CN106232266A - The attachment of hot-metal bottle removes method and the deposit removing device of hot-metal bottle - Google Patents

The attachment of hot-metal bottle removes method and the deposit removing device of hot-metal bottle Download PDF

Info

Publication number
CN106232266A
CN106232266A CN201580021019.7A CN201580021019A CN106232266A CN 106232266 A CN106232266 A CN 106232266A CN 201580021019 A CN201580021019 A CN 201580021019A CN 106232266 A CN106232266 A CN 106232266A
Authority
CN
China
Prior art keywords
attachment
burner
hot
metal bottle
combustion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201580021019.7A
Other languages
Chinese (zh)
Other versions
CN106232266B (en
Inventor
谷山公勇
福永新
福永新一
坂井俊宪
川津正雄
末吉翔太
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chugai Ro Co Ltd
Original Assignee
Chugai Ro Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chugai Ro Co Ltd filed Critical Chugai Ro Co Ltd
Publication of CN106232266A publication Critical patent/CN106232266A/en
Application granted granted Critical
Publication of CN106232266B publication Critical patent/CN106232266B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D43/00Mechanical cleaning, e.g. skimming of molten metals
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C1/00Refining of pig-iron; Cast iron
    • C21C1/06Constructional features of mixers for pig-iron
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D25/00Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Cleaning In General (AREA)

Abstract

The technical problem to be solved is when removing the attachments such as the residual ferrum being attached on hot-metal bottle or residue, it is possible to efficiently do not removed from hot-metal bottle by attachment with not making the shelling of refractory in hot-metal bottle.Make burner 20 along the Interface Moving between hot-metal bottle 10 and attachment 1, make the interval L between burner 21 and attachment 1 in the range of 100mm~500mm, on the thickness direction of attachment 1, sprayed the flame of wide cut by this burner apparatus 20 and the whole thickness direction of attachment 1 is heated, the most only part jet flames to the attachment 1 of near interface, thus the attachment 1 that will attach on hot-metal bottle 10 removes.

Description

The attachment of hot-metal bottle removes method and the deposit removing device of hot-metal bottle
Technical field
Residual ferrum or the residue etc. that the present invention relates to attachment on the hot-metal bottle of process or the refine etc. by being used for motlten metal are attached The attachment the hot-metal bottle that thing removes removes method and the deposit removing device of hot-metal bottle.Particularly there is following characteristics The attachment of hot-metal bottle removes method and the deposit removing device of hot-metal bottle: removing the residual ferrum or residual being attached on hot-metal bottle When the attachments such as slag, it is possible to attachment is not efficiently removed from hot-metal bottle with not making the shelling of refractory in hot-metal bottle.
Background technology
All the time, hot-metal bottle is used in process or the refine etc. of motlten metal, if Reusability hot-metal bottle, then deposits Gradually it is attached to the tank oral area of hot-metal bottle or the inwall in tank body portion etc. at residual ferrum (Japanese: ground gold) or residue etc. and makes discharge ferrum During water, therefore the mobility of molten iron is deteriorated and the weight of hot-metal bottle increases due to attachments such as residual ferrum or residues and utilized The problem that heavy-duty machine etc. are difficult to mobile hot-metal bottle etc..
Therefore, all the time, to the residual ferrum of the inwall of tank oral area or tank body portion being attached to hot-metal bottle etc. or residue etc. Attachment periodically removes.
Here, when removing the attachments such as the residual ferrum being attached on hot-metal bottle or residue, as one, in Patent Document 2, The scheme using disintegrating machine etc. that the attachments such as the residual ferrum being attached on hot-metal bottle or residue carry out machinery removing was proposed in the past.
But, under the occasion that this use disintegrating machine etc. carries out machinery removing to the attachment being attached on hot-metal bottle, There is problems in that and be difficult to only the attachment of the inwall of tank oral area or tank body portion being attached to hot-metal bottle etc. suitably be removed Go, and the inwall in the tank oral area of disintegrating machine etc. and hot-metal bottle or tank body portion etc. contact and make to be located at hot-metal bottle tank oral area or The refractory material of the inwall in tank body portion etc. is impaired, causes the construction again that hot-metal bottle must carry out refractory material, needs big Amount expense and time.
It addition, as shown in patent documentation 3,4, proposed to utilize high-temperature gas burner etc. to make to be attached to hot-metal bottle with contact On residual ferrum or the attachment such as residue is melted and the scheme that they removed from hot-metal bottle.
But in these situations, in order to make the attachments such as the residual ferrum or the residue that are attached on hot-metal bottle melted and by they from Remove on hot-metal bottle, exist must make attachment fully melted, make attachment melted on take a significant amount of time and fuel becomes This highest problem.
Prior art literature
Patent documentation
Patent documentation 1: Japanese Patent Laid-Open 8-10938 publication
Patent documentation 2: Japanese Patent Laid-Open 2011-245493 publication
Patent documentation 3: Japanese Patent Laid-Open 8-174204 publication
Patent documentation 4: Japanese Patent Laid-Open 2002-307163 publication
Summary of the invention
The technical problem to be solved
The problem of the present invention is solve to exist when removing the attachments such as the residual ferrum that is attached on hot-metal bottle or residue upper State problem.
That is, the technical problem to be solved is to remove the attachments such as the residual ferrum being attached on hot-metal bottle or residue When, it is possible to attachment is not efficiently removed from hot-metal bottle with not making the shelling of refractory in hot-metal bottle.
Solve the technical scheme that technical problem is used
In the attachment removing method of first hot-metal bottle of the present invention, in order to solve above-mentioned technical problem, attached removing In the attachment removing method of the hot-metal bottle attachment on hot-metal bottle, use the burning to described attachment jet flames Device device, control the combustion control device of the burning of burner in described burner apparatus and control described burner apparatus The position control of position, make this burner apparatus along the Interface Moving between hot-metal bottle and attachment, simultaneously by described The Separation control between burner in attachment and burner apparatus is in the range of 100mm~500mm, from described burner To the part jet flames of attachment, thus described attachment is removed from hot-metal bottle.
Then, remove method according to the attachment of this first hot-metal bottle, make burner apparatus relative to attachment vertically The all directions such as direction, circumferencial direction, oblique direction move and make burner move along the interface between hot-metal bottle and attachment Dynamic, and make the flame of burner apparatus spray on the direction at interface between hot-metal bottle and attachment.
And, make to be spaced in the range of 100mm~500mm between the burner in attachment and burner apparatus, The attachment then melted as the occasion of hypotelorism between attachment and burner rebounds and is attached to other parts The situation that upper, flame directly contacts with the refractory material in hot-metal bottle and makes refractory material impaired is suppressed, and also will not It is difficult to fully heat attachment and by attachment from molten iron as the occasion of hypertelorism between attachment surface and burner Remove on tank, but the attachment being attached on hot-metal bottle can be made suitably melted in the interface portion office with hot-metal bottle and from ferrum Simply removed on water pot.
It addition, in the attachment removing method of second hot-metal bottle of the present invention, in order to solve above-mentioned technical problem, removing In the attachment removing method of the hot-metal bottle of attachment removal attachment on hot-metal bottle, use to described attachment jet flames Burner apparatus, control the burning of burner in described burner apparatus combustion control device and control described burner dress The position control of the position put, control burner apparatus position so that from described burner apparatus flame along Spray on the direction at interface between hot-metal bottle and attachment, this burner apparatus on the thickness direction of attachment, spray wide cut Flame and the whole thickness direction of attachment is heated, the most only part jet bubble reactor to the attachment of near interface Flame, thus described attachment is removed from hot-metal bottle.
Make the flame of burner apparatus spray on the direction at interface between hot-metal bottle and attachment like this, then as Make flame as the occasion that the flame of burner apparatus sprays towards hot-metal bottle directly contact with hot-metal bottle and make to be located at molten iron Refractory material melting loss in tank, situation about being destroyed are suppressed.
And, make flame spray on the direction at interface between hot-metal bottle and attachment, be attached on hot-metal bottle Attachment thickness direction on spray the flame of wide cut and the whole thickness direction of attachment heated, the most only to boundary The part jet flames of the attachment near face, even if the attachment being then attached on hot-metal bottle the most all melts, it is also possible to make The attachment being attached on hot-metal bottle is suitably melted in the interface portion office with hot-metal bottle and is simply removed from hot-metal bottle.Separately Outward, under this occasion it is also preferred that by the Separation control between the burner in attachment surface and burner apparatus at 100mm~ In the range of 500mm.
Here, it is preferred that use the device of the leading section recess that is provided with stable flame of burner to fill as described burner Put, flame also can be made to stablize combustion with not altered under the occasion enabling fuel gas or combustion-supporting gas to burn with ejection at a high speed Burn.
It addition, as described burner apparatus, it be also possible to use the burner being provided with multiple row by multiple burner arrangement The device of row.
Additionally, in the deposit removing device of first hot-metal bottle of the present invention, removing be attached on hot-metal bottle attached In the deposit removing device of the hot-metal bottle thing, it is provided with the burner apparatus to described attachment jet flames, controls institute The combustion control device stating the burning of burner in burner apparatus and the position control of the position controlling described burner apparatus Device;By described position control make described burner apparatus along the Interface Moving between hot-metal bottle and attachment, simultaneously By the Separation control between the burner in described attachment and burner apparatus in the range of 100mm~500mm, from described Burner is to the part jet flames of attachment, thus is removed from hot-metal bottle by described attachment.
In the deposit removing device of second hot-metal bottle of the present invention, removing the attachment being attached on hot-metal bottle In the deposit removing device of hot-metal bottle, it is provided with the burning being provided with multiple row by the burner column of multiple burner arrangement Device device, control the combustion control device of the burning of burner in each burner column of described burner apparatus and control described The position control of the position of burner apparatus;By described position control control burner apparatus position so that from The flame of described burner apparatus is spraying on the direction at interface between hot-metal bottle and attachment, simultaneously by described burning control The burning of burner, injection width on the thickness direction of attachment in each burner column of the device processed described burner apparatus of control The flame of width and the whole thickness direction of attachment is heated, the most only part jet bubble reactor to the attachment of near interface Flame, thus described attachment is removed from hot-metal bottle.
Here, as described burner apparatus, it is possible to each burner column is arranged in arc-shaped.If like this by each combustion Burner row are arranged in arc-shaped, then each burner in each burner column can be made from wall to become the circular arc the hot-metal bottle of arc-shaped Shape wall is arranged equally spacedly such that it is able to prevent flame from contacting with refractory material and make refractory material melting loss and prevent flame With the part contact leaving interface portion.
The effect of invention
Attachment at the hot-metal bottle of the present invention removes in method and removing device, makes burner apparatus edge as described above The Interface Moving between hot-metal bottle and attachment, simultaneously by between the burner in described attachment and burner apparatus Every controlling in the range of 100mm~500mm, make the flame of burner apparatus along interface between hot-metal bottle and attachment Spray on direction, and on the thickness direction of attachment, spray the flame of wide cut and the whole thickness of attachment is added Heat, the most only the part jet flames to the attachment of near interface, the residual ferrum or residual being therefore attached on hot-metal bottle in removing When the attachments such as slag, it is possible to attachment is not efficiently removed from hot-metal bottle with not making the shelling of refractory in hot-metal bottle.
The brief description of accompanying drawing
Fig. 1: in display an embodiment of the present invention, the composition of the attachment that removing is attached on hot-metal bottle outlines Figure.
Fig. 2: the burner column used in above-mentioned embodiment is set as the outline upward view of the burner apparatus of 2 row.
Fig. 3: show in above-mentioned embodiment and fill to burner from fuel gas feeding device and combustion-supporting gas feedway In each burner column put burner supply fuel gas and combustion-supporting gas composition outline figure.
Fig. 4: show the state making burner apparatus configure as follows in above-mentioned embodiment outlines figure, should Mode is to make combustion set in each burner column in burner apparatus when removing the attachment being attached on hot-metal bottle The flame of burner is in the mode of injection on the direction at interface between hot-metal bottle and attachment.
Fig. 5: show in above-mentioned embodiment and removed two when the attachment being attached on hot-metal bottle by burner apparatus Kind of state outline figure, wherein, (A) be fuel gas and combustion-supporting gas are supplied the burner to each burner column and Carrying out the state burnt, (B) is off being pointed to away from the burner column of the position at interface between hot-metal bottle and attachment Burner supply fuel gas and combustion-supporting gas, only make the combustion of the position of near interface between hot-metal bottle and attachment The state of the burner combustion in burner row.
Fig. 6: show in above-mentioned embodiment and removed two when the attachment being attached on hot-metal bottle by burner apparatus Local specification's figure of kind of state, wherein, (A) is to make burner combustion in each burner column, on the thickness direction of attachment The state heated the whole thickness of attachment by the flame of wide cut, (B) is only to make between hot-metal bottle and attachment Burner combustion in the burner column of the position of near interface, only it is pointed near interface between hot-metal bottle and attachment Jet flames in the segment set of the attachment of position and remove the state of attachment.
Fig. 7: each burner arrangement shown in above-mentioned embodiment in each burner column of burner apparatus becomes arc-shaped The outline upward view of state.
Fig. 8: show that the burner column used in the modification of above-mentioned embodiment is set as the burner apparatus of 4 row Outline upward view.
Fig. 9: show in above-mentioned modification from fuel gas feeding device and combustion-supporting gas feedway to burner apparatus Each burner column in burner supply fuel gas and combustion-supporting gas composition outline figure.
Figure 10: show in above-mentioned modification and removed two kinds when the attachment being attached on hot-metal bottle by burner apparatus State outline figure, wherein, (A) is burning fuel gas and combustion-supporting gas supplied to each burner column of 4 row Device and carry out the state burnt, (B) is off being pointed to away from 2 row burnings of the position at interface between hot-metal bottle and attachment Burner supply fuel gas and combustion-supporting gas in device row, only make the position of near interface between hot-metal bottle and attachment The state of the burner combustion in the 2 row burner column at place.
Detailed description of the invention
Below, based on accompanying drawing, attachment removing method and the removing device of the hot-metal bottle of embodiment of the present invention are had Body explanation.It addition, the attachment of the hot-metal bottle of the present invention removes method and removing device is not limited to shown in implementation below Content, is not changing in the range of inventive technique thought, can implement after suitably changing.
In this embodiment, as it is shown in figure 1, use the hot-metal bottle 10 being provided with refractory material 11 at inner surface, attached removing When the attachments 1 such as the residual ferrum on the tank oral area of this hot-metal bottle 10 or the inner surface in tank body portion or residue, as in figure 2 it is shown, Use the burner 20 being provided with burner column 21A, 21B that 2 row are arranged by multiple burners 21, by combustion control device The burning of burner 21 in 30 each burner column 21A, 21B controlling these burner apparatus 20, simultaneously by arm type robot or The position controls such as heavy-duty machine 40 control the position of this burner apparatus 20.
Here, in described burner apparatus 20 as shown in Figures 2 and 3, it is provided with two and fuel gas is individually directed burning Fuel gas guide portion 22A of device row 21A, 21B, 22B, be provided with and divided from each fuel gas guide portion 22A, 22B by fuel gas Fuel gas supply nozzle 23A, the 23B of each burner 21 not supplied to burner column 21A, 21B, and be provided with oxygen Or the combustion-supporting gas such as air be individually directed in burner column 21A, 21B combustion-supporting gas guide portion 24A, 24B, be provided with combustion-supporting gas The combustion-supporting gas of each burner 21 that body is respectively fed to burner column 21A, 21B from each combustion-supporting gas guide portion 24A, 24B Supply nozzle 25A, 25B.
It addition, in above-mentioned each burner 21 in said burner device 20, at above-mentioned each fuel gas supply nozzle The leading section of the burner 21 that 23A, 23B converge with each combustion-supporting gas supply nozzle 25A, 25B, is additionally provided with the recessed of stable flame Portion 26.
Additionally, as it is shown on figure 3, draw fuel gas is supplied to above-mentioned each fuel gas from fuel gas feeding device 50 Lead and be respectively equipped with switch valve 52A, 52B on each fuel gas supply pipe 51A, 51B of portion 22A, 22B, and by combustion-supporting gas From combustion-supporting gas feedway 60 supply to above-mentioned each combustion-supporting gas guide portion 24A, 24B each combustion-supporting gas supply pipe 61A, Be respectively equipped with switch valve 62A, 62B on 62B, by above-mentioned combustion control device 30 control be located at each fuel gas supply pipe 51A, The switch of each switch valve 52A, 52B on 51B and be located at each switch valve 62A on each combustion-supporting gas supply pipe 61A, 61B, The switch of 62B.
Here, in this embodiment, remove be attached on the tank oral area of hot-metal bottle 10 or the inner surface in tank body portion residual When the attachment such as ferrum or residue 1, as shown in Figure 4, burner apparatus 20 is configured in such a way: filled by above-mentioned position control Put 40 make said burner device 20 along the vertical direction, circumferencial direction, all directions such as oblique direction move and make burner apparatus Each burner column 21A, 21B in 20 are nearly parallel to the interface between hot-metal bottle 10 and attachment 1, make from each burner 21 Flame on the direction at interface between hot-metal bottle 10 and attachment 1 spray;And so that the combustion in burner apparatus 20 Interval L mode in the range of 100mm~500mm between burner 21 and above-mentioned attachment 1 configures burner apparatus 20.
Then, when removing the attachment 1 being attached on hot-metal bottle 10, in initial stage, as shown in Fig. 5 (A), by upper State combustion control device 30 open each switch valve 52A, the 52B being located on above-mentioned each fuel gas supply pipe 51A, 51B and set Each switch valve 62A, 62B on each combustion-supporting gas supply pipe 61A, 61B, guides above-mentioned each combustion by fuel gas and combustion-supporting gas Material gas guide portion 22A, 22B and each combustion-supporting gas guide portion 24A, 24B in, by above-mentioned each fuel gas supply nozzle 23A, 23B and each combustion-supporting gas supply nozzle 25A, 25B each burner 21 in each burner column 21A, 21B supply fuel gas and Combustion-supporting gas and burn, as shown in Fig. 6 (A), make from the burner 21 in each burner column 21A, 21B and at attachment On the thickness direction of 1, the flame of wide cut is spraying, by this wide cut on the direction at interface between hot-metal bottle 10 and attachment 1 The whole thickness direction of the flame attachment 1 to being attached on hot-metal bottle 10 heats.
Then, after whole thickness direction to the attachment 1 being attached on hot-metal bottle 10 like this heats, as Shown in Fig. 5 (B), above-mentioned combustion control device 30 close and be located to being located remotely from interface between hot-metal bottle 10 and attachment 1 Opening on the fuel gas supply pipe 51B of the fuel gas guide portion 22B supply fuel gas in the burner column 21B of position Close valve 52B and be located at the switch valve on the combustion-supporting gas supply pipe 61B of combustion-supporting gas guide portion 24B supply combustion-supporting gas 62B, makes the burner 21 being located remotely from the burner column 21B of the position at interface between hot-metal bottle 10 and attachment 1 stop Burning, only makes the burner 21 of the burner column 21A of the position of near interface between hot-metal bottle 10 and attachment 1 fire Burn, as shown in figure (6), make in the burner column 21A of the position of near interface between hot-metal bottle 10 and attachment 1 Burner 21 and along the flame at interface between hot-metal bottle 10 and attachment 1 in the segment set of the attachment 1 of near interface Injection, thus will attach to the attachment 1 on hot-metal bottle 10 and remove from hot-metal bottle 10.
Take this, it is suppressed that from each burner 21 in above-mentioned each burner column 21A, 21B flame be located at hot-metal bottle The directly contact of the refractory material 11 on the inner surface of 10, the refractory material 11 being located on hot-metal bottle 10 will not melting loss and by broken Bad.
And, entered by the whole thickness direction of the wide cut flame attachment 1 to being attached on hot-metal bottle 10 as described above Interface portion between hot-metal bottle 10 and attachment 1 is only concentrated jet flames, then whole after heating and making it soften by row The attachment 1 being heated on thickness direction and soften is simultaneously heated efficiently in the interface portion office with hot-metal bottle 10 and melts, and softens Attachment 1 can as peeled off typically from the holding of this interface portion block fall and from the wall of hot-metal bottle 10 quilt Removing, even if the attachment 1 being attached on hot-metal bottle 10 the most all melts, attachment 1 also is able to from hot-metal bottle 10 by simply Remove.
It addition, will attach to the attachment 1 on hot-metal bottle 10 from hot-metal bottle 10 by burner apparatus 20 as described above When upper removing, in order to efficiently attachment 1 be removed from hot-metal bottle 10, preferably at above-mentioned combustion-supporting gas with the shorter time Use Laval nozzle on supply nozzle 25A, 25B, the combustion-supporting gas such as oxygen or air is sprayed with high speed more than velocity of sound, special The most preferably in order to make the attachment 1 of the interface portion office between hot-metal bottle 10 peel off efficiently with the short time and Each burner 21 in the burner column 21A of interface side between hot-metal bottle 10 and the attachment 1 softened supplies combustion-supporting gas Combustion-supporting gas supply nozzle 25A on use Laval nozzle.Even if it addition, like this combustion-supporting gas supply nozzle 25A, Use on 25B Laval nozzle, by the combustion-supporting gas such as oxygen or air with more than velocity of sound high speed spray occasion under, also at this The device of embodiment converges with each combustion-supporting gas supply nozzle 25A, 25B in above-mentioned each fuel gas supply nozzle 23A, 23B The leading section of the burner 21 closed is provided with the recess 26 of stable flame, therefore prevents air gun (Japanese: ジ ェ ッ ト ラ Application Generation ス) etc..
It addition, when only being jetted out flames by each burner 21 in the burner column 21A of interface side, wide by producing ratio Flame bigger during width flame, it is possible to remove the attachment 1 softened efficiently.
Further, since the inner surface of hot-metal bottle 10 typically becomes cylindric, as it is shown in fig. 7, also can be by burner apparatus 20 Each burner 21 in each burner column 21A, 21B is arranged in arc-shaped along the inner surface of hot-metal bottle 10.
It addition, in this embodiment, as burner apparatus 20, employ and be provided with 2 row and arranged by multiple burners 21 The device of burner column 21A, 21B but it also may set according to thickness of the attachment 1 being attached on hot-metal bottle 10 etc. Put more burner column.
It addition, as shown in Figure 8, it is possible to use be provided with first~the 4th burning that 4 row are arranged by multiple burners 21 The burner apparatus 20 of device row 21C, 21D, 21E, 21F.
Here, as it is shown in figure 9, be provided with and fuel gas is guided the first and second the two burnings in this burner apparatus 20 First fuel gas guide portion 22C of device row 21C, 21D and fuel gas is guided the third and fourth the two burner column Second fuel gas guide portion 22D of 21E, 21F, and be provided with by fuel gas from first fuel gas guide portion 22C supply to Fuel gas supply nozzle 23C, 23D of each burner 21 of first and second each burner column 21C, 21D, on the other hand, if Have fuel gas from each burning of the second fuel gas guide portion 22D supply to third and fourth each burner column 21E, 21F Fuel gas supply nozzle 23E, 23F of device 21.
Be additionally provided with by the combustion-supporting gas such as oxygen or air guide first~the 4th each burner column 21C~21F first~ 4th each combustion-supporting gas guide portion 24C~24F, and be provided with combustion-supporting gas from each combustion-supporting gas guide portion 24C of first~the 4th ~24F is respectively fed to the combustion-supporting gas supply of the first~the 4th of correspondence each burner 21 in each burner column 21C~21F Nozzle 25C~25F.
It addition, fuel gas is being supplied to above-mentioned first fuel gas guide portion 22C from fuel gas feeding device 50 Supply with each fuel gas of the second fuel gas guide portion 22D and be respectively equipped with switch valve 52C, 52D on pipe 51C, 51D, and It is provided with and combustion-supporting gas is supplied to above-mentioned first and second combustion-supporting gas guide portion 24C, 24D from combustion-supporting gas feedway 60 First combustion-supporting gas supply pipe 61C and by combustion-supporting gas supply to above-mentioned third and fourth combustion-supporting gas guide portion 24E, 24F Second combustion-supporting gas supply pipe 61D, and it is respectively equipped with switch valve on first and second each combustion-supporting gases supply pipe 61C, 61D 62C, 62D, by above-mentioned combustion control device 30 control be located at each fuel gas supply pipe 51C, 51D on each switch valve 52C, The switch of 52D and the switch of each switch valve 62C, 62D being located on each combustion-supporting gas supply pipe 61C, 61D.
Then, in this burner apparatus 20, the initial stage rank of the state of cooling it are at the attachment 1 being attached on hot-metal bottle 10 Duan Zhong, as shown in Figure 10 (A), is opened by above-mentioned combustion control device 30 and is located on above-mentioned each fuel gas supply pipe 51C, 51D Each switch valve 52C, 52D, and open be located at each combustion-supporting gas supply pipe 61C, 61D on each switch valve 62C, 62D, will combustion Material gas and combustion-supporting gas guide above-mentioned each fuel gas guide portion 22C, 22D and each combustion-supporting gas guide portion 24C~24F, logical Cross above-mentioned each fuel gas supply nozzle 23C~23F and each combustion-supporting gas supply nozzle 25C~25F by fuel gas and combustion-supporting Gas supply is burnt to each burner 21 in each burner column 21C~21F of first~the 4th, from first~the 4th this Each burner 21 in four row burner column 21C~21F sprays wide cut flame on the thickness direction of attachment 1, by this wide cut The whole thickness direction of the flame attachment 1 to being attached on hot-metal bottle 10 heat and make it soften.
Then, it is made like this whole thickness direction of the attachment 1 being attached on hot-metal bottle 10 being heated After softening, as shown in figure (B), above-mentioned combustion control device 30 close and be located to being located remotely from hot-metal bottle 10 and attachment 1 Between interface position third and fourth burner column 21E, 21F in fuel gas guide portion 22D supply fuel gas Fuel gas supply pipe 51D on switch valve 52D and be located to the third and fourth combustion-supporting gas guide portion 24E, 24F supply help Switch valve 62D on second combustion-supporting gas supply pipe 61D of combustion gas body, stops being located remotely between hot-metal bottle 10 and attachment 1 The burning of each burner 21 in third and fourth burner column 21E, 21F of the position at interface, only makes to be located adjacent to molten iron Between tank 10 and attachment 1, each burner 21 in first and second burner column 21C, 21D of the position at interface burns, and makes Only spray in the segment set of the attachment 1 of near interface along the flame at interface between hot-metal bottle 10 and the attachment 1 softened Penetrate, thus will attach to the attachment 1 on hot-metal bottle 10 and remove from hot-metal bottle 10.
Take this, even if under the occasion that the thickness of the attachment 1 being attached on hot-metal bottle 10 is big, it is also possible to simply by attached The attachment 1 on hot-metal bottle 10 to remove from hot-metal bottle 10.
Symbol description
1: attachment
10: hot-metal bottle
11: refractory material
20: burner apparatus
21: burner
21A~21F: burner column
22A~22D: fuel gas guide portion
23A~23F: fuel gas supply nozzle
24A~24F: combustion-supporting gas guide portion
25A~25F: combustion-supporting gas supply nozzle
26: recess
30: combustion control device
40: position control
50: fuel gas feeding device
51A~51D: fuel gas supply pipe
52A~52D: switch valve
61A~61D: combustion-supporting gas supply pipe
62A~62D: switch valve
L: the interval between burner and attachment

Claims (7)

1. the attachment of a hot-metal bottle removes method, it is characterised in that at the ferrum removing the attachment being attached on hot-metal bottle In the attachment removing method of water pot, use to the burner apparatus of described attachment jet flames, control described burner dress The combustion control device putting the burning of middle burner and the position control of the position controlling described burner apparatus, make this Burner apparatus is along the Interface Moving between hot-metal bottle and attachment, simultaneously by described attachment and the combustion in burner apparatus Separation control between burner, in the range of 100mm~500mm, makes the described burner part jet flames to attachment, Thus described attachment is removed from hot-metal bottle.
2. the attachment of a hot-metal bottle removes method, it is characterised in that at the ferrum removing the attachment being attached on hot-metal bottle In the attachment removing method of water pot, use to the burner apparatus of described attachment jet flames, control described burner dress The combustion control device putting the burning of middle burner and the position control of the position controlling described burner apparatus, control The position of burner apparatus is so that from the flame of described burner apparatus along the side at interface between hot-metal bottle and attachment Upwards spray, this burner apparatus on the thickness direction of attachment, spray the flame of wide cut and the whole thickness to attachment Direction is heated, the most only the part jet flames to the attachment of near interface, thus by described attachment from hot-metal bottle Upper removing.
3. the attachment of hot-metal bottle as claimed in claim 1 or 2 removes method, it is characterised in that use the front end of burner Portion is provided with the device of the recess of stable flame as described burner apparatus.
4. the attachment of the hot-metal bottle as according to any one of claims 1 to 3 removes method, it is characterised in that uses and is provided with Multiple row by the device of the burner column of multiple burner arrangement as described burner apparatus.
5. the deposit removing device of a hot-metal bottle, it is characterised in that at the ferrum removing the attachment being attached on hot-metal bottle In the deposit removing device of water pot, it is provided with the burner apparatus to described attachment jet flames, controls described burner The combustion control device of the burning of burner and control the position control of position of described burner apparatus in device;By Described position control make described burner apparatus along the Interface Moving between hot-metal bottle and attachment, simultaneously by described attached The Separation control between the burner in thing and burner apparatus in the range of 100mm~500mm, from described burner to The part jet flames of attachment, thus described attachment is removed from hot-metal bottle.
6. the deposit removing device of a hot-metal bottle, it is characterised in that at the ferrum removing the attachment being attached on hot-metal bottle In the deposit removing device of water pot, it is provided with the burner being provided with multiple row by the burner column of multiple burner arrangement Device, control the combustion control device of the burning of burner in each burner column of described burner apparatus and control described combustion The position control of the position of burner device;The position of burner apparatus is controlled so that from institute by described position control The flame stating burner apparatus is spraying, simultaneously by described Combustion System on the direction at interface between hot-metal bottle and attachment In each burner column of the device described burner apparatus of control, the burning of burner, sprays wide cut on the thickness direction of attachment Flame and the whole thickness direction of attachment is heated, the most only part jet bubble reactor to the attachment of near interface Flame, thus described attachment is removed from hot-metal bottle.
7. the deposit removing device of the hot-metal bottle as described in claim 5 or 6, it is characterised in that make described burner apparatus Each burner column be arranged in arc-shaped.
CN201580021019.7A 2014-04-23 2015-04-10 The attachment of hot-metal bottle removes the deposit removing device of method and hot-metal bottle Active CN106232266B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2014-088840 2014-04-23
JP2014088840A JP5827368B2 (en) 2014-04-23 2014-04-23 Method for removing deposits from hot metal ladle and apparatus for removing deposits from hot metal ladle
PCT/JP2015/061198 WO2015163162A1 (en) 2014-04-23 2015-04-10 Method for removing deposits in hot-metal ladle, and device for removing deposits in hot-metal ladle

Publications (2)

Publication Number Publication Date
CN106232266A true CN106232266A (en) 2016-12-14
CN106232266B CN106232266B (en) 2019-06-28

Family

ID=54332329

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201580021019.7A Active CN106232266B (en) 2014-04-23 2015-04-10 The attachment of hot-metal bottle removes the deposit removing device of method and hot-metal bottle

Country Status (5)

Country Link
JP (1) JP5827368B2 (en)
KR (1) KR20160103142A (en)
CN (1) CN106232266B (en)
TW (1) TWI573635B (en)
WO (1) WO2015163162A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102088450B1 (en) * 2018-03-14 2020-03-12 주식회사 포스코 Transporting Apparatus and Method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05177342A (en) * 1992-01-06 1993-07-20 Sumitomo Metal Ind Ltd Method for removing deposition in molten metal vessel and removing burner
JPH08174204A (en) * 1994-12-27 1996-07-09 Sumitomo Metal Ind Ltd Method for maintaining ladle
JPH08309516A (en) * 1995-05-18 1996-11-26 Nippon Steel Corp Treatment of tundish reused in hot-state
JP2002307163A (en) * 2001-04-11 2002-10-22 Nkk Corp Method for removing slag intruded into skull and apparatus therefor
CN2782260Y (en) * 2005-04-13 2006-05-24 石家庄钢铁股份有限公司 Billet knob cutting remover
JP2009085586A (en) * 2007-09-12 2009-04-23 Taiheiyo Cement Corp Burner for adjusting thickness of deposit on rotary kiln and method for adjusting thickness of deposit
JP2013031859A (en) * 2011-08-01 2013-02-14 Chugai Ro Co Ltd Combustion device, runner cleaning method for vessel for molten metal

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0810938A (en) 1994-06-28 1996-01-16 Kawasaki Steel Corp Device for removing adhering matter to ladle
FR2787050B1 (en) * 1998-12-10 2001-02-09 Safmatic INSTALLATION FOR CUTTING METALS PROVIDED WITH A CUTTING TORCH AND A CAPACITIVE PROBE
JP2002089822A (en) * 2000-09-19 2002-03-27 Akira Minowa Ash melting apparatus
JP4332192B2 (en) * 2007-11-28 2009-09-16 新日本製鐵株式会社 Hot scarf
JP5606152B2 (en) 2010-05-24 2014-10-15 株式会社神戸製鋼所 How to remove ladles from ladle
CN102284698B (en) * 2011-08-10 2013-03-27 无锡巨力重工股份有限公司 Automatic flame cleaning device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05177342A (en) * 1992-01-06 1993-07-20 Sumitomo Metal Ind Ltd Method for removing deposition in molten metal vessel and removing burner
JPH08174204A (en) * 1994-12-27 1996-07-09 Sumitomo Metal Ind Ltd Method for maintaining ladle
JPH08309516A (en) * 1995-05-18 1996-11-26 Nippon Steel Corp Treatment of tundish reused in hot-state
JP2002307163A (en) * 2001-04-11 2002-10-22 Nkk Corp Method for removing slag intruded into skull and apparatus therefor
CN2782260Y (en) * 2005-04-13 2006-05-24 石家庄钢铁股份有限公司 Billet knob cutting remover
JP2009085586A (en) * 2007-09-12 2009-04-23 Taiheiyo Cement Corp Burner for adjusting thickness of deposit on rotary kiln and method for adjusting thickness of deposit
JP2013031859A (en) * 2011-08-01 2013-02-14 Chugai Ro Co Ltd Combustion device, runner cleaning method for vessel for molten metal

Also Published As

Publication number Publication date
WO2015163162A1 (en) 2015-10-29
KR20160103142A (en) 2016-08-31
TWI573635B (en) 2017-03-11
JP5827368B2 (en) 2015-12-02
TW201545820A (en) 2015-12-16
CN106232266B (en) 2019-06-28
JP2015206095A (en) 2015-11-19

Similar Documents

Publication Publication Date Title
JP5336090B2 (en) Multifunctional injector and associated combustion process for metallurgical processing in arc furnaces
JP6149316B2 (en) Swirl burner and process for combustion melting in liquid
JP6031591B2 (en) Burning burner
HRP20190765T1 (en) Submerged combustion melter
JP2013195044A (en) Combustion device and heating furnace
CN106232266A (en) The attachment of hot-metal bottle removes method and the deposit removing device of hot-metal bottle
TWI584889B (en) Combustion device and runner cleaning method of melting metal container
JP2014052162A (en) Exhaust gas facility
JPWO2012035793A1 (en) Combustion apparatus and melting furnace for melting furnace
JP5459836B2 (en) Burner tile for auxiliary burner in combustion chamber of waste gasification melting furnace
CN204308152U (en) The novel level and smooth burner of continuous casting billet flame descaling machine
JP2014189429A (en) Glass melting furnace
JP6993844B2 (en) Deposit removal device and deposit removal method for molten metal containers
US2397349A (en) Bevel cutting tip
JP5812618B2 (en) Combustion apparatus and melting furnace for melting furnace
JP6579116B2 (en) Glass melting burner, glass melting furnace, glass melting method and glass manufacturing method
KR100419171B1 (en) Method for preventing formation of coating sinter in furnace
CN103924016A (en) Method of changing slag notch cooler of blast furnace
CN202715982U (en) Welding preheating device
JP7326987B2 (en) Auxiliary burner for flash smelting furnace and method for manufacturing auxiliary burner
RU2013132379A (en) Direct smelting process
MX2022004852A (en) Method for producing molten iron using electric furnace.
JP2018008856A (en) Glass melting furnace
JPS643580Y2 (en)
JP2000346335A (en) Surface melting furnace

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant