CN220417352U - Refuse incineration boiler decoking device - Google Patents
Refuse incineration boiler decoking device Download PDFInfo
- Publication number
- CN220417352U CN220417352U CN202320735448.2U CN202320735448U CN220417352U CN 220417352 U CN220417352 U CN 220417352U CN 202320735448 U CN202320735448 U CN 202320735448U CN 220417352 U CN220417352 U CN 220417352U
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- Prior art keywords
- spray
- cavity
- spraying
- decoking
- sleeve
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- 238000005235 decoking Methods 0.000 title claims abstract description 70
- 239000007921 spray Substances 0.000 claims abstract description 97
- 238000005507 spraying Methods 0.000 claims abstract description 62
- 239000000571 coke Substances 0.000 claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 238000004140 cleaning Methods 0.000 claims abstract description 18
- 238000004056 waste incineration Methods 0.000 claims abstract description 12
- 230000008859 change Effects 0.000 claims abstract description 7
- 238000002347 injection Methods 0.000 claims description 17
- 239000007924 injection Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000498 cooling water Substances 0.000 description 11
- 230000006872 improvement Effects 0.000 description 8
- 239000000243 solution Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000004939 coking Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a waste incineration boiler decoking device, which comprises: a mixing spray chamber, a gas spray chamber and a spray sleeve; the front end of the mixing spray cavity is provided with a spray assembly, the spray sleeve is nested at the periphery of the spray assembly, and the spray sleeve moves back and forth along the periphery of the spray assembly; the rear end of the mixed spray cavity is hermetically connected with a gas spray cavity, and a decoking liquid input port is arranged on the mixed spray cavity; when the coke cleaning operation is carried out, compressed gas sprayed by the gas spraying cavity sweeps coke cleaning liquid in the mixed spraying cavity to the front end of the mixed spraying cavity, and the compressed gas is sprayed out through the spraying sleeve to cool and remove coke at a position to be cleaned in the garbage incineration boiler; the distance between the spraying sleeve and the spraying assembly is adjusted so as to change the spraying angle of the decoking liquid and realize uniform spraying on the part to be decoked. The utility model has the advantages of compact structure, simple operation, high decoking efficiency and the like, solves the problems of low decoking efficiency, poor decoking effect and the like caused by small aperture of temperature measuring points and strong adhesion capability of coke blocks, and improves the running stability of the boiler.
Description
Technical Field
The utility model belongs to the technical field of garbage disposal, and particularly relates to a coke cleaning device of a garbage incineration boiler.
Background
The garbage incinerator is extremely easy to produce coking around the hearth wall and hearth temperature measuring points in the operation process, the coking produces adverse effects on the operation of the garbage incinerator, the hearth temperature monitoring is prevented, the incinerator cannot normally operate above 850 ℃, and the environmental protection index exceeds the standard.
Since the temperature measurement of the garbage incinerator is very important to the operation of the boiler, not only the coke on the temperature measuring point is cleaned, but also the coke attached to the periphery of the temperature measuring point is cleaned. At present, the treatment scheme for the attached coke blocks around the temperature measuring points of the garbage incinerator mainly comprises the steps that after a temperature element is manually pulled out, the coke blocks in a hearth are treated by stretching into a poking coke rod through small holes of the temperature measuring points, or the coke blocks are purged by compressed air, and because the aperture of the temperature measuring points is smaller, the attached coke blocks have strong attaching capability, the decoking efficiency is low, and the decoking effect is not ideal.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing the garbage incineration boiler coke cleaning device which has the advantages of compact structure, simple operation, high coke cleaning efficiency and long service life.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a refuse incineration boiler decoking device, comprising: a mixing spray chamber, a gas spray chamber and a spray sleeve; the front end of the mixing spray cavity is provided with a spray assembly, the spray sleeve is nested at the periphery of the spray assembly, and the spray sleeve moves back and forth along the periphery of the spray assembly; the rear end of the mixed spray cavity is connected with a gas spray cavity in a sealing way, and a decoking liquid input port is arranged on the mixed spray cavity; when the coke cleaning operation is carried out, compressed gas sprayed by the gas spraying cavity sweeps coke cleaning liquid in the mixed spraying cavity to the front end of the mixed spraying cavity, and the compressed gas is sprayed out through the spraying sleeve to cool and remove coke from a to-be-cleaned part in the waste incineration boiler; the distance between the spraying sleeve and the spraying assembly is adjusted so as to change the spraying angle of the decoking liquid and realize uniform spraying on the part to be decoked.
As a further improvement of the present utility model, the spray assembly includes: the mixing spray cavity comprises a conical adjusting head, a connecting rod, a connecting ring and a guide cylinder, wherein the guide cylinder is arranged at the front end of the mixing spray cavity, the connecting ring is arranged in the guide cylinder, one end of the connecting rod is connected with the connecting ring, and the other end of the connecting rod is connected with the conical adjusting head; the injection sleeve is positioned between the conical adjusting head and the guide cylinder, is sleeved on the periphery of the guide cylinder and moves back and forth along the periphery of the guide cylinder; the distance between the injection sleeve and the conical adjusting head is adjusted so as to change the spray angle of the decoking liquid and realize uniform spray on the part to be decoked.
As a further improvement of the utility model, a positioning ring is arranged in the injection sleeve, and the connecting rod is arranged in the positioning ring in a penetrating way.
As a further improvement of the utility model, the front end of the gas spraying cavity is a conical cavity, a nozzle is arranged on the conical cavity, and compressed gas is sprayed into the mixing spraying cavity through the nozzle.
As a further improvement of the utility model, the rear end of the gas spraying cavity is connected with the gas inlet pipeline so as to realize the transportation of compressed gas into the gas spraying cavity.
As a further improvement of the utility model, the air inlet pipeline is provided with a first control valve for controlling the on-off of the air inlet pipeline.
As a further improvement of the utility model, the bottom of the mixed spray cavity is connected with a decoking liquid conveying pipeline so as to realize the conveying of the decoking liquid into the mixed spray cavity.
As a further improvement of the utility model, the decoking liquid conveying pipeline is provided with a second control valve so as to control the on-off of the decoking liquid conveying pipeline.
As a further development of the utility model, the first control valve and the second control valve are both manual control valves.
As a further improvement of the utility model, the bottom of the mixing spray cavity is provided with a handle.
Compared with the prior art, the utility model has the advantages that:
according to the waste incineration boiler decoking device, the front end of the mixed spraying cavity is provided with the spraying assembly, the spraying sleeve is movably nested at the periphery of the spraying assembly, the rear end of the mixed spraying cavity is connected with the gas spraying cavity in a sealing manner, and meanwhile, the mixed spraying cavity is provided with the decoking liquid input port, so that the decoking device with a compact structure and simple operation is formed; when the decoking operation is carried out, firstly, the temperature measuring element is taken down from the boiler, then the front end of the mixed spray cavity and the spray sleeve are extended into the boiler, the spray sleeve is erected on the wall of the boiler, compressed gas sprayed by the gas spray cavity sprays decoking liquid in the mixed spray cavity to the front end of the mixed spray cavity, and the decoking liquid is sprayed out through the spray sleeve, so that the cooling and decoking of the part to be decoked in the waste incineration boiler are realized; further, by adjusting the distance between the injection sleeve and the spraying assembly, the spraying angle of the decoking liquid can be changed, uniform spraying of the part to be decoked is realized, and the decoking efficiency and quality are remarkably improved. The decoking device is mainly used for cleaning the attached coke blocks around the temperature measuring points in the boiler, and solves the problems of low decoking efficiency, poor decoking effect and the like caused by small aperture of the temperature measuring points and strong attaching capability of the coke blocks from the root, thereby improving the running stability of the boiler.
Drawings
Fig. 1 is a schematic diagram of the structural principle of the coke cleaning device of the refuse incineration boiler.
Fig. 2 is a schematic diagram of the principle of the explosion structure of the coke cleaning device of the refuse incineration boiler.
Fig. 3 is a schematic diagram of a partial structure principle of the coke cleaning device of the refuse incineration boiler.
Legend description: 1. a mixing spray cavity; 2. a gas spray chamber; 3. a spray sleeve; 4. a conical adjustment head; 5. a first control valve; 6. an air intake duct; 7. a handle; 8. a second control valve; 9. a decoking liquid conveying pipeline; 10. a nozzle; 11. a connecting rod; 12. a positioning ring; 13. a connecting ring; 14. a guide cylinder.
Detailed Description
The utility model is further described below in connection with the drawings and the specific preferred embodiments, but the scope of protection of the utility model is not limited thereby.
Examples
As shown in fig. 1 to 3, the refuse incineration boiler decoking apparatus of the present utility model comprises: a mixing spray chamber 1, a gas spray chamber 2 and a spray sleeve 3. The front end of the mixing spray cavity 1 is provided with a spray assembly, the spray sleeve 3 is nested at the periphery of the spray assembly, and the spray sleeve 3 moves back and forth along the periphery of the spray assembly. The rear end of the mixing spray cavity 1 is connected with the gas spray cavity 2 in a sealing way, the mixing spray cavity 1 is provided with a cooling water input port, and compressed air and cooling water are mixed in the mixing spray cavity 1 to form high-pressure spray. The working principle of the coke cleaning device of the waste incineration boiler in this embodiment is similar to that of the venturi tube, when the coke cleaning operation is performed, the compressed air sprayed by the gas spraying cavity 2 sprays the cooling water in the mixed spraying cavity 1 to the front end of the mixed spraying cavity 1, and the cooling and the coke cleaning are performed on the to-be-cleaned part in the waste incineration boiler through the spraying sleeve 3. The distance between the spray sleeve 3 and the spray assembly is adjusted to change the spray angle of the decoking liquid, so that the uniform spray of the part to be decoked is realized. Further, a handle 7 is arranged at the bottom of the mixing spray cavity 1 so as to facilitate the decoking operation. The decoking device of this embodiment mainly carries out the operation of decoking off-line, and general decoking time can not be too long, can adopt high temperature resistant stainless steel material preparation to obtain, and the decoking principle provides impact force for having used compressed air, adds cooling water again for the coke quenching is liable to drop, makes the decoking effect better. It will be appreciated that in other embodiments, chemical agents may be employed as decoking liquids to enhance the decoking effect.
As shown in fig. 2 and 3, in the present embodiment, the spray assembly includes: the conical adjusting head 4, the connecting rod 11, the connecting ring 13 and the guide cylinder 14, wherein the guide cylinder 14 is arranged at the front end of the mixing spray cavity 1, the hollow connecting ring 13 is arranged inside the guide cylinder 14, one end of the connecting rod 11 is connected with the connecting ring 13, and the other end of the connecting rod 11 is connected with the conical adjusting head 4. The injection sleeve 3 is located between the conical adjusting head 4 and the guide cylinder 14, the injection sleeve 3 is sleeved on the periphery of the guide cylinder 14, and the injection sleeve 3 moves reciprocally along the periphery of the guide cylinder 14. The distance between the spray sleeve 3 and the conical adjusting head 4 is adjusted to change the spraying angle of the cooling water spray, so that the uniform spraying of the part to be decoked is realized.
In this embodiment, through having set up the spraying subassembly at the front end that mixes and spouts chamber 1, with spraying sleeve 3 mobilizable nestification in spraying subassembly's periphery, the rear end that mixes and spouts chamber 1 then with gas and spout chamber 2 sealing connection, still set up the cooling water input port on mixing and spouting chamber 1 simultaneously, constitute compact structure, easy operation's decoking device promptly. When the decoking operation is carried out, firstly, the temperature measuring element is taken down from the boiler, then the conical adjusting head 4, the connecting rod 11, the guide cylinder 14 and the injection sleeve 3 extend into the boiler, the injection sleeve 3 is erected on the wall of the boiler, compressed gas sprayed by the gas spraying cavity 2 sprays cooling water in the mixed spraying cavity 1 into the guide cylinder 14 at the front end of the mixed spraying cavity 1, and the cooling spray is sprayed into the boiler under the interception of the conical adjusting head 4 through the injection sleeve 3, so that the cooling decoking of the part to be decoked in the waste incineration boiler is realized. Further, by adjusting the distance between the injection sleeve 3 and the conical adjusting head 4, the spraying angle of cooling water spray can be changed, uniform spraying of the part to be decoked is realized, and the decoking efficiency and quality are remarkably improved. The decoking device of this embodiment is mainly used to clear up the peripheral attached coke piece of temperature measurement point in the boiler, from the root because of temperature measurement point aperture is little, the coke piece adhesion ability is strong and lead to decoking inefficiency, decoking effect subalternation problem, has improved the stability of boiler operation.
As shown in fig. 3, in this embodiment, a hollowed positioning ring 12 is disposed in the injection sleeve 3, and a connecting rod 11 is inserted into the positioning ring 12, so as to improve the connection stability of the connecting rod 11 and improve the uniformity of spraying.
As shown in fig. 2, in this embodiment, the front end of the gas spraying chamber 2 is a conical chamber, and a nozzle 10 is disposed on the conical chamber, and compressed gas is sprayed into the mixing spraying chamber 1 through the nozzle 10.
As shown in fig. 2, in this embodiment, the rear end of the gas spraying chamber 2 is connected to the gas inlet pipe 6 to realize the compressed gas delivery into the gas spraying chamber 2. Further, a first control valve 5 is arranged on the air inlet pipeline 6 to control the on-off of the air inlet pipeline 6.
In this embodiment, as shown in fig. 1, the bottom of the mixing spray cavity 1 is connected to a decoking liquid conveying pipeline 9, so as to realize conveying of the decoking liquid into the mixing spray cavity 1. Further, a second control valve 8 is arranged on the decoking liquid conveying pipeline 9 to control the on-off of the decoking liquid conveying pipeline 9.
In this embodiment, the first control valve 5 and the second control valve 8 are manual adjusting valves, so as to realize adjustable proportion of compressed air and cooling water, and as the boiler itself is provided with the compressed air and the cooling water pipeline, the boiler only needs to be connected into the coke cleaning device.
The working principle of the decoking device in the embodiment is as follows:
the decoking device stretches into the hearth through the temperature measuring hole, cooling water is mixed in the mixed spray cavity 1 by utilizing the siphon action of compressed air to form water mist with strong cold impact force, and the water mist can be directly sprayed onto coke blocks around the temperature measuring point to lead the coke blocks to be quenched and fall off, thereby achieving the purpose of well removing the coke blocks and leading the temperature measuring point to maintain long-term accurate measurement. The size and proportion of the water mist can be adjusted by using the manual adjusting valve. The spray head part adopts an adjustable spray head, and the distance between the spray sleeve 3 and the conical adjusting head 4 is adjusted, so that the aim of changing the spray angle of water mist is fulfilled, and the coke blocks around the temperature measuring point can be covered comprehensively.
While the utility model has been described with reference to preferred embodiments, it is not intended to be limiting. Any person skilled in the art can make many possible variations and modifications to the technical solution of the present utility model or equivalent embodiments using the method and technical solution disclosed above without departing from the spirit and technical solution of the present utility model. Therefore, any simple modification, equivalent substitution, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model, which do not depart from the technical solution of the present utility model, still fall within the scope of the technical solution of the present utility model.
Claims (10)
1. A refuse incinerator coke cleaning apparatus, comprising: a mixing spray cavity (1), a gas spray cavity (2) and a spray sleeve (3); the front end of the mixing spray cavity (1) is provided with a spray assembly, the spray sleeve (3) is nested at the periphery of the spray assembly, and the spray sleeve (3) moves back and forth along the periphery of the spray assembly; the rear end of the mixing spray cavity (1) is connected with the gas spray cavity (2) in a sealing way, and a decoking liquid input port is arranged on the mixing spray cavity (1); when the coke cleaning operation is carried out, compressed gas sprayed by the gas spraying cavity (2) sprays coke cleaning liquid in the mixed spraying cavity (1) to the front end of the mixed spraying cavity (1), and the compressed gas is sprayed by the spraying sleeve (3) to cool and remove coke from a to-be-cleaned part in the waste incineration boiler; the distance between the spraying sleeve (3) and the spraying assembly is adjusted so as to change the spraying angle of the decoking liquid and realize uniform spraying on the part to be decoked.
2. The waste incineration boiler decoking device according to claim 1, wherein the spraying assembly comprises: the conical spray cavity comprises a conical adjusting head (4), a connecting rod (11), a connecting ring (13) and a guide cylinder (14), wherein the guide cylinder (14) is arranged at the front end of the mixing spray cavity (1), the connecting ring (13) is arranged in the guide cylinder (14), one end of the connecting rod (11) is connected with the connecting ring (13), and the other end of the connecting rod (11) is connected with the conical adjusting head (4); the injection sleeve (3) is positioned between the conical adjusting head (4) and the guide cylinder (14), the injection sleeve (3) is sleeved on the periphery of the guide cylinder (14), and the injection sleeve (3) moves back and forth along the periphery of the guide cylinder (14); the distance between the injection sleeve (3) and the conical adjusting head (4) is adjusted so as to change the spray angle of the decoking liquid and realize uniform spray on the part to be decoked.
3. The garbage incineration boiler decoking device according to claim 2, characterized in that a positioning ring (12) is arranged in the injection sleeve (3), and the connecting rod (11) is arranged in the positioning ring (12) in a penetrating way.
4. The garbage incineration boiler decoking device according to claim 2, wherein the front end of the gas spraying cavity (2) is a conical cavity, a nozzle (10) is arranged on the conical cavity, and compressed gas is sprayed into the mixed spraying cavity (1) through the nozzle (10).
5. The garbage incineration boiler decoking device according to claim 4, wherein the rear end of the gas spraying cavity (2) is connected with an air inlet pipeline (6) so as to realize the transportation of compressed gas into the gas spraying cavity (2).
6. The garbage incineration boiler decoking device according to claim 5, wherein the air inlet pipeline (6) is provided with a first control valve (5) for controlling the on-off of the air inlet pipeline (6).
7. The garbage incineration boiler decoking device according to claim 6, wherein the bottom of the mixing spray cavity (1) is connected with a decoking liquid conveying pipeline (9) so as to realize the conveying of the decoking liquid into the mixing spray cavity (1).
8. The waste incineration boiler decoking device according to claim 7, wherein a second control valve (8) is arranged on the decoking liquid conveying pipeline (9) so as to control the on-off of the decoking liquid conveying pipeline (9).
9. A waste incineration boiler decoking device according to claim 8, characterised in that the first control valve (5) and the second control valve (8) are both manual regulating valves.
10. The waste incineration boiler decoking device according to any one of claims 1 to 8, characterized in that the bottom of the mixing spray chamber (1) is provided with a handle (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320735448.2U CN220417352U (en) | 2023-04-03 | 2023-04-03 | Refuse incineration boiler decoking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320735448.2U CN220417352U (en) | 2023-04-03 | 2023-04-03 | Refuse incineration boiler decoking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220417352U true CN220417352U (en) | 2024-01-30 |
Family
ID=89654095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320735448.2U Active CN220417352U (en) | 2023-04-03 | 2023-04-03 | Refuse incineration boiler decoking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220417352U (en) |
-
2023
- 2023-04-03 CN CN202320735448.2U patent/CN220417352U/en active Active
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