CN106493318A - A kind of preparation method of smelting iron and steel system water model experiment covering slag - Google Patents
A kind of preparation method of smelting iron and steel system water model experiment covering slag Download PDFInfo
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- CN106493318A CN106493318A CN201610943996.9A CN201610943996A CN106493318A CN 106493318 A CN106493318 A CN 106493318A CN 201610943996 A CN201610943996 A CN 201610943996A CN 106493318 A CN106493318 A CN 106493318A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
- B22D11/111—Treating the molten metal by using protecting powders
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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
- C21C7/0087—Treatment of slags covering the steel bath, e.g. for separating slag from the molten metal
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- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The present invention relates to a kind of preparation method of smelting iron and steel system water model experiment covering slag.Its technical scheme is：Foam particle is first added in smelting iron and steel system water model; high viscosity miscella is added by the mouth of a river again; then low viscosity miscella is added by the mouth of a river; the water model experiment covering slag for being followed successively by that foam particle layer, high viscosity mixing oil reservoir and low viscosity mixing oil reservoir are constituted from the top down is obtained, to simulate corresponding slag layer, sinter layer and liquid slag layer in smelting iron and steel system protection slag.The high viscosity miscella is the miscella of vegetable oil and the discarded animal oil for melting, and the low viscosity miscella is the miscella of vegetable oil and kerosene.Not only low cost and process is simple of the invention; the smelting iron and steel system water model experiment of preparation has the characteristics of becoming viscosity, variable density with covering slag; more conform to covering slag construction featuress in actual steel smelting procedure, can the motion of covering slag and slag situation in more authentic image simulation smelting iron and steel system.
Description
Technical field
The invention belongs to smelting iron and steel system water model experimental technique field.Specifically related to a kind of smelting iron and steel system water mould
The preparation method of type experiment covering slag.
Background technology
Covering slag is indispensable material in smelting iron and steel technical process, such as ladle, converter, ladle, tundish and crystallization
The elevated temperature vessels such as device, are all covered with covering slag on molten iron or molten steel.Covering slag is commonly divided into three layers：Orlop and molten steel
Contact, fusing point of the temperature higher than covering slag form liquid slag and float on molten steel upper surface；From bottom to top with the reduction of temperature, slag
Viscosity increase, be cooled to covering slag sintering temperature when, formed sinter layer duricrust float on liquid slag upper surface；As temperature continues
Reduce, less than the sintering temperature of covering slag, above sinter layer, form slag layer.Covering slag floats on molten steel table with three kinds of different shapes
Face, plays insulation, prevents the oxygen in air to the effects such as the field trash in the oxidation of molten steel, absorption molten steel, mold powder cover
One of and realize the necessary means of whole non-oxidation operation.
For understanding the flow behavior of steel smelting procedure high temperature molten steel, studied frequently with water model laboratory method.Water
Model experiment is to replace the Physical Experiment that molten steel or molten iron carried out under conditions of similarity criterion is met with water according to the theory of similarity.
For slag phenomenon in simulation molten steel pocket deslagging process in testing in water model, external refining stove and casting process and
The motion conditions of slag, need configuration protection slag in water model experiment.Water model experiment covering slag mainly has two kinds at present, and one
It is using aircraft engine oil and vegetable oil miscella（Zhou Li, 120t ladle confluxes the physical modeling of slag, steel-making, and 2012,28（2）:
56~58）Simulation slag or situation of skimming, but this miscella is liquid, exposed and slag phenomenon easily occurs, lack during experiment
Similar to the sinter layer and slag layer of real protection slag, analog result is difficult to the motion for reacting actual steel smelting procedure slag；Two
It is the motor process using foamed plastic particle simulation slag and slag（Qi Xinxia, slag phenomenal research in plate slab crystallizer are special
Steel, 2004,25（3）:29~31）, but for graininess under this foamed plastic particle room temperature, it is exposed easily to occur liquid level during experiment,
It is not easy slag, and because the dirty lubrication of slag liquid in crystallizer cannot be simulated without liquid slag blanket, with actual physics process
Also there is larger gap.
Content of the invention
It is contemplated that overcoming prior art defect, it is therefore an objective to provide the smelting iron and steel system of a kind of low cost, process is simple
The preparation method of system water model experiment covering slag.With the method prepare smelting iron and steel system water model experiment covering slag with
In actual steel smelting procedure, covering slag construction featuress are more coincide, make water model experiment can more authentic image simulation iron and steel smelting
The motion of covering slag and slag situation in refining system.
For achieving the above object, the technical solution used in the present invention is comprised the concrete steps that：
The first step, the water model experiment covering slag are from the top down successively by foam particle layer, high viscosity mixing oil reservoir and low
Viscosity mixing oil reservoir is constituted, and the thickness of the water model experiment covering slag is 20 ~ 200mm, and foam particle layer, high viscosity mix
Oil reservoir and low viscosity mixing oil reservoir volume ratio are 1:（0.8~1.2）∶（1.7~2.3）；The foam particle layer, high viscosity miscella
Layer and low viscosity mix slag layer, sinter layer and the liquid slag layer that oil reservoir simulates smelting iron and steel system protection slag successively.
The foam particle that the foam particle layer is adopted：Granularity is 0.5 ~ 2mm, and density is 0.3 ~ 0.6g/cm3, and viscosity is
0.07~0.12Pa·s.
The high viscosity miscella that the high viscosity mixing oil reservoir is adopted：Density be 0.8 ~ 0.85g/cm3, viscosity be 0.05 ~
0.09Pa·s；The high viscosity miscella is the useless of the miscella of vegetable oil and the discarded animal oil for melting, vegetable oil and thawing
The volume ratio for abandoning animal oil is 1: 0.3 ~ 1.
The low viscosity miscella that the low viscosity mixing oil reservoir is adopted：Density be 0.85 ~ 0.9g/cm3, viscosity be 0.03 ~
0.08Pa·s；The low viscosity miscella is the miscella of vegetable oil and kerosene, and vegetable oil is 1: 1 ~ 5 with the volume ratio of kerosene.
Second step, add in smelting iron and steel system water model 30 ~ 50 DEG C of water to the water surface higher than outlet 100 ~
200mm.
3rd step, as described in step one volume ratio, add the foam particle, foam in smelting iron and steel system water model
Particle sprawls uniform rear formation foam particle layer in the water surface；The high viscosity miscella, the high viscosity are added by the mouth of a river again
Miscella forms high viscosity mixing oil reservoir after uniformly sprawling under foam particle layer；When water temperature is down to below 25 DEG C, by water
Mouth adds low viscosity miscella, low viscosity miscella uniformly to sprawl under high viscosity mixing oil reservoir, forms low viscosity mixing oil reservoir.
After the smelting iron and steel system water model experiment covering slag is formed, smelting iron and steel system is added water to by the mouth of a river
Height needed for water model experiment can be tested.
The foam particle is one or more of polystyrene spheres, rubber and plastic, foam plasticss, alumina hollow ball.
The vegetable oil is one or more of salad oil, Oleum Glycines, Oleum Terebinthinae, Petiolus Trachycarpi oil.
The kerosene is one or more of common kerosene, aerial kerosene, refining residual oil.
There is following good effect compared with prior art due to adopting above-mentioned technical proposal, the present invention：
The smelting iron and steel system water model experiment covering slag of the present invention is followed successively by foam particle layer, high viscosity miscella from top to bottom
Layer and low viscosity mix oil reservoir, to simulate corresponding slag layer, sinter layer and liquid slag layer in actual smelting iron and steel system protection slag.
The present invention prepares high viscosity mixing oil reservoir and low viscosity mixing oil reservoir using discarded animal oil, vegetable oil, kerosene.Discarded animal oil
Fusing point is solid-state under room temperature, and the fusing point of vegetable oil, kerosene is relatively low, is liquid under room temperature generally at 35 ~ 55 DEG C.Using animal
Oil viscosity variation with temperature and the compatibility of various oils, will be mixed for different types of oil heating melting according to certain ratio
Even, different viscosities, the miscella of different densities under room temperature is obtained respectively, to simulate the sinter layer in smelting iron and steel system protection slag
With liquid slag layer, slag layer is simulated using foam particle.
Smelting iron and steel water model experiment covering slag prepared by the present invention, by the different three-decker group of density and viscosity
Into more conforming to the three-decker feature of covering slag in actual steel smelting procedure, can preferably simulate the volume of covering slag
The mobility status of slag liquid in slag situation and crystallizer., using discarded animal oil, vegetable oil, kerosene, source is wide for the covering slag,
Easily obtain, low cost is recyclable, and preparation process is simple.
Therefore, the characteristics of present invention has low cost, process is simple, prepared smelting iron and steel system water model experiment are used
Covering slag is more conformed to covering slag construction featuress in actual steel smelting procedure, make water model experiment can more authentic image mould
Intend the motion of covering slag and slag situation in smelting iron and steel system.
Specific embodiment
With reference to specific embodiment, the invention will be further described, not the restriction to its protection domain.
In this specific embodiment：The foam particle is polystyrene spheres, rubber and plastic, foam plasticss, alumina hollow ball
One or more of；The vegetable oil is one or more of salad oil, Oleum Glycines, Oleum Terebinthinae, Petiolus Trachycarpi oil；The kerosene is common
One or more of kerosene, aerial kerosene, refining residual oil.Repeat no more in embodiment.
Embodiment 1
A kind of preparation method of continuous casting system crystallizer water model experiment covering slag.Described in the present embodiment, preparation method is：
The first step, the water model experiment covering slag are from the top down successively by foam particle layer, high viscosity mixing oil reservoir and low
Viscosity mixing oil reservoir is constituted, and the thickness of the water model experiment covering slag is 20 ~ 60mm, and foam particle layer, high viscosity mix
Oil reservoir and low viscosity mixing oil reservoir volume ratio are 1:（0.8~0.9）∶（1.7~2.0）；The foam particle layer, high viscosity miscella
Layer and low viscosity mix slag layer, sinter layer and the liquid slag layer that oil reservoir simulates continuous casting system crystallizer protecting residue successively.
The foam particle that the foam particle layer is adopted：Granularity be 0.5 ~ 1.1mm, density be 0.3 ~ 0.6g/cm3, viscosity
For 0.07 ~ 0.12Pa s.
The high viscosity miscella that the high viscosity mixing oil reservoir is adopted：Density be 0.8 ~ 0.85g/cm3, viscosity be 0.05 ~
0.06Pa·s；The high viscosity miscella is the useless of the miscella of vegetable oil and the discarded animal oil for melting, vegetable oil and thawing
The volume ratio for abandoning animal oil is 1: 0.3 ~ 0.7.
The low viscosity miscella that the low viscosity mixing oil reservoir is adopted：Density be 0.85 ~ 0.9g/cm3, viscosity be 0.03 ~
0.05Pa·s；The low viscosity miscella is the miscella of vegetable oil and kerosene, and vegetable oil is 1: 1 ~ 2 with the volume ratio of kerosene.
Second step, add in continuous casting system crystallizer water model 30 ~ 50 DEG C of water to the water surface higher than outlet 100 ~
200mm.
3rd step, as described in step one volume ratio, add the foam particle in continuous casting system crystallizer water model, steep
Foam particle sprawls uniform rear formation foam particle layer in the water surface；The high viscosity miscella is added by the mouth of a river again, described high viscous
Degree miscella forms high viscosity mixing oil reservoir after uniformly sprawling under foam particle layer；When water temperature is down to below 25 DEG C, pass through
The mouth of a river adds low viscosity miscella, low viscosity miscella uniformly to sprawl under high viscosity mixing oil reservoir, forms low viscosity miscella
Layer.
After the continuous casting system crystallizer water model experiment covering slag is formed, continuous casting system knot is added water to by the mouth of a river
Height needed for brilliant device water model experiment can be tested.
Embodiment 2
A kind of preparation method of continuous casting system continuous casting experiment covering slag.Described in the present embodiment, preparation method is：
The first step, the water model experiment covering slag are from the top down successively by foam particle layer, high viscosity mixing oil reservoir and low
Viscosity mixing oil reservoir is constituted, and the thickness of the water model experiment covering slag is 30 ~ 120mm, and foam particle layer, high viscosity mix
Oil reservoir and low viscosity mixing oil reservoir volume ratio are 1:（0.9~1.0）∶（1.8~2.1）；The foam particle layer, high viscosity miscella
Layer and low viscosity mix slag layer, sinter layer and the liquid slag layer that oil reservoir simulates continuous casting system tundish covering slag successively.
The foam particle that the foam particle layer is adopted：Granularity be 0.8 ~ 1.4mm, density be 0.3 ~ 0.6g/cm3, viscosity
For 0.07 ~ 0.12Pa s.
The high viscosity miscella that the high viscosity mixing oil reservoir is adopted：Density be 0.8 ~ 0.85g/cm3, viscosity be 0.06 ~
0.07Pa·s；The high viscosity miscella is the useless of the miscella of vegetable oil and the discarded animal oil for melting, vegetable oil and thawing
The volume ratio for abandoning animal oil is 1: 0.4 ~ 0.8.
The low viscosity miscella that the low viscosity mixing oil reservoir is adopted：Density be 0.85 ~ 0.9g/cm3, viscosity be 0.04 ~
0.06Pa·s；The low viscosity miscella is the miscella of vegetable oil and kerosene, and vegetable oil is 1: 2 ~ 3 with the volume ratio of kerosene.
Second step, add in continuous casting system continuous casting 30 ~ 50 DEG C of water to the water surface higher than outlet 100 ~
200mm.
3rd step, as described in step one volume ratio, add the foam particle in continuous casting system continuous casting, steep
Foam particle sprawls uniform rear formation foam particle layer in the water surface；The high viscosity miscella is added by the mouth of a river again, described high viscous
Degree miscella forms high viscosity mixing oil reservoir after uniformly sprawling under foam particle layer；When water temperature is down to below 25 DEG C, pass through
The mouth of a river adds low viscosity miscella, low viscosity miscella uniformly to sprawl under high viscosity mixing oil reservoir, forms low viscosity miscella
Layer.
After the continuous casting system continuous casting experiment covering slag is formed, added water in continuous casting system by the mouth of a river
Between height needed for the experiment of bag water model can be tested.
Embodiment 3
A kind of preparation method of ladle water model experiment covering slag.Described in the present embodiment, preparation method is：
The first step, the water model experiment covering slag are from the top down successively by foam particle layer, high viscosity mixing oil reservoir and low
Viscosity mixing oil reservoir is constituted, and the thickness of the water model experiment covering slag is 50 ~ 130mm, and foam particle layer, high viscosity mix
Oil reservoir and low viscosity mixing oil reservoir volume ratio are 1:（1.0~1.1）∶（1.9~2.2）；The foam particle layer, high viscosity miscella
Layer and low viscosity mix slag layer, sinter layer and the liquid slag layer that oil reservoir simulates ladle covering slag successively.
The foam particle that the foam particle layer is adopted：Granularity be 1.1 ~ 1.7mm, density be 0.3 ~ 0.6g/cm3, viscosity
For 0.07 ~ 0.12Pa s.
The high viscosity miscella that the high viscosity mixing oil reservoir is adopted：Density be 0.8 ~ 0.85g/cm3, viscosity be 0.07 ~
0.08Pa·s；The high viscosity miscella is the useless of the miscella of vegetable oil and the discarded animal oil for melting, vegetable oil and thawing
The volume ratio for abandoning animal oil is 1: 0.5 ~ 0.9.
The low viscosity miscella that the low viscosity mixing oil reservoir is adopted：Density be 0.85 ~ 0.9g/cm3, viscosity be 0.05 ~
0.07Pa·s；The low viscosity miscella is the miscella of vegetable oil and kerosene, and vegetable oil is 1: 3 ~ 4 with the volume ratio of kerosene.
Second step, in ladle water model add 30 ~ 50 DEG C water to the water surface be higher than 100 ~ 200mm of outlet.
3rd step, as described in step one volume ratio, add the foam particle in ladle water model, foam particle is in water
Sprawl uniform rear formation foam particle layer in face；The high viscosity miscella, the high viscosity miscella is added to exist by the mouth of a river again
High viscosity mixing oil reservoir is formed after uniformly sprawling under foam particle layer；When water temperature is down to below 25 DEG C, added by the mouth of a river low
Viscosity miscella, low viscosity miscella are uniformly sprawled under high viscosity mixing oil reservoir, form low viscosity mixing oil reservoir.
After the ladle water model experiment covering slag is formed, added water to needed for the experiment of ladle water model by the mouth of a river
Height can be tested.
Embodiment 4
A kind of preparation method of ladle water model experiment covering slag.Described in the present embodiment, preparation method is：
The first step, the water model experiment covering slag are from the top down successively by foam particle layer, high viscosity mixing oil reservoir and low
Viscosity mixing oil reservoir is constituted, and the thickness of the water model experiment covering slag is 80 ~ 200mm, and foam particle layer, high viscosity mix
Oil reservoir and low viscosity mixing oil reservoir volume ratio are 1:（1.1~1.2）∶（2.0~2.3）；The foam particle layer, high viscosity miscella
Layer and low viscosity mix slag layer, sinter layer and the liquid slag layer that oil reservoir simulates converter covering slag successively.
The foam particle that the foam particle layer is adopted：Granularity is 1.4 ~ 2mm, and density is 0.3 ~ 0.6g/cm3, and viscosity is
0.07~0.12Pa·s.
The high viscosity miscella that the high viscosity mixing oil reservoir is adopted：Density be 0.8 ~ 0.85g/cm3, viscosity be 0.08 ~
0.09Pa·s；The high viscosity miscella is the useless of the miscella of vegetable oil and the discarded animal oil for melting, vegetable oil and thawing
The volume ratio for abandoning animal oil is 1: 0.6 ~ 1.
The low viscosity miscella that the low viscosity mixing oil reservoir is adopted：Density be 0.85 ~ 0.9g/cm3, viscosity be 0.06 ~
0.08Pa·s；The low viscosity miscella is the miscella of vegetable oil and kerosene, and vegetable oil is 1: 4 ~ 5 with the volume ratio of kerosene.
Second step, in ladle water model add 30 ~ 50 DEG C water to the water surface be higher than 100 ~ 200mm of outlet.
3rd step, as described in step one volume ratio, in ladle water model add the foam particle, foam particle to exist
The water surface sprawls uniform rear formation foam particle layer；The high viscosity miscella, the high viscosity miscella are added by the mouth of a river again
High viscosity mixing oil reservoir is formed after uniformly sprawling under foam particle layer；When water temperature is down to below 25 DEG C, added by the mouth of a river
Low viscosity miscella, low viscosity miscella are uniformly sprawled under high viscosity mixing oil reservoir, form low viscosity mixing oil reservoir.
After the ladle water model experiment covering slag is formed, ladle water model is added water to by the mouth of a river and tests institute
The height for needing can be tested.
This specific embodiment has following good effect compared with prior art：
It is viscous that the smelting iron and steel system water model experiment covering slag of this specific embodiment is followed successively by foam particle layer, height from top to bottom
Degree mixing oil reservoir and low viscosity mixing oil reservoir, to simulate corresponding slag layer, sinter layer in actual smelting iron and steel system protection slag
And liquid slag layer.This specific embodiment prepares high viscosity mixing oil reservoir using discarded animal oil, vegetable oil, kerosene and low viscosity is mixed
Close oil reservoir.Discarded animal oil fusing point is solid-state under room temperature, and the fusing point of vegetable oil, kerosene is relatively low, room temperature generally at 35 ~ 55 DEG C
It is down liquid.Using the change and the compatibility of various oils of animal oil viscosity with temperature, will not be of the same race according to certain ratio
The oil heating melting of class is mixed, and different viscosities, the miscella of different densities under room temperature is obtained respectively, to simulate smelting iron and steel system
Sinter layer and liquid slag layer in covering slag, simulates slag layer using foam particle.
Smelting iron and steel water model experiment covering slag prepared by this specific embodiment, by density and viscosity different three
Rotating fields are constituted, and are more conformed to the three-decker feature of covering slag in actual steel smelting procedure, can preferably be simulated guarantor
The mobility status of slag liquid in the slag situation of shield slag and crystallizer.The covering slag is using discarded animal oil, vegetable oil, coal
Oil, source are wide, easily obtain, and low cost is recyclable, and preparation process is simple.
Therefore, the characteristics of this specific embodiment has low cost, process is simple, prepared smelting iron and steel system water mould
Type experiment covering slag is more conformed to covering slag construction featuress in actual steel smelting procedure, and testing water model can be truer
The motion of covering slag and slag situation in the simulation smelting iron and steel system of image.
Claims (4)
1. a kind of preparation method of smelting iron and steel system water model experiment covering slag, it is characterised in that：
The first step, the water model experiment covering slag are from the top down successively by foam particle layer, high viscosity mixing oil reservoir and low
Viscosity mixing oil reservoir is constituted, and the thickness of the water model experiment covering slag is 20 ~ 200mm, and foam particle layer, high viscosity mix
Oil reservoir and low viscosity mixing oil reservoir volume ratio are 1:（0.8~1.2）∶（1.7~2.3）；The foam particle layer, high viscosity miscella
Layer and low viscosity mix slag layer, sinter layer and the liquid slag layer that oil reservoir simulates smelting iron and steel system protection slag successively；
The foam particle that the foam particle layer is adopted：Granularity be 0.5 ~ 2mm, density be 0.3 ~ 0.6g/cm3, viscosity be 0.07 ~
0.12Pa·s；
The high viscosity miscella that the high viscosity mixing oil reservoir is adopted：Density be 0.8 ~ 0.85g/cm3, viscosity be 0.05 ~
0.09Pa·s；The high viscosity miscella is the useless of the miscella of vegetable oil and the discarded animal oil for melting, vegetable oil and thawing
The volume ratio for abandoning animal oil is 1: 0.3 ~ 1；
The low viscosity miscella that the low viscosity mixing oil reservoir is adopted：Density be 0.85 ~ 0.9g/cm3, viscosity be 0.03 ~
0.08Pa·s；The low viscosity miscella is the miscella of vegetable oil and kerosene, and vegetable oil is 1: 1 ~ 5 with the volume ratio of kerosene；
Second step, in smelting iron and steel system water model add 30 ~ 50 DEG C water to the water surface be higher than 100 ~ 200mm of outlet；
3rd step, as described in step one volume ratio, add the foam particle, foam particle in smelting iron and steel system water model
Uniform rear formation foam particle layer is sprawled in the water surface；The high viscosity miscella, the high viscosity mixing are added by the mouth of a river again
Oil forms high viscosity mixing oil reservoir after uniformly sprawling under foam particle layer；When water temperature is down to below 25 DEG C, by the mouth of a river plus
Enter low viscosity miscella, low viscosity miscella is uniformly sprawled under high viscosity mixing oil reservoir, forms low viscosity mixing oil reservoir.
2. smelting iron and steel system water model experiment covering slag according to claim 1, it is characterised in that the foam grain
Son is one or more of polystyrene spheres, rubber and plastic, foam plasticss, alumina hollow ball.
3. smelting iron and steel system water model experiment covering slag according to claim 1, it is characterised in that the vegetable oil
For one or more of salad oil, Oleum Glycines, Oleum Terebinthinae, Petiolus Trachycarpi oil.
4. smelting iron and steel system water model experiment covering slag according to claim 1, it is characterised in that the kerosene is
One or more of common kerosene, aerial kerosene, refining residual oil.
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| CN107177715A (en) * | 2017-05-19 | 2017-09-19 | 王冰 | A kind of preparation method of smelting iron and steel protection residue material |
| CN110000352A (en) * | 2019-05-05 | 2019-07-12 | 西峡县西保冶金材料有限公司 | A kind of continuous-casting crystallizer especially used function protective material of plastic die steel |
| CN110119550A (en) * | 2019-04-28 | 2019-08-13 | 北京科技大学 | The simulator and method that molten steel is separated with slag blanket in a kind of ladle toppling process |
| CN112481441A (en) * | 2020-10-13 | 2021-03-12 | 东北大学 | Physical simulation method for slag foaming in converter |
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| CN107177715A (en) * | 2017-05-19 | 2017-09-19 | 王冰 | A kind of preparation method of smelting iron and steel protection residue material |
| CN110119550A (en) * | 2019-04-28 | 2019-08-13 | 北京科技大学 | The simulator and method that molten steel is separated with slag blanket in a kind of ladle toppling process |
| CN110119550B (en) * | 2019-04-28 | 2020-11-27 | 北京科技大学 | Simulation device and method for separation of molten steel and slag layer in ladle pouring process |
| CN110000352A (en) * | 2019-05-05 | 2019-07-12 | 西峡县西保冶金材料有限公司 | A kind of continuous-casting crystallizer especially used function protective material of plastic die steel |
| CN112481441A (en) * | 2020-10-13 | 2021-03-12 | 东北大学 | Physical simulation method for slag foaming in converter |
| CN112481441B (en) * | 2020-10-13 | 2021-08-24 | 东北大学 | Physical simulation method for slag foaming in converter |
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