CN114834855A

CN114834855A - Intelligent cleaning mechanism of belt conveyor for conveying coal in power plant

Info

Publication number: CN114834855A
Application number: CN202210140301.9A
Authority: CN
Inventors: 敦志勃; 张志伟; 赵晓波; 田广涛; 夏松华; 马自逵
Original assignee: Yakeshi Thermal Power Plant Of Hulunbuir Antai Thermal Power Co ltd
Current assignee: Yakeshi Thermal Power Plant Of Hulunbuir Antai Thermal Power Co ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-08-02

Abstract

The invention discloses an intelligent cleaning mechanism for a belt conveyor for conveying coal in a power plant, which relates to the field of belt conveyor cleaning, and comprises a frame body and a belt, wherein the belt is in transmission connection with the frame body; according to the invention, through the arrangement of the collection bin, the sliding plate and the sliding groove, the coal can be prevented from flying around in the cleaning process in the use process of the device, the dust fall and the environment protection effect are firstly achieved, the coal adhered to the belt can be collected, the waste of resources is reduced, and the spring telescopic rod and the discharging plate can be linked according to the weight of the coal in the collection bin, so that the collection bin also has the function of automatic discharging.

Description

Intelligent cleaning mechanism of belt conveyor for conveying coal in power plant

Technical Field

The invention relates to the field of belt conveyor cleaning, in particular to an intelligent cleaning mechanism for a belt conveyor for coal conveying in a power plant.

Background

A thermal power plant is a plant that produces electric energy using combustible materials as fuel; the basic production process is as follows: when the coal material is combusted, water is heated to generate steam, chemical energy of the fuel is converted into heat energy, the steam pressure pushes a steam turbine to rotate, the heat energy is converted into mechanical energy, and then the steam turbine drives a generator to rotate, so that the mechanical energy is converted into electric energy.

The coal consumption of some large-scale thermal power stations is remarkable every day, and the large-scale thermal power stations are usually conveyed by a belt conveyor, but many power stations are located in rainy areas, the moisture of the fire coal is greatly influenced by rainfall, generally, the total moisture of the fire coal is increased after the rainfall, so that the coal becomes certain cohesiveness, and the fire coal is often adhered to the belt conveyor in the conveying process, so that the belt conveyor is difficult to clean; the traditional cleaning mode wastes time and labor, has a common effect, and can influence the normal conveying efficiency of the belt conveyor; and the water splashes around in the cleaning process, so that the tidiness of the whole field is greatly reduced; some fine particles such as coal ash can fly in the air, which not only has certain influence on the natural environment, but also brings certain harm to the health of operators.

Disclosure of Invention

The invention aims to solve the problems that the cleaning mode in the prior art wastes time and labor, and the normal conveying efficiency of a belt conveyor is influenced due to common effect; and can fire coal and splash everywhere in the clearance process for the clean and tidy nature greatly reduced in whole place brings the problem of certain harm for natural environment and human health, and the intelligent clearance mechanism of belt feeder for power plant fire coal is carried.

In order to achieve the purpose, the invention adopts the following technical scheme:

an intelligent cleaning mechanism of a belt conveyor for conveying coal in a power plant comprises a frame body and a belt, wherein the belt is in transmission connection with the frame body, side plates are fixedly arranged on the front surface and the rear surface of the frame body, sealing bins are fixedly arranged on the outer surfaces of the two side plates, a driving roller is rotatably connected between the two side plates, a rotating shaft of the driving roller penetrates through the side wall of the side plate, a first gear and a first fan blade are fixedly connected with both ends of the driving roller in the inner cavity of the sealed bin in sequence, the lower part of the left side of the frame body is fixedly connected with a collecting bin, the front side and the rear side of the right part of the upper wall of the inner cavity of the collecting bin are both fixedly provided with a first rotating seat, the upper part of the side wall of the inner cavity of the collection bin is rotatably connected with a cleaning roller, a rotating shaft of the cleaning roller penetrates through the side wall of the collection bin, a second gear and a second fan blade are fixedly connected to two ends of the rotating shaft of the cleaning roller from inside to outside;

the air guide pipe is communicated between the two sealed bins, the bottom of the collecting bin is hinged with a discharging plate, a second rotating seat is fixedly connected to the front side and the rear side of the right part of the upper surface of the discharging plate, and a spring telescopic rod is fixedly connected between the second rotating seat and the first rotating seat.

Preferably, the side wall of the drive roll is closely attached to the inner surface of the lower portion of the belt.

Preferably, the first gear is in meshed connection with the second gear, the cleaning roller is attached to the surface of the belt, and the rotating direction of the cleaning roller is opposite to that of the belt.

Preferably, blowpipes are arranged on the upper portion of the side wall of the air guide pipe, the blowpipes are arranged along the axis of the air guide pipe, and the distance between every two adjacent blowpipes is the same.

Preferably, the lateral wall of the inner cavity of the blowing pipe is provided with a groove, the inner cavity of the groove is connected with a hinge in a sliding mode, two sides of the hinge are connected with a semicircular plate in a rotating mode, the lower surface of the semicircular plate is provided with an air deflector, and the lateral wall of the blowing pipe is located below the groove and fixedly connected with a limiting ring.

Preferably, the rotatable angle between the semicircular plate and the hinge is less than 90 degrees.

Preferably, the outer diameter of the semicircular plate is larger than the inner diameter of the limiting ring.

Preferably, the first rotating seat is parallel to the second rotating seat in axis, and the two spring telescopic rods are symmetrically arranged.

Preferably, the collecting bin side wall is provided with a sliding groove, the upper surface of the discharging plate is fixedly connected with a sliding plate, and the sliding plate is in sliding connection with the sliding groove.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the belt cleaning device, the belt and the driving roller are in friction action, so that the belt cleaning device can be operated without other driving force, resources are utilized more reasonably, and then the cleaning roller can perform rolling brush cleaning on the surface of the belt through mutual matching of the first gear, the second gear and the cleaning roller; the rotation of the first fan blade and the second fan blade is matched to generate high-strength airflow in the sealed bin, so that the surface of the belt is dried; and the hinge drives the rotation effect of the semicircular plate, so that the gas diffusion range is wider, and the drying effect of the device on the surface of the belt is further improved.

2. This application is through the setting of collecting storehouse, slide and spout, in the device use, will block to clean the coal-fired of in-process and fly upward everywhere, at first play the dust fall, the effect of environmental protection, but also can collect the coal-fired of gluing on the belt, the waste of resource has been reduced, and according to the weight of coal-fired in the collection storehouse, will link between spring telescopic link and the stripper, make the collection storehouse still have automatic discharge's function.

Drawings

FIG. 1 is a schematic overall structure diagram of an intelligent cleaning mechanism for a belt conveyor for conveying coal in a power plant, which is provided by the invention;

FIG. 2 is a schematic rear view of an intelligent cleaning mechanism for a belt conveyor for conveying coal in a power plant according to the present invention;

FIG. 3 is a schematic view of a partial cross-sectional structure of an intelligent cleaning mechanism of a belt conveyor for coal-fired conveying in a power plant according to the present invention;

FIG. 4 is a schematic partial half-sectional structure view of an intelligent cleaning mechanism for a belt conveyor for coal-fired conveying in a power plant according to the present invention;

FIG. 5 is a schematic top view of a closed blowing pipe structure of an intelligent cleaning mechanism for a belt conveyor for coal-fired conveying in a power plant according to the present invention;

FIG. 6 is a schematic view of a blowing pipe closing bottom structure of an intelligent cleaning mechanism of a belt conveyor for coal-fired conveying in a power plant according to the present invention;

FIG. 7 is a schematic view of an open top structure of a blowpipe of an intelligent cleaning mechanism of a belt conveyor for coal-fired conveying in a power plant according to the present invention;

fig. 8 is a schematic view of the blowing pipe opening structure of the intelligent cleaning mechanism for the belt conveyor for coal-fired conveying in a power plant according to the present invention.

In the figure: the device comprises a frame body 1, a belt 101, a side plate 2, a sealed bin 3, a driving roller 4, a first gear 41, a first fan blade 42, a collecting bin 5, a first rotary seat 51, a sliding chute 52, a cleaning roller 6, a second gear 61, a second fan blade 62, an air guide pipe 7, an air blowing pipe 71, a groove 711, a hinge 712, a semicircular plate 713, an air guide plate 714, a 715 limiting ring, a discharging plate 8, a second rotary seat 81, a sliding plate 82 and a spring telescopic rod 9.

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.

Referring to fig. 1, 3 and 4, an intelligent cleaning mechanism for a belt conveyor for conveying coal in a power plant comprises a frame body 1 and a belt 101, the belt 101 is in transmission connection with the frame body 1, side plates 2 are fixedly arranged on the front and rear surfaces of the frame body 1, a sealed bin 3 is fixedly arranged on the outer surfaces of the two side plates 2, a driving roller 4 is rotatably connected between the two side plates 2, a rotating shaft of the driving roller 4 penetrates through the side walls of the side plates 2, a first gear 41 and a first fan blade 42 are sequentially and fixedly connected with the two ends of the driving roller 4 which are positioned in an inner cavity of the sealed bin 3, a collecting bin 5 is fixedly connected with the lower part of the left side of the frame body 1, and the front part of the right part of the upper wall of the inner cavity of the collecting bin 5, the rear sides of the collecting bin 5 are fixedly provided with first rotating seats 51, the upper part of the side wall of the inner cavity of the collecting bin 5 is rotatably connected with a cleaning roller 6, a rotating shaft of the cleaning roller 6 penetrates through the side wall of the collecting bin 5, and two ends of the rotating shaft of the cleaning roller 6 are fixedly connected with a second gear 61 and a second fan blade 62 from inside to outside;

the air guide pipe 7 is communicated between the two sealed cabins 3, the bottom of the collecting cabin 5 is hinged to a discharging plate 8, a second swivel base 81 is fixedly connected to the front portion and the rear portion of the right portion of the upper surface of the discharging plate 8, and a spring telescopic rod 9 is fixedly connected between the second swivel base 81 and the first swivel base 51.

Through the arrangement of the structure, the device can be synchronously cleaned in the running process of the belt conveyor, can be operated without other driving force, and can generate high-strength air flow in the rotating process to dry the surface of the belt; but also has the functions of dust fall, environmental protection and resource waste reduction, and also has the function of automatically collecting and discharging sticky and sticky coal.

Referring to fig. 3 and 4, the side wall of the driving roller 4 is closely attached to the inner surface of the lower portion of the belt 101;

by closely attaching the side wall of the driving roller 4 to the inner surface of the lower portion of the belt 101, when the belt 101 normally rotates, the driving roller 4 also rotates along with the belt 101 without using other driving force, thereby more reasonably utilizing resources.

Referring to fig. 3 and 4, the first gear 41 is in meshed connection with the second gear 61, the cleaning roller 6 is attached to the surface of the belt 101, and the rotation direction of the cleaning roller 6 is opposite to that of the belt 101;

through the meshing connection of first gear 41 and second gear 61, drive roll 4 also will drive simultaneously when rotating cleaning roller 6 and rotate for cleaning roller 6 carries out the round brush clearance to the surface of belt 101, and because cleaning roller 6 is opposite with the rotation direction of belt 101, has produced a pair of interact power from this between cleaning roller 6 and belt 101, thereby has improved the round brush effect of cleaning roller 6 and belt 101.

Referring to fig. 3, the upper portion of the side wall of the air guide pipe 7 is provided with a plurality of blowpipes 71, the blowpipes 71 are all arranged along the axis of the air guide pipe 7, and the distance between two adjacent blowpipes 71 is the same;

by providing a plurality of blowing pipes 71 with the same pitch along the axis of the air guide pipe 7, the air in the air guide pipe 7 can be more uniformly diffused, thereby ensuring the drying effect on the surface of the belt 101.

Referring to fig. 5, 6, 7 and 8, a groove 711 is formed in the side wall of the inner cavity of the blowpipe 71, a hinge 712 is slidably connected to the inner cavity of the groove 711, semicircular plates 713 are rotatably connected to both sides of the hinge 712, an air guide plate 714 is arranged on the lower surface of each semicircular plate 713, and a limit ring 715 is fixedly connected to the side wall of the blowpipe 71 below the groove 711;

through the arrangement of the structure, after the air is filled into the blowpipe 71, the semicircular plate 713 can be firstly turned upwards under the action of atmospheric pressure, then the air is discharged outwards through the blowpipe 71, and the discharged air can be blown to the air guide plate 714, so that the hinge 712 rotates in the groove 711, the discharged air in the air guide pipe 7 is more uniform, the semicircular plate 713 is driven to rotate through the hinge 712, the range of air diffusion is larger, and the drying effect of the device on the surface of the belt 101 is further improved.

Referring to fig. 7 and 8, a rotatable angle between the one-side semicircular plate 713 and the hinge 712 is less than 90 degrees;

by setting the rotatable angle between the semicircular plates 713 and the hinge 712 to be smaller than 90 degrees, after the device stops operating, the two semicircular plates 713 can fall down automatically under the action of gravity, manual intervention is not needed, the device can be in different states, and switching between the opening state and the closing state is completed automatically.

Referring to fig. 6, wherein the outer diameter of the semicircular plate 713 is larger than the inner diameter of the limiting ring 715;

by setting the outer diameter of the semicircular plate 713 to be larger than the inner diameter of the limiting ring 715, the limiting ring 715 plays a role in limiting and fixing the semicircular plate 713, and after the device stops operating, the semicircular plate 713 seals the blowpipe 71 under the matching of the limiting ring 715, so that foreign objects in the outside air are prevented from entering the blowpipe 71, and the protection effect of the device is improved.

Referring to fig. 1 and 4, the axes of the first rotating base 51 and the second rotating base 81 are parallel, and the two spring telescopic rods 9 are symmetrically arranged;

through two spring telescopic links 9 of parallel symmetry setting, when collecting the coal-fired gravity of collecting in the storehouse 5 and reaching the certain degree, two spring telescopic links 9 will extend simultaneously, and stripper 8 will fall to make the coal-fired landing of collecting in the collection storehouse 5 go out, then spring telescopic link 9 will contract, make stripper 8 rise, collect 5 closedly in the storehouse.

Referring to fig. 3 and 4, a chute 52 is formed in the side wall of the collecting bin 5, a sliding plate 82 is fixedly connected to the upper surface of the discharging plate 8, and the sliding plate 82 is slidably connected to the chute 52;

through the setting of slide 82 and spout 52, open the back when collecting storehouse 5 under coal-fired gravity, can ensure that coal-fired only accessible below discharge gate landing has avoided the coal-fired to collecting storehouse 5 both sides scatter to the clean and tidy nature in place when having improved and using the device.

When the device is used, firstly, when the belt 101 normally rotates, the driving roller 4 is driven to simultaneously rotate through the friction action between the belt and the driving roller 4, then the driving roller 4 is meshed and connected with the second gear 61 through the first gear 41, and the cleaning roller 6 is also synchronously driven to rotate, so that the cleaning roller 6 performs rolling brush cleaning on the surface of the belt 101, and a pair of interaction force is generated between the cleaning roller 6 and the belt 101 due to the fact that the rotation directions of the cleaning roller 6 and the belt 101 are opposite, and the rolling brush effect of the cleaning roller 6 and the belt 101 is improved;

in the rotating process of the cleaning roller 6, the surface of the belt 101 is cleaned, the collection bin 5 arranged at the position can prevent the coal in the cleaning process from flying around, the dust falling effect is achieved, the coal attached to the surface of the belt 101 can be swept into the collection bin 5, when the weight of the coal collected in the collection bin 5 reaches a certain degree, under the action of gravity, two spring telescopic rods 9 can extend simultaneously, the discharge plate 8 can fall down, and the coal can only slide through a discharge hole below through the sliding arrangement of the sliding plate 82 and the sliding groove 52, so that the coal is prevented from scattering to two sides of the collection bin 5, the neatness of the field when the device is used is improved, the coal collected in the collection bin 5 finally slides out, after the coal slides out for certain quality, the spring telescopic rods 9 can shrink, the discharge plate 8 rises, the collection bin 5 is closed, so that the collecting bin 5 also has the function of active discharge;

when the driving roller 4 and the cleaning roller 6 rotate simultaneously, the first fan blade 42 and the second fan blade 62 are also driven to rotate, so that high-intensity air flow is generated in the sealed cabin 3, then the air flow is blown off to the surface of the belt 101 through the air guide pipe 7 and the air blowing pipe 71, the belt 101 is dried, after the air flow is filled in the air blowing pipe 71, firstly, the semicircular plate 713 is turned upwards under the action of air flow pressure, then the air flow is blown off to the belt 101 through the air blowing pipe 71, and the outward air flow is blown off to the air guide plate 714, so that the hinge 712 rotates in the groove 711, the outward hinge of the air in the air guide pipe 7 is more uniform, the semicircular plate 713 is driven to rotate through the hinge 712, the air diffusion range is larger, the drying effect of the device on the surface of the belt 101 is further improved, after the belt 101 stops running, two semicircle boards 713 can fall by oneself under the effect of gravity, need not artifical intervention, can be in different states according to the device, automatic completion is opened and the switching of closed state to semicircle board 713 will seal blowpipe 71 under spacing ring 715's cooperation, avoid in external gas debris get into blowpipe 71, thereby improved the protection effect to the device.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art of belt cleaning should be able to cover the technical scope of the present invention, and the technical solutions and the inventive concepts of the present invention with equivalent alternatives or modifications within the technical scope of the present invention.

Claims

1. The utility model provides an intelligent cleaning mechanism of belt feeder for coal-fired transport of power plant, includes support body (1) and belt (101), belt (101) are connected with support body (1) transmission, its characterized in that, the equal fixed mounting in surface has curb plate (2) around support body (1), two equal fixed mounting in surface has sealed bin (3) curb plate (2), two rotate between curb plate (2) and be connected with drive roll (4), the pivot of drive roll (4) runs through curb plate (2) lateral wall, drive roll (4) both ends are located sealed bin (3) inner chamber all is fixed connection in proper order first gear (41) and first flabellum (42), support body (1) left side lower part fixedly connected with collects storehouse (5), it all fixed mounting has first pivot (51) to collect storehouse (5) inner chamber upper wall right part front, rear side, it rotates and is connected with cleaning roller (6) to collect storehouse (5) inner chamber lateral wall upper portion, a rotating shaft of the cleaning roller (6) penetrates through the side wall of the collecting bin (5), and a second gear (61) and a second fan blade (62) are fixedly connected to two ends of the rotating shaft of the cleaning roller (6) from inside to outside;

two the intercommunication has guide duct (7) between sealed storehouse (3), it has stripper (8) to gather storehouse (5) bottom articulated, the equal fixedly connected with second swivel mount (81) of stripper (8) upper surface right part front and rear side, fixedly connected with spring telescopic link (9) between second swivel mount (81) and first swivel mount (51).

2. The intelligent cleaning mechanism for the belt conveyor for conveying the coal in the power plant as claimed in claim 1, wherein the side wall of the driving roller (4) is closely attached to the inner surface of the lower part of the belt (101).

3. The intelligent cleaning mechanism for the belt conveyor for conveying coal in a power plant as claimed in claim 2, wherein the first gear (41) is meshed with the second gear (61), the cleaning roller (6) is attached to the surface of the belt (101), and the rotation direction of the cleaning roller (6) is opposite to that of the belt (101).

4. The intelligent cleaning mechanism for the belt conveyor for conveying coal in a power plant according to claim 1, characterized in that a plurality of blowpipes (71) are arranged on the upper portion of the side wall of the air guide pipe (7), the blowpipes (71) are arranged along the axis of the air guide pipe (7), and the distance between every two adjacent blowpipes (71) is the same.

5. The intelligent cleaning mechanism for the belt conveyor for conveying coal in a power plant according to claim 4, characterized in that a groove (711) is formed in the side wall of the inner cavity of the air blowing pipe (71), a hinge (712) is connected to the inner cavity of the groove (711) in a sliding manner, a semicircular plate (713) is rotatably connected to each of two sides of the hinge (712), an air deflector (714) is arranged on the lower surface of the semicircular plate (713), and a limit ring (715) is fixedly connected to the side wall of the air blowing pipe (71) below the groove (711).

6. The intelligent cleaning mechanism for the belt conveyor used for conveying coal in a power plant according to claim 5, characterized in that the rotatable angle between the semicircular plate (713) and the hinge (712) on one side is less than 90 degrees.

7. The intelligent cleaning mechanism for the belt conveyor for conveying coal in a power plant according to claim 6, wherein the outer diameter of the semicircular plate (713) is larger than the inner diameter of the limiting ring (715).

8. The intelligent cleaning mechanism for the belt conveyor for conveying coal in a power plant as claimed in claim 1, wherein the first rotating base (51) is parallel to the second rotating base (81) in axis, and the two spring telescopic rods (9) are symmetrically arranged.

9. The intelligent cleaning mechanism for the belt conveyor for conveying coal in a power plant according to claim 8, characterized in that a sliding groove (52) is formed in a side wall of the collecting bin (5), a sliding plate (82) is fixedly connected to an upper surface of the discharging plate (8), and the sliding plate (82) is slidably connected with the sliding groove (52).