;Valve 8 there are one being set in first discharge port 7;By turning on the right side of the lower surface of first screening room 1 Axis 9 is hinged on the right side of 10 upper surface of the second screening room;The left side upper end of second screening room 10 is fixedly connected with that there are one the One platform 12;One end of the hydraulic cylinder 13 is hinged on the first platform 12, and the other end of the hydraulic cylinder 13 is hinged on the first sieve Select 1 left-hand face upper end of room;Trepanning 11 there are one being set on the top of second screening room 10;The chamber of second screening room 10 It is fixedly connected on end position in chamber interior there are one cross bar 14, the cross bar 14 is mutually parallel with horizontal plane;The cross bar 14 Supporting rod 15 there are one being fixedly connected on middle end position;There are one idler wheels 16 for connection on the top of the supporting rod 15;The rolling There are one the second screening nets 17 for flexible connection on wheel 16;The chamber interior top both sides of second screening room 10 are fixedly connected with There are one atmospheric pressure poles 23;Hinged there are one spin 24 on the end of the atmospheric pressure pole 23, the spin 24 and second screens net 17 tops are in contact;The inclined plate 25 is fixedly connected on the chamber interior bottom surface of the second screening room 10;Second screening room Connection is fixed in 10 right side outer surface lower end, and there are one discharge ports 26;Fixation is communicated with respectively for the both sides of second screening room 10 Blast pipe 18 and discharge pipe 19;The blast pipe 18 is being fixedly connected there are one motor cabinet 20;It is fixed on the motor cabinet 20 to connect Electric rotating machine 21 there are one connecing;Fan 22 there are one being fixedly connected on the output shaft of the electric rotating machine 21.
As shown in Figure 1 to Figure 3, further include notch seat 27, slide 28, fixed board 29, spring 30, the second platform 31, Two motors 32, runner mounting rod 33, runner 34, connecting rod 35, belt 36, third screening room 37, coarse filtration net 38, thin filter screen 39, the first discharge nozzle 40 and the second discharge nozzle 41;The right side of the notch seat 27 is fixedly connected there are one the second platform 31;It is described Being slidably connected in notch seat 27, there are one slides 28;Third screens room 37, institute there are one being fixedly connected on 28 top of the slide State the lower end that third screening room 37 is located at discharge port 26;The left side upper end of the notch seat 27 is fixedly connected there are one fixed board 29;Several springs 30 are fixedly connected between the fixed board 29 and slide 28;It is fixed on the right side of the slide 28 to connect Connecting rod 35 there are one connecing;The second motor 32 and runner mounting rod 33 are fixedly connected on second platform 31;The runner peace Filling flexible connection on bar 33, there are one runners 34;The other end of the connecting rod 35 is hinged on runner 34;Second motor 32 Output end be connected together by belt 36 and the input terminal of runner 34;The chamber interior upper end of third screening room 37 It is fixedly connected with an inclined coarse filtration net 38;The chamber interior lower end of third screening room 37 be fixedly connected one it is inclined Thin filter screen 39;Fixation is communicated with the first discharge nozzle 40 and the second discharge nozzle 41, institute on the right side of third screening room 37 It states the first discharge nozzle 40 to be flush with coarse filtration net 38, second discharge nozzle 41 is flush with thin filter screen 39.
Wherein, second motor 32 is variable-frequency motor;The coarse filtration net 38 and thin filter screen 39 are metal filtration Net;The feed inlet 6 is in bell mouth shape.
The present invention use state be:The present invention have it is reasonable for structure it is simple, production cost is low, easy for installation, by setting It sets multiple working procedure quickly to screen coal, to solve in background technology, screening structure is single, and the selection result is bad to ask Topic, coal enter from feed inlet 6, and first motor 5 drives driving lever 4 to stir coal, and coal is filled into the second sieve from the first screening net 2 In network selection 17, meanwhile, hydraulic cylinder 13 pushes the first screening room 1 reciprocating rotary back and forth, improves breakneck acceleration, impurity discharges from first It is discharged in mouth 7, two 23 gaps of atmospheric pressure pole pressing the second screening nets 17, reciprocal double swerve is screened, 21 band of electric rotating machine Dynamic fan 22 rotates, and blows slim and graceful impurity off and is discharged from discharge pipe 19, the impurity of weight stays on the second screening net 17, and coal is fallen on It on inclined plate 25, enters on the coarse filtration net 38 of third screening room 37, the second motor 32 drives runner 34 to rotate, and runner 34 pushes Slide 28 moves back and forth, and coarse filtration net 38 and thin filter screen 39 are for re-filtering, and impurity goes out from the first discharge nozzle 40 and second Expects pipe 41 is discharged, and by above-mentioned Multiple techniques scheme, effectively removes plurality of impurities.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, the technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (5)

1. a kind of coal screening and removing impurities device, it is characterised in that:Including the first screening room(1), first screening net(2), shaft (3), driving lever(4), first motor(5), feed inlet(6), the first discharge port(7), valve(8), shaft(9), second screening room (10), trepanning(11), the first platform(12), hydraulic cylinder(13), cross bar(14), supporting rod(15), idler wheel(16), second screening net (17), blast pipe(18), discharge pipe(19), motor cabinet(20), electric rotating machine(21), fan(22), atmospheric pressure pole(23), spin (24), inclined plate(25)And discharge port(26);
First screening room(1)Top left hand fix connection there are one feed inlet(6);
First screening room(1)Top dead center position on be fixedly connected there are one first motor(5);
The first motor(5)Output shaft on axis connection there are one shaft(3), the shaft(3)Positioned at the first screening room(1) Inside;
The shaft(3)End on be fixedly connected there are one driving lever(4);
First screening room(1)Bottom end on fixed connection there are one the first screening nets(2);
First screening room(1)Connection is fixed in right side outer surface lower end, and there are one the first discharge ports(7);
First discharge port(7)In set there are one valve(8);
First screening room(1)Lower surface on the right side of pass through shaft(9)It is hinged on the second screening room(10)On the right side of upper surface;
Second screening room(10)Left side upper end be fixedly connected there are one the first platform(12);
The hydraulic cylinder(13)One end be hinged on the first platform(12), the hydraulic cylinder(13)The other end be hinged on the first sieve Select room(1)Left-hand face upper end;
Second screening room(10)Top on set there are one trepanning(11);
Second screening room(10)Chamber interior in be fixedly connected with that there are one cross bars on end position(14), the cross bar(14) It is mutually parallel with horizontal plane;
The cross bar(14)Middle end position on be fixedly connected there are one supporting rod(15);
The supporting rod(15)Top on connection there are one idler wheel(16);
The idler wheel(16)There are one the second screening nets for upper flexible connection(17);
Second screening room(10)Chamber interior top both sides be fixedly connected with there are one atmospheric pressure pole(23);
The atmospheric pressure pole(23)End on hinged there are one spin(24), the spin(24)With the second screening net(17)Top End is in contact;
The inclined plate(25)It is fixedly connected on the second screening room(10)Chamber interior bottom surface on;
Second screening room(10)Right side outer surface lower end fix connection there are one discharge port(26);
Second screening room(10)Both sides respectively fixation be communicated with blast pipe(18)And discharge pipe(19);
The blast pipe(18)It is being fixedly connected there are one motor cabinet(20);
The motor cabinet(20)On be fixedly connected there are one electric rotating machine(21);
The electric rotating machine(21)Output shaft on be fixedly connected there are one fan(22).
2. a kind of coal screening and removing impurities device according to claim 1, it is characterised in that:It further include notch seat(27), it is sliding Seat(28), fixed board(29), spring(30), the second platform(31), the second motor(32), runner mounting rod(33), runner (34), connecting rod(35), belt(36), third screen room(37), coarse filtration net(38), thin filter screen(39), the first discharge nozzle (40)With the second discharge nozzle(41);
The notch seat(27)Right side be fixedly connected there are one the second platform(31);
The notch seat(27)In be slidably connected there are one slide(28);
The slide(28)Third screens room there are one being fixedly connected on top(37), third screening room(37)Positioned at discharging Mouthful(26)Lower end;
The notch seat(27)Left side upper end be fixedly connected there are one fixed board(29);
The fixed board(29)With slide(28)Between be fixedly connected with several springs(30);
The slide(28)Right side on be fixedly connected there are one connecting rod(35);
Second platform(31)On be fixedly connected with the second motor(32)With runner mounting rod(33);
The runner mounting rod(33)There are one runners for upper flexible connection(34);
The connecting rod(35)The other end be hinged on runner(34)On;
Second motor(32)Output end pass through belt(36)With runner(34)Input terminal be connected together;
The third screens room(37)Chamber interior upper end be fixedly connected with an inclined coarse filtration net(38);
The third screens room(37)Chamber interior lower end be fixedly connected with an inclined thin filter screen(39);
The third screens room(37)Right side on fixation be communicated with the first discharge nozzle(40)With the second discharge nozzle(41), described First discharge nozzle(40)With coarse filtration net(38)It is flush, second discharge nozzle(41)With thin filter screen(39)It is flush.
3. a kind of coal screening and removing impurities device according to claim 2, it is characterised in that:Second motor(32)To become Frequency motor.
4. a kind of coal screening and removing impurities device according to claim 2, it is characterised in that:The coarse filtration net(38)With it is thin Filter screen(39)It is metal filter screen.
5. a kind of coal screening and removing impurities device according to claim 1, it is characterised in that:The feed inlet(6)In loudspeaker Mouth shape.
CN201810388507.7A 2018-04-26 2018-04-26 A kind of coal screening and removing impurities device Pending CN108554812A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810388507.7A CN108554812A (en) 2018-04-26 2018-04-26 A kind of coal screening and removing impurities device

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Application Number Priority Date Filing Date Title
CN201810388507.7A CN108554812A (en) 2018-04-26 2018-04-26 A kind of coal screening and removing impurities device

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CN108554812A true CN108554812A (en) 2018-09-21

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CN109848030A (en) * 2019-01-26 2019-06-07 南通理工学院 Raw materials sieving mechanism for vibration material disk
CN110102475A (en) * 2019-05-14 2019-08-09 陈忠信 A kind of agricultural production seed screening machine
CN113000350A (en) * 2021-04-13 2021-06-22 嵊州炭鼎炭素科技有限公司 Regenerated active carbon rapid screening and impurity removing device and process thereof
CN114226252A (en) * 2021-12-17 2022-03-25 中煤科工集团南京设计研究院有限公司 Impurity removal screening device for coal mechanical equipment

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CN205146682U (en) * 2015-11-21 2016-04-13 刘春光 Fruit sieving mechanism
CN205887414U (en) * 2016-07-29 2017-01-18 北京昊华能源股份有限公司 Colliery coal washery removes sieving machine to be constructed
CN106694371A (en) * 2016-12-23 2017-05-24 哈尔滨米米米业科技有限公司 Unhulled rice screening cleaning device for rice processing
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Publication number Priority date Publication date Assignee Title
CN109848030A (en) * 2019-01-26 2019-06-07 南通理工学院 Raw materials sieving mechanism for vibration material disk
CN110102475A (en) * 2019-05-14 2019-08-09 陈忠信 A kind of agricultural production seed screening machine
CN113000350A (en) * 2021-04-13 2021-06-22 嵊州炭鼎炭素科技有限公司 Regenerated active carbon rapid screening and impurity removing device and process thereof
CN113000350B (en) * 2021-04-13 2023-09-19 嵊州炭鼎炭素科技有限公司 Regenerated activated carbon rapid screening and impurity removal device and its process
CN114226252A (en) * 2021-12-17 2022-03-25 中煤科工集团南京设计研究院有限公司 Impurity removal screening device for coal mechanical equipment

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