CN109385504A - A kind of device and method using induction furnace and electric slag liquid casting steel-making - Google Patents
A kind of device and method using induction furnace and electric slag liquid casting steel-making Download PDFInfo
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- CN109385504A CN109385504A CN201811426334.XA CN201811426334A CN109385504A CN 109385504 A CN109385504 A CN 109385504A CN 201811426334 A CN201811426334 A CN 201811426334A CN 109385504 A CN109385504 A CN 109385504A
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- 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
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- 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
- C21C7/10—Handling in a vacuum
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/16—Remelting metals
- C22B9/18—Electroslag remelting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
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- Metallurgy (AREA)
- Organic Chemistry (AREA)
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- Mechanical Engineering (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The invention discloses a kind of devices using induction furnace and electric slag liquid casting steel-making, including the induction furnace, vacuum degassing furnace and electric slag liquid casting furnace set gradually, the vacuum degassing furnace is provided with suction tube and liquid pushing tube, the suction tube is plugged in induction furnace, the liquid pushing tube is plugged in electric slag liquid casting furnace, and the liquid level in the electric slag liquid casting furnace is lower than the liquid level in induction furnace；And a kind of method for making steel is disclosed, protected the molten steel in induction furnace using siphonage and is poured into electric slag liquid casting furnace.The present invention has many advantages, such as that safety coefficient is high, workshop takes up little area, high production efficiency, production and cost of investment is low, product quality is excellent.
Description
Technical field
The present invention relates to technical field of ferrous metallurgy, and in particular to it is a kind of using induction furnace and electric slag liquid casting steel-making
Device and method.
Background technique
Electroslag remelting is that the Joule heat generated when passing through slag using electric current carries out the side of melting again as heat source to slab
Method.Because the ESR ingot of its production has, the defects of dense structure, loose and segregation few, field trash small and dispersed, cleanliness are high, change
Study point uniformly, the advantages that surface is smooth, be widely used in producing high-quality special steel.
The method that tradition smelts special steel ESR ingot is to be cast into casting by the way of film casting/continuous casting after liquid liquid steel refining
Slab refuse is formed ESR ingot at molten steel, crystallisation by cooling followed by electroslag refining furnace by base.Fig. 1 is shown in its production procedure.
In traditional smelting process, liquid molten steel-continuous casting crystallining forms slab-electroslag remelting heating fusing and forms the " high of molten steel
Temperature-low temperature-high temperature " process causes a large amount of heat loss, while the preparation of metal consumable electrode is so that complex procedures, production
Period is long, the production cost increases.
Molten steel after ladle refining is injected into the middle packet with induction heating by existing electric slag liquid pouring method, then will
Middle packet moves on electric slag liquid casting furnace, the liquid molten steel of middle packet is injected into electric slag liquid casting furnace, crystallisation by cooling is formed
Fig. 1 is shown in ESR ingot, production procedure.
But the molten steel in ladle is injected into middle packet procedures by this method, secondary oxidation, the field trash of Yi Yinqi molten steel
Content increases；The middle packet for filling molten steel is placed on electric slag liquid casting furnace simultaneously, increases the height of equipment platform, middle packet is sat
It falls on electric slag liquid casting furnace, danger coefficient increases；, small-scale production spy more for the product variety of electroslag remelting industry
Point uses packet in electric arc furnaces/converter-LF furnace-induction-electric slag liquid casting production technology, still not due to a lack of flexibility
It is able to satisfy electroslag remelting industry characteristic, there is limitation.
Summary of the invention
The technical problem to be solved in the present invention is to provide it is a kind of using induction furnace and electric slag liquid casting steel-making device and
Method, has that safety coefficient is high, workshop takes up little area, high production efficiency, that production and cost of investment are low, product quality is excellent etc. is excellent
Point.
In order to solve the above-mentioned technical problems, the present invention provides a kind of dresses using induction furnace and electric slag liquid casting steel-making
It sets, including the induction furnace, vacuum degassing furnace and electric slag liquid casting furnace set gradually, the vacuum degassing furnace is provided with suction tube
And liquid pushing tube, the suction tube are plugged in induction furnace, the liquid pushing tube is plugged in electric slag liquid casting furnace, the electroslag liquid
Liquid level in state casting furnace is lower than the liquid level in induction furnace.
Further, the electric slag liquid casting furnace includes upper conductive crystallization unit and is lauched cold crystallization portion, the upper conduction
It crystallization unit and is lauched cold crystallization portion and cooperatively forms crystallizer, the upper conductive crystallization unit and being lauched between cold crystallization portion is provided with absolutely
Listrium, the cold crystallization portion that is lauched are arranged on mounting platform, are provided with stripping bottom water case, the pumping below the mounting platform
Ingot butt water tank is connect with stripping moving assembly, be additionally provided between the stripping bottom water case and upper conductive crystallization unit AC power source and
High pressure electric brake.
Further, liquid level detecting sensor and lower level sensing sensing are provided on the electric slag liquid casting furnace
Device.
Further, heating and thermal insulation component is provided in the vacuum degassing furnace, the suction tube wall of vacuum degassing furnace is equipped with
Suction tube air blowing component.
It further, further include sealing-plug, the sealing-plug is arranged in liquor charging nozzle.
Further, the induction furnace bottom is provided with induction furnace bottom pneumatic module, and the induction furnace is arranged in induction furnace
On lifting body.
A kind of method for making steel, comprising the following steps:
1) steel, alloy material are placed in induction furnace and carry out heating fusing, carry out slag making, deoxygenated alloy after being smelted into molten steel
Change, BOTTOM ARGON BLOWING refining liquid steel, long-time heating and heat preservation are carried out to molten steel and clinker using induction heating；
2) it after sealing the dummy device in electric slag liquid casting furnace with crystallizer, is melted in crystallizer using slugging arm
The slag charge of predetermined weight, obtains molten slag；
Sealing-plug is arranged in the liquor charging nozzle of vacuum degassing furnace, while opening the heating and thermal insulation component of vacuum degassing furnace；
3) by the molten steel internal upper part of the suction tube insertion induction furnace of vacuum degassing furnace, the vacuum on vacuum degassing furnace is opened
Pump, to vacuum outgas stove evacuation, when molten steel rises to vacuum outgas furnace body and flows into liquid pushing tube, high-temperature molten steel is by liquor charging
The sealing-plug of pipe dissolves, and liquid pushing tube is inserted into electric slag liquid casting furnace at this time, molten steel starts by induction furnace siphon to electroslag liquid
In state casting furnace；
4) start stripping after slag liquid level reaches setting height, be closed at high pressure electric brake, constitute AC power source-height
The upper conductive crystallization unit-molten slag-metal bath-ESR ingot-bottom water case-AC power source current supply circuit of piezoelectricity lock-,
Slag generates a large amount of Joule heat, so that slag is in high temperature fused state, the casting rate of stripping rate and molten steel matches；
5) in smelting process, induction furnace is slowly jacked by the induction furnace lifting body of induction furnace workbench, so that
Liquid level difference in induction furnace in liquid level and electric slag liquid casting furnace between liquid level maintains fixed value；
6) secondary cooling apparatus is opened after steel ingot goes out crystallizer outlet, completes electric slag liquid casting.
Further, the maximum molten steel that the depth capacity of the induction furnace can pump for the suction tube of vacuum degassing furnace is high
Degree.
Further, the air blowing rate control that the molten steel of the vacuum degassing furnace passes through the suction tube air blowing component of suction tube wall
Molten steel processed pours into the rate of electric slag liquid casting furnace.
Beneficial effects of the present invention:
1, investment reduction, manufacturing cost；Using induction furnace-vacuum degassing furnace-electric slag liquid casting mini-mill steelmaking
Mode eliminates molten steel crystallisation by cooling and forms metal electrode-metal electrode in electricity it is required that hall space is small, production procedure is short
" hot-cold-heat " link of heating fusing, reduces production cost in slag remelting furnace.
2, interiors of products quality and surface quality are improved；It is short using induction furnace-vacuum degassing furnace-electric slag liquid casting
Process makes steel mode, smelts high-quality molten steel in induction furnace slag making, deoxidation, reduces molten steel oxygen content by vacuum degassing furnace, will feel
It answers in the high-quality molten steel siphon to electric slag liquid casting furnace in furnace, improves the inside of ESR ingot finally by electric slag liquid casting furnace
Quality and surface quality.
3, flexibility is stronger；It, can using induction furnace-vacuum degassing furnace-electric slag liquid casting mini-mill steelmaking mode
To meet, the small lot of electroslag remelting industry is produced, product category is more, the high feature of quality requirements.
Detailed description of the invention
Fig. 1 is the flow chart of traditional electroslag remelting production and electric slag liquid casting production；
Fig. 2 is overall structure diagram of the invention；
Fig. 3 is pouring procedure flow chart of the invention.
Figure label explanation: 1, induction furnace lifting body；2, induction furnace bottom pneumatic module；3, refining liquid steel；4, the line of induction
Circle；5, induction furnace；6, clinker；7, suction tube air blowing component；8, suction tube；9, vacuum degassing furnace；10, vacuum pump；11, liquor charging
Pipe；12, slag；13, upper conductive crystallization unit；14, insulation board；15, upper liquid level detecting sensor；16, lower liquid level detecting sensor；
17, metal bath；18, it is lauched cold crystallization portion；19, ESR ingot；20, stripping moving assembly；21, stripping bottom water case；22, high-voltage electricity
Lock；23, AC power source；24, electric slag liquid casting furnace.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, so that those skilled in the art can be with
It more fully understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Referring to shown in Fig. 2, the embodiment of the invention using induction furnace 5 and electroslag remelting liquid-state casting steel-smelting device,
Including the induction furnace 5, vacuum degassing furnace 9 and electric slag liquid casting furnace 24 set gradually, induction furnace 5 is built-in with refining liquid steel 3, sense
Furnace 5 is answered to carry out heating and thermal insulation by built-in induction coil 4, vacuum degassing furnace 9 is provided with suction tube 8 and liquid pushing tube 11, vacuum
It is vacuumized on degasification furnace 9 by vacuum pump 10, suction tube 8 is plugged in induction furnace 5, and liquid pushing tube 11 is plugged in electric slag liquid casting
In furnace 24, the liquid level in electric slag liquid casting furnace 24 is lower than the liquid level in induction furnace 5.Vacuum degassing furnace 9 passes through furnace
Vacuum pump 10 on body can reprint the molten steel in induction furnace 5 to vacuum degassing furnace, and molten steel is by flowing into liquid pushing tube
In 11, the entirety of flowing is formed, by the setting of liquid level difference, so that " siphonic effect " generates, so as to which molten steel is continuous
Reprinting is transported in electric slag liquid casting furnace 24, energy-saving without additional reprinting power, and safe and reliable, controllability
It is splendid.
The present invention heats refining liquid steel 3 using induction furnace 5, can also be as the smelting apparatus of steel scrap, by special steel electroslag
The production technology of ingot 19 shorten to 24 production line of induction furnace 5-vacuum degassing furnace, 9-electric slag liquid casting furnace；In induction furnace 5,
Using skim, slagging process, dephosphorization, desulfurization, deoxidation alloying process may be implemented, while bottom blowing ar system is added, is conducive to
Inclusion floating is adsorbed by clinker 6；By vacuum degassing furnace 9 by molten steel " siphon " into electric slag liquid casting furnace 24, both can be with
Molten steel is transported in electric slag liquid casting furnace 24, the secondary oxidation of molten steel can also be avoided, molten steel is carried out at vacuum outgas
Reason；In electric slag liquid casting furnace 24, molten steel obtains chemical refining again, while its top-down heat-conducting mode facilitates steel
Ingot obtains good crystalline structure.
Compared with being driven electroslag remelting production line, present invention reduces process flow, cost is reduced, process is more simple；
Invention also reduces hall spaces, increase safety coefficient, can guarantee have when molten steel pours into electric slag liquid casting furnace 24
Stationary temperature, and more met using the mini-mill steelmaking mode of 5-vacuum degassing furnace of induction furnace, 9-electric slag liquid casting furnace 24
The characteristics of electroslag enterprise product type is more, small-scale production, quality requirements are high, strong flexibility.
Above-mentioned electric slag liquid casting furnace 24 includes upper conductive crystallization unit 13 and is lauched cold crystallization portion 18, upper conduction crystallization unit
It 13 and is lauched cold crystallization portion 18 and cooperatively forms crystallizer, upper conduction crystallization unit 13 and be lauched between cold crystallization portion 18 and be provided with insulation
Plate 14, it is upper conduction crystallization unit 13 be conductive heater slag 12, be lauched cold crystallization portion 18 be steel ingot molding act on, can using steel with
Copper composite structure.
It is lauched cold crystallization portion 18 to be arranged on mounting platform, is provided with stripping bottom water case 21, stripping bottom below mounting platform
Water tank 21 is connect with stripping moving assembly 20, be additionally provided between stripping bottom water case 21 and upper conductive crystallization unit 13 AC power source and
High pressure electric brake 22.When high pressure electric brake 22 is closed, an AC power source-high pressure electric brake 22-above conduction crystallization unit 13-is formed
The current supply circuit of molten slag 12-metal bath, 17-ESR ingot, 19-bottom water, 21-AC power source of case, reaching effectively casting makes
Use purpose.
Liquid level detecting sensor 15 and lower liquid level detecting sensor 16 are provided on above-mentioned electric slag liquid casting furnace 24,
By accurately detecting to Mold liquid level position, reasonable throwing rate is determined.
Since electric slag liquid casting rate is very slow, a heat reaches a few hours, it is therefore desirable to add for a long time in induction furnace 5
Heat heat preservation, is arranged heating and thermal insulation component, heating and thermal insulation component can be MoSi in vacuum degassing furnace 92Resistor rod heating system,
Cooled and solidified when molten steel being avoided to pass slowly vacuum degassing furnace 9, while maintaining the constant of molten steel temperature.
Before use, first pre- in liquid pushing tube 11 fill in sealing-plug, so that the effectively accumulation of guarantee molten steel, reaches siphon mesh
, also guarantee the formation of vacuum.8 side wall of suction tube is provided with suction tube air blowing component 7, can be blown into argon gas in suction tube 8
So as to effectively adjust the height and flow that molten steel enters vacuum degassing furnace 9.
5 bottom of induction furnace is provided with induction furnace bottom pneumatic module 2, is conducive to inclusion floating and is adsorbed by clinker 6.
The application is discussed in detail with specific actual production process below:
It is the method for making steel of one embodiment of the application referring to shown in Fig. 2 and Fig. 3；
Use crucible internal diameter for 0.8 meter, highly be 1.4 meters 4 tons of induction furnaces 3, heating fusing carried out to steel scrap, slag making,
Deoxidation refines molten steel.
The slag making of electric slag liquid casting furnace 24 is fluorite, lime, aluminium oxide and silica with raw material, according to fluorite: lime:
Aluminium oxide: silica=55:20:20:5 ratio is mixed, and slag charge mixture gross mass is 200kg.It will be mixed using preceding
Slag charge is put into baking slag hearth and toasts 5 hours at 700 DEG C or more for use.The crystallizer internal diameter of electric slag liquid casting furnace 24 is 70cm.
Heating fusing is carried out specifically, steel, alloy material are placed in induction furnace 5 first, is made after being smelted into molten steel
Slag, deoxidation alloying refining liquid steel 3 carry out long-time heating and heat preservation to molten steel and clinker 6 using induction heating；Steel melt
Change, dephosphorization, desulfurization, deoxidation alloying pass through skim, slagging process refines molten steel.
Then the dummy device in electric slag liquid casting furnace 24 is sealed with crystallizer, using slagging device in crystallizer
The slag charge for melting predetermined weight, obtains slag 12；Slagging device can be slugging arm；
The heating and thermal insulation component of vacuum degassing furnace 9 is opened, is heated up in advance, is guaranteed subsequent molten steel temperature, avoid generating excessive
Temperature change；
And it also requires sealing-plug wooden in 11 internal plug of liquid pushing tube of vacuum degassing furnace 9.
After the completion of preparation, the suction tube 8 of vacuum degassing furnace 9 is inserted into the molten steel of induction furnace 5, vacuum degassing furnace 9
Molten steel is pumped into vacuum degassing furnace 9 by the vacuum pump 10 on furnace body, and by flowing so that molten steel enters in liquid pushing tube 11,
Molten steel can melt wooden sealing-plug, flow out molten steel, also form siphonic effect at this time, and liquid pushing tube 11 is inserted into electric slag liquid
In the slag 12 of casting furnace 24, continuous transport molten steel effect is realized；
By 16 real-time detection molten steel liquid level of upper liquid level detecting sensor 15 and lower liquid level detecting sensor, molten steel liquid level is high
Position height is also 12 liquid level lowered height of slag, starts stripping after 12 liquid level of slag reaches setting height, can be slag 12
Liquid level reaches upper conductive 13 position of crystallization unit, and stripping moving assembly 20 drives stripping bottom water case 21 to move towards stripping direction when stripping
It is dynamic, reach stripping purpose, the ingot of extraction is ESR ingot 19, and wherein 19 top of ESR ingot will form metal bath with molten steel joining place
17；It is closed at high pressure electric brake 22, constitutes 13-molten slag of the upper conductive crystallization unit of AC power source-high pressure electric brake 22-12-
The current supply circuit of metal bath 17-ESR ingot, 19-bottom water, 21-AC power source of case, slag 12 generate a large amount of Joule heat, make
Slag 12 be in high temperature fused state, the casting rate of stripping rate and molten steel matches, and electric slag liquid casting rate controls
Range: 15-30kg/min, and stripping rate is examined with guaranteeing that 12 liquid level position of slag is constant for principle in crystallizer according to liquid level
Signal is surveyed, throwing rate can be automatically adjusted by PLC.
After steel ingot goes out crystallizer outlet, in order to accelerate the cooling of slab, solidification rate and casting rate are improved, in slab
The circumferencial direction in crystallizer outlet 500mm altitude range is uniformly arranged aerial fog nozzle and carries out pressure cooling to slab out, is formed
Secondary cooling apparatus enhances cooling rate to guarantee Solidification Quality, completes electric slag liquid casting.
Above-mentioned vacuum degassing furnace 9 has the function of to move up and down, and protrudes into convenient for two plugging for pipeline；Induction furnace 5 has
Function of weighing, more accurately to determine casting rate；Induction furnace lifting body 1 can be according to the liquid level in induction furnace 5
It carries out jacking adjusting, guarantees that the liquid level difference in induction furnace in liquid level and electric slag liquid casting furnace between liquid level remains constant, guarantee
The stability of suction when siphon, convenient for control flow.
Above embodiments are only to absolutely prove preferred embodiment that is of the invention and being lifted, and protection scope of the present invention is not
It is limited to this.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in guarantor of the invention
Within the scope of shield.Protection scope of the present invention is subject to claims.
Claims (9)
1. it is a kind of using induction furnace and electric slag liquid casting steel-making device, which is characterized in that including set gradually induction furnace,
Vacuum degassing furnace and electric slag liquid casting furnace, the vacuum degassing furnace are provided with suction tube and liquid pushing tube, and the suction tube plugs
In induction furnace, the liquid pushing tube is plugged in electric slag liquid casting furnace, and the liquid level in the electric slag liquid casting furnace is low
In the liquid level in induction furnace.
2. as described in claim 1 using the device of induction furnace and electric slag liquid casting steel-making, which is characterized in that the electroslag
Liquid-state casting furnace includes upper conductive crystallization unit and is lauched cold crystallization portion, and the upper conductive crystallization unit cooperates shape with cold crystallization portion is lauched
At crystallizer, the upper conductive crystallization unit and it is lauched between cold crystallization portion and is provided with insulation board, it is described to be lauched the setting of cold crystallization portion
On mounting platform, stripping bottom water case is provided with below the mounting platform, the stripping bottom water case and stripping moving assembly connect
It connects, is additionally provided with AC power source and high pressure electric brake between the stripping bottom water case and upper conductive crystallization unit.
3. as described in claim 1 using the device of induction furnace and electric slag liquid casting steel-making, which is characterized in that the electroslag
Liquid level detecting sensor and lower liquid level detecting sensor are provided on liquid-state casting furnace.
4. as described in claim 1 using the device of induction furnace and electric slag liquid casting steel-making, which is characterized in that the vacuum
It is provided with heating and thermal insulation component in degasification furnace, suction tube air blowing component is provided on the suction tube of vacuum degassing furnace.
5. as described in claim 1 using the device of induction furnace and electric slag liquid casting steel-making, which is characterized in that further include close
Blocking, the sealing-plug are arranged in the liquid pushing tube of vacuum degassing furnace before steel-making.
6. as described in claim 1 using the device of induction furnace and electric slag liquid casting steel-making, which is characterized in that the induction
Furnace bottom is provided with induction furnace bottom pneumatic module, and the induction furnace is arranged on induction furnace lifting body.
7. a kind of method for making steel, which comprises the following steps:
1) steel, alloy material are placed in induction furnace and carry out heating fusing, be smelted into after molten steel carry out slag making, deoxidation alloying,
BOTTOM ARGON BLOWING refining liquid steel carries out long-time heating and heat preservation to molten steel and clinker using induction heating；
2) it after sealing the dummy device in electric slag liquid casting furnace with crystallizer, is melted in crystallizer using slugging arm predetermined
The slag charge of weight, obtains molten slag；
Sealing-plug is arranged in the nozzle of the liquid pushing tube of vacuum degassing furnace, while opening the heating and thermal insulation component of vacuum degassing furnace；
3) by the molten steel internal upper part of the suction tube of vacuum degassing furnace insertion induction furnace, vacuum pump on vacuum degassing furnace, right is opened
Vacuum outgas stove evacuation, when molten steel rises to vacuum outgas furnace body and flows into liquid pushing tube, high-temperature molten steel is by the close of liquid pushing tube
Liquid pushing tube, is inserted into electric slag liquid casting furnace by blocking dissolution at this time, and molten steel starts to be cast by induction furnace siphon to electric slag liquid
In furnace；
4) start stripping after slag liquid level reaches setting height, be closed at high pressure electric brake, constitute AC power source-high-voltage electricity
The upper conductive crystallization unit-molten slag-metal bath-ESR ingot-bottom water case-AC power source current supply circuit of lock-, slag
A large amount of Joule heat is generated, so that slag is in high temperature fused state, the casting rate of stripping rate and molten steel matches；
5) in smelting process, induction furnace is slowly jacked by the induction furnace lifting body of induction furnace workbench, so that induction
Liquid level difference in furnace in liquid level and electric slag liquid casting furnace between liquid level maintains fixed value；
6) secondary cooling apparatus is opened after steel ingot goes out crystallizer outlet, completes electric slag liquid casting.
8. method for making steel as claimed in claim 7, which is characterized in that the depth capacity of the induction furnace is vacuum degassing furnace
The maximum molten steel height that suction tube can pump.
9. method for making steel as claimed in claim 7, which is characterized in that the molten steel of the vacuum degassing furnace is blown by suction tube
The air blowing rate control molten steel of component pours into the rate of electric slag liquid casting furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811426334.XA CN109385504B (en) | 2018-11-27 | 2018-11-27 | A kind of device and method using induction furnace and electric slag liquid casting steel-making |
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| CN201811426334.XA CN109385504B (en) | 2018-11-27 | 2018-11-27 | A kind of device and method using induction furnace and electric slag liquid casting steel-making |
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| CN109385504A true CN109385504A (en) | 2019-02-26 |
| CN109385504B CN109385504B (en) | 2019-07-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113399635A (en) * | 2021-06-04 | 2021-09-17 | 钢铁研究总院淮安有限公司 | Iron-chromium-aluminum alloy casting integrated device and method |
| CN115786800A (en) * | 2022-11-28 | 2023-03-14 | 苏州大学 | Smelting device for clean homogenized extra-large steel ingot and using method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2356783Y (en) * | 1998-11-23 | 2000-01-05 | 方崇实 | Device for molten metal electroslag continuous casting ingot and pile-up welding |
| CN101748282A (en) * | 2009-09-22 | 2010-06-23 | 沈阳东大材料先进制备技术工程研究中心 | Electric slag liquid pouring method |
| CN103045876A (en) * | 2013-01-06 | 2013-04-17 | 莱芜钢铁集团有限公司 | Liquid pouring system for electric slag |
-
2018
- 2018-11-27 CN CN201811426334.XA patent/CN109385504B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2356783Y (en) * | 1998-11-23 | 2000-01-05 | 方崇实 | Device for molten metal electroslag continuous casting ingot and pile-up welding |
| CN101748282A (en) * | 2009-09-22 | 2010-06-23 | 沈阳东大材料先进制备技术工程研究中心 | Electric slag liquid pouring method |
| CN103045876A (en) * | 2013-01-06 | 2013-04-17 | 莱芜钢铁集团有限公司 | Liquid pouring system for electric slag |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113399635A (en) * | 2021-06-04 | 2021-09-17 | 钢铁研究总院淮安有限公司 | Iron-chromium-aluminum alloy casting integrated device and method |
| CN115786800A (en) * | 2022-11-28 | 2023-03-14 | 苏州大学 | Smelting device for clean homogenized extra-large steel ingot and using method |
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| Publication number | Publication date |
|---|---|
| CN109385504B (en) | 2019-07-05 |
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