CN110906363A - Automatic ignition device and method for combustible gas diffusion pipeline - Google Patents
Automatic ignition device and method for combustible gas diffusion pipeline Download PDFInfo
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- CN110906363A CN110906363A CN201911138273.1A CN201911138273A CN110906363A CN 110906363 A CN110906363 A CN 110906363A CN 201911138273 A CN201911138273 A CN 201911138273A CN 110906363 A CN110906363 A CN 110906363A
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- 238000009792 diffusion process Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000007789 gas Substances 0.000 claims abstract description 117
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 67
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 31
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 16
- 239000001301 oxygen Substances 0.000 claims description 16
- 229910052760 oxygen Inorganic materials 0.000 claims description 16
- 238000010926 purge Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 238000009529 body temperature measurement Methods 0.000 claims description 5
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 2
- 235000019504 cigarettes Nutrition 0.000 claims 1
- 239000003034 coal gas Substances 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- 206010017740 Gas poisoning Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q21/00—Devices for effecting ignition from a remote location
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q3/00—Igniters using electrically-produced sparks
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Combustion (AREA)
Abstract
The invention discloses an automatic ignition device and method for a combustible gas diffusion pipeline, and the automatic ignition device comprises a diffusion chimney, wherein a liquefied gas pipeline parallel to the diffusion chimney is arranged on the side edge of the diffusion chimney, a gas pipe is arranged below the diffusion chimney and is communicated with the interior of the diffusion chimney, a nitrogen pipe is arranged above the gas pipe on the diffusion chimney, a gas switch valve is arranged on the gas pipe, a nitrogen switch valve is arranged on the nitrogen pipe, an ignition gun and a temperature measuring rod are arranged at the top end of the diffusion chimney, the ignition gun is connected with the liquefied gas pipeline, an ignition gun controller is arranged between the ignition gun and the liquefied gas pipeline, a temperature sensor is arranged at the lower end of the temperature measuring rod, the ignition gun controller is connected with a control cabinet arranged outside through an ignition cable, and the temperature sensor is connected with the control cabinet through a sensor lead. The device can realize remote control ignition or remote control flameout, greatly reduces the labor intensity of field workers, and has extremely high reliability and safety.
Description
Technical Field
The invention relates to the field of torches, in particular to an automatic ignition device and method for a combustible gas diffusion pipeline.
Background
The main component of the closed submerged arc furnace tail gas is CO, and the closed submerged arc furnace tail gas is also a clean and efficient energy source, so that enterprises collect and recycle the closed furnace tail gas through purification treatment. However, in the tail gas collecting process, the tail gas cannot be collected due to equipment failure and production reasons, and at the moment, the tail gas needs to be emptied and diffused. Because the main component of the diffused tail gas is CO, the hidden danger of gas poisoning of personnel and even the occurrence of cluster death and group injury accidents are easily caused if the tail gas is not combusted. The ignition and diffusion tail gas of each enterprise is different, and the ignition tail gas of fireworks, high-energy electronic automatic ignition, high-pressure oil injection ignition and the like exist, but different ignition modes have advantages and disadvantages, and the equipment cost difference is large.
The existing ignition mode of the current company is mainly ignited by the most convenient firework spark. Although the ignition mode is convenient and backward, the ignition success rate is low, the ignition cost is high, the safety factor is low, and the ignition cannot be successful when the environment and the tail gas components cannot reach the conditions. In order to reduce the success rate of diffusion ignition, reduce the cost and ensure the safety. An electronic ignition mode which is convenient to operate and low in cost is adopted.
Disclosure of Invention
The invention solves the problems that the ignition mode in the prior art is mainly ignited by the most convenient firework spark, the ignition mode is convenient and backward, the safety coefficient is low, and the ignition cannot be successful when the environment and tail gas components cannot reach the conditions, and provides the automatic ignition device and the method for the combustible gas diffusion pipeline.
The invention is realized by the following technical scheme:
an automatic ignition device and method for a combustible gas diffusing pipeline comprises a diffusing chimney, a liquefied gas pipeline parallel to the diffusing chimney is arranged on the side edge of the diffusing chimney, a gas pipe is arranged below the diffusing chimney and communicated with the inside of the diffusing chimney, a nitrogen pipe is arranged above the gas pipe on the diffusing chimney, a gas switch valve is arranged on the gas pipe, a nitrogen switch valve is arranged on the nitrogen pipe, an ignition gun and a temperature measuring rod are arranged at the top end of the diffusing chimney, the ignition gun is fixed by an ignition gun fixing sleeve, the temperature measuring rod is fixed by a temperature measuring rod fixing sleeve, the ignition gun fixing sleeve and the temperature measuring rod fixing sleeve are fixed on the diffusing chimney by a fixing frame, the ignition gun is connected with the liquefied gas pipeline, and an ignition gun is arranged between the ignition gun and the liquefied gas pipeline, the lower extreme of temperature measurement pole is provided with temperature sensor, the control cabinet that the light gun controller set up with the outside is connected by the ignition cable, temperature sensor is connected by the sensor wire with the control cabinet.
At present, the existing ignition mode of a company is mainly ignited by the most convenient firework spark. Although the ignition mode is convenient and backward, the ignition success rate is low, the ignition cost is high, the safety factor is low, and the ignition cannot be successful when the environment and the tail gas components cannot reach the conditions. The application provides an automatic ignition device and method for a combustible gas emission pipeline, which comprises an emission chimney, a liquefied gas pipeline parallel to the emission chimney is arranged on the side edge of the emission chimney, a gas pipe is arranged below the emission chimney and communicated with the interior of the emission chimney, a nitrogen pipe is arranged on the emission chimney above the gas pipe, a gas switch valve is arranged on the gas pipe, a nitrogen switch valve is arranged on the nitrogen pipe, an ignition gun and a temperature measuring rod are arranged at the top end of the emission chimney, the ignition gun is fixed by an ignition gun fixing sleeve, the temperature measuring rod is fixed by a temperature measuring rod fixing sleeve, the ignition gun fixing sleeve and the temperature measuring rod fixing sleeve are fixed on the emission chimney by a fixing frame, the ignition gun is connected with the liquefied gas pipeline, an ignition gun controller is arranged between the ignition gun and the pipeline, a temperature sensor is arranged at the lower end of the temperature measuring rod, and the ignition gun controller is connected with an external control cabinet by an ignition cable, the temperature sensor is connected with the control cabinet through a sensor wire. In practical use, the control cabinet uses nitrogen to blow the diffusion pipeline by opening the nitrogen valve and the diffusion valve so as to prevent explosion after air and coal gas in the pipeline are mixed, then the nitrogen valve is closed, the coal gas is diffused after the nitrogen valve is closed, and then remote ignition is carried out. The control cabinet can realize remote ignition and local operation box ignition. The PLC controller, the field instrument and the instrument form an ignition system, PLC signals transmit instructions, and control personnel perform processes of pipeline nitrogen purging, ignition stopping, nitrogen back flushing and the like step by sending the instructions. A chain control ignition system may also be implemented. The model of the high-energy igniter is GDQ-VI, the length of the high-voltage ignition cable is about 15 meters, and the ignition gun: phi 18mm L is 1.5m, the control cabinet is remotely operated, the length of the temperature sensor is 2000mm, ignition parameters are input to 220V, and 2500V is output. The top end of the diffusing flue is provided with a high-energy igniter, and the main torch is ignited by an ignition gun arranged at the top end of the torch. Before the combustible gas is diffused, opening a nitrogen valve and a diffusing valve, blowing the diffusing pipeline by using nitrogen to prevent the explosion of the mixed air and gas in the pipeline, then closing the nitrogen valve, diffusing the gas after the nitrogen valve is closed, and then remotely igniting.
Furthermore, the automatic ignition device and method for the combustible gas diffusion pipeline are characterized in that a plurality of oxygen content detectors are not arranged in the diffusion chimney at different heights.
Further, the combustible gas diffusion pipeline automatic ignition device and the method are characterized in that the liquefied gas pipeline is composed of pipelines with the diameter DN25, the liquefied gas pipeline at the top end of the diffusion chimney is branched into two DN50 ignition ports, two sets of ignition guns are arranged and are respectively installed on the two DN50 ignition ports, and each ignition gun is an electronic ignition needle.
Further, the lower part of the liquefied gas pipeline is provided with a liquefied gas interface which can be quickly disassembled and assembled, the liquefied gas interface can be connected with a portable liquefied gas tank, and the liquefied gas pipeline is connected to DN25 on site when the device is used. When in diffusion ignition, liquefied gas is connected into a DN25 pipeline and is operated by related personnel to carry out ignition. When the electric spark emitted by the ignition needle at the ignition port ignites the liquefied gas, the small spark ignited by the liquefied gas ignites the diffused tail gas.
Further, an automatic ignition device and method for a combustible gas diffusion pipeline are provided, wherein ignition parameters of an ignition gun are as follows: 220V voltage is input to the ignition gun controller through an ignition cable, and the ignition gun controller outputs 2500V voltage so as to ignite the ignition gun. Compared with fireworks, the safety coefficient of the tail gas discharged by electronic ignition is higher, the ignition cost is lower, and the ignition success rate is higher. The influence on ignition is small when the weather condition is severe.
Further, the length of the temperature measuring rod is 2000mm, and the temperature sensor can transmit the temperature measured by the temperature measuring rod to the control cabinet.
Further, an automatic ignition device and method for a combustible gas diffusion pipeline are provided, wherein the method comprises the following steps: before the combustible gas is diffused, firstly detecting the oxygen content in the diffusing chimney through an oxygen content detector in the diffusing chimney, when the oxygen content exceeds the standard, opening a nitrogen switch valve to start purging and replacing in the diffusing chimney, and closing the nitrogen switch valve until the oxygen content index is qualified; then connect the liquefied gas tank on the liquefied gas pipeline, for carrying liquefied gas in the pipeline, ground operating personnel starts the ignition through the ignition start button in the switch board, in this process, the ignition status lamp is bright, temperature sensor begins to detect the temperature signal and send the signal into the switch board, if the temperature is not detected within 30 seconds, show the ignition failure, ignite again after interval 1 minute, until temperature sensing detects the temperature value, explain that the ignition is successful, when finishing diffusing, close the coal gas ooff valve, open the nitrogen gas ooff valve simultaneously, purge the pipeline, until flame goes out, temperature sensor detects the temperature and drops to the room temperature.
In summary, the following beneficial effects of the invention are:
1. the automatic ignition device and the method for the combustible gas diffusion pipeline can effectively improve the safety of the prior torch ignition, realize remote operation in the whole process, timely and accurately judge whether the top of the diffusion chimney ignites the diffused smoke, and avoid explosion accidents caused by the over-standard oxygen content in the diffusion chimney by purging before ignition and purging again after ignition.
2. The automatic ignition device and the method for the combustible gas diffusion pipeline are in stable operation for a long time, once the diffused gas needs to be ignited, remote control ignition or remote control flameout can be immediately realized, the labor intensity of field inspectors is greatly reduced, and the working efficiency is improved. Has extremely high reliability and safety. The automatic ignition system operates stably all the time after being put into operation, and a good effect is achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic structural diagram of the ignition control device of the present invention.
Reference numbers and corresponding part names in the drawings:
1-a diffusing chimney, 2-a liquefied gas pipeline, 3-a liquefied gas interface, 4-a gas pipe, 5-an ignition gun, 6-a temperature measuring rod, 7-an ignition gun fixing sleeve, 8-an ignition gun controller, 9-an ignition cable, 10-a control cabinet, 11-a temperature measuring rod fixing sleeve, 12-a temperature sensor, 13-a sensor lead, 14-a gas switch valve, 15-a nitrogen pipe and 16-a nitrogen switch valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Examples
As shown in fig. 1-2, an automatic ignition device and method for a combustible gas emission pipeline comprises an emission chimney 1, and is characterized in that a liquefied gas pipeline 2 parallel to the emission chimney 1 is arranged on the side edge of the emission chimney 1, a gas pipe 4 is arranged below the emission chimney 1, the gas pipe 4 is communicated with the inside of the emission chimney 1, a nitrogen pipe 15 is arranged above the gas pipe 4 on the emission chimney 1, a gas switch valve 14 is arranged on the gas pipe 4, a nitrogen switch valve 16 is arranged on the nitrogen pipe 15, an ignition gun 5 and a temperature measuring rod 6 are arranged at the top end of the emission chimney 1, the ignition gun 5 is fixed by an ignition gun fixing sleeve 7, the temperature measuring rod 6 is fixed by a temperature measuring rod fixing sleeve 11, the ignition gun fixing sleeve 7 and the temperature measuring rod fixing sleeve 11 are fixed on the emission chimney 1 by a fixing frame, the ignition gun 5 is connected with the liquefied gas pipeline 2, an ignition gun controller 8 is arranged between the ignition gun 5 and the liquefied gas pipeline 2, a temperature sensor 12 is arranged at the lower end of the temperature measuring rod 6, the ignition gun controller 8 is connected with a control cabinet 10 arranged outside through an ignition cable 9, the temperature sensor 12 is connected with the control cabinet 10 through a sensor lead 13, a plurality of oxygen content detectors are not arranged in the diffusion chimney 1 at different heights, the liquefied gas pipeline 2 is composed of pipelines with the diameter DN25, the liquefied gas pipeline 2 at the top end of the diffusion chimney 1 is branched into two ignition ports of DN50, the ignition guns 7 are provided with two sets and are respectively arranged on the two ignition ports of DN50, the ignition guns 7 are electronic ignition needles, the liquefied gas pipeline 2 is provided with a liquefied gas interface 3 capable of being quickly disassembled and assembled, and disassembled, the liquefied gas interface 3 can be connected with a portable liquefied gas tank, when the liquefied gas pipeline 2 is connected to DN25 on site in use, the ignition parameters of the ignition gun 5 are as follows: 220V voltage is input to the ignition gun controller 8 through the ignition cable 9, the ignition gun controller 8 outputs 2500V voltage, so that the ignition gun 5 is ignited, the length of the temperature measuring rod 6 is 2000mm, the temperature sensor 12 can transmit the temperature measured by the temperature measuring rod 6 to the control cabinet 10, and the method comprises the following steps: before the combustible gas is diffused, firstly detecting the oxygen content in the diffusing chimney 1 through an oxygen content detector in the diffusing chimney 1, when the oxygen content exceeds the standard, opening a nitrogen switch valve 16 to start purging and replacing in the diffusing chimney 1, and closing the nitrogen switch valve 16 until the oxygen content index is qualified; then connect the liquefied gas tank on the liquefied gas pipeline 2, for the pipeline internal transportation liquefied gas, ground operating personnel start the ignition through the ignition start button in the switch board 10, in this process, the ignition status lamp lights, the temperature sensor 12 begins to detect the temperature signal and send the signal into the switch board 10, if the temperature change is not detected within 30 seconds, indicate the ignition failure, ignite again after interval 1 minute, until the temperature sensor 10 detects the temperature begins to rise, explain that the ignition is successful, when the diffusion is finished, close the gas switch valve 14, open the nitrogen switch valve 16 at the same time, sweep the diffusion chimney 1, until the flame extinguishes, the temperature sensor 12 detects the temperature and drops to the room temperature.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. The utility model provides a combustible gas diffuses pipeline automatic ignition, is including diffusing chimney (1), its characterized in that, be provided with on the side of diffusing chimney (1) liquefied gas pipeline (2) rather than parallel, the below of diffusing chimney (1) is provided with gas pipe (4), gas pipe (4) communicate with each other with the inside of diffusing chimney (1), it is provided with nitrogen gas pipe (15) in the top of gas pipe (4) on chimney (1) to diffuse, be provided with gas ooff valve (14) on gas pipe (4), be provided with nitrogen gas ooff valve (16) on nitrogen gas pipe (15), the top of diffusing chimney (1) is provided with burning torch (5) and temperature measurement pole (6), burning torch (5) are fixed by burning torch fixed sleeve pipe (7), temperature measurement pole (6) are fixed by temperature measurement pole fixed sleeve pipe (11), burning torch fixed sleeve pipe (7) and temperature measurement pole fixed sleeve pipe (11) are fixed by the mount and are being diffused cigarette On the chimney (1), the burning torch (5) is connected with the liquefied gas pipeline (2), a burning torch controller (8) is arranged between the burning torch (5) and the liquefied gas pipeline (2), a temperature sensor (12) is arranged at the lower end of the temperature measuring rod (6), the burning torch controller (8) is connected with a control cabinet (10) arranged outside through a burning cable (9), and the temperature sensor (12) is connected with the control cabinet (10) through a sensor lead (13).
2. An automatic ignition device for a combustible gas emission pipeline according to claim 1, characterized in that a plurality of oxygen content detectors are not arranged at different heights in the emission chimney (1).
3. The automatic ignition device of a combustible gas emission pipeline according to claim 1, characterized in that the liquefied gas pipeline (2) is composed of a pipeline with the diameter DN25, the liquefied gas pipeline (2) at the top end of the emission chimney (1) is branched into two ignition ports of DN50, the ignition guns (7) are provided with two sets and are respectively arranged on the two ignition ports of DN50, and the ignition guns (7) are electronic ignition needles.
4. The automatic ignition device of a combustible gas diffusion pipeline according to claim 1, characterized in that the liquefied gas pipeline (2) is provided with a quick-detachable liquefied gas interface (3) at the lower part, the liquefied gas interface (3) can be connected with a portable liquefied gas tank, and is connected to the liquefied gas pipeline (2) of DN25 at the site in use.
5. The automatic ignition device of a combustible gas emission pipeline according to claim 1, characterized in that the ignition parameters of the ignition gun (5) are as follows: 220V voltage is input to the ignition gun controller (8) through an ignition cable (9), and 2500V voltage is output by the ignition gun controller (8), so that the ignition gun (5) is ignited.
6. The automatic ignition device of a combustible gas emission pipeline according to claim 1, characterized in that the length of the temperature measuring rod (6) is 2000mm, and the temperature sensor (12) can transmit the temperature measured by the temperature measuring rod (6) to the control cabinet (10).
7. The automatic ignition method for the combustible gas diffusion pipeline according to claim 1, is characterized in that the method comprises the following steps: before the combustible gas is diffused, firstly detecting the oxygen content in the diffusing chimney (1) through an oxygen content detector in the diffusing chimney (1), when the oxygen content exceeds the standard, opening a nitrogen switch valve (16) to start purging and replacing in the diffusing chimney (1), and closing the nitrogen switch valve (16) until the oxygen content index is qualified; then connect the liquefied gas tank on the liquefied gas pipeline (2), for the pipeline internal transportation liquefied gas, ground operating personnel start the ignition through the ignition start button in the switch board (10), in this process, the ignition status lamp lights, temperature sensor (12) begins to detect the temperature signal and send the signal into the switch board (10), if the temperature change is not detected within 30 seconds, show that the ignition fails, ignite again after interval 1 minute, until temperature sensor (10) detects the temperature begins to rise, explain that the ignition succeeds, when the diffusion is finished, close gas ooff valve (14), open nitrogen gas ooff valve (16) simultaneously, blow and diffuse chimney (1), until the flame extinguishes, temperature sensor (12) detects the temperature and drops to the room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911138273.1A CN110906363A (en) | 2019-11-20 | 2019-11-20 | Automatic ignition device and method for combustible gas diffusion pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911138273.1A CN110906363A (en) | 2019-11-20 | 2019-11-20 | Automatic ignition device and method for combustible gas diffusion pipeline |
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| Publication Number | Publication Date |
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| CN110906363A true CN110906363A (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911138273.1A Pending CN110906363A (en) | 2019-11-20 | 2019-11-20 | Automatic ignition device and method for combustible gas diffusion pipeline |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2644911Y (en) * | 2003-08-13 | 2004-09-29 | 赵升智 | Coal gas remote ignition device for heat accumulation radiant tube combustion machine |
| KR20130138507A (en) * | 2012-06-11 | 2013-12-19 | 주식회사 포스코 | Ignition apparatus for exhaust gas in cokes oven |
| CN106319142A (en) * | 2015-06-26 | 2017-01-11 | 鞍钢股份有限公司 | Converter gas recycling and diffusing control device and method |
| CN107327855A (en) * | 2017-07-26 | 2017-11-07 | 柳州钢铁股份有限公司 | Coal oven dithio-gas is diffused and igniter |
| CN207907282U (en) * | 2018-03-01 | 2018-09-25 | 唐山国丰钢铁有限公司 | A kind of coal gas of converter diffuses automatic ignition control system |
| CN110345508A (en) * | 2019-07-15 | 2019-10-18 | 中国科学技术大学 | A kind of oil gas igniter |
| CN211176889U (en) * | 2019-11-20 | 2020-08-04 | 宁夏晟晏实业集团能源循环经济有限公司 | Automatic ignition device for combustible gas diffusion pipeline |
-
2019
- 2019-11-20 CN CN201911138273.1A patent/CN110906363A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2644911Y (en) * | 2003-08-13 | 2004-09-29 | 赵升智 | Coal gas remote ignition device for heat accumulation radiant tube combustion machine |
| KR20130138507A (en) * | 2012-06-11 | 2013-12-19 | 주식회사 포스코 | Ignition apparatus for exhaust gas in cokes oven |
| CN106319142A (en) * | 2015-06-26 | 2017-01-11 | 鞍钢股份有限公司 | Converter gas recycling and diffusing control device and method |
| CN107327855A (en) * | 2017-07-26 | 2017-11-07 | 柳州钢铁股份有限公司 | Coal oven dithio-gas is diffused and igniter |
| CN207907282U (en) * | 2018-03-01 | 2018-09-25 | 唐山国丰钢铁有限公司 | A kind of coal gas of converter diffuses automatic ignition control system |
| CN110345508A (en) * | 2019-07-15 | 2019-10-18 | 中国科学技术大学 | A kind of oil gas igniter |
| CN211176889U (en) * | 2019-11-20 | 2020-08-04 | 宁夏晟晏实业集团能源循环经济有限公司 | Automatic ignition device for combustible gas diffusion pipeline |
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