CN109894345B - Dustless coal screening and transporting device and process thereof - Google Patents
Dustless coal screening and transporting device and process thereof Download PDFInfo
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- CN109894345B CN109894345B CN201910229650.6A CN201910229650A CN109894345B CN 109894345 B CN109894345 B CN 109894345B CN 201910229650 A CN201910229650 A CN 201910229650A CN 109894345 B CN109894345 B CN 109894345B
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Abstract
The invention discloses a dustless coal screening and transporting device and a process thereof, and the device comprises a bottom plate, a conveyor belt, a second screening device, an electric dust removal device and a first screening device, wherein fixed support legs are respectively installed at four corners of the bottom end of the bottom plate, a protective door is arranged at one end of a protective shell, fixed baffles are vertically installed at two ends of the inner part of the protective shell, which are close to the central axis of the bottom plate, the second screening device is transversely and uniformly installed at the middle position of one side of the fixed baffle, which is close to the central axis of the bottom plate, the second screening device and the first screening device are connected with the fixed baffles through nuts to form a detachable part, and a motor supporting seat is installed at one side of the bottom end of the inner part of the protective shell, which is far away from one end of a PLC (programmable logic controller). By installing the feeding port and the discharging port, the coal can be better positioned in a relatively closed space when in use, so that the dust removal is more thorough, and the phenomenon of secondary dust contamination is not easy to occur after the dust removal is finished.
Description
Technical Field
The invention relates to the technical field of coal conveying equipment, in particular to a dustless coal screening and transporting device and a process thereof.
Background
The coal conveying equipment is mainly a conveying device used in the coal mining, production, transportation and processing processes, the coal conveying equipment is mainly used for conveying coal to a set place and simultaneously processing and loading the coal and other equipment, products produced in coal mines and products sold by various dealers can bring great economy and equipment loss to users without screening, and at present, no device for realizing dust-free unloading, screening, storage and loading of the products pulled back from the coal mines exists.
Coal material discharge apparatus can be because of there is certain gap sometimes between supplementary stripper and the dummy car in the middle of the process of unloading among the current equipment to lead to the in-process of unloading to make the coal material drop from the gap, and too close to that the car leans on can lead to supplementary stripper can't play the effect. When filling vehicles are used in the coal industry at present, coal materials are easy to generate due to different heights of the vehicles and cannot be accurately poured into the vehicles, so that the coal materials are greatly overflowed to cause certain pollution to the environment.
Disclosure of Invention
The invention aims to provide a dustless coal screening and transporting device and a process thereof, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a dustless coal screening conveyer, includes bottom plate, conveyer belt, second sieving mechanism, electrostatic precipitator and first sieving mechanism, its characterized in that: the four corners of the bottom end of the bottom plate are respectively provided with a fixed supporting leg, the central position of the top end of each fixed supporting leg is provided with a protective shell, one end of each protective shell is provided with a protective door, the middle position of the outer side of each protective door is provided with a PLC (programmable logic controller), the two ends of the inner part of each protective shell, which are close to the central axis of the bottom plate, are respectively vertically provided with a fixed baffle, the bottom end of each fixed baffle, which is close to one side of the central axis of the bottom plate, is respectively vertically provided with a support frame, the middle position of each fixed baffle, which is close to one side of the central axis of the bottom plate, is transversely and uniformly provided with a second screening device, the top ends of the fixed baffles, which are close to one sides of the central axes of the bottom plate, are respectively and transversely and uniformly provided with a first screening device, the second screening device and the first screening device are connected with the fixed baffles through nuts to form a detachable part, one side of the bottom end, which is far away from the PLC, in the protective shell is provided with a motor supporting seat, and a driving motor is installed at the top end of the motor supporting seat, a transmission shaft is transversely installed at the output end of the driving motor, a driving wheel is transversely installed on one side of the transmission shaft, which is far away from the driving motor, and penetrates through the inside of the fixed baffle plate, auxiliary wheels are transversely and uniformly installed between the top ends of the supporting frames, which are close to one side of the central axis of the bottom plate, and a conveying belt is installed on the outer sides of the auxiliary wheels and the driving wheel, groove bodies are uniformly arranged on the outer sides of the conveying belt, transmission chains are respectively installed on one sides, which are close to the driving motor, of a second screening device and a first screening device on the outer sides of the fixed baffle plate, a dust suction pipeline is transversely installed at the top end of the inside of the protective shell, a dust blowing fan is installed on one side, which is close to the feeding port, of the dust suction pipeline, a fan is installed on one side, which is close to the first screening device, at the bottom end of the dust suction pipeline, and dust absorption pipeline inside bottom is close to one side of going out the fan and installs electric dust collector, intermediate position department between electric dust collector and the air-out fan is provided with the dust and collects the box, driving motor one side is kept away from to protective housing is close to the position department of first sieving mechanism and installs the pan feeding mouth, and the discharge gate is all installed in protective housing's of first sieving mechanism, second sieving mechanism, action wheel below the outside.
Furthermore, a screening device transmission chain and a transmission gear are sequentially installed on the first screening device from inside to outside, and the transmission gear is installed on the outer side of the screening device transmission chain.
Further, the clearance of the first screening device is larger than the clearance of the second screening device.
Furthermore, the outer side of the conveyor belt is uniformly provided with a groove body.
Furthermore, a dust collecting box is arranged at the middle position between the electric dust removing device and the air outlet fan.
Furthermore, the second screening device and the first screening device are connected with the fixed baffle through nuts to form a detachable part.
A dustless coal screening and transporting process comprises the following steps:
1) when the coal feeding device is used, a power supply is externally connected to the PLC, and coal is poured into the machine through the feeding port;
2) then the PLC controller controls the driving motor to operate, the driving motor drives the transmission shaft to rotate, the transmission shaft starts to rotate to drive the transmission chain and the driving wheel to rotate, and the second screening device and the first screening device rotate;
3) the coal is conveyed on the first screening device, and meanwhile, the coal smaller than the gap between the first screening devices falls onto the second screening device, and meanwhile, the coal smaller than the gap between the second screening devices falls onto the conveying belt for conveying;
4) meanwhile, a dust suction fan in the beginning of the dust suction pipeline rotates to start rotating, dust generated when coal is poured is sucked, and then the sucked dust is blown into the electric dust removal device by a dust blowing fan;
5) and finally, performing electric precipitation by an electric precipitation device, and discharging the air subjected to dust removal by an air outlet fan.
Compared with the prior art, the invention has the beneficial effects that: through installing dust absorption fan, blow the dirt fan, electrostatic precipitator, go out fan and dust absorption pipeline, inhale the dust absorption pipeline inside with the dust through dust absorption fan when using, blow in it again and remove dust in the middle of the electrostatic precipitator by blowing the dirt fan, still install the dust simultaneously and collect the box, make it can be more convenient collect the dust and pour out, the device is through installing second sieving mechanism and first sieving mechanism simultaneously, can filter coal according to the size of self when using, artificial being suitable for has been reduced simultaneously, the transportation of coal has been accelerated greatly, the device is through installing pan feeding mouth and discharge gate simultaneously, can be better when using be in the middle of a comparatively confined space with coal, it is more thorough to be its dust removal, be difficult for appearing the phenomenon that the secondary is infected with the dust after the dust removal finishes.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic side sectional view of the present invention;
FIG. 4 is a schematic structural diagram of a screening apparatus according to the present invention;
in the figure: 1. a fixed leg; 2. a base plate; 3. a protective housing; 4. a driving wheel; 5. a conveyor belt; 6. a second screening device; 7. a feeding port; 8. a dust collection fan; 9. a dust blowing fan; 10. an electric dust removal device; 11. a fan outlet; 12. a dust collection duct; 13. a first screening device; 1301. a transmission gear; 1302. a screening device drive chain; 14. a discharge port; 15. an auxiliary wheel; 16. a support frame; 17. a PLC controller; 18. a protective door; 19. fixing a baffle plate; 20. a drive chain; 21. a drive shaft; 22. a drive motor; 23. motor supporting seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention is shown: the utility model provides a dustless coal screening conveyer, includes bottom plate 2, conveyer belt 5, second sieving mechanism 6, electrostatic precipitator 10 and first sieving mechanism 13, its characterized in that: four corners of the bottom end of the bottom plate 2 are respectively provided with a fixed supporting leg 1, a protective shell 3 is arranged at the central position of the top end of the fixed supporting leg 1, one end of the protective shell 3 is provided with a protective door 18, a PLC (programmable logic controller) 17 is arranged at the middle position of the outer side of the protective door 18, the model of the PLC 17 is FR-FX1N, two ends of the inner part of the protective shell 3 close to the central axis of the bottom plate 2 are respectively and vertically provided with a fixed baffle 19, the bottom end of the fixed baffle 19 close to one side of the central axis of the bottom plate 2 is respectively and vertically provided with a supporting frame 16, a second screening device 6 is transversely and uniformly arranged at the middle position of the fixed baffle 19 close to one side of the central axis of the bottom plate 2, the gap of the first screening device 13 is larger than that of the second screening device 6, a first screening device 13 is transversely and uniformly arranged between the top ends of the fixed baffle 19 close to one side of the central axis of the bottom plate 2, a screening device transmission chain 1302 and a transmission gear 1301 are sequentially arranged on the first screening device 13 from inside to outside, a transmission gear 1301 is arranged on the outer side of a transmission chain 1302 of the screening device, a motor supporting seat 23 is arranged on one side of the bottom end in the protective shell 3, which is far away from one end of a PLC 17, a driving motor 22 is arranged on the top end of the motor supporting seat 23, the type of the driving motor 22 is POWSM-T-M2, a transmission shaft 21 is transversely arranged on the output end of the driving motor 22, a driving wheel 4 is transversely arranged on one side of the transmission shaft 21, which is far away from the driving motor 22, and penetrates through the inner part of the fixed baffle plate 19, auxiliary wheels 15 are transversely and uniformly arranged between the top ends of the supporting frames 16, which are close to one side of the central axis of the bottom plate 2, a conveyor belt 5 is arranged on the outer sides of the auxiliary wheels 15 and the driving wheel 4, transmission chains 20 are arranged on one sides of a second screening device 6 and a first screening device 13, which are close to the driving motor 22, and a dust suction pipeline 12 is transversely arranged on the top end in the protective shell 3, dust absorption pipeline 12 is close to one side of pan feeding mouth 7 and is installed dust blowing fan 9, and dust absorption pipeline 12's opposite side installs out fan 11, dust absorption fan 8 is all installed to one side that dust absorption pipeline 12 bottom is close to first sieving mechanism 13, and the inside bottom of dust absorption pipeline 12 is close to one side of out fan 11 and installs electric dust collector 10, protective housing 3 keeps away from position department that driving motor 22 one side is close to first sieving mechanism 13 and installs pan feeding mouth 7, and first sieving mechanism 13, second sieving mechanism 6, discharge gate 14 is all installed in the protective housing 3's of action wheel 4 below the outside.
A dustless coal screening and transporting process comprises the following steps:
1) when in use, the coal feeder is externally connected with a power supply to the PLC 17, and simultaneously, coal is poured into the coal feeder through the feeding port 7;
2) then the PLC controller 17 controls the driving motor 22 to operate, the driving motor 22 drives the transmission shaft 21 to rotate, meanwhile, the transmission shaft 21 starts to rotate to drive the transmission chain 20 and the driving wheel 4 to rotate, and the second screening device 6 and the first screening device 13 rotate;
3) coal is conveyed on the first screening device 13, and simultaneously, the coal smaller than the clearance between the first screening devices 13 falls onto the second screening device 6, and simultaneously, the coal smaller than the clearance between the second screening devices 6 falls onto the conveyor belt 5 for conveying;
4) meanwhile, the dust suction fan 8 in the beginning of the dust suction pipeline 12 rotates to start rotating, dust generated when coal is poured is sucked, and then the dust sucked is blown into the electric dust removal device 10 by the dust blowing fan 9;
5) finally, the electric dust collector 10 removes electric dust, and the air fan 11 discharges the air after dust removal.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a dustless coal screening conveyer, includes bottom plate (2), conveyer belt (5), second sieving mechanism (6), electrostatic precipitator (10) and first sieving mechanism (13), its characterized in that: the bottom plate screening device is characterized in that fixed support legs (1) are installed at four corners of the bottom end of the bottom plate (2), a protective shell (3) is installed at the central position of the top end of each fixed support leg (1), a protective door (18) is arranged at one end of each protective shell (3), a PLC (programmable logic controller) (17) is installed at the middle position of the outer side of each protective door (18), fixing baffles (19) are vertically installed at two ends of the inner portion of each protective shell (3) close to the central axis of the bottom plate (2), supporting frames (16) are vertically installed at the bottoms of the fixing baffles (19) close to one side of the central axis of the bottom plate (2), second screening devices (6) are horizontally and evenly installed at the middle positions of the fixing baffles (19) close to one side of the central axis of the bottom plate (2), and first screening devices (13) are horizontally and evenly installed between the tops of the fixing baffles (19) close to one side of the central axis of the bottom plate (2), one side of one end of the PLC controller (17) is kept away from to the inside bottom of the protective housing (3) is provided with a motor supporting seat (23), the top end of the motor supporting seat (23) is provided with a driving motor (22), the output end of the driving motor (22) is transversely provided with a transmission shaft (21), one side of the transmission shaft (21) far away from the driving motor (22) is transversely provided with a driving wheel (4), the driving wheel (4) penetrates through the inside of a fixed baffle (19), an auxiliary wheel (15) is transversely and uniformly arranged between the tops of the supporting frame (16) close to one side of the central axis of the bottom plate (2), the outer sides of the auxiliary wheel (15) and the driving wheel (4) are provided with a conveyor belt (5), one side of the second screening device (6) and one side of the first screening device (13) close to the driving motor (22) are provided with a transmission chain (20), a dust suction pipeline (12) is transversely installed at the top end inside the protective shell (3), a dust blowing fan (9) is installed on one side, close to the feeding port (7), of the dust suction pipeline (12), a fan (11) is installed on the other side of the dust suction pipeline (12), dust suction fans (8) are installed on one sides, close to the first screening device (13), of the bottom end inside the dust suction pipeline (12), an electric dust removal device (10) is installed on one side, close to the fan (11), of the bottom end inside the dust suction pipeline (12), a feeding port (7) is installed at a position, close to the first screening device (13), of one side, far away from the driving motor (22), of the protective shell (3), and discharge ports (14) are installed on the outer sides of the protective shell (3) below the first screening device (13), the second screening device (6) and the driving wheel (4); the screening device transmission chain (1302) and the transmission gear (1301) are sequentially installed on the first screening device (13) from inside to outside, and the transmission gear (1301) is installed on the outer side of the screening device transmission chain (1302).
2. The dustless coal screening conveyor of claim 1, wherein: the clearance of the first screening device (13) is larger than the clearance of the second screening device (6).
3. The dustless coal screening conveyor of claim 1, wherein: the outer side of the conveyor belt (5) is uniformly provided with a groove body.
4. The dustless coal screening conveyor of claim 1, wherein: and a dust collecting box is arranged at the middle position between the electric dust removing device (10) and the air outlet fan (11).
5. The dustless coal screening conveyor of claim 1, wherein: the second screening device (6) and the first screening device (13) are connected with the fixed baffle (19) through nuts to form a detachable part.
6. The transportation process using the dustless coal screening transportation device of claim 1, is characterized in that: the method comprises the following steps:
1) when in use, the coal feeder is externally connected with a power supply to the PLC (17), and simultaneously, coal is poured into the machine through the feeding port (7);
2) then a PLC (programmable logic controller) controller (17) controls a driving motor (22) to operate, the driving motor (22) drives a transmission shaft (21) to rotate, meanwhile, the transmission shaft (21) starts to rotate to drive a transmission chain (20) and a driving wheel (4) to rotate, and a second screening device (6) and a first screening device (13) rotate;
3) the coal is conveyed on the first screening device (13), and falls onto the second screening device (6) for the coal smaller than the gap between the first screening device (13), and falls onto the conveyor belt (5) for conveying when the coal is smaller than the gap between the second screening device (6);
4) meanwhile, a dust suction fan (8) in the dust suction pipeline (12) starts to rotate, dust generated when coal is poured is sucked, and the sucked dust is blown into the electric dust removal device (10) by a dust blowing fan (9);
5) finally, electric dust removal is carried out by the electric dust removal device (10), and air after dust removal is discharged by the air outlet fan (11).
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| CN201910229650.6A CN109894345B (en) | 2019-03-25 | 2019-03-25 | Dustless coal screening and transporting device and process thereof |
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| CN201910229650.6A CN109894345B (en) | 2019-03-25 | 2019-03-25 | Dustless coal screening and transporting device and process thereof |
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| CN109894345B true CN109894345B (en) | 2021-08-27 |
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| CN110452751A (en) * | 2019-09-11 | 2019-11-15 | 兖矿集团有限公司 | Moulded coal transport device and molded coal production facility with the device |
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| CN107971221A (en) * | 2017-11-27 | 2018-05-01 | 华北理工大学 | Fluidization solid matter piece-rate system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4240902A (en) * | 1978-11-16 | 1980-12-23 | Agee John H | Apparatus for removing foreign matter from cotton |
| CN102310042A (en) * | 2011-09-05 | 2012-01-11 | 沈阳北方重矿机械有限公司 | Double-layer raw coal roller screen |
| CN103111412A (en) * | 2013-01-17 | 2013-05-22 | 中国农业机械化科学研究院 | Tuber type material length grading machine |
| CN203711306U (en) * | 2014-01-15 | 2014-07-16 | 济南大学 | Garlic screening machine |
| CN105149072A (en) * | 2015-09-22 | 2015-12-16 | 成都万基电力设备制造有限公司 | Integrated intelligent treatment system for sieving and crushing coal raw materials applied to power stations and implementation method thereof |
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