CN202131322U - Novel diffusing and automatic ignition system for blast furnace gas - Google Patents
Novel diffusing and automatic ignition system for blast furnace gas Download PDFInfo
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- CN202131322U CN202131322U CN201120164605U CN201120164605U CN202131322U CN 202131322 U CN202131322 U CN 202131322U CN 201120164605 U CN201120164605 U CN 201120164605U CN 201120164605 U CN201120164605 U CN 201120164605U CN 202131322 U CN202131322 U CN 202131322U
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- blast furnace
- furnace gas
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- management system
- diffuses
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Abstract
The utility model relates to a novel diffusing and automatic ignition system for a blast furnace gas, which comprises a blast furnace gas main pipe network, wherein the blast furnace gas main pipe network is communicated with a storage tank of a gas distributor; the gas distributor further comprises three groups of gas valves which are respectively connected with three high-altitude accompanying burners; the high-altitude accompanying burners are fixed on the upper part of a main burner by a fixing bracket; a flame checking device is connected on the top part of the main burner; the flame checking device is connected with a blast furnace gas diffusing management system; a diffusing pipe is connected on the bottom part of the main burner; the diffusing pipe is connected with the blast furnace gas main pipe network; the blast furnace gas main pipe network is installed with a pneumatic quick-switching valve; the pneumatic quick-switching valve is connected with the blast furnace gas diffusing management system; the diffusing pipe is further connected with a regulating valve; the regulating valve is connected with the blast furnace gas diffusing management system; the high-altitude accompanying burners are connected with an elevator arcing device; and the elevator arcing device is connected with the blast furnace gas diffusing management system. The novel diffusing and automatic ignition system for the blast furnace gas has the advantages that the consumption of a working proposal for a full-automatic ignition burning accompanying system is almost equal to zero, thereby saving the energy and protecting the environment.
Description
Technical field
The utility model relates to a kind of novel blast-furnace coal gas diffusion and auto-ignition system, need not other source of the gas and burns gas, energy-conserving and environment-protective as the companion.
Background technology
Blast furnace gas is the sub product that produces in the iron manufacturing process, directly enters atmosphere and pollutes the environment, and present metallurgy industry all is that blast furnace gas is entered atmosphere after through flame ignition, reduces and pollutes.But because blast furnace gas calorific value is low; Can't directly light with the high-voltage pulse portfire; Generally all be to adopt liquefied gas, Sweet natural gas, coke-oven gas to burn gas as the companion, these companions burn gases and are lighted the back as the pilot burner blast furnace gas that ignites by the high-voltage pulse portfire.They have a common ground promptly: use other high heating value source of the gas to light companion's burning device and refire blast furnace gas as companion's burning gas, and so neither energy-conservation also not environmental protection, therefore being badly in need of a kind of improved technology solves this problem.
Summary of the invention
The purpose of the utility model provides a kind of novel blast-furnace coal gas diffusion and auto-ignition system, can effectively save the energy, reduces smelter combustion gas investment.
The technical scheme that the utility model adopts is:
Novel blast-furnace coal gas diffusion and auto-ignition system comprise blast furnace gas person in charge net, and said blast furnace gas is responsible for net and is communicated with the storage tank of gas distributor; Said gas distributor also comprises three groups of gas valves, and said three groups of gas valves connect three high-altitude companions respectively and burn device, and said high-altitude companion burns device and is fixed in main burner top through fixed support; The top of said main burner connects fire monitor equipment, and said fire monitor equipment connects blast furnace gas and diffuses management system, and the bottom of said main burner connects bleeder; Said bleeder connects blast furnace gas and is responsible for net; Said blast furnace gas is responsible for net the pneumatic valve of cutting soon is installed, and the said pneumatic valve connection blast furnace gas of cutting soon diffuses management system, and said bleeder also is connected with variable valve; Said variable valve connects blast furnace gas and diffuses management system; Said high-altitude companion burns device and is connected with elevator arcing device, and said elevator arcing device connects blast furnace gas and diffuses management system, and said blast furnace gas diffuses management system and connects upper DCS system.
Said high-altitude companion burns device and comprises that burner, ignitron, companion burn pipe and catalytic reaction chamber, and said ignitron is located in the burner with the top that the companion burns pipe, has fire hole in the burner side of ignitron over top, and said companion burns the pipe top and is connected with catalytic reaction chamber.
Said blast furnace gas diffuses management system and comprises the master control cabinet, diffuses signal access port and valve control signal mouth.
Said main burner is made up of spinning disk, fireproof tempering device and windsheild, and said windsheild bottom is provided with spinning disk, and said fireproof tempering device inside is provided with three road shading rings.
Said fire monitor equipment is made up of thermopair and infra-red detection assembly, and said thermopair links to each other with the infra-red detection assembly.
Said elevator arcing device is made up of high pressure producer and spark lever, saidly is connected through high temperature resistant wire with spark lever with high pressure producer.
The utility model has the advantages that: use the blast furnace gas gas that acts as a fuel, the consumption that the full automatic point partner burns the system works scheme is approximately zero, energy-conserving and environment-protective.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the structural representation of the utility model gas distributor.
Fig. 3 burns the structural representation of device for the utility model high-altitude companion.
Fig. 4 is the structural representation of the utility model main burner.
Fig. 5 is the structural representation of the utility model elevator arcing device.
Wherein: 1, blast furnace gas is responsible for net, and 2, the pneumatic valve of cutting soon, 3, blast furnace gas diffuses management system, 4, gas distributor, 5, storage tank, 6, gas valve; 7, high-altitude companion burns device, and 8, main burner, 9, bleeder, 10, variable valve, 11, fire monitor equipment; 12, elevator arcing device, 13, the master control cabinet, 14, diffuse the signal access port, 15, the valve control signal mouth, 16, upper DCS system; 17, catalytic reaction chamber, 18, burner, 19, ignitron, 20, the companion burns pipe, 21, fire hole; 22, fixed support, 23, spinning disk, 24, fireproof tempering device, 25, windsheild, 26, the infra-red detection assembly; 27, thermopair, 28, spark lever, 29, high pressure producer, 30, shading ring, 31, high temperature resistant wire.
Embodiment
Shown in Fig. 1-3, the novel blast-furnace coal gas diffusion and the auto-ignition system of the utility model comprise blast furnace gas person in charge net 1; Said blast furnace gas is responsible for net 1 and is communicated with the storage tank 5 of gas distributor 4, and said gas distributor 4 also comprises three groups of gas valves 6, and said three groups of gas valves 6 connect three high-altitudes respectively and accompany burning devices 7; Said high-altitude companion burns device 7 and is fixed in main burner 8 tops through fixed support 22; The top of said main burner 8 connects fire monitor equipment 11, and said fire monitor equipment 11 connects blast furnace gas and diffuses management system 3, and the bottom of said main burner 8 connects bleeder 9; Said bleeder 9 connects blast furnace gas and is responsible for net 1; Said blast furnace gas is responsible for net 1 the pneumatic valve 2 of cutting soon is installed, and the said pneumatic valve 2 connection blast furnace gases of cutting soon diffuse management system 3, and said bleeder 9 also is connected with variable valve 10; Said variable valve 10 connects blast furnace gas and diffuses management system 3; Said high-altitude companion burns device 7 and is connected with elevator arcing device 12, and said elevator arcing device 12 connects blast furnace gas and diffuses management system 3, and said blast furnace gas diffuses the upper DCS of management system 3 connections system 16.
Said high-altitude companion burns device 7 and comprises that burner 18, ignitron 19, companion burn pipe 20 and catalytic reaction chamber 17; Ignitron 19 is located in the burner 18 with the top that the companion burns pipe 20; Burner 18 sides in ignitron 19 over top have fire hole 21; The companion burns pipe 20 tops and is connected with catalytic reaction chamber 17, and catalytic reaction chamber 17 plays accumulation of heat, stationary flame.
Said blast furnace gas diffuses management system 4 and comprises master control cabinet 13, diffuses signal access port 14 and valve control signal mouth 15.
Said main burner 8 is made up of spinning disk 23, fireproof tempering device 24 and windsheild 25; Said windsheild 24 bottoms are provided with spinning disk 23; Said fireproof tempering device 24 inside are provided with three road shading rings 30; The effect of spinning disk 23 is that the generation rotation is even with air mixed in the coal gas uphill process, helps sufficient combustion.Fireproof tempering device 24 increases by three road shading rings according to the wall attachment effect of coal gas when pipeline flows at burner inner wall, prevents pipe backfire.
Whether said fire monitor equipment 11 is made up of thermopair 27 and infra-red detection assembly 26, and said thermopair 27 links to each other with infra-red detection assembly 26, survey flame and light, and gives master control system with signal feedback.
Said elevator arcing device 12 is made up of high pressure producer 29 and spark lever 28; Saidly be connected through high temperature resistant wire 31 with spark lever 28 with high pressure producer 29; High pressure producer is according to Jacob elevator arcing principle; Can send electric arc continuously for a long time, it is big to send planar arc energy at the spark lever place, puts coal gas easily.
Novel blast-furnace coal gas diffusion and auto-ignition system adopt blast furnace gas self to burn medium as the companion; Use elevator arcing device 12 to light the high-altitude companion and burn device 7, and then light the blast furnace gas that need diffuse in the main pipe line, elevator arcing device 12 adopts Jacob elevator principle; The electric arc area that produces is easy to greatly light; The catalytic reaction chamber 17 that the high-altitude companion burns in the device 7 can keep 600 ℃ of high temperature, has insulation, the effect of stationary flame.Use the blast furnace gas gas that acts as a fuel, the consumption that the full automatic point partner burns the system works scheme is approximately zero, energy-conserving and environment-protective.
Working process:
The gas line that diffuses from needs connects an arm about DN200 and receives on the gas distributor 4; Receive high-altitude companion through gas distributor 4 again and burn on the device 7; In main burner 8 360 deg scopes, be provided with three high-altitude companions and burn device 7; Be responsible for when blast furnace gas and diffuse management system 3 to blast furnace gas when net 1 pressure surpasses set(ting)value and diffuse signal, blast furnace gas diffuses management system 3 and receives and diffuse signal, and blast furnace gas diffuses management system 3 and thinks have combustion gas to diffuse to bleeder 9; Close variable valve 10 this moment, after the several seconds delay process (purpose is to prevent to put the diffusing back draft of pipe, and can set time of lag); By master control cabinet 13 control elevator arcing devices 12 output high voltage electric, elevator arcing device 12 produces planar electric arc, opens the pneumatic valve 2 of cutting soon simultaneously and in high-altitude ignition companion burning device, sprays into the coal gas that need diffuse; Coal gas mixes with the air automatic mixing; Meeting the electric arc burning things which may cause a fire disaster is that quilt is lighted, and jets out flames from high-altitude ignition companion burning device, and the high-altitude of band catalytic reaction chamber 17 accompanies burning device 7 to have accumulation of heat, combustion-supporting interaction energy makes companion's burning stable; The torch of lighting is difficult for being extinguished; Open the coal gas that diffuses then, burnt device 7 by the high-altitude companion during through main burner 8 oral areas and light, accomplish and diffuse the burning whole process.
After coal gas is lighted, elicite flare up fire, feed back to blast furnace gas and diffuse management system 3 by the flame detecting assembly of correspondence; Blast furnace gas diffuses management system 3 and burns device supply high voltage electric to the high-altitude ignition companion; High-altitude ignition partly quits work, and high-altitude ignition companion burns device changes the high-altitude companion into and burn device 7, diffuse end after; Automatically close companion's fuel burning gas, blast furnace gas diffuses management system 3 and is in the monitoring recurrent state.
When because of certain reason, bleeder 9 accidents are extinguished, and when diffusing gas and still existing, blast furnace gas diffuses management system 3 and will light a fire again, with reliable, the burning fully of gas that guarantees that bleeder 9 diffuses, guarantees the security of system.
Claims (6)
1. novel blast-furnace coal gas diffusion and auto-ignition system is characterized in that: comprise that blast furnace gas is responsible for net, said blast furnace gas is responsible for net and is communicated with the storage tank of gas distributor; Said gas distributor also comprises three groups of gas valves, and said three groups of gas valves connect three high-altitude companions respectively and burn device, and said high-altitude companion burns device and is fixed in main burner top through fixed support; The top of said main burner connects fire monitor equipment, and said fire monitor equipment connects blast furnace gas and diffuses management system, and the bottom of said main burner connects bleeder; Said bleeder connects blast furnace gas and is responsible for net; Said blast furnace gas is responsible for net the pneumatic valve of cutting soon is installed, and the said pneumatic valve connection blast furnace gas of cutting soon diffuses management system, and said bleeder also is connected with variable valve; Said variable valve connects blast furnace gas and diffuses management system; Said high-altitude companion burns device and is connected with elevator arcing device, and said elevator arcing device connects blast furnace gas and diffuses management system, and said blast furnace gas diffuses management system and connects upper DCS system.
2. novel blast-furnace coal gas diffusion according to claim 1 and auto-ignition system; It is characterized in that: said high-altitude companion burns device and comprises that burner, ignitron, companion burn pipe and catalytic reaction chamber; Said ignitron is located in the burner with the top that the companion burns pipe; Burner side in the ignitron over top has fire hole, and said companion burns the pipe top and is connected with catalytic reaction chamber.
3. novel blast-furnace coal gas diffusion according to claim 1 and auto-ignition system is characterized in that: said blast furnace gas diffuses management system and comprises the master control cabinet, diffuses signal access port and valve control signal mouth.
4. novel blast-furnace coal gas diffusion according to claim 1 and auto-ignition system; It is characterized in that: said main burner is made up of spinning disk, fireproof tempering device and windsheild; Said windsheild bottom is provided with spinning disk, and said fireproof tempering device inside is provided with three road shading rings.
5. novel blast-furnace coal gas diffusion according to claim 1 and auto-ignition system is characterized in that: said fire monitor equipment is made up of thermopair and infra-red detection assembly, and said thermopair links to each other with the infra-red detection assembly.
6. novel blast-furnace coal gas diffusion according to claim 1 and auto-ignition system is characterized in that: said elevator arcing device is made up of high pressure producer and spark lever, saidly is connected through high temperature resistant wire with spark lever with high pressure producer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120164605U CN202131322U (en) | 2011-05-23 | 2011-05-23 | Novel diffusing and automatic ignition system for blast furnace gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120164605U CN202131322U (en) | 2011-05-23 | 2011-05-23 | Novel diffusing and automatic ignition system for blast furnace gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202131322U true CN202131322U (en) | 2012-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120164605U Expired - Lifetime CN202131322U (en) | 2011-05-23 | 2011-05-23 | Novel diffusing and automatic ignition system for blast furnace gas |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261664A (en) * | 2011-05-23 | 2011-11-30 | 启东市海信机械有限公司 | Novel blast furnace gas diffusion and automatic ignition system |
| CN103277805A (en) * | 2013-06-18 | 2013-09-04 | 启东市海信机械有限公司 | BFG (blast furnace gas) combustion power generating system |
| CN103789472A (en) * | 2014-02-11 | 2014-05-14 | 山西太钢不锈钢股份有限公司 | Blast-furnace gas diffusing ignition method |
| CN104676630A (en) * | 2013-11-29 | 2015-06-03 | 七台河宝泰隆圣迈煤化工有限责任公司 | Pressure swing absorption desorbed gas and excessive hydrogen recycling device |
| CN108397784A (en) * | 2018-03-06 | 2018-08-14 | 河北煜剑节能技术有限公司 | Blast furnace gas ignition diffusion system |
| CN112017391A (en) * | 2020-08-03 | 2020-12-01 | 柳州钢铁股份有限公司 | Flame fire extinguishing detection method for blast furnace gas diffusion chimney |
-
2011
- 2011-05-23 CN CN201120164605U patent/CN202131322U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261664A (en) * | 2011-05-23 | 2011-11-30 | 启东市海信机械有限公司 | Novel blast furnace gas diffusion and automatic ignition system |
| CN102261664B (en) * | 2011-05-23 | 2013-01-09 | 启东市海信机械有限公司 | Novel blast furnace gas diffusion and automatic ignition system |
| CN103277805A (en) * | 2013-06-18 | 2013-09-04 | 启东市海信机械有限公司 | BFG (blast furnace gas) combustion power generating system |
| CN104676630A (en) * | 2013-11-29 | 2015-06-03 | 七台河宝泰隆圣迈煤化工有限责任公司 | Pressure swing absorption desorbed gas and excessive hydrogen recycling device |
| CN104676630B (en) * | 2013-11-29 | 2017-04-05 | 七台河宝泰隆圣迈煤化工有限责任公司 | A kind of recycle device of pressure-variable adsorption resolution gas and the exess of H2 gas |
| CN103789472A (en) * | 2014-02-11 | 2014-05-14 | 山西太钢不锈钢股份有限公司 | Blast-furnace gas diffusing ignition method |
| CN108397784A (en) * | 2018-03-06 | 2018-08-14 | 河北煜剑节能技术有限公司 | Blast furnace gas ignition diffusion system |
| CN112017391A (en) * | 2020-08-03 | 2020-12-01 | 柳州钢铁股份有限公司 | Flame fire extinguishing detection method for blast furnace gas diffusion chimney |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120201 Effective date of abandoning: 20130227 |
|
| RGAV | Abandon patent right to avoid regrant |