Coal ash conveying anti-blocking device for thermal power plant

Abstract

The utility model relates to the technical field of conveying devices, and discloses a thermal power plant coal ash conveying anti-blocking device which comprises a bottom plate, a shell plate is arranged at the top of the bottom plate, a feeding port is formed in the top of the shell plate, a discharging port is formed in the bottom of the shell plate, and a conveying mechanism used for conveying coal ash is arranged on the inner side of the shell plate. A separating mechanism used for separating the conveying mechanism from the shell plate is arranged at the bottom of the shell plate, and a smashing mechanism used for smashing the coal ash particles is arranged at the top of the shell plate. When the coal ash crushing device is used, a user can crush coal ash through the crushing mechanism, so that the problem of blockage is avoided, the coal ash can be crushed through the conveying mechanism, and meanwhile, the conveying mechanism can be separated from the shell plate through the separating mechanism, so that the shell plate is convenient to clean, the coal ash can be crushed, and the coal ash crushing efficiency is improved. Therefore, the situation that some fly ash particles are different in size, and blockage is caused in the fly ash processing and conveying process is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of stove processing, and in particular to a coal ash transmission anti-blocking device for a thermal power plant. Background Art

[0002] Coal ash from thermal power plants is a solid waste generated when coal is burned. It is usually composed of minerals and ash in the coal. The coal ash remains in the stove or boiler in solid form during the combustion process and is removed from the stove or boiler after the combustion is completed.

[0003] The Chinese utility model patent with application number: CN202120301781.3 discloses a fly ash conveying anti-blocking device, including a main shell, a support leg, a fixed shell, a connecting shell, a placing shell, a feeding shell, a discharging shell, a conveying mechanism, a grinding anti-blocking mechanism and an adjusting mechanism; wherein the bottom surface of the main shell is fixedly connected to the top surface of the support leg, the right side of the fixed shell is fixedly connected with a discharging shell, the top side of the left end of the fixed shell is fixedly connected with the bottom surface of the fixed shell, the top of the fixed shell is fixedly connected with a connecting shell, the top side of the connecting shell is fixedly connected with the bottom side of the placing shell, the conveying mechanism includes a motor, a driving shaft, a driving cylinder, a conveyor belt, a horizontal plate, a limit plate, a limit shaft, a driven shaft and a driven cylinder, the grinding anti-blocking mechanism includes a filter plate, a filter hole, a grinding motor, a grinding shaft, a grinding roller, a servo motor, a spring and an elastic ball, and the adjusting mechanism includes a mounting plate, an electric push rod and a moving plate. This fly ash conveying anti-blocking device is novel in design.

[0004] The above technical solution grinds the coal ash into powder through a grinding mechanism, and then transports the coal ash through a conveyor belt, and flattens the coal ash on the conveyor belt through limit plates, limit shafts, etc. Although this method can prevent the coal ash from being blocked, some coal ash will inevitably fall into the main shell when the coal ash is flattened, and a lot of coal ash will also be attached to the conveyor belt. Over time, more coal ash will accumulate in the main shell. Since the main shell is a closed setting and the two conveying rollers of the conveyor belt are distributed in the main shell, more dust will be attached to the transmission rollers. If it is not cleaned for a long time, it will affect the normal operation of the conveyor belt. Utility Model Content

[0005] The utility model aims to provide a device for preventing coal ash from being transported and blocked in a thermal power plant, so as to solve the problem in the prior art that the coal ash is ground into powder by a grinding mechanism, and then the coal ash is transported by a conveyor belt, and the coal ash on the conveyor belt is flattened by a limit plate, a limit shaft, etc. Although this method can prevent the coal ash from being blocked, some coal ash will inevitably fall into the main shell when the coal ash is flattened, and a large amount of coal ash will also be attached to the conveyor belt. Over time, a large amount of coal ash will accumulate in the main shell. Since the main shell is a closed setting, and since the two transmission rollers of the conveyor belt are distributed in the main shell, a large amount of dust will be attached to the transmission rollers. If the conveyor belt is not cleaned for a long time, it will affect the normal operation of the conveyor belt.

[0006] The utility model provides the following technical solution: a device for preventing coal ash transmission from being blocked in a thermal power plant, comprising a bottom plate, a shell plate arranged on the top of the bottom plate, a feed port arranged on the top of the shell plate, a discharge port arranged on the bottom of the shell plate, a conveying mechanism for conveying coal ash arranged on the inner side of the shell plate, a separation mechanism for separating the conveying mechanism from the shell plate arranged on the bottom of the shell plate, and a crushing mechanism for crushing coal ash particles arranged on the top of the shell plate.

[0007] As a preferred embodiment of the above technical solution, the separation mechanism includes two symmetrically distributed grooves provided on the bottom plate and a card slot provided on the shell plate, the inner side of the groove is rotatably connected to a screw, the outer thread of the screw is connected to a bracket, the end of the bracket away from the screw is slidably connected to a limiting rod, the outside of the bracket is fixedly connected to a card plate, and the outer end of the screw is fixedly connected to a first motor. The user can drive the screw to rotate through the first motor, the rotation of the screw drives the bracket to move through the limiting rod, the movement of the bracket drives the card plate to move, the movement of the card plate drives the conveying rack to move, the movement of the conveying rack drives the unloading port to gradually separate from the positioning groove, and the conveying rack will separate from the shell plate when it moves to a certain position. At this time, the user can clean the inside of the shell plate, and when the cleaning is completed, the user can reverse the rotation of the first motor to send the conveying rack into the shell plate again, thereby achieving the effect of facilitating the user to clean the conveying mechanism and the shell plate.

[0008] As a preferred embodiment of the above technical solution, one end of the screw is rotatably connected to the inner side of the groove through a bearing seat, and the other end of the screw passes through the groove and is fixedly connected to the first motor, the first motor is fixedly connected to the outer side of the base plate, the limit rod is fixedly connected to the inner side of the groove away from the screw, the position of the card plate corresponds to the card slot, and the size of the card plate matches the card slot.

[0009] As a preferred embodiment of the above technical solution, the conveying mechanism includes a conveying frame fixedly connected to the inner side of the pallet and a positioning groove fixedly connected to the inner side of the shell plate. A second motor is fixedly connected to the outer side of the conveying frame. The output shaft of the second motor passes through the conveying frame and is fixedly connected to a spiral rod. A discharge port is provided at the bottom of the conveying frame, and a loading port is provided at the top of the conveying frame. The user can start the second motor, and the second motor drives the spiral rod to rotate. Thereafter, the user can crush the coal ash through the crushing mechanism to make its particles of uniform size. The crushed coal ash will fall into the conveying frame through the discharge pipe, the feed port and the loading port. At this time, the spiral rod can drive the coal ash to move, thereby conveying the coal ash. When the coal ash moves to a certain position, it will fall through the discharge port on the conveying frame and the discharge port on the shell plate. At this time, the conveying of the coal ash is completed, thereby realizing the conveying of the coal ash.

[0010] As a preferred embodiment of the above technical solution, one end of the spiral rod is rotatably connected to the inner side of the conveying frame through a bearing seat, and the other end of the spiral rod passes through the conveying frame and is fixedly connected to the second motor. The position of the loading port corresponds to the feeding port, and the position of the unloading port corresponds to the discharging port. The positioning grooves are distributed above the discharging port, and the position of the positioning grooves corresponds to the unloading port. The positioning grooves are open on one side close to the clamping plate, and the size of the unloading port matches the positioning grooves.

[0011] As a preferred embodiment of the above technical solution, the crushing mechanism includes an outer shell fixedly connected to the top of the shell plate, an inlet is arranged on the top of the outer shell, a mounting plate is fixedly connected to the outer side of the outer shell, a third motor is fixedly connected to the top of the mounting plate, a driving wheel is fixedly connected to the output shaft of the third motor, a driven wheel is transmission-connected to the inner side of the driving wheel, a crushing roller is fixedly connected to the outside of the driven wheel, a discharge pipe is arranged at the bottom of the outer shell, a limiting groove is arranged at the inner bottom of the outer shell, a user can use the third motor, the third motor drives the driving wheel to rotate, the driving wheel rotates through the transmission belt to drive the driven wheel to rotate, the rotation of the driving wheel and the driven wheel will drive the two crushing rollers to rotate, and then the user can pour the coal ash to be transported into the inlet, at this time the crushing roller can crush large particles of coal ash, and then the crushed coal ash will be transported by the conveying mechanism, thereby realizing the crushing of the coal ash and avoiding the situation that some fly ash particles are of different sizes and blockage will occur during the processing and transportation of the fly ash.

[0012] As a preferred embodiment of the above technical solution, the inner side of the driving wheel is connected to the transmission belt, the inner side of the transmission belt is connected to the driven wheel, the driving wheel is connected to the driven wheel through the transmission belt, there are two crushing rollers, one end of the two crushing rollers are rotatably connected to the inner side of the outer shell through the bearing seat, and the other ends of the two crushing rollers pass through the outer shell and are fixedly connected to the driving wheel and the driven wheel, the position of the discharge pipe corresponds to the feed port, and the discharge pipe is connected to the limit groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model is provided with a bottom plate, a shell plate, a conveying mechanism, a crushing mechanism and a separating mechanism. When in use, the third motor drives the driving wheel to rotate, and the rotation of the driving wheel drives the driven wheel to rotate through the transmission belt. The rotation of the driving wheel and the driven wheel will drive the two crushing rollers to rotate. Then the user can pour the coal ash to be transported into the inlet. At this time, the crushing roller can crush the large particles of coal ash, and the crushed coal ash will be transported away by the conveying mechanism, so that the coal ash can be crushed, thereby avoiding the situation that some fly ash particles are of different sizes and blockage will occur during the fly ash processing and transportation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of a first-person perspective stereogram of a coal ash transmission anti-blocking device for a thermal power plant;

[0016] Figure 2 A second-angle perspective stereogram of a coal ash transmission anti-blocking device for a thermal power plant;

[0017] Figure 3 It is a partial structural cross-sectional view of a coal ash transmission anti-blocking device in a thermal power plant;

[0018] Figure 4 It is a partial structural cross-sectional view of a coal ash transmission anti-blocking device in a thermal power plant;

[0019] Figure 5 for Figure 2 A schematic diagram of the structure enlargement in the middle;

[0020] Figure 6 for Figure 3 A magnified schematic diagram of the structure at B in the middle;

[0021] Figure 7 for Figure 4 Enlarged schematic diagram of the structure at point C in the middle.

[0022] In the figure: 1. bottom plate; 11. groove; 12. card slot; 13. screw rod; 14. bracket; 15. limit rod; 16. card plate; 17. first motor; 2. shell plate; 21. conveyor frame; 22. positioning slot; 23. second motor; 24. screw rod; 25. unloading port; 26. loading port; 3. feeding port; 31. shell; 32. inlet; 33. mounting plate; 34. third motor; 35. driving wheel; 36. driven wheel; 37. crushing roller; 38. discharge pipe; 39. limit slot; 4. discharge port. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0024] Embodiment 1

[0025] like Figure 1 , Figure 2 , Figure 3 and Figure 7 As shown, a coal ash transmission and blocking prevention device for a thermal power plant comprises a bottom plate 1, a shell plate 2 is arranged on the top of the bottom plate 1, a feed port 3 is arranged on the top of the shell plate 2, a discharge port 4 is arranged on the bottom of the shell plate 2, a conveying mechanism for conveying coal ash is arranged on the inner side of the shell plate 2, a separation mechanism for separating the conveying mechanism from the shell plate 2 is arranged on the bottom of the shell plate 2, a crushing mechanism for crushing coal ash particles is arranged on the top of the shell plate 2, the separation mechanism comprises two symmetrically distributed grooves 11 opened on the bottom plate 1 and a card slot 12 opened on the shell plate 2, a screw 13 is rotatably connected to the inner side of the groove 11, and the screw 13 is A bracket 14 is connected to the external thread, and one end of the bracket 14 away from the screw 13 is slidably connected to a limit rod 15. A clamping plate 16 is fixedly connected to the outside of the bracket 14, and the outer end of the screw 13 is fixedly connected to a first motor 17. One end of the screw 13 is rotatably connected to the inner side of the groove 11 through a bearing seat, and the other end of the screw 13 passes through the groove 11 and is fixedly connected to the first motor 17. The first motor 17 is fixedly connected to the outer side of the base plate 1, and the limit rod 15 is fixedly connected to the inner side of the groove 11 away from the screw 13. The position of the clamping plate 16 corresponds to the clamping slot 12, and the size of the clamping plate 16 matches the clamping slot 12.

[0026] Through the above technical scheme, when in use, the user can drive the screw 13 to rotate through the first motor 17, the rotation of the screw 13 drives the bracket 14 to move through the limit rod 15, the movement of the bracket 14 drives the clamping plate 16 to move, the movement of the clamping plate 16 drives the conveying frame 21 to move, the movement of the conveying frame 21 drives the unloading port 25 to gradually separate from the positioning groove 22, and the conveying frame 21 will separate from the shell plate 2 when it moves to a certain position. At this time, the user can clean the inside of the shell plate 2. When the cleaning is completed, the user can reversely rotate the first motor 17 to send the conveying frame 21 into the shell plate 2 again, thereby achieving the effect of facilitating the user to clean the conveying mechanism and the shell plate 2.

[0027] Embodiment 2

[0028] like Figure 3 and Figure 6As shown, a coal ash transmission and blocking prevention device for a thermal power plant comprises a bottom plate 1, a shell plate 2 is arranged on the top of the bottom plate 1, a feed port 3 is arranged on the top of the shell plate 2, a discharge port 4 is arranged on the bottom of the shell plate 2, a conveying mechanism for conveying coal ash is arranged on the inner side of the shell plate 2, a separation mechanism for separating the conveying mechanism from the shell plate 2 is arranged on the bottom of the shell plate 2, a crushing mechanism for crushing coal ash particles is arranged on the top of the shell plate 2, the conveying mechanism comprises a conveying frame 21 fixedly connected to the inner side of the card plate 16 and a positioning groove 22 fixedly connected to the inner side of the shell plate 2, a second motor 23 is fixedly connected to the outer side of the conveying frame 21, and the output shaft of the second motor 23 passes through the conveying frame 21. The conveying frame 21 is fixedly connected with a spiral rod 24, a discharge port 25 is arranged at the bottom of the conveying frame 21, and a loading port 26 is arranged at the top of the conveying frame 21. One end of the spiral rod 24 is rotatably connected to the inner side of the conveying frame 21 through a bearing seat, and the other end of the spiral rod 24 passes through the conveying frame 21 and is fixedly connected to the second motor 23. The position of the loading port 26 corresponds to the feeding port 3, and the position of the discharge port 25 corresponds to the discharge port 4. The positioning grooves 22 are distributed above the discharge port 4, and the position of the positioning grooves 22 corresponds to the discharge port 25. The positioning grooves 22 are opened on the side close to the clamping plate 16, and the size of the loading port 25 matches the positioning grooves 22.

[0029] Through the above technical solution, when in use, the user can start the second motor 23, and the second motor 23 drives the screw rod 24 to rotate. Then the user can crush the coal ash through the crushing mechanism to make its particle size uniform, and the crushed coal ash will fall into the conveying frame 21 through the discharge pipe 38, the feed port 3 and the loading port 26. At this time, the screw rod 24 can drive the coal ash to move, so as to convey the coal ash. When the coal ash moves to a certain position, it will fall through the discharge port 25 on the conveying frame 21 and the discharge port 4 on the shell plate 2. At this time, the transportation of the coal ash is completed, thereby realizing the transportation of the coal ash.

[0030] Embodiment 3

[0031] like Figure 2 , Figure 3 and Figure 5As shown, a coal ash transmission and blocking prevention device for a thermal power plant comprises a bottom plate 1, a shell plate 2 is arranged on the top of the bottom plate 1, a feed port 3 is arranged on the top of the shell plate 2, a discharge port 4 is arranged on the bottom of the shell plate 2, a conveying mechanism for conveying coal ash is arranged on the inner side of the shell plate 2, a separation mechanism for separating the conveying mechanism from the shell plate 2 is arranged on the bottom of the shell plate 2, a crushing mechanism for crushing coal ash particles is arranged on the top of the shell plate 2, the crushing mechanism comprises a shell 31 fixedly connected to the top of the shell plate 2, an inlet 32 ​​is arranged on the top of the shell 31, a mounting plate 33 is fixedly connected to the outer side of the shell 31, a third motor 34 is fixedly connected to the top of the mounting plate 33, and a driving wheel 3 is fixedly connected to the output shaft of the third motor 34. 5. The inner side of the driving wheel 35 is connected to the driven wheel 36 by transmission, and the outer side of the driven wheel 36 is fixedly connected to the crushing roller 37. A discharge pipe 38 is provided at the bottom of the shell 31, and a limiting groove 39 is provided at the inner bottom of the shell 31. The inner side of the driving wheel 35 is connected to the transmission belt, and the inner side of the transmission belt is connected to the driven wheel 36. The driving wheel 35 is connected to the driven wheel 36 by transmission belt. There are two crushing rollers 37. One end of the two crushing rollers 37 is rotatably connected to the inner side of the shell 31 through a bearing seat, and the other ends of the two crushing rollers 37 pass through the shell 31 and are fixedly connected to the driving wheel 35 and the driven wheel 36. The position of the discharge pipe 38 corresponds to the feed port 3, and the discharge pipe 38 is connected to the limiting groove 39.

[0032] Through the above technical solution, when in use, the user can use the third motor 34, and the third motor 34 drives the driving wheel 35 to rotate. The driving wheel 35 rotates through the transmission belt to drive the driven wheel 36 to rotate. The rotation of the driving wheel 35 and the driven wheel 36 will drive the two crushing rollers 37 to rotate. Then the user can pour the coal ash to be transported into the inlet 32. At this time, the crushing roller 37 can crush the large particles of coal ash. The crushed coal ash will be transported by the conveying mechanism, thereby realizing the crushing of the coal ash and avoiding the situation that some fly ash particles are of different sizes and blockage will occur during the fly ash processing and transportation process.

[0033] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims

1. A device for preventing coal ash transmission from being blocked in a thermal power plant, comprising a bottom plate (1), characterized in that: A shell plate (2) is arranged on the top of the bottom plate (1), a feed port (3) is arranged on the top of the shell plate (2), a discharge port (4) is arranged on the bottom of the shell plate (2), a conveying mechanism for conveying coal ash is arranged on the inner side of the shell plate (2), a separation mechanism for separating the conveying mechanism from the shell plate (2) is arranged on the bottom of the shell plate (2), and a crushing mechanism for crushing coal ash particles is arranged on the top of the shell plate (2).

2. The device for preventing coal ash transmission from being blocked in a thermal power plant according to claim 1, characterized in that: The separation mechanism comprises two symmetrically distributed grooves (11) formed on the bottom plate (1) and a clamping groove (12) formed on the shell plate (2); a screw rod (13) is rotatably connected to the inner side of the groove (11); a bracket (14) is threadedly connected to the outer side of the screw rod (13); an end of the bracket (14) away from the screw rod (13) is slidably connected to a limit rod (15); a clamping plate (16) is fixedly connected to the outer side of the bracket (14); and a first motor (17) is fixedly connected to the outer end of the screw rod (13).

3. The device for preventing coal ash transmission from being blocked in a thermal power plant according to claim 2, characterized in that: One end of the screw rod (13) is rotatably connected to the inner side of the groove (11) through a bearing seat, and the other end of the screw rod (13) passes through the groove (11) and is fixedly connected to the first motor (17), the first motor (17) is fixedly connected to the outer side of the base plate (1), the limit rod (15) is fixedly connected to the inner side of the groove (11) away from the screw rod (13), the position of the clamping plate (16) corresponds to the clamping groove (12), and the size of the clamping plate (16) matches the clamping groove (12).

4. The device for preventing coal ash transmission from being blocked in a thermal power plant according to claim 1, characterized in that: The conveying mechanism comprises a conveying frame (21) fixedly connected to the inner side of the clamping plate (16) and a positioning groove (22) fixedly connected to the inner side of the shell plate (2); a second motor (23) is fixedly connected to the outer side of the conveying frame (21); an output shaft of the second motor (23) passes through the conveying frame (21) and is fixedly connected to a screw rod (24); a discharge port (25) is arranged at the bottom of the conveying frame (21); and a loading port (26) is arranged at the top of the conveying frame (21).

5. The device for preventing coal ash transmission from being blocked in a thermal power plant according to claim 4, characterized in that: One end of the screw rod (24) is rotatably connected to the inner side of the conveying frame (21) through a bearing seat, and the other end of the screw rod (24) passes through the conveying frame (21) and is fixedly connected to the second motor (23). The position of the loading port (26) corresponds to the feeding port (3), and the position of the unloading port (25) corresponds to the discharging port (4). The positioning groove (22) is distributed above the discharging port (4), and the position of the positioning groove (22) corresponds to the unloading port (25). The positioning groove (22) is opened on a side close to the clamping plate (16), and the size of the unloading port (25) matches the positioning groove (22).

6. The device for preventing coal ash transmission from being blocked in a thermal power plant according to claim 1, characterized in that: The pulverizing mechanism comprises a shell (31) fixedly connected to the top of the shell plate (2); an inlet (32) is arranged at the top of the shell (31); a mounting plate (33) is fixedly connected to the outer side of the shell (31); a third motor (34) is fixedly connected to the top of the mounting plate (33); a driving wheel (35) is fixedly connected to the output shaft of the third motor (34); a driven wheel (36) is transmission-connected to the inner side of the driving wheel (35); a pulverizing roller (37) is fixedly connected to the outer side of the driven wheel (36); a discharge pipe (38) is arranged at the bottom of the shell (31); and a limiting groove (39) is arranged at the inner bottom of the shell (31).

7. The device for preventing coal ash transmission from being blocked in a thermal power plant according to claim 6, characterized in that: The inner side of the driving wheel (35) is connected to a transmission belt, and the inner side of the transmission belt is connected to a driven wheel (36). The driving wheel (35) is connected to the driven wheel (36) through the transmission belt. There are two crushing rollers (37). One end of the two crushing rollers (37) is rotatably connected to the inner side of the outer shell (31) through a bearing seat, and the other ends of the two crushing rollers (37) pass through the outer shell (31) and are fixedly connected to the driving wheel (35) and the driven wheel (36). The position of the discharge pipe (38) corresponds to the feed port (3), and the discharge pipe (38) is connected to the limit groove (39).

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