Device for removing dirt on inner wall of boiler of thermal power plant

Abstract

The utility model relates to a thermal power plant boiler inner wall dirt removing device which comprises a cleaning structure, a mounting base, an angle adjusting mechanism, a horizontal moving mechanism and a vertical moving mechanism, the angle adjusting mechanism is arranged on the mounting base and used for adjusting the pitch angle of the cleaning mechanism relative to the ground, and the horizontal moving mechanism is arranged on the angle adjusting mechanism and used for adjusting the pitch angle of the cleaning mechanism relative to the ground. The horizontal moving mechanism is arranged on the base and used for driving the cleaning mechanism to move in the horizontal direction, the vertical moving mechanism is arranged on the horizontal moving mechanism and used for driving the cleaning mechanism to move in the vertical direction, and the cleaning mechanism is connected with the vertical moving mechanism. According to the technical scheme, on the basis that the horizontal position and the vertical position of the cleaning mechanism are adjusted, the working angle of the cleaning mechanism is further flexibly adjusted through the angle adjusting mechanism, and the convenience and the high efficiency of cleaning dirt on the inner wall of the boiler are improved.

Description

Technical Field

[0001] The present disclosure relates to the technical field of thermal power generation, and in particular to a device for removing dirt from the inner wall of a boiler in a thermal power plant. Background Art

[0002] Thermal power boilers are essential equipment for thermal power generation. After long-term use, fouling easily accumulates on their inner walls, adversely affecting the safety and efficiency of thermal power generation. Utility model patent CN218486789U discloses a device for removing fouling from the inner walls of thermal power plant boilers. This device allows for flexible adjustment of the fouling removal assembly to improve descaling efficiency. However, it only allows for horizontal and vertical position adjustment, making it inflexible. Utility Model Content

[0003] In order to overcome the problems existing in the related art, the present disclosure provides a device for removing dirt from the inner wall of a boiler in a thermal power plant.

[0004] According to an embodiment of the present disclosure, a device for removing dirt from the inner wall of a boiler in a thermal power plant is provided, comprising:

[0005] Cleaning mechanism, used for cleaning the inner wall of the boiler;

[0006] Install the base;

[0007] An angle adjustment mechanism, provided on the mounting base, for adjusting the pitch angle of the cleaning mechanism relative to the ground;

[0008] a horizontal movement mechanism, provided on the angle adjustment mechanism, for driving the cleaning mechanism to move in a horizontal direction; and

[0009] The vertical moving mechanism is arranged on the horizontal moving mechanism and is used to drive the cleaning mechanism to move in the vertical direction. The cleaning mechanism is connected to the vertical moving mechanism.

[0010] Optionally, the angle adjustment mechanism includes an angle adjustment motor and an angle adjustment gear ring, wherein the angle adjustment motor is arranged on the mounting base, the horizontal movement mechanism is arranged on the angle adjustment gear ring, and the output end of the angle adjustment motor is provided with an angle adjustment power output gear, and the angle adjustment power output gear is engaged with the angle adjustment gear ring.

[0011] Optionally, the horizontal movement mechanism includes a horizontal movement adjustment motor and a horizontal movement slide rail, wherein the horizontal movement adjustment motor is arranged on the vertical movement mechanism, the horizontal movement slide rail is provided with a horizontal movement rack extending along the horizontal movement direction, and the output end of the horizontal movement adjustment motor is provided with a horizontal power output gear, and the horizontal power output gear is engaged with the horizontal movement rack.

[0012] Optionally, the vertical movement mechanism includes a vertical movement adjustment motor and a vertical movement slide rail, wherein the vertical movement slide rail is provided with a vertical movement rack extending in the vertical direction, and the output end of the vertical movement adjustment motor is provided with a vertical power output gear, and the vertical power output gear is engaged with the vertical movement rack.

[0013] Optionally, the device for removing dirt from the inner wall of a boiler in a thermal power plant further includes an extending mechanism for driving the cleaning mechanism to a predetermined position on the inner wall of the boiler to be cleaned, the extending mechanism being arranged on the vertical moving mechanism, and the cleaning mechanism being arranged on the extending mechanism.

[0014] Optionally, the extension mechanism includes a base mounting tube, an extension movement tube and a driving threaded rod, the base mounting tube is arranged on the vertical moving mechanism, the extension movement tube is movably sleeved in the base mounting tube, the driving threaded rod is sleeved in the extension movement tube and one end of the driving threaded rod is rotatably arranged on the mounting base, the inner wall of the extension movement tube is provided with an internal thread that can cooperate with the thread of the driving threaded rod, and the cleaning mechanism is connected to the extension movement tube.

[0015] Optionally, the cleaning mechanism includes a connecting shaft, a connecting rod is radially extended from the connecting shaft, a scraper is provided at the end of the connecting rod away from the connecting shaft, a rotating gear ring is provided at one end of the connecting shaft, a rotating motor is provided at the end of the extending motion tube, and a rotating gear meshing with the rotating gear ring is provided at the output end of the rotating motor.

[0016] Optionally, the connecting shaft and the extending motion tube are connected via a transfer sleeve, the rotating gear ring is arranged at one end of the transfer sleeve, the connecting shaft extends from the other end of the transfer sleeve, and are connected together by threaded fasteners that pass through the transfer sleeve and the connecting shaft in sequence along the radial direction.

[0017] Optionally, the scraper is a curved plate, and its shape is adapted to the shape of the inner wall of the boiler.

[0018] Optionally, a roller is provided at the bottom of the mounting base.

[0019] The technical solution provided by the embodiments of the present disclosure may include the following beneficial effects: the device for removing dirt from the inner wall of a boiler in a thermal power plant provided by the present disclosure can, through respectively arranged horizontal moving mechanisms, vertical moving mechanisms and angle adjustment mechanisms, adjust the horizontal and vertical positions of the cleaning mechanism, and further flexibly adjust the working angle of the cleaning mechanism through the angle adjustment mechanism, which is beneficial to improving the convenience and efficiency of cleaning dirt on the inner wall of the boiler.

[0020] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide further understanding of the present disclosure and constitute a part of the specification. Together with the following detailed description, they are used to explain the present disclosure, but do not constitute a limitation of the present disclosure.

[0022] Figure 1 It is a structural schematic diagram of a cleaning device provided by an exemplary embodiment of the present disclosure.

[0023] Figure 2 It is a schematic side sectional structural diagram of a cleaning device provided by an exemplary embodiment of the present disclosure.

[0024] Figure 3 2 is a schematic structural diagram of a horizontal movement mechanism provided by an exemplary embodiment of the present disclosure.

[0025] Figure 4 FIG. 4 is a schematic structural diagram of a horizontal movement block provided by an exemplary embodiment of the present disclosure.

[0026] Figure 5 Schematic diagram of the structure of the extension mechanism provided by the exemplary embodiment of the present disclosure.

[0027] Figure 6 It is a structural schematic diagram of a cleaning mechanism provided by an exemplary embodiment of the present disclosure.

[0028] Description of Reference Numerals

[0029] 1-Mounting base, 2-Roller, 3-Angle adjustment mechanism, 301-Angle adjustment motor, 302-Angle adjustment gear ring, 303-Angle adjustment power output gear, 4-Horizontal movement mechanism, 401-Horizontal movement slide rail, 402-Horizontal movement rack, 403-Horizontal movement block, 404-Horizontal movement adjustment motor, 405-Horizontal power output gear, 5-Vertical movement mechanism, 501-Vertical movement slide rail, 502-Vertical movement rack, 503-Vertical movement block, 504-Vertical movement adjustment motor, 505-Vertical power output gear, 6-Extension mechanism, 601-Base mounting tube, 602-Extension movement tube, 603-Drive threaded rod, 7-Cleaning mechanism, 701-Rotating motor, 702-Rotating gear ring, 703-Adapter sleeve, 704-Connecting shaft, 705-Scraper, 706-Threaded fastener. DETAILED DESCRIPTION

[0030] Exemplary embodiments will be described in detail herein, with examples illustrated in the accompanying drawings. In the following description, when referring to the drawings, identical numerals in different figures represent identical or similar elements, unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all possible embodiments consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

[0031] Unless otherwise specified, directional terms such as "upper, lower, left, and right" are defined according to the directions indicated in the corresponding drawings, while "inner" and "outer" refer to the inner and outer sides of the corresponding components themselves. In addition, the terms "first," "second," etc., used in this disclosure are intended to distinguish one element from another and do not convey sequential order or importance.

[0032] An exemplary embodiment of the present disclosure provides a device for removing dirt from the inner wall of a boiler in a thermal power plant. Specifically, the cleaning device includes a cleaning mechanism 7, a mounting base 1, an angle adjustment mechanism 3, a horizontal moving mechanism 4, and a vertical moving mechanism 5. Among them, the cleaning mechanism 7 is used to clean the inner wall of the boiler, that is, the cleaning mechanism 7 is in direct contact with the inner wall of the boiler, and can clean the dirt on the inner wall of the boiler by scraping or the like. The angle adjustment mechanism 3 is provided on the mounting base 1, and is used to adjust the pitch angle of the cleaning mechanism 7 relative to the ground. Pitch refers to the pitch angle of the cleaning device relative to the ground when the mounting base 1 is placed on the ground in normal use. The horizontal moving mechanism 4 is provided on the angle adjustment mechanism 3, and is used to drive the movement of the cleaning mechanism 7 in the horizontal direction. The vertical moving mechanism 7 is provided on the horizontal moving mechanism 4, and is used to drive the cleaning mechanism 7 to move in the vertical direction.

[0033] The cleaning mechanism 7 is connected to the vertical moving mechanism 5. The cleaning mechanism 7 can be directly connected to the vertical moving mechanism 5, or the cleaning mechanism 7 can be indirectly connected to the vertical moving mechanism 5 via the extension mechanism 6 to be described below. The cleaning mechanism 7 is connected to the vertical moving mechanism 7 so that it can move in the vertical direction under the drive of the vertical moving mechanism 7. The vertical moving mechanism 5 is arranged on the horizontal moving mechanism 4, which enables the cleaning mechanism 7 to also move in the horizontal direction under the drive of the horizontal moving mechanism 4. The horizontal moving mechanism 4 is arranged on the angle adjustment mechanism 3, which further enables the cleaning mechanism to adjust the pitch angle relative to the ground under the drive of the angle adjustment mechanism 3.

[0034] The technical solution provided by the embodiments of the present disclosure may include the following beneficial effects: the device for removing dirt from the inner wall of a boiler in a thermal power plant provided by the present disclosure can, through the separately arranged horizontal moving mechanism 4, vertical moving mechanism 5 and angle adjustment mechanism 3, adjust the horizontal position and vertical position of the cleaning mechanism, and further flexibly adjust the working angle of the cleaning mechanism 7 through the angle adjustment mechanism, which is beneficial to improving the convenience and efficiency of cleaning dirt on the inner wall of the boiler.

[0035] According to an embodiment of the present disclosure, an angle adjustment mechanism 3 is provided, such as Figure 2 As shown, the angle adjustment mechanism 3 includes an angle adjustment motor 301 and an angle adjustment gear ring 302, wherein the angle adjustment motor 301 is disposed on the mounting base 1, and the horizontal movement mechanism 4 is disposed on the angle adjustment gear ring 302. The output end of the angle adjustment motor 301 is provided with an angle adjustment power output gear 303, which meshes with the angle adjustment power output gear 303 and the angle adjustment gear ring 302. The intermeshing gear pairs enable more precise angle adjustment of the cleaning mechanism 7. Similarly, the intermeshing gear pairs used in the horizontal movement mechanism 4 and the vertical movement mechanism 5, which will be described later, as well as the arrangement of the threaded screw used in the extension mechanism 6, can provide more precise position control.

[0036] To mount the angle adjustment gear ring 302, support mounting plates can be installed on both sides of the upper surface of the mounting base 1. Each support mounting plate has a rotatable mounting slot defined on its inner side. The angle adjustment gear ring 302 rotatably engages within the slot. The angle adjustment motor 301 is fixedly mounted on one side of the support mounting plate. A power connection hole is defined on one side of the support mounting plate's lower end, through which the output end of the angle adjustment motor 301 extends.

[0037] According to an embodiment of the present disclosure, a horizontal moving mechanism 4 is provided, such as Figure 3As shown, the horizontal movement mechanism 4 includes a horizontal movement adjustment motor 404 and a horizontal movement slide 401, wherein the horizontal movement adjustment motor 404 is arranged on the vertical movement mechanism 5, and the horizontal movement slide 401 is provided with a horizontal movement rack 402 extending along the horizontal movement direction, and the output end of the horizontal movement adjustment motor 404 is provided with a horizontal power output gear 405, which is engaged with the horizontal movement rack 402. The horizontal movement slide 401 can be provided with an opening, and a horizontal movement rack 402 is provided on an inner side wall of the opening along the horizontal direction, and the horizontal movement adjustment motor 404 is arranged in the opening. Figure 4 The horizontal movement adjustment motor 404 can be fixedly welded to the vertical movement mechanism 5 through the horizontal movement block 403.

[0038] According to an embodiment of the present disclosure, a vertical moving mechanism 5 is provided, such as Figure 3 and Figure 5 As shown, the vertical movement mechanism 5 includes a vertical movement adjustment motor 504 and a vertical movement slide 501, wherein the vertical movement slide 501 is provided with a vertical movement rack 502 extending in the vertical direction, and the output end of the vertical movement adjustment motor 504 is provided with a vertical power output gear 505, which is engaged with the vertical movement rack 502. Similar to the horizontal movement mechanism 4, the vertical movement slide 501 can be provided with an opening, and a vertical movement rack 502 is provided on an inner side wall of the opening in the vertical direction, and the vertical movement adjustment motor 504 is provided in the opening. Figure 5 The horizontal straight moving adjustment motor 504 can be fixedly welded to the extension mechanism 6 through the vertical moving block 503.

[0039] In order to push the cleaning mechanism 7 to extend to a predetermined position, as shown in FIG. Figure 1 As shown, the device for removing dirt from the inner wall of a thermal power plant boiler provided by the present disclosure may further include an extension mechanism 6 for driving a cleaning mechanism 7 to a suitable position on the inner wall of the boiler to be cleaned. The extension mechanism 6 is arranged on the vertical moving mechanism 5, and the cleaning mechanism 7 is arranged on the extension mechanism 6.

[0040] According to an embodiment of the present disclosure, an extension mechanism 6 is provided, such as Figure 2As shown, the extension mechanism 6 includes a base mounting tube 601, an extension movement tube 602, and a drive threaded rod 603. The base mounting tube 601 is arranged on the vertical movement mechanism 5, the extension movement tube 602 is movably mounted in the base mounting tube 601, the drive threaded rod 603 is mounted in the extension movement tube 602, and one end of the drive threaded rod 603 is rotatably mounted on the mounting base 1. The inner wall of the extension movement tube 602 is provided with an internal thread that can be threadedly engaged with the drive threaded rod 603. The cleaning mechanism 7 is connected to the extension movement tube 602. The angle adjustment mechanism 3, the horizontal movement mechanism 4, and the vertical movement mechanism 5 can respectively drive the base mounting tube 601 to adjust the working angle, adjust the horizontal position, and adjust the vertical position. The extension movement tube 602 and the drive threaded rod 603 form a driving structure, that is, as the drive threaded rod 603 rotates, it can drive the extension movement tube 602 to move along the axial direction (the extension direction of the extension mechanism), thereby driving the cleaning mechanism 7 to move.

[0041] According to a cleaning mechanism 7 provided in an embodiment of the present disclosure, Figure 6 As shown, the cleaning mechanism 7 includes a connecting shaft 704, a connecting rod extending radially from the connecting shaft 704, a scraper 705 is provided at one end of the connecting rod away from the connecting shaft 704, and multiple scrapers 705 are provided at intervals along the circumference. A rotating gear ring 702 is provided at one end of the connecting shaft 704, as shown in FIG. Figure 5 As shown, a rotary motor 701 is provided at the end of the extending motion tube 602 , and a rotary gear meshing with a rotary gear ring 702 is provided at the output end of the rotary motor 701 .

[0042] In order to facilitate the disassembly and assembly of the cleaning mechanism 7, the connecting shaft 704 and the extension movement tube 602 are connected by an adapter sleeve 703. The rotating gear ring 702 is arranged at one end of the adapter sleeve 703, and the connecting shaft 704 extends into the other end of the adapter sleeve 703 and is connected together by threaded fasteners 706 that are radially penetrated through the adapter sleeve 703 and the connecting shaft 704. The threaded connector 706 may include a bolt and a nut that is connected to the bolt after the bolt penetrates the adapter sleeve 703. The rotating gear ring 702 can be integrally formed on the inner circumference of the adapter sleeve 703, or it can be clamped to the inner circumference of the adapter sleeve 703. The other end of the adapter sleeve 703 can be provided with a stop structure to facilitate the axial installation and positioning of the connecting shaft 704.

[0043] Continue to refer Figure 6 The scraper 705 can be constructed as an arc-shaped plate, and its shape is adapted to the shape of the inner wall of the boiler, so as to be conducive to full contact with the inner wall of the boiler and improve the cleaning efficiency.

[0044] According to the embodiments provided by the present disclosure, Figure 1As shown, a roller 2, such as a Forma wheel, can be provided at the bottom of the mounting base 1 to facilitate transporting the cleaning device provided by the present disclosure to an appropriate position, and then the cleaning mechanism 7 is pushed to a predetermined position of the boiler through the cooperation between the angle adjustment mechanism 3, the horizontal movement mechanism 4, the vertical movement mechanism 5 and the extension mechanism 5.

[0045] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings. However, the present disclosure is not limited to the specific details of the above embodiments. Within the technical concept of the present disclosure, various simple modifications can be made to the technical solutions of the present disclosure, and these simple modifications all fall within the scope of protection of the present disclosure.

[0046] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. To avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0047] In addition, the various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.

Claims

1. A device for removing dirt from the inner wall of a boiler in a thermal power plant, characterized in that: include: Cleaning mechanism, used for cleaning the inner wall of the boiler; Install the base; An angle adjustment mechanism, provided on the mounting base, for adjusting the pitch angle of the cleaning mechanism relative to the ground; A horizontal movement mechanism, provided on the angle adjustment mechanism, for driving the cleaning mechanism to move in a horizontal direction; as well as The vertical moving mechanism is arranged on the horizontal moving mechanism and is used to drive the cleaning mechanism to move in the vertical direction. The cleaning mechanism is connected to the vertical moving mechanism.

2. The device for removing dirt from the inner wall of a boiler in a thermal power plant according to claim 1, characterized in that: The angle adjustment mechanism includes an angle adjustment motor and an angle adjustment gear ring, wherein the angle adjustment motor is arranged on the mounting base, the horizontal movement mechanism is arranged on the angle adjustment gear ring, and the output end of the angle adjustment motor is provided with an angle adjustment power output gear, and the angle adjustment power output gear is engaged with the angle adjustment gear ring.

3. The device for removing dirt from the inner wall of a boiler in a thermal power plant according to claim 1, characterized in that: The horizontal movement mechanism includes a horizontal movement adjustment motor and a horizontal movement slide rail, wherein the horizontal movement adjustment motor is arranged on the vertical movement mechanism, the horizontal movement slide rail is provided with a horizontal movement rack extending along the horizontal movement direction, and the output end of the horizontal movement adjustment motor is provided with a horizontal power output gear, and the horizontal power output gear is engaged with the horizontal movement rack.

4. The device for removing dirt from the inner wall of a boiler in a thermal power plant according to claim 1, characterized in that: The vertical movement mechanism includes a vertical movement adjustment motor and a vertical movement slide rail, wherein the vertical movement slide rail is provided with a vertical movement rack extending in the vertical direction, and the output end of the vertical movement adjustment motor is provided with a vertical power output gear, and the vertical power output gear is engaged with the vertical movement rack.

5. The device for removing dirt from the inner wall of a boiler in a thermal power plant according to claim 1, characterized in that: It also includes an extending mechanism for driving the cleaning mechanism to a predetermined position on the inner wall of the boiler to be cleaned. The extending mechanism is arranged on the vertical moving mechanism, and the cleaning mechanism is arranged on the extending mechanism.

6. The device for removing dirt from the inner wall of a boiler in a thermal power plant according to claim 5, characterized in that: The extension mechanism includes a base mounting tube, an extension movement tube and a driving threaded rod. The base mounting tube is arranged on the vertical moving mechanism. The extension movement tube can be movably sleeved in the base mounting tube. The driving threaded rod is sleeved in the extension movement tube and one end of the driving threaded rod is rotatably arranged on the mounting base. The inner wall of the extension movement tube is provided with an internal thread that can be threadedly matched with the driving threaded rod. The cleaning mechanism is connected to the extension movement tube.

7. The device for removing dirt from the inner wall of a boiler in a thermal power plant according to claim 6, characterized in that: The cleaning mechanism includes a connecting shaft, a connecting rod extending radially from the connecting shaft, a scraper provided at one end of the connecting rod away from the connecting shaft, a rotating gear ring provided at one end of the connecting shaft, a rotating motor provided at the end of the extending motion tube, and a rotating gear meshing with the rotating gear ring provided at the output end of the rotating motor.

8. The device for removing dirt from the inner wall of a boiler in a thermal power plant according to claim 7, characterized in that: The connecting shaft and the extending motion tube are connected via an adapter sleeve, the rotating gear ring is arranged at one end of the adapter sleeve, the connecting shaft extends from the other end of the adapter sleeve, and is connected together by threaded fasteners that penetrate the adapter sleeve and the connecting shaft in sequence along the radial direction.

9. The device for removing dirt from the inner wall of a boiler in a thermal power plant according to claim 7, characterized in that: The scraper is an arc-shaped plate, and its shape is adapted to the shape of the inner wall of the boiler.

10. The device for removing dirt from the inner wall of a boiler in a thermal power plant according to claim 1, characterized in that: The bottom of the mounting base is provided with rollers.

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