CN108796171A - A kind of pre-deoxidation device and its application method being blown carbon dust in converter taphole - Google Patents
A kind of pre-deoxidation device and its application method being blown carbon dust in converter taphole Download PDFInfo
- Publication number
- CN108796171A CN108796171A CN201810977185.XA CN201810977185A CN108796171A CN 108796171 A CN108796171 A CN 108796171A CN 201810977185 A CN201810977185 A CN 201810977185A CN 108796171 A CN108796171 A CN 108796171A
- Authority
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- China
- Prior art keywords
- carbon dust
- feed pipe
- converter
- cylinder
- blown
- 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
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 50
- 239000000428 dust Substances 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000010079 rubber tapping Methods 0.000 claims abstract description 27
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000001788 irregular Effects 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 12
- 239000010959 steel Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 2
- 238000012856 packing Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 150000001398 aluminium Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- VASIZKWUTCETSD-UHFFFAOYSA-N manganese(II) oxide Inorganic materials [Mn]=O VASIZKWUTCETSD-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/06—Deoxidising, e.g. killing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
- C21C7/0043—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material into the falling stream of molten metal
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The invention discloses a kind of in converter taphole is blown the pre-deoxidation device and its application method of carbon dust, including pedestal and converter, the converter includes furnace bottom, shaft, furnace shell, furnace lining and tapping hole, panel is supported there are two being symmetrically fixedly connected on the pedestal, the side that two support panels are located remotely from each other is equipped with servo motor and retarder by support base, input shaft and output shaft are rotatably connected on two retarders, the one end of the input shaft far from retarder is fixed on corresponding servo motor.Advantage is：The present invention is by carbon dust by way of wind, it is blown into inside converter by tapping hole, convenient for carbon dust adequately with converter inside steel contacts, avoid the generation of carbon dust packing phenomenon, so that carbon dust is more dissolved into molten steel, pre-deoxidation effect is improved, this process is not necessarily to deoxidier, it avoids generating unnecessary impurity, reduces unnecessary subsequent operation.
Description
Technical field
The present invention relates to convertor deacidification technical field more particularly to a kind of pre-deoxidations being blown carbon dust in converter taphole
Device and its application method.
Background technology
Converter belongs to one kind of converter, not by external energy, is leaned on using molten iron, steel scrap, ferroalloy as primary raw material
Chemical reaction generates heat and completes steelmaking process in converter between the physical thermal and iron liquid component of iron liquid itself.
Convertor steelmaking process, which needs to increase oxygen-supplying amount, carries out dephosphorization under oxidizing atmosphere, after dephosphorization under oxidizing atmosphere, can be rich in molten steel
More oxygen, needs to carry out deoxidation treatment to molten steel, and there are two types of modes at present carries out deoxidation treatment to molten steel；
（1）, addition deoxidier, deoxidier be generally the substance containing Al, Si, Mn, Ca, Mg, possess very strong deoxidizing capacity, still
There are certain deficiencies for which：These deoxidiers can generate Al2O3, SiO2, MnO, CaO, MgO etc. after being reacted with oxygen and be mingled with
Matter, these, which are mingled with confrontation steel, prodigious harm, needs to remove by subsequent Argon or refining procedure, the long period blows
Argon and refining can increase production cost；
（2）, using converter tapping go in ladle add part carbon dust be used for pre-deoxidation, converter tapping process later stage to
The strong deoxidier of aluminium class is added in ladle and is used for deep deoxidation, and adds alloy adjustment molten steel composition, but which exists centainly
It is insufficient：Toner density is small, and after being added in ladle, most of carbon dust is easily packed together, and part carbon dust is undissolved in molten steel, makes
It is poor to obtain pre-deoxidation effect.
Invention content
The purpose of the present invention is to solve deficiencies in background technology, and the one kind proposed is blown carbon in converter taphole
The pre-deoxidation device and its application method of powder.
To achieve the goals above, present invention employs following technical solutions：
A kind of pre-deoxidation device and its application method being blown carbon dust in converter taphole, including pedestal and converter, described turn
Stove includes furnace bottom, shaft, furnace shell, furnace lining and tapping hole, is symmetrically fixedly connected on the pedestal there are two supporting panel, two
The side that is located remotely from each other of support panel is equipped with servo motor and retarder by support base, on two retarders
It is rotatably connected to input shaft and output shaft, the one end of the input shaft far from retarder is fixed on corresponding servo motor
On, the one end of the output shaft far from retarder is through support panel and is fixedly connected on furnace lining；
It being fixedly connected on the pedestal there are four supporting rack, the upper end of four support frames as described above is fixedly connected with support base jointly,
Buffer bin is installed on the support base, the end of the buffer bin is communicated with discharge nozzle, electricity is equipped on the discharge nozzle
Magnet valve is fixedly connected with mounting bracket between two support frames as described above in left side, and the upper end of the mounting bracket is equipped with air blast
Machine, the air blower are equipped with the first feed pipe by pipe jointer, and the lower end of the discharge nozzle and the first feed pipe are mutual
Connection, the described one end of first feed pipe far from pipe jointer is equipped with the second feed pipe by feed hose, pipe collar；
The upper surface of the support base is equipped with movable block by moving structure, and the movable block, which is fixed by the connecting rod, to be equipped with admittedly
Determine block, the lower end of the fixed block offers arc groove, and second feed pipe is fixed on the inner wall of arc groove.
In a kind of pre-deoxidation device of above-mentioned injection carbon dust in converter taphole, it is fixedly connected on the furnace lining
The both ends of two supporting rods, two supporting rods are fixedly connected with there are one T-shaped block, and two support panels are close to each other
Side open up there are one T-slot, two T-shaped blocks positioned at the same side are located on corresponding T-slot.
It is fixed on second feed pipe in a kind of pre-deoxidation device of above-mentioned injection carbon dust in converter taphole
Cover cylinder is installed.
In a kind of pre-deoxidation device of above-mentioned injection carbon dust in converter taphole, the moving structure includes cylinder
And telescopic rod, the upper surface of the support base are fixedly mounted there are one cylinder, and telescopic rod is equipped on the cylinder, it is described flexible
The one end of bar far from cylinder is fixed on movable block.
In a kind of pre-deoxidation device of above-mentioned injection carbon dust in converter taphole, two are offered on the support base
A strip through-hole, and connecting rod is located on corresponding strip through-hole.
In a kind of pre-deoxidation device of above-mentioned injection carbon dust in converter taphole, the inside of the buffer bin is installed
There is irregular funnel.
In a kind of pre-deoxidation device of above-mentioned injection carbon dust in converter taphole, the lower surface of the support base is solid
Dingan County is equipped with supporting block, circular through hole is offered in the supporting block, and one end of the first feed pipe passes through circular through hole.
A kind of application method for the pre-deoxidation device being blown carbon dust in converter taphole, includes the following steps：
S1：Cylinder is opened, telescopic rod elongation is driven when cylinder operation, drives movable block to be moved by telescopic rod, movable block
It is mobile to be moved by connecting rod, fixed block the second feed pipe of drive so that the second feed pipe is contacted with tapping hole, second into
Expects pipe movement drives feed hose to stretch by pipe collar so that feed hose is in fully unfolded position, is then shut off cylinder；
S2：Air blower is opened, the wind that air blower work generates can pass sequentially through the first feed pipe, feed hose, the second feed pipe
It enters in tapping hole；
S3：Open solenoid valve so that the carbon dust placed in buffer bin is entered by discharge nozzle in the first feed pipe, and air blast is passed through
The wind that machine work generates is blown into tapping hole；
S4：After pre-deoxidation, solenoid valve is first closed, air blower is then shut off, is finally again turned on cylinder, controlled by cylinder
Telescopic rod shortens so that the second feed pipe and tapping hole separation.
Compared with prior art, the invention has the advantages that：
1：Carbon dust is blown into tapping hole by the wind generated by air blower work, can make that carbon dust is logical by the way of being blown into
It crosses tapping hole and enters dispersion in shaft more, more and steel contacts, improve deoxidation effect.
2：Using tapping hole, feed hose, the second feed pipe as toner conveying pipe, the setting of feed hose is convenient for second
The movement of feed pipe so that the operation that carbon dust is blown into will not have an impact the normal rotation of converter.
3：In converter rotation process, a degree of shaking, extension supporting bar, T-shaped block and T can occur for internal liquid
Shape slot improves the stability in furnace bottom rotation process.
4：The setting of cover cylinder prevents carbon dust splashes, the second feed pipe from not stretching into tapping hole, avoids high inside converter
Geothermal liquid causes unnecessary influence to the second feed pipe.
In conclusion the present invention by carbon dust by way of wind, be blown into inside converter by tapping hole, be convenient for carbon dust
Adequately with steel contacts inside converter, the generation of carbon dust packing phenomenon is avoided so that carbon dust is more dissolved into molten steel, is carried
High pre-deoxidation effect, this process are not necessarily to deoxidier, avoid generating unnecessary impurity, reduce unnecessary subsequent operation.
Description of the drawings
Fig. 1 is a kind of pre-deoxidation device being blown carbon dust in converter taphole proposed by the present invention and its application method
Structural schematic diagram；
Fig. 2 is a kind of pre-deoxidation device being blown carbon dust in converter taphole proposed by the present invention and its taps in application method
The structural side view of oral area point；
Fig. 3 is a kind of pre-deoxidation device being blown carbon dust in converter taphole proposed by the present invention and its is supported in application method
The structure sectional view of faceplate part；
Fig. 4 is the portions B in a kind of pre-deoxidation device being blown carbon dust in converter taphole proposed by the present invention and its application method
The structure enlargement diagram divided；
Fig. 5 is the portions A in a kind of pre-deoxidation device being blown carbon dust in converter taphole proposed by the present invention and its application method
The structure enlargement diagram divided；
Fig. 6 is a kind of pre-deoxidation device being blown carbon dust in converter taphole proposed by the present invention and its is supported in application method
The sectional view of seating portion.
In figure：1- pedestals, 2- furnace bottoms, 3- shafts, 4- furnace shells, 5- furnace linings, 6- tapping holes, 7- support panel, 8- support bases,
9- servo motors, 10- input shafts, 11- retarders, 12- output shafts, 13- supporting rods, 14- T-shaped blocks, 15- T-slots, 16- branch
Support, 17- support bases, 18- buffer bins, the irregular funnels of 19-, 20- discharge nozzles, 21- solenoid valves, 22- mounting brackets, 23- air blast
Machine, 24- pipe jointers, the first feed pipes of 25-, 26- pipe collars, 27- feed hoses, the second feed pipes of 28-, 29- covers cylinder, 30-
Cylinder, 31- telescopic rods, 32- movable blocks, 33- connecting rods, 34- fixed blocks, 35- strip through-holes, 36- supporting blocks, 37- circles are logical
Hole.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term "upper", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Referring to Fig.1-6, a kind of pre-deoxidation device and its application method being blown carbon dust in converter taphole, including pedestal
1 and converter, converter includes furnace bottom 2, shaft 3, furnace shell 4, furnace lining 5 and tapping hole 6, be symmetrically fixedly connected on pedestal 1 there are two
Support panel 7, the side that two support panels 7 are located remotely from each other that servo motor 9 and retarder 11 are installed by support base 8,
Input shaft 10 and output shaft 12 are rotatably connected on two retarders 11, the one end of input shaft 10 far from retarder 11 is fixed on
On corresponding servo motor 9, the one end of output shaft 12 far from retarder 11 is through support panel 7 and is fixedly connected on furnace lining 5
On.
The setting of retarder preferably controls the rotation of converter, servo motor 9 convenient for the velocity of rotation of control output shaft 12
End band driven input shaft 10 is driven to be rotated when work, input shaft 10 drives output shaft 12 to be rotated by retarder 11, leads to
Crossing output shaft 12 drives furnace lining 5 to be rotated, and then drives the rotation of converter.
It is fixedly connected on furnace lining 5 there are two supporting rod 13, the both ends of two supporting rods 13 are fixedly connected with that there are one T-shaped blocks
14, two support panel 7 sides close to each other open up two T-shaped blocks 14 difference for being located at the same side there are one T-slot 15
On corresponding T-slot 15, when converter stops operating, the inner wall of T-slot 15 there is the support of one end to make T-shaped block 14
With, and then there is certain supporting role to converter, improve the stability of converter.
Supporting rack 16 there are four being fixedly connected on pedestal 1, the upper end of four supporting racks 16 is fixedly connected with support base jointly
17, buffer bin 18 is installed on support base 17, and the end of buffer bin 18 is communicated with discharge nozzle 20, electricity is equipped on discharge nozzle 20
The inside of magnet valve 21, buffer bin 18 is placed with carbon dust, and the inside of buffer bin 18 is equipped with irregular funnel 19, irregular funnel 19
Setting can smoothly enter into discharge nozzle 20 convenient for the carbon dust of 18 bottom of buffer bin.
It is fixedly connected with mounting bracket 22 between two supporting racks 16 in left side, the upper end of mounting bracket 22 is equipped with air blast
Machine 23, air blower 23 are equipped with the first feed pipe 25, the lower end of discharge nozzle 20 and the first feed pipe 25 by pipe jointer 24
Be interconnected, first one end of feed pipe 25 far from pipe jointer 24 by feed hose 27, pipe collar 26 be equipped with second into
Expects pipe 28.
The lower surface of support base 17 is installed with supporting block 36, and circular through hole 37, and first are offered in supporting block 36
One end of feed pipe 25 passes through circular through hole 37, is interference fit, supporting block 36 between the first feed pipe 25 and circular through hole 37
Certain support fixed function is played to the first feed pipe 25.
Cover cylinder 29 is installed on second feed pipe 28, the second feed pipe 28 is not tight silk when being contacted with tapping hole 6
The setting of joint close, cover cylinder 29 prevents carbon dust splashes, the second feed pipe 28 from not stretching into tapping hole 6, avoids high inside converter
Geothermal liquid causes unnecessary influence to the second feed pipe 28.
The upper surface of support base 17 is equipped with movable block 32 by moving structure, and moving structure includes cylinder 30 and telescopic rod
31, the upper surface of support base 17 is fixedly mounted there are one cylinder 30, is equipped with telescopic rod 31 on cylinder 30, telescopic rod 31 is far from gas
One end of cylinder 30 is fixed on movable block 32.
Movable block 32 is installed with fixed block 34 by connecting rod 33, and the lower end of fixed block 34 offers arc groove,
Second feed pipe 28 is fixed on the inner wall of arc groove, is opened up on support base 17 there are two strip through-hole 35, and connecting rod 33
It is located on corresponding strip through-hole 35, the movement of connecting rod 33 is convenient in the setting of strip through-hole 35.
A kind of application method for the pre-deoxidation device being blown carbon dust in converter taphole, includes the following steps：
S1：Cylinder 30 is opened, drives telescopic rod 31 to extend when cylinder 30 works, drives movable block 32 to be moved by telescopic rod 31
Dynamic, the movement of movable block 32 drives the second feed pipe 28 to be moved by connecting rod 33, fixed block 34 so that the second feed pipe 28
It is contacted with tapping hole 6, the movement of the second feed pipe 28 drives feed hose 27 to stretch by pipe collar 26 so that feed hose 27 is in
Fully unfolded position is then shut off cylinder 30；
S2：Air blower 23 is opened, the wind that the work of air blower 23 generates can pass sequentially through the first feed pipe 25, feed hose 27, the
Two feed pipes 28 enter in tapping hole 6；
S3：Open solenoid valve 21 so that the carbon dust placed in buffer bin 18 is entered by discharge nozzle 20 in the first feed pipe 25,
The wind generated by the work of air blower 23 is blown into tapping hole 6；
S4：After pre-deoxidation, solenoid valve 21 is first closed, air blower 23 is then shut off, is finally again turned on cylinder 30, passes through gas
Cylinder 30, which controls telescopic rod 31, to be shortened so that the second feed pipe 28 and tapping hole 6 detach.
It further illustrates, it is above-mentioned to be fixedly connected unless specifically defined or limited otherwise, otherwise to shall be understood in a broad sense, example
Such as, it can be welding, can also be gluing, or be integrally formed the customary means well known to those skilled in the art such as setting.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of pre-deoxidation device being blown carbon dust in converter taphole, including pedestal（1）And converter, the converter include stove
Bottom（2）, shaft（3）, furnace shell（4）, furnace lining（5）And tapping hole（6）, which is characterized in that the pedestal（1）Upper symmetrical fixed company
Panel is supported there are two connecing（7）, two support panels（7）The side being located remotely from each other passes through support base（8）It is equipped with and watches
Take motor（9）And retarder（11）, two retarders（11）On be rotatably connected to input shaft（10）And output shaft（12）,
The input shaft（10）Far from retarder（11）One end be fixed on corresponding servo motor（9）On, the output shaft（12）
Far from retarder（11）One end through support panel（7）And it is fixedly connected on furnace lining（5）On；
The pedestal（1）On be fixedly connected there are four supporting rack（16）, four support frames as described above（16）Upper end jointly fixed connect
It is connected to support base（17）, the support base（17）On be installed with buffer bin（18）, the buffer bin（18）End be communicated with
Discharge nozzle（20）, the discharge nozzle（20）On solenoid valve is installed（21）, it is located at two support frames as described above in left side（16）Between
It is fixedly connected with mounting bracket（22）, the mounting bracket（22）Upper end air blower is installed（23）, the air blower（23）Pass through
Pipe jointer（24）First feed pipe is installed（25）, the discharge nozzle（20）Lower end and the first feed pipe（25）Mutually interconnect
It is logical, first feed pipe（25）Far from pipe jointer（24）One end pass through feed hose（27）, pipe collar（26）It is equipped with
Second feed pipe（28）；
The support base（17）Upper surface by moving structure be equipped with movable block（32）, the movable block（32）Pass through connecting rod
（33）It is installed with fixed block（34）, the fixed block（34）Lower end offer arc groove, second feed pipe
（28）It is fixed on the inner wall of arc groove.
2. a kind of pre-deoxidation device being blown carbon dust in converter taphole according to claim 1, which is characterized in that institute
State furnace lining（5）On be fixedly connected there are two supporting rod（13）, two supporting rods（13）Both ends be fixedly connected with there are one T
Shape block（14）, two support panels（7）Side close to each other is opened up there are one T-slot（15）, it is located at the same side
Two T-shaped blocks（14）It is located at corresponding T-slot（15）On.
3. a kind of pre-deoxidation device being blown carbon dust in converter taphole according to claim 1, which is characterized in that institute
State the second feed pipe（28）On be installed with cover cylinder（29）.
4. a kind of pre-deoxidation device being blown carbon dust in converter taphole according to claim 1, which is characterized in that institute
It includes cylinder to state moving structure（30）And telescopic rod（31）, the support base（17）Upper surface be fixedly mounted there are one cylinder
（30）, the cylinder（30）On telescopic rod is installed（31）, the telescopic rod（31）Far from cylinder（30）One end be fixed on shifting
Motion block（32）On.
5. a kind of pre-deoxidation device being blown carbon dust in converter taphole according to claim 1, which is characterized in that institute
State support base（17）On open up there are two strip through-hole（35）, and connecting rod（33）It is located at corresponding strip through-hole（35）
On.
6. a kind of pre-deoxidation device being blown carbon dust in converter taphole according to claim 1, which is characterized in that institute
State buffer bin（18）Inside irregular funnel is installed（19）.
7. a kind of pre-deoxidation device being blown carbon dust in converter taphole according to claim 1, which is characterized in that institute
State support base（17）Lower surface be installed with supporting block（36）, the supporting block（36）On offer circular through hole（37）,
And first feed pipe（25）One end pass through circular through hole（37）.
8. a kind of application method of pre-deoxidation device being blown carbon dust in converter taphole according to claim 1,
It is characterized in that, includes the following steps：
S1：Open cylinder（30）, cylinder（30）Telescopic rod is driven when work（31）Elongation, passes through telescopic rod（31）Drive movable block
（32）It is moved, movable block（32）Movement passes through connecting rod（33）, fixed block（34）Drive the second feed pipe（28）It is moved
It is dynamic so that the second feed pipe（28）With tapping hole（6）Contact, the second feed pipe（28）Movement passes through pipe collar（26）Drive charging soft
Pipe（27）It stretches so that feed hose（27）In fully unfolded position, it is then shut off cylinder（30）；
S2：Open air blower（23）, air blower（23）The wind that work generates can pass sequentially through the first feed pipe（25）, feed hose
（27）, the second feed pipe（28）Enter tapping hole（6）In；
S3：Open solenoid valve（21）So that buffer bin（18）The carbon dust of middle placement passes through discharge nozzle（20）Enter the first charging
Pipe（25）It is interior, pass through air blower（23）The wind that work generates is blown into tapping hole（6）In；
S4：After pre-deoxidation, solenoid valve is first closed（21）, it is then shut off air blower（23）, finally it is again turned on cylinder（30）,
Pass through cylinder（30）Control telescopic rod（31）Shorten so that the second feed pipe（28）And tapping hole（6）Separation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810977185.XA CN108796171B (en) | 2018-08-26 | 2018-08-26 | A kind of pre-deoxidation device and its application method being blown carbon dust in converter taphole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810977185.XA CN108796171B (en) | 2018-08-26 | 2018-08-26 | A kind of pre-deoxidation device and its application method being blown carbon dust in converter taphole |
Publications (2)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109680115A (en) * | 2019-01-31 | 2019-04-26 | 武汉科技大学 | A kind of deoxidation and microalloying method for molten steel |
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| CN106048136A (en) * | 2016-07-27 | 2016-10-26 | 北京科技大学 | Online steelmaking tapping process powder injection deoxidizing method and system |
| CN108251596A (en) * | 2018-04-11 | 2018-07-06 | 北京科技大学 | A kind of fixed converter tapping hole dual-nozzle configuration |
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| KR20020051968A (en) * | 2000-12-21 | 2002-07-02 | 이구택 | Deoxidation method during tapping in BOF process |
| KR20090059943A (en) * | 2007-12-07 | 2009-06-11 | 주식회사 포스코 | Method for supplying carbon for deoxidation of hot metal in electric furnace |
| CN102994695A (en) * | 2012-12-12 | 2013-03-27 | 辽宁科技大学 | Moistureproof LF bottom-blown dusting device |
| CN106048136A (en) * | 2016-07-27 | 2016-10-26 | 北京科技大学 | Online steelmaking tapping process powder injection deoxidizing method and system |
| CN108251596A (en) * | 2018-04-11 | 2018-07-06 | 北京科技大学 | A kind of fixed converter tapping hole dual-nozzle configuration |
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