Flue ash removal device

By using high-pressure gas injection and gas recovery in the flue cleaning device, the problem of difficult-to-clean dust inside tanker pipes is solved, achieving efficient dust collection and cleaning, and is suitable for dust cleaning in industrial and construction sites.

CN224261745UActive Publication Date: 2026-05-19JIANGSU SHAGANG STEEL CO LTD +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU SHAGANG STEEL CO LTD
Filing Date
2025-06-20
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

When existing tank trucks are used for evacuation and dust removal, the dust that has been adhering to the inner wall of the pipe for a long time is difficult to be absorbed and removed by the wind.

Method used

The system employs a flue dust removal device that utilizes a circulating blower and vacuum pump in conjunction with an inner air nozzle and an outer air nozzle. Through high-pressure gas injection and gas recovery, it achieves preliminary cleaning of dust from a distance and efficient dust collection.

Benefits of technology

It effectively cleans dust adhering to the inner wall of pipes, improves cleaning efficiency, reduces manual cleaning workload and time costs, and is suitable for dust cleaning in industrial production, construction sites and roads.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of flue ash removal, in particular to a flue ash removal device which comprises a flue, a sealing door movably connected to the surface of one side of the flue in a sleeved mode, two sets of attaching plates movably installed on the surface of the outer side of the bottom of the flue and a limiting sleeve shell movably connected to the wall face of the inner side of the flue in a lap joint mode. And the tank car is detachably installed on the outer side surface of the attaching plate, and an inner container blowing head is fixedly installed on the outer side surface of the limiting sleeve shell. Gas in a first circulating air blower is conveyed through a circulating air pipe and a first air guide pipe, the gas in the first circulating air blower is discharged in a high-pressure mode through an inner container blowing head and an outer blowing head, and the gas in the first circulating air blower is discharged in a high-pressure mode through the inclination angles of output ports of the inner container blowing head and the outer blowing head. And the discharged gas can be diffused to different directions, the absorbed gas is compressed through the inner container gas blowing head, and the gas can be jetted farther by utilizing impact generated by compression.
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Description

Technical Field

[0001] This utility model relates to the field of flue cleaning technology, and in particular to a flue cleaning device. Background Technology

[0002] Tank trucks are typically equipped with vacuum pumps or fans. When these devices operate, they create a certain degree of negative pressure inside the tank. This negative pressure lowers the pressure inside the tank compared to the external environment, creating a pressure difference. As dust enters the tank, it usually passes through filtration devices such as filter screens or filter bags. These filtration devices can intercept larger dust particles, preventing them from entering the vacuum pump or fan and damaging the equipment. This also allows the inhaled dust to be effectively stored and separated within the tank, greatly improving the efficiency of cleaning work and reducing the workload and time costs of manual cleaning. It is also crucial for protecting the health of workers, reducing health problems such as respiratory illnesses caused by prolonged exposure to dust.

[0003] A patent with publication number CN113188139B discloses a flue gas cleaning device for power plants, including a flue and a cleaning assembly. The cleaning assembly is annular. The flue has a first adjustment channel and a second adjustment channel for the cleaning assembly to pass through and rotate circumferentially within it. The cleaning assembly includes a first annular plate and a second annular plate, with several filter units arranged circumferentially between the first and second annular plates. Each filter unit includes a housing filled with a filter element, and the housing has a filter opening for contacting the filter element with the flue gas. The filter element is made of napped cloth or needle-punched felt. This cleaning device is ingeniously structured, easy to use, has complete overall functions, and is highly practical.

[0004] Existing tank trucks use negative pressure to absorb dust from inside the pipes during evacuation and dust removal. However, dust that has been adhering to the inner wall of the pipe for a long time cannot be removed by wind alone. Utility Model Content

[0005] Therefore, the technical problem to be solved by this utility model is to overcome the fact that in the prior art, when tank trucks are evacuated and cleaned, they absorb the dust inside the pipe through a negative pressure state. However, the dust that has been adhering to the inner wall of the pipe for a long time cannot be cleaned off by wind alone.

[0006] To solve the above-mentioned technical problems, this utility model provides a flue cleaning device, including a flue and a closed door movably fitted onto one side surface of the flue, two sets of bonding plates movably installed on the outer surface of the bottom of the flue, a limiting sleeve movably overlapping the inner wall of the flue, and a tanker detachably installed on the outer surface of the bonding plates. An inner liner blowing head is fixedly installed on the outer surface of the limiting sleeve. A support block and a second air guide pipe are fixedly installed on the outer surface of the inner liner blowing head. An outer blowing head movably fitted onto the outer surface of the second air guide pipe and the support block is fixedly connected to one end of the outer surface of the outer liner blowing head. A circulating blower is fixedly installed on the bottom outer surface of one set of bonding plates, and a wheeled metal water pipe storage group is fixedly installed on the bottom outer surface of the other set of bonding plates. A circulating air pipe is fixedly connected to the output end of the circulating blower and disposed on the outer surface of the wheeled metal water pipe storage group. An air guide pipe is fixedly installed on the outer surface of the outer blowing head on the surface of the wheeled metal water pipe storage group.

[0007] In one embodiment of this utility model, an elastic wire and a damping rod are fixedly connected to the outer surface of the limiting sleeve, and the inner wall of the elastic wire wraps around the outer surface of the damping rod.

[0008] In one embodiment of this utility model, the other end of the elastic wire and the damping rod is fixedly connected to a pulley assembly, and the outer surface of the pulley assembly is movably attached to the inner wall of the flue.

[0009] In one embodiment of the present invention, a hook is oscillatingly connected to the top outer surface of the bonding plate, and the inner wall of the hook is movably bonded to the top outer surface of the flue.

[0010] In one embodiment of this utility model, a docking sealing door is movably sleeved on the outer surface of one end of the flue, an airbag is provided on the inner wall of the docking sealing door, and a blower is provided on the outer surface of the airbag.

[0011] In one embodiment of this utility model, a filter box is provided on the inner wall of the docking sealing door, and the other end of the filter box is provided at the receiving end of the circulating blower.

[0012] In one embodiment of the present invention, a sealing door is movably fitted onto the outer surface of the other end of the flue, and a mating buckle that movably fits onto the outer surface of the flue is fixedly connected to the outer surface of the sealing door. A groove that movably fits onto the outer surface of the air guide pipe is opened on the outer surface of the sealing door.

[0013] In one embodiment of the present invention, a vacuum pump is provided on the top surface of the tanker, and valves are provided on the outer surfaces of both ends of the vacuum pump. One end of the valve is provided with a pipe that can be detachably installed on an output end of a circulating blower.

[0014] The above-mentioned technical solution of this utility model has the following advantages compared with the prior art:

[0015] The flue dust removal device of this utility model transports gas from inside a circulating blower through a circulating air pipe and a guide pipe. The gas inside the circulating blower is discharged at high pressure through an inner air nozzle and an outer air nozzle. The inclined angle of the outlet of the inner air nozzle and the outer air nozzle allows the discharged gas to diffuse to different directions. The inner air nozzle compresses the absorbed gas, and the impact generated by the compression allows the gas to be sprayed a longer distance, initially cleaning some loose dust at a distance. This causes the dust to accumulate in the cavity inside the flue, and with the continuous pushing of gas from the inner air nozzle, the dust is pushed further away.

[0016] The flue dust removal device described in this utility model absorbs the gas accumulated inside the filter box when dust accumulates inside the flue, and then pumps the gas back into the circulating blower for secondary gas recovery and reuse. A vacuum pump extracts another portion of the gas, and through a pipeline, the dust and impurities accumulated inside the filter box are guided into the vacuum pump along with the gas flow, thus recovering the dust. This device can quickly and effectively collect dust from various environments, including dust from industrial production sites, construction sites, and roads, significantly improving cleaning efficiency and reducing the workload and time costs of manual cleaning. Attached Figure Description

[0017] To make the contents of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0018] Figure 1 This is a perspective view of the present invention;

[0019] Figure 2 This is a three-dimensional view of the flue in this utility model;

[0020] Figure 3 This is a three-dimensional cross-sectional view of the flue in this utility model;

[0021] Figure 4 This is a perspective view of the enclosed door in this utility model.

[0022] Figure 5 This is a perspective view of the limiting sleeve in this utility model;

[0023] Figure 6 This is a three-dimensional view of the bonding plate in this utility model.

[0024] Instruction manual drawing reference numerals: 11. Flue; 12. Sealed door; 121. Groove; 122. Connecting buckle; 13. Adhesive plate; 131. Hook; 132. Wheeled metal water pipe storage assembly; 133. Air guide pipe one; 134. Circulating blower one; 135. Circulating air pipe; 136. Connecting sealing door; 137. Airbag; 138. Filter box; 139. Blower two; 14. Limiting sleeve; 141. Elastic wire; 142. Damping rod; 143. Pulley block; 144. Inner liner air blowing head; 145. Support block; 146. Air guide pipe two; 147. External air blowing head; 15. Tank truck; 151. Vacuum pump; 152. Valve; 153. Pipeline. Detailed Implementation

[0025] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments are not intended to limit the present invention.

[0026] Reference Figure 1 - Figure 6 As shown, this utility model discloses a flue cleaning device, including a flue 11 and a closed door 12 movably fitted onto one side surface of the flue 11, two sets of bonding plates 13 movably installed on the outer surface of the bottom of the flue 11, a limiting sleeve 14 movably overlapping the inner wall of the flue 11, and a tanker 15 detachably installed on the outer surface of the bonding plate 13. An inner liner blowing head 144 is fixedly installed on the outer surface of the limiting sleeve 14. A support block 145 and a second air guide pipe 146 are respectively fixedly installed on the outer surface of the inner liner blowing head 144. The second air guide pipe 146 and the support block 145... An external air head 147 is fixedly connected to the outer surface of the inner liner air head 144 and is movably sleeved on the outer surface of the inner liner air head 144; a circulating blower 134 is fixedly installed on the bottom outer surface of a set of bonding plates 13, and a wheel-type metal water pipe storage group 132 is fixedly installed on the bottom outer surface of another set of bonding plates 13. A circulating air pipe 135 is fixedly connected to the output end of the circulating blower 134 and is provided on the outer surface of the wheel-type metal water pipe storage group 132. An air guide pipe 133 is fixedly installed on the outer surface of the external air head 147 on the surface of the wheel-type metal water pipe storage group 132.

[0027] At this time, the gas inside the circulating blower 134 is transported through the circulating air pipe 135 and the air guide pipe 133, and the gas inside the circulating blower 134 is discharged at high pressure through the inner air head 144 and then the outer air head 147. The inclined angle of the outlet of the inner air head 144 and the outer air head 147 allows the discharged gas to diffuse to different directions. The gas sprayed by the inner air head 144 can initially clean some loose dust at a distance, causing the dust to accumulate in the cavity inside the flue 11. With the continuous push of the gas from the inner air head 144, the dust is pushed to a distance.

[0028] Reference Figure 1 - Figure 6 As shown, in one embodiment of this utility model, elastic wires 141 and damping rods 142 are fixedly connected to the outer surfaces of the limiting sleeve 14. The inner wall of the elastic wire 141 wraps around the outer surface of the damping rod 142. The other ends of the elastic wire 141 and the damping rod 142 are fixedly connected to a pulley assembly 143. The outer surface of the pulley assembly 143 movably overlaps the inner wall of the flue 11. A hook 131 is swayably connected to the top outer surface of the bonding plate 13. The inner wall of the hook 131 movably fits against the top outer surface of the flue 11. A mating joint is movably sleeved on the outer surface of one end of the flue 11. A sealing door 136 is connected to an airbag 137 on the inner wall of the sealing door 136. A blower 139 is provided on the outer surface of the airbag 137. A filter box 138 is provided on the inner wall of the sealing door 136. The other end of the filter box 138 is provided at the receiving end of the circulating blower 134. A sealing door 12 is movably sleeved on the outer surface of the other end of the flue 11. A docking buckle 122 is fixedly connected to the outer surface of the sealing door 12 and is movably attached to the outer surface of the flue 11. A slot 121 is opened on the outer surface of the sealing door 12 and is movably sleeved on the outer surface of the air guide pipe 133.

[0029] During pipe cleaning, the connecting sealing door 136 is first placed at the end of the pipe, and the airbag 137 on the inner wall of the connecting sealing door 136 is inflated by the blower 139. The inflated airbag 137 will adhere to the inner wall of the flue 11, and the bonding plate 13 will be attached to the bottom surfaces of both ends of the flue 11. According to the length of the pipe, the circulating air pipe 135 inside the wheeled metal water pipe storage assembly 132 is extended, the limiting sleeve 14 is inserted into the flue 11, and the pulley assembly 143 is elastically extended and retracted by the elastic wire 141, and the pulley assembly 143 is attached to the inner wall of the flue 11, and the seal is closed. Door 12 closes on the outer surface of the other end of flue 11, and the thickness of the door 12 allows it to adhere to the inner wall of flue 11. The mating buckle 122 on the outer surface of the door 12 then adheres to the outer surface of flue 11. The thickness of the door 12 and the mating buckle 122 together limit the door to the surface of flue 11, increasing the tightness and stability of the door 12. The mating sealing door 136 and the door 12 then seal both ends of flue 11, creating a relatively enclosed space inside flue 11. This greatly prevents dust from spreading out when cleaning inside flue 11.

[0030] Reference Figure 1 As shown, in one embodiment of the present invention, a vacuum pump 151 is provided on the top surface of the tanker 15, and valves 152 are provided on the outer surfaces of both ends of the vacuum pump 151. One end of the valve 152 is provided with a pipe 153 that is detachably installed on the output end of the circulating blower 134.

[0031] When dust accumulates inside the flue 11, the circulating blower 134 absorbs the gas accumulated inside the filter box 138 and pumps the gas back into the circulating blower 134 for secondary gas recovery. The vacuum pump 151 extracts another portion of the gas, and the dust and impurities accumulated inside the filter box 138 are pumped into the vacuum pump 151 along with the gas flow through the pipe 153, thereby recovering the dust. This allows for the rapid and effective collection of dust from various environments, including dust from industrial production sites, construction sites, and roads, significantly improving cleaning efficiency and reducing the workload and time costs of manual cleaning.

[0032] Working principle: During pipe cleaning, the connecting sealing door 136 is first attached to the end of the pipe. The blower 139 inflates the airbag 137 on the inner wall of the connecting sealing door 136. The inflated airbag 137 adheres to the inner wall of the flue 11, and the bonding plate 13 is attached to the bottom surfaces of both ends of the flue 11. Based on the pipe length, the circulating air pipe 135 inside the wheeled metal water pipe housing 132 is extended. The limiting sleeve 14 is inserted into the flue 11, and the pulley assembly 143 is elastically extended and retracted via the elastic wire 141, attaching the pulley assembly 143 to the inner wall of the flue 11. The sealing door 12 is closed on the outer surface of the other end of the flue 11, and can be attached to the inner wall of the flue 11 by the thickness of the sealing door 12. Then, the mating buckle 122 on the outer surface of the sealing door 12 is attached to the outer surface of the flue 11. The thickness of the sealing door 12 and the mating buckle 122 are used to fix the sealing door 12 to the surface of the flue 11, increasing the tightness and stability of the sealing door 12. Then, the two ends of the flue 11 are sealed by the mating sealing door 136 and the sealing door 12, so that the inside of the flue 11 is in a relatively closed space, which can greatly prevent the dust inside the flue 11 from spreading out when cleaning the dust inside the flue 11.

[0033] At this time, the gas inside the circulating blower 134 is transported through the circulating air pipe 135 and the air guide pipe 133, and the gas inside the circulating blower 134 is discharged at high pressure through the inner air head 144 and then the outer air head 147. The inclined angle of the outlet of the inner air head 144 and the outer air head 147 allows the discharged gas to diffuse to different directions. The gas sprayed by the inner air head 144 can initially clean some loose dust at a distance, causing the dust to accumulate in the cavity inside the flue 11. With the continuous push of the gas from the inner air head 144, the dust is pushed to a distance.

[0034] Obviously, the above embodiments are merely illustrative examples for clarity and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A flue cleaning device, comprising a flue (11) and a closed door (12) movably sleeved on one side surface of the flue (11), two sets of bonding plates (13) movably installed on the outer surface of the bottom of the flue (11), a limiting sleeve (14) movably overlapping the inner wall of the flue (11), and a tanker (15) detachably installed on the outer surface of the bonding plates (13), characterized in that: An inner liner blowing head (144) is fixedly installed on the outer surface of the limiting sleeve (14). A support block (145) and a second air guide tube (146) are fixedly installed on the outer surface of the inner liner blowing head (144). An outer blowing head (147) is movably sleeved on the outer surface of the inner liner blowing head (144) and the support block (145) at one end of the outer surface of the second air guide tube (146) and the support block (145). A set of bonding plates (13) is fixedly installed on the bottom outer surface of the inner liner blowing head (144). There is a circulating blower (134), and a wheel-type metal water pipe storage group (132) is fixedly installed on the bottom outer surface of another set of bonding plates (13). A circulating air pipe (135) is fixedly connected to the output end of the circulating blower (134) and is provided on the outer surface of the wheel-type metal water pipe storage group (132). A guide pipe (133) is fixedly installed on the outer surface of the external air blowing head (147) on the surface of the wheel-type metal water pipe storage group (132).

2. The flue dust removal device according to claim 1, characterized in that: Elastic wires (141) and damping rods (142) are fixedly connected to the outer surfaces of the limiting sleeve (14), and the inner wall of the elastic wires (141) wraps around the outer surface of the damping rods (142).

3. The flue dust removal device according to claim 2, characterized in that: The other end of the elastic wire (141) and damping rod (142) is fixedly connected to a pulley block (143), and the outer surface of the pulley block (143) is movably attached to the inner wall of the flue (11).

4. The flue dust removal device according to claim 3, characterized in that: A hook (131) is oscillatingly connected to the top outer surface of the bonding plate (13), and the inner wall of the hook (131) is movably attached to the top outer surface of the flue (11).

5. A flue dust removal device according to claim 4, characterized in that: A docking sealing door (136) is movably sleeved on the outer surface of one end of the flue (11). An airbag (137) is provided on the inner wall of the docking sealing door (136), and a blower (139) is provided on the outer surface of the airbag (137).

6. The flue dust removal device according to claim 5, characterized in that: A filter box (138) is provided on the inner wall of the docking sealing door (136), and the other end of the filter box (138) is provided at the receiving end of the circulating blower (134).

7. A flue dust removal device according to claim 6, characterized in that: A sealing door (12) is movably fitted onto the outer surface of the other end of the flue (11). A docking buckle (122) that is movably attached to the outer surface of the flue (11) is fixedly connected to the outer surface of the sealing door (12). A slot (121) that is movably fitted onto the outer surface of the air guide pipe (133) is opened on the outer surface of the sealing door (12).

8. The flue dust removal device according to claim 1, characterized in that: A vacuum pump (151) is provided on the top surface of the tanker (15), and valves (152) are provided on the outer surfaces of both ends of the vacuum pump (151). One end of the valve (152) is provided with a pipe (153) that can be detachably installed on the output end of the circulating blower (134).