Boiler flue ash removal structure with collection function in waste incineration power generation

By designing an adsorption collection structure combining wind power and pulse cleaning in the boiler flue, the problem of dust in the boiler flue is difficult to clean and drop and the dust in the inner wall of the boiler flue is solved, and the flue is unblocked and the boiler thermal efficiency is improved.

CN222578275UActive Publication Date: 2025-03-07XIXIAN NEW DISTRICT BEIKONG ENVIRONMENTAL PROTECTION TECH DEV CO LTD
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Patent Information

Application Number
CN202421800691.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-29
Publication Date
2025-03-07
Estimated Expiration
2034-07-29

AI Technical Summary

Technical Problem

The existing boiler flue ash cleaning structure is difficult to effectively clean up dust in the flue in the waste incineration power generation boiler flue, and the cleaned dust is easily dropped to the bottom of the boiler, affecting the long-term operation of the boiler and the flue exhaust efficiency.

Method used

A boiler flue cleaning structure including a wind-powered soot blowing structure, a pulse-powered cleaning structure and an adsorption collection structure was designed. The dust in the inner wall of the flue was wind-powered and pulsed by a high-pressure centrifugal fan and a pulse shock blower, and the cleaned dust was sucked in and stored using the vacuum cleaner and collection assembly.

Benefits of technology

It effectively improves the dust cleaning ability of the inner wall of the boiler flue, prevents dust from falling to the bottom of the boiler furnace, keeps the flue unobstructed, and improves the thermal efficiency and long-term operation stability of the boiler.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of flue cleaning, in particular to a boiler flue ash cleaning structure with a collecting function in waste incineration power generation, and aims to solve the technical problem that when the boiler flue ash cleaning structure is used, an ash blowing structure is difficult to clean and collect dust accumulated in a flue; according to the technical scheme, the boiler flue ash removal structure with the collecting function in waste incineration power generation comprises a pulse shock wave ash blower, a supporting assembly, a storage assembly, a dust blowing assembly, a flue assembly, a bearing assembly and a collecting assembly; according to the utility model, the high-pressure centrifugal fan is matched with the pulse shock wave soot blower, so that dust accumulated in the flue main body can be cleaned by wind power, stubborn dust can be blown in a pulse shock wave manner, and the cleaned dust is collected and stored by the dust collector matched with the dust collection head; the boiler flue ash removal structure solves the problem that when the boiler flue ash removal structure is used, an ash blowing structure is difficult to clean and collect ash accumulated in a flue well.
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Description

Technical Field

[0001] The utility model belongs to the field of flue cleaning, and in particular relates to a boiler flue ash cleaning structure with a collection function in garbage incineration power generation. Background Art

[0002] The boiler flue cleaning structure is a design used to remove dust and dirt accumulated in the boiler flue. The main purpose of the cleaning structure is to keep the flue unobstructed, improve the thermal efficiency of the boiler, and ensure the normal operation of the boiler.

[0003] When the existing boiler flue cleaning structure is used in the flue of a waste incineration power generation boiler, the single soot blowing structure is difficult to effectively remove the ash deposited on the tube wall in the flue, which easily leads to a decrease in the heat absorption of the heating surface tubes in the flue, causing the flue gas temperature in the heating surface areas such as the evaporation screen and high-temperature superheater in the horizontal flue to exceed the design value, and making the boiler unable to operate continuously at full load. In addition, the dust after cleaning often falls into the bottom of the boiler, thereby further affecting the exhaust efficiency of the flue when the boiler is used next time.

[0004] Therefore, in view of the problem that when the above-mentioned boiler flue cleaning structure is used in the flue of a waste incineration power generation boiler, its single soot blowing structure is difficult to effectively clean the dust accumulated on the inner wall of the flue, and the cleaned dust will still fall to the bottom of the ash boiler, continuing to affect the flue exhaust efficiency of the boiler when it is used next time, a boiler flue cleaning structure with a collection function in waste incineration power generation is developed. By adding a wind soot blowing structure, a pulse soot cleaning structure and an adsorption collection structure to the boiler flue cleaning structure, the operating personnel can efficiently clean the accumulated dust on the surface of the heating surface in the flue, keep the heating surface pipe wall in the flue clean, improve the heat exchange rate of the boiler heating surface pipe, improve the boiler thermal efficiency, and ensure long-term operation of the boiler. Utility Model Content

[0005] In order to overcome the problem that when the boiler flue cleaning structure is in use, its soot blowing structure is difficult to properly clean and collect the dust accumulated in the flue, thereby affecting the working efficiency of the boiler.

[0006] The technical solution of the utility model is: a boiler flue ash cleaning structure with a collection function in waste incineration power generation, including a pulse shock wave soot blower, and also including a support component, a storage component, a dust blowing component, a flue component, a bearing component, and a collection component. The outer wall of the flue component is installed with three groups of support components distributed equidistantly, the support component is provided with a dust blowing component for wind cleaning of dust accumulated on the inner wall of the flue component, the dust blowing component is installed with a pulse shock wave soot blower for pulse cleaning of dust accumulated on the inner wall of the flue component, the dust blowing component is provided with a bearing component for supporting and fixing the collection component, the bearing component is installed with a U-shaped collection component, and the collection component is provided with a storage component with a built-in dust suction function.

[0007] Preferably, the dust accumulated on the inner wall of the smoke pipe assembly can be cleaned by high-pressure and high-speed wind blowing through the dust blowing assembly, and the stubborn dust can be pulse-cleaned by a pulse shock wave soot blower to enhance the device's ability to clean the dust on the inner wall of the flue assembly, and the cleaned dust is sucked in and collected by the storage assembly and the collection assembly to prevent it from falling and being deposited on the bottom of the boiler furnace.

[0008] Preferably, the flue assembly includes a flue main body, a support block, a first groove body, and a through hole. The outer wall of the flue main body is fixedly connected to nine support blocks evenly distributed around the flue main body. The left and right ends of the support block are penetrated by a first groove body, and the left and right ends of the support block are penetrated by vertically symmetrical through holes. When in use, the connecting pipe can be supported and fixed by the support block in conjunction with the first groove body, and the through hole can support and fix the collecting pipe to improve its stability during operation.

[0009] Preferably, the support assembly includes a support frame, a first mounting groove, and a second mounting groove. The three support frames are equidistantly fixed to the outer wall of the flue body. The front and rear ends of the support frame are penetrated by three groups of first mounting grooves and second mounting grooves equidistantly distributed around the support frame. When in use, the support frame can cooperate with the first mounting groove and the second mounting groove to limit and fix the high-pressure centrifugal fan and the vacuum cleaner.

[0010] Preferably, the dust blowing assembly includes a high-pressure centrifugal fan, a connecting pipe, an air outlet ring pipe, and an air outlet. The high-pressure centrifugal fan is installed in the first installation groove, the rear end of the high-pressure centrifugal fan is fixedly connected to one end of the connecting pipe, the other end of the connecting pipe is fixedly connected to the air outlet ring pipe, the outer wall of the air outlet ring pipe is fixedly connected to eight air outlets evenly distributed around the air outlet ring pipe, and the lower end of the air outlet ring pipe is fixedly connected to a pulse shock wave soot blower. When in use, high-speed flowing air can be blown out from the air outlet by the high-pressure centrifugal fan, and the dust accumulated in the flue main body can be cleaned by wind, and the pulse shock wave soot blower is used to perform pulse shock wave soot blowing on the accumulated dust, so as to improve the cleaning effect of the device on the flue main body.

[0011] Preferably, the bearing assembly includes a bearing frame, a bearing block, and a second trough body. The outer wall of the connecting tube is fixedly connected to the bearing frame, and the outer wall of the bearing frame is fixedly connected to two bearing blocks equidistantly distributed around the bearing frame. The second trough body is penetrated through the upper and lower ends of the bearing block. When in use, the collecting tube can be limited and fixed by the bearing frame, thereby improving the stability of the collecting tube during operation.

[0012] Preferably, the collecting assembly includes a collecting tube, a U-shaped tube, and a dust collecting head. The collecting tube is installed in the second slot body. One end of the collecting tube passes through the through hole and is fixedly connected to the dust collecting head. The other ends of the two collecting tubes are respectively fixedly connected to the two ends of the U-shaped tube. When in use, the dust cleaned by the wind dust removal structure and the pulse dust removal structure can be adsorbed by the vacuum cleaner in combination with the dust collecting head, and the dust can be transported to the vacuum cleaner through the collecting tube and the U-shaped tube for storage.

[0013] Preferably, the storage assembly includes a vacuum cleaner and a storage tube. The vacuum cleaner is installed in the first installation groove. The rear end of the vacuum cleaner is fixedly connected to the storage tube. The rear end of the storage tube is fixedly connected to the U-shaped tube. When in use, the storage tube can be connected to the U-shaped tube and the dust adsorbed in the vacuum cleaner head can be transported to the vacuum cleaner for storage.

[0014] Beneficial effects of the utility model:

[0015] 1. The dust blowing component can be used in conjunction with the pulse shock wave soot blower to blow away the dust accumulated on the inner wall of the smoke pipe component, and the stubborn dust can be cleaned by pulse, so as to improve the cleaning ability of the device for the dust on the inner wall of the flue component. The cleaned dust will be sucked and collected by the collection component provided with suction by the storage component, so as to prevent it from falling and being deposited on the bottom of the boiler furnace;

[0016] 2. The collecting tube can be limited and fixed by the bearing frame, and the stability of the collecting tube during operation can be improved, thereby improving the stability of the device during use;

[0017] 3. The connecting pipe can be supported and fixed by the support block in cooperation with the first trough body, while the through hole can support and fix the collecting pipe to improve its stability during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 What is shown is a three-dimensional structural schematic diagram of a boiler flue dust cleaning structure with a collection function in a waste incineration power generation according to the utility model;

[0019] Figure 2 What is shown is a schematic diagram of the three-dimensional structure disassembly of a boiler flue dust cleaning structure with a collection function in a waste incineration power generation according to the utility model;

[0020] Figure 3 What is shown is a three-dimensional structural schematic diagram of a flue assembly of a boiler flue cleaning structure with a collection function in a waste incineration power generation according to the utility model;

[0021] Figure 4 What is shown is a three-dimensional structural disassembly schematic diagram of a supporting component of a boiler flue dust cleaning structure with a collection function in a waste incineration power generation according to the utility model;

[0022] Figure 5 The schematic diagram of the three-dimensional structure of the dust blowing component and the pulse shock wave soot blower of the boiler flue dust cleaning structure with a collection function in the waste incineration power generation of the utility model is shown;

[0023] Figure 6 What is shown is a schematic diagram of the three-dimensional structure disassembly of a storage component, a bearing component and a collection component of a boiler flue cleaning structure with a collection function in a waste incineration power generation according to the utility model.

[0024] Explanation of the reference numerals: 101-support frame, 102-first mounting slot, 103-second mounting slot, 201-dust collector, 202-storage tube, 301-high-pressure centrifugal fan, 302-connecting tube, 303-air outlet ring tube, 304-air outlet, 401-flue main body, 402-support block, 403-first tank body, 404-through hole, 501-support frame, 502-support block, 503-second tank body, 601-collecting tube, 602-U-shaped tube, 603-dust collector head, 7-pulse shock wave soot blower. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0026] See also Figure 1-2 The utility model provides an embodiment: a boiler flue dust cleaning structure with a collection function in waste incineration power generation, including a pulse shock wave soot blower 7, and also including a support component, a storage component, a dust blowing component, a flue component, a bearing component, and a collection component. The outer wall of the flue component is equipped with three groups of support components distributed equidistantly, and a dust blowing component for wind cleaning of dust accumulated on the inner wall of the flue component is arranged on the support component. The dust blowing component is equipped with a pulse shock wave soot blower 7 for pulse cleaning of dust accumulated on the inner wall of the flue component. The dust blowing component A bearing assembly for supporting and fixing the collecting assembly is arranged on the bearing assembly, a U-shaped collecting assembly is installed on the bearing assembly, and a storage assembly with a dust suction function is arranged on the collecting assembly. The dust accumulated on the inner wall of the smoke pipe assembly can be cleaned by high-pressure wind blowing through the dust blowing assembly, and the pulse shock wave soot blower 7 can be used to perform pulse cleaning on stubborn dust to enhance the cleaning ability of the device for the dust on the inner wall of the flue assembly, and the cleaned dust is sucked in and collected by the storage assembly and the collecting assembly to prevent it from falling and being deposited on the bottom of the boiler furnace.

[0027] See also Figure 3-4In this embodiment, the flue assembly includes a flue body 401, a support block 402, a first slot body 403, and a through hole 404. The outer wall of the flue body 401 is fixedly connected with nine support blocks 402 that are evenly distributed around the flue body 401. The left and right ends of the support block 402 are penetrated with the first slot body 403. The left and right ends of the support block 402 are penetrated with through holes 404 that are symmetrical up and down. When in use, the support block 402 cooperates with the first slot body 403 to support and fix the connecting pipe 302, and the through hole 404 can be used to fix the collecting pipe 60. 1 is supported and fixed to improve its stability during operation. The support assembly includes a support frame 101, a first mounting groove 102, and a second mounting groove 103. The three support frames 101 are equidistantly fixed to the outer wall of the flue body 401. The front and rear ends of the support frame 101 are penetrated with three groups of first mounting grooves 102 and second mounting grooves 103 that are equidistantly distributed around the support frame 101. When in use, the support frame 101 can cooperate with the first mounting grooves 102 and the second mounting grooves 103 to limit and fix the high-pressure centrifugal fan 301 and the dust collector 201.

[0028] See also Figure 5 In the present embodiment, the dust blowing assembly includes a high-pressure centrifugal fan 301, a connecting pipe 302, an air outlet ring pipe 303, and an air outlet 304. The high-pressure centrifugal fan 301 is installed in the first installation groove 102. The rear end of the high-pressure centrifugal fan 301 is fixedly connected to one end of the connecting pipe 302, and the other end of the connecting pipe 302 is fixedly connected to the air outlet ring pipe 303. The outer wall of the air outlet ring pipe 303 is fixedly connected to eight air outlets 304 that are evenly distributed around the air outlet ring pipe 303. The lower end of the air outlet ring pipe 303 is fixedly connected to a pulse shock wave soot blower 7. When in use, high-speed flowing air can be blown out from the air outlet 304 by the high-pressure centrifugal fan 301, so that the dust accumulated in the flue main body 401 can be cleaned by wind, and the pulse shock wave soot blower 7 is used to perform pulse shock wave soot blowing on the accumulated dust, so as to improve the cleaning effect of the device on the flue main body 401.

[0029] See also Figure 6In this embodiment, the bearing assembly includes a bearing frame 501, a bearing block 502, and a second slot body 503. The outer wall of the connecting pipe 302 is fixedly connected to the bearing frame 501. The outer wall of the bearing frame 501 is fixedly connected to two bearing blocks 502 that are evenly distributed around the bearing frame 501. The upper and lower ends of the bearing blocks 502 are penetrated by the second slot body 503. When in use, the collecting pipe 601 can be limited and fixed by the bearing frame 501, and the stability of the collecting pipe 601 during operation can be improved. The collecting assembly includes a collecting pipe 601, a U-shaped pipe 602, and a dust collecting head 603. The collecting pipe 601 is installed in the second slot body 503. One end of the collecting pipe 601 passes through the through hole 404 and is fixedly connected to the dust collecting head 603. The two collecting pipes 60 The other end of 1 is fixedly connected to the two ends of the U-shaped tube 602. When in use, the dust removed by the wind dust removal structure and the pulse dust removal structure can be adsorbed by the vacuum cleaner 201 in cooperation with the vacuum head 603, and the dust is transported to the vacuum cleaner 201 through the collecting pipe 601 and the U-shaped tube 602 for storage. The storage component includes the vacuum cleaner 201 and the storage tube 202. The vacuum cleaner 201 is installed in the first installation groove 102. The rear end of the vacuum cleaner 201 is fixedly connected to the storage tube 202. The rear end of the storage tube 202 is fixedly connected to the U-shaped tube 602. When in use, the storage tube 202 can be connected to the U-shaped tube 602, and the dust adsorbed in the vacuum head 603 can be transported to the vacuum cleaner 201 for storage.

[0030] When working, first, turn off the boiler, and start the high-pressure centrifugal fan 301 and the pulse shock wave soot blower 7. The high-pressure centrifugal fan 301 blows out high-pressure and high-speed airflow, which is transported to the multiple air outlets 304 through the pipeline, and the dust accumulated on the inner wall of the flue body 401 is cleaned by wind.

[0031] Next, the pulse shock wave soot blower 7 can be used to perform pulse shock wave cleaning on the stubborn dust deposits that are difficult to clean by wind, so as to clean the dust deposits from the inner wall of the flue body 401;

[0032] Then, in cooperation with the mobile vacuum cleaner 201, the vacuum cleaner 201 provides suction to the vacuum head 603, and uses the suction to adsorb the dust deposits cleaned by the wind force and pulses, and transports them to the vacuum cleaner 201 for storage.

[0033] Through the above steps, the high-pressure centrifugal fan 301 cooperates with the pulse shock wave soot blower 7 to clean the dust accumulated in the flue main body 401 by wind and blow the stubborn dust by pulse shock wave method, and the vacuum cleaner 201 cooperates with the vacuum head 603 to collect and store the cleaned dust, so as to improve the cleaning effect of the flue main body 401 by the device, and solves the problem that when the boiler flue cleaning structure is in use, its soot blowing structure is difficult to better clean and collect the dust accumulated in the flue.

[0034] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A boiler flue ash cleaning structure with a collection function in waste incineration power generation, comprising a pulse shock wave soot blower (7), characterized in that: The invention also comprises a support component, a storage component, a dust blowing component, a flue component, a bearing component and a collection component. The outer wall of the flue component is installed with three groups of support components which are equidistantly distributed. The support component is provided with a dust blowing component for performing wind cleaning on the dust accumulated on the inner wall of the flue component. The dust blowing component is installed with a pulse shock wave soot blower (7) for performing pulse cleaning on the dust accumulated on the inner wall of the flue component. The dust blowing component is provided with a bearing component for supporting and fixing the collection component. The bearing component is installed with a U-shaped collection component. The collection component is provided with a storage component with a self-contained dust suction function.

2. According to claim 1, a boiler flue dust cleaning structure with a collection function in waste incineration power generation is characterized by: The flue assembly comprises a flue body (401), a support block (402), a first groove body (403), and a through hole (404); the outer wall of the flue body (401) is fixedly connected with nine support blocks (402) which are evenly distributed around the flue body (401); the left and right ends of the support blocks (402) are penetrated by the first groove body (403); and the left and right ends of the support blocks (402) are penetrated by through holes (404) which are symmetrical in upper and lower directions.

3. The boiler flue dust cleaning structure with collection function in waste incineration power generation according to claim 2 is characterized by: The support assembly comprises a support frame (101), a first mounting groove (102), and a second mounting groove (103); the three support frames (101) are fixedly connected to the outer wall of the flue body (401) at equal distances; and three groups of first mounting grooves (102) and second mounting grooves (103) are provided at the front and rear ends of the support frame (101) and are evenly distributed around the support frame (101).

4. The boiler flue dust cleaning structure with collection function in waste incineration power generation according to claim 3 is characterized by: The dust blowing assembly comprises a high-pressure centrifugal fan (301), a connecting pipe (302), an air outlet ring pipe (303), and an air outlet (304). The high-pressure centrifugal fan (301) is installed in the first installation groove (102). The rear end of the high-pressure centrifugal fan (301) is fixedly connected to one end of the connecting pipe (302), the other end of the connecting pipe (302) is fixedly connected to the air outlet ring pipe (303), the outer wall of the air outlet ring pipe (303) is fixedly connected to eight air outlets (304) equidistantly distributed around the air outlet ring pipe (303), and the lower end of the air outlet ring pipe (303) is fixedly connected to a pulse shock wave soot blower (7).

5. The boiler flue dust cleaning structure with collection function in waste incineration power generation according to claim 4 is characterized by: The bearing assembly comprises a bearing frame (501), a bearing block (502), and a second slot body (503); the outer wall of the connecting pipe (302) is fixedly connected to the bearing frame (501); the outer wall of the bearing frame (501) is fixedly connected to two bearing blocks (502) equidistantly distributed around the bearing frame (501); and the second slot body (503) is penetrated through the upper and lower ends of the bearing blocks (502).

6. A boiler flue ash cleaning structure with collection function in waste incineration power generation according to claim 5, characterized in that: The collecting assembly comprises a collecting tube (601), a U-shaped tube (602), and a dust collecting head (603); the collecting tube (601) is installed in the second tank body (503); one end of the collecting tube (601) passes through the through hole (404) and is fixedly connected to the dust collecting head (603); the other ends of the two collecting tubes (601) are respectively fixedly connected to the two ends of the U-shaped tube (602).

7. A boiler flue ash cleaning structure with collection function in waste incineration power generation according to claim 6, characterized in that: The storage assembly comprises a vacuum cleaner (201) and a storage tube (202); the vacuum cleaner (201) is installed in the first installation groove (102); the rear end of the vacuum cleaner (201) is fixedly connected to the storage tube (202); and the rear end of the storage tube (202) is fixedly connected to the U-shaped tube (602).