CN208487629U - Blast furnace gas diffusing ignition system - Google Patents
Blast furnace gas diffusing ignition system Download PDFInfo
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- CN208487629U CN208487629U CN201820844633.4U CN201820844633U CN208487629U CN 208487629 U CN208487629 U CN 208487629U CN 201820844633 U CN201820844633 U CN 201820844633U CN 208487629 U CN208487629 U CN 208487629U
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- torch cylinder
- fire
- blast furnace
- furnace gas
- ignition system
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Abstract
The utility model relates to field of blast-furnace equipment, more particularly to blast furnace gas diffusing ignition system, it includes torch cylinder and the hurricane globe for covering in torch cylinder top, dynamic sealing device is fixedly installed on the torch cylinder inner wall, the top of the dynamic sealing device is equipped with inclined multiple gaseous mixture choked flow whirlwind sheets clockwise, multiple gaseous mixture choked flow whirlwind sheets are along torch cylinder inner wall uniform welding, and the other end is fixedly welded on the annular cyclone piece support frame in torch cylinder, multiple air entrapment whirlwind sheets inclined counterclockwise are uniformly fixedly welded between the torch cylinder outer wall and hurricane globe.Apparatus structure provided by the utility model is simple, flame stabilization, and burning is sufficiently, reliable for operation, avoids frequently lighting a fire.
Description
Technical field
The utility model relates to field of blast-furnace equipment more particularly to blast furnace gas diffusing ignition systems.
Background technique
Blast furnace gas diffusing ignition system is all usually using dynamic sealing device by changing gas flow rate and airflow direction
Form stable point fire source, play steady fiery anti-off effect, if but the ignition system wind speed of this structure it is larger when blast furnace gas
Cauldron can frequently occur for diffusing tower and altar lamp extinguishes, and blast furnace gas pipeline network pressure is relatively high, and release flow is excessive, cause
Make to light a fire after blast-furnace gas diffusing tower generation Cauldron and altar lamp leaping flame are flame-out relatively difficult, if blast-furnace gas diffusing tower is long
Time misfires release, and it is exceeded to will result in lower wind direction carbon monoxide, there are major safety risks, and blast-furnace gas diffusing tower frequency
Numerous flame-out, igniting, will also result in service life of equipment decline, and failure rate also will increase, and maintenance number increases.
Utility model content
It is simple that the technical problem to be solved by the utility model is to provide structures, flame stabilization, and sufficiently, operation can for burning
It leans on, avoids the blast furnace gas diffusing ignition system frequently lighted a fire.
The utility model is to be achieved by the following technical programs:
Blast furnace gas diffusing ignition system comprising torch cylinder and the hurricane globe for covering in torch cylinder top, the fire
Dynamic sealing device is fixedly installed on torch cylinder inboard wall, the top of the dynamic sealing device is equipped with inclined more clockwise
A gaseous mixture choked flow whirlwind sheet, multiple gaseous mixture choked flow whirlwind sheets are along torch cylinder inner wall uniform welding, and the other end fixes weldering
It is connected on the annular cyclone piece support frame in torch cylinder, is uniformly fixedly welded between the torch cylinder outer wall and hurricane globe
There are multiple air entrapment whirlwind sheets inclined counterclockwise.
Further, dynamic sealing device includes the tower-like cyclone plate of tricyclic.
Further, fire-retarding device is fixedly installed on the annular cyclone piece support frame.
Further, the fire-retarding device includes the fire-retardant frame of annular being fixedly welded on annular cyclone piece support frame, centre
Fixing sleeve and multiple fire-retardant spiral boards with the fire-retardant frame of annular and intermediate fixing sleeve welding respectively.
The beneficial effects of the utility model
Blast furnace gas diffusing ignition system comprising torch cylinder and the hurricane globe for covering in torch cylinder top, the fire
Dynamic sealing device is fixedly installed on torch cylinder inboard wall, the top of the dynamic sealing device is equipped with inclined more clockwise
A gaseous mixture choked flow whirlwind sheet, multiple gaseous mixture choked flow whirlwind sheets are along torch cylinder inner wall uniform welding, and the other end fixes weldering
It is connected on the annular cyclone piece support frame in torch cylinder, is uniformly fixedly welded between the torch cylinder outer wall and hurricane globe
There are multiple air entrapment whirlwind sheets inclined counterclockwise, in this way, coal gas can be made to enter from torch cylinder lower part
Eddy flow is formed through dynamic sealing device, and through air entrapment whirlwind sheet after gap entrance of the air between torch cylinder and hurricane globe
It forms eddy flow to enter in torch cylinder, the two is mixed to form mixing cyclonic current at gaseous mixture choked flow whirlwind sheet, both can be to prevent
Only the pressure and flow velocity of coal gas and air are excessive, and can make gaseous mixture full combustion, have both avoided because of emission coal gas flow velocity mistake
It is flame-out to lead to leaping flame fastly, and the generation due to the too low flame-out phenomenon of air ratio, relatively simple for structure, operating ratio can be prevented
It is relatively safe and reliable, and without frequently igniting.
Dynamic sealing device includes the tower-like cyclone plate of tricyclic, in this way, coal gas can both have been made to form eddy flow, controls coal gas
Pressure and flow velocity, and air can be prevented to torch cylinder lower motion, cause mixed gas in torch cylinder lower combustion, hair
The safety accidents such as raw explosion.
Fire-retarding device is fixedly installed on annular cyclone piece support frame, fire-retarding device includes being fixedly welded on annular cyclone piece
The fire-retardant frame of annular, intermediate fixing sleeve and multiple fire-retardant rotations with the fire-retardant frame of annular and intermediate fixing sleeve welding respectively on support frame
A fire-retarding device is arranged in this way, further adjusts the pressure and flow velocity of coal gas and air for flowing plate, prevents torch leaping flame flame-out,
It is set more to adapt to blast furnace gas diffusing ignition system.
Detailed description of the invention
Fig. 1 is the utility model schematic view of the front view;
Fig. 2 is the utility model overlooking structure diagram;
1. torch cylinder in figure, 2. air entrapment whirlwind sheets, 3. annular cyclone piece support frames, 4. hurricane globes, 5. tricyclic towers
Shape cyclone plate, 6. gaseous mixture choked flow whirlwind sheets, 7. dynamic sealing devices, the 8. fire-retardant framves of annular, 9. intermediate fixing sleeves, 10. fire-retardant rotations
Flowing plate.
Specific embodiment
Blast furnace gas diffusing ignition system comprising torch cylinder 1 and the hurricane globe 4 for covering in torch cylinder top, it is described
Dynamic sealing device 7 is fixedly installed on torch cylinder inner wall, the top of the dynamic sealing device is equipped with to be tilted clockwise
Multiple gaseous mixture choked flow whirlwind sheets 6, multiple gaseous mixture choked flow whirlwind sheets are along torch cylinder inner wall uniform welding, and the other end is solid
Surely it is welded on the annular cyclone piece support frame 3 in torch cylinder, it is uniformly solid between the torch cylinder outer wall and hurricane globe
Surely multiple air entrapment whirlwind sheets 2 inclined counterclockwise are welded with.
Further, dynamic sealing device includes the tower-like cyclone plate 5 of tricyclic.
Further, fire-retarding device is fixedly installed on the annular cyclone piece support frame.
Further, the fire-retarding device includes the fire-retardant frame of annular being fixedly welded on annular cyclone piece support frame, centre
Fixing sleeve 9 and multiple fire-retardant spiral boards 10 with the fire-retardant frame 8 of annular and intermediate fixing sleeve welding respectively.
Due to blast furnace gas diffusing ignition system comprising torch cylinder and the hurricane globe for covering in torch cylinder top, institute
It states and is fixedly installed with dynamic sealing device on torch cylinder inner wall, the top of the dynamic sealing device is equipped with to be tilted clockwise
Multiple gaseous mixture choked flow whirlwind sheets, multiple gaseous mixture choked flow whirlwind sheets are along torch cylinder inner wall uniform welding, and the other end is solid
Surely it is welded on the annular cyclone piece support frame in torch cylinder, is uniformly fixed between the torch cylinder outer wall and hurricane globe
Multiple air entrapment whirlwind sheets inclined counterclockwise are welded with, in this way, coal gas can be made from torch cylinder lower part
Eddy flow is formed into through dynamic sealing device, and gap of the air between torch cylinder and hurricane globe is revolved after entering through air entrapment
Wind piece forms eddy flow and enters in torch cylinder, and the two is mixed to form mixing cyclonic current at gaseous mixture choked flow whirlwind sheet, both may be used
To prevent pressure and the flow velocity of coal gas and air excessive, and gaseous mixture full combustion can be made, both avoided because of emission coal gas stream
Speed is too fast to cause leaping flame to be stopped working, and can prevent the generation due to the too low flame-out phenomenon of air ratio, relatively simple for structure, fortune
Row is more safe and reliable, and without frequently igniting.
Dynamic sealing device includes the tower-like cyclone plate of tricyclic, in this way, coal gas can both have been made to form eddy flow, controls coal gas
Pressure and flow velocity, and air can be prevented to torch cylinder lower motion, cause mixed gas in torch cylinder lower combustion, hair
The safety accidents such as raw explosion.
Fire-retarding device is fixedly installed on annular cyclone piece support frame, fire-retarding device includes being fixedly welded on annular cyclone piece
The fire-retardant frame of annular, intermediate fixing sleeve and multiple fire-retardant rotations with the fire-retardant frame of annular and intermediate fixing sleeve welding respectively on support frame
A fire-retarding device is arranged in this way, further adjusts the pressure and flow velocity of coal gas and air for flowing plate, prevents torch leaping flame flame-out,
It is set more to adapt to blast furnace gas diffusing ignition system.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (4)
1. blast furnace gas diffusing ignition system, which is characterized in that including torch cylinder and cover in the hurricane globe on torch cylinder top,
Dynamic sealing device is fixedly installed on the torch cylinder inner wall, the top of the dynamic sealing device is equipped with inclines clockwise
Oblique multiple gaseous mixture choked flow whirlwind sheets, multiple gaseous mixture choked flow whirlwind sheets are along torch cylinder inner wall uniform welding, and the other end
It is fixedly welded on the annular cyclone piece support frame in torch cylinder, uniformly consolidates between the torch cylinder outer wall and hurricane globe
Surely multiple air entrapment whirlwind sheets inclined counterclockwise are welded with.
2. blast furnace gas diffusing ignition system according to claim 1, which is characterized in that the dynamic sealing device includes three
The tower-like cyclone plate of ring.
3. blast furnace gas diffusing ignition system according to claim 1 or 2, which is characterized in that the annular cyclone piece branch
Fire-retarding device is fixedly installed on support.
4. blast furnace gas diffusing ignition system according to claim 3, which is characterized in that the fire-retarding device includes fixing
Be welded on the fire-retardant frame of annular on annular cyclone piece support frame, intermediate fixing sleeve and it is multiple respectively with the fire-retardant frame of annular and intermediate solid
The fire-retardant spiral board of fixed set welding.
Priority Applications (1)
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CN201820844633.4U CN208487629U (en) | 2018-06-01 | 2018-06-01 | Blast furnace gas diffusing ignition system |
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CN201820844633.4U CN208487629U (en) | 2018-06-01 | 2018-06-01 | Blast furnace gas diffusing ignition system |
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CN208487629U true CN208487629U (en) | 2019-02-12 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108679632A (en) * | 2018-06-01 | 2018-10-19 | 盐城市联鑫钢铁有限公司 | Blast furnace gas diffusing ignition system |
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2018
- 2018-06-01 CN CN201820844633.4U patent/CN208487629U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108679632A (en) * | 2018-06-01 | 2018-10-19 | 盐城市联鑫钢铁有限公司 | Blast furnace gas diffusing ignition system |
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