A device for removing ash from chimney flues

Abstract

This invention discloses a chimney flue ash removal device, relating to the field of chimney ash removal technology. It includes a support frame, a drive component, connecting ropes, a connecting frame, and scrapers. The support frame is equipped with a drive component for rotating the support frame. The drive component includes multiple fan blades arranged around the support frame. At least two connecting ropes are arranged side-by-side, with the upper ends of all connecting ropes connected to the support frame and the lower ends of all connecting ropes connected to the connecting frame. Scrapers are provided at the ends of the connecting frame. This invention can reduce the labor intensity of workers performing ash removal operations and improve their safety.

Description

Technical Field

[0001] This invention relates to the field of chimney ash removal technology, specifically to an ash removal device for chimney flues. Background Technology

[0002] Chimneys are ventilation structures. The internal space of a chimney is called a flue. After prolonged use, ash accumulates on the flue walls, leading to problems such as poor smoke extraction, insufficient draft, and incomplete combustion. Over time, this can seriously affect the chimney's performance. Therefore, chimneys require regular ash removal.

[0003] For example, Chinese patent application number CN202021354508.9 discloses "A corrosion-resistant chimney pipe with easy-to-replace ash removal mechanism," such as... Figure 13 As shown, the patent includes a disc handle 01, a telescopic rod 02, a connecting rod 03, and a rubber scraper 04. The telescopic rod 02 is fixed below the disc handle 01, and the connecting rod 03 is provided at the end of the telescopic rod 02. Rubber scrapers 04 are installed on the left and right sides of the connecting rod 03.

[0004] The aforementioned patent requires workers to manually operate a disc handle to drive the telescopic rod, connecting rod, and rubber scraper when cleaning the flue walls, thus increasing the labor intensity of the ash removal work. Furthermore, because the chimney is quite tall, workers need to climb for extended periods to operate the disc handle manually, reducing the safety of the ash removal operation.

[0005] Therefore, how to reduce the labor intensity of workers performing ash removal operations and improve their safety is a technical problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0006] The present invention addresses the aforementioned shortcomings of the existing technology by providing a device for removing ash from chimney flues. This invention can reduce the labor intensity of workers performing ash removal operations and improve their safety.

[0007] To achieve the above objectives, the invention provides the following technical solution:

[0008] A device for removing ash from chimney flues includes a support frame, a drive component, connecting ropes, a connecting frame, and scrapers. The support frame is provided with a drive component for rotating the support frame. The drive component includes multiple fan blades arranged around the support frame. At least two connecting ropes are arranged side by side. The upper ends of all connecting ropes are connected to the support frame, and the lower ends of all connecting ropes are connected to the connecting frame. The end of the connecting frame is provided with scrapers.

[0009] Furthermore, the connecting rope is made of elastic band.

[0010] Furthermore, two extension frames are horizontally slidably connected to the connecting frame, and the connecting frame is provided with a distance adjustment mechanism for adjusting the distance between the two extension frames. The extension frames are detachably connected to the scraper, and the support frame is provided with a buckle groove, the groove wall of which is provided with a limiting member.

[0011] Furthermore, the adjusting mechanism includes an adjusting screw, a moving block, and adjusting rods. The upper end of the adjusting screw is rotatably connected to the connecting frame, the middle part of the adjusting screw engages with the adjusting screw hole provided on the moving block, the moving block is rotatably connected to the lower ends of the two adjusting rods, and the upper end of the adjusting rods is rotatably connected to the extension frame.

[0012] Furthermore, the limiting component includes a limiting screw and a limiting block. The groove wall of the buckle is provided with a limiting screw hole for cooperating with the limiting screw, and a limiting block is provided at one end of the limiting screw inside the buckle groove.

[0013] Furthermore, it also includes a water bag, the upper end of which is connected to the middle of the support frame, and the lower end of which is connected to the middle of the connecting frame. The upper end of the water bag is provided with a water inlet and a one-way valve for water inlet, and the lower end of the water bag is provided with a water outlet and a one-way valve for water outlet.

[0014] Furthermore, the water outlet is provided with multiple outlets.

[0015] Furthermore, the water bag includes a first plate, a second plate, and a bag body. Two first plates are arranged side by side, clamping the upper end of the bag body. Each of the two first plates has a first through hole for communicating with the inner cavity of the bag body. The upper first plate has the water inlet, which communicates with the first through hole. The upper first plate is connected to the support frame. Two second plates are arranged side by side, clamping the lower end of the bag body. Each of the two second plates has a second through hole for communicating with the inner cavity of the bag body. The lower second plate has the water outlet, which communicates with the second through hole. The lower second plate is connected to the connecting frame.

[0016] Compared with existing technologies, the beneficial effects of the invention are:

[0017] 1. The ash removal device of the present invention can clean the flue of the chimney under the action of wind, eliminating the need for workers to stand at height for a long time to manually remove ash. This not only helps to reduce the labor intensity of workers, but also improves the safety of ash removal operations.

[0018] 2. Surprisingly, the ash removal device of the present invention is a purely mechanical structure without the use of electrical components, which facilitates inspection and maintenance and improves the efficiency of inspection and maintenance.

[0019] 3. Even more unexpectedly, in the dust removal device of the present invention, a connecting rope is used to connect the support frame and the connecting frame. Therefore, when storing or transporting the dust removal device of the present invention, the connecting rope can be tied and wrapped, which can greatly save the space used for storing or transporting the dust removal device of the present invention, so as to facilitate storage and transportation.

[0020] 4. In the ash removal device of the present invention, the connecting rope can be an elastic band, so that when the connecting frame and scraper are put into the flue of the chimney, the elastic force of the elastic band can be used to buffer the connecting frame and scraper, which helps to reduce the pulling of the connecting frame and support frame on the connecting rope, thereby extending the service life of the connecting rope, saving replacement costs, and conserving resources.

[0021] 5. The ash removal device provided by this invention can adjust the distance between the two scrapers using an adjusting mechanism, so that the scrapers can clean chimney flues with different inner diameters. Furthermore, the ash removal device provided by this invention can use a clamping groove and a limiting member to hold chimneys with different outer diameters. This improves the flexibility of the ash removal device in use.

[0022] 6. In the ash removal device of the present invention, the connecting frame and scraper can not only rotate inside the flue, but also move up and down in the vertical direction. The connecting rope used to connect the connecting frame and the support frame can also tighten the water bag to pressurize the water in the water bag and make it flow out. This allows water to be used to reduce dust pollution when removing ash from the inner wall of the chimney flue, which is beneficial to environmental protection.

[0023] 7. When the water bag is empty, it can be folded up to accommodate the connecting rope that can be tied and wrapped, thus saving space for storing or transporting the dust removal device of this invention.

[0024] 8. Surprisingly, using water to absorb the dust during ash removal not only reduces the risk of dust explosions and further improves the safety of ash removal operations, but also allows the water droplets that have absorbed the dust to fall directly, preventing the dust from re-adhering to the flue wall, which is beneficial to improving the ash removal effect. Attached Figure Description

[0025] Figure 1 Example 1: A three-dimensional device for removing ash from chimney flues. Figure 1 ;

[0026] Figure 2 Example 1: A three-dimensional device for removing ash from chimney flues. Figure 2 ;

[0027] Figure 3 This is a front view of an ash removal device for a chimney flue according to Embodiment 1;

[0028] Figure 4This is a schematic diagram of the use of a chimney flue ash removal device in Example 1, after the chimney has been cut open.

[0029] Figure 5 Example 2: A three-dimensional device for removing ash from chimney flues. Figure 1 ;

[0030] Figure 6 Example 2: A three-dimensional device for removing ash from chimney flues. Figure 2 ;

[0031] Figure 7 This is a front view of an ash removal device for chimney flues, as described in Embodiment 2.

[0032] Figure 8 Example 3: A three-dimensional device for removing ash from chimney flues. Figure 1 ;

[0033] Figure 9 Example 3: A three-dimensional device for removing ash from chimney flues. Figure 2 ;

[0034] Figure 10 This is a front view of an ash removal device for a chimney flue, as described in Embodiment 3.

[0035] Figure 11 This is a cross-sectional view of the water bag;

[0036] Figure 12 This is a schematic diagram of the use of a chimney flue ash removal device in Example 3, after the chimney has been cut open.

[0037] Figure 13 This is a schematic diagram of the background technology.

[0038] In the picture:

[0039] 1-Support frame, 11-Groove, 12-Allowing hole, 13-Snap groove, 14-Limiting component, 141-Limiting screw, 142-Limiting block.

[0040] 2-Driver component, 21-Fan blade,

[0041] 3-Connecting rope,

[0042] 4-Connecting bracket, 41-Slide groove,

[0043] 5-Scraper blade,

[0044] 6-Extension rack,

[0045] 7-Adjusting mechanism, 71-Adjusting screw, 711-Nut, 72-Moving block, 721-Adjusting screw hole, 73-Adjusting rod.

[0046] 8-Water bag, 81-First plate, 811-First through hole, 812-Water inlet, 82-Second plate, 821-Second through hole, 822-Water outlet, 83-Bag body.

[0047] 9-Chimney,

[0048] 01-Disc handle, 02-Telescopic rod, 03-Connecting rod, 04-Rubber scraper. Detailed Implementation

[0049] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0050] Example 1:

[0051] like Figure 1-4 As shown, a device for removing ash from chimney flues includes a support frame 1, a driving component 2, a connecting rope 3, a connecting frame 4, and a scraper 5.

[0052] like Figure 1-4 As shown, the support frame 1 is placed on the top surface of the chimney 9, and a driving component 2 is installed on the support frame 1 to drive the support frame 1 to rotate. In this embodiment, the driving component 2 includes a plurality of fan blades 21 arranged around the support frame 1. Under the action of wind, the fan blades 21 can drive the support frame 1 to rotate on the top surface of the chimney 9.

[0053] like Figure 2 As shown, in order to improve the stability of the support frame 1 when it rotates on the chimney 9, an annular groove 11 is provided on the lower end face of the support frame 1. When the support frame 1 is placed on the top surface of the chimney 9, the upper end of the chimney 9 can be inserted into the groove 11 to prevent the support frame 1 from falling off the chimney 9, thereby improving the stability of the support frame 1 when it rotates.

[0054] like Figure 1-4 As shown, the connecting rope 3 is suspended from the upper end of the chimney 9 into the flue of the chimney 9. At least two connecting ropes 3 are arranged side by side; in this embodiment, there are two connecting ropes 3. The upper ends of both connecting ropes 3 are tied to the support frame 1, and the lower ends of both connecting ropes 3 are tied to the connecting frame 4, which is also located inside the flue of the chimney 9.

[0055] like Figure 1-4 As shown, scraper blades 5 are installed at both ends of the connecting frame 4, and the scraper blades 5 can contact the flue wall of the chimney 9.

[0056] When using the ash removal device of this embodiment, the following operations are required:

[0057] (1) Workers climb up and place the support frame 1 of the ash removal device on the top surface of the chimney 9, and put the connecting rope 3, the connecting frame 4 and the scraper 5 into the flue of the chimney 9 so that the scraper 5 can be pressed against the flue wall. After placement, the workers can return to the ground.

[0058] (2) Under the action of wind, the fan blade 21 drives the support frame 1 to rotate around the chimney 9. Because there is frictional resistance between the scraper 5 against the flue wall and the flue wall, and the support frame 1 is connected to the connecting frame 4 via the connecting rope 3, the rotation of the connecting frame 4 is delayed when the support frame 1 rotates. Therefore, although the support frame 1 can drive the connecting frame 4 to rotate, the rotation of the support frame 1 and the connecting frame 4 is not synchronized, which makes the two connecting ropes 3 easy to get tangled together. Figure 4 As shown.

[0059] When the two connecting ropes 3 are twisted together, the distance between the connecting frame 4 and the support frame 1 will be shortened, so that the connecting frame 4 can not only rotate in the flue, but also move up and down in the vertical direction. As a result, the scraper 5 installed on the connecting frame 4 can not only scrape the flue wall in the horizontal plane, but also scrape the flue wall in the vertical direction, thus realizing the ash removal operation of the flue of the chimney 9.

[0060] As can be seen from the above process, the ash removal device of this embodiment can clean the flue of the chimney 9 under the action of wind, without requiring workers to stand at a height for a long time to manually remove ash. This not only helps to reduce the labor intensity of workers, but also improves the safety of ash removal operations.

[0061] Surprisingly, the ash removal device in this embodiment is a purely mechanical structure without the use of electrical components, which facilitates inspection and maintenance and improves the efficiency of inspection and maintenance.

[0062] Even more unexpectedly, in the dust removal device of this embodiment, the support frame 1 and the connecting frame 4 are connected by the connecting rope 3. Therefore, when storing or transporting the dust removal device of this embodiment, the connecting rope 3 can be tied and wrapped, which can greatly save the space used for storing or transporting the dust removal device of this embodiment, so as to facilitate storage and transportation.

[0063] Furthermore, in the ash removal device of this embodiment, the connecting rope 3 can be an elastic band, so that when the connecting frame 4 and the scraper 5 are put into the flue of the chimney 9, the elastic force of the elastic band can be used to buffer the connecting frame 4 and the scraper 5, which helps to ease the pulling of the connecting frame 4 and the support frame 1 on the connecting rope 3, thereby extending the service life of the connecting rope 3, saving replacement costs, and conserving resources.

[0064] Example 2:

[0065] This embodiment 2 is an improvement upon embodiment 1:

[0066] like Figure 5-7 As shown, a sliding groove 41 is provided on the connecting frame 4, and both extension frames 6 slide horizontally with the sliding groove 41. An adjusting mechanism 7 is provided on the connecting frame 4 to adjust the distance between the two extension frames 6. The adjusting mechanism 7 includes an adjusting screw 71, a moving block 72, and adjusting rods 73. The upper end of the adjusting screw 71 is rotatably engaged with a rotating hole (not shown) located in the middle of the connecting frame 4. Two nuts 711 are installed on the upper end of the adjusting screw 71, which are used to clamp the connecting frame 4 so that the adjusting screw 71 can only rotate within the rotating hole and cannot move axially within the rotating hole. The middle part of the adjusting screw 71 is threadedly engaged with an adjusting screw hole 721 located on the moving block 72. The moving block 72 is rotatably connected to the lower ends of the two adjusting rods 73 via pins, and the upper end of each adjusting rod 73 is also rotatably connected to one extension frame 6 via a pin.

[0067] like Figure 5-7 As shown, the extension frame 6 and the scraper 5 are detachably connected. For example, the extension frame 6 and the scraper 5 can be assembled using fasteners such as screws or bolts. Removing the screws or bolts allows for the separation of the extension frame 6 and the scraper 5, while installing the screws or bolts allows for their assembly. This detachable connection between the extension frame 6 and the scraper 5 facilitates the replacement of the scraper 5, thus improving the maintenance efficiency of the ash removal device in this embodiment.

[0068] The greater the distance between the two extension frames 6, the greater the distance between the scraper blades 5 on the two extension frames 6, thus making it more suitable for scraping inside the flue of the chimney 9 with a larger inner diameter. The smaller the distance between the two extension frames 6, the smaller the distance between the scraper blades 5 on the two extension frames 6, thus making it more suitable for scraping inside the flue of the chimney 9 with a smaller inner diameter.

[0069] The principle of the adjusting mechanism 7 in adjusting the distance between the two extension frames 6 is as follows: When the adjusting screw 71 is rotated clockwise, the moving block 72 moves the lower ends of the two adjusting rods 73 upward, thereby increasing the included angle between the two adjusting rods 73. This causes the upper ends of the two adjusting rods 73 to push the two extension frames 6 apart, thus increasing the distance between them. When the adjusting screw 71 is rotated counterclockwise, the moving block 72 moves the lower ends of the two adjusting rods 73 downward, thereby decreasing the included angle between the two adjusting rods 73. This causes the upper ends of the two adjusting rods 73 to pull the two extension frames 6 closer together, thus decreasing the distance between them.

[0070] like Figure 5-7As shown, the lower end face of the support frame 1 is provided with an annular groove 13, which allows the upper end of the chimney 9 to be inserted. The groove wall of the groove 13 is provided with a limiting member 14. The limiting member 14 includes a limiting screw 141 and a limiting block 142. The groove wall of the groove 13 is provided with a limiting screw hole (not shown in the figure) for cooperating with the limiting screw 141, and the limiting screw 141 has a limiting block 142 at one end inside the groove 13.

[0071] When the outer diameter of the chimney 9 is large, the limiting screw 141 can be screwed outward into the groove 13. The limiting block 142, which is installed together with the limiting screw 141, also moves closer to the outer wall of the groove 13, so that the distance between the inner wall of the groove 13 and the limiting block 142 allows the insertion of a chimney 9 with a larger outer diameter.

[0072] When the outer diameter of the chimney 9 is small, the limiting screw 141 can be screwed into the groove 13. The limiting block 142, which is installed together with the limiting screw 141, moves closer to the inner wall of the groove 13, so that the distance between the inner wall of the groove 13 and the limiting block 142 allows the insertion of a chimney 9 with a smaller outer diameter.

[0073] As can be seen from the above process, the ash removal device provided in this embodiment can adjust the distance between the two scrapers 5 using the adjusting mechanism 7, so that the scrapers 5 can clean the flues of chimneys 9 with different inner diameters. Furthermore, the ash removal device provided in this embodiment can use the clamping groove 13 and the limiting member 14 to clamp chimneys 9 with different outer diameters. This improves the flexibility of use of the ash removal device in this embodiment.

[0074] Example 3:

[0075] This embodiment 3 is an improvement upon embodiment 1 or embodiment 2:

[0076] like Figure 8-11 As shown, the ash removal device in this embodiment 3 also includes a water bag 8. The water bag 8 includes a first plate 81, a second plate 82, and a bag body 83.

[0077] like Figure 8-11 As shown, the bag body 83 can adopt a cylindrical structure with both the top and bottom ends open. Specifically, the bag body 83 can be made of materials such as plastic bags or rubber bags.

[0078] like Figure 8-11 As shown, two first plates 81 are arranged side by side, one above the other, clamping the upper end of the bag body 83. The two first plates 81 and the upper end of the bag body 83 can be glued together using adhesive. Alternatively, bolts can be used to fix the two first plates 81 clamping the upper end of the bag body 83 together.

[0079] like Figure 8-11As shown, both first plates 81 are provided with first through holes 811 for communicating with the inner cavity of the bag body 83. The upper first plate 81 is provided with a water inlet 812 and a water inlet check valve (not shown in the figure). The water inlet 812 communicates with the first through hole 811, and the water inlet check valve can prevent water in the bag body 83 from flowing out of the water inlet 812. A clearance hole 12 is also provided on the support frame 1 to avoid the water inlet 812. The upper first plate 81 is installed on the lower end face of the support frame 1.

[0080] like Figure 8-11 As shown, two second plates 82 are arranged side by side, one above the other, clamping the lower end of the bag body 83. The two second plates 82 and the lower end of the bag body 83 can be glued together using adhesive. Alternatively, bolts can be used to fix the two second plates 82 clamping the lower end of the bag body 83 together.

[0081] like Figure 8-11 As shown, both second plates 82 are provided with second through holes 821 for communicating with the inner cavity of the bag body 83. The lower second plate 82 is provided with a water outlet 822 and a one-way valve (not shown in the figure). The water outlet 822 communicates with the second through hole 821. The lower second plate 82 is installed on the upper end face of the connecting frame 4. Multiple water outlets 822 and second through holes 821 communicating with the water outlets 822 can be provided.

[0082] When using the ash removal device of this embodiment, the following operations are required:

[0083] (1) Workers climb up and place the support frame 1 of the ash removal device on the top surface of the chimney 9, and put the connecting rope 3, connecting frame 4, scraper 5, and water bag 8 into the flue of the chimney 9 so that the scraper 5 can be pressed against the flue wall. After placement, the workers can return to the ground.

[0084] (2) The fan blade 21 drives the support frame 1 to rotate around the chimney 9 under the action of wind. Because there is frictional resistance between the scraper 5 against the flue wall and the flue wall, and the support frame 1 is connected to the connecting frame 4 through the connecting rope 3, the rotation of the connecting frame 4 is delayed when the support frame 1 rotates. Thus, although the support frame 1 can drive the connecting frame 4 to rotate, the rotation of the support frame 1 and the connecting frame 4 is not synchronized, which makes the two connecting ropes 3 easy to get tangled together.

[0085] Since a water bag 8 is provided between the support frame 1 and the connecting frame 4, the two connecting ropes 3 are twisted around the water bag 8, as shown below. Figure 12As shown, when the two connecting ropes 3 are twisted around the water bag 8, the distance between the connecting frame 4 and the support frame 1 will shorten, causing the height of the connecting frame 4 and the scraper 5 to rise. The degree of shortening of the distance between the connecting frame 4 and the support frame 1 is greater than in Embodiment 1, in order to more effectively change the vertical height of the scraper 5. In addition, when the water bag 8 is wrapped by the connecting ropes 3, the pressure inside the water bag 8 will increase, allowing the water inside the water bag 8 to flow out from the one-way valve.

[0086] In summary, the connecting frame 4 and the scraper 5 can not only rotate inside the flue, but also move up and down in the vertical direction. The connecting rope 3 used to connect the connecting frame 4 and the support frame 1 can also tighten the water bag 8 to pressurize the water in the water bag 8 and make it flow out. This allows water to be used to reduce dust pollution when removing ash from the inner wall of the flue of the chimney 9, which is beneficial to environmental protection.

[0087] In addition, when no water is injected into the water bag 8, the water bag 8 can be folded up to facilitate the use of the connecting rope 3, which can be tied and wrapped, thus saving space for storing or transporting the dust removal device of this embodiment, making it easier to store and transport.

[0088] Surprisingly, using water to absorb the dust during ash removal not only reduces the risk of dust explosions and further improves the safety of ash removal operations, but also allows the water droplets that have absorbed the dust to fall directly, preventing the dust from re-adhering to the flue wall, which helps to improve the ash removal effect.

[0089] Obviously, those skilled in the art can make various modifications and variations to this invention without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this invention and their equivalents, this invention also intends to include these modifications and variations.

Claims

1. A device for removing ash from chimney flues, comprising a support frame, a connecting frame, and a scraper, wherein the end of the connecting frame is provided with a scraper, characterized in that, It also includes a driving component and connecting ropes. The support frame is provided with a driving component for driving the support frame to rotate. The driving component includes multiple fan blades arranged around the support frame. Two connecting ropes are arranged side by side. The upper ends of all connecting ropes are connected to the support frame, and the lower ends of all connecting ropes are connected to the connecting frame. When both the support frame and the connecting frame are stationary, the two connecting ropes are in a parallel position. The fan blades drive the support frame to rotate around the chimney under the action of wind. There is frictional resistance between the scraper blades against the flue wall and the flue wall. The support frame is connected to the connecting frame through a connecting rope. When the support frame rotates, the rotation of the connecting frame is delayed. The support frame can drive the connecting frame to rotate. The rotation of the support frame and the connecting frame is not synchronized, which makes the two connecting ropes easy to get tangled together. When the two connecting ropes are twisted together, the distance between the connecting frame and the support frame will be shortened, so that the connecting frame can not only rotate in the flue, but also move up and down in the vertical direction, so that the scraper on the connecting frame can not only scrape the flue wall in the horizontal plane, but also scrape the flue wall in the vertical direction.

2. The ash removal device for chimney flues as described in claim 1, characterized in that, The connecting rope is made of elastic band.

3. The ash removal device for chimney flues as described in claim 1, characterized in that, Two extension frames are horizontally slidably connected to the connecting frame. The connecting frame is equipped with an adjustment mechanism for adjusting the distance between the two extension frames. The extension frames are detachably connected to the scraper. The support frame is provided with a buckle groove, and the groove wall is provided with a limiting member.

4. The ash removal device for chimney flues as described in claim 3, characterized in that, The adjusting mechanism includes an adjusting screw, a moving block, and adjusting rods. The upper end of the adjusting screw is rotatably connected to the connecting frame, the middle part of the adjusting screw engages with the adjusting screw hole provided on the moving block, the moving block is rotatably connected to the lower ends of the two adjusting rods, and the upper end of the adjusting rods is rotatably connected to the extension frame.

5. The ash removal device for chimney flues as described in claim 3, characterized in that, The limiting component includes a limiting screw and a limiting block. The groove wall of the buckle is provided with a limiting screw hole for cooperating with the limiting screw, and a limiting block is provided at one end of the limiting screw inside the buckle groove.

6. A chimney flue ash removal device as described in any one of claims 1-5, characterized in that, It also includes a water bag, the upper end of which is connected to the middle of the support frame, and the lower end of which is connected to the middle of the connecting frame. The upper end of the water bag is provided with a water inlet and a one-way valve for water inlet. The lower end of the water bag is provided with a water outlet and a one-way valve for water outlet.

7. The ash removal device for chimney flues as described in claim 6, characterized in that, The water outlet is provided in multiple locations.

8. The ash removal device for chimney flues as described in claim 6, characterized in that, The water bag includes a first plate, a second plate, and a bag body. Two first plates are arranged side by side, clamping the upper end of the bag body. Each first plate has a first through hole for communicating with the inner cavity of the bag body. The upper first plate has the water inlet, which communicates with the first through hole. The upper first plate is connected to the support frame. Two second plates are arranged side by side, clamping the lower end of the bag body. Each second second plate has a second through hole for communicating with the inner cavity of the bag body. The lower second plate has the water outlet, which communicates with the second through hole. The lower second plate is connected to the connecting frame.

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