CN212178929U - Fast ignition device of afterburning furnace - Google Patents
Fast ignition device of afterburning furnace Download PDFInfo
- Publication number
- CN212178929U CN212178929U CN201922106132.3U CN201922106132U CN212178929U CN 212178929 U CN212178929 U CN 212178929U CN 201922106132 U CN201922106132 U CN 201922106132U CN 212178929 U CN212178929 U CN 212178929U
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- CN
- China
- Prior art keywords
- valve
- liquefied gas
- combustor
- gas pipe
- cutting
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- 238000005520 cutting process Methods 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 3
- 230000000740 bleeding effect Effects 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 239000007789 gas Substances 0.000 abstract description 37
- 239000003034 coal gas Substances 0.000 abstract description 10
- 238000005245 sintering Methods 0.000 abstract description 6
- 239000002918 waste heat Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 238000007664 blowing Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000000571 coke Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Combustion Of Fluid Fuel (AREA)
Abstract
The utility model relates to a afterburning stove quick ignition, including afterburning stove body, liquefied gas jar and combustor, the combustor is installed afterburning stove body one side bottom to its bottom is connected with the some firearm in the installation afterburning stove body outside, combustor bottom one side is equipped with the air inlet, and this air inlet is located some firearm upper end, and through the liquefied gas pipe with liquefied gas jar is connected, liquefied gas pipe establishes hand valve, relief pressure valve, pneumatic fast valve one, diffuse valve one and pneumatic fast valve two of cutting from liquefied gas tank end to combustor end in proper order, the utility model discloses simple structure can ignite in good time according to coal gas and sintering production situation, improves waste heat generating set operating stability and generated energy, reduces coal gas and diffuses.
Description
Technical Field
The utility model relates to a fast ignition device of a afterburning furnace.
Background
The metallurgical enterprises have the residual heat utilization of coal gas, flue gas and the like, and the sintering residual heat boiler and the blast furnace gas afterburning system can fully integrate the utilization efficiency of sintering flue gas and coal gas. Because the sintering flue gas fluctuates and the coal gas is also discontinuously diffused, the after-burning system needs to be frequently put in and out, the original ignition system adopts coke oven gas, the pipeline is long, the maintenance amount is large, the ignition system is complicated, the detection procedures are more, the in-time starting cannot be realized, the use of a blast furnace is limited, the after-burning furnace and the sintering flue gas cannot be effectively connected, the invention is modified aiming at the condition, and the novel ignition system is researched.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model provides a afterburning stove quick ignition can ignite in good time according to coal gas and sintering production situation, improves waste heat generating set operating stability and generated energy, reduces coal gas and diffuses.
The utility model provides a technical scheme of above technical problem: the utility model provides a afterburning stove quick ignition, includes afterburning stove body, liquefied gas jar and combustor, the combustor is installed afterburning stove body one side bottom to its bottom is connected with the some firearm of installation afterburning stove body outside, combustor bottom one side is equipped with the air inlet, and this air inlet is located some firearm upper end, and through the liquefied gas pipe with liquefied gas jar is connected, liquefied gas pipe from liquefied gas jar end to combustor end establish hand valve, relief pressure valve, pneumatic fast valve one of cutting, diffuse valve one and pneumatic fast valve two of cutting in proper order.
The utility model discloses the technical scheme who further injects does:
the upper end of the combustor is also connected with a blast furnace gas pipe.
And a third pneumatic quick-cutting valve, a second bleeding valve, an electric regulating valve and a fourth pneumatic quick-cutting valve are sequentially arranged on the blast furnace gas pipe along the direction of the burner.
And a first pressure gauge is arranged on the liquefied gas pipe between the first bleeding valve and the second pneumatic quick-cutting valve.
And a throttling orifice plate is arranged in the liquefied gas pipe between the second pneumatic quick-cutting valve and the burner.
And a second pressure gauge is arranged on the blast furnace gas pipe between the regulating valve and the quick-cutting valve.
The utility model has the advantages that: the utility model has simple structure, can realize timely ignition, effectively consume dynamic rich coal gas of a company, and improve the stability and the generating capacity of waste heat power generation; arranging a first bleeding valve and a second bleeding valve, discharging air in the pipe through the bleeding valves before ignition, and ensuring that no combustible gas enters the boiler through the cooperation of the bleeding valves and a manual valve during blowing out so as to ensure safety; the pressure reducing valve is arranged, so that the pressure can be controlled, the using amount of ignition liquefied gas can be controlled, and the cost is effectively reduced; an electric regulating valve is arranged to automatically regulate the input quantity of blast furnace gas, thereby ensuring the stability of the heat value of the flue gas entering the waste heat boiler;
the utility model has the advantages that the combustor is respectively connected with liquefied gas and coal gas, and the two gases are fully mixed in the combustor, thereby improving the combustion efficiency; and the hot gas distribution in the afterburning furnace can be disturbed, so that the temperature in the afterburning furnace is uniform, and the ignition reliability can be ensured by adopting an NIL-6000 high-energy electronic igniter as the igniter.
Drawings
Fig. 1 is a front view of the present invention.
Detailed Description
Example 1
The embodiment provides a fast ignition device of a afterburning furnace, the structure is shown in figure 1, and the fast ignition device comprises an afterburning furnace body 1, a liquefied gas tank 3 and a burner 2, the burner 2 is arranged at the bottom end of one side of the afterburning furnace body 1, the bottom of the burner is connected with an igniter 5 arranged at the outer side of the afterburning furnace body, one side of the bottom end of the burner is provided with a gas inlet which is positioned at the upper end of the igniter and is connected with the liquefied gas tank 3 through a liquefied gas pipe 18, the liquefied gas pipe is sequentially provided with a manual valve 6, a pressure reducing valve 7, a first pneumatic fast-cutting valve 8, a first bleeding valve 9, a first pressure gauge 10 and a second pneumatic fast-cutting valve 11 from the end of the liquefied gas tank to the end of the burner, a throttling orifice plate 12 is arranged in the liquefied gas pipe between the second pneumatic fast-cutting valve and the burner, the upper end of the burner is also, A second bleeding valve 14, an electric regulating valve 15, a second pressure gauge 16 and a fourth pneumatic quick-cutting valve 17.
The system has a simple structure, can realize timely ignition, effectively consumes the dynamic rich gas of a company, and improves the stability and the generating capacity of waste heat power generation; arranging a first bleeding valve and a second bleeding valve, discharging air in the pipe through the bleeding valves before ignition, and ensuring that no combustible gas enters the boiler through the cooperation of the bleeding valves and a manual valve during blowing out so as to ensure safety; the pressure reducing valve is arranged, so that the pressure can be controlled, the using amount of ignition liquefied gas can be controlled, and the cost is effectively reduced; an electric regulating valve is arranged to automatically regulate the input quantity of blast furnace gas, thereby ensuring the stability of the heat value of the flue gas entering the waste heat boiler;
the utility model has the advantages that the combustor is respectively connected with liquefied gas and coal gas, and the two gases are fully mixed in the combustor, thereby improving the combustion efficiency; and moreover, the hot gas distribution in the afterburning furnace can be disturbed, so that the temperature in the afterburning furnace is uniform, and the ignition reliability can be ensured by adopting a high-energy ignition device as the ignition device.
In addition to the above embodiments, the present invention can also have other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation are all within the protection scope claimed in the present invention.
Claims (6)
1. The utility model provides a afterburning stove quick ignition, includes afterburning stove body, liquefied gas jar and combustor, its characterized in that, the combustor is installed afterburning stove body one side bottom to its bottom is connected with the some firearm in the installation afterburning stove body outside, combustor bottom one side is equipped with the air inlet, and this air inlet is located some firearm upper end, and through liquefied gas pipe with liquefied gas jar is connected, liquefied gas pipe establishes hand valve, relief pressure valve, pneumatic fast valve one, diffuse valve one and the pneumatic fast valve two of cutting from liquefied gas jar end to combustor end in proper order.
2. The afterburner rapid ignition device of claim 1, wherein: the upper end of the burner is also connected with a blast furnace gas pipe.
3. The afterburner rapid ignition device of claim 2, wherein: and a third pneumatic quick-cutting valve, a second bleeding valve, an electric regulating valve and a fourth pneumatic quick-cutting valve are sequentially arranged on the blast furnace gas pipe along the direction of the burner.
4. The afterburner rapid ignition device of claim 1, wherein: and a first pressure gauge is arranged on the liquefied gas pipe between the first bleeding valve and the second pneumatic quick-cutting valve.
5. The afterburner rapid ignition device of claim 1, wherein: and a throttling orifice plate is arranged in the liquefied gas pipe between the second pneumatic quick-cutting valve and the burner.
6. The afterburner rapid ignition device of claim 3, wherein: and a second pressure gauge is arranged on the blast furnace gas pipe between the regulating valve and the fourth quick-cutting valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922106132.3U CN212178929U (en) | 2019-11-29 | 2019-11-29 | Fast ignition device of afterburning furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922106132.3U CN212178929U (en) | 2019-11-29 | 2019-11-29 | Fast ignition device of afterburning furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212178929U true CN212178929U (en) | 2020-12-18 |
Family
ID=73762617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922106132.3U Active CN212178929U (en) | 2019-11-29 | 2019-11-29 | Fast ignition device of afterburning furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212178929U (en) |
-
2019
- 2019-11-29 CN CN201922106132.3U patent/CN212178929U/en active Active
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