Ash removal structure for boiler of thermal power plant

Abstract

The invention provides an ash removal structure for a thermal power plant boiler, the ash removal structure comprises a fixing assembly, the fixing assembly is fixedly mounted on a boiler main body, the fixing assembly is used for fixedly arranging the whole ash removal structure, and a controller is mounted on the surface of the fixing assembly; the ash removal assembly is installed on the surface of the fixing assembly, and the ash removal assembly is used for ash removal treatment of the inner cavity of the boiler body; the dust falling assembly is installed at the bottom of the fixing assembly, and the dust falling assembly is used for dust falling treatment in the dust cleaning process; the dust collecting assembly is arranged on the bottom side of the fixing assembly, and the dust collecting assembly is used for collecting dust; and the cleaning assembly is arranged in the dust collection assembly, and the cleaning assembly is used for cleaning dust attached to the inner wall of the dust collection assembly. And through the arrangement of the ash removal assembly, dust in the boiler body can be conveniently removed, the cleaning effect of the interior of the boiler body is effectively improved, and the cleaning efficiency is improved.

Description

Technical Field

[0001] The invention relates to a ash cleaning structure, in particular to a ash cleaning structure for a boiler in a thermal power plant. Background Art

[0002] The boiler in a thermal power plant is one of the three main equipment in a power plant and an important equipment for energy conversion. The main function of the boiler is to convert the chemical energy of the fuel into thermal energy, and use this thermal energy to heat the water in the boiler to make it superheated steam with sufficient quantity and certain quality (steam temperature, steam pressure) for use by the steam turbine.

[0003] With reference to a thermal power plant boiler sonic cleaner mentioned in Chinese utility model patent CN217503717U, it can be seen that during the use of the existing cleaner, the dust generated by the cleaner during the cleaning process will cause the dust in the boiler to float, making it inconvenient to collect the dust in the collecting hopper, affecting the dust removal effect, and the collected dust is not convenient for centralized treatment, reducing the cleaning efficiency. Summary of the invention

[0004] The present invention provides a cleaning structure for a boiler in a thermal power plant to solve the technical problems that, during the use of an existing ash cleaner, dust generated by the ash cleaner during the cleaning process causes dust in the boiler to float, making it inconvenient to collect the dust in a collecting hopper, thus affecting the dust removal effect, and the collected dust is not convenient for centralized treatment, thus reducing the cleaning efficiency.

[0005] The present invention solves the above technical problems through the following technical solutions:

[0006] The present invention provides a ash cleaning structure for a thermal power plant boiler, the ash cleaning structure for a thermal power plant boiler comprising:

[0007] A fixed component, the fixed component is fixedly mounted on the boiler body, the fixed component is used to fix the entire cleaning structure, and a controller is installed on the surface of the fixed component;

[0008] A ash cleaning component, which is mounted on the surface of the fixed component and is used for cleaning the inner cavity of the boiler body;

[0009] A dust reduction component, which is installed at the bottom of the fixed component and is used for dust reduction during the dust cleaning process;

[0010] A dust collecting assembly, the dust collecting assembly is arranged at the bottom side of the fixed assembly, and the dust collecting assembly is used for dust collection;

[0011] A cleaning component is provided in the dust collecting component, and the cleaning component is used for cleaning dust adhered to the inner wall of the dust collecting component.

[0012] Preferably, the fixing assembly includes a fixing seat, fixing bolts, a fixing column and a supporting seat, the fixing seat is fixedly connected to the boiler body by fixing bolts, the fixing column is fixedly connected to the side surface of the fixing seat, and the end of the fixing column is fixedly connected to the supporting seat.

[0013] Preferably, the cleaning assembly includes an electric push rod, an air supply pipe, a rotating part, a limit ring and a nozzle. The electric push rod is fixedly installed in a supporting seat, the output end of the electric push rod is fixedly connected to the rotating part, the side surface of the rotating part is installed with a nozzle, a limit ring is installed in the rotating part, and the rotating part is connected to the air supply pipe.

[0014] Preferably, the rotating part includes a mounting seat, a micro motor and a rotating shell, the mounting seat is fixedly connected to the output end of the electric push rod, a limiting ring is fixedly connected to the top side surface of the mounting seat, a rotating shell is sleeved on the top of the limiting ring, a micro motor is fixedly installed on the top side of the mounting seat, and the end of the micro motor output shaft is fixedly connected to the inner wall of the top side of the rotating shell.

[0015] Preferably, the end of the air supply pipe slides through the fixing seat and the surface of the fixing seat, and the air supply pipe is connected to the inner cavity of the rotating shell.

[0016] Preferably, there are several nozzles, and the nozzles are distributed in a ring shape on the outer surface of the rotating shell.

[0017] Preferably, the cleaning assembly includes a fixed frame, a connecting frame, a driving motor, a cleaning column and a scraper, the fixed frame is fixedly mounted on the bottom surface of the supporting seat, the connecting frame is fixedly mounted on the side surface of the fixed frame, the bottom side of the fixed frame is fixedly connected to the driving motor, the side surface of the end of the driving motor output shaft is fixedly connected to the cleaning column, and the end of the cleaning column is fixedly connected to the scraper.

[0018] Preferably, the dust reduction assembly includes a water supply pipe, an annular pipe and a water mist nozzle. The end of the water supply pipe passes through the side surface of the fixed column. The end of the water supply pipe is connected to the annular pipe installed on the bottom side of the fixed frame. Several water mist nozzles are distributed in an annular manner on the side surface of the annular pipe.

[0019] Preferably, the dust collecting assembly includes a collecting hopper, a collecting cavity, a material discharge shell and a discharge shell. The collecting hopper is fixedly mounted on the bottom surface of the connecting frame. A collecting cavity is provided on the top side of the collecting hopper. The bottom side of the collecting hopper is fixedly connected to a material discharge shell. The bottom end of the material discharge shell is fixedly connected to a discharge shell.

[0020] Preferably, a sealing component for automatically opening and closing the inner cavity of the lower material shell is installed on the side surface of the lower material shell, and the sealing component includes a cylinder, a connecting frame, a sealing seat and a sealing plate. The cylinder is fixedly installed on the side surface of the lower material shell, and the output end of the cylinder is fixedly connected to the connecting frame, and the bottom end of the connecting frame is fixedly connected to the sealing seat, and the side surface of the sealing seat is fixedly connected to the sealing plate, and the sealing plate is slidably connected to the side surface of the lower material shell.

[0021] On the basis of being in accordance with the common sense in the art, the above-mentioned preferred conditions can be arbitrarily combined to obtain the preferred embodiments of the present invention.

[0022] The positive and progressive effects of the present invention are:

[0023] The above-mentioned ash cleaning structure for thermal power plant boilers fixes the ash collecting mechanism as a whole through a fixing component to ensure the stable placement and use of the ash collecting structure. The ash cleaning component is set to facilitate the cleaning of the dust inside the boiler body, effectively improving the cleaning effect inside the boiler body and the cleaning efficiency. The dust reduction component is set to effectively reduce the dust and improve the dust reduction effect of the dust in the collecting hopper. The dust collecting component is set to facilitate the centralized collection and treatment of the dust. The sealing component is set to cooperate with the sealing seat to facilitate the sealing plate to move out of the discharge shell, so that the collected dust is convenient to be cleaned and discharged in a centralized manner, thereby ensuring the cleaning effect and improving the cleaning efficiency. It has broad market prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application.

[0025] Figure 1 It is a three-dimensional structural schematic diagram of the dust cleaning structure of the present invention.

[0026] Figure 2 It is a schematic diagram of the overall side view of the three-dimensional structure of the dust cleaning structure of the present invention.

[0027] Figure 3 It is a schematic diagram of the overall front cross-sectional structure of the dust cleaning structure of the present invention.

[0028] Figure 4 It is a schematic diagram of the front view of the dust cleaning structure of the present invention.

[0029] Figure 5 It is a schematic diagram of the bottom three-dimensional structure of the dust cleaning structure of the present invention when viewed from above.

[0030] Figure 6 It is a schematic diagram of the three-dimensional connection structure between the ash cleaning mechanism and the boiler body of the ash cleaning structure of the present invention.

[0031] Description of Reference Numerals

[0032] 1. Fixing assembly; 11. Fixing seat; 12. Fixing bolt; 13. Fixing column; 14. Supporting seat; 2. Controller; 3. Dust reduction assembly; 31. Water supply pipe; 32. Ring pipe; 33. Water mist nozzle; 4. Cleaning assembly; 41. Air supply pipe; 42. Limiting ring; 43. Rotating part; 431. Mounting seat; 432. Micro motor; 433. Rotating shell; 44. Nozzle; 45. Electric push rod; 5. Cleaning assembly; 51. Fixing frame; 52. Connecting frame; 53. Driving motor; 54. Cleaning column; 55. Scraper; 6. Dust collecting assembly; 61. Collecting hopper; 62. Collecting cavity; 63. Discharging shell; 64. Discharging shell; 7. Sealing assembly; 71. Cylinder; 72. Connecting frame; 73. Sealing seat; 74. Sealing plate; 8. Boiler body. DETAILED DESCRIPTION

[0033] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0034] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0035] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0036] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0037] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0038] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other.

[0039] like Figure 1-6 As shown, the ash cleaning structure for a thermal power plant boiler comprises:

[0040] A fixing assembly 1, which is fixedly mounted on the boiler body 8 and is used to fix the overall cleaning structure. A controller 2 is mounted on the surface of the fixing assembly 1, and the controller 2 is electrically connected to the air pump, the electric push rod 45, the micro motor 432 and the drive motor 53;

[0041] A dust cleaning component 4, which is mounted on the surface of the fixed component 1 and is used for dust cleaning of the inner cavity of the boiler body 8;

[0042] A dust reduction component 3, the dust reduction component 3 is installed at the bottom of the fixed component 1, and the dust reduction component 3 is used for dust reduction during the dust cleaning process;

[0043] A dust collecting component 6, wherein the dust collecting component 6 is arranged at the bottom side of the fixing component 1, and the dust collecting component 6 is used for collecting dust;

[0044] A cleaning component 5 is provided inside the dust collecting component 6 , and the cleaning component 5 is used for cleaning dust adhered to the inner wall of the dust collecting component 6 .

[0045] The fixing assembly 1 includes a fixing seat 11, a fixing bolt 12, a fixing column 13 and a supporting seat 14. The fixing seat 11 is fixedly connected to the boiler body 8 by the fixing bolt 12. The fixing column 13 is fixedly connected to the side surface of the fixing seat 11. The end of the fixing column 13 is fixedly connected to the supporting seat 14. The fixing seat 11 is fixedly installed on the side surface of the boiler body 8 by the fixing bolt 12. The supporting seat 14 realizes the support and fixing setting of the cleaning assembly 5 and the dust cleaning assembly 4 to ensure the overall fixing stability of the dust cleaning structure.

[0046] The cleaning component 4 includes an electric push rod 45, an air supply pipe 41, a rotating part 43, a limiting ring 42 and a nozzle 44. The electric push rod 45 is fixedly installed in the supporting seat 14. The output end of the electric push rod 45 is fixedly connected to the rotating part 43. The nozzle 44 is installed on the side surface of the rotating part 43. The limiting ring 42 is installed in the rotating part 43. The rotating part 43 is connected with the air supply pipe 41. The electric push rod 45 is started, and the electric push rod 45 pushes the fixed rotating part 43 to move. The rotating part 43 drives the nozzle 44 to clean the inner cavity of the boiler body 8. At the same time, the rotating part 43 drives the nozzle 44 to rotate to achieve the cleaning effect of the inner cavity of the boiler body 8. At the same time, the electric push rod 45 is adjusted to facilitate the improvement of the cleaning effect of the dust in the inner cavity of the boiler body 8. At the same time, the air supply pipe 41 is slidably connected to the fixed column 13 for easy adjustment and use.

[0047] The rotating part 43 includes a mounting seat 431, a micro motor 432 and a rotating shell 433. The mounting seat 431 is fixedly connected to the output end of the electric push rod 45. The top surface of the mounting seat 431 is fixedly connected to a limiting ring 42. The top of the limiting ring 42 is sleeved with a rotating shell 433. The top side of the mounting seat 431 is fixedly mounted with a micro motor 432. The end of the output shaft of the micro motor 432 is fixedly connected to the inner wall of the top side of the rotating shell 433. When the micro motor 432 is started, the micro motor 432 drives the fixedly mounted rotating shell 433 to rotate. The rotating shell 433 rotates along the surface of the limiting ring 42, which is convenient for the rotation of the nozzle 44. At the same time, the internal sealing of the rotating shell 433 is ensured for easy use.

[0048] The end of the air supply pipe 41 slides through the fixing seat 11 and the surface of the fixing seat 11 , and the air supply pipe 41 is connected to the inner cavity of the rotating shell 433 .

[0049] There are a plurality of nozzles 44 , which are distributed in a ring shape on the outer surface of the rotating shell 433 .

[0050] The cleaning assembly 5 includes a fixed frame 51, a connecting frame 52, a driving motor 53, a cleaning column 54 and a scraper 55. The fixed frame 51 is fixedly installed on the bottom side surface of the supporting seat 14, the connecting frame 52 is fixedly installed on the side surface of the fixed frame 51, the bottom side of the fixed frame 51 is fixedly connected to the driving motor 53, the side surface of the end of the output shaft of the driving motor 53 is fixedly connected to the cleaning column 54, and the end of the cleaning column 54 is fixedly connected to the scraper 55. When the driving motor 53 is started, the driving motor 53 drives the cleaning column 54 to drive the fixedly connected scraper 55 to rotate, and the scraper 55 cleans the dust on the inner wall of the collecting chamber 62, which is convenient for the subsequent centralized discharge of materials, avoids the occurrence of material residues, and improves the cleaning effect.

[0051] The dust reduction component 3 includes a water supply pipe 31, an annular pipe 32 and a water mist nozzle 4433. The end of the water supply pipe 31 passes through the side surface of the fixed column 13, and the end of the water supply pipe 31 is connected to the annular pipe 32 installed on the bottom side of the fixed frame 51. A plurality of water mist nozzles 4433 are distributed in a ring shape on the side surface of the annular pipe 32. The water supply pipe 31 is externally connected to a water pump. After the water pump supplies water, the water is injected into the inner cavity of the annular pipe 32 through the water supply pipe 31, and the water is finally sprayed out through the water mist nozzle 4433, which effectively reduces the dust and improves the dust reduction effect of the dust in the collecting hopper 61.

[0052] The dust collecting assembly 6 includes a collecting hopper 61, a collecting cavity 62, a material discharge shell 63 and a discharge shell 64. The collecting hopper 61 is fixedly installed on the bottom surface of the connecting frame 52. The collecting cavity 62 is opened on the top side of the collecting hopper 61. The bottom side of the collecting hopper 61 is fixedly connected to the material discharge shell 63, and the bottom end of the material discharge shell 63 is fixedly connected to the discharge shell.

[0053] A sealing component 7 for automatically opening and closing the inner cavity of the discharge shell 63 is installed on the side surface of the discharge shell 63, and the sealing component 7 includes a cylinder 71, a connecting frame 72, a sealing seat 73 and a sealing plate 74. The cylinder 71 is fixedly installed on the side surface of the discharge shell 63, and the output end of the cylinder 71 is fixedly connected to the connecting frame 72, and the bottom end of the connecting frame 72 is fixedly connected to the sealing seat 73, and the side surface of the sealing seat 73 is fixedly connected to the sealing plate 74, and the sealing plate 74 is slidably connected to the side surface of the discharge shell 63. By starting the cylinder 71, the cylinder 71 drives the connecting frame 72 to move, and the connecting frame 72 drives the fixedly connected sealing seat 73 to move, so that the sealing seat 73 drives the sealing plate 74 to move out of the discharge shell 63, so that the collected dust is conveniently cleaned and discharged, thereby ensuring the cleaning effect and improving the cleaning efficiency.

[0054] The circuits, electronic components and modules involved are all prior art and can be fully implemented by those skilled in the art, and needless to say, the content protected by this application does not involve improvements to software and methods.

[0055] The present invention is not limited to the above-mentioned embodiments. Any changes in shape or structure are within the protection scope of the present invention. The protection scope of the present invention is defined by the attached claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principle and essence of the present invention, but these changes and modifications are within the protection scope of the present invention.

Claims

1. A ash cleaning structure for a thermal power plant boiler, characterized in that: The ash cleaning structure for a thermal power plant boiler comprises: A fixing component (1), the fixing component (1) is fixedly mounted on the boiler body (8), the fixing component (1) is used to fix the entire cleaning structure, and a controller (2) is mounted on the surface of the fixing component (1); A ash cleaning component (4), the ash cleaning component (4) being mounted on the surface of the fixed component (1), the ash cleaning component (4) being used for ash cleaning treatment of the inner cavity of the boiler body (8); A dust reduction component (3), the dust reduction component (3) being mounted at the bottom of the fixed component (1), and the dust reduction component (3) being used for dust reduction during the dust cleaning process; A dust collecting component (6), the dust collecting component (6) being arranged on the bottom side of the fixing component (1), and the dust collecting component (6) being used for collecting dust; A cleaning component (5), wherein the dust collecting component (6) is provided with a cleaning component (5), and the cleaning component (5) is used for cleaning dust adhered to the inner wall of the dust collecting component (6).

2. The soot cleaning structure for a thermal power plant boiler according to claim 1, characterized in that: The fixing assembly (1) comprises a fixing seat (11), a fixing bolt (12), a fixing column (13) and a supporting seat (14); the fixing seat (11) is fixedly connected to the boiler body (8) via the fixing bolt (12); the fixing column (13) is fixedly connected to the side surface of the fixing seat (11); and the end of the fixing column (13) is fixedly connected to the supporting seat (14).

3. The soot cleaning structure for a thermal power plant boiler according to claim 1, characterized in that: The cleaning component (4) comprises an electric push rod (45), an air supply pipe (41), a rotating part (43), a limiting ring (42) and a nozzle (44); the electric push rod (45) is fixedly installed in a supporting seat (14); the output end of the electric push rod (45) is fixedly connected to the rotating part (43); the side surface of the rotating part (43) is installed with a nozzle (44); the rotating part (43) is installed with a limiting ring (42); and the rotating part (43) is connected to the air supply pipe (41).

4. The soot cleaning structure for a thermal power plant boiler according to claim 3, characterized in that: The rotating part (43) comprises a mounting seat (431), a micro motor (432) and a rotating shell (433); the mounting seat (431) is fixedly connected to the output end of the electric push rod (45); a limiting ring (42) is fixedly connected to the top surface of the mounting seat (431); the rotating shell (433) is sleeved on the top of the limiting ring (42); the micro motor (432) is fixedly mounted on the top side of the mounting seat (431); and the output shaft end of the micro motor (432) is fixedly connected to the inner wall of the top side of the rotating shell (433).

5. The soot cleaning structure for a thermal power plant boiler according to claim 3, characterized in that: The end of the air supply pipe (41) slides through the fixing seat (11) and the surface of the fixing seat (11), and the air supply pipe (41) is connected to the inner cavity of the rotating shell (433).

6. The soot cleaning structure for a thermal power plant boiler according to claim 3, characterized in that: The number of the nozzles (44) is multiple, and the multiple nozzles (44) are distributed in a ring shape on the outer surface of the rotating shell (433).

7. The soot cleaning structure for a thermal power plant boiler according to claim 1, characterized in that: The cleaning assembly (5) comprises a fixing frame (51), a connecting frame (52), a driving motor (53), a cleaning column (54) and a scraper (55); the fixing frame (51) is fixedly mounted on the bottom surface of the supporting seat (14); the connecting frame (52) is fixedly mounted on the side surface of the fixing frame (51); the bottom side of the fixing frame (51) is fixedly connected to the driving motor (53); the side surface of the end of the output shaft of the driving motor (53) is fixedly connected to the cleaning column (54); and the end of the cleaning column (54) is fixedly connected to the scraper (55).

8. The soot cleaning structure for a thermal power plant boiler according to claim 1, characterized in that: The dust suppression component (3) comprises a water supply pipe (31), an annular pipe (32) and a water mist nozzle (44) (33); the end of the water supply pipe (31) passes through the side surface of the fixed column (13); the end of the water supply pipe (31) is connected to the annular pipe (32) installed on the bottom side of the fixed frame (51); and a plurality of water mist nozzles (44) (33) are distributed in an annular manner on the side surface of the annular pipe (32).

9. The soot cleaning structure for a thermal power plant boiler according to claim 1, characterized in that: The dust collecting assembly (6) comprises a collecting hopper (61), a collecting cavity (62), a material discharge shell (63) and a discharge shell (64); the collecting hopper (61) is fixedly mounted on the bottom surface of the connecting frame (52); the collecting cavity (62) is provided on the top side of the collecting hopper (61); the bottom side of the collecting hopper (61) is fixedly connected to a material discharge shell (63); and the bottom end of the material discharge shell (63) is fixedly connected to a material discharge shell.

10. The soot cleaning structure for a thermal power plant boiler according to claim 9, characterized in that: A sealing assembly (7) for automatically opening and closing the inner cavity of the material discharging shell (63) is installed on the side surface of the material discharging shell (63), and the sealing assembly (7) comprises a cylinder (71), a connecting frame (72), a sealing seat (73) and a sealing plate (74). The cylinder (71) is fixedly installed on the side surface of the material discharging shell (63), the output end of the cylinder (71) is fixedly connected to the connecting frame (72), the bottom end of the connecting frame (72) is fixedly connected to the sealing seat (73), the side surface of the sealing seat (73) is fixedly connected to the sealing plate (74), and the sealing plate (74) is slidably connected to the side surface of the material discharging shell (63).

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