CN218379450U - Ash removal cleaning device for waste heat boiler - Google Patents
Ash removal cleaning device for waste heat boiler Download PDFInfo
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- CN218379450U CN218379450U CN202220254969.1U CN202220254969U CN218379450U CN 218379450 U CN218379450 U CN 218379450U CN 202220254969 U CN202220254969 U CN 202220254969U CN 218379450 U CN218379450 U CN 218379450U
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- heat boiler
- cleaning device
- waste heat
- ash removal
- removal cleaning
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Abstract
The utility model discloses a dust removal belt cleaning device for exhaust-heat boiler, including the explosion chamber, the one end of explosion chamber is equipped with the intake pipe, and the other end is equipped with the pulse tube, the pulse tube extends in the Australian furnace exhaust-heat boiler horizontal segment. The utility model discloses in, utilize combustible gas to produce the high-speed shock wave of certain intensity in the chamber of exploding fast burning, the beam tube surface of repeated action and deposition to hit deposition or ash dirt down, accomplish the clearance to the beam tube. Promote traditional manual work clearance dust for automatic sweeping, effectively reduced personnel intensity of labour and the safe risk of deashing. The dust emission and the smoke dissipation generated during cleaning are greatly reduced, and the win-win effects in multiple aspects of environmental protection, economy and social benefits are achieved.
Description
Technical Field
The utility model relates to a negative pressure drainage technical field, concretely relates to waste heat boiler is with ash removal belt cleaning device.
Background
The horizontal section of the waste heat boiler of the Australian furnace consists of four groups of suspension tube bundles (a slag coagulation tube bundle, a convection tube bundle 1, a convection tube bundle 2 and a convection tube bundle 3). After long-term use, the boiler tube bundle dust deposition seriously troubles the production of power plants once. The temperature of flue gas at the outlet of the horizontal section of the waste heat boiler of the Australian furnace is high, the evaporation capacity of the waste heat boiler of the Australian furnace is reduced year by year, the electric dust collection and collection efficiency of the Australian furnace is low, and the feeding amount of the Australian furnace is further limited. Therefore, it is necessary to design an ash removal cleaning device for a waste heat boiler to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dust removal belt cleaning device for exhaust-heat boiler to solve after long-term the use, the serious technical problem of boiler tube bank deposition.
In order to achieve the above object, the utility model provides a following technical scheme:
the ash removal cleaning device for the waste heat boiler comprises an explosion chamber, wherein an air inlet pipe is arranged at one end of the explosion chamber, a pulse pipe is arranged at the other end of the explosion chamber, and the pulse pipe extends into the horizontal section of the Australian furnace waste heat boiler.
Further, the air inlet pipe is communicated with the combustible gas air supply pipe and the air supply pipe.
Further, the inner diameter of the air inlet pipe is smaller than the minimum inner diameter of the pulse pipe, and the minimum inner diameter of the pulse pipe is smaller than the inner diameter of the explosion chamber.
Furthermore, combustible gas air supply pipe and air supply pipe all are equipped with the control valve, the control valve all is connected with the remote control end.
Furthermore, one end of the pulse tube, which is far away from the explosion chamber, is of a bell-mouth-shaped structure.
Furthermore, the explosion chamber, the air inlet pipe and the pulse pipe are all made of high-temperature-resistant high-strength alloy.
Furthermore, the explosion chamber and the pulse tube are both vertically arranged.
Furthermore, the horizontal section of the Australian furnace waste heat boiler can be provided with a plurality of groups of ash removal cleaning devices comprising an explosion chamber, an air inlet pipe and a pulse pipe, and the ash removal cleaning devices work alternately.
Furthermore, eight groups are uniformly arranged on the ash removal cleaning device.
Further, the ash removal cleaning devices are all positioned at the top of the first convection current pipes.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses, utilize combustible gas fast combustion (deflagration) to produce the high-speed shock wave of certain intensity in the explosion chamber, the beam tube surface of repeated action and deposition to hit deposition or ash dirt down, accomplish the clearance to the beam tube.
Promote traditional manual work clearance dust for automatic sweeping, effectively reduced personnel intensity of labour and the safe risk of deashing. The dust emission and the smoke dissipation generated during cleaning are greatly reduced, and the win-win effects in multiple aspects of environmental protection, economy and social benefits are achieved.
Drawings
FIG. 1 is a schematic structural diagram of an ash removal cleaning device for a waste heat boiler;
fig. 2 is a flow chart of the operation of the ash removal cleaning device for the exhaust-heat boiler.
In the figure: 1. an explosion chamber; 2. an air inlet pipe; 3. a pulse tube; 4. a combustible gas supply pipe; 5. an air supply pipe; 6. and (4) controlling the valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution:
the utility model provides a dust removal belt cleaning device for exhaust-heat boiler, includes explosion chamber 1, and the one end of explosion chamber 1 is equipped with intake pipe 2, and the other end is equipped with pulse tube 3, and pulse tube 3 extends to in the australian furnace exhaust-heat boiler horizontal segment.
Combustible gas is rapidly combusted (deflagrated) in the deflagration chamber 1 to generate high-speed shock waves with certain intensity, and the high-speed shock waves repeatedly act on the surfaces of the bundle tubes with deposited ash, so that the deposited ash or ash dirt is knocked off, and the bundle tubes are cleaned.
Promote traditional manual work clearance dust for automatic sweeping, effectively reduced personnel intensity of labour and the safe risk of deashing. The dust emission and the smoke dissipation generated during cleaning are greatly reduced, and the win-win effects in multiple aspects of environmental protection, economy and social benefits are achieved.
In one embodiment, the gas inlet pipe 2 is communicated with the combustible gas supply pipe 4 and the air supply pipe 5, and the combustible gas supply pipe 4 and the air supply pipe 5 are used for supplying gas and then mixing the gas to generate mixed gas capable of being detonated, so that high-speed shock waves with certain intensity are generated.
Combustible gas air supply pipe 4 and air supply pipe 5 all are equipped with control valve 6, and control valve 6 all is connected with the remote control end, and opening and closing through remote control end regulation and control valve 6 realizes the regulation and control of combustible gas and air proportion to reach best blasting proportion.
In one embodiment, the inner diameter of the inlet pipe 2 is smaller than the minimum inner diameter of the pulse pipe 3, and the minimum inner diameter of the pulse pipe 3 is smaller than the inner diameter of the explosion chamber 1, so that shock waves generated by explosion can be released through the pulse pipe 3 as far as possible, meanwhile, the impact on the inlet pipe 2 is reduced, and the use safety is ensured.
In one embodiment, the end of the pulse tube 3 away from the explosion chamber 1 is in a bell-mouth structure, so that the shock wave covers as much range as possible to improve the ash removal efficiency.
In one embodiment, the explosion chamber 1, the air inlet pipe 2 and the pulse pipe 3 are made of high-temperature-resistant high-strength alloy, so that the explosion chamber 1, the air inlet pipe 2 and the pulse pipe 3 are ensured to be free of potential safety hazards in continuous operation.
In one embodiment, explosion chamber 1 and pulse tube 3 are vertical setting, avoid when out of work, and the dust falls into in explosion chamber 1, intake pipe 2 and the pulse tube 3, influences its use.
In one embodiment, the horizontal section of the waste heat boiler of the Australian furnace can be provided with a plurality of groups of ash removal cleaning devices comprising the explosion chamber 1, the air inlet pipe 2 and the pulse pipe 3, and the ash removal cleaning devices work alternately, so that the ash removal cleaning devices can repeatedly impact the horizontal section of the Australian furnace waste heat boiler.
Eight groups of ash removal cleaning devices are uniformly arranged and fully cover the horizontal section of the waste heat boiler of the Australian furnace.
The ash removal cleaning device is located at the top of the first convection pipe, so that the dust accumulation part is cleaned, and the heat exchange efficiency is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which includes the appended claims and their equivalents.
Claims (10)
1. The utility model provides a dust removal belt cleaning device for exhaust-heat boiler, its characterized in that, includes explosion chamber (1), the one end of explosion chamber (1) is equipped with intake pipe (2), and the other end is equipped with pulse tube (3), pulse tube (3) extend to in the australian furnace exhaust-heat boiler horizontal segment.
2. The ash removing and cleaning device for the waste heat boiler according to claim 1, characterized in that: the air inlet pipe (2) is communicated with the combustible gas air supply pipe (4) and the air supply pipe (5).
3. The ash removal cleaning device for the waste heat boiler according to claim 1, characterized in that: the inner diameter of the air inlet pipe (2) is smaller than the minimum inner diameter of the pulse pipe (3), and the minimum inner diameter of the pulse pipe (3) is smaller than the inner diameter of the explosion chamber (1).
4. The ash removal cleaning device for the waste heat boiler according to claim 2, characterized in that: combustible gas air supply pipe (4) and air supply pipe (5) all are equipped with control valve (6), control valve (6) all are connected with the remote control end.
5. The ash removal cleaning device for the waste heat boiler according to claim 1, characterized in that: one end of the pulse tube (3) far away from the explosion chamber (1) is of a bell mouth-shaped structure.
6. The ash removal cleaning device for the waste heat boiler according to claim 1, characterized in that: the explosion chamber (1), the air inlet pipe (2) and the pulse pipe (3) are all made of high-temperature-resistant high-strength alloy.
7. The ash removal cleaning device for the waste heat boiler according to claim 1, characterized in that: the explosion chamber (1) and the pulse tube (3) are both vertically arranged.
8. The ash removal cleaning device for the waste heat boiler according to claim 1, characterized in that: the horizontal section of the Australian furnace waste heat boiler can be provided with a plurality of groups of ash removal cleaning devices comprising explosion chambers (1), air inlet pipes (2) and pulse pipes (3), and the ash removal cleaning devices work alternately.
9. The ash removing and cleaning device for the waste heat boiler according to claim 8, characterized in that: eight groups are uniformly arranged on the ash removal cleaning device.
10. The ash removal cleaning device for the waste heat boiler according to claim 9, characterized in that: the ash removal cleaning devices are all positioned at the top of the first convection current pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220254969.1U CN218379450U (en) | 2022-02-08 | 2022-02-08 | Ash removal cleaning device for waste heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220254969.1U CN218379450U (en) | 2022-02-08 | 2022-02-08 | Ash removal cleaning device for waste heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218379450U true CN218379450U (en) | 2023-01-24 |
Family
ID=84951158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220254969.1U Active CN218379450U (en) | 2022-02-08 | 2022-02-08 | Ash removal cleaning device for waste heat boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218379450U (en) |
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2022
- 2022-02-08 CN CN202220254969.1U patent/CN218379450U/en active Active
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