CN101055092B - Ignition control method - Google Patents
Ignition control method Download PDFInfo
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- CN101055092B CN101055092B CN2006100728921A CN200610072892A CN101055092B CN 101055092 B CN101055092 B CN 101055092B CN 2006100728921 A CN2006100728921 A CN 2006100728921A CN 200610072892 A CN200610072892 A CN 200610072892A CN 101055092 B CN101055092 B CN 101055092B
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- ignition
- flame
- igniting
- combustion head
- combustion
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Abstract
The invention disclose an ignition control method, specially relates to an ignition control method for igniting another combustible gas by employing inner ignition mode, and is used for solving the weakness existing in current ignition method such as unsafe aloft ignition work, low ignition success rate, inconvenient maintain and so on. The method includes steps as following: mixing ignition gas with air, igniting inner ignition burning head, adjusting flame of the inner ignition burning head, igniting all-time fire burning head, shutting off the inner ignition system, automatically monitoring flameout and so on. For employing the inner ignition mode, the method can realize ground ignition, and ignition will not be affected by climate, environment, and the ignition success rate can be enhanced, and the method has better safety, is widely applicable for ignition control in petroleum chemical industry or other.
Description
Technical field
The present invention relates to a kind of ignition control method, particularly the mode of igniting is lighted the ignition control method of another fuel gas in the utilization.
Background technology
At present mostly the waste gas of petroleum chemical industry (as hydrogen sulfide etc.) is that carrying out the emptying burning by the torch that is in the high-altitude handles because not easy to be recycled.Mostly traditional sparking mode is that the high-altitude directly lights the waste gas of emptying, or lights the ever-burning flame combustion head in the high-altitude, and the ever-burning flame combustion head keeps not going out, and lights waste gas when waste gas is discharged.This dual mode all is to be main means with high-altitude ignition, and the igniter head on the high-altitude is under the environment of high-altitude, pollution, high temperature for a long time, exists difficult in maintenance and potential safety hazard, thereby the long-term contaminated and high temperature of igniter head causes reduce greatly its service life.And also have a kind of guest performer's fire sparking mode in addition, and promptly on ignition tube, beat a lot of apertures, light bottom that aperture on ground, flame will up be gone here and there, and lights an aperture of an aperture, up to topmost, lights top that waste gas blow-down pipe.Obvious this mode is subjected to the influence of factors such as weather, environment bigger, exists and causes the personal safety hidden danger that ignition performance is unstable and guest performer's ignition system needs artificial on-the-spot naked light to ignite easily.Adopt air compressor will be mixed with the gas pressure of air in the above-mentioned existing sparking mode to the high-altitude, also have weak point: the one, air compressor costs an arm and a leg, the 2nd, air compressor air fuel gas than being set to the scope that meets burning, but to not adopting the mouth of pipe of the combustion head of steady flame structure, because the influence of outside air, this ratio changes, and is easy to cause flame-out.
Summary of the invention
The objective of the invention is problem for high-altitude ignition head maintenance difficulty, ignition performance instability and the potential safety hazard that overcomes existing ignition system existence, the no high-altitude electric ignition operation of the mode of igniting in a kind of the employing is provided, it is easier to safeguard, the ignition success rate height, safer ignition control method.
The objective of the invention is to be achieved through the following technical solutions.
Ignition control method comprises combustion gas mixing, igniting, the automatic emphasis step of flame-out monitoring, and the combustion gas mixing step is to adopt to mix gas blower fan ignite in mixing combustion gas and air, and lighting up procedure comprises the combustion head of igniting in lighting.The combustion head of igniting in described the lighting is an opening point firearm in the interior ignition tube of sealing, and flame upwards draws in the interior ignition tube of sealing, until lighting its combustion head.The blower fan that the combustion gas mixing step adopts mixes the gas mode, and fuel gas is fed blower fan, is mixed with air by the blower fan rotation, and the blast pressurization that is produced by the blower fan rotation is imported the combustion head of igniting in high-level is set then.The combustion gas of fuel gas source is through the inside ignition tube of fuel gas flow channel (being combustion gas and Air mixing pipeline), simultaneously, the blower fan air blast, through the inside ignition tube air supply of air duct, combustion gas and air are mixed into fuel gas in interior ignition tube, electronic type igniter in being arranged in ignition tube portion is within it lighted fuel gas, because the fuel gas flow velocity is greater than the diffusion velocity of flame combustion, ignition point is moved to the exit in interior pitot tube, when igniting combustion head in duration and degree of heating to be ignited arrives, because of in ignite the diameter of combustion head greater than interior ignition tube diameter, fuel gas reduces at this flow velocity, forms the flame combustion of continous-stable.
Above-mentioned combustion gas mixing step is meant, the gas control valve of igniting in time-delay was opened in 1 second behind the mixed gas fan starting, and the combustion gas of igniting in the feeding mixed with air 2 seconds.Time-delay 1 second was the gas control valve feeding combustion gas of igniting in opening again behind the mixed gas fan starting, was to introduce combustion gas again after blower fan is fully rotated, and avoided combustion gas mixing irregular; Combustion gas mixes 2 seconds with air be for both are fully mixed.
The combustion head of igniting in the lighting in the above-mentioned lighting up procedure is meant, after the combustion gas mixing step, open be arranged on ground in the ignition point firearm, the combustion head of igniting in interior ignition point firearm is lighted.Because the combustion system of igniting in being, behind the gaseous mixture that can in its igniter being arranged on ground, lighting, ignite, by hermetic ignition tube guide to the high-altitude in the combustion head of igniting, make it to light, show naked light.
The flame regulating step of igniting in also comprising in the above-mentioned lighting up procedure.Combustion head ignite in avoiding igniting because tolerance deficiency and flame is too little causes fray-out of flame.
The flame regulating step of igniting in above-mentioned is meant, in ignite after combustion head lighted, after the burning, postponed for 5 seconds, open steam supply valve, combustion gas is increased, perhaps by the flame monitor inverse signal, after control system obtained this signal, the flame of the combustion head of igniting in the adjusting made it to increase.The flame of combustion head of igniting in herein regulating can have dual mode, the one, the combustion gas input of the combustion head of igniting in employing is directly regulated, the one, adopt and open the control valve of little air inflow when lighting, after igniting, open bypass control valve in parallel with it, the air inflow of this bypass control valve is bigger.
Above-mentioned lighting up procedure also comprises lights ever-burning flame combustion head step, behind the flame of the combustion head of igniting in promptly regulating 5 seconds, opens the ever-burning flame control valve, by the flame of the interior combustion head of the igniting ever-burning flame combustion head that ignites.Delaying time 5 seconds, and monitor with flame monitor simultaneously, is for the combustion head of igniting in guaranteeing can keep stable, and open the ever-burning flame control valve this moment again, avoids the combustion gas emptying of ever-burning flame control valve, pollutes or accident.
Behind the above-mentioned ever-burning flame combustion head that ignites, close simultaneously mix the gas blower fan, in ignite control valve, interior ignition point firearm.Because this moment, the ever-burning flame combustion head ignited, mix the gas blower fan, in control valve, the igniter of the system task of all having finished the work of igniting, the combustion head of igniting in no longer needing to continue to light, therefore close above-mentioned parts, both energy-conservation, ignite in reducing again non-productive work time of combustion head, prolong its working life.
The automatic emphasis step of above-mentioned flame-out monitoring is meant, after flame monitor detects the fray-out of flame of ever-burning flame combustion head, signal is passed to control system, control system automatically according to above-mentioned combustion gas mixing, the combustion head of igniting in lighting, ignite in regulating combustion head flame, the ever-burning flame combustion head that ignites, close mix the gas blower fan and in ignite control valve and interior ignition point firearm step rekindle the ever-burning flame combustion head.This is in order can to control automatically, and reaches intelligent, unattended requirement.
Ignite in above-mentioned combustion head and ever-burning flame combustion head adds steady flame head.
The ignition way of igniting in the present invention adopts, the combustion head of can in light on ground, igniting, ignite by the interior combustion head of igniting again and need the gas fuel burning of ignition head (as the emptying waste gas torch of petroleum chemical industry), or by the interior combustion head of the igniting ever-burning flame combustion head that ignites, the ever-burning flame combustion head keeps burning, when the gas fuel burning head that needs ignition has fuel gas to discharge, realize burning; When not having fuel gas to discharge, the ever-burning flame combustion head does not go out, and is in " standby " state, when having fuel gas to discharge in order to the gas fuel burning head, realizes lighting.This method has realized no work high above the ground electric ignition, and because air is the interior ignition tube that the more cheap blower fan of relative air compressor price is mixed into sealing with combustion gas, realize totally-enclosed terrestrial operation, adopt the automatic surveillance and control measure of flame, and owing to adopt the mode of igniting in the sealing, combustion head adopts steady flame header structure, be not subjected to the influence of extraneous weather, environment, the ignition success rate height is ignited burning under the blower pressure effect, it is strong and powerful to burn, and reaches smokeless combustion.As seen, adopt the present invention of above-mentioned steps, with the interior sparking mode of igniting, adopt blower fan mixing air and combustion gas, can realize not having the purpose of work high above the ground igniting, the ignition success rate height, safeguard more convenient, safer, blower fan air compressor relatively in the past is more cheap, applicable to petroleum chemical industry waste gas emptying burning or other occasion that need light a fire.
Description of drawings
Fig. 1 is a control flow chart of the present invention;
Fig. 2 is embodiments of the invention;
Fig. 3 is the schematic diagram that combustion head lights of igniting among the present invention;
Label among the figure is respectively, 1-mix the gas blower fan, 2-in the control valve of igniting, 3-interior ignition point firearm, 4-gas inlet, 5-ever-burning flame control valve, 6-pressure-regulating valve, 7-flame monitor, 8-in the combustion head of igniting, 9-ever-burning flame combustion head, 10-bypass control valve, 11-automatic control system, 12-Gas Pipe, 13-air hose, 14-interior ignition tube.
The specific embodiment
The present invention is further illustrated below in conjunction with specific embodiments and the drawings.
As shown in Figure 1, ignition control method disclosed by the invention is applied in the waste gas high-altitude torch ignition system of petroleum chemical industry.Ignition control method mainly comprises combustion gas mixing, igniting, the automatic emphasis step of flame-out monitoring, and igniting comprises ignite in the lighting combustion head and the ever-burning flame combustion head that ignites.As shown in Figure 2, combustion gas is entered by gas inlet 4, ignition tube and fire tube kept burning day and night in feeding respectively, ignite in interior ignition tube the is provided with control valve 2 and the pressure-regulating valve 6 of series connection with it are in addition with interior ignite control valve 2 and pressure-regulating valve 6 bypass control valve in parallel.At first press releasing the button of automatic control system 11, explosion-proof mixed gas blower fan 1 is started working, the control valve 2 of igniting in opening after 1 second of delaying time, in ignite combustion gas after mixing 2 seconds with air, ignition point firearm 3 in opening, interior ignition point firearm 3 work, in the combustion head 8 of in interior ignition tube is delivered to, igniting of igniting, make it to light the naked light of emerging, after flame monitor 7 monitors this naked light, return to 11 1 signals of telecommunication of automatic control system, automatic control system 11 is opened bypass control valve 10 according to this signal, the air inflow of this bypass control valve 10 than in the ignite air inflow of control valve big, the flame of the combustion head 8 of igniting in making increases.Delay time and open ever-burning flame control valve 5 again after 5 seconds, make combustion gas introduce ever-burning flame combustion head 9 by the ever-burning flame pipeline, by interior naked light of the igniting combustion head 8 ever-burning flame combustion head 9 that ignites, close simultaneously after flame combustion is normal mix gas blower fan 1, in ignite control 2, interior ignition point firearm 3, bypass control valve 10.If during the fray-out of flame of ever-burning flame combustion head 9, flame monitor 7 can return flame-out signal and give automatic control system 11, and automatic control system 11 will start said process automatically and light a fire again.
When in lighting, igniting combustion head 8, the combustion gas of fuel gas source is ignition tube 14 (being combustion gas and Air mixing pipeline) in Gas Pipe 12 flows to, simultaneously, mix 1 air blast of gas blower fan, through air hose 13 inside ignition tube 14 air supplies, combustion gas and air are mixed into fuel gas in interior ignition tube 14, the interior ignition point firearm 3 of the electronic type in being arranged in the ignition tube 14 portion is within it lighted fuel gas, because the fuel gas flow velocity is greater than the diffusion velocity of flame combustion, ignition point is moved to the exit in interior ignition tube 14, when igniting combustion head 8 in duration and degree of heating to be ignited arrives, because of in ignite the diameter of combustion head 8 greater than interior ignition tube 14 diameters, fuel gas reduces at this flow velocity, forms the flame combustion of continous-stable.
Can realize sealing terrestrial operation according to this method, the electric ignition operation of no high-altitude can realize that flame regulates automatically, and the burning of igniting is strong and powerful, reaches smokeless combustion, and ignition success rate reaches 99.9%.
Claims (8)
1. ignition control method, comprise combustion gas mixing, igniting, the automatic emphasis step of flame-out monitoring, it is characterized in that: the combustion gas mixing step is to adopt to mix ignite in the mixing of gas blower fan combustion gas and air, lighting up procedure comprises the combustion head of igniting in lighting, the combustion head of igniting in described the lighting is an opening point firearm in the interior ignition tube of sealing, flame upwards draws in the interior ignition tube of sealing, until lighting its combustion head, the gas control valve of igniting in time-delay was opened in 1 second behind the said mixed gas fan starting, the combustion gas of igniting in the feeding mixed with air 2 seconds.
2. ignition control method according to claim 1 is characterized in that: the combustion head of igniting in the lighting in the lighting up procedure is meant, after the combustion gas mixing step, open be arranged on ground in the ignition point firearm, the combustion head of igniting in interior ignition point firearm is lighted.
3. ignition control method according to claim 2 is characterized in that: pyrophoric flame in regulating.
4. ignition control method according to claim 3 is characterized in that: the flame regulating step of igniting in described is meant, in ignite after combustion head lighted, by the flame monitor inverse signal, after control system obtained this signal, the flame of the combustion head of igniting in the adjusting made it to increase.
5. ignition control method according to claim 4 is characterized in that: described lighting up procedure comprises behind the flame of the combustion head of igniting in the adjusting 5 seconds, opens the ever-burning flame control valve, by the flame of the interior combustion head of the igniting ever-burning flame combustion head that ignites.
6. according to the ignition control method of above-mentioned arbitrary claim, it is characterized in that: in the combustion head ever-burning flame combustion head that ignites of igniting, behind the ever-burning flame combustion head that ignites, close simultaneously mix the gas blower fan, in ignite control valve and interior ignition point firearm.
7. ignition control method according to claim 6, it is characterized in that: the automatic emphasis step of described flame-out monitoring is meant, after flame monitor detects the fray-out of flame of ever-burning flame combustion head, signal is passed to control system, control system automatically according to above-mentioned combustion gas mixing, the combustion head of igniting in lighting, ignite in regulating combustion head flame, the ever-burning flame combustion head that ignites, close mix the gas blower fan and in ignite control valve and interior ignition point firearm step rekindle the ever-burning flame combustion head.
8. ignition control method according to claim 7 is characterized in that: ignite in described combustion head and ever-burning flame combustion head add steady flame head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100728921A CN101055092B (en) | 2006-04-14 | 2006-04-14 | Ignition control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100728921A CN101055092B (en) | 2006-04-14 | 2006-04-14 | Ignition control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101055092A CN101055092A (en) | 2007-10-17 |
| CN101055092B true CN101055092B (en) | 2010-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2006100728921A Expired - Fee Related CN101055092B (en) | 2006-04-14 | 2006-04-14 | Ignition control method |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278772B (en) * | 2011-08-23 | 2013-07-10 | 中国石油集团工程设计有限责任公司 | Solar electric ignition system |
| CN104197371B (en) * | 2014-07-28 | 2017-10-27 | 安徽艾可蓝环保股份有限公司 | A kind of semi-enclosed small spatial aliasing formula ignition control method |
| CN106016354A (en) * | 2016-05-30 | 2016-10-12 | 合肥雄川机械销售有限公司 | Combustion furnace ignition system |
| TWI793459B (en) * | 2020-10-12 | 2023-02-21 | 中國鋼鐵股份有限公司 | Method for adjusting the flame of pilot burner |
| CN114963235A (en) * | 2022-04-24 | 2022-08-30 | 振东冶金科技江苏有限公司 | Novel long-distance deflagration ignition device and method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85103752A (en) * | 1985-05-16 | 1986-11-19 | 国际壳牌有限公司 | The burner that has igniter |
| CN2032687U (en) * | 1987-11-28 | 1989-02-15 | 陆占平 | Electronic firing safety protector for gas stove |
| CN2422547Y (en) * | 2000-06-02 | 2001-03-07 | 逯兆林 | Industrial electronic igniter |
| CN2502142Y (en) * | 2001-08-15 | 2002-07-24 | 陈振农 | Gas range with re-ignition function |
| CN2533391Y (en) * | 2002-03-21 | 2003-01-29 | 许东山 | Mother fire ignition structure for enclosed blast furnace |
| JP2003240241A (en) * | 2002-02-20 | 2003-08-27 | Koike Sanso Kogyo Co Ltd | Ignition device |
-
2006
- 2006-04-14 CN CN2006100728921A patent/CN101055092B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85103752A (en) * | 1985-05-16 | 1986-11-19 | 国际壳牌有限公司 | The burner that has igniter |
| CN2032687U (en) * | 1987-11-28 | 1989-02-15 | 陆占平 | Electronic firing safety protector for gas stove |
| CN2422547Y (en) * | 2000-06-02 | 2001-03-07 | 逯兆林 | Industrial electronic igniter |
| CN2502142Y (en) * | 2001-08-15 | 2002-07-24 | 陈振农 | Gas range with re-ignition function |
| JP2003240241A (en) * | 2002-02-20 | 2003-08-27 | Koike Sanso Kogyo Co Ltd | Ignition device |
| CN2533391Y (en) * | 2002-03-21 | 2003-01-29 | 许东山 | Mother fire ignition structure for enclosed blast furnace |
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| CN101055092A (en) | 2007-10-17 |
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Granted publication date: 20100818 Termination date: 20110414 |