CN109563557A - The Bird's Nest area remove device of blast furnace - Google Patents
The Bird's Nest area remove device of blast furnace Download PDFInfo
- Publication number
- CN109563557A CN109563557A CN201680088334.6A CN201680088334A CN109563557A CN 109563557 A CN109563557 A CN 109563557A CN 201680088334 A CN201680088334 A CN 201680088334A CN 109563557 A CN109563557 A CN 109563557A
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- CN
- China
- Prior art keywords
- bird
- capsule
- nest area
- blast furnace
- high pressure
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/16—Tuyéres
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B1/00—Shaft or like vertical or substantially vertical furnaces
- F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
- F27B1/16—Arrangements of tuyeres
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
- F27D25/001—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag comprising breaking tools, e.g. hammers, drills, scrapers
- F27D25/003—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag comprising breaking tools, e.g. hammers, drills, scrapers used for punching tuyeres
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/0025—Charging or loading melting furnaces with material in the solid state
- F27D3/0026—Introducing additives into the melt
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/16—Introducing a fluid jet or current into the charge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
- F41B11/80—Compressed-gas guns, e.g. air guns; Steam guns specially adapted for particular purposes
- F41B11/87—Compressed-gas guns, e.g. air guns; Steam guns specially adapted for particular purposes for industrial purposes, e.g. for surface treatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
- F42B10/32—Range-reducing or range-increasing arrangements; Fall-retarding means
- F42B10/48—Range-reducing, destabilising or braking arrangements, e.g. impact-braking arrangements; Fall-retarding means, e.g. balloons, rockets for braking or fall-retarding
- F42B10/50—Brake flaps, e.g. inflatable
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
- F42B10/60—Steering arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
- F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
- F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
- F42B12/72—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material
- F42B12/76—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
- F42B5/02—Cartridges, i.e. cases with charge and missile
- F42B5/025—Cartridges, i.e. cases with charge and missile characterised by the dimension of the case or the missile
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B6/00—Projectiles or missiles specially adapted for projection without use of explosive or combustible propellant charge, e.g. for blow guns, bows or crossbows, hand-held spring or air guns
- F42B6/10—Air gun pellets ; Ammunition for air guns, e.g. propellant-gas containers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/16—Introducing a fluid jet or current into the charge
- F27D2003/168—Introducing a fluid jet or current into the charge through a lance
- F27D2003/169—Construction of the lance, e.g. lances for injecting particles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
- F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
- F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
- F42B12/56—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information for dispensing discrete solid bodies
- F42B12/58—Cluster or cargo ammunition, i.e. projectiles containing one or more submissiles
- F42B12/66—Chain-shot, i.e. the submissiles being interconnected by chains or the like
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Fluid Mechanics (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Manufacture Of Iron (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The Bird's Nest area remove device that the present invention provides a kind of blast furnace includes: fine coal spray gun, and the fine coal spray gun is connected to the combustion zone inside blast furnace, for being blown into fine coal；Capsule, the capsule are transported to the Bird's Nest area around combustion zone by the fine coal spray gun, and the inside of the capsule is equipped with flux, so as to melt and remove Bird's Nest area；And high pressure emitter, the high pressure emitter accommodates the capsule and connects the end that the fine coal spray gun is arranged in, capsule can be emitted to Bird's Nest area using high pressure nitrogen, the capsule containing flux to be sent into the Bird's Nest area for being deposited in blast furnace furnace core, to effectively remove Bird's Nest area, furnace core state can be improved.
Description
Technical field
The invention discloses a kind of for removing the device in the Bird's Nest area accumulated on blast furnace furnace core.
Background technique
In general, blast furnace iron-making process is after the iron ore as molten iron raw material and the coke as fuel are packed into blast furnace, to lead to
The high-temp combustion heat and reducing gas crossing coke burning and generating make iron ore reduction and melting, to produce molten iron discharging.
In addition, for the blast furnace operating for being blown into fine coal, because coke is replaced by fine coal, relative to coke layer thickness mine
Rock layers thickness increases, and the quantity combusted of coke can be reduced in furnace bottom, and the decrease speed of result furnace charge reduces, therefore coke is in height
Residence time in furnace increases, and further increases so as to cause the chance collided between combustion zone coke granule.At this point, because of play
Mechanical wear caused by strong crash response and the coke blacking generated can be deposited in furnace on the coke layer of specific position.Namely
It says, will form coke filled layer i.e. Bird's Nest area (bird ' s nest) in blast furnace furnace core.The Bird's Nest area can be deposited in blast furnace furnace core
Combustion zone near.
In order to successfully carry out blast furnace operating, need that the reducing gas for being produced from bottom is enable successfully to be moved to blast furnace
Top.For this purpose, the state for being fitted into filled layer in the coke in furnace should be good.
The amount in good condition for referring to the powder of the 3mm or less between filled layer of coke filled layer is few in furnace, as long as therefore clear
It except 3mm or less powder, is easy for ensuring gap, this indicates fusant in the flowing of reducing gas or the furnaces such as molten iron and slag
Flowing is smooth.
That is, blast furnace is the countercurrent reactor of high temperature and pressure, made by furnace bottom heat air delivery from furnace roof loading
Coke burning, to obtain CO gas, restores sinter and produces molten iron using CO gas as reducing agent.It is fired before air port
It burns the gas formed in band to pass through after coke filled layer, it should uniformly spread, should not be sent out with vertical direction along blast furnace is radial
Raw bias current.
However, furnace core portion, which is substantially accumulated, many powder, therefore it gas can occur can not penetrate into the feelings at blast furnace center
Condition.
In order to remove the fine powder for being present in 3mm or less powder layer area as described above, attempted to fry the region into
Row is removed, but when using this method, there are problems that explosion causes to generate a large amount of powder.Pass through in addition, having also been attempted
The material that air port is blown into ore or oxygen containing low melting point flux to remove powder, but be blown into directly acts on the probability of furnace core
It is low, gas permeability/liquid permeability can be reduced instead, therefore there is the shortcomings that causing the working of a furnace to deteriorate.
Summary of the invention
Technical problem
The present invention provides a kind of Bird's Nest area remove device of blast furnace, and the capsule (capsule) containing flux is injected accumulation
In the Bird's Nest area of blast furnace furnace core, effectively to remove Bird's Nest area, so as to improve furnace core state.
Technical solution
The Bird's Nest area remove device of blast furnace of the invention can include: fine coal spray gun, the fine coal spray gun are connected in blast furnace
The combustion zone in portion, for being blown into fine coal；Capsule, the capsule are transported to the Bird's Nest around combustion zone by the fine coal spray gun
The inside in area, the capsule is equipped with flux, so as to melt and remove Bird's Nest area；And high pressure emitter, the high pressure
Emitter accommodates the capsule and connects the end that the fine coal spray gun is arranged in, high pressure nitrogen can be utilized to emit capsule
To Bird's Nest area.
The fine coal spray gun further includes control valve, and the control valve is arranged in the fine coal spray gun and the high pressure emitter
Between and conveyed elevated pressure nitrogen tolerance can be controlled.
The fine coal spray gun further includes blowpipe, the blowpipe connection outside of the fine coal spray gun is set and
It can blow.
The high pressure emitter further includes high-pressure gas container, and the high-pressure gas container connection is arranged in the high pressure
The rear of beam and can accommodate and conveying high-pressure nitrogen.
The high pressure emitter further includes control valve, and the control valve is arranged in the high pressure emitter and the high pressure gas
Conveyed elevated pressure nitrogen tolerance can be controlled between body container.
The high pressure emitter can include: filling department, the filling department are arranged to load and emit multiple glue
Capsule；And lid, the lid can be opened and closed to be arranged on the filling department.
The capsule has by plastic material molding and inside can fill the iron scale (mill containing water or hydrogenperoxide steam generator
Scale) the structure of flux.
The capsule can include: the front of the capsule is arranged in bullet, the bullet, so as to be inserted into Bird's Nest area；
The rear of the bullet is arranged in cylinder, the cylinder, and the inside of the cylinder can fill flux；And bottom plug, the bottom plug are set
It sets at the rear of the cylinder, the bottom plug is arranged to sealing cylinder.
The bullet and bottom plug have respectively its outer peripheral surface be formed on seal groove and the seal groove be respectively set it is close
Seal ring can seal the structure of the cylinder.
The cylinder can connect with another cylinder and form large capacity cylinder.
There is the large capacity cylinder intermediate setting flexible joint to enter flexible structure when Bird's Nest area.
The capsule further includes position adjustable board, and the position adjustable board is plugged on the bullet traveling position that can adjust capsule
It sets.
The position adjustable board has the following structure: being selectively disposed in the bullet up and down, passes through position adjustable board
Loading adjusts the advanced positions of bullet, so as to adjust the place of arrival of the capsule up and down.
Invention effect
It can prevent the furnace core of inactivation from causing air-supply by effectively removing the Bird's Nest area of blast furnace furnace core according to the present apparatus
Amount decline causes yield to reduce, and with the improvement of furnace core state, wind pressure of blowing can be reduced, and the working of a furnace can be made to become stable.
In addition, fine powder can be removed by making the fine powder to form Bird's Nest area and flux carry out reaction, therefore will not send out
The phenomenon that raw fine powder causes hot wind transmission efficiency to decline, so as to increase yield.
Detailed description of the invention
Fig. 1 is the schematic diagram for showing the Bird's Nest area remove device according to the blast furnace of the present embodiment.
Fig. 2 is the schematic diagram for showing the structure of the Bird's Nest area remove device according to the blast furnace of the present embodiment.
Fig. 3 is the schematic diagram for showing the capsule of the Bird's Nest area remove device according to the present embodiment.
Fig. 4 is the schematic diagram for showing the structure of the capsule according to the present embodiment.
Fig. 5 is the schematic diagram for showing another embodiment of the capsule according to the present embodiment.
Fig. 6 is the schematic diagram for showing the state that position adjustable board is provided on the capsule according to the present embodiment.
Specific embodiment
Term as used herein is only not intended to the limitation present invention for description specific embodiment.Unless in context
Obvious opposite meaning is separately provided, otherwise singular used herein is also intended to including plural form.It should also be appreciated that
It is that term " includes " can refer specifically to a certain characteristic, field, integer, step, movement, element and/or ingredient；But it is not precluded
Other characteristics, field, integer, step, movement, the presence or additional of element, ingredient and/or group.
The embodiment that the present invention will be described in detail with reference to the accompanying drawings, so that those of ordinary skill in the art are easy to implement
The present invention.Those of ordinary skill in the art, which manage, should be understood that on the basis of not departing from idea of the invention and range, herein
The embodiment described being capable of deformation implementation in a variety of different ways.Therefore, the present invention can deformation implementation in a variety of different ways,
It is not limited to embodiment as described herein.
Fig. 1 is the schematic diagram for showing the Bird's Nest area remove device according to the blast furnace of the present embodiment.
Fig. 2 is the schematic diagram for showing the structure of the Bird's Nest area remove device according to the blast furnace of the present embodiment.
As depicted in figs. 1 and 2, the present invention discloses a kind of Bird's Nest area remove device of blast furnace, can effectively remove in blast furnace 1
It is deposited in the Bird's Nest area 3 of furnace core, so that furnace core activates.
In the present embodiment, the Bird's Nest area remove device of blast furnace can include: fine coal spray gun 10, the fine coal spray gun 10 connect
Combustion zone 2 inside blast furnace 1, for being blown into fine coal；Capsule 20, the capsule 20 are transported to combustion by the fine coal spray gun 10
The Bird's Nest area 3 around band 2 is burnt, the inside of the capsule 20 is equipped with flux, so as to melt and remove Bird's Nest area 3；And
High pressure emitter 30, the high pressure emitter 30 accommodate the capsule 20 and connect the end that the fine coal spray gun 10 is arranged in,
Capsule 20 can be emitted to Bird's Nest area 3 using high pressure nitrogen.
Furnace core is deposited in that is, the capsule 20 is emitted to using high pressure nitrogen by the high pressure emitter 30
Bird's Nest area 3 so that the flux in capsule 20 is reacted with Bird's Nest area 3, so as to remove Bird's Nest area 3.
In addition, the fine coal spray gun 10 for putting the combustion zone 2 of the blast furnace 1 into may also include control valve 11, the control
Valve 11, which is arranged between the fine coal spray gun 10 and the high pressure emitter 30, can control conveyed elevated pressure nitrogen tolerance, and
The fine coal spray gun 10 may also include blowpipe 12, and the blowpipe 12 connects the outside that the fine coal spray gun 10 is arranged in
It can blow.
The speed and amount that high pressure nitrogen input is controlled by the way that the control valve 11 of the fine coal spray gun 10 is arranged in, from
And it can control the emission rate of the capsule 20, and the blowpipe by the way that 10 outside of fine coal spray gun is arranged in
12, it can more effectively blow to fine coal spray gun 10.
In addition, the high pressure emitter 30 that the capsule 20 is emitted to Bird's Nest area 3 may also include high-pressure gas container
31, the rear that the high pressure emitter 30 is arranged in the connection of high-pressure gas container 31 can accommodate and conveying high-pressure nitrogen,
And the high pressure emitter 30 may also include control valve 32, the setting of control valve 32 the high pressure emitter 30 with it is described
Conveyed elevated pressure nitrogen tolerance can be controlled between high-pressure gas container 31.
The high pressure emitter 30 receives high pressure nitrogen from the high-pressure gas container 31 that rear is arranged in, so as to
Emit the capsule 20, and by the control valve 32, can control from high-pressure gas container 31 and be transported to high pressure emitter
30 gas flow.
In addition, the high pressure emitter 30 can include: filling department 33, the filling department 33 are arranged to load and emit
Multiple capsules 20；And lid 34, the lid 34 can be opened and closed to be arranged on the filling department 33.Pass through the high pressure
The structure of emitter 30 is sent out in the state of being filled with multiple capsule 20 in the filling department 33 to the Bird's Nest area 3 of furnace core
Injection capsule 20, and lid 34 to be opened/closed can be set, to keep the air-tightness of the filling department 33.
Fig. 3 is the schematic diagram for showing the capsule of the Bird's Nest area remove device according to the present embodiment.
Fig. 4 is the schematic diagram for showing the structure of the capsule according to the present embodiment.
As shown in Figure 3 and Figure 4, the capsule 20, which has, contains water and hydrogen peroxide by plastic material molding and internal can fill
The structure of the iron scale flux of solution or aqueous hydrogen peroxide solution.
That is, base can be carried out with the Bird's Nest area 3 in blast furnace 1 due to substance contained in the capsule 20
It is reacted in the decomposition caused heat release of cartalytic decomposition effect function, and passes through the oxygen generated when decomposition, the carbon in fine powder can be made to fire
It burns, Bird's Nest area 3 can also be washed off by being formed from fusant to remove Bird's Nest area 3.
In addition, the structure of the capsule 20 can include: the front of the capsule 20 is arranged in bullet 21, the bullet 21,
So as to be inserted into Bird's Nest area 3；The rear of the bullet 21, the inside of the cylinder 22 is arranged in cylinder 22, the cylinder 22
Flux can be filled；And the rear of the cylinder 22 is arranged in bottom plug 23, the bottom plug 23, the bottom plug 23 is arranged to seal
Cylinder 22.
The bullet 21 and bottom plug 23, which have, is formed with seal groove 21a, 23a and the seal groove in its outer peripheral surface respectively
Sealing ring 21b, 23b are respectively set on 21a, 23a can seal the structure of the cylinder 22.
By the bullet 21 and bottom plug 23 and sealing ring 21b, 23b for being incorporated on bullet 21 and bottom plug 23 to keep
The air-tightness of cylinder 22 is stated, so as to so that the substance mounted in cylinder 22 is steadily sent into Bird's Nest area 3.
Therefore, Bird's Nest area 3 is removed by the way that the capsule 20 with above structure to be sent into the Bird's Nest area 3 of blast furnace 1.It will contain
The capsule 20 of hydrogenperoxide steam generator and flux such as iron scale is continuously introduced into Bird's Nest area 3 and forms the fine powder progress in Bird's Nest area 3
It mixes and removes the fine powder, channel is consequently formed, gas is swimmingly flowed in furnace core, so as to solve furnace core inactivation
The problem of.
Fig. 5 is the schematic diagram for showing another embodiment of the capsule according to the present embodiment.
As shown in figure 5, the cylinder 22 can connect with another cylinder and form large capacity cylinder 22a, the large capacity
There is cylinder 22a intermediate setting flexible joint 22b to enter flexible structure when Bird's Nest area 3.
That is, for the capsule 20, when being blown by the fine coal spray gun 10, most suitable 20 length of capsule
It is about 200mm, but in order to be sent into more substances, after the extended length of capsule 20, as the large capacity cylinder 22a
Come in use, estimate to will appear the problem of can not blocking by curved fine coal spray gun 10, therefore in order to avoid the problem, it can
To be designed to connect flexible joint 22b in the intermediate of the large capacity cylinder 22a, to be smoothly through curved part.
Fig. 6 is the schematic diagram for showing the state that position adjustable board is provided on the capsule according to the present embodiment.
As shown in fig. 6, the capsule 20 further includes position adjustable board 24, the position adjustable board 24 is plugged in can on the bullet 21
Adjust the advanced positions of capsule 20.The position adjustable board 24 has the following structure: being selectively disposed in the upper and lower of the bullet 21
Left and right, adjusts the advanced positions of bullet 21, by the loading of position adjustable board 24 so as to adjust the capsule 20 up and down
Place of arrival.
That is, forming gap on the bullet of the capsule 20 and plugging less than or equal to described in 20 diameter of capsule
When being sent into after position adjustable board 24, during the capsule 20 is advanced, furnace gas acts on the positioning being plugged on bullet 21
24 lower section of plate so that the bullet 21 for changing capsule 20 is inserted into the position in Bird's Nest area 3, therefore can adjust arrival ground up and down
Point.
After capsule 20 is loaded into the fine coal spray gun 10 as a result, to the position adjustable board on the bullet 21 for being plugged in capsule 20
24 position is adjusted up and down with the target position in the Bird's Nest area 3 being moved to, and the high pressure emitter 30 is then opened
Control valve 32, the capsule 20 is sent into Bird's Nest area 3 by high pressure nitrogen, so that the flux that contains in the capsule 20 is raw
At above and below substance such as iron scale/left and right be uniformly distributed, rather than concentrate be injected at one.
After fine powder of the flux included in cylinder 22 by the capsule 20 to remove Bird's Nest area 3, air permeance resistance
It can reduce, be deep into furnace core by the hot wind that air port is sent into, therefore the flowing of gas and fusant becomes smooth, air flow rate
Increase and wind pressure reduces, to play the role of activating furnace core.
As a result, by effectively removing the Bird's Nest area 3 of 1 furnace core of blast furnace, it can prevent the furnace core of inactivation from causing under air output
Drop causes yield to reduce, and with the improvement of furnace core state, wind pressure of blowing can reduce, the working of a furnace can be made to become stable, be passed through
Fine powder can be removed by so that the fine powder to form Bird's Nest area 3 and flux is carried out reaction, therefore fine powder will not occur leads to hot wind
The phenomenon that transmission efficiency declines, so as to increase yield.
As described above, exemplary embodiment of the present invention is described, but those skilled in the art can be into
Row various modifications and use other embodiments.This deformation and other embodiments are considered into claims, can be with
It says and does not depart from real spirit and scope of the invention.
Claims (13)
1. a kind of Bird's Nest area remove device of blast furnace comprising:
Fine coal spray gun, the fine coal spray gun is connected to the combustion zone inside blast furnace, for being blown into fine coal；
Capsule, the capsule are transported to the Bird's Nest area around combustion zone by the fine coal spray gun, and the inside of the capsule is equipped with
Flux, so as to melt and remove Bird's Nest area；And
High pressure emitter, the high pressure emitter accommodates the capsule and connects the end that the fine coal spray gun is arranged in, with energy
Capsule is enough emitted to Bird's Nest area using high pressure nitrogen.
2. the Bird's Nest area remove device of blast furnace according to claim 1, wherein
The fine coal spray gun further includes control valve, and the control valve is arranged between the fine coal spray gun and the high pressure emitter
Conveyed elevated pressure nitrogen tolerance can be controlled.
3. the Bird's Nest area remove device of blast furnace according to claim 2, wherein
The fine coal spray gun further includes blowpipe, the blowpipe connection outside of the fine coal spray gun is set and can
Air-supply.
4. the Bird's Nest area remove device of blast furnace according to claim 1, wherein
The high pressure emitter further includes high-pressure gas container, and the high-pressure gas container connection is arranged in the high pressure emitter
Rear and can accommodate and conveying high-pressure nitrogen.
5. the Bird's Nest area remove device of blast furnace according to claim 4, wherein
The high pressure emitter further includes control valve, and the control valve setting is held in the high pressure emitter and the high pressure gas
Conveyed elevated pressure nitrogen tolerance can be controlled between device.
6. the Bird's Nest area remove device of blast furnace according to claim 1, wherein
The high pressure emitter includes: filling department, and the filling department is arranged to load and emit multiple capsules；And
Lid, the lid can be opened and closed to be arranged on the filling department.
7. the Bird's Nest area remove device of blast furnace according to claim 1, wherein
The capsule, which has, contains water or hydrogenperoxide steam generator or aqueous hydrogen peroxide solution by plastic material molding and internal can fill
Iron scale flux structure.
8. the Bird's Nest area remove device of blast furnace according to claim 7, wherein
The capsule includes: bullet, and the front of the capsule is arranged in the bullet, so as to be inserted into Bird's Nest area；Cylinder, institute
The rear that the bullet is arranged in cylinder is stated, the inside of the cylinder can fill flux；And bottom plug, the bottom plug are arranged described
The rear of cylinder, the bottom plug are arranged to sealing cylinder.
9. the Bird's Nest area remove device of blast furnace according to claim 8, wherein
The bullet and bottom plug, which have to be formed on seal groove and the seal groove in its outer peripheral surface respectively, is respectively set sealing ring
The structure of the cylinder can be sealed.
10. the Bird's Nest area remove device of blast furnace according to claim 8, wherein
The cylinder can connect with another cylinder and form large capacity cylinder.
11. the Bird's Nest area remove device of blast furnace according to claim 10, wherein
There is the large capacity cylinder intermediate setting flexible joint to enter flexible structure when Bird's Nest area.
12. the Bird's Nest area remove device of blast furnace according to claim 8, wherein
The capsule further includes position adjustable board, and the position adjustable board is plugged on the bullet advanced positions that can adjust capsule.
13. the Bird's Nest area remove device of blast furnace according to claim 12, wherein
The position adjustable board has the following structure: being selectively disposed in the bullet up and down, passes through the loading of position adjustable board
The advanced positions of the bullet are adjusted, so as to adjusting the place of arrival of the capsule up and down.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2016-0102537 | 2016-08-11 | ||
| KR1020160102537A KR101759333B1 (en) | 2016-08-11 | 2016-08-11 | Apparatus for destroying bird's nest in blast furnace |
| PCT/KR2016/012250 WO2018030585A1 (en) | 2016-08-11 | 2016-10-28 | Apparatus for removing bird's nest in blast furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109563557A true CN109563557A (en) | 2019-04-02 |
Family
ID=59430841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680088334.6A Pending CN109563557A (en) | 2016-08-11 | 2016-10-28 | The Bird's Nest area remove device of blast furnace |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3498868A4 (en) |
| JP (1) | JP6714768B2 (en) |
| KR (1) | KR101759333B1 (en) |
| CN (1) | CN109563557A (en) |
| WO (1) | WO2018030585A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101850659B1 (en) * | 2017-03-17 | 2018-04-20 | 임정륜 | Apparatus for supplying recarburizer of electric furnace using tire powder and supplying method thereof |
| KR102083535B1 (en) * | 2017-12-22 | 2020-03-02 | 주식회사 포스코 | Operating method and apparatus for blast furnace |
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|---|---|---|---|---|
| JPH1112617A (en) * | 1997-06-26 | 1999-01-19 | Nippon Steel Corp | Blast furnace operation |
| US6371030B1 (en) * | 1999-08-09 | 2002-04-16 | The United States Of America As Represented By The Secretary Of The Navy | Training projectile using shape memory alloy members |
| US20070137539A1 (en) * | 2005-12-03 | 2007-06-21 | Anton Neumeir | Method for the removal of deposits on the internal walls of industrial furnaces of bunkers |
| KR20120036174A (en) * | 2010-10-07 | 2012-04-17 | 오미혜 | Composition of additive for steel furnace efficiency |
| KR20120126974A (en) * | 2011-05-13 | 2012-11-21 | 주식회사 포스코 | Apparatus for destroying bird's nest in blast furnace |
| KR101267744B1 (en) * | 2011-06-29 | 2013-05-27 | 현대제철 주식회사 | apparatus for pulverized coal injection of blast furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3149595A1 (en) * | 1981-12-15 | 1983-07-21 | Dynamit Nobel Ag, 5210 Troisdorf | Aerodynamic braking device for missiles, especially rockets |
| KR101673174B1 (en) * | 2015-12-23 | 2016-11-07 | 주식회사 포스코 | Device and method for removal bird nest of raceway in blast furnace |
-
2016
- 2016-08-11 KR KR1020160102537A patent/KR101759333B1/en active IP Right Grant
- 2016-10-28 WO PCT/KR2016/012250 patent/WO2018030585A1/en unknown
- 2016-10-28 CN CN201680088334.6A patent/CN109563557A/en active Pending
- 2016-10-28 EP EP16912783.4A patent/EP3498868A4/en not_active Withdrawn
- 2016-10-28 JP JP2019506129A patent/JP6714768B2/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1112617A (en) * | 1997-06-26 | 1999-01-19 | Nippon Steel Corp | Blast furnace operation |
| US6371030B1 (en) * | 1999-08-09 | 2002-04-16 | The United States Of America As Represented By The Secretary Of The Navy | Training projectile using shape memory alloy members |
| US20070137539A1 (en) * | 2005-12-03 | 2007-06-21 | Anton Neumeir | Method for the removal of deposits on the internal walls of industrial furnaces of bunkers |
| KR20120036174A (en) * | 2010-10-07 | 2012-04-17 | 오미혜 | Composition of additive for steel furnace efficiency |
| KR20120126974A (en) * | 2011-05-13 | 2012-11-21 | 주식회사 포스코 | Apparatus for destroying bird's nest in blast furnace |
| KR101267744B1 (en) * | 2011-06-29 | 2013-05-27 | 현대제철 주식회사 | apparatus for pulverized coal injection of blast furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018030585A1 (en) | 2018-02-15 |
| JP2019523385A (en) | 2019-08-22 |
| EP3498868A1 (en) | 2019-06-19 |
| EP3498868A4 (en) | 2019-07-17 |
| KR101759333B1 (en) | 2017-07-18 |
| JP6714768B2 (en) | 2020-06-24 |
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Application publication date: 20190402 |