CN202442347U - Deflagration soot blowing system for superheater of exhaust-heat boiler - Google Patents
Deflagration soot blowing system for superheater of exhaust-heat boiler Download PDFInfo
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- CN202442347U CN202442347U CN2012200024055U CN201220002405U CN202442347U CN 202442347 U CN202442347 U CN 202442347U CN 2012200024055 U CN2012200024055 U CN 2012200024055U CN 201220002405 U CN201220002405 U CN 201220002405U CN 202442347 U CN202442347 U CN 202442347U
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Abstract
The utility model relates to a deflagration soot blowing system for a superheater of an exhaust-heat boiler. The system comprises a combustible gas tank and a compressed air tank. A gas outlet of the combustible gas tank is communicated with the inside of a combustible gas pressure stabilization cabinet. An air outlet of the compressed air tank is communicated with the inside of a compressed air control cabinet. A gas outlet of the combustible gas pressure stabilization cabinet and an air outlet of the compressed air control cabinet are communicated with the inside of a mixed gas distribution cabinet respectively. A gas outlet of the mixed gas distribution cabinet is communicated with the inside of a gas mixing tank. A plurality of deflagration generation tanks are connected with a gas outlet of the gas mixing tank. A gas inlet of each deflagration generation tank is provided with an ignition controller. An impact wave nozzle is communicated with a gas outlet of each deflagration generation tank. The gas outlet end of each impact wave nozzle is extended into the superheater, and is arranged on the inner side of the superheater. Soot can be removed from the superheater by utilizing impact airflow, so that the influence of soot formation on the gas production rate of the exhaust-heat boiler is eliminated, generating capacity is improved, and the unnecessary loss of an enterprise is reduced.
Description
Technical field
The utility model relates to a kind of waste heat boiler, relates to a kind of waste heat boiler superheater detonation soot blower system specifically.
Background technology
At present, present waste heat boiler is in order to absorb the heat of useless flue gas to greatest extent, and pipe arrangement is all very intensive, inevitably can occur the pipeline section dust stratification after use a period of time and stop up, and influences heat transfer rate.Because dust stratification causes vapor (steam) temperature to reduce to be caused and after vapour difficulty, especially outside air temperature reduce, two waste heat boilers and unusual difficulty together not only influence generated energy, and be also very unfavorable to safeguarding cleaning, and the safe operation of power plant has also been caused certain influence.Wherein mostly kiln hood waste heat boiler is vertical structure; Its high temperature superheater dust stratification performance is the most outstanding; Can cause waste heat boiler high temperature section flue-gas temperature to be reduced to 330 ℃ from 550 ℃ when serious, last waste heat boiler high temperature section dust stratification accumulation blocks whole pipeline section gradually, causes superheater to become attemperator; Greatly reduce generated energy, directly influence the performance of enterprises.At present also there is not a kind of device can remove the pipeline dust stratification of waste heat boiler superheater effectively.
The utility model content
The technical problem that the utility model will solve provides a kind of impact air-flow that utilizes the fuel gas detonation to produce and gives the system of waste heat boiler superheater ash disposal.
For solving the problems of the technologies described above; The design feature of the utility model is to comprise: the gaseous mixture distributor gear; It comprises fuel gas jar and compressed air cylinder, and the gas outlet of fuel gas jar is switched in the fuel gas voltage stabilizing cabinet, and the gas outlet of compressed air cylinder is switched in the compressed air switch board; The gas outlet of fuel gas voltage stabilizing cabinet and the gas outlet of compressed air switch board are switched to respectively in the mixed gas distribution cabinet, and the gas outlet of mixed gas distribution cabinet is switched in the gas blending tank;
Detonation mechanism, it comprises a plurality of detonation generation tanks on the gas outlet that is switched to said gas blending tank, the air inlet end of each detonation generation tank is equipped with ignition controller;
The shock wave injection equipment; It comprises many impact air-flow pipelines of connecting respectively with the gas outlet of each detonation generation tank; The other end of every impact air-flow pipeline has all been connected the shock wave nozzle, and the gas outlet end of each shock wave nozzle all extend in the superheater that needs ash disposal and is installed in respectively on the inwall of superheater.
Said fuel gas is an acetylene gas.
Said shock wave nozzle is provided with eight altogether, and wherein four shock wave nozzles are located on the sustained height plane on superheater top in twos relatively, and other four shock wave nozzles are located on the sustained height plane of superheater bottom in twos relatively; Its outgassing direction of shock wave nozzle that is located at superheater top is oblique setting down, and its outgassing direction of shock wave nozzle that is located at the superheater bottom is provided with obliquely.
The beneficial effect of the utility model is: the gaseous mixture distributor gear mixes acetylene and compressed air in proportion; The acetylene gaseous mixture is through detonation mechanism detonation moment generation impacting with high pressure air-flow; Impact air-flow gets in the waste heat boiler superheater through the shock wave nozzle and sharply releases energy with the form of impact kinetic energy, heat energy, acoustic energy; Through the furnace wall, pipeline and wait to remove gray surface and repeatedly rebound, make that dust stratification is lax to come off, finally reach the purpose of ash disposal; The shock wave nozzle respectively is provided with four in the superheater upper and lower, and the oblique impact of impact air-flow, makes the sphere of action of impact air-flow more extensive, and ash disposal is more comprehensive.The utility model has utilized the impact principle of detonation gas to realize the ash disposal of waste heat boiler superheater; Reduced of the influence of the interior dust stratification of superheater of waste heat boiler to gas converting heat; Increased the gas production of whole waste heat boiler, and then increased generated energy, reduced unnecessary loss to enterprise.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further explain:
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
The specific embodiment
With reference to Fig. 1, the utility model is primarily aimed at the high temperature superheater dedusting of waste heat boiler, so only intercepting needs the high temperature superheater section 10 of the waste heat boiler of ash disposal, below all directly abbreviates superheater 10 as.
Gaseous mixture distributor gear as shown in the figure comprises fuel gas jar 1 and compressed air cylinder 2; The gas outlet of fuel gas jar 1 is switched in the fuel gas voltage stabilizing cabinet 3; The gas outlet of compressed air cylinder 2 is switched in the compressed air switch board 4; The gas outlet of fuel gas voltage stabilizing cabinet 3 and the gas outlet of compressed air switch board 4 are switched to respectively in the mixed gas distribution cabinet 5, and the gas outlet of mixed gas distribution cabinet 5 is switched in the gas blending tank 6.In actual the use; It is about 0.35Mpa that air pressure is set in compressed air switch board 4; The acetylene gas supply gas pressure is set to about 0.095Mpa and examines this pressure setting of rate for safety to be higher than 0.12Mpa, and mixed gas distribution cabinet 5 inner control gaseous mixture proportionings are that the volume ratio of fuel gas and air is 1:12.
Detonation mechanism comprises many impact air-flow pipelines of connecting respectively with the gas outlet of each detonation generation tank 7 11; The other end of every impact air-flow pipeline 11 has all been connected shock wave nozzle 9, and the gas outlet end of each shock wave nozzle 9 all extend in the superheater 10 and is installed in respectively on the inwall of superheater 10.
A plurality of ignition controllers 8 can be controlled it through ignition control circuit and intermittently light a fire or constant ignition.Ignition control circuit can be according to the sparking mode of what and the dust stratification extent control detonation generation tank 7 that blow ash point, and controls each detonation generation tank 7 and light a fire simultaneously and perhaps light a fire one by one.Simultaneously, fuel gas voltage stabilizing cabinet 3, compressed air switch board 4, gaseous mixture distribute cabinet 5 can adopt automatic control circuit to control automatically.Above-mentioned each automatic control circuit can be electrically connected to a central control circuit and carry out integrated control, and the automatic control of above-mentioned each control circuit is prior art, repeats no more at this.
Compressed air piping, gas pipeline and mixed gas pipeline road all can adopt thinner pipeline relatively in this embodiment, can select diameter 15mm pipeline for use, and the impact air-flow pipeline 11 after the detonation should adopt thicker pipeline relatively, can select diameter 150mm pipeline for use.Electrical ball valve that wherein is equipped with on the pipeline or manually-operated gate etc. all are provided with according to actual needs, but and control automatically in the motor-driven valve Access Control circuit, above-mentioned pipeline and valve setting are prior art, repeat no more at this.
The shock wave injection equipment comprises many impact air-flow pipelines of connecting respectively with the gas outlet of each detonation generation tank 7 11; The other end of every impact air-flow pipeline 11 has all been connected shock wave nozzle 9, and the gas outlet end of each shock wave nozzle 9 all extend in the superheater 10 and is installed in respectively on the inwall of superheater 10.Wherein detonation generation tank 7 is provided with shock wave nozzle 9 is corresponding one by one; According to the number how many shock wave nozzles 9 is set of blowing the ash point; The number of relative set detonation generation tank 7, each detonation generation tank 7 all is communicated in the gas blending tank 6 through many mixed gas pipeline roads.Can the installation site of shock wave nozzle 9 on the furnace wall be set according to blowing the ash point in the construction; Preferred a kind of mounting means is that shock wave nozzle 9 is provided with eight altogether; Wherein four shock wave nozzles 9 are located on the sustained height plane on superheater 10 tops in twos relatively, and other four shock wave nozzles 9 are located on the sustained height plane of superheater 10 bottoms in twos relatively; Be located at the oblique setting down of shock wave nozzle 9 its outgassing directions on superheater 10 tops, shock wave nozzle 9 its outgassing directions that are located at superheater 10 bottoms are provided with obliquely.Wherein become with the superheater inwall about 30 degree angles to be advisable with oblique direction.Two shock wave nozzles 9 that two the shock wave nozzles that only show among Fig. 1 that the left and right sides, superheater section 10 top is oppositely arranged and the left and right sides, superheater 10 bottom are oppositely arranged.When the shock wave nozzle is provided with eight, wherein four about the inwall on sustained height plane, superheater 10 top correspondence two, front and back correspondence be set two, other four bottoms that are arranged on superheater 10 with the same manner.
Claims (3)
1. a waste heat boiler superheater detonation soot blower system is characterized in that, comprising:
The gaseous mixture distributor gear; It comprises fuel gas jar (1) and compressed air cylinder (2); The gas outlet of fuel gas jar (1) is switched in the fuel gas voltage stabilizing cabinet (3); The gas outlet of compressed air cylinder (2) is switched in the compressed air switch board (4), and the gas outlet of the gas outlet of fuel gas voltage stabilizing cabinet (3) and compressed air switch board (4) is switched to respectively in the mixed gas distribution cabinet (5), and the gas outlet of mixed gas distribution cabinet (5) is switched in the gas blending tank (6);
Detonation mechanism, it comprises a plurality of detonation generation tanks (7) on the gas outlet that is switched to said gas blending tank (6), the air inlet end of each detonation generation tank (7) is equipped with ignition controller (8);
The shock wave injection equipment; It comprises many impact air-flow pipelines of connecting respectively with the gas outlet of each detonation generation tank (7) (11); The other end of every impact air-flow pipeline (11) has all been connected shock wave nozzle (9), and the gas outlet end of each shock wave nozzle (9) all extend in the superheater (10) that needs ash disposal and is installed in respectively on the inwall of superheater (10).
2. waste heat boiler superheater detonation soot blower system as claimed in claim 1, it is characterized in that: said fuel gas is an acetylene gas.
3. waste heat boiler superheater detonation soot blower system as claimed in claim 1; It is characterized in that: said shock wave nozzle (9) is provided with eight altogether; Wherein four shock wave nozzles (9) are located on the sustained height plane on superheater (10) top in twos relatively, and other four shock wave nozzles (9) are located on the sustained height plane of superheater (10) bottom in twos relatively; Its outgassing direction of shock wave nozzle (9) that is located at superheater (10) top is oblique setting down, and its outgassing direction of shock wave nozzle (9) that is located at superheater (10) bottom is provided with obliquely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200024055U CN202442347U (en) | 2012-01-05 | 2012-01-05 | Deflagration soot blowing system for superheater of exhaust-heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200024055U CN202442347U (en) | 2012-01-05 | 2012-01-05 | Deflagration soot blowing system for superheater of exhaust-heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202442347U true CN202442347U (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200024055U Expired - Fee Related CN202442347U (en) | 2012-01-05 | 2012-01-05 | Deflagration soot blowing system for superheater of exhaust-heat boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202442347U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104713107A (en) * | 2015-02-14 | 2015-06-17 | 大冶市华兴玻璃有限公司 | Ash removal device of glass kiln |
| CN105299667A (en) * | 2015-10-22 | 2016-02-03 | 南京信息工程大学 | Soot blowing device used for circular flue of coal-fired power plant |
| CN105987388A (en) * | 2015-03-04 | 2016-10-05 | 蒋振发 | High-corrosion-resistance generation tank of garbage incineration furnace |
| CN106838951A (en) * | 2017-04-10 | 2017-06-13 | 瓮福紫金化工股份有限公司 | A kind of shock-wave ash blowing air distributing device |
| CN112236620A (en) * | 2018-05-25 | 2021-01-15 | 川崎重工业株式会社 | Shock wave supply system and shock wave supply method |
| CN112413618A (en) * | 2020-11-25 | 2021-02-26 | 安化华晟生物能源有限责任公司 | Soot blower |
| CN112413578A (en) * | 2020-11-25 | 2021-02-26 | 安化华晟生物能源有限责任公司 | Biological generator set |
| CN115435328A (en) * | 2022-11-09 | 2022-12-06 | 哈尔滨现代吹灰技术有限公司 | Portable gas soot blower |
-
2012
- 2012-01-05 CN CN2012200024055U patent/CN202442347U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104713107A (en) * | 2015-02-14 | 2015-06-17 | 大冶市华兴玻璃有限公司 | Ash removal device of glass kiln |
| CN105987388A (en) * | 2015-03-04 | 2016-10-05 | 蒋振发 | High-corrosion-resistance generation tank of garbage incineration furnace |
| CN105299667A (en) * | 2015-10-22 | 2016-02-03 | 南京信息工程大学 | Soot blowing device used for circular flue of coal-fired power plant |
| CN106838951A (en) * | 2017-04-10 | 2017-06-13 | 瓮福紫金化工股份有限公司 | A kind of shock-wave ash blowing air distributing device |
| CN106838951B (en) * | 2017-04-10 | 2023-07-18 | 瓮福紫金化工股份有限公司 | Shock wave soot blowing air distribution device |
| CN112236620A (en) * | 2018-05-25 | 2021-01-15 | 川崎重工业株式会社 | Shock wave supply system and shock wave supply method |
| CN112236620B (en) * | 2018-05-25 | 2024-01-12 | 川崎重工业株式会社 | Shock wave supply system and shock wave supply method |
| CN112413618A (en) * | 2020-11-25 | 2021-02-26 | 安化华晟生物能源有限责任公司 | Soot blower |
| CN112413578A (en) * | 2020-11-25 | 2021-02-26 | 安化华晟生物能源有限责任公司 | Biological generator set |
| CN112413578B (en) * | 2020-11-25 | 2023-08-08 | 安化华晟生物能源有限责任公司 | Biological generator set |
| CN112413618B (en) * | 2020-11-25 | 2023-08-08 | 安化华晟生物能源有限责任公司 | Soot blowing device |
| CN115435328A (en) * | 2022-11-09 | 2022-12-06 | 哈尔滨现代吹灰技术有限公司 | Portable gas soot blower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20140105 |