Coal bunker anti-blocking device based on thermal power plant

Abstract

The coal bunker anti-blocking device based on the thermal power plant comprises a guide hopper communicated with an outlet of a coal bunker, the guide hopper is communicated with a discharge port of the coal bunker through a flexible connecting pipe, an anti-blocking assembly is hinged to the lower portion of the guide hopper, and the anti-blocking assembly comprises a guide cylinder hinged to the lower portion of the guide hopper. A rotating shaft is rotationally arranged in the material guide barrel, a crushing cutter plate is arranged on the outer side wall of the rotating shaft, the rotating shaft penetrates through the side wall of the material guide barrel, a driving part is arranged on the outer side of the rotating shaft, and the driving part drives the rotating shaft to drive the crushing cutter plate to rotate; according to the utility model, the driving piece drives the rotating shaft to rotate and simultaneously drives the crushing cutter plate on the outer side of the rotating shaft to rotate, so that materials falling from the guide hopper are crushed and guided downwards, the materials are prevented from blocking the guide barrel, the blocking frequency of the materials is greatly reduced, and the blanking speed of the materials is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal bunker anti-blocking equipment, and particularly relates to a coal bunker anti-blocking device based on a thermal power plant. BACKGROUND

[0002] In the process of thermal power generation, especially in the process of thermal power generation using coal as raw material, coal powder in the raw coal bunker is usually transported into the generator set. In this process, when the raw coal bunker is blocked, the coal feeder is interrupted, the unit is forced to reduce load, and in severe cases, the unit is even shut down. In addition, a large number of manual cleaning operations also cause great personal safety hazards. Therefore, the raw coal bunker anti-blocking reconstruction is imperative.

[0003] The coal bunker anti-blocking device is an important cleaning device for dealing with coal bunker blockage. Most of the existing coal bunker anti-blocking devices are through knocking or changing the inclination angle of the pipeline, and using a dredging rod to dredge and prevent blockage. These methods still cause frequent blockage of the pipeline when dealing with high-humidity raw coal or caked raw coal, resulting in slow raw coal discharging speed and affecting the raw coal conveying efficiency. SUMMARY

[0004] Therefore, the utility model provides a coal bunker anti-blocking device based on a thermal power plant, which can realize the crushing operation of the raw coal in the guide material cylinder falling through the guide chute by the anti-blocking assembly, greatly reducing the frequency of blocking the guide material cylinder, and greatly improving the raw coal discharging speed and conveying efficiency.

[0005] In order to solve the above technical problems, the utility model provides a coal bunker anti - jamming device based on thermal power plant, including with the export of coal bunker communication's guide hopper, the lower part of guide hopper and the hopper are communicated, the soft connecting pipe is communicated between guide hopper and the discharge gate of coal bunker, the soft connecting pipe and guide hopper and the discharge gate are locked and fixed through the clamp between, the soft connecting pipe is nylon, canvas or metal material, and the inside wall is smooth and wear -resisting, which can not only guarantee its good deformation ability, but also can guarantee its good toughness, greatly prolong its service life, the lower part of guide hopper is hingedly provided with anti - jamming assembly, the anti - jamming assembly includes the guide cylinder that is hingedly arranged in the lower part of guide hopper, the lower part of guide cylinder is communicated with the upper part of hopper, the inside rotation of guide cylinder is provided with the pivot, the sidewall and pivot of guide cylinder are connected through sealing bearing, a plurality of interval arrangement's crushing blade is welded on the outside wall of pivot, the pivot passes through the sidewall of guide cylinder, the outside of pivot is provided with driving piece, and driving piece drives pivot and crushing blade to rotate, the utility model can drive the pivot to rotate with the crushing blade on its outside through driving piece, and then realize the operation of crushing and downward guiding of the material falling in guide hopper, avoid the material jamming guide cylinder, greatly reduce the frequency of material jamming, and improve the material discharge speed.

[0006] The pivot has two, and the crushing blade on the outside wall of the two pivots is staggered, the outside of the two pivots is respectively provided with a gear, the two gears are engaged with each other, and the outside of one of the pivots is in transmission connection with the output shaft of the driving piece, the utility model can drive the pivot to rotate with the gear in transmission connection through the rotation of the output shaft of the driving piece, the rotation of the pivot can drive the gear and the gear engaged with it and the other pivot to rotate, and then realize the crushing operation of the caked material or the jamming material while rotating with the two crushing blades, avoid the problem of jamming the hopper when conveying into the hopper.

[0007] The outside wall of the guide cylinder is fixedly provided with a fixed plate, the fixed plate is L-shaped, the vertical part of the fixed plate is welded on the outside wall of the guide cylinder, and the upper part of the horizontal part of the fixed plate is provided with an adjusting assembly, the adjusting assembly can push the guide hopper to rotate along the hinged part of the guide cylinder, the utility model can adjust the rotation of the guide hopper along the hinged part of the guide cylinder through the adjusting assembly, and then realize the adjustment of the inclination angle of the guide hopper to open the upper part of the guide cylinder, and then facilitate the operator to clean and dredge the material adhered to the anti - jamming assembly in the guide cylinder, and the operation is more convenient.

[0008] The adjusting assembly comprises a sliding rail fixedly arranged on the upper portion of the horizontal portion of the fixed plate, a sliding block slidingly arranged in the sliding rail, a telescopic push rod hingedly arranged on the upper portion of the sliding block through a hinge seat and a hinge shaft, and an output rod end of the telescopic push rod hingedly arranged on the outer side wall of the guide hopper through a hinge seat and a hinge shaft.

[0009] The telescopic push rod is an electric push rod or a hydraulic push rod.

[0010] The driving member is a servo motor, the output shaft of the servo motor is in transmission connection with the rotating shaft through a speed reducer, the output shaft of the servo motor is connected with the input end of the speed reducer, and the output end of the speed reducer is connected with the rotating shaft.

[0011] The upper portion of the guide cylinder is provided with a sealing gasket, and the sealing gasket is made of anti-skid and wear-resistant rubber material.

[0012] Compared with the prior art, the present application has at least one of the following beneficial technical effects:

[0013] 1. The present application can realize the crushing operation of the material falling through the guide hopper, especially the caked material, through the guide cylinder arranged between the guide hopper and the lower hopper and the anti-blocking assembly in the guide cylinder, thereby avoiding the existence of caking and the accumulation of clogging the lower hopper, and greatly improving the efficiency of material unloading and conveying.

[0014] 2. The present application can realize the rotation of the two rotating shafts and the crushing blade plate outside the rotating shafts through the rotation of the output shaft of the driving motor and the transmission connection with the rotating shafts, and the mutual meshing of the gears at the two ends of the rotating shafts, so that the two rotating shafts can rotate together with the crushing blade plate while realizing the crushing operation of the falling material, thereby greatly reducing the caking of the falling material and the frequency of clogging the lower hopper.

[0015] 3. The present application can realize the rotation of the guide hopper along the hinged portion of the guide cylinder through the extension and retraction of the output rod of the telescopic push rod, thereby realizing the separation operation of the guide hopper and the guide cylinder, realizing the cleaning and dredging operation of the crushing assembly in the guide cylinder, realizing the normal unloading operation of the guide hopper through the sealing operation of the guide hopper and the guide cylinder, and being more convenient to operate. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the coal bunker anti-blocking device of the present application based on the thermal power plant.

[0017] Figure 2 is an isometric view of the coal bunker anti-blocking device based on a thermal power plant according to the present application;

[0018] Figure 3 is a front view of the coal bunker anti-blocking device based on a thermal power plant according to the present application.

[0019] Explanation of reference signs: 100, material guide hopper; 200, anti-blocking assembly; 210, material guide cylinder; 220, rotating shaft; 230, crushing blade plate; 240, gear; 300, fixed plate; 400, adjusting assembly; 410, sliding rail; 420, sliding block; 430, telescopic push rod. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings of the embodiments of the present application to make the following specific description. Figures 1-3 The technical scheme of the embodiments of the present application is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.

[0021] As Figures 1-3The utility model provides a coal bunker anti -blocking device based on thermal power plant, including with the outlet of coal bunker intercommunication's guide chute 100, guide chute 100 is the inclined downward setting cylinder, its material quality is stainless steel, and the lower part of guide chute 100 is connected with the hopper, and the outlet of coal bunker is connected with guide chute 100 through the soft connecting pipe, and the soft connecting pipe is locked and fixed between guide chute 100 and the outlet through the clamp, and the soft connecting pipe is nylon, canvas or metal material, and the inside wall is smooth and wear -resisting, which can not only guarantee its good deformation ability, but also can guarantee its good toughness, greatly prolong its service life, and the lower part of guide chute 100 is hingedly provided with anti -blocking subassembly 200, and the anti -blocking subassembly 200 includes the guide cylinder 210 that is hingedly arranged in the lower part of guide chute 100, the lower part of guide cylinder 210 is connected with the upper part of hopper through flange and bolt, the upper part of hopper is connected with the lower part of guide cylinder 210, the upper part of hopper and the lower part of guide cylinder 210 are same in shape and size, and the upper part of hopper and the lower part of guide cylinder 210 are detachably connected through sealing gasket and bolt, the inside rotation of guide cylinder 210 is provided with the pivot 220, the side wall of guide cylinder 210 is connected with the pivot 220 through sealing bearing, the side wall of guide cylinder 210 is provided with the through -hole that is adapted with the outer ring of sealing bearing, the outer ring of sealing bearing is welded with the side wall of guide cylinder 210, the pivot 220 penetrates the inner ring of sealing bearing, and is fixed with the inner ring of sealing bearing, a plurality of interval -arranged crushing blade plates 230 are welded on the outer side wall of pivot 220, the pivot 220 penetrates the side wall of guide cylinder 210, the outer side of pivot 220 is provided with driving piece 240, and driving piece 240 is servo motor, the output shaft of servo motor is connected with the input end of speed reducer through transmission connection, the output shaft of servo motor is connected with the input end of speed reducer, and the output end of speed reducer is connected with the pivot 220, the rotation of the output shaft of servo motor can drive pivot 220 to rotate with crushing blade plate 230, the utility model can rotate with pivot 220 through the rotation of the output shaft of servo motor, and the crushing blade plate 230 on the outer side is rotated, and the material falling in guide chute 100 is crushed and guided downward, to avoid material blocking guide cylinder 210, greatly reduce the frequency of material blocking, and improve the material discharging speed.

[0022] According to an embodiment of the utility model, Figure 1As shown, the rotating shaft 220 has two, and the two rotating shafts 220 outside wall on the crushing blade 230 are staggered, the two gears 250 are arranged on the outside of the two rotating shafts 220, the two gears 250 are meshed with each other, and the outside of one of the rotating shafts 220 is in transmission connection with the output shaft of the driving member 240. The utility model can rotate with the rotating shaft 220 which is in transmission connection with the output shaft of the driving member 240 through the rotation of the output shaft of the driving member 240, the rotation of the rotating shaft 220 can rotate with the gear 250 and the gear 250 which is meshed with the gear 250 and the other rotating shaft 220, and then the two crushing blades 230 are rotated to realize the crushing operation of the caked material or the blocked material, avoiding the problem of blocking the hopper when conveying into the hopper.

[0023] According to another embodiment of the utility model, as shown in Figure 1 and Figure 2 As shown, the outer wall of the guide cylinder 210 is fixedly provided with a fixed plate 300, the fixed plate 300 is L-shaped, the vertical part of the fixed plate 300 is welded on the outer wall of the guide cylinder 210, the upper part of the guide cylinder 210 is provided with a sealing pad, the sealing pad should be made of anti-skid and wear-resistant rubber material, the upper part of the horizontal part of the fixed plate 300 is provided with an adjusting assembly 400, the adjusting assembly 400 can push the guide hopper 100 to rotate along the hinged part of the guide cylinder 210, the utility model can adjust the rotation of the guide hopper 100 along the hinged part of the guide cylinder 210 through the adjusting assembly 400, and then the inclination angle of the guide hopper 100 is adjusted to open the upper part of the guide cylinder 210, and then the operator can clean and dredge the material adhered to the anti-blocking assembly 200 in the guide cylinder 210, and the operation is more convenient.

[0024] According to another embodiment of the utility model, as shown in Figure 1 and Figure 3 As shown, the adjusting assembly 400 comprises a sliding rail 410 fixedly arranged on the upper part of the horizontal part of the fixed plate 300, a sliding block 420 slidably arranged in the sliding rail 410, a telescopic push rod 430 hingedly arranged on the upper part of the sliding block 420 through a hinged seat and a hinged shaft, the telescopic push rod 430 is an electric push rod or a hydraulic push rod, and the output rod end of the telescopic push rod 430 is hingedly arranged on the outer wall of the guide hopper 100 through a hinged seat and a hinged shaft. The utility model can rotate the guide hopper 100 along the hinged part of the guide cylinder 210 through the extension and retraction of the output rod of the telescopic push rod 430, and then realize the sealing and opening operation of the guide hopper 100 and the guide cylinder 210. At the same time, the cooperation of the sliding rail 410 and the sliding block 420 provides guidance and limiting for the inclination of the output rod of the telescopic push rod 430, and the operation is more convenient.

[0025] Another embodiment of the adjusting assembly 400 is that the adjusting assembly 400 can also be a steering engine, and the output shaft of the steering engine is connected with the outer side wall of the guide hopper 100, so that the rotation of the output shaft of the steering engine can also drive the guide hopper 100 to rotate along the hinged part of the guide cylinder 210.

[0026] The use method of the utility model:

[0027] First of all, it needs to be clear that the anti-blocking device involved in the utility model is mainly used for the anti-blocking and discharging operation of powdery, granular and especially easy-to-cake materials. The use method of the utility model is especially the working principle of the anti-blocking assembly 200, which is taken as an example of the process that the coal powder is guided from the coal bunker to the discharging hopper through the guide hopper 100 and finally falls on the conveying belt through the outlet of the discharging hopper during the process of thermal power generation in the thermal power plant. When the coal powder needs to be conveyed, the output rod of the telescopic push rod 430 is extended to push the guide hopper 100 to rotate along the hinged part of the guide cylinder 210 to seal and close the upper part of the guide cylinder 210. Then, the discharge valve of the coal bunker is opened, and the output shaft of the driving motor is started to rotate. The rotation of the output shaft of the driving motor drives the transmission connection of the shaft 220 and the crushing blade plate 230 outside the shaft 220 to rotate. In addition, the mutual meshing of the gears 250 at the ends of the two shafts 220 enables the two shafts 220 to rotate together with the crushing blade plate 230 while crushing the falling materials. At this time, the coal powder falling from the coal bunker passes through the flexible connecting pipe, and the guide hopper 100 falls above the guide cylinder 210 to be crushed and scattered, which greatly reduces the number of caked coal powder and the frequency of blocking the discharging hopper. When the discharging operation is completed, the discharge valve of the coal bunker is closed, and the output rod of the telescopic push rod 430 is retracted to the state as shown in the figure. At this time, the operator can efficiently and conveniently clean the residual coal powder on the crushing blade plate 230 and the shaft 220 and the inner wall of the guide cylinder 210. The operation is more convenient. The utility model can crush the materials falling through the guide hopper 100, especially the caked materials, through the guide cylinder 210 and the anti-blocking assembly 200 inside the guide cylinder 210, which can avoid the existence and accumulation of caked materials to block the discharging hopper, and greatly improve the efficiency of discharging and conveying the materials. Figure 1

[0028] ​In addition, it needs to be explained that, in the description of the present application, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] The above is the preferred embodiment of the present application, it should be pointed out that, for those skilled in the art, without departing from the principles described in the present application, a number of improvements and refinements can be made, these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A coal bunker anti-blocking device based on a thermal power plant, comprising a guide hopper (100) in communication with the outlet of the coal bunker, the lower part of the guide hopper (100) being in communication with a lower hopper, characterized in that: The material guiding hopper (100) is communicated with the discharge port of the coal bunker through a flexible connecting pipe, and the lower part of the material guiding hopper (100) is hingedly provided with an anti-blocking assembly (200), which comprises a material guiding cylinder (210) hingedly arranged at the lower part of the material guiding hopper (100), a rotating shaft (220) rotatably arranged in the material guiding cylinder (210), a crushing blade (230) arranged on the outer side wall of the rotating shaft (220), the rotating shaft (220) penetrating the side wall of the material guiding cylinder (210), a driving member (240) arranged on the outer side of the rotating shaft (220), and the driving member (240) driving the rotating shaft (220) to rotate with the crushing blade (230).

2. The coal bunker anti-blocking device based on a thermal power plant according to claim 1, characterized in that: The rotating shaft (220) has two, and the crushing blades (230) on the outer side walls of the two rotating shafts (220) are arranged in an interlaced manner, the outer sides of the two rotating shafts (220) are respectively provided with gears (250), the two gears (250) are meshed with each other, and the outer side of one of the rotating shafts (220) is in transmission connection with the output shaft of the driving member (240).

3. The coal bunker anti-blocking device based on a thermal power plant according to claim 2, characterized in that: The outer side wall of the material guiding cylinder (210) is provided with a fixed plate (300), the fixed plate (300) is L-shaped, the vertical part of the fixed plate (300) is arranged on the outer side wall of the material guiding cylinder (210), and the upper part of the horizontal part of the fixed plate (300) is provided with an adjusting assembly (400), the adjusting assembly (400) can push the material guiding hopper (100) to rotate along the hinged part of the material guiding cylinder (210).

4. The coal bunker anti-blocking device based on a thermal power plant according to claim 3, characterized in that: The adjusting assembly (400) comprises a sliding rail (410) arranged on the upper part of the horizontal part of the fixed plate (300), a sliding block (420) slidably arranged in the sliding rail (410), a telescopic push rod (430) hingedly arranged on the upper part of the sliding block (420), and an output rod end of the telescopic push rod (430) is hingedly arranged on the outer side wall of the material guiding hopper (100).

5. The coal bunker anti-blocking device based on a thermal power plant according to claim 4, characterized in that: The telescopic push rod (430) is an electric push rod or a hydraulic push rod.

6. The coal bunker anti-blocking device based on a thermal power plant according to claim 5, characterized in that: The driving member (240) is a servo motor, and the output shaft of the servo motor is in transmission connection with the rotating shaft (220) through a speed reducer.

7. The coal bunker anti-blocking device based on a thermal power plant according to claim 6, characterized in that: The upper part of the material guiding cylinder (210) is provided with a sealing gasket.

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