Modularized small boiler smoke tube ash removal device

Abstract

The invention relates to a modularized small boiler smoke tube ash removal device, and belongs to the technical field of boiler smoke tube ash removal. According to the structure, the device is composed of a transmission module, a control module, a dust collection module and a driven module, each module at least adopts any combination, all the modules are coaxially and linearly arranged and connected, and the dust collection module is arranged at the foremost end; a brush head driving motor is arranged in the dust removal module, an output shaft of the brush head driving motor extends out of the shell and is connected with a rotary brush head through a self-lubricating copper sleeve, and the diameter of the rotary brush head is larger than or equal to that of an inner hole of the boiler smoke tube. The device can autonomously advance in the smoke pipe, is miniaturized and modularized, integrates the functions of ash removal, dust collection, visual monitoring and remote control, and solves the problems that a traditional ash removal technology is low in efficiency, dangerous in operation and difficult to adapt to the narrow smoke pipe environment.

Description

Technical Field

[0001] The present invention relates to a modular small boiler flue tube soot cleaning device, belonging to the technical field of boiler flue tube soot cleaning. Background Art

[0002] Existing boiler flue tube soot cleaning usually adopts manual soot cleaning, which has the disadvantages of relying on manpower to push the brush head, high labor intensity, easy to cause safety accidents, and difficult to cover long flue tubes. In order to improve the soot cleaning efficiency, technicians have developed a large number of boiler flue tube soot cleaning devices. Existing soot cleaning devices are mostly of fixed structures, unable to be flexibly adjusted according to the flue tube size, lacking integrated functions such as real-time monitoring and dust suction synchronization, and lacking modular design. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a modular small boiler flue tube soot cleaning device, which can move forward independently in the flue tube, is miniaturized and modular, integrates functions of soot cleaning, dust suction, visual monitoring and remote control, and solves the problems of low efficiency, dangerous operation and difficulty in adapting to narrow flue tube environments of traditional soot cleaning technologies.

[0004] To solve the above problems, the specific technical solution of the present invention is as follows: A modular small boiler flue tube soot cleaning device is composed of a transmission module, a control module, a dust suction module and a driven module. Each module is at least adopted in an arbitrary combination, and all modules are arranged coaxially in a straight line and connected. And the dust removal module is arranged at the forefront; a brush head driving motor is arranged in the dust removal module, the output shaft of the brush head driving motor extends out of the housing, and is connected to a rotating brush head through a self-lubricating copper sleeve, and the diameter of the rotating brush head is greater than or equal to the inner hole diameter of the boiler flue tube.

[0005] The transmission module includes moving wheels, bevel gear sets, spline shafts and bidirectional motors. The bidirectional motors are located on one side of the housing. The output shaft of the bidirectional motor is connected to a gear of the bevel gear set. Another gear of the bevel gear set is coaxially arranged with the spline shaft. Both ends of the spline shaft are supported by bearings on the other side of the housing, and the moving wheels are respectively fixedly connected to both ends of the spline shaft.

[0006] The driven module includes moving wheels and a driven rotating shaft. Both ends of the driven rotating shaft are supported by bearings at the corresponding housing locations, and moving wheels are respectively connected to both ends of the driven rotating shaft.

[0007] A pre-tightening mechanism is arranged between the two moving wheels of the same housing. The pre-tightening mechanism includes a positioning frame, an elastic frame, a pre-tightening spring and a pre-tightening wheel. The positioning frame is of a U-shaped groove structure and is positioned between the two moving wheels. One end of the elastic frame is connected through a pin shaft in the positioning frame, and the other end of the positioning frame is connected to the pre-tightening wheel through a pin shaft; an upper baffle is arranged at the upper end of the positioning frame, and a pre-tightening torsion spring is coaxially arranged on the pin shaft connected to the positioning frame. One end of the pre-tightening torsion spring is supported on the positioning frame, and the other end is supported on the upper baffle.

[0008] The radial section of the moving wheel is trapezoidal, the outer end face diameter is smaller than the inner end face diameter, and the outer circumference of the moving wheel is made of rubber material with patterns.

[0009] The control module is provided with a central controller, and the central controller controls the electrical components in each module by wire or wirelessly; a power supply battery is arranged on one side of the central controller, and the power supply battery is connected to the power supply of the central controller.

[0010] A lighting device and a camera are arranged on the outer shell of the control module, and the lighting device and the camera face the direction of the rotating brush head; and the power supply line and the data line of the lighting device and the camera are connected to the central controller.

[0011] The dust suction module includes a turbine dust suction fan, a labyrinth seal ring and a filter screen; the turbine dust suction fan is located inside one side of the corresponding outer shell, and the inner end of the turbine dust suction fan is connected to the filter screen through a quick-release clamp; two upper and lower dust suction ports are arranged on the other side of the corresponding outer shell, a labyrinth seal ring is arranged at the dust suction port, and the outlet of the labyrinth seal ring corresponds to the position of the filter screen.

[0012] The bristles of the rotating brush head are arranged in a spiral structure, and the diameter of the rotating brush head is 1-2 mm larger than the inner hole diameter of the boiler flue pipe.

[0013] The outer shell of each module is of a cylindrical or polyhedron structure; the end faces of two adjacent modules are inserted and positioned or connected by threads.

[0014] The modular small boiler flue pipe ash cleaning device of the present application adopts the above structure and has the following advantages: 1. According to different working environments and working contents, different numbers of driving modules, control modules, dust suction modules and driven modules can be selected, and the positions can be arbitrarily planned to ensure the support strength and moving speed of the overall device; 2. The hexagonal plug-in structure is adopted between the modules, which not only facilitates the connection between the modules, but also is more suitable for position swapping and is more convenient to use; 3. The moving wheel adopts a trapezoidal structure with a small outer end face diameter and a large inner end face diameter, which increases the contact area with the pipe wall and is more suitable for moving inside the pipeline. In addition, the pre-tightening wheel structure is adopted to ensure that the moving wheel fits the pipe wall during the movement of the overall device and prevent shaking. Description of the Drawings

[0015] Figure 1 It is a three-dimensional view of the modular small boiler flue pipe ash cleaning device.

[0016] Figure 2 is Figure 1 The sectional view of.

[0017] Figure 3 is Figure 2Enlarged view of part A

[0018] Figure 4 is Figure 2 Enlarged view of part B

[0019] Figure 5 is is Figure 4 Cross-sectional view taken along line C-C

[0020] Figure 6 Isometric view of the pre-tightening mechanism

[0021] Figure 7 is Figure 5 Cross-sectional view Detailed implementation mode

[0022] As Figures 1 to 4 shown, a modular small boiler flue tube soot cleaning device is composed of a transmission module 1, a control module 2, a dust suction module 3 and a driven module 4. Each module adopts at least one arbitrary combination, and all modules are coaxially arranged and connected in a straight line, and the dust removal module 5 is arranged at the front end; the housing 6 of each module is a cylindrical or polyhedron structure; the end faces of two adjacent modules are inserted and positioned or connected by threads; in this embodiment, the housing 6 of each module is a cylindrical structure, and the end faces of two adjacent modules are provided with a hexagonal slot and a hexagonal buckle, and the hexagonal buckle is inserted and matched with the hexagonal slot. To ensure the connection strength of adjacent modules, bolts and the like are arranged at adjacent positions at the insertion to perform secondary connection and positioning; a brush head driving motor 501 is arranged in the dust removal module, the output shaft of the brush head driving motor 501 extends out of the housing 6 and is connected to a rotating brush head 503 through a self-lubricating copper sleeve 502, the bristles of the rotating brush head 503 are distributed in a spiral structure, and the diameter of the rotating brush head 503 is 1-2 mm larger than the inner hole diameter of the boiler flue tube. Each module in this device has an independent function, and according to actual needs, can be arbitrarily combined to achieve the purposes of moving, soot cleaning, dust suction, lighting and monitoring inside the flue tube, so as to ensure the efficiency and quality of soot cleaning.

[0023] The transmission module 1 includes a moving wheel 7, a bevel gear set 102, a spline shaft 103 and a bidirectional motor 104. The bidirectional motor 104 is located on one side of the housing 6, the output shaft of the bidirectional motor 104 is connected to one gear of the bevel gear set 102, the other gear of the bevel gear set 102 is coaxially arranged with the spline shaft 103, and both ends of the spline shaft 103 are supported by bearings on the other side of the housing 6. The moving wheels 7 are respectively fixedly connected to both ends of the spline shaft 103. The transmission module 1 is the main power source of this device, and the power of the bidirectional motor 104 is reversed through the bevel gear set 102 and transmitted to the moving wheels 7.

[0024] The driven module 4 includes a moving wheel 7 and a driven rotating shaft 402. Both ends of the driven rotating shaft 402 are supported by bearings at the corresponding outer shells, and the moving wheels 7 are respectively connected to both ends of the driven rotating shaft 402. There is no motor provided inside the driven module 4, and it is used in conjunction with the transmission module 1.

[0025] A pre-tightening mechanism is provided between the two moving wheels 7 of the same outer shell 6, such as Figure 6 and Figure 7 shown. The pre-tightening mechanism includes a positioning frame 105, a spring force frame 106, a pre-tightening spring 107, and a pre-tightening wheel 108. The positioning frame 105 is of a U-shaped groove structure and is positioned between the two moving wheels 7. One end of the spring force frame 106 is connected inside the positioning frame 105 through a pin shaft, and the other end of the positioning frame 105 is connected to the pre-tightening wheel 108 through a pin shaft; an upper baffle 109 is provided at the upper end of the positioning frame 105, and a pre-tightening torsion spring 107 is coaxially arranged on the pin shaft connected to the positioning frame 105. One end of the pre-tightening torsion spring 107 is supported on the positioning frame 105, and the other end is supported on the upper baffle 109. The radial section of the moving wheel 7 is trapezoidal, the outer end face diameter is smaller than the inner end face diameter, and the outer circumference of the moving wheel 7 is made of rubber material with patterns. The pre-tightening wheel 108 is supported on the inner wall of the smoke pipe through the pre-tightening torsion spring 107, and at the same time, the two side moving wheels 7 are also pressed against the inner wall of the smoke pipe in the reverse direction to completely fit, thereby preventing the overall device from shaking during operation. At the same time, under the adjustment of the pre-tightening torsion spring 107, even if the pipe wall is uneven, the overall device can still operate smoothly. This pre-tightening mechanism is used in conjunction with the moving wheel 7 and can be increased or decreased according to the internal situation of the pipeline.

[0026] A central controller 201 is provided inside the control module 2. The central controller 201 controls the electrical components in each module by wire or wirelessly; a power supply battery 202 is provided on one side of the central controller 201, and the power supply battery 202 is connected to the power supply of the central controller 201. The central controller 201 can control the start and stop of the brush head drive motor 501, the bidirectional motor 104, the turbine dust suction fan 301, and the lighting or camera 202. The power supply battery 202 provides power support for the brush head drive motor 501, the bidirectional motor 104, the turbine dust suction fan 301, and the lighting or camera 202.

[0027] A lighting and camera 202 is provided on the outer shell 6 of the control module 2, and the lighting and camera 202 faces the direction of the rotating brush head 503; and the power supply line and data line of the lighting and camera 202 are connected to the central controller 201. Users can, according to actual needs, use the lighting to illuminate the inside of the smoke pipe and use the camera to collect the images inside the smoke pipe to judge the cleaning effect of the pipe wall.

[0028] The dust suction module 3 includes a turbine dust suction fan 301, a labyrinth seal ring 302, and a filter screen 303; the turbine dust suction fan 301 is located inside one side of the housing 6, and the inner end of the turbine dust suction fan 301 is connected to the filter screen 303 through a quick-release clamp 304; there are two upper and lower dust suction ports 305 provided on the other side of the housing 6, a labyrinth seal ring 302 is provided at the dust suction port 305, and the outlet of the labyrinth seal ring 302 corresponds to the position of the filter screen 303. The labyrinth seal ring 302 is used to prevent interference between the two upper and lower dust suction ports 305, such as Figure 5 shown, the dust inlet paths of the two upper and lower dust suction ports 305 are different, thereby improving the dust suction efficiency.

Claims

1. A modular small boiler flue tube soot cleaning device, characterized in that: It is composed of a transmission module (1), a control module (2), a dust suction module (3) and a driven module (4). Each module adopts at least one arbitrary combination, and all modules are coaxially arranged and connected in a straight line, and the dust removal module (5) is arranged at the front end; a brush head drive motor (501) is arranged in the dust removal module. The output shaft of the brush head drive motor (501) extends out of the housing (6) and is connected to the rotating brush head (503) through a self-lubricating copper sleeve (502). The diameter of the rotating brush head (503) is greater than or equal to the inner hole diameter of the boiler flue tube.

2. The modular small boiler flue tube soot cleaning device according to claim 1, wherein: The transmission module (1) includes a moving wheel (7), a bevel gear set (102), a spline shaft (103) and a bidirectional motor (104). The bidirectional motor (104) is located on one side of the housing (6). The output shaft of the bidirectional motor (104) is connected to a gear of the bevel gear set (102). Another gear of the bevel gear set (102) is coaxially arranged with the spline shaft (103). Both ends of the spline shaft (103) are supported by bearings on the other side of the housing (6). The moving wheels (7) are respectively fixedly connected to both ends of the spline shaft (103).

3. The modular small boiler flue tube soot cleaning device according to claim 1, characterized in that: The driven module (4) includes a moving wheel (7) and a driven rotating shaft (402). Both ends of the driven rotating shaft (402) are supported by bearings at the corresponding housing. Moving wheels (7) are respectively connected to both ends of the driven rotating shaft (402).

4. The modular small boiler flue tube soot cleaning device according to claim 2 or 3, characterized in that: A pre-tightening mechanism is arranged between the two moving wheels (7) of the same housing (6). The pre-tightening mechanism includes a positioning frame (105), a spring force frame (106), a pre-tightening spring (107) and a pre-tightening wheel (108). The positioning frame (105) is of a U-shaped groove structure and is positioned between the two moving wheels (7). One end of the spring force frame (106) is connected in the positioning frame (105) through a pin shaft. The other end of the positioning frame (105) is connected to the pre-tightening wheel (108) through a pin shaft; an upper baffle (109) is arranged at the upper end of the positioning frame (105). A pre-tightening torsion spring (107) is coaxially arranged on the pin shaft connected to the positioning frame (105). One end of the pre-tightening torsion spring (107) is supported on the positioning frame (105), and the other end is supported on the upper baffle (109).

5. The modular small boiler flue tube soot cleaning device according to claim 2 or 3, characterized in that: The radial section of the moving wheel (7) is trapezoidal, the outer end face diameter is smaller than the inner end face diameter, and the outer circumference of the moving wheel (7) is made of rubber material with patterns.

6. The modular small boiler flue tube soot cleaning device according to claim 1, characterized in that: A central controller (201) is arranged in the control module (2). The central controller (201) controls the electrical components in each module by wire or wirelessly; a power supply battery (202) is arranged on one side of the central controller (201). The power supply battery (202) is connected to the power supply of the central controller (201).

7. The modular small boiler flue tube soot cleaning device according to claim 6, characterized in that: A lighting and camera (202) is arranged on the housing (6) of the control module (2). The lighting and camera (202) faces the direction of the rotating brush head (503); and the power cord and data line of the lighting and camera (202) are connected to the central controller (201).

8. The modular small boiler flue tube soot cleaning device according to claim 1, characterized in that: The dust suction module (3) includes a turbine dust suction fan (301), a labyrinth seal ring (302) and a filter screen (303); the turbine dust suction fan (301) is located inside one side of the housing (6) where it is located, and the inner end of the turbine dust suction fan (301) is connected to the filter screen (303) through a quick-release clamp (304); there are two upper and lower dust suction ports (305) provided on the other side of the housing (6) where it is located, a labyrinth seal ring (302) is provided at the dust suction port (305), and the outlet of the labyrinth seal ring (302) corresponds to the position of the filter screen (303).

9. The modular small boiler flue tube soot cleaning device according to claim 1, characterized in that: The bristles of the rotating brush head (503) are arranged in a spiral structure, and the diameter of the rotating brush head (503) is 1-2 mm larger than the inner hole diameter of the boiler flue tube.

10. The modular small boiler flue tube soot cleaning device according to claim 1, characterized in that: The housing (6) of each module is of a cylindrical or polyhedron structure; the end faces of two adjacent modules are plugged and positioned or connected by threads.

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