CN102322643A - A kind of gas energy impulse soot blower with Compressed Gas - Google Patents
A kind of gas energy impulse soot blower with Compressed Gas Download PDFInfo
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- CN102322643A CN102322643A CN201110234532A CN201110234532A CN102322643A CN 102322643 A CN102322643 A CN 102322643A CN 201110234532 A CN201110234532 A CN 201110234532A CN 201110234532 A CN201110234532 A CN 201110234532A CN 102322643 A CN102322643 A CN 102322643A
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Abstract
The invention discloses a kind of gas energy impulse soot blower with Compressed Gas; Comprise many group pulses shock wave generator; Said every group pulse shock wave generator comprises the magnetic valve of controlling this group air feed duplexure On/Off, the Impulsive tank that produces shock wave and the release that discharges shock wave, and the said air feed duplexure of respectively organizing is communicated with compression gas generator through air delivering pipeline.Gas energy impulse soot blower with Compressed Gas of the present invention adopt Compressed Gas as the gas of boiler soot-blowing can, cost SHOCK ENERGY lower, that produce is bigger, blow grey more remarkable effect, and it is simple in structure, fault rate is low, more safe and reliable.
Description
Technical field
The present invention relates to a kind of soot blower, relate in particular to a kind of gas energy impulse soot blower that utilizes Compressed Gas.
Background technology
The slag-blowing equipmemt of station boiler installation at present mainly is steam sootblower and acoustic wave ash ejector.
Steam sootblower is traditional soot blower, and at present usage quantity is maximum because structure and medium add the influence of hot environment, the ash gun pipe be prone to take place bite, malfunctioning, leak phenomenon such as vapour, equipment failure rate is higher relatively, requires maintenance levels higher.
Acoustic wave ash ejector is because energy shortage (present maximum acoustic energy is about 140 decibels) is very big with the intrinsic frequency difference of soot particle; Incompatible with the dust stratification characteristic, blow grey poor, can not remove existing dust stratification basically; Can only, it stop the generation of dust stratification when blowing ash; Cause the boiler heating surface dust stratification serious, exhaust gas temperature raises, thereby greatly reduces boiler thermal output.
In addition, also have a kind of gas impulse shock-wave ash blowing device, its operation principle is to utilize air and fuel gas (like hydrogen, acetylene gas, coal gas, liquefied gas and natural gas etc.) to mix with suitable ratio row; In a special container, mix,, produce detonation through high-frequency ignition; The huge acoustic energy that moment produces and a large amount of high temperature and high speed gases; Form with shock wave is vibrated, is clashed into and wash away heated surface bundle, and its superficial dust is splashed, and takes away with flue gas.The shortcoming of gas impulse shock-wave ash blowing device is: blow ash and consume combustion gas, need the periodic replacement air feed equipment; It is mainly big to vertical wash surface effect to blow ash, and blowing ash has the dead angle; Blow ash and wash away fixing heating surface for a long time, combustion gas must be taken care.
Summary of the invention
The present invention is directed to the drawback of prior art, a kind of gas energy impulse soot blower with Compressed Gas is provided.
Gas energy impulse soot blower with Compressed Gas of the present invention; Comprise many group pulses shock wave generator; Said every group pulse shock wave generator comprises the magnetic valve of controlling this group air feed duplexure On/Off, the Impulsive tank that produces shock wave and the release that discharges shock wave, and the said air feed duplexure of respectively organizing is communicated with compression gas generator through air delivering pipeline.
In the gas energy impulse soot blower with Compressed Gas of the present invention, said compression gas generator is an air compressor.
In the gas energy impulse soot blower with Compressed Gas of the present invention, also comprise an electrical control cubicles, the magnetic valve of said electrical control cubicles and every group pulse shock wave generator electrically connects.
In the gas energy impulse soot blower with Compressed Gas of the present invention; Further be provided with surge tank on the said air delivering pipeline; Be provided with the Pressure gauge that shows air delivering pipeline pressure in this surge tank, air delivering pipeline pressure is passed to the pressure transmitter of electrical control cubicles and according to total magnetic valve of the instruction On/Off air delivering pipeline that receives, said pressure transmitter, total magnetic valve and electrical control cubicles electric connection.
In the gas energy impulse soot blower with Compressed Gas of the present invention, further be provided with the pressure-reducing valve that discharges air delivering pipeline pressure in the said surge tank.
In the gas energy impulse soot blower with Compressed Gas of the present invention, further be provided with air accumulator on the said air delivering pipeline.
Gas energy impulse soot blower with Compressed Gas of the present invention adopt Compressed Gas as the gas of boiler soot-blowing can, cost SHOCK ENERGY lower, that produce is bigger, blow grey more remarkable effect, and it is simple in structure, fault rate is low, more safe and reliable.
Description of drawings
Fig. 1 is the structural representation of the gas energy impulse soot blower with Compressed Gas according to the invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done further detailed description, can implement according to this with reference to the specification literal to make those skilled in the art.
Learn by aerodynamics; When the gases at high pressure in airtight space contacted with low-pressure gas rapidly in the extremely short time; Its preceding sharp side will form a compressional wave, and in impact tube, the final shock wave that produces certain intensity is constantly strengthened, quickened to forward's compressional wave.The formation of this kind shock wave and intensity are decided by the time that gases at high pressure contacted with low-pressure gas moment largely, the promptly so-called rupture of membranes time, and, it just can produce shock wave after reaching certain critical value, and the time, short more shock strength was big more.
Gas energy impulse soot blower of the present invention utilizes this principle just; It is a medium with the Compressed Gas of certain pressure; In the shock wave generator of special construction, produce shock wave and form shock wave through abrupt release; The final shock velocity that forms is usually more than 2 overtone speed; (the air parameter pulsation peak value that 140 decibels of sound waves of air parameter pulsation peakedness ratio that the common shock wave of 4 times of velocities of sound together causes cause wants high about 10,000 times) is ejected on the boiler heating surface from impact tube, after shock wave ejects from impact tube, the sector space outside jet made spherical diffusion; Shock wave after the diffusion can blown generation physical interface refraction on the body surface, and imports to deep layer through refraction.The violent pressure pulse wave of shock wave produces a kind of effect of the back push-and-pull of extruding earlier to dust stratification, make the dust stratification excited wave on the heating surface impact and fragmentation, peel off the substrate of disengaging dust stratification.Through the energy of control shock wave, can force fouling of heating surface under the shock wave of varying strength impacts, to come off to adapt to the dissimilar heat transmission equipment dust stratification of boiler.
Gas energy impulse soot blower of the present invention has the direct acting mechanical impact force of gas that shock-wave ash blowing device and common steam soot blower had and the Burning in Effect of Sound Energy power of the various frequency sound waves of acoustic wave ash ejector.Both had the shock-wave ash blowing device good blow grey effect, have also that strength purges and the acting in conjunction of various frequency acoustic energy, its effect is that steam sootblowers, pulse shock-wave ash blowing device, acoustic wave ash ejector are incomparable.
As shown in Figure 1; Gas energy impulse soot blower with Compressed Gas of the present invention; Comprise many group pulses shock wave generator; Said every group pulse shock wave generator comprises the magnetic valve 4 of controlling this group air feed duplexure On/Off, the Impulsive tank 3 that produces shock wave and the release 2 that discharges shock wave, and the said air feed duplexure of respectively organizing is communicated with compression gas generator 12 through air delivering pipeline 11.
Among the present invention, it is the air compressor of 1.2 MPas～1.6 MPas that said compression gas generator 12 can adopt compressed air pressure; Perhaps, adopt external compressed air gas source; Perhaps, not having external compressed air gas source and do not have on air delivering pipeline 11, air accumulator to be set under the situation of air compressor, also can satisfy the demand of interim use.
In the gas energy impulse soot blower with Compressed Gas of the present invention, also comprise an electrical control cubicles 1, said electrical control cubicles 1 electrically connects with the magnetic valve 4 of every group pulse shock wave generator.Control magnetic valve 4 through control electrical control cubicles 1 and open or close, thereby can realize control corresponding group pulse shock wave generator.
On air delivering pipeline 11; Also surge tank 5 can be set further; Be provided with the Pressure gauge 9 that shows air delivering pipeline 11 pressure in the said surge tank 5, air delivering pipeline 11 pressure are passed to the pressure transmitter 6 of electrical control cubicles 1 and according to total magnetic valve 7 of the instruction On/Off air delivering pipeline 11 that receives, said pressure transmitter 6, total magnetic valve 7 electrically connect through cable 10 with electrical control cubicles 1.Further, the pressure-reducing valve 8 that discharges air delivering pipeline 11 pressure also can further be set in said surge tank 5.
The existing course of work to the gas energy impulse soot blower with Compressed Gas according to the invention is done concise and to the point description.
The working media that gas energy impulse soot blower of the present invention is selected for use is a compressed air; Operating pressure is 1.2-1.6Mpa; During work,, after pressure reaches certain predetermined value, close magnetic valve and start shock wave generator through the compressed air importing shock wave generator of opens solenoid valve with certain pressure.
Gases at high pressure contact with low-pressure gas moment and produce shock wave, and shock wave gets in the stove through the jet pipe of release, and the vibrations of generation come off the black dirt on the boiler heating surface, and are taken away by flue gas.
This moment, the shock wave generator internal pressure reduced rapidly, opens solenoid valve once more, and compressed air is imported again, restarts shock wave generator, thereby moves in circles work, and cycle-index will be set according to the order of severity of the collecting ash of the different coals of burning.
Gas energy impulse soot blower of the present invention is because the simplification of its course of work, the time interval 10-30s between per two subpulses, thereby improve greatly and blow grey effect.Through adjustment to the compressed air different pressures, can control and obtain desirable shock strength, thereby can make the intensity of shock wave be fit to the dust stratification type that its correspondence is blown object, blow grey effect to reach the best.
The advantage of the gas energy impulse soot blower with Compressed Gas according to the invention is:
1. dedusting effect is obvious, and flue gas resistance and exhaust gas temperature are descended, and generally can make flue gas resistance decline 100-400Pa, and flue-gas temperature can descend 5-10 ℃.
2. because of compressed-air actuated pressure is 1.2-1.6Mpa, higher than the moment detonation pressure 0.6-0.8MPa of gas soot blower, it is big that the energy of the shock wave of generation is wanted, so the deashing effective range is more thorough greatly, does not stay and blow grey dead angle.
3. can online ash disposal, per tour once, every mouthful once only needs 3-5 " big gun ", about 1-4 minute.
4. utilize compressed air that power plant itself has or very convenient with the compressed air pump of 1.6MPa.
5. the employing incombustible gas has overcome the hidden danger that gas shock-wave ash blowing device system leak or burner hearth smoke backflow are produced.
6. applied widely, gas energy impulse shock-wave ash blowing device can be applicable to the All Ranges that comprises high temperature superheater, does not receive the influence of high temperature section temperature and body of heater malleation fluctuation.
7. simplify than other soot blower system, operating cost is low, investment is little, and operating cost is fast with soot blower, duration that investment is lower than present form of ownership under the situation on year-on-year basis, and separate unit is installed and can in one day, be accomplished, and is convenient for installation and maintenance.
8. fault rate is low.Imbody in: because of structure is different with the gas shock-wave ash blowing device, the lower end of the shock wave generator among the present invention seals, and can not produce the ponding dust stratification without its inside at ordinary times; System simplification does not have the acetylene feeder, does not have acetylene distribution igniter; Control section is simplified, and reduces the link of filling acetylene gas and igniting, safety and reliability.
9. can on the gas soot blower basis, transform original deflagration tank capable of using and spout.
Although embodiment of the present invention are open as above; But it is not restricted to listed utilization in specification and the embodiment; It can be applied to various suitable the field of the invention fully, for being familiar with those skilled in the art, can easily realize other modification; Therefore under the universal that does not deviate from claim and equivalency range and limited, the legend that the present invention is not limited to specific details and illustrates here and describe.
Claims (6)
1. gas energy impulse soot blower with Compressed Gas; Comprise many group pulses shock wave generator; Said every group pulse shock wave generator comprises the magnetic valve of controlling this group air feed duplexure On/Off, the Impulsive tank that produces shock wave and the release that discharges shock wave; It is characterized in that the said air feed duplexure of respectively organizing is communicated with compression gas generator through air delivering pipeline.
2. gas energy impulse soot blower as claimed in claim 1 is characterized in that said compression gas generator is an air compressor.
3. gas energy impulse soot blower as claimed in claim 1 is characterized in that, also comprises an electrical control cubicles, and the magnetic valve of said electrical control cubicles and every group pulse shock wave generator electrically connects.
4. gas energy impulse soot blower as claimed in claim 3; It is characterized in that; Further be provided with surge tank on the said air delivering pipeline; Be provided with the Pressure gauge that shows air delivering pipeline pressure in this surge tank, air delivering pipeline pressure is passed to the pressure transmitter of electrical control cubicles and according to total magnetic valve of the instruction On/Off air delivering pipeline that receives, said pressure transmitter, total magnetic valve and electrical control cubicles electric connection.
5. gas energy impulse soot blower as claimed in claim 4 is characterized in that, further is provided with the pressure-reducing valve that discharges air delivering pipeline pressure in the said surge tank.
6. gas energy impulse soot blower as claimed in claim 4 is characterized in that, further is provided with air accumulator on the said air delivering pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110234532A CN102322643A (en) | 2011-08-12 | 2011-08-12 | A kind of gas energy impulse soot blower with Compressed Gas |
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| CN201110234532A CN102322643A (en) | 2011-08-12 | 2011-08-12 | A kind of gas energy impulse soot blower with Compressed Gas |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307614A (en) * | 2012-03-06 | 2013-09-18 | 周慧民 | Modulated pulse soot blowing method and device |
| CN104089291A (en) * | 2014-07-25 | 2014-10-08 | 邓雪明 | Gas-liquid mixed soot blowing device |
| CN104235863B (en) * | 2014-09-29 | 2016-08-17 | 天津春辉兴科技有限责任公司 | A kind of ash-blowing method |
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| CN2814163Y (en) * | 2005-11-16 | 2006-09-06 | 哈尔滨世纪热能技术开发有限公司 | Modular intelligent control pulse soot blower |
| EP1987895A1 (en) * | 2007-05-04 | 2008-11-05 | United Technologies Corporation | Detonative cleaning apparatus |
| CN101819070A (en) * | 2009-12-30 | 2010-09-01 | 北京光华纺织集团有限公司 | Gas shock wave soot blowing deflagration misfire detection method |
| CN201827898U (en) * | 2010-10-20 | 2011-05-11 | 沈阳东朝红革仪器仪表有限公司 | Compressed air shock wave soot blower |
| CN201906725U (en) * | 2010-04-30 | 2011-07-27 | 刘兵 | Energy-saving environment-friendly pulse wave soot blower |
| CN202216258U (en) * | 2011-08-12 | 2012-05-09 | 北京凡元兴科技有限公司 | Gas energy pulse soot blower using compressed gas |
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2011
- 2011-08-12 CN CN201110234532A patent/CN102322643A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2814163Y (en) * | 2005-11-16 | 2006-09-06 | 哈尔滨世纪热能技术开发有限公司 | Modular intelligent control pulse soot blower |
| EP1987895A1 (en) * | 2007-05-04 | 2008-11-05 | United Technologies Corporation | Detonative cleaning apparatus |
| CN101819070A (en) * | 2009-12-30 | 2010-09-01 | 北京光华纺织集团有限公司 | Gas shock wave soot blowing deflagration misfire detection method |
| CN201906725U (en) * | 2010-04-30 | 2011-07-27 | 刘兵 | Energy-saving environment-friendly pulse wave soot blower |
| CN201827898U (en) * | 2010-10-20 | 2011-05-11 | 沈阳东朝红革仪器仪表有限公司 | Compressed air shock wave soot blower |
| CN202216258U (en) * | 2011-08-12 | 2012-05-09 | 北京凡元兴科技有限公司 | Gas energy pulse soot blower using compressed gas |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307614A (en) * | 2012-03-06 | 2013-09-18 | 周慧民 | Modulated pulse soot blowing method and device |
| CN104089291A (en) * | 2014-07-25 | 2014-10-08 | 邓雪明 | Gas-liquid mixed soot blowing device |
| CN104089291B (en) * | 2014-07-25 | 2016-10-05 | 邓雪明 | A kind of gas-liquid mixed soot blower |
| CN104235863B (en) * | 2014-09-29 | 2016-08-17 | 天津春辉兴科技有限责任公司 | A kind of ash-blowing method |
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Free format text: FORMER OWNER: WANG HAICHAO Effective date: 20130204 |
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Effective date of registration: 20130204 Address after: 102206 Beijing City, Changping District Shahe Higher Education Park Manjing West No. 218 Applicant after: Beijing Fanyuanxing Technology Co., Ltd. Address before: 102206 Beijing City, Changping District Shahe Higher Education Park Manjing West No. 218 Applicant before: Beijing Fanyuanxing Technology Co., Ltd. Applicant before: Wang Haichao |
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Application publication date: 20120118 |