CN203927952U - Automatic ignition and combustion accompanying device for blast furnace gas diffusion - Google Patents
Automatic ignition and combustion accompanying device for blast furnace gas diffusion Download PDFInfo
- Publication number
- CN203927952U CN203927952U CN201420307444.5U CN201420307444U CN203927952U CN 203927952 U CN203927952 U CN 203927952U CN 201420307444 U CN201420307444 U CN 201420307444U CN 203927952 U CN203927952 U CN 203927952U
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- blast furnace
- furnace gas
- pipe
- ignition
- gas
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- 238000009792 diffusion process Methods 0.000 title abstract description 6
- 238000002485 combustion reaction Methods 0.000 title 1
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 10
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 239000003034 coal gas Substances 0.000 abstract description 10
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 70
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000010891 electric arc Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010017740 Gas poisoning Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model provides a blast furnace gas diffuses automatic ignition and accompanies burning device, set up the molecule on the blast furnace gas diffuses the pipe and seal, set up the wind cap on the molecule, set up 3 ignition and accompany the burning ware and 3 flame detection assemblies at the top edge of wind cap, 3 ignition and accompany the burning ware and 3 flame detection assemblies and all present 120 angular distributions, and flame detection assembly and ignition and accompany burning ware interval 15 angular distributions; the ignition burning device is provided with a coal gas inlet pipe, an air inlet pipe, a water removing device, an elevator arc generator and a catalytic reaction chamber, and the elevator arc generator is connected with the high-voltage generator through a high-voltage cable. The utility model discloses can realize using the gas source of diffusing blast furnace gas in the diffusion pipe as the ignition and accompanying burning system, replace traditional high calorific value coal gas, greatly reduced ignites and accompanies the running cost who burns the system.
Description
Technical field
The utility model belongs to the energy-conserving and environment-protective field of steel industry, relates in particular to blast furnace gas diffusing automatic ignition companion and burns device.
Background technology
Blast furnace gas is the byproduct of blast furnace ironmaking, and main combustibles is CO, H
2with a small amount of CH
4, have a large amount of N
2and CO
2, its transmission & distribution are to be undertaken by airtight pipe network.But in actual production process, due to the product of coal gas with for there being certain lack of uniformity, the diffusing of unnecessary coal gas of just having to implement in the time that pipe network exceedes design pressure, if the blast furnace gas diffusing directly enters atmosphere by diffusing tower, can cause serious atmosphere pollution, have influence on surrounding environment, even in the particular surroundings of indivedual periods, cause personnel's gas poisoning.Therefore, need to carry out a partner to this part blast furnace gas burns.For guaranteeing the safety of diffusing of blast furnace gas, iron and steel enterprise conventionally carries out high-altitude ignition at coal gas diffusion top of tower to emission coal gas and diffuses.Because the blast furnace gas calorific value diffusing is lower, (blast furnace gas calorific value is 700-900KCAL/m
3left and right), very difficult generation can complete stability, certainly tie up burned flame, therefore conventionally needs high heating value gas light a fire and accompany burning.
At present, the way that domestic iron and steel enterprises is traditional is to retain ever-burning flame at each diffusing tower top, and the some partner of ever-burning flame burns source of the gas and be generally the coke-stove gas of high heating value; No matter whether blast furnace gas diffuses, the ever-burning flame round-the-clock burning in 24 hours in a day of this burning coke-stove gas.And the impurity content such as tar is higher in coke-stove gas, be easy to cause coke oven gas pipe to stop up, companion burns fray-out of flame; And then make to diffuse blast furnace gas and cannot fully burn, there is the CO accident that exceeds standard.Therefore, these ever-burning flames have not only consumed a large amount of high heating value combustion gas of enterprise, cause iron and steel enterprise's production cost to increase, and it are unreliable to light a fire, and also environment has been caused to larger pollution.
" a kind of igniter of blast furnace gas diffusing " (CN200975680Y) discloses this device and changed the ignition structure of diffusing tower, the shortcomings such as the easy scaling loss of unreasonable, the attached coke-oven coal tracheae of layout that has overcome original igniter.But the method is used coke-stove gas to burn source of the gas as a partner, has increased the operating cost of system, and in coke-stove gas, the impurity content such as tar is high, easily cause gas pipe corrosion and produce and stop up, cause igniting unreliable.
" a kind of combustion-support-free blast furnace gas diffusion torch head " (CN201731492U) discloses this device and reduced coal gas air velocity by drawing the parts such as speed ring, gear air ring, steady firearm, improve the stability of blast furnace gas, ensure to diffuse torch and can realize combustion-supporting without other gas in the situation that and burning.But blast-furnace gas pressure is unstable, fluctuation range is very large, and calorific value is lower, for not adopting combustion-supporting sparking mode still to have misgivings, and industrial seldom real enforcement.
" a kind of novel blast furnace gas diffusing and automatic ignition system " (CN102261664A) discloses this system and realizes closing completely of diffusion system by cutting soon valve, and uses the blast furnace gas in gaspipe network to solve as igniting source of the gas the variety of issue that coke-stove gas exists as igniting source of the gas.But this system will be responsible for net from blast furnace gas and draw 30～50 meters of high breather pipes to diffusing tower top, be easy to cause obstruction, igniting unreliable of breather pipe.
In sum, blast furnace gas diffusing point partner burns device and also has problems, is mainly reflected in, and existing blast furnace gas ignition companion firing technique need to consume high heating value gas, increases operating cost, or system operation existing problems, light a fire unreliable.Therefore it is very urgent and necessary that the blast furnace gas ignition companion who, seeks practicability and effectiveness, energy-conserving and environment-protective more burns device.
Utility model content
The purpose of this utility model is to overcome the problems referred to above provides a kind of blast furnace gas diffusing automatic ignition companion to burn device with deficiency, can greatly reduce investment and the operation expense of blast furnace gas ignition, improves the security reliability of blast furnace gas ignition.
Blast furnace gas diffusing automatic ignition companion burns device, molecule envelope is set on blast furnace gas diffusing pipe, molecule is sealed up hurricane globe is set, in hurricane globe top, 3 some partner's burners and 3 flame detecting assemblies are set, 3 some partner's burners and 3 flame detecting assemblies are all hexagonal angle and distribute, and flame detecting assembly distributes with some 15° angle, partner's burner interval; Described some partner's burner is provided with gas entry pipe, air intake pipe, de-watering apparatus, elevator arc generator and catalytic reaction chamber, and elevator arc generator is connected with high pressure generator by high-tension cable; Described gas entry Guan Yudian partner burner vertical direction is under 30 ° of angles to be inserted in hurricane globe; Described de-watering apparatus is arranged on blast furnace gas inlet tube root position, and described air intake pipe is vertically mounted on hurricane globe outside; Elevator arc generator is arranged on the top of gas entry pipe and air intake pipe, and catalytic reaction chamber is arranged on elevator arc generator top.
By the design that blast furnace gas diffusing automatic ignition companion is burnt to device, can realize using and diffuse blast furnace gas in exhaust stack and burn the gas source of system as a partner, substituted traditional high heating value gas, self energy consumption is zero substantially, and reduction point partner burns the operating cost of system greatly.That the present invention has is safe and reliable, save the energy, reduce the features such as maintenance cost and protection of the environment.
Brief description of the drawings
Fig. 1 blast furnace gas automatic ignition companion burns device installation diagram;
Fig. 2 blast furnace gas automatic ignition companion burns device top view;
1-blast furnace gas diffusing pipe in figure, 2-molecule envelope, 3-purges nitrogen inlet, 4-hurricane globe, 5-gas entry pipe, 6-air intake pipe, 7-de-watering apparatus, 8-high-tension cable, 9-elevator arc generator, 10-catalytic reaction chamber, 11-flame detection components, 12-high pressure generator, 13-point partner burner.
Detailed description of the invention
As shown in the figure, blast furnace gas diffusing automatic ignition companion burns device, molecule envelope 2 is set on blast furnace gas diffusing pipe 1, in molecule envelope 2, hurricane globe 4 is set, at hurricane globe) top arranges 13 and 3 flame detecting assemblies 11 of 3 some partner burners, 13 and 3 flame detecting assemblies 11 of 3 some partner burners are all hexagonal angle and distribute, and flame detecting assembly 11 distributes with some partner's burner 13 15° angles, interval; Described some partner's burner 13 is provided with gas entry pipe 5, air intake pipe 6, de-watering apparatus 7, elevator arc generator 9 and catalytic reaction chamber 10, and elevator arc generator 9 is connected with high pressure generator 12 by high-tension cable; Described gas entry pipe 5 is under 30 ° of angles and inserts in hurricane globe (4) with some partner burner 13 vertical direction; Described de-watering apparatus 7 is arranged on blast furnace gas inlet tube 5 root positions, and described air intake 6 pipes are vertically mounted on hurricane globe (4) outside; Elevator arc generator 9 is arranged on the top of gas entry pipe 5 and air intake pipe 6, and catalytic reaction chamber 10 is arranged on elevator arc generator 9 tops.
Below by embodiment, the present invention is further illustrated.
In the time that blast furnace gas diffusing pipe 1 starts to diffuse blast furnace gas, high pressure generator 12 produces the high-tension electricity of 25000V and gives the elevator arc generator 9 in partner's burner 13 by high-tension cable 8, produces the planar electric arc of 30 × 200mm2; When emission coal gas in blast furnace gas diffusing pipe 1 enters after hurricane globe 4, be automatically introduced into partner's burner 13 inside by the gas entry pipe 5 of partner's burner 13; Gas entry pipe 5 adopts white steel to do, and is 30 ° of angles arranges with partner's burner 13 vertical direction, and gas entry pipe 5 pipe ranges are 1m, and caliber is 100mm; Can ensure to diffuse blast furnace gas and automatically be introduced into partner's burner 13 inside, the problems such as obstruction can not occur.At the de-watering apparatus 7 of interior gas entry pipe 5 root positions of partner's burner 13, can reduce condensed water content in the interior blast furnace gas of inlet point partner burner, ensure igniting reliability; The blast furnace gas of introducing mixes with the air that air intake pipe 6 enters, and by the interior catalytic reaction chamber 10 of partner's burner 13, under catalytic reaction effect, is lighted by planar elevator electric arc, jets out flames from partner's burner 13 tops.The flame of ejection is as the partner flame that makes a fire, and lights from hurricane globe 4 tops the blast furnace gas that diffuses out.Three some partner burners on hurricane globe 4 are hexagonal angle and are evenly distributed and are arranged on flare tip 10 edges, no matter can ensure under which kind of wind direction, no matter emission coal gas to which direction flies away and can be lighted.11 moment of flame detecting assembly that are arranged on partner's burner 13 sides are being monitored flame situation, after lighting a fire successfully, provide feedback signal and stop elevator arc generator 9 electric arc occurs, in the time there is Fire-fighting Problems, also can provide feedback signal and allow elevator arc generator 9 continue to occur electric arcs.Until blast furnace gas diffusing pipe stops coal gas diffusion.
Claims (1)
1. a blast furnace gas diffusing automatic ignition companion burns device, it is characterized in that, molecule envelope (2) is set on blast furnace gas diffusing pipe (1), in molecule envelope (2), hurricane globe (4) is set, in hurricane globe (4) top, 3 some partner burners (13) and 3 flame detecting assemblies (11) are set, 3 some partner burners (13) and 3 flame detecting assemblies (11) are all hexagonal angle and distribute, and flame detecting assembly (11) distributes with some 15° angle, partner's burner (13) interval; Described some partner's burner (13) is provided with gas entry pipe (5), air intake pipe (6), de-watering apparatus (7), elevator arc generator (9) and catalytic reaction chamber (10), and elevator arc generator (9) is connected with high pressure generator (12) by high-tension cable; Described gas entry pipe (5) and some partner's burner (13) vertical direction are under 30 ° of angles to be inserted in hurricane globe (4); Described de-watering apparatus (7) is arranged on blast furnace gas inlet tube (5) root position, and described air intake (6) pipe is vertically mounted on hurricane globe (4) outside; Elevator arc generator (9) is arranged on the top of gas entry pipe (5) and air intake pipe (6), and catalytic reaction chamber (10) is arranged on elevator arc generator (9) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420307444.5U CN203927952U (en) | 2014-06-11 | 2014-06-11 | Automatic ignition and combustion accompanying device for blast furnace gas diffusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420307444.5U CN203927952U (en) | 2014-06-11 | 2014-06-11 | Automatic ignition and combustion accompanying device for blast furnace gas diffusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203927952U true CN203927952U (en) | 2014-11-05 |
Family
ID=51823757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420307444.5U Expired - Fee Related CN203927952U (en) | 2014-06-11 | 2014-06-11 | Automatic ignition and combustion accompanying device for blast furnace gas diffusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203927952U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104946833A (en) * | 2015-07-13 | 2015-09-30 | 河北煜剑节能技术有限公司 | Automatic ignition and combustion accompanying device for blast furnace and converter gas desorption tower |
| CN105509055A (en) * | 2015-12-24 | 2016-04-20 | 山东义升环保设备有限公司 | All-weather windproof gas diffusion burner |
| 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 |
| CN108488893A (en) * | 2018-03-06 | 2018-09-04 | 河北煜剑节能技术有限公司 | Low concentration gas heat source prizes heating plant |
-
2014
- 2014-06-11 CN CN201420307444.5U patent/CN203927952U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104946833A (en) * | 2015-07-13 | 2015-09-30 | 河北煜剑节能技术有限公司 | Automatic ignition and combustion accompanying device for blast furnace and converter gas desorption tower |
| CN104946833B (en) * | 2015-07-13 | 2017-04-12 | 河北煜剑节能技术有限公司 | Automatic ignition and combustion accompanying device for blast furnace and converter gas desorption tower |
| CN105509055A (en) * | 2015-12-24 | 2016-04-20 | 山东义升环保设备有限公司 | All-weather windproof gas diffusion burner |
| 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 |
| CN108488893A (en) * | 2018-03-06 | 2018-09-04 | 河北煜剑节能技术有限公司 | Low concentration gas heat source prizes heating plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20200611 |