CN105020742A - Application method of burner ignition device for coal-gas fired heating furnace - Google Patents
Application method of burner ignition device for coal-gas fired heating furnace Download PDFInfo
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- CN105020742A CN105020742A CN201510398893.4A CN201510398893A CN105020742A CN 105020742 A CN105020742 A CN 105020742A CN 201510398893 A CN201510398893 A CN 201510398893A CN 105020742 A CN105020742 A CN 105020742A
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Abstract
An application method of a burner ignition device for a coal-gas fired heating furnace belongs to the technical field of industrial furnaces, and comprises the following steps: at the moment of blowing-in ignition of the heating furnace, performing purging and releasing on a coal gas system and detecting the amount of residual oxygen in a coal gas pipeline; after detection to be qualified, connecting a rubber hose and an ignitron to the tail end of a sampling tube, and placing a lighter at the tail end of the ignitron; igniting one burner, then drawing out the ignitron, and sequentially igniting the adjacent other burners; and after ignition, dismounting the rubber hose and the ignitron, and sealing ignition holes in the burners by heat-resistant glass. The application method has the advantages that the operation and the maintenance are simple, high safety, practicability and reliability are achieved and the investment cost is low.
Description
Technical field
The invention belongs to industrial furnace technology field, particularly a kind of using method of coal gas heating furnace burner igniter.Major function, when playing furnace igniting for coal gas heating furnace at every turn, provides incendiary source, light a fire to burner.
Background technology
Current heating furnace is tending towards totally-enclosed, offers special lighting door no longer as before or large fire hole is lighted a fire on burner block side.Further, the operation of some industrial furnaces is quite frequent, and burner number is many again, and need arrange an ignition transformer before each burner, the facilities such as arc electrode, flame detector, automatic stop valve are put in igniting, electrode is placed on burner ejiction opening place, namely stops putting arc after lighting.And for continuous-type furnace once igniting, seldom can blowing out at short notice, but for a long time need not because of igniting sight glass, easily sticky dust, when waiting heating furnace igniting next time, because flame detector can't detect flame, igniting is put arc electrode and is ceaselessly put arc, cannot normal ignition; Sometimes, ignitor, for a long time under the high-temperature baking of inner flue gas of the stove, easily occurs damaging, and when heating furnace plays furnace igniting by the time, electrode cannot be put arc and produce electric spark.Therefore, cause heating furnace burner ignition system to configure high especially, but operation troubles rate is high, and utilization rate is low, construction investment and operation expense high.The present invention is directed to above-mentioned situation, invent a kind of novel coal gas heating furnace burner igniter, namely coal gas is got as incendiary source at the female pipe sample point place of every section, heating furnace coal gas, light a fire, easy to operate, reliable, especially to the heating furnace that some activity durations are long, furnace temperature is relatively high, more technical advantage of the present invention can be embodied.
Summary of the invention
The object of the present invention is to provide a kind of using method of coal gas heating furnace burner igniter, solve the configuration of heating furnace burner ignition system high especially, but the problem that operation troubles rate is high.Apparatus structure is simple, practical, significantly reduces the construction investment of heating furnace igniter, easy to operate, reliable, especially to the heating furnace that some activity durations are long, furnace temperature is relatively high, more can embody technical advantage of the present invention.
A kind of coal gas heating furnace burner igniter, female pipe 1 that gives gas before comprising burner mouth, exhaust stack 2, bleeding stop valve 3, probe tube 4, sampling stop valve 5, pipe cap 6, rubber hose 7, ignitron 8.
A using method for coal gas heating furnace burner igniter, concrete steps and parameter as follows:
1, during heating furnace blow-on igniting, the purging first carrying out coal gas system diffuses, and opens bleeding stop valve 3, after diffusing 20-30 minute, opens sampling stop valve 5 and pipe cap 6 by exhaust stack 2, carries out " outburst " test, detects gas piping remaining oxygen;
2, detect qualified after, connect rubber hose 7 and ignitron 8 at probe tube 4 end, be placed on the end of ignitron 8 with lighter;
3, while opening sampling stop valve 5, press lower lighter switch, form stable flare at ignitron 8 end, unclamp lighter and press button, then ignitron 8 is inserted the fire hole that burner carries, reach burner block ejiction opening, now, small guide vane opens air valve and the gas valve of burner body, the angular range opened is 10-15 °, point burner, then extracts ignitron 8 out, lights other adjacent burner successively;
4, after having put fire, pull down rubber hose 7 and ignitron 8, block probe tube 4 end with pipe cap 6, when preventing heating furnace from normally producing, sampling stop valve 5 fits badly, and causes coal gas to leak, occurs that gas poisoning event occurs;
5, the fire hole heat resistant glass on burner seals, and prevents flue gas from leaking and cold air enters in stove, affects the Atmosphere Control of heating furnace.
The invention has the advantages that, the heating furnace long concerning some activity durations, furnace temperature is relatively high, operation, maintenance are simply; Safe and practical, reliable; Cost of investment is low.
Accompanying drawing explanation
Fig. 1 is coal gas heating furnace burner igniter schematic diagram of the present invention.Wherein, give gas before burner mouth female pipe 1, exhaust stack 2, bleeding stop valve 3, probe tube 4, sampling stop valve 5, pipe cap 6, rubber hose 7, ignitron 8.
Detailed description of the invention
Embodiment 1
A using method for novel coal gas heating furnace burner igniter, it forms primarily of female pipe 1 that gives gas before burner mouth, exhaust stack 2, bleeding stop valve 3, probe tube 4, sampling stop valve 5, pipe cap 6, rubber hose 7, ignitron 8.When heating furnace blow-on is lighted a fire, the purging first carrying out coal gas system diffuses, open bleeding stop valve 3, after diffusing 20-30 minute by exhaust stack 2, open sampling stop valve 4 and pipe cap 6, carry out " outburst " test, detect gas piping remaining oxygen, after pass the test, rubber hose 7 and ignitron 8 is connected at probe tube 5 end, the end of ignitron 8 is placed on lighter, while opening sampling stop valve 4, press lower lighter switch, stable flare is formed at ignitron 8 end, unclamp lighter and press button, then ignitron 8 is inserted the fire hole that burner carries, reach burner block ejiction opening, now, small guide vane (angle is 10 degree) opens air valve and the gas valve of burner body, point burner, then ignitron 8 is extracted out, light other adjacent burner successively.After having put fire, pull down rubber hose 7 and ignitron 8, block probe tube 5 end with pipe cap 5, when preventing heating furnace from normally producing, sampling stop valve 4 fits badly, and causes coal gas to leak, occurs that gas poisoning event occurs.Fire hole heat resistant glass on burner seals, and prevents flue gas from leaking and cold air enters in stove, affects the control of heating furnace.
Give gas before mouth female pipe 1: be made up of steel plate pipe or seamless steel pipe, and material is straight carbon steel, for for conveying heating furnace burner combustion coal gas;
Exhaust stack 2: be made up of seamless steel pipe φ 57 × 3.5mm steel pipe, material is straight carbon steel, is arranged on female pipe end that the most before gives gas, purges for coal gas system during heating furnace furnace lifting and diffuses;
Bleeding stop valve 3: select DN15 stop valve, model is: J11F-16C, and material is general carbon, steel-casting, and each coal gas diffusion point of heating furnace arranges 2 bleeding stop valves, 2 valve spacing 0.2m;
Probe tube 4: be made up of welded pipe φ 21.3 × 2.8mm steel pipe, length is 0.5m, curved " L " in 90 ° type pipe in centre position, be arranged on 2 bleeding stop valve 3 centre positions, the mouth of pipe is vertically downward;
Sampling stop valve 5: select DN15 stop valve, model is: J11F-16C, and material is general carbon, steel-casting, is arranged on the pipeline of " L " type probe tube 4, for heating furnace purge diffuse do " outburst " test time, get gas, pass gas;
Pipe cap 6: the pipe cap of selection standard DN15, material is straight carbon steel, after burner igniting, blocks probe tube 5 end, prevents gas leak;
Rubber hose 7: select internal diameter Φ 20mm standard rubbers pipe, length L=3m, when heating furnace is lighted a fire, its one end is enclosed within probe tube 4 end, and the other end is enclosed within ignitron 8 end;
Ignitron 8; Be made up of welded pipe φ 21.3 × 2.8mm steel pipe, length is 1.5m, and when heating furnace is lighted a fire, one end is enclosed within rubber hose 7 end, and the other end is lighted after fire through lighter, puts in burner block spout, carries out burner igniting.
Claims (1)
1. a using method for coal gas heating furnace burner igniter, device gives gas before comprising burner mouth female pipe (1), exhaust stack (2), bleeding stop valve (3), probe tube (4), sampling stop valve (5), pipe cap (6), rubber hose (7), ignitron (8); It is characterized in that, concrete steps and parameter as follows:
1) during heating furnace blow-on igniting, the purging first carrying out coal gas system diffuses, open bleeding stop valve (3), after diffusing 20-30 minute by exhaust stack (2), open sampling stop valve (5) and pipe cap (6), carry out " outburst " test, detect gas piping remaining oxygen;
2) detect qualified after, connect rubber hose (7) and ignitron (8) at probe tube (4) end, be placed on the end of ignitron (8) with lighter;
3) while opening sampling stop valve (5), press lower lighter switch, form stable flare at ignitron (8) end, unclamp lighter and press button, then ignitron (8) is inserted the fire hole that burner carries, reach burner block ejiction opening, now, open air valve and the gas valve of burner body, the angular range opened is 10-15 °, point burner, then extracts ignitron (8) out, lights other adjacent burner successively;
4) after having put fire, pull down rubber hose (7) and ignitron (8), probe tube (4) end is blocked with pipe cap (6), when preventing heating furnace from normally producing, sampling stop valve (5) fits badly, cause coal gas to leak, occur that gas poisoning event occurs;
5) the fire hole heat resistant glass on burner seals, and prevents flue gas from leaking and cold air enters in stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510398893.4A CN105020742A (en) | 2015-07-08 | 2015-07-08 | Application method of burner ignition device for coal-gas fired heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510398893.4A CN105020742A (en) | 2015-07-08 | 2015-07-08 | Application method of burner ignition device for coal-gas fired heating furnace |
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| CN105020742A true CN105020742A (en) | 2015-11-04 |
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| CN201510398893.4A Pending CN105020742A (en) | 2015-07-08 | 2015-07-08 | Application method of burner ignition device for coal-gas fired heating furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143879A (en) * | 2017-06-18 | 2017-09-08 | 北京首钢国际工程技术有限公司 | A kind of coal gas heating furnace burner igniter and application method |
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| US3914092A (en) * | 1974-09-23 | 1975-10-21 | Johnson Service Co | Direct spark ignition system with sampling flame sensor |
| JPS5685639A (en) * | 1979-12-11 | 1981-07-11 | Horiba Ltd | Ignition device for flame light photometer |
| CN101280955A (en) * | 2008-05-15 | 2008-10-08 | 武汉一冶钢结构有限责任公司 | External-burning type hot-air stove heating heat preserving method |
| CN102789734A (en) * | 2012-05-29 | 2012-11-21 | 山西太钢不锈钢股份有限公司 | Sintering ignition furnace simulate operation method |
| CN202613497U (en) * | 2012-05-07 | 2012-12-19 | 福建三宝特钢有限公司 | Ignition device of heating furnace |
| CN104566366A (en) * | 2015-01-13 | 2015-04-29 | 山东钢铁股份有限公司 | Heating furnace and flame nozzle pipeline system thereof |
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2015
- 2015-07-08 CN CN201510398893.4A patent/CN105020742A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3914092A (en) * | 1974-09-23 | 1975-10-21 | Johnson Service Co | Direct spark ignition system with sampling flame sensor |
| JPS5685639A (en) * | 1979-12-11 | 1981-07-11 | Horiba Ltd | Ignition device for flame light photometer |
| CN101280955A (en) * | 2008-05-15 | 2008-10-08 | 武汉一冶钢结构有限责任公司 | External-burning type hot-air stove heating heat preserving method |
| CN202613497U (en) * | 2012-05-07 | 2012-12-19 | 福建三宝特钢有限公司 | Ignition device of heating furnace |
| CN102789734A (en) * | 2012-05-29 | 2012-11-21 | 山西太钢不锈钢股份有限公司 | Sintering ignition furnace simulate operation method |
| CN104566366A (en) * | 2015-01-13 | 2015-04-29 | 山东钢铁股份有限公司 | Heating furnace and flame nozzle pipeline system thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143879A (en) * | 2017-06-18 | 2017-09-08 | 北京首钢国际工程技术有限公司 | A kind of coal gas heating furnace burner igniter and application method |
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Application publication date: 20151104 |
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