CN111422647A

CN111422647A - Raw coal belt conveyor with dust suppression mechanism for coal mining

Info

Publication number: CN111422647A
Application number: CN202010203209.3A
Authority: CN
Inventors: 杨东林
Original assignee: Individual
Current assignee: Datong Keda Coal Machinery Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-07-17
Anticipated expiration: 2040-03-20
Also published as: CN111422647B

Abstract

The invention discloses a raw coal belt conveyor with a dust suppression mechanism for coal mining, which comprises a conveyor belt, a motor, a suction fan, a water inlet and an air nozzle, wherein a support plate is arranged at the side of the conveyor belt, an output shaft of the motor is connected with a connecting shaft through a belt pulley mechanism, the end of the connecting shaft is connected with a suction box through a connecting pipe, the suction fan is connected with a water storage tank through a fixed pipe, the water inlet is fixed at one end of a protective cover, dust filtration cotton is adhered inside the water storage tank, a side baffle is arranged on the side surface of the conveyor belt, the top of the water storage tank is connected with one end of an air outlet pipe, and a scraper plate is movably arranged below the conveyor belt. This coal mining with press down dirt mechanism adopts raw coal belt conveyor, realizes that the dust that produces when the raw coal transmission of bigger area is handled through the synchronous operation of spraying and dust absorption to can avoid containing a large amount of moisture in the raw coal of carrying out, so that the continuous operation of conveyer.

Description

Raw coal belt conveyor with dust suppression mechanism for coal mining

Technical Field

The invention relates to the technical field of coal mining, in particular to a raw coal belt conveyor with a dust suppression mechanism for coal mining.

Background

Raw coal, the reference is through underground mining, does not carry out the coal mine stone of other purification decomposition operations, is carrying out the transportation in-process, generally need use corresponding conveying mechanism, and the belt conveyor that is comparatively common in this field utilizes equipment such as motor as the power supply, drives end to end connection's conveyer belt and operates according to the specified direction, realizes the convenient transfer of coal ore, but current belt conveyor still has following problem when in-service use:

1. during the process of conveying coal ores, a large amount of coal dust is easily generated due to the transfer of a placing place, the raised dust cannot be efficiently treated by the conventional belt conveyor, and the dust cannot be efficiently recycled even by the conveyor with a corresponding dust removal function due to the fact that a large amount of coal dust particles are carried in the dust;

2. and dust suppression is realized to the mode that adopts the spraying traditionally, owing to be reasonable inadequately to the spray volume control, lead to the raw coal surface after carrying out to remain a large amount of moisture, this weight that has just increased the transportation has simultaneously had a large amount of tiny coal cinder to pass through the moisture adhesion on the conveyer belt, influences subsequent continuous transport.

In order to solve the problems, innovative design is urgently needed on the basis of the original belt conveyor.

Disclosure of Invention

The invention aims to provide a raw coal belt conveyor provided with a dust suppression mechanism for coal mining, which aims to solve the problems that the dust cannot be efficiently recovered due to the fact that a large amount of pulverized coal particles are carried in the dust and a large amount of moisture remains on the surface of the raw coal after the raw coal is conveyed out due to the fact that the amount of spraying is not reasonable enough, so that the transportation weight is increased, and a large amount of fine coal blocks are adhered to the conveyor belt through the moisture.

In order to achieve the purpose, the invention provides the following technical scheme: a raw coal belt conveyor is adopted in coal mining with dust suppression mechanism, includes conveyer belt, motor, inhales material fan, water inlet and jet head, the avris of conveyer belt is provided with the backup pad, and the avris bolt of backup pad installs the motor, and the top welding of backup pad has the hopper, the output shaft of motor passes through the pulley mechanism and links to each other with the connecting axle, and the avris fixed mounting of connecting axle has the push pedal, the end department of connecting axle links to each other with inhaling the material box through the connecting pipe, and the avris fixed mounting who inhales the material box inhales the material fan, it links to each other with the storage water tank through the fixed tube to inhale the material fan, and the top of storage water tank is fixed with the protection casing, and the top activity of protection casing runs through has a movable section of thick bamboo, the water inlet is fixed in the one end of protection casing, and the other, and the bottom of storage water tank links to each other through outlet pipe and side shield, the side shield sets up the side at the conveyer belt, and the inboard of side shield installs the atomising head, the top of storage water tank and the one end of outlet duct link to each other, and the other end of outlet duct installs the jet-propelled head, the below activity of conveyer belt is provided with the scraper blade, and the scraper blade passes through the loose axle and the backup pad links to each other to the outside winding of loose axle has the spring.

Preferably, a connecting plate is fixed at the end of the push plate, a feeding hole is reserved on the surface of the push plate, and a separation net is fixed on the inner side of the feeding hole.

Preferably, the push plate and the connecting plate are distributed on the connecting shaft at equal angles, the cross section of the connecting plate is of an arc structure, the feeding holes are uniformly distributed in the push plate, and the feeding holes are communicated with the connecting shaft through the push plate.

Preferably, the two ends of the connecting pipe are respectively communicated with the connecting shaft and the material suction box, the connecting pipe and the connecting shaft are connected through a bearing, and the width of the material suction box is equal to the width of the push plate.

Preferably, the side of the movable cylinder is fixed with a paddle, the bottom edge side of the movable cylinder is provided with a transverse pipe, the bottom of the transverse pipe is reserved with a water inlet, and the water inlet and the solution in the water storage tank are at the same height.

Preferably, the top of the movable cylinder is movably sleeved with a lantern ring, the movable cylinder is rotatably connected with the conveying pipe, and two ends of the conveying pipe are respectively communicated with the water storage tank and the protective cover.

Preferably, the bottom of the conveying pipe extends to the lower part of the dust filter cotton, and the cross section of the dust filter cotton is in an L-shaped structure.

Preferably, the spray heads are arranged on the side baffle at equal intervals, and the inclination angle of the side baffle is the same as that of the conveying belt.

Preferably, the scraper blade forms a rotating structure through a movable shaft and a support plate, and the top of the scraper blade is attached to the surface of the conveying belt.

Compared with the prior art, the invention has the beneficial effects that: the coal mining with the dust suppression mechanism adopts the raw coal belt conveyor, realizes the treatment of dust generated during the raw coal transmission in a larger area through the synchronous operation of spraying and dust absorption, and can avoid the raw coal conveyed out from containing a large amount of moisture so as to facilitate the continuous operation of the conveyor;

1. the dust generated by the impact of raw coal poured into the hopper can be absorbed by the operation of the material suction fan, the rotation of the connecting shaft is driven when the raw coal is conveyed by the conveying belt, the dust mixed in the raw coal falling above the push plate is sucked into the push plate through the feeding hole, the dust is further absorbed to a greater extent, and the dust suppression operation of raw coal transportation is further realized by adding water mist which is conveyed to the spraying head by the water storage tank and is sprayed out, so that the construction environment is not polluted by the dust;

2. fixed pipe can produce wind-force after with dust transport in the storage water tank, and wind-force can get into the outlet duct and follow the jet-propelled head blowout, has simple drying effect to moist raw coal, avoids its surperficial remaining moisture too much, can contact with the scraper blade always when the continuous transport of conveyer belt, can clear up the tiny raw coal of conveyer belt surface adhesion through the scraper blade to carry and continuously go on.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is a front view of the push plate according to the present invention;

FIG. 4 is a schematic side sectional view of the push plate of the present invention;

FIG. 5 is a schematic side sectional view of the water storage tank of the present invention;

FIG. 6 is a schematic cross-sectional view taken at A in FIG. 5 according to the present invention;

fig. 7 is a front view of the scraper of the invention.

In the figure: 1. a conveyor belt; 2. a support plate; 3. an electric motor; 4. a belt pulley mechanism; 5. a connecting shaft; 6. a hopper; 7. pushing the plate; 71. a connecting plate; 72. a feed port; 73. separating the net; 8. a connecting pipe; 9. a suction box; 10. a material suction fan; 11. a fixed tube; 12. a water storage tank; 13. a protective cover; 14. a movable barrel; 141. a paddle; 142. a transverse tube; 143. a water inlet hole; 144. a collar; 15. a water inlet; 16. a transfer tube; 17. dust filtration cotton; 18. a water outlet pipe; 19. a side dam; 20. a spray head; 21. an air outlet pipe; 22. a gas showerhead; 23. a squeegee; 24. a movable shaft; 25. a spring.

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. 1-7, the present invention provides a technical solution: a raw coal belt conveyor provided with a dust suppression mechanism for coal mining comprises a conveying belt 1, a supporting plate 2, a motor 3, a belt pulley mechanism 4, a connecting shaft 5, a hopper 6, a push plate 7, a connecting plate 71, a feeding hole 72, a separation net 73, a connecting pipe 8, a material suction box 9, a material suction fan 10, a fixed pipe 11, a water storage tank 12, a protective cover 13, a movable cylinder 14, a paddle 141, a transverse pipe 142, a water inlet hole 143, a lantern ring 144, a water inlet 15, a conveying pipe 16, dust-filtering cotton 17, a water outlet pipe 18, a side baffle plate 19, a spray head 20, an air outlet pipe 21, a spray head 22, a scraper 23, a movable shaft 24 and a spring 25, wherein the supporting plate 2 is arranged on the side of the conveying belt 1, the motor 3 is mounted on the side of the supporting plate 2 through bolts, the hopper 6 is welded on the top of the connecting shaft of the supporting plate 2, an output shaft, the end of the connecting shaft 5 is connected with a material suction box 9 through a connecting pipe 8, the side of the material suction box 9 is fixedly provided with a material suction fan 10, the material suction fan 10 is connected with a water storage tank 12 through a fixed pipe 11, the top of the water storage tank 12 is fixedly provided with a protective cover 13, the top of the protective cover 13 is movably penetrated with a movable cylinder 14, a water inlet 15 is fixed at one end of the protective cover 13, the other end of the protective cover 13 is connected with the movable cylinder 14 through a conveying pipe 16, the inside of the water storage tank 12 is adhered with dust-filtering cotton 17, the bottom of the water storage tank 12 is connected with a side baffle plate 19 through a water outlet pipe 18, the side baffle plate 19 is arranged on the side surface of the conveying belt 1, the inner side of the side baffle plate 19 is provided with an atomizing head 20, the top of the water storage tank 12 is connected with one end of an air outlet pipe 21, the other end of the air outlet pipe 21, and a spring 25 is wound on the outer side of the movable shaft 24;

the end of the push plate 7 is fixed with a connecting plate 71, the surface of the push plate 7 is reserved with a feeding hole 72, the inner side of the feeding hole 72 is fixed with a separation net 73, the push plate 7 and the connecting plate 71 are both distributed on the connecting shaft 5 at equal angles, the cross section of the connecting plate 71 is of an arc structure, the feeding hole 72 is uniformly distributed on the push plate 7, meanwhile, the feeding hole 72 is communicated with the connecting shaft 5 through the push plate 7, two ends of the connecting pipe 8 are respectively communicated with the connecting shaft 5 and the material suction box 9, the connecting pipe 8 and the connecting shaft 5 are connected through a bearing, the width of the material suction box 9 is equal to the width of the distribution of the push plate 7, a large amount of dust generated in the hopper 6 can be absorbed through the material suction box 9, the dust mixed in the raw coal falling on the push plate 7 can be sucked into the push plate 7 through the feeding hole 72 and then enters the material suction box 9 through the connecting shaft 5 and the connecting, the phenomenon that a large amount of accumulation affects the conveying is avoided;

the side of the movable cylinder 14 is fixed with a blade 141, the bottom side of the movable cylinder 14 is provided with a transverse pipe 142, the bottom of the transverse pipe 142 is reserved with a water inlet 143, the water inlet 143 and the solution in the water storage tank 12 are at the same height, the top of the movable cylinder 14 is movably sleeved with a lantern ring 144, the movable cylinder 14 is rotatably connected with the conveying pipe 16, two ends of the conveying pipe 16 are respectively communicated with the water storage tank 12 and the protective cover 13, the bottom of the conveying pipe 16 extends to the lower part of the dust filtering cotton 17, the cross section of the dust filtering cotton 17 is in an L-shaped structure, the atomizing heads 20 are arranged on the side baffle plate 19 at equal intervals, the inclination angle of the side baffle plate 19 is the same as that of the conveying belt 1, the water flow impact blade 141 can drive the movable cylinder 14 to rotate to drive the transverse pipe 142 to rotate, the solution with floating on the surface dust can be sucked into the transverse pipe 142 from the water inlet 15 and then discharged, the water in the lower half part of the water storage tank 12 enters the side baffle plate 19 through the water outlet pipe 18;

scraper blade 23 passes through loose axle 24 and backup pad 2 constitution revolution mechanic, and the top of scraper blade 23 and the surface of conveyer belt 1 laminate mutually, and conveyer belt 1 can always contact with scraper blade 23 in the in-process of conveying, can strike off the tiny raw coal and the moisture of conveyer belt 1 surface adhesion through scraper blade 23.

The working principle is as follows: when the raw coal belt conveyor provided with the dust suppression mechanism is used for coal mining, as shown in figures 1-4, raw coal at a mining part is firstly poured into a hopper 6, then a motor 3 drives a conveying belt 1 to convey the raw coal through an output shaft of the motor, the output shaft of the motor 3 drives a connecting shaft 5 to rotate through a belt pulley mechanism 4 when rotating, as shown in figure 2, a push plate 7 and a connecting plate 71 can be driven to synchronously rotate, a large amount of dust generated in the poured hopper 6 can be absorbed through a material absorption box 9 through the operation of a material absorption fan 10, the generated suction force enters the connecting shaft 5 through a connecting pipe 8, as shown in figure 4, the dust mixed in the raw coal falling on the push plate 7 can be absorbed into the push plate 7 through a feeding hole 72 and then enters the material absorption box 9 through the connecting shaft 5 and the connecting pipe 8, and the raw coal at the bottom can be shoveled through the rotation of the push plate 7 and the, the phenomenon that a large amount of accumulation affects conveying is avoided, as shown in fig. 3, the distribution form of the push plate 7 can comprehensively remove dust in raw coal, and the resistance of the push plate during rotation can also be reduced;

as shown in fig. 2 and 5-7, absorbed dust enters the water storage tank 12 through the fixed pipe 11, as shown in fig. 5-6, dust can be adhered in the water solution, after clear water is introduced from the water inlet 15, the water flow impact paddle 141 can drive the movable cylinder 14 to rotate, then water flow enters the conveying pipe 16 through the protective cover 13, then enters the lower half part of the water storage tank 12, the movable cylinder 14 drives the horizontal pipe 142 to rotate, an external water pumping structure is connected with the lantern ring 144, the solution with dust floating on the surface can be pumped into the horizontal pipe 142 from the water inlet 15, then the solution is discharged through a gap between the movable cylinder 14 and the conveying pipe 16, then water in the lower half part of the water storage tank 12 enters the side baffle plate 19 through the water outlet pipe 18, and is sprayed out through the spray heads 20 distributed at equal intervals to suppress dust generated by raw coal during conveying, and the dust filtering cotton 17 can prevent the dust from entering the water storage tank 12 outside the water storage, can produce wind-force after fixed pipe 11 carries the dust into storage water tank 12 in, wind-force gets into behind the outlet duct 21, can carry out the dry purpose to moist raw coal through the jet head 22 blowout realization, can avoid its remaining moisture on surface too much like this, conveniently carry the transportation after going out, conveyer belt 1 can always contact with scraper blade 23 at the in-process of conveying, as shown in fig. 7, can strike off the tiny raw coal and the moisture of conveyer belt 1 surface adhesion through scraper blade 23, can rotate when scraper blade 23 receives thrust through the setting of spring 25, and then guarantee the normal clear of follow-up raw coal transport.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a coal mining adopts raw coal belt conveyor with press down dirt mechanism, includes conveyer belt (1), motor (3), auto sucking fan (10), water inlet (15) and jet head (22), its characterized in that: the avris of conveyer belt (1) is provided with backup pad (2), and the avris bolt of backup pad (2) installs motor (3) to the top welding of backup pad (2) has hopper (6), the output shaft of motor (3) passes through belt pulley mechanism (4) and connecting axle (5) and links to each other, and the avris fixed mounting of connecting axle (5) has push pedal (7), the end department of connecting axle (5) links to each other with inhaling magazine (9) through connecting pipe (8), and the avris fixed mounting who inhales magazine (9) has inhales material fan (10), inhale material fan (10) and link to each other with storage water tank (12) through fixed pipe (11), and the top of storage water tank (12) is fixed with protection casing (13) to the top activity of protection casing (13) has run through movable section of thick bamboo (14), water inlet (15) are fixed in the one end of protection casing (13), and the other end of protection casing (13) passes through conveying pipe (16) and links to each other with movable cylinder (14), the inside of storage water tank (12) is pasted and is had dust filtration cotton (17), and the bottom of storage water tank (12) passes through outlet pipe (18) and side shield (19) link to each other, side shield (19) set up the side at conveyer belt (1), and side shield (19) inboard installs atomising head (20), the top of storage water tank (12) and the one end of outlet duct (21) link to each other, and the other end of outlet duct (21) installs jet head (22), the below activity of conveyer belt (1) is provided with scraper blade (23), and scraper blade (23) link to each other through loose axle (24) and backup pad (2) to the outside winding of loose axle (24) has spring (25).

2. A coal mining raw coal belt conveyor provided with a dust suppression mechanism according to claim 1, characterized in that: the end of the push plate (7) is fixed with a connecting plate (71), a feeding hole (72) is reserved on the surface of the push plate (7), and a separation net (73) is fixed on the inner side of the feeding hole (72).

3. A coal mining raw coal belt conveyor provided with a dust suppression mechanism according to claim 2, characterized in that: push pedal (7) and connecting plate (71) all equal angular distribution on connecting axle (5), and the cross-section of connecting plate (71) is the arc structure to feed port (72) evenly distributed on push pedal (7), and feed port (72) are linked together through push pedal (7) and connecting axle (5) simultaneously.

4. A coal mining raw coal belt conveyor provided with a dust suppression mechanism according to claim 1, characterized in that: the two ends of the connecting pipe (8) are respectively communicated with the connecting shaft (5) and the material suction box (9), the connecting pipe (8) is connected with the connecting shaft (5) through a bearing, and the width of the material suction box (9) is equal to the width of the push plate (7) in distribution.

5. A coal mining raw coal belt conveyor provided with a dust suppression mechanism according to claim 1, characterized in that: the side of the movable cylinder (14) is fixed with a paddle (141), the side of the bottom of the movable cylinder (14) is provided with a transverse pipe (142), a water inlet hole (143) is reserved at the bottom of the transverse pipe (142), and meanwhile, the water inlet hole (143) and the solution in the water storage tank (12) are at the same height.

6. A coal mining raw coal belt conveyor provided with a dust suppression mechanism according to claim 5, characterized in that: the top activity cover of activity section of thick bamboo (14) is equipped with lantern ring (144), and activity section of thick bamboo (14) and conveying pipe (16) are for rotating the connection to the both ends of conveying pipe (16) are linked together with storage water tank (12) and protection casing (13) respectively.

7. A raw coal belt conveyor for coal mining with a dust suppression mechanism according to claim 1, characterized in that the bottom of the conveying pipe (16) extends to the lower part of the dust filter cotton (17), and the cross section of the dust filter cotton (17) is of an L-shaped structure.

8. A coal mining raw coal belt conveyor provided with a dust suppression mechanism according to claim 1, characterized in that: the spraying heads (20) are arranged on the side baffle plates (19) at equal intervals, and the inclination angles of the side baffle plates (19) are the same as those of the conveying belt (1).

9. A coal mining raw coal belt conveyor provided with a dust suppression mechanism according to claim 1, characterized in that: the scraper (23) forms a rotating structure with the support plate (2) through the movable shaft (24), and the top of the scraper (23) is attached to the surface of the conveyor belt (1).