CN104862445B - A kind of coal gas of converter automatic switchover igniter - Google Patents
A kind of coal gas of converter automatic switchover igniter Download PDFInfo
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- CN104862445B CN104862445B CN201510225455.8A CN201510225455A CN104862445B CN 104862445 B CN104862445 B CN 104862445B CN 201510225455 A CN201510225455 A CN 201510225455A CN 104862445 B CN104862445 B CN 104862445B
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Abstract
A kind of coal gas of converter automatic switchover igniter, belongs to coal gas of converter and diffuses equipment technical field, diffuse the automatic switchover of igniter for coal gas of converter.Its technical scheme is: install high-altitude ignition device on diffusing chimney top, below diffusing chimney top, internal flame transferring igniter is installed in 6 meters of regions, internal flame transferring igniter is made up of igniting primer, ignition tube, connection short tube, burning torch, ignition tube and igniting primer parallel upright, ignition tube is connected with igniting primer by connecting short tube, ignition tube upper end closed, ignition tube lower end feed channel general with rosy clouds is connected, burning torch is connected to the lower end of igniting primer, high-altitude ignition device and internal flame transferring igniter and is switched fast by switching control.The invention can ensure that converter emission coal gas can in time, reliably and securely be vented burning, thoroughly solve the problem that high-altitude ignition device is not easy to safeguard, stopped CO gas and be directly discharged into the environmental pollution that air causes, met environmental requirement.
Description
Technical field
The present invention relates to the switching equipment of a kind of coal gas of converter diffusing chimney medium-long range igniter, belong to coal gas of converter and diffuse equipment technical field.
Background technology
In metallurgy industry, converter steelmaking process can produce a large amount of carbon monoxide toxic gas, if being directly discharged into air, environment not only can cause severe contamination, but also waste the energy.The common practice of metallurgy industry is by RECOVERY OF CONVERTER GAS at present, but owing to the operational characteristic of converter smelting and coal-gas recovering technique are to features such as gas quality requirements, still have and do not meet the coal gas of converter of recovering condition in a large number and diffuse in atmospheric environment, this part coal gas is carried out ignition bleeding, the harm that will effectively prevent the pollution of the environment and to human body.
Under the conditions of dry dedusting technology, the form of diffusing that tradition is ripe is that high-altitude ignition diffuses, igniter is placed on diffusing chimney top, owing to the unsafe conditions such as flue gas and hyperthermia radiation are diffused on diffusing chimney top, when diffusing chimney igniting transposition breaks down, maintenance personal can not on-call maintenance online, coal gas of converter can only be directly discharged into air, cause the biggest pollution, be not suitable for current environmental requirement.
Accordingly, it would be desirable to invent the igniter that a kind of coal gas of converter automatically switches, when high-altitude ignition device breaks down, can switch rapidly, carry out converter and diffuse the igniting of flue gas.
Summary of the invention
The technical problem to be solved is to provide a kind of coal gas of converter automatic switchover igniter, this automatic switchover igniter is when high-altitude ignition device feature breaks down, high-altitude ignition device can be quickly switched in other igniter, prevent coal gas of converter from directly discharging, pollute environment.
The technical scheme solving above-mentioned technical problem is:
nullA kind of coal gas of converter automatic switchover igniter，It includes high-altitude ignition device，High-altitude ignition device is arranged on diffusing chimney top，High-altitude ignition device is connected with the mixed gas of gas chamber by mixed gas pipeline，It also add internal flame transferring igniter and switching control，Internal flame transferring igniter is arranged on region, 6 meters of below diffusing chimney top，Internal flame transferring igniter is by igniting primer、Ignition tube、Connect short tube、Burning torch forms，Ignition tube and igniting primer are the long tube of parallel upright，Ignition tube is connected with igniting primer by connecting short tube，Ignition tube upper end closed，Ignition tube lower end is connected with rosy clouds general gas (propylene) pipeline deriving from outer net rosy clouds general gas station，Burning torch is connected to the lower end of igniting primer，Mixed gas is installed in the mixed gas pipeline that high-altitude ignition device is connected with gas chamber and controls valve，In the general feed channel of rosy clouds that the ignition tube gas holder general with rosy clouds of internal flame transferring igniter is connected, rosy clouds Pu Qikongzhifamen is installed，Mixed gas controls valve、Rosy clouds Pu Qikongzhifamen is connected with switching control respectively with burning torch.
The automatic switchover igniter of above-mentioned coal gas of converter, the ignition tube of described internal flame transferring igniter, igniting primer and connect short tube and be heavy wall stainless steel tube, it is multiple for connecting short tube, and multiple connection short tubes are connected in parallel between ignition tube and igniting primer from top to bottom.
Above-mentioned coal gas of converter automatic switchover igniter, described switching control includes Context switches device and long-range switching device, manually instruction is installed on the switch board of Context switches device, there is fire instruction, drive Mixture Density Networks air valve button, close Mixture Density Networks air valve button, Kai Xiapu gas button, Guan Xia general air valve button, igniter button, burning torch button, drive Mixture Density Networks air valve button, close Mixture Density Networks air valve button, Kai Xiapu gas button, Guan Xia general air valve button, igniter button, burning torch button controls valve with mixed gas respectively, rosy clouds Pu Qikongzhifamen and the igniter of high-altitude ignition device, the burning torch of internal flame transferring igniter is connected, remotely switching device is connected with on-site control device.
The invention has the beneficial effects as follows:
High-altitude ignition device in the present invention is ripe technology, internal flame transferring igniter is arranged on 6 meters from flame combustion district region below, thoroughly solve the spark lever of high-altitude ignition device, firing cable often burns out, service life is short, be not easy to safeguard problem, this composite ignition device can ensure opening, dead ship condition, normal condition and the converter emission coal gas produced during accident condition can in time, reliably and securely be vented burning, and meets the environmental requirement such as heat radiation, noxious gas emission concentration.The present invention is successfully applied to internal flame transferring igniter in the automatic switchover igniter of coal gas of converter, high-altitude ignition and internal flame transferring ignition energy realized being switched fast in 30 seconds, converter is diffused flue gas and carries out ignition, stop CO gas and be directly discharged into the environmental pollution that air causes, be made that contribution for environmental protection.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Figure mark as follows: burner body 1, high-altitude ignition burner 2, high-altitude Gas Pipe 3, high-altitude are ignited bar 4, thermocouple 5, igniter 6, ignition tube 7, igniting primer 8, connection short tube 9, burning torch 10, diffusing chimney 11, gas chamber 12, the general gas holder of rosy clouds 13.
Detailed description of the invention
The present invention includes high-altitude ignition device, internal flame transferring igniter and switching control.
Showing in figure, high-altitude ignition device is ripe prior art, diffuses igniting for dry-dedusting system.The model of the high-altitude ignition device that one embodiment of the present of invention uses is FFC-A4 type.
High-altitude ignition device is made up of ignite bar 4, thermocouple 5, igniter 6 of burner body 1, high-altitude ignition burner 2, high-altitude Gas Pipe 3, high-altitude.High-altitude ignition device is arranged on the top of diffusing chimney 11.The mixed gas deriving from gas chamber 12 is transferred to start-up burner 2 region through high-altitude Gas Pipe 3, igniter 6 is high-tension electricity igniting form, electric spark forms altar lamp by ignite mixed gas in bar 4 firing point ignition combustor 2 of high-altitude, when diffusing chimney 11 gives off the flue gas with CO, altar lamp ignite flue gas.
Showing in figure, internal flame transferring igniter is arranged on region, 6 meters of below diffusing chimney 11 top, and internal flame transferring igniter is made up of igniting primer 8, ignition tube 7, connection short tube 9, burning torch 10.Ignition tube 7, igniting primer 8 and connection short tube 9 are heavy wall stainless steel tube, ignition tube 7 and igniting primer 8 are the long tube of parallel upright, ignition tube 7 is connected with igniting primer 8 by connecting short tube 9, it is multiple for connecting short tube 9, and multiple connection short tubes 9 are connected in parallel between ignition tube 7 and igniting primer 8 from top to bottom.Ignition tube 7 upper end closed, ignition tube 7 lower end is connected with rosy clouds general gas (propylene) pipeline deriving from outer net rosy clouds general gas station 13, and burning torch 10 is connected to the lower end of igniting primer 8.
The general gas of rosy clouds is transferred to connect short tube 9 by ignition tube 7, burning torch 10 is connected with igniting primer 8, until the general gas of rosy clouds with air after mixing the several seconds in igniting primer 8, it is then turned on burning torch 10, the general gas of rosy clouds connecting short tube 9 mouthfuls below igniting primer 8 lighted by burning torch 10, and after the rosy clouds general gas explosion combustion of lower section, gradually the general gas of rosy clouds connecting short tube 9 mouthfuls above igniting primer 8 is lighted in relay, and the flame of detonation is passed flame to igniting primer top by igniting primer 8, light the flue gas in altar lamp or chimney, be finally completed ignition process.
The mixed gas pipeline that the high-altitude Gas Pipe 3 of the high-altitude ignition device of the present invention is connected with gas chamber 12 is provided with mixed gas and controls valve, being provided with rosy clouds Pu Qikongzhifamen in the general feed channel of rosy clouds that ignition tube 7 gas holder general with rosy clouds 13 of internal flame transferring igniter is connected, mixed gas controls valve, rosy clouds Pu Qikongzhifamen is connected with switching control respectively with burning torch 10.
The switching control of the present invention includes Context switches device and long-range switching device.Context switches device is switch board device, switch board is provided with manually indicate, have fire instruction, open Mixture Density Networks air valve button, close Mixture Density Networks air valve button, Kai Xiapu gas button, Guan Xia general air valve button, igniter button, burning torch button.
Drive Mixture Density Networks air valve button, pass Mixture Density Networks air valve button controls valve with the mixed gas between gas chamber 12 with high-altitude Gas Pipe 3 and is connected, when using high-altitude ignition device to light a fire, the mixed gas installed in the mixed gas pipeline that high-altitude Gas Pipe 3 is connected with gas chamber 12 by opening Mixture Density Networks air valve button to open controls valve；When high-altitude ignition device breaks down, cut off mixed gas control valve by closing Mixture Density Networks air valve button.
Kai Xiapu gas button, rosy clouds Pu Qikongzhifamen between Guan Xia general air valve button gas holder general with rosy clouds 13 and ignition tube 7 are connected.When needs are switched to internal flame transferring ignition device, open the rosy clouds Pu Qikongzhifamen between the general gas holder of rosy clouds 13 and ignition tube 7 by Kai Xiapu gas button；When being switched to high-altitude ignition device, close rosy clouds Pu Qikongzhifamen by closing rosy clouds general air valve button.
Igniter button is connected with the igniter 6 of high-altitude ignition device, and burning torch button is connected with the burning torch 10 of internal flame transferring igniter, is respectively used to igniting.Instruction of catching fire couples with the thermocouple 5 of high-altitude ignition device, can detect igniting the most successful.Manually instruction display switch mode is at the scene under switching state or in long-range switching state.
Remotely switching device is connected with on-site control device.
Following three kinds of control models can be realized by on-site control device and remote control:
Pattern 1: fight to accompany with mixed gas point and burn
First opening Mixture Density Networks air valve, Mixture Density Networks air valve to be opened, after 5 ~ 10 seconds, starts initial igniter 6, closing igniter 6 after 20 ~ 40 seconds meters, flame detector system sets up flame timing after 60 seconds, fire defector judges whether to light a fire successfully, if loss of ignition, close Mixture Density Networks air valve and again light a fire.
Pattern 2: light a fire with the general gas of rosy clouds, with mixed gas, companion burns
First open the general air valve of rosy clouds, after time delay 5 ~ 10 seconds, opening point firelock 10, closing burning torch 10 after second meter, flame detector system sets up flame timing after 60 seconds, fire defector judges whether to light a fire successfully, if lighting a fire successfully, open Mixture Density Networks air valve, if fire defector judges there is fire after time delay 120 seconds, close the general gas of rosy clouds, if without fire, close the general gas of rosy clouds and mixed gas valve is lighted a fire again.If latter 60 seconds fire defector of opening point firelock 10 judge loss of ignition, directly close the general gas of rosy clouds, carry out ignition operation again.
Pattern 3: fight to accompany with rosy clouds general gas point and burn
First opening the general air valve of rosy clouds, the general air valve of rosy clouds to be opened, after 5 ~ 10 seconds, starts starting ignition rifle 10, closing burning torch 10 after 20 ~ 40 seconds meters, flame detector system sets up flame timing after 60 seconds, fire defector judges whether to light a fire successfully, if loss of ignition, close the general air valve of rosy clouds and again light a fire.
Claims (3)
- null1. a coal gas of converter automatic switchover igniter，It includes high-altitude ignition device，High-altitude ignition device is arranged on diffusing chimney (11) top，High-altitude ignition device is connected by the mixed gas of mixed gas pipeline with gas chamber (12)，It is characterized in that: it also add internal flame transferring igniter and switching control，Internal flame transferring igniter is arranged on region, 6 meters of below diffusing chimney (11) top，Internal flame transferring igniter is by igniting primer (8)、Ignition tube (7)、Connect short tube (9)、Burning torch (10) forms，Ignition tube (7) and igniting primer (8) are the long tube of parallel upright，Ignition tube (7) is connected with igniting primer (8) by connecting short tube (9)，Ignition tube (7) upper end closed，Ignition tube (7) lower end is connected with the general feed channel of rosy clouds deriving from outer net rosy clouds general gas station (13)，Burning torch (10) is connected to the lower end of igniting primer (8)，Mixed gas is installed in the mixed gas pipeline that high-altitude ignition device is connected with gas chamber (12) and controls valve，In the general feed channel of rosy clouds that the ignition tube (7) gas holder general with rosy clouds (13) of internal flame transferring igniter is connected, rosy clouds Pu Qikongzhifamen is installed，Mixed gas controls valve、Rosy clouds Pu Qikongzhifamen、Igniter (6) is connected with switching control respectively with burning torch (10).
- Coal gas of converter automatic switchover igniter the most according to claim 1, it is characterized in that: the ignition tube (7) of described internal flame transferring igniter, igniting primer (8) and connection short tube (9) are heavy wall stainless steel tube, it is multiple for connecting short tube (9), and multiple connection short tubes (9) are connected in parallel between ignition tube (7) and igniting primer (8) from top to bottom.
- The automatic switchover igniter of coal gas of converter the most according to claim 1 and 2, it is characterized in that: described switching control includes Context switches device and long-range switching device, manually instruction is installed on the switch board of Context switches device, there is fire instruction, drive Mixture Density Networks air valve button, close Mixture Density Networks air valve button, Kai Xiapu gas button, Guan Xia general air valve button, igniter button, burning torch button, drive Mixture Density Networks air valve button, close Mixture Density Networks air valve button, Kai Xiapu gas button, Guan Xia general air valve button, igniter button, burning torch button controls valve with mixed gas respectively, the igniter (6) of rosy clouds Pu Qikongzhifamen and high-altitude ignition device, the burning torch (10) of internal flame transferring igniter is connected, remotely switching device is connected with on-site control device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510225455.8A CN104862445B (en) | 2015-05-06 | 2015-05-06 | A kind of coal gas of converter automatic switchover igniter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510225455.8A CN104862445B (en) | 2015-05-06 | 2015-05-06 | A kind of coal gas of converter automatic switchover igniter |
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| CN104862445A CN104862445A (en) | 2015-08-26 |
| CN104862445B true CN104862445B (en) | 2016-09-07 |
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| CN114484464A (en) * | 2021-12-24 | 2022-05-13 | 张家港宏昌钢板有限公司 | Ignition safety switching device for gas diffusion tower and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SU616291A1 (en) * | 1973-03-13 | 1978-07-25 | Карагандинский металлургический комбинат | Device for finish burning of converter gases |
| CN201531883U (en) * | 2009-10-26 | 2010-07-21 | 张建联 | Full-automatic integrated gas burner with low calorific value |
| JP2013053360A (en) * | 2011-09-06 | 2013-03-21 | Jfe Steel Corp | Method of treating converter waste gas |
| CN203411563U (en) * | 2013-07-25 | 2014-01-29 | 苏州宝联重工股份有限公司 | Novel converter gas diffusing ignition gun device |
| CN203642174U (en) * | 2013-12-31 | 2014-06-11 | 北京京诚凤凰工业炉工程技术有限公司 | Self-preheating burner nozzle for low-heating-value converter gas |
| CN203741362U (en) * | 2014-02-26 | 2014-07-30 | 河北钢铁股份有限公司邯郸分公司 | Converter gas emission device |
| CN204625671U (en) * | 2015-05-06 | 2015-09-09 | 唐山钢铁集团有限责任公司 | A kind of coal gas of converter automatic switchover portfire |
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