Stock bin anti-blocking device for coal conveying system

Abstract

The utility model discloses an anti-blocking device for a coal conveying system stock bin, and particularly relates to the technical field of coal conveying system stock bins, which comprises a stock bin cylinder, a fastener fixedly connected to the outer side of the stock bin cylinder, two shells fixedly connected to the outer side of the stock bin cylinder, a guide ring fixedly connected to the inner side of the stock bin cylinder, and an inclined surface arranged at the top of the guide ring. A guide groove is formed in the inner side of the guide ring, and an anti-blocking mechanism is arranged on the inner side of the stock bin cylinder. The anti-blocking mechanism comprises a first servo motor, and the outer side of the first servo motor is fixedly connected with the inner side of the shell. By arranging the anti-blocking mechanism and the dust collection mechanism and utilizing the matching of the dispersing baffle, the stirring rod, the scraping plate and the inserting rod, coal is effectively dispersed and prevented from caking, it is ensured that the coal is conveyed more smoothly, and the conveying efficiency is improved; according to the coal bunker, coal dust escaping from the inner cavity of the bunker cylinder can be collected, coal blocks are blocked through the filter plate, continuous operation of the dust collection fan is kept, pollution of the coal dust to the environment is reduced, and the quality of the environment around the coal bunker is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal conveying system bunker technical field more specifically, the utility model relates to the device for preventing coal conveying system bunker from being blocked. BACKGROUND

[0002] The coal storage bunker is the main equipment of the coal conveying system of the thermal power plant, and the coal storage bunker often causes the blocking of the bunker, the arching and other phenomena due to the humidity and granularity of the raw coal during the production and operation of the thermal power plant, thereby causing the coal feeding fault of the coal mill, affecting the normal production and seriously causing the unit tripping.

[0003] The existing unblocking methods include manual unblocking and air cannon, each having advantages and disadvantages: the manual unblocking is to break the blockage by poking the coal hole and hammering the blocked coal part. The manual unblocking can only be used as a temporary method, the unblocking effect is good, but the equipment is seriously damaged and has safety hazards. The compressed air instantaneous pulse is directly used to impact the blocked part in the coal bunker, so that the coal powder flows again under the action of gravity.

[0004] According to the search, the patent with the publication number CN217674563U discloses a bunker anti-blocking device for a coal conveying system. The utility model is convenient to fix with the bunker through the fixing part, convenient to disassemble and maintain, and the anti-blocking part can stir the coal in the bunker when the bunker is blocked, thereby keeping the coal conveying system running, reducing the time, improving the coal conveying efficiency, and adjusting the stirring effect in two grades according to the actual needs.

[0005] However, the above-mentioned anti-blocking device may cause the coal to adhere to the inner wall of the output end of the bunker after the coal is stored and left still. Under the action of pressure for a long time, the agglomerates at the output end become larger and larger, and the adhered agglomerates cannot be discharged well, reducing the discharging efficiency of the bunker. UTILITY MODEL CONTENT

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a bunker anti-blocking device for a coal conveying system to solve the problems in the above-mentioned background art.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] The utility model provides a prevent blocking device for coal conveying system bunker, including the bunker cylinder, the fastener is fixedly connected with the outside of bunker cylinder, two housings are fixedly connected with the outside of bunker cylinder, the guide ring is fixedly connected with the inside of bunker cylinder, the top of guide ring is provided with inclined plane, the guide groove is opened in the inside of guide ring, the prevent blocking mechanism is arranged in the inside of bunker cylinder, the prevent blocking mechanism includes servo motor no.

[0009] Through the above technical scheme: the coal can be gathered to the middle by the inclined plane, and the two housings drive the larger diameter gear one to provide power for the smaller diameter gear two, so that the power of the prevent blocking mechanism is more sufficient.

[0010] As a further description of the above technical scheme: the transmission ring is slidably connected to the inside of the guide groove, a plurality of gear slots are formed in the top of the transmission ring, the transmission gear is engaged with the inside of the gear slot at the bottom, a plurality of stirring rods are fixedly connected to the bottom of the transmission ring, a plurality of insertion rods are arranged on one side of the stirring rod, two scrapers are fixedly connected to the outside of the stirring rod, a support rod is fixedly connected to the top of the stirring rod, a plurality of dispersion discs are fixedly connected to the top of the support rod, and a plurality of dispersion baffles are fixedly connected to the top of the dispersion disc.

[0011] Through the above technical scheme: the coal is double dispersed, and the inner wall of the bunker cylinder discharge port is scraped by the plurality of scrapers to avoid the coal from being accumulated and adhered to the inner wall of the bunker cylinder discharge port.

[0012] As a further description of the above technical scheme: the servo motor two is fixedly connected to the outside of the bunker cylinder, the output end of the servo motor two is fixedly connected with the rotating rod, a plurality of dispersion rollers are fixedly connected to the outside of the rotating rod, and the cross section of the dispersion roller is V-shaped.

[0013] Through the above technical scheme: the coal in the bunker can be partially diverted, so that the coal can be better discharged.

[0014] As a further description of the above technical scheme: the dust collection mechanism includes a collection disc, the collection disc is fixedly connected to the inside of the bunker, a filter plate is fixedly connected to one side of the collection disc, a dust collection fan is communicated to the other side of the collection disc, and an output pipe is fixedly connected to the output end of the dust collection fan.

[0015] Through the above technical scheme: the dust in the cavity formed after the discharge of the bunker is collected, and the dust is reduced to escape into the air.

[0016] The utility model discloses a technical effect and advantage:

[0017] Through setting up anti -blocking mechanism, with prior art compares, utilize the rotation of guide groove, make the dispersion baffle and the dispersion to the coal material's lower accumulation, avoid the coal material under the excessive agglomeration under gravity, and through a plurality of stirring rod, scraper and insert rod can be to the inside of the output of bin cylinder regular rotation, make the conveying of coal material more smooth, improve the efficiency of coal material conveying;

[0018] Through setting up dust absorption mechanism, with prior art compares, can the coal material dust that disperses in bin cylinder internal cavity carries out certain collection, and utilize filter plate to block coal material block, make dust absorption fan can continuously keep running, reduce coal material dust to disperse to the air, improve the environmental quality around coal material bin. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the whole structure schematic diagram of the utility model.

[0020] Figure 2 It is the rear side structure schematic diagram of the utility model.

[0021] Figure 3 It is the transmission ring and stirring rod connecting place local schematic view of the utility model.

[0022] Figure 4 It is the pinion and transmission rod connecting place local schematic view of the utility model.

[0023] Figure 5 It is the collection tray and filter plate connecting place structure schematic view of the utility model.

[0024] Figure 6 It is the guide ring cross section structure schematic view of the utility model.

[0025] The drawing mark is: 1, bin cylinder;2, fastener;3, shell;4, guide ring;5, inclined plane;6, guide groove;7, servo motor one;8, gear one;9, gear two;10, transmission rod;11, transmission gear;12, transmission ring;13, gear slot;14, stirring rod;15, scraper;16, support rod;17, dispersion disc;18, servo motor two;19, rotating rod;20, dispersion roller;21, collection tray;22, filter plate;23, dust absorption fan;24, output pipe;25, insert rod;26, dispersion baffle. DETAILED DESCRIPTION

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] The embodiments disclosed in this application are as follows: Figures 1-6 The anti-blocking device for a coal conveying system includes a silo cylinder 1, fasteners 2 fixedly connected to the outside of the silo cylinder 1, two outer shells 3 fixedly connected to the outside of the silo cylinder 1, a guide ring 4 fixedly connected to the inside of the silo cylinder 1, an inclined surface 5 provided on the top of the guide ring 4, a guide groove 6 opened on the inside of the guide ring 4, and an anti-blocking mechanism provided on the inside of the silo cylinder 1. The anti-blocking mechanism includes a servo motor 7, the outside of the servo motor 7 is fixedly connected to the inside of the outer shell 3, a gear 8 is fixedly connected to the output end of the servo motor 7, a gear 9 meshes with the bottom of the gear 8, a transmission rod 10 is fixedly connected to the inside of the gear 9, and a transmission gear 11 is fixedly connected to one end of the transmission rod 10. A dust collection mechanism is provided on the outside of the silo cylinder 1. Through the inclined surface 5 on the top of the guide ring 4, the coal can be concentrated and moved towards the bottom of the silo cylinder 1. Then, the two servo motors 7 drive the larger diameter gear 8 to transmit power to the smaller diameter gear 9, so that the gear 9 can provide good power to the transmission gear 11.

[0028] Reference Figure 3 As shown, a transmission ring 12 is slidably connected to the inner side of the guide groove 6. The top of the transmission ring 12 has multiple toothed grooves 13. The bottom of the transmission gear 11 meshes with the inner side of the toothed grooves 13. Multiple stirring rods 14 are fixedly connected to the bottom of the transmission ring 12. Multiple insert rods 25 are provided on one side of the stirring rods 14. Two scrapers 15 are fixedly connected to the outer side of the stirring rods 14. A support rod 16 is fixedly connected to the top of the stirring rods 14. A dispersing disc 17 is fixedly connected to the top of the multiple support rods 16. Multiple dispersing baffles 26 are fixedly connected to the top of the dispersing disc 17. The transmission ring 12 will drive the dispersing disc 17, multiple insert rods 25 and scrapers 15 to rotate through the support rods 16 and the stirring rods 14. The insert rods 25 can be used to further divert the coal material. The multiple insert rods 25 can then disperse and discharge the coal material. Finally, the multiple scrapers 15 can clean the inner wall of the output end of the hopper cylinder 1.

[0029] Reference Figure 1 As shown, a servo motor 18 is fixedly connected to the outside of the silo cylinder 1. A rotating rod 19 is fixedly connected to the output end of the servo motor 18. Multiple dispersing rollers 20 are fixedly connected to the outside of the rotating rod 19. The cross-section of the dispersing rollers 20 is set in a V shape. The servo motor 18 drives the rotating rod 19 and the dispersing rollers 20 to rotate and divert the coal inside the silo cylinder 1. The dispersing rollers 20 are used to improve the diversion effect of the coal.

[0030] Referring to Figure 5 As shown, the dust collection mechanism includes a collection disc 21, the outer side of which is fixedly connected with the inner side of the bunker barrel 1, one side of the collection disc 21 is fixedly connected with a filter plate 22, and the other side of the collection disc 21 is communicated with a dust suction fan 23, the output end of the dust suction fan 23 is fixedly connected with an output pipe 24, the coal blocks are blocked by the filter plate 22 and enter the inside of the collection disc 21, the dust escaping from the inside of the bunker barrel 1 is collected by the dust suction fan 23 and the collection disc 21, and is then concentrated and input into the dust discharge pipeline in the coal conveying system through the output pipe 24.

[0031] The utility model discloses a working principle: when the coal conveying system bunker discharges coal, first, servo motor no. 2 18 drives rotating rod 19 to rotate, and rotating rod 19 drives multiple dispersion rollers 20 to rotate, and the V-shaped section of dispersion roller 20 is used for distributing coal, and then when the coal is output to the bottom of the bunker barrel 1, servo motor no. 1 7 in the inner side of the two housings 3 drives two gears no. 8 to rotate, and two larger-diameter gears no. 8 drive two smaller-diameter gears no. 9 to rotate, so that two gears no. 9 can drive transmission gear 11 to rotate quickly through transmission rod 10, and then two transmission gears 11 drive gear slot 13 to rotate in the inner side of guide groove 6, and the coal in the inside of the bunker barrel 1 can be guided by the inclined surface 5, and then when transmission ring 12 rotates, multiple stirring rods 14, support rods 16, dispersion discs 17 and dispersion baffles 26 are driven to rotate, dispersion baffles 26 assist the coal in the inside of the bunker barrel 1 to be discharged, so that the coal can be dispersed to the periphery of dispersion disc 17, and multiple stirring rods 14 and insertion rods 25 can continuously rotate and disperse the periphery of the discharge port, so that the coal can move downward stably, and stirring rod 14 drives scraping plates 15 on both sides to clean the inner wall of the discharge port at the bottom of the bunker barrel 1, so that the coal does not adhere to the inner wall of the discharge port.

[0032] After most of the coal in the inside of the bunker barrel 1 is output, part of the coal dust in the cavity above the inside of the bunker barrel 1 escapes, at this time, dust suction fan 23 and collection disc 21 can be used to collect the dust in the inside of the bunker barrel 1, and the coal can be separated by filter plate 22, so that larger coal blocks do not enter the inside of collection disc 21.

[0033] The contents not described in detail in the specification all belong to the prior art known to those skilled in the art, and the model parameters of various appliances are not specifically limited, and conventional equipment can be used, in the technical scheme, the appliance control elements not mentioned belong to the prior art, so they are not shown in the drawings, and will not be described here.

[0034] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A device for preventing blockage of a coal conveying system bunker, comprising a bunker barrel (1), characterized in that: The outside of the silo barrel (1) is fixedly connected with a fastener (2), the outside of the silo barrel (1) is fixedly connected with two housings (3), the inside of the silo barrel (1) is fixedly connected with a guide ring (4), the top of the guide ring (4) is provided with an inclined surface (5), the inside of the guide ring (4) is provided with a guide groove (6), and the inside of the silo barrel (1) is provided with an anti-blocking mechanism. The anti-blocking mechanism comprises a servo motor (7), the outside of the servo motor (7) is fixedly connected with the inside of the housing (3), the output end of the servo motor (7) is fixedly connected with a gear (8), the bottom side of the gear (8) is engaged with a gear (9), the inside of the gear (9) is fixedly connected with a transmission rod (10), and one end of the transmission rod (10) is fixedly connected with a transmission gear (11). The outside of the silo barrel (1) is provided with a dust collection mechanism.

2. The anti-blocking device for coal conveying system bunker according to claim 1, characterized in that: The inside of the guide groove (6) is slidably connected with a transmission ring (12), the top of the transmission ring (12) is provided with a plurality of gear slots (13), the bottom of the transmission gear (11) is engaged with the inside of the gear slot (13), and the bottom of the transmission ring (12) is fixedly connected with a plurality of stirring rods (14).

3. The anti-blocking device for coal conveying system silo according to claim 2, characterized in that: The stirring rod (14) is provided with a plurality of insertion rods (25) on one side, and the outside of the stirring rod (14) is fixedly connected with two scrapers (15).

4. The anti-blocking device for coal conveying system silo according to claim 3, characterized in that: The top of the stirring rod (14) is fixedly connected with a support rod (16), the top of a plurality of support rods (16) is fixedly connected with a dispersion disc (17), and the top of the dispersion disc (17) is fixedly connected with a plurality of dispersion baffles (26).

5. The anti-blocking device for coal conveying system silo according to claim 1, characterized in that: The outside of the silo barrel (1) is fixedly connected with a servo motor (18), the output end of the servo motor (18) is fixedly connected with a rotating rod (19), the outside of the rotating rod (19) is fixedly connected with a plurality of dispersion rollers (20), and the cross section of the dispersion roller (20) is provided in a V shape.

6. The anti-blocking device for coal conveying system silo according to claim 1, characterized in that: The dust collection mechanism comprises a collection disc (21), the outside of the collection disc (21) is fixedly connected with the inside of the silo barrel (1), and one side of the collection disc (21) is fixedly connected with a filter plate (22).

7. The anti-blocking device for coal conveying system silo according to claim 6, characterized in that: The other side of the collection disc (21) is communicated with a dust collection fan (23), and the output end of the dust collection fan (23) is fixedly connected with an output pipe (24).

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