Automatic ash removal device for boiler

Abstract

The utility model discloses an automatic boiler ash cleaning device which comprises a supporting column, a cross beam is arranged above the supporting column, a first guide rail is arranged above the cross beam, first sliding blocks are arranged on the two sides above the first guide rail, a movable frame is arranged above the two first sliding blocks, a first gear is arranged on an output shaft of a gearbox, and a second gear is arranged on an output shaft of the gearbox. A rack meshed with the first gear is arranged on the cross beam, a box body is arranged on the side, away from the cross beam, of the movable frame, a second motor is arranged on the side, close to the first motor, of the box body, a rotating shaft of the second motor penetrates through the box body to be fixedly connected with the second gear, and an air spraying pipe is inserted in the position, below the second motor, of the box body. According to the ash removal device, automatic ash removal of the boiler replaces operation of workers, the production safety coefficient is improved, the manual labor intensity is reduced, the ash removal device can continuously run without shutdown, and the risk that the boiler is blocked due to the fact that smoke dust on the wall of the boiler is seriously accumulated is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler ash cleaning, in particular to an automatic boiler ash cleaning device. Background Art

[0002] A boiler is a device that can convert energy. The energy input to the boiler includes chemical energy and electrical energy in the fuel. The boiler outputs steam, high-temperature water or organic heat carrier with a certain amount of thermal energy. In order to facilitate the use of the boiler, the boiler needs to be cleaned. Existing boiler cleaning is mostly done by manual machinery knocking on the boiler wall and cleaning the accumulated dust in the pipes through vibration. The manual labor intensity is high, the temperature of the smoke is high, and there is a risk of burns in manual cleaning. In addition, manual intermittent operation cannot continuously clean the smoke dust on the boiler wall, which easily causes smoke dust accumulation and becomes more difficult to clean. For this reason, we have proposed an automatic boiler cleaning device. Utility Model Content

[0003] To address the above-mentioned issues, the present invention provides an automatic boiler ash cleaning device. This device addresses the existing problem that boiler ash cleaning is mostly done manually by mechanically knocking on the boiler wall and using vibration to clean the ash accumulated in the pipes. This is labor-intensive, the smoke dust is hot, and there is a risk of burns from manual ash cleaning. In addition, manual ash cleaning is intermittent and cannot continuously clean the smoke dust on the boiler wall, which easily causes smoke dust accumulation and makes it more difficult to clean.

[0004] The utility model provides an automatic boiler ash cleaning device, comprising a support column, a crossbeam is provided above the support column, a first guide rail is provided above the crossbeam, first sliders are provided on both sides above the first guide rail, a movable frame is provided above the two first sliders, a gearbox is provided above the movable frame on the side close to the crossbeam, a first motor is provided on one side of the gearbox, a first gear is provided on the output shaft of the gearbox, a rack meshed with the first gear is provided on the crossbeam, a box is provided on the side of the movable frame away from the crossbeam, a second motor is provided on the side of the box close to the first motor, a rotating shaft of the second motor passes through the box and is fixedly connected to the second gear, an injection pipe is inserted into the box below the second motor, a gear ring meshed with the second gear is sleeved on the outer side of the injection pipe, and a plurality of equidistantly arranged nozzles are provided on the side of the injection pipe away from the second motor.

[0005] In the above solution, the air injection pipe is connected to the connecting pipe on the side close to the second motor.

[0006] In the above solution, a second sliding block is provided on the side wall of the movable frame close to the crossbeam, and a second guide rail matching the second sliding block is provided on the crossbeam.

[0007] In the above solution, a connecting plate is provided on the side of the crossbeam away from the supporting column, and four connecting holes arranged in a matrix are provided on the outer side of the connecting plate.

[0008] In the above solution, a base plate is provided below the support column, and four mounting holes arranged in a matrix are provided on the outer side of the base plate.

[0009] In the above solution, both the first motor and the second motor are servo motors.

[0010] The advantages and beneficial effects of the present invention are as follows: the present invention provides an automatic boiler dust cleaning device. During the rotation of the first gear, the engagement between the first gear and the rack enables the gearbox to drive the movable frame and the box to move horizontally. During the movement of the box, the jet pipe also moves accordingly, so that the jet pipe can automatically enter the boiler. Driven by the second gear, the gear ring engaged with the second gear can drive the jet pipe to rotate. During the rotation of the jet pipe, the angle of the nozzle also changes. By adjusting the position of the nozzle, the airflow ejected from the nozzle can clean different positions of the inner wall of the boiler. With this dust cleaning device, the automatic dust cleaning of the boiler replaces the operation of workers, improves the production safety factor, reduces the intensity of manual labor, and the dust cleaning device can operate continuously without stopping, reducing the risk of boiler blockage caused by serious accumulation of smoke and dust on the boiler wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0012] Figure 1 It is a structural diagram of the utility model;

[0013] Figure 2 This is a schematic structural diagram of part A of the utility model;

[0014] Figure 3 It is a cross-sectional view of the box body of the present utility model.

[0015] In the figure: 1, support column 2, crossbeam 3, first guide rail 4, first slider

[0016] 5. Movable frame 6. Gearbox 7. First motor 8. First gear

[0017] 9. Box 10. Second motor 11. Second gear 12. Jet pipe

[0018] 13, gear ring 14, nozzle 15, connecting pipe 16, second slider

[0019] 17, second guide rail 18, connecting plate 19, connecting hole 20, bottom plate

[0020] 21. Mounting hole 22. Rack. DETAILED DESCRIPTION

[0021] The following embodiments are used to further describe the specific embodiments of the present invention in conjunction with the accompanying drawings and examples. The following embodiments are only used to more clearly illustrate the technical solutions of the present invention and are not intended to limit the scope of protection of the present invention.

[0022] like Figure 1-3 As shown, the utility model is an automatic ash cleaning device for a boiler, comprising a support column 1, a crossbeam 2 is provided above the support column 1, a first guide rail 3 is provided above the crossbeam 2, first sliders 4 are on both sides above the first guide rail 3, the first sliders 4 are movably connected to the first guide rail 3, the first sliders 4 can slide on the first guide rail 3, and the first sliders 4 cooperate with the first guide rail 3 to make the movable frame 5 reciprocate in the horizontal direction, a movable frame 5 is provided above the two first sliders 4, a gearbox 6 is provided above the movable frame 5 near the crossbeam 2, a first motor 7 is provided on one side of the gearbox 6, an output shaft of the first motor 7 is transmission-connected with the gearbox 6, a first gear 8 is provided on the output shaft of the gearbox 6, a rack 22 meshing with the first gear 8 is provided on the crossbeam 2, and when the first motor 7 is working, the first gear 8 is rotated by the transmission of the gearbox 6. In the process of rotation of the first gear 8, the gearbox 8 is engaged with the rack 22 The gearbox 6 is engaged so that the movable frame 5 can drive the movable frame 5 to move back and forth in the horizontal direction. A box body 9 is provided on the side of the movable frame 5 away from the crossbeam 2. A second motor 10 is provided on the side of the box body 9 close to the first motor 7. The rotating shaft of the second motor 10 passes through the box body 9 and is fixedly connected to the second gear 11. The box body 9 is located below the second motor 10 and is plugged with an injection pipe 12. The injection pipe 12 is movably connected to the side wall of the box body 9. A gear ring 13 meshing with the second gear 11 is sleeved on the outside of the injection pipe 12. A plurality of equidistantly arranged nozzles 14 are provided on the side of the injection pipe 12 away from the second motor 10. When the second motor 10 is working, the second motor 10 drives the second gear 11 to rotate. Driven by the second gear 11, the gear ring 13 meshing with the second gear 11 can drive the injection pipe 12 to rotate. During the rotation of the injection pipe 12, the angle of the nozzle 14 also changes. By adjusting the position of the nozzle 14, the airflow ejected by the nozzle 14 can clean different positions of the inner wall of the boiler.

[0023] The side of the air injection pipe 12 close to the second motor 10 is connected to the connecting pipe 15 , and the air injection pipe 12 can be connected to an external high-pressure gas source through the connecting pipe 15 .

[0024] A second slider 16 is provided on the side wall of the movable frame 5 close to the beam 2, and a second guide rail 17 matching the second slider 16 is provided on the beam 2. The second slider 16 can slide on the second guide rail 17. The mutual cooperation between the second slider 16 and the second guide rail 17 effectively improves the movement stability of the movable frame 5.

[0025] A connecting plate 18 is provided on the side of the crossbeam 2 away from the support column 1 . Four connecting holes 19 arranged in a matrix are provided on the outer side of the connecting plate 18 . The crossbeam 2 can be fixedly mounted on the boiler through the connecting holes 19 on the connecting plate 18 .

[0026] A bottom plate 20 is provided below the support column 1 , and four mounting holes 21 arranged in a matrix are provided on the outer side of the bottom plate 20 , through which the dust cleaning device can be fixedly installed.

[0027] The first motor 7 and the second motor 10 are both servo motors.

[0028] Specifically, in the present invention, when cleaning the inner wall of the boiler, the crossbeam 2 can be fixedly mounted on the boiler through the connecting hole 19 on the connecting plate 18, and the jet pipe 12 is inserted into the boiler. When the first motor 7 is working, the first gear 8 is rotated by the transmission of the gearbox 6. During the rotation of the first gear 8, the gearbox 6 is engaged with the first gear 8 and the rack 22, so that the movable frame 5 and the box body 9 can be driven to move horizontally. During the movement of the box body 9, the jet pipe 12 also moves accordingly, so that the jet pipe 12 can automatically enter the boiler. The jet pipe 12 can be connected to an external high-pressure gas source through the connecting pipe 15. The second motor 10 drives the second gear 11 to rotate. Driven by the second gear 11, the gear ring 13 engaged with the second gear 11 can drive the jet pipe 12 to rotate. During the rotation of the jet pipe 12, the angle of the nozzle 14 also changes. By adjusting the position of the nozzle 14, the airflow ejected by the nozzle 14 can clean different positions of the inner wall of the boiler.

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A boiler automatic ash cleaning device, comprising a support column (1), characterized in that: A crossbeam (2) is provided above the support column (1), a first guide rail (3) is provided above the crossbeam (2), first sliders (4) are provided on both sides above the first guide rail (3), a movable frame (5) is provided above the two first sliders (4), a gearbox (6) is provided above the movable frame (5) on the side close to the crossbeam (2), a first motor (7) is provided on one side of the gearbox (6), a first gear (8) is provided on the output shaft of the gearbox (6), a rack (22) meshing with the first gear (8) is provided on the crossbeam (2), and the movable frame (5) A box body (9) is provided on the side away from the crossbeam (2), and a second motor (10) is provided on the side of the box body (9) close to the first motor (7). The rotating shaft of the second motor (10) passes through the box body (9) and is fixedly connected to the second gear (11). The box body (9) is located below the second motor (10) and is plugged with an injection pipe (12). The outer side of the injection pipe (12) is sleeved with a gear ring (13) meshing with the second gear (11). The injection pipe (12) is provided with a plurality of nozzles (14) arranged at equal intervals on the side away from the second motor (10).

2. The automatic boiler ash cleaning device according to claim 1, characterized in that: The side of the air injection pipe (12) close to the second motor (10) is connected to the connecting pipe (15).

3. The automatic boiler ash cleaning device according to claim 1, characterized in that: A second sliding block (16) is provided on the side wall of the movable frame (5) close to the crossbeam (2), and a second guide rail (17) matching the second sliding block (16) is provided on the crossbeam (2).

4. The automatic boiler ash cleaning device according to claim 1, characterized in that: A connecting plate (18) is provided on the side of the crossbeam (2) away from the supporting column (1), and four connecting holes (19) arranged in a matrix are provided on the outer side of the connecting plate (18).

5. The automatic boiler ash cleaning device according to claim 1, characterized in that: A bottom plate (20) is provided below the support column (1), and four mounting holes (21) arranged in a matrix are provided on the outside of the bottom plate (20).

6. The automatic boiler ash cleaning device according to claim 1, characterized in that: The first motor (7) and the second motor (10) are both servo motors.

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