Anti-blocking cleaning device for fire tube orifice

Abstract

The utility model belongs to the technical field of energy conversion equipment, and relates to an anti-blocking cleaning device for a fire tube orifice, which comprises a movable guide rail, a movable structure and a PLC (programmable logic controller), a groove leading to the inside is arranged on one side of the movable guide rail, and a rack is arranged in the movable guide rail; and the moving structure comprises a shell, a first motor, a rotating shaft, a rotating wheel, a guide block and a dredging structure, and moving guide rails are arranged at the two ends of the moving structure correspondingly. According to the anti-blocking cleaning device for the fire pipe orifice, a program is preset on the PLC, so that the moving block moves to the position where the dredging rod of the dredging structure is just aligned with the through hole below, then the dredging structure is controlled to be started to clean and dredge the through hole, and a row of through holes can be cleaned and dredged at a time; and the number of the dredging structures to be started can be controlled according to the number of each row of through holes. The anti-blocking cleaning device for the fire tube orifice replaces manual operation, improves the working efficiency, reduces the human input, and saves time and labor.

Description

Technical Field

[0001] The utility model belongs to the technical field of energy conversion equipment, relates to accessories of a boiler, and particularly relates to a fire tube orifice anti-blocking and cleaning device. Background Art

[0002] The fire tube of the boiler has through holes for exhausting gas, but the through holes at the fire tube orifice are prone to being blocked after long-term use of the boiler. At present, the through holes are generally manually cleaned and dredged. There are multiple rows of through holes on the fire tube orifice, and each row of through holes respectively includes multiple through holes. Therefore, the manual dredging workload is extremely large, time-consuming and laborious. Summary of the Invention

[0003] Aiming at the deficiencies existing in the above-mentioned prior art, the purpose of the utility model is to provide a fire tube orifice anti-blocking and cleaning device to quickly and conveniently clean and dredge the through holes at the fire tube orifice instead of manual labor.

[0004] Technical Solution

[0005] A fire tube orifice anti-blocking and cleaning device includes a moving guide rail, a moving structure and a PLC, wherein:

[0006] A groove leading to the inside is arranged on one side of the moving guide rail, and a rack is arranged inside the moving guide rail;

[0007] The moving structure includes a housing, a first motor, a rotating shaft, a rotating wheel, a guiding block and a dredging structure. The two ends of the moving structure are respectively provided with the moving guide rail; wherein, the dredging structure includes a second motor, a mounting plate, a mounting frame, an iron sheet, a spring, a dredging rod and an electromagnet. The mounting frame is fixedly connected inside the housing, guiding grooves are respectively arranged on both sides of the mounting frame, the mounting plate is located inside the mounting frame and is slidably connected with the mounting frame through the guiding grooves. The second motor is fixedly connected to the mounting plate, an iron sheet is fixedly connected to the lower end of the mounting plate, the output end of the second motor is fixedly connected with the dredging rod, the upper end of the dredging rod is a vertical rod, and the lower end is spirally bent. The dredging rod passes through the mounting plate, the iron sheet and the housing, so that the spirally-shaped lower end is located outside the housing.

[0008] In a preferred disclosed example of the utility model, the rotating shaft passes through the housing, and a guiding block and a rotating wheel are respectively arranged at both ends. The guiding block is fixedly connected with the housing and is in clearance fit with the groove. The guiding block is rotatably connected with the rotating shaft, and the rotating wheel is fixedly connected with the rotating shaft.

[0009] In a preferred disclosed example of the utility model, teeth are arranged on the outer side of the rotating wheel, and the rotating wheel meshes with the rack.

[0010] In a preferred disclosed example of the utility model, rollers are respectively arranged at the upper and lower ends of the guiding block, and a mating groove for cooperating with the rollers is arranged on the moving guide rail.

[0011] In a preferred disclosed example of the present utility model, the first motor is located inside the housing. The output end of the first motor is fixedly connected to a first gear disc. A second gear disc is provided in the middle of the rotating shaft, and the first gear disc meshes with the second gear disc.

[0012] In a preferred disclosed example of the present utility model, a spring is provided between the iron sheet and the housing, and an electromagnet is provided outside the housing. The iron sheet and the electromagnet are arranged opposite to each other.

[0013] In a preferred disclosed example of the present utility model, the first motor, the second motor, and the electromagnet are respectively connected to the PLC.

[0014] In a preferred disclosed example of the present utility model, there are multiple dredging structures, and the distance between adjacent two dredging structures is equal to the distance between adjacent two through holes on the surface of the fire nozzle.

[0015] In a preferred disclosed example of the present utility model, the dredging structure is installed above the through hole of the fire nozzle during use.

[0016] Beneficial effects

[0017] For the fire nozzle anti-blocking and cleaning device disclosed by the present utility model, by presetting a program on the PLC, the moving block is moved to a position where the dredging rod of the dredging structure just aligns with the lower through hole, and then the dredging structure is controlled to start to clean and dredge the through hole. The cleaning and dredging of a row of through holes can be realized at one time, and the number of dredging structures to be started can be controlled according to the number of through holes in each row. The fire nozzle anti-blocking and cleaning device replaces manual operation, improves work efficiency and reduces labor input, saving time and effort. Description of the drawings

[0018] Figure 1 . Schematic diagram of the fire nozzle anti-blocking and cleaning device of the present utility model and the fire nozzle structure;

[0019] Figure 2 . Schematic diagram of the structure of the fire nozzle anti-blocking and cleaning device of the present utility model;

[0020] Figure 3 . Schematic diagram of the internal structure of the fire nozzle anti-blocking and cleaning device of the present utility model;

[0021] Figure 4 . Schematic diagram of a partial structure of the fire nozzle anti-blocking and cleaning device of the present utility model;

[0022] Figure 5 . Schematic diagram of the dredging structure in the fire nozzle anti-blocking and cleaning device of the present utility model;

[0023] Among them, each reference numeral is respectively: 1, the fire pipe orifice; 2, the moving guide rail; 21, the rack; 22, the mating groove; 3, the moving structure; 31, the first motor; 32, the rotating shaft; 33, the rotating wheel; 34, the guiding block; 341, the roller; 4, the dredging structure; 41, the second motor; 42, the mounting plate; 43, the iron sheet; 44, the guiding groove; 45, the spring; 46, the dredging rod; 47, the electromagnet. Detailed implementation manners

[0024] The present utility model will be described in detail below in conjunction with embodiments, so that those skilled in the art can better understand the present utility model, but the present utility model is not limited to the following embodiments.

[0025] A fire pipe orifice 1 anti-blocking and cleaning device includes a moving guide rail 2, a moving structure 3 and a PLC.

[0026] A groove leading to the interior is provided on one side of the moving guide rail 2, and a rack 21 is fixedly connected inside the moving guide rail 2. Both ends of the moving structure 3 are respectively provided with the moving guide rail 2. The moving structure 3 includes a housing, a first motor 31, a rotating shaft 32, a rotating wheel 33, a guiding block 34 and a dredging structure 4. The rotating shaft 32 passes through the housing and a guiding block 34 and a rotating wheel 33 are respectively provided at both ends. The guiding block 34 is fixedly connected to the housing and is in clearance fit with the groove. The guiding block 34 is rotatably connected to the rotating shaft 32, and the rotating wheel 33 is fixedly connected to the rotating shaft 32. Teeth are provided on the outside of the rotating wheel 33, and the rotating wheel 33 meshes with the rack 21. Further, rollers 341 are respectively provided at the upper and lower ends of the guiding block 34, and a mating groove 22 for cooperating with the rollers 341 is provided on the moving guide rail 2. The first motor 31 is located inside the housing, a first gear disk is fixedly connected to the output end of the first motor 31, a second gear disk is provided in the middle of the rotating shaft 32, and the first gear disk meshes with the second gear disk.

[0027] The dredging structure 4 includes a second motor 41, a mounting plate 42, a mounting frame, an iron sheet 43, a spring 45, a dredging rod 46 and an electromagnet 47. The mounting frame is fixedly connected inside the housing. Guiding grooves 44 are respectively provided on both sides of the mounting frame. The mounting plate 42 is located inside the mounting frame and is slidably connected to the mounting frame through the guiding grooves 44. The second motor 41 is fixedly connected to the mounting plate 42. An iron sheet 43 is fixedly connected to the lower end of the mounting plate 42. The output end of the second motor 41 is fixedly connected to a dredging rod 46. The upper end of the dredging rod 46 is a vertical rod, and the lower end is spirally bent. The dredging rod 46 passes through the mounting plate 42, the iron sheet 43 and the housing, so that the spiral lower end is located outside the housing. A spring 45 is provided between the iron sheet 43 and the housing, and an electromagnet 47 is provided outside the housing. The electromagnet 47 is opposite to the iron sheet 43. A plurality of dredging structures 4 are provided, and the distance between adjacent two dredging structures 4 is equal to the distance between adjacent two through holes on the fire pipe orifice 1.

[0028] The first motor 31, the second motor 41, and the electromagnet 47 are respectively connected to the PLC.

[0029] When in use, the anti-blocking and cleaning device of the fire nozzle 1 is installed above the fire nozzle 1, as Figure 1 shown. The moving guide rails 2 at both ends of the moving structure 3 are respectively fixedly connected to the vertical wall surface, and this wall surface can be a self-set shelf. Start the first motor 31, and the first motor 31 drives the first gear disk to rotate, so that the second gear disk meshing with the first gear disk rotates, so that the rotating shaft 32 rotates and drives the rotating wheels 33 at both ends to move on the rack 21 inside the moving guide rail 2, so that the housing rotatably connected to the rotating shaft 32 moves. Since the guide block 34 is in clearance fit with the groove, it can prevent the housing from rotating during the movement. During the movement of the guide block 34, the roller 341 rolls in the mating groove 22, reducing friction and facilitating movement. After the electromagnet 47 is energized, it can attract the iron sheet 43 to move downward, compressing the spring 45, so that the mounting plate 42 fixedly connected to the iron sheet 43 moves downward, so that the second motor 41 moves downward and the dredging rod 46 moves downward. When the electromagnet 47 is powered off, under the action of the spring 45, the iron sheet 43, the mounting plate 42, the second motor 41, and the dredging rod 46 move upward to return to their original positions. The guide groove 44 on the mounting frame plays a guiding role in the up and down movement of the iron sheet 43, the mounting plate 42, the second motor 41, and the dredging rod 46. The through holes on the fire nozzle 1 do not have the same number in each row. Generally speaking, the number of through holes in each row near the edge is less than the number of through holes in each row located in the middle.

[0030] For the fire nozzle anti-blocking and cleaning device provided by the present invention, the PLC controls the first motor 31 to move the moving block to a position where the dredging rod 46 of the dredging structure 4 just aligns with the through hole below, and then turns off the first motor 31. Then the PLC only controls the second motor 41 of the dredging structure 4 with through holes below to start, so that the dredging rod 46 rotates. Then the PLC controls the electromagnets 47 of these dredging structures 4 to be energized, so that the iron sheet 43, the mounting plate 42, the second motor 41, and the dredging rod 46 move downward, so that the spiral lower end of the dredging rod 46 rotates and enters the through hole to clean and dredge the through hole. Then the PLC controls the electromagnets 47 of these dredging structures 4 to be powered off, and the spring 45 rebounds to make the iron sheet 43, the mounting plate 42, the second motor 41, and the dredging rod 46 move upward. The PLC controls the second motor 41 of these dredging structures 4 to be turned off, and controls the first motor 31 to move the moving structure 3 to a position where the dredging rod 46 of the dredging structure 4 just aligns with the next row of through holes, and repeats the above operations until all the through holes of the fire nozzle 1 are cleaned and dredged.

[0031] The above are only the embodiments of the present invention, and do not limit the patent scope of the present invention. All equivalent structures or equivalent process transformations made using the description of the present invention, or directly or indirectly applied in other related technical fields, are equally included in the patent protection scope of the present invention.

Claims

1. A fire nozzle anti-blocking and cleaning device, comprising a moving guide rail (2), a moving structure (3) and a PLC, characterized in that: A groove leading to the interior is provided on one side of the moving guide rail (2), and a rack (21) is provided inside the moving guide rail (2); The moving structure (3) includes a housing, a first motor (31), a rotating shaft (32), a rotating wheel (33), a guiding block (34) and a dredging structure (4). The two ends of the moving structure (3) are respectively provided with the moving guide rail (2); wherein, the dredging structure (4) includes a second motor (41), a mounting plate (42), a mounting bracket, an iron sheet (43), a spring (45), a dredging rod (46) and an electromagnet (47). The mounting bracket is fixedly connected to the inside of the housing, guiding grooves (44) are respectively provided on both sides of the mounting bracket, the mounting plate (42) is located inside the mounting bracket and is slidably connected to the mounting bracket through the guiding grooves (44), the second motor (41) is fixedly connected to the mounting plate (42), an iron sheet (43) is fixedly connected to the lower end of the mounting plate (42), the output end of the second motor (41) is fixedly connected to the dredging rod (46), the upper end of the dredging rod (46) is a vertical rod, and the lower end is spirally bent. The dredging rod (46) passes through the mounting plate (42), the iron sheet (43) and the housing, so that the spiral lower end is located outside the housing.

2. The fire nozzle anti-blocking and cleaning device according to claim 1, characterized in that: The rotating shaft (32) passes through the housing, and a guiding block (34) and a rotating wheel (33) are respectively provided at both ends. The guiding block (34) is fixedly connected to the housing and is in clearance fit with the groove. The guiding block (34) is rotatably connected to the rotating shaft (32), and the rotating wheel (33) is fixedly connected to the rotating shaft (32).

3. The anti-blocking and cleaning device for the fire nozzle according to claim 1, wherein: Teeth are provided on the outer side of the rotating wheel (33), and the rotating wheel (33) meshes with the rack (21).

4. The fire nozzle anti-blocking and cleaning device according to claim 1, characterized in that: Rollers (341) are respectively provided at the upper and lower ends of the guiding block (34), and a mating groove (22) for cooperating with the rollers (341) is provided on the moving guide rail (2).

5. The fire tube orifice anti-blocking and cleaning device according to claim 1, wherein: The first motor (31) is located inside the housing, a first gear disk is fixedly connected to the output end of the first motor (31), a second gear disk is provided in the middle of the rotating shaft (32), and the first gear disk meshes with the second gear disk.

6. The anti-blocking and cleaning device for the fire pipe orifice according to claim 1, characterized in that: A spring (45) is provided between the iron sheet (43) and the housing, and an electromagnet (47) is provided outside the housing.

7. The fire nozzle anti-blocking and cleaning device according to claim 6, wherein: The iron sheet (43) is arranged opposite to the electromagnet (47).

8. The anti-blocking and cleaning device for the fire nozzle according to claim 1, characterized in that: The first motor (31), the second motor (41) and the electromagnet (47) are respectively connected to the PLC.

9. The anti-blocking and cleaning device for the fire nozzle according to claim 1, wherein: A plurality of the dredging structures (4) are provided, and the distance between two adjacent dredging structures (4) is equal to the distance between two adjacent through holes on the surface of the fire nozzle (1).

10. The fire nozzle anti-blocking and cleaning device according to any one of claims 1-9, characterized in that: When in use, the dredging structure (4) is installed above the through hole of the fire nozzle (1).

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