CN201768712U - Low-heat value fuel gas shockwave soot blower - Google Patents
Low-heat value fuel gas shockwave soot blower Download PDFInfo
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- CN201768712U CN201768712U CN2010201850941U CN201020185094U CN201768712U CN 201768712 U CN201768712 U CN 201768712U CN 2010201850941 U CN2010201850941 U CN 2010201850941U CN 201020185094 U CN201020185094 U CN 201020185094U CN 201768712 U CN201768712 U CN 201768712U
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- soot blower
- heat value
- shock wave
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Abstract
The utility model relates to the technical filed of soot blower and discloses a low-heat value fuel gas shockwave foot blower comprising a fuel gas inlet pipe and an air inlet pipe which are arranged on a platform. The fuel gas inlet pipe is provided with a fuel gas pipeline heater, the fuel gas inlet pipe and the air inlet pipe are respectively connected in a fuel gas-air mixing device which is provided with an ignition device, and the fuel gas-air mixing device is connected with a shockwave generator, the front end of which is provided with a wave guide pipe. The low-heat value fuel gas shockwave soot blower can enlarge the category range of the adopted fuel gas, expand the using range and clean dust. In the utility model, the pipeline heater is arranged on the fuel gas inlet pipe, and the low-heat value fuel gas can generate the shockwave by the mode of heating low-heat value fuel gas.
Description
Technical field
The utility model relates to the technical field of soot blower equipment aspect.
Background technology
Soot blower is used to remove boiler tube dust stratification, heat-exchanging tube bundle dust stratification, is used for the sintering machine blanking and the electric precipitation pole plate blows ash, is widely used in multiple industries such as thermal power generation, metallurgy, petrochemical industry, garbage disposal, cement.
Existing soot blower comprises: acetylene cylinder, fuel gas and air blending tank, some cupping jar, shock wave jar, and control system.Fuel gas and air blending tank, the some cupping jar is imported the shock wave jar that gas enters differing heights by steel pipe on platform, and the shock wave jar is installed on body of heater or the equipment, and detonation produces shock wave.
Existing soot blower need could use with acetylene gas, the liquefied gas of high heating value, does not generally have pipeline directly to carry this type of gas, needs the frequent gas cylinder of changing, and increases the work on the spot amount.After existing soot blower produces shock wave, blow ash near generally reaching tube wall by a waveguide, blow ash and be limited in scope, it is little to blow grey angle, and it is not thorough to blow ash, has the deashing dead angle.
The utility model content
The utility model purpose aims to provide a kind of fuel gas with low heat value shock wave soot blower, and this fuel gas with low heat value shock wave soot blower can use the kind expanded range of combustion gas, has expanded the scope of application of soot blower, and dust out is clean.
For achieving the above object, the technical solution adopted in the utility model is: a kind of fuel gas with low heat value shock wave soot blower, comprise gas inlet pipe and air intake duct, described gas inlet pipe and air intake duct are arranged on the platform, described gas inlet pipe is equipped with the gas pipeline heater, described gas inlet pipe and air intake duct insert the gas-air mixing arrangement respectively, described gas-air mixing arrangement is installed igniter, described gas-air mixing arrangement connects surge generator, and the front end of described surge generator is installed waveguide.
Described a kind of fuel gas with low heat value shock wave soot blower, described gas-air mixing arrangement inside is equipped with dividing plate.
Described a kind of fuel gas with low heat value shock wave soot blower, described gas-air mixing arrangement is inner installs two-layer dividing plate, and inside is the combustion gas dividing plate, the plate face pore that evenly distributes; The outside is an air baffle, the plate face pore that evenly distributes; Combustion gas fully mixes by pore on the dividing plate respectively in proportion with air.
Described a kind of fuel gas with low heat value shock wave soot blower, the front end of described surge generator is equipped with plural waveguide.
Described a kind of fuel gas with low heat value shock wave soot blower, described gas pipeline heater are to adopt resistance wire or resistive band to twine on the gas pipeline to carry out electrical heating.
Described a kind of fuel gas with low heat value shock wave soot blower, described gas pipeline heater are to surround gas pipeline with steam jacket to heat.
Described a kind of fuel gas with low heat value shock wave soot blower connects stop valve, flowmeter on the pipeline of described gas inlet pipe; The pipeline of described air intake duct connects stop valve, flowmeter.
Described a kind of fuel gas with low heat value shock wave soot blower inserts needle-valve, magnetic valve, check-valves on the pipeline of this fuel gas with low heat value shock wave soot blower; Described fuel gas with low heat value shock wave soot blower is provided with spark arrester.
Described a kind of fuel gas with low heat value shock wave soot blower,, described gas inlet pipe is equipped with pressure regulator valve, Pressure gauge, filter, and described air intake duct is equipped with pressure regulator valve, Pressure gauge, filter.
This fuel gas with low heat value shock wave soot blower can adopt low-calorie coke-stove gas, pipeline Device in Gas etc. to use.Directly, open valve during use and can conveniently supply gas gas piping and the butt joint of shock wave soot blower.Be difficult for lighting at fuel gas with low heat value, the utility model adopts electrical heating or Steam Heating on gas piping, improve coal gas physics latent heat by improving gas temperature, remedy the low shortcoming that is difficult for lighting of calorific value of gas, reach low-heat value gas and get final product the purpose that detonation produces shock wave.Soot blower can adopt low-calorie coke-stove gas, pipeline Device in Gas etc.Directly the butt joint of gas piping and shock wave soot blower, open valve during use and supply gas and get final product.Be difficult for lighting at fuel gas with low heat value, the utility model adopts resistance wire or resistive band winding carrying out electrical heating or steam jacket encirclement gas piping to heat on gas piping, improve coal gas physics latent heat by improving gas temperature, remedy the low shortcoming that is difficult for lighting of calorific value of gas, reach low-heat value gas and get final product the purpose that detonation produces shock wave.Expanded the usage space of soot blower, for multiple combustion gas, different operating modes all can be used.
The soot blower waveguide adopts the structure be no less than two pipes, and shock wave blows out by being no less than two pipes, and ripple has juxtaposition, belongs to two or more sectorial waves, and it is big to blow grey angle, and ash-removal effect is good.Shock wave blows to tube bank with 360 degree adjustment directions respectively by being no less than two waveguides at least, reaches low-heat value gas and gets final product the purpose that detonation produces the comprehensive dust out of shock wave.The soot blower waveguide adopts the structure be no less than two pipes, and shock wave blows out by being no less than two waveguides, and ripple has juxtaposition, belongs to two or more sectorial waves, and it is big to blow grey angle, and ash-removal effect is good.Can reach a tractor serves several purposes, various informativeization expanded the occupation mode of soot blower.
Description of drawings
The structural representation of Fig. 1 the utility model embodiment;
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As shown in Figure 1, fuel gas with low heat value, generally comprise low-calorie combustion gas such as coal gas and Device in Gas, a kind of fuel gas with low heat value shock wave soot blower, comprise gas inlet pipe 1 and air intake duct 2, described gas inlet pipe 1 is arranged on the platform with air intake duct 2, and described gas inlet pipe 1 is equipped with gas pipeline heater 15, and described gas pipeline heater 15 is heated to combustion gas more than 90 ℃.Described gas pipeline heater 15 is to adopt resistance wire or resistive band to twine on the gas pipeline to carry out electrical heating.Described gas pipeline heater 15 is to surround gas pipeline with steam jacket to heat.Described gas inlet pipe 1 inserts the gas-air mixing arrangement respectively with air inlet 2 pipes, described gas-air mixing arrangement is installed igniter 14, described gas-air mixing arrangement connects surge generator 13, and the front end of described surge generator 13 is installed waveguide 12.The front end of described surge generator is equipped with plural waveguide 12.Gas-air mixing arrangement inside is equipped with dividing plate.Described gas-air mixing arrangement is inner installs two-layer dividing plate, and inside is the combustion gas dividing plate, the plate face pore that evenly distributes; The outside is an air baffle, the plate face pore that evenly distributes; Combustion gas fully mixes by pore on the dividing plate respectively in proportion with air.Connect stop valve 3, flowmeter 4 on the pipeline of described gas inlet pipe; The pipeline of described air intake duct connects stop valve 3, flowmeter 4.Insert needle-valve 10, magnetic valve 8, check-valves 9 on the pipeline of this fuel gas with low heat value shock wave soot blower; Described fuel gas with low heat value shock wave soot blower is provided with spark arrester 11.Described gas inlet pipe is equipped with pressure regulator valve 5, Pressure gauge 6, filter 7, and described air intake duct is equipped with pressure regulator valve 5, Pressure gauge 6, filter 7.
Shock wave blows the principle of ash, and soot blower system mainly is by control fuel gas and air capacity, enter mixing arrangement with certain proportion after, produce controllable shock wave.The primary structure of shock wave apparatus system is formed: the igniter of gas inlet pipe and air intake duct, gas pipeline heater, combustion gas and Air mixing device, mist, shock wave generator and waveguide.Combustion gas enters gas inlet pipe by pipeline, air enters air intake duct by pipeline, pipe arrangement is on platform, combustion gas enters with the Air mixing device, through heater coal gas is heated to more than 90 ℃ through the heater of arranging on the gas pipeline, mist is lighted the back, is entered in the shock wave generator of certain altitude through igniter, produce ripple in the shock wave generator, the waveguide by its front end propagates into ripple in the equipment of dust stratification again.
Fuel gas with low heat value shock wave soot blower mainly can adopt coke-stove gas, low-BTU gas such as pipeline Device in Gas, fuel gas and air enter special mixing arrangement by gas inlet pipe and air intake duct, the present invention adopts resistance wire or resistive band winding carrying out electrical heating or steam jacket to surround gas piping on gas piping to heat, improve coal gas physics latent heat by improving gas temperature, the two-layer diaphragm structure of the inner employing of mixing arrangement, inside is the coal gas dividing plate, the plate face pore that evenly distributes, the outside is an air baffle, the plate face pore that also evenly distributes, coal gas fully mixes by pore on the dividing plate respectively in proportion with air, and formation can produce the burning mixture of detonation.Mixed gas enters in the shock wave generator again, light gaseous mixture in the mixing arrangement with high energy ignition unit, mist detonation thereupon in mixing arrangement and the shock wave generator, in the shock wave generator, form high-pressure shocking wave, shock wave blows to tube bank with 360 degree adjustment directions respectively by being no less than two waveguides at least, reaches low-heat value gas and gets final product the purpose that detonation produces the comprehensive dust out of shock wave.
Such as this soot blower in the application aspect the coal gas, the scene does not have the gas of high heating values such as acetylene gas, and the byproduct-Device in Gas of coal gas has a large amount of residues, just sky is discharged when toing many or too much for use sometimes, by gas pipeline transportation service, use on the shock wave soot blower, also belong to exhaust gas utilization, when gas piping did not heat, soot blower did not produce the shock wave of certain intensity with regard to cisco unity malfunction sometimes, heat and the gas piping before the soot blower (about 5-6 rice) twined with resistive band when using, Device in Gas is heated to 90 °, then with air mixing detonation after, extraordinary shock wave tells on.
After shock wave produced in the past, during by a waveguide output, blowing ash is limited in scope, also has dust stratification for four jiaos at boiler, promptly there is the dead angle, we blow in the boiler after waveguide is changed into two by one side by side, have increased greatly and have blown grey angle of radiation, middle two ripple laps, it is effective to blow ash, and it is more thorough clean to blow ash, and two wave radiation are outward the time, the dust at boiler dead angle has also been disposed, strengthened greatly and blown grey effect, improved the heat exchange efficiency of boiler tube, can improve about 5 tons of steam gas production in one hour.
The embodiment of this sootblower applications Device in Gas: Device in Gas enters gas inlet pipe by pipeline, compressed air enters air intake duct by air duct, pipe arrangement is on platform, Device in Gas enters and the Air mixing device through the heater of arranging on the gas pipeline, through the Device in Gas pipeline coal gas is transported in the mixing arrangement then, heater is heated to Device in Gas more than 90 ℃ in this way, after mist is lighted through igniter, enter in the shock wave generator of certain altitude, produce ripple in the shock wave generator, the waveguide by its front end propagates into ripple in the tube bank of dust stratification and blows ash work again.
Claims (9)
1. fuel gas with low heat value shock wave soot blower, comprise gas inlet pipe and air intake duct, described gas inlet pipe and air intake duct are arranged on the platform, it is characterized in that, described gas inlet pipe is equipped with the gas pipeline heater, described gas inlet pipe and air intake duct insert the gas-air mixing arrangement respectively, described gas-air mixing arrangement is installed igniter, described gas-air mixing arrangement connects surge generator, and the front end of described surge generator is installed waveguide.
2. according to the described a kind of fuel gas with low heat value shock wave soot blower of claim 1, it is characterized in that described gas-air mixing arrangement inside is equipped with dividing plate.
3. according to the described a kind of fuel gas with low heat value shock wave soot blower of claim 2, it is characterized in that described gas-air mixing arrangement is inner installs two-layer dividing plate, inside is the combustion gas dividing plate, the plate face pore that evenly distributes; The outside is an air baffle, the plate face pore that evenly distributes; Combustion gas fully mixes by pore on the dividing plate respectively in proportion with air.
4. according to the described a kind of fuel gas with low heat value shock wave soot blower of claim 1, it is characterized in that the front end of described surge generator is equipped with plural waveguide.
5. according to the described a kind of fuel gas with low heat value shock wave soot blower of claim 1, it is characterized in that described gas pipeline heater is to adopt resistance wire or resistive band to twine on the gas pipeline to carry out electrical heating.
6. according to the described a kind of fuel gas with low heat value shock wave soot blower of claim 1, it is characterized in that described gas pipeline heater is to surround gas pipeline with steam jacket to heat.
7. according to the described a kind of fuel gas with low heat value shock wave soot blower of claim 1, it is characterized in that, connect stop valve, flowmeter on the pipeline of described gas inlet pipe; The pipeline of described air intake duct connects stop valve, flowmeter.
8. according to the described a kind of fuel gas with low heat value shock wave soot blower of claim 1, it is characterized in that, insert needle-valve, magnetic valve, check-valves on the pipeline of this fuel gas with low heat value shock wave soot blower; Described fuel gas with low heat value shock wave soot blower is provided with spark arrester.
9. according to the described a kind of fuel gas with low heat value shock wave soot blower of claim 1, it is characterized in that described gas inlet pipe is equipped with pressure regulator valve, Pressure gauge, filter, described air intake duct is equipped with pressure regulator valve, Pressure gauge, filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201850941U CN201768712U (en) | 2010-04-30 | 2010-04-30 | Low-heat value fuel gas shockwave soot blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201850941U CN201768712U (en) | 2010-04-30 | 2010-04-30 | Low-heat value fuel gas shockwave soot blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201768712U true CN201768712U (en) | 2011-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201850941U Expired - Fee Related CN201768712U (en) | 2010-04-30 | 2010-04-30 | Low-heat value fuel gas shockwave soot blower |
Country Status (1)
| Country | Link |
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| CN (1) | CN201768712U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350419A (en) * | 2011-08-12 | 2012-02-15 | 北京凡元兴科技有限公司 | Gun-carriage-type removable gas energy soot blower |
| CN102913921A (en) * | 2011-08-01 | 2013-02-06 | 北京中电聚科科技有限公司 | Automatic deashing device for thermal-powered or thermoelectric boilers |
-
2010
- 2010-04-30 CN CN2010201850941U patent/CN201768712U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913921A (en) * | 2011-08-01 | 2013-02-06 | 北京中电聚科科技有限公司 | Automatic deashing device for thermal-powered or thermoelectric boilers |
| CN102350419A (en) * | 2011-08-12 | 2012-02-15 | 北京凡元兴科技有限公司 | Gun-carriage-type removable gas energy soot blower |
| CN102350419B (en) * | 2011-08-12 | 2013-12-25 | 北京凡元兴科技有限公司 | Gun-carriage-type removable gas energy soot blower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110323 Termination date: 20160430 |