CN102554161A - Covering slag of square billet continuous casting crystallizer and production method thereof - Google Patents
Covering slag of square billet continuous casting crystallizer and production method thereof Download PDFInfo
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- CN102554161A CN102554161A CN201110458736XA CN201110458736A CN102554161A CN 102554161 A CN102554161 A CN 102554161A CN 201110458736X A CN201110458736X A CN 201110458736XA CN 201110458736 A CN201110458736 A CN 201110458736A CN 102554161 A CN102554161 A CN 102554161A
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Abstract
The invention discloses a covering slag of a square billet continuous casting crystallizer and a production method of the covering slag, wherein cheap electrolytic aluminium waste residual material is effectively added to a formula for the covering slag of the square billet continuous casting crystallizer for use; fluorine, carbon, sodium, aluminium and other chemical elements contained in the electrolytic aluminium waste residual material can substitute or partially substitute one or multiple out of materials of chemical elements used in the formula for the covering slag of the square billet continuous casting crystallizer; and the quality performance of the products can achieve and meet the enterprise standard. The invention provides a new method for reasonably using the electrolytic aluminium waste residual, and the new method can effectively reduce bulk deposition of the electrolytic aluminium waste residual and the problem of pollution and has good environmental protection benefit and social benefit. More importantly, with the application of the electrolytic aluminium waste residual in production of the covering slag of the square billet continuous casting crystallizer, expensive fluorine, carbon, sodium, alluminium and other materials are effectively complemented with low cost, thereby greatly reducing cost for producing the covering slag of the square billet continuous casting crystallizer, and having remarkable effect.
Description
Technical field
The invention belongs to the steelmaking ingredient technical field, be specifically related to a kind of method of producer blank continuous casting crystallizer covering slag.
Technical background
At present, though the China Steel production and consumption keeps growing trend, slowdown in growth, the iron and steel production capacity is seriously superfluous; The high-order operation of crude fuel price adds the influence of global economy situation, and the steel industry benefit is greatly reduced.Each Iron and Steel Production producer all forces down the cost of each raw material one after another, as one of steel industry steelmaking ingredient---and continuous crystallizer protecting slag is also at these row; All kinds of raw materials for production rise in price of continuous crystallizer protecting slag in addition, unprecedented state had been pushed in its industry competition already to, and the cost efficiency of enterprise is particularly important to its survival and development.The ability of the opposing market risk all actively seeking handy cheap raw material to improve the market competitiveness, improves in each covering slag manufacturing enterprise.
The overall condition of billet continuous casting crystallizer protecting residue, characteristics and whole the requirement:
A: the section difference is big, can be from 130 * 130mm
2-370 * 480mm
2, (usually less than 160 * 160 mm
2Be little square billet, greater than 200 * 200 mm
2Be bloom or rectangular bloom); The casting speed difference of billet continuous casting is big, and big section square billet pulling rate is 0.5-1.2m/min, and light section can reach more than the 3m/min, and therefore, the covering slag performance has bigger difference;
B: light section square billet casting speed is fast, and molten steel surface temperature is low, and requires covering slag slagging speed fast;
C: big section square billet casting speed is slow, and covering slag will lubricate evenly rare slag bar, the generation of slag circle to the greatest extent;
D: the steel grade type is many, and from the low-carbon (LC) to the high-carbon, carbon content does not wait from 0.06%-1.0%, and different steel grade liquidus temperature difference is bigger, and it is bigger promptly to water steel temperature difference, requires to have the different protection slag to come the adaptability casting.
The waste residue that produces in the Aluminum Electrolysis Production process is difficult to comprehensive utilization at present; Removing the patent No. is 200910064313.2; The patent that name is called " utilizing fluorine-containing hydrochloric acid from waste slag of electrolytic aluminium, to reclaim the method for ice crystal " discloses a kind of method of utilizing fluorine-containing hydrochloric acid from waste slag of electrolytic aluminium, to reclaim ice crystal, is that raw material reaction makes the ice crystal product with waste slag of electrolytic aluminium and fluorine-containing hydrochloric acid.The method advantage that this invention provided is: 1. waste slag of electrolytic aluminium and the fluorine-containing hydrochloric acid with cheapness is that raw material reclaims ice crystal, and production cost is low; 2. the recycling capable of circulation of fluorine-containing hydrochloric acid has further reduced production cost, utilizes the reacted fluorine-containing hydrochloric acid acid solution of lime treatment to be used to prepare calcium chloride simultaneously; For the processing of waste slag of electrolytic aluminium provides an all well and good way, still in concrete operation, particularly fluorine-containing hydrochloric acid acid solution is used to prepare calcium chloride technology and has pollution equally in theory, and degree of purity is difficult to guarantee.For most waste slag of electrolytic aluminium, all be to dispose with landfill or the mode of piling up, not only cause the serious waste of resource, and because it is fluorine-containing higher, bigger to the harm of safety in production, environmental protection.
Summary of the invention
To the problems referred to above, the purpose of this invention is to provide and a kind ofly use new material, can practice thrift cost significantly, more help the billet continuous casting crystallizer protecting residue and the production method thereof of environmental protection.
A kind of billet continuous casting crystallizer protecting residue, its chemical analysis comprises SiO
2, MgO, CaO, Fe
2O
3, Al
2O
3, Na
2O, F, Li
2O, MnO, fugitive constituent and C
Fixing, its quality percentage composition is respectively 26～36%, 0.1～5%, 19～31%, 0.2～2.5%, 2.5～14%, 2～14%, 2.5～8%, 0～1.5%, 0～3%, 0.5～10,5～25%; Basicity 0.6～0.96,930～1250 ℃ of fusing points, viscosity 0.12～1.30PaS.
Said billet continuous casting crystallizer protecting residue production method may further comprise the steps,
A, raw material are handled: waste slag of electrolytic aluminium is processed into 300 purpose powder, controls its water content less than 1%, and it is carried out the batch mixing;
B, raw material detect: its chemical analysis of sample analysis;
C, the design of continuous crystallizer protecting slag formula for a product: after chemical analysis is confirmed, as required, utilize the prescription of the known raw material design of waste slag of electrolytic aluminium and other continuous crystallizer protecting slag;
D, batching: with subsequent use behind waste slag of electrolytic aluminium raw material and the ratio mixing of other raw material powders in set component design;
E, the stirring of sizing mixing: with the mixing material add in levigator, stir behind the water go into tower behind the 30-40min before agitator stir;
E, granulation: the slip mist projection granulating after will stirring;
F, qualified finished product packing warehouse-in.
The present invention is through use in the waste slag of electrolytic aluminium raw material adding billet continuous casting crystallizer protecting residue prescription with cheapness effectively; Chemical elements such as wherein contained fluorine, carbon, sodium, aluminium can substitute or part substitutes one or more of raw material of this chemical element that uses in the continuous crystallizer protecting slag prescription, and the capability and performance of product reaches and satisfies company standard.In the middle of actual production; The skilled worker of affiliated technical field manages to reduce cost in all its bearings; But, can not in waste slag of electrolytic aluminium, do to improve and realize turning waste into wealth of waste slag of electrolytic aluminium because covering slag production field and Aluminum Electrolysis Production field are far apart.
The billet continuous casting crystallizer protecting residue that uses waste slag of electrolytic aluminium to produce; Inevitably sneak into other versions of aluminium element; Pure aluminum such as wherein contained exists with free state; In the process of high temperature continuous casting, contained a small amount of but finely dispersed pure aluminum plays a good role in this crystallizer protecting residue:
A:, improve the molten steel degree of purity with the molten steel reaction;
B: deoxidation helps solving defectives such as square billet surface pinholes, hickie.
C: the reaction of aluminium and molten steel is exothermic reaction, improves the hot situation of crystallizer molten steel surface, and the time that forms molten slag layer shortens, and has increased slag and the time that the molten steel face contacts, and helps to bring into play the function of covering slag on the molten steel face;
Chemical elements such as fluorine-containing, the carbon of institute, sodium, aluminium in the waste slag of electrolytic aluminium; Though the performance difference of billet continuous casting crystallizer protecting residue is big; But each components in proportions of waste slag of electrolytic aluminium is moderate, utilizes the space big and can substitute the different materials in the conventional billet continuous casting crystallizer protecting residue prescription, can reduce or alternative fluorite, the amount of allocating into of alkali in vain; Reduce the tendency towards devitrification of slag, realized the comprehensive effect of flux; Simultaneously can minimizing or the consumption of carbonaceous materials such as alternative carbon black, graphite, help improving the uniformity of each component of covering slag, reduce the slag sub-melting phenomenon.The combination property of this material makes that it can extensive use on each section of square billet, each steel grade.
The present invention can reduce the bulk deposition and the severe contamination problem of waste slag of electrolytic aluminium effectively for the reasonable use of waste slag of electrolytic aluminium provides new method, and good environmental benefit and social benefit are arranged.What is more important; Through the application of waste slag of electrolytic aluminium in continuous crystallizer protecting slag is produced; Cost with cheapness has replenished raw material such as expensive fluorine, carbon, sodium, aluminium effectively, has reduced the cost of producing continuous crystallizer protecting slag widely, and effect is extremely remarkable.
The specific embodiment
Embodiment one:
Certain billet continuous casting crystallizer protecting residue product; Its composition of raw materials comprises: fluorite, soda ash, clinker, carbon black, graphite, calcite, aluminium vanadine, wollastonite; Its quality percentage composition is respectively 7%, 2%, 11%, 2%, 19%, 49%, 2%, 8%, and its cost of raw material is 1388 yuan/ton.Said billet continuous casting crystallizer protecting residue company standard: chemical analysis comprises SiO
2, MgO, CaO, Fe
2O
3, Al
2O
3, Na
2O, F, fugitive constituent and C
Fixing, its quality percentage composition is respectively 27～29%, 1.2～1.7%, 25～27%,<2%, 8.5～10.5%, 5.8～6.5%, 5.4～6 %, 3～5%, 16～18%; Physical index: basicity 0.92～0.96,1135～1175 ℃ of fusing points, viscosity 0.45～0.50PaS.
As of the present invention a kind of preferred; This billet continuous casting crystallizer protecting residue; Its raw material comprises waste slag of electrolytic aluminium, soda ash, clinker, carbon black, 85 graphite, calcite, aluminium vanadine, wollastonite; Its quality percentage composition is respectively 15%, 6%, 2%, 1%, 13%, 48%, 7%, 8%, and its cost of raw material is 894 yuan/ton.Chemical analysis in the present invention's the billet continuous casting crystallizer protecting residue comprises SiO
2, MgO, CaO, Fe
2O
3, Al
2O
3, Na
2O, F fugitive constituent and C
Fixing, its quality percentage composition is respectively 27.75%, 1.55%, 26.45%, 1.01%, 9.89%, 6.18%, 5.46%, 4.72%, 16.98%, and basicity is 0.95,1155 ℃ of fusing points, viscosity 0.468PaS.Production method such as summary of the invention part.
Can know by above data contrast, 7% fluorite, the soda ash of 5 %, 1% carbon black, 6% graphite in 15% the waste slag of electrolytic aluminium replacement original formulation, the cost of raw material reduces by 494 yuan/ton.The result that the laboratory is detected not only meets company standard, and has some performances to surpass original formulation, and the on-the-spot operating position of A iron and steel enterprise steel-making continuous casting was following at home after this product lot quantity was produced:
Continuous casting process: casting section 130 * 130mm
2, pulling rate 2.8～3.2m/min, molten steel chemical composition (percentage by weight): C:0.15%, Si:0.53%; Mn:0.61%, P:0.028%, S:0.031%; Open when watering starting, covering slag of the present invention is evenly pushed crystallizer, require evenly to cover whole molten steel face; The total slag blanket of covering slag (being slag layer, sinter layer, liquid slag layer threeply degree sum) keeps black slag operation between 25～40mm, must not make the molten steel face exposed.
Open water after, the molten steel ground roll moves in 3mm, pulling rate is stabilized in 3.2 m/min, this moment measure about liquid slag layer thickness 9mm.After this survey a liquid slag layer at a distance from 20min, its thickness is at 8～12mm.In casting cycle, the crust clustering phenomena is sprawled well, do not had to this covering slag in crystallizer, flare is moderate, the change slag is uniform and stable; Slag bar rule and less need not chosen the slag bar in the casting process.Through statistics, this covering slag slag consumption is about 0.35Kg/ ton steel.Observe strand under the cold conditions, oscillation mark is clear, regular, more shallow, does not have and is stained with slag, volume slag phenomenon, and casting billet surface overall flat lay the grain cunning is no abnormal, and strand primes qualification rate is increased to 99.8% by original 96.5%.
Embodiment two:
Certain billet continuous casting crystallizer protecting residue product; Its composition of raw materials comprises: glass dust, fluorite, soda ash, carbon black, graphite, aluminium vanadine, wollastonite; Its quality percentage composition is respectively 22%, 8%, 12%, 2%, 24%, 4%, 28%, and its cost of raw material is 1348 yuan/ton.Said billet continuous casting crystallizer protecting residue company standard: chemical analysis comprises SiO
2, MgO, CaO, Fe
2O
3, Al
2O
3, Na
2O, F, fugitive constituent and C
Fixing, its quality percentage composition is respectively 32～35%, 1.5～2.5%, 19～22%,<2.5%, 3.5～5.5%, 9～11%, 3.5～5.5%, 3～5%, 20～22%; Physical index: basicity 0.58～0.64,1050～1080 ℃ of fusing points, viscosity 0.7～0.9PaS.
As of the present invention a kind of preferred; This billet continuous casting crystallizer protecting residue; Its raw material comprises waste slag of electrolytic aluminium, glass dust, soda ash, carbon black, graphite, calcite, wollastonite; Its quality percentage composition is respectively 16%, 18%, 9%, 1%, 17%, 3%, 36%, and its cost of raw material is 889.4 yuan/ton.Chemical analysis in the present invention's the billet continuous casting crystallizer protecting residue comprises SiO
2, MgO, CaO, Fe
2O
3, Al
2O
3, Na
2O, F, fugitive constituent and C
Fixing, its quality percentage composition is respectively 33.24%, 1.9%, 20.25%, 0.64%, 4.13%, 9.51%, 5.46%, 3.88%, 20.98%, and basicity is 0.60,1058 ℃ of fusing points, viscosity 0.815PaS.Production method such as embodiment one.
Can know by above data contrast, 8% fluorite, 3% soda ash, 4% aluminium vanadine, 7% graphite in 16% the waste slag of electrolytic aluminium replacement original formulation, the cost of raw material reduces by 458.6 yuan/ton.The result that the laboratory is detected not only meets company standard, and has some performances to surpass original formulation, and the on-the-spot operating position of B iron and steel enterprise steel-making continuous casting was following at home after this product lot quantity was produced:
Continuous casting process: casting section 200 * 200mm
2, pulling rate 1.3～1.5m/min, molten steel chemical composition (percentage by weight): C:1.02%, Si:0.28%; Mn:0.26%, P:0.020%, S:0.022%, Cr:1.48%; Open when watering starting, covering slag of the present invention is evenly pushed crystallizer, require evenly to cover whole molten steel face; The total slag blanket of covering slag (being slag layer, sinter layer, liquid slag layer threeply degree sum) keeps black slag operation between 25～40mm, must not make the molten steel face exposed.
Open water after, the molten steel ground roll moves in 3mm, pulling rate is stabilized in 1.5 m/min, this moment measure about liquid slag layer thickness 10mm.After this survey a liquid slag layer at a distance from 20min, its thickness is at 8～12mm.In casting cycle, the crust clustering phenomena is sprawled well, do not had to this covering slag in crystallizer, flare is moderate, the change slag is uniform and stable; Slag bar rule and less need not chosen the slag bar in the casting process.Through statistics, this covering slag slag consumption is about 0.33Kg/ ton steel.Observe strand under the cold conditions, oscillation mark is clear, regular, more shallow, does not have and is stained with slag, volume slag phenomenon, and casting billet surface overall flat lay the grain cunning is no abnormal, and strand primes qualification rate is increased to 99.9% by original 97.1%.
Embodiment three:
Certain billet continuous casting crystallizer protecting residue product; Its composition of raw materials comprises: glass dust, fluorite, soda ash, carbon black, graphite, sodium fluoride, clay, lithium carbonate, manganese carbonate, ice crystal, aluminium vanadine, wollastonite; Its quality percentage composition is respectively 12%, 9%, 15%, 3%, 2%, 4%, 6%, 2%, 4%, 4%, 3%, 36%, and its cost of raw material is 2891 yuan/ton.Said billet continuous casting crystallizer protecting residue company standard: chemical analysis comprises SiO
2, MgO, CaO, Fe
2O
3, Al
2O
3, Na
2O, F, Li
2O, MnO, fugitive constituent and C
Fixing, its quality percentage composition is respectively 32～35%, 1～2%, 22～25%,<2.5%, 3.5～5.5%, 12～14%, 7～9%, 0.5～1%, 2～3.5%, 5～8%, 5～7%; Physical index: basicity 0.68～0.72,930～960 ℃ of fusing points, viscosity 0.12～0.15PaS.
As of the present invention a kind of preferred; This billet continuous casting crystallizer protecting residue; Its raw material packet waste slag of electrolytic aluminium, glass dust, fluorite, soda ash, carbon black, sodium fluoride, clay, calcite, lithium carbonate, manganese carbonate, wollastonite; Its quality percentage composition is respectively 14%, 12%, 3%, 13%, 1%, 1%, 6%, 5%, 2%, 4%, 39%, and its cost of raw material is 2165 yuan/ton.Chemical analysis in the present invention's the billet continuous casting crystallizer protecting residue comprises SiO
2, MgO, CaO, Fe
2O
3, Al
2O
3, Na
2O, F, Li
2O, MnO, fugitive constituent and C
Fixing, its quality percentage composition is respectively 33.18%, 1.5%, 23.21%, 0.88%, 4.18%, 13.44%, 7.33%, 0.76%, 2.97%, 6.63%, 5.92%, and basicity is 0.69,948 ℃ of fusing points, viscosity 0.125PaS.Production method such as embodiment one.
Can know by above data contrast, 6% fluorite, 2% soda ash, 2% carbon black, 3% sodium fluoride, 3% ice crystal, 3% aluminium vanadine, 2% graphite in 14% the waste slag of electrolytic aluminium replacement original formulation, the cost of raw material reduces by 726 yuan/ton.The result that the laboratory is detected not only meets company standard, and has some performances to surpass original formulation, and the on-the-spot operating position of C iron and steel enterprise steel-making continuous casting was following at home after this product lot quantity was produced:
Continuous casting process: casting section 370 * 480mm
2, pulling rate 0.5～0.7m/min, molten steel chemical composition (percentage by weight): C:0.75%, Si:0.20%; Mn:1.11%, P:0.018%, S:0.009%; Open when watering starting, covering slag of the present invention is evenly pushed crystallizer, require evenly to cover whole molten steel face; The total slag blanket of covering slag (being slag layer, sinter layer, liquid slag layer threeply degree sum) keeps black slag operation between 25～40mm, must not make the molten steel face exposed.
Open water after, the molten steel ground roll moves in 3mm, pulling rate is stabilized in 0.7 m/min, this moment measure about liquid slag layer thickness 10mm.After this survey a liquid slag layer at a distance from 20min, its thickness is at 8～12mm.In casting cycle, the crust clustering phenomena is sprawled well, do not had to this covering slag in crystallizer, flare is moderate, the change slag is uniform and stable; Slag bar rule and less need not chosen the slag bar in the casting process.Through statistics, this covering slag slag consumption is about 0.38Kg/ ton steel.Observe strand under the cold conditions, oscillation mark is clear, regular, more shallow, does not have and is stained with slag, volume slag phenomenon, and casting billet surface overall flat lay the grain cunning is no abnormal, and strand primes qualification rate is increased to 99.9% by original 97.6%.
Embodiment four:
Certain billet continuous casting crystallizer protecting residue product; Its composition of raw materials comprises: glass dust, fluorite, clinker, soda ash, carbon black, graphite, cigarette ash, olive sand, manganese carbonate, ice crystal; Its quality percentage composition is respectively 11%, 14%, 17%, 2%, 1%, 18%, 23%, 5%, 1%, 8%, and its cost of raw material is 2539 yuan/ton.Said billet continuous casting crystallizer protecting residue company standard: chemical analysis comprises SiO
2, MgO, CaO, Fe
2O
3, Al
2O
3, Na
2O, F, MnO, fugitive constituent and C
Fixing, its quality percentage composition is respectively 28～31%, 3～4%, 22～25%,<3%, 11～14%, 2～3.5%, 5～7%, 0.5～1.5%,<3%, 18～21%; Physical index: basicity 0.80～0.84,1210～1250 ℃ of fusing points, viscosity 1.0～1.3PaS.
As of the present invention a kind of preferred; This billet continuous casting crystallizer protecting residue; Its raw material packet waste slag of electrolytic aluminium, glass dust, fluorite, clinker, graphite, cigarette ash, olive sand, manganese carbonate, ice crystal; Its quality percentage composition is respectively 10%, 12%, 5%, 28%, 14%, 23%, 5%, 1%, 2%, and its cost of raw material is 1969 yuan/ton.Chemical analysis in the present invention's the billet continuous casting crystallizer protecting residue comprises SiO
2, MgO, CaO, Fe
2O
3, Al
2O
3, Na
2O, F, MnO, fugitive constituent and C
Fixing, its quality percentage composition is respectively 29.00%, 3.63%, 23.73%, 2.55%, 11.32%, 2.91%, 5.87%, 0.74%, 1.16%, 19.09%, and basicity is 0.82,1226 ℃ of fusing points, viscosity 1.241PaS.Production method such as embodiment one.
Can know by above data contrast, 9% fluorite, 2% soda ash, 1% carbon black, 6% ice crystal, 4% graphite in 10% the waste slag of electrolytic aluminium replacement original formulation, the cost of raw material reduces by 570 yuan/ton.The result that the laboratory is detected not only meets company standard, and has some performances to surpass original formulation, and the on-the-spot operating position of D iron and steel enterprise steel-making continuous casting was following at home after this product lot quantity was produced:
Continuous casting process: casting section 150 * 150mm
2, pulling rate 2～2.5m/min, molten steel chemical composition (percentage by weight): C:0.08%, Si:0.18%; Mn:0.31%, P:0.033%, S:0.028%; Open when watering starting, covering slag of the present invention is evenly pushed crystallizer, require evenly to cover whole molten steel face; The total slag blanket of covering slag (being slag layer, sinter layer, liquid slag layer threeply degree sum) keeps black slag operation between 25～40mm, must not make the molten steel face exposed.
Open water after, the molten steel ground roll moves in 3mm, pulling rate is stabilized in 2.5m/min, this moment measure about liquid slag layer thickness 10mm.After this survey a liquid slag layer at a distance from 20min, its thickness is at 8～12mm.In casting cycle, the crust clustering phenomena is sprawled well, do not had to this covering slag in crystallizer, flare is moderate, the change slag is uniform and stable; Slag bar rule and less need not chosen the slag bar in the casting process.Through statistics, this covering slag slag consumption is about 0.36Kg/ ton steel.Observe strand under the cold conditions, oscillation mark is clear, regular, more shallow, does not have and is stained with slag, volume slag phenomenon, and casting billet surface overall flat lay the grain cunning is no abnormal, and strand primes qualification rate is increased to 99.9% by original 97.9%.
Claims (2)
1. billet continuous casting crystallizer protecting residue, it is characterized in that: its chemical analysis comprises SiO
2, MgO, CaO, Fe
2O
3, Al
2O
3, Na
2O, F, Li
2O, MnO, fugitive constituent and C
Fixing, its quality percentage composition is respectively 26～36%, 0.1～5%, 19～31%, 0.2～2.5%, 2.5～14%, 2～14%, 2.5～8%, 0～1.5%, 0～3%, 0.5～10,5～25%; Basicity 0.6～0.96,930～1250 ℃ of fusing points, viscosity 0.12～1.30PaS.
2. the production method of billet continuous casting crystallizer protecting residue as claimed in claim 1 may further comprise the steps,
A, raw material are handled: waste slag of electrolytic aluminium is processed into 300 purpose powder, controls its water content less than 1%, and it is carried out the batch mixing;
B, raw material detect: its chemical analysis of sample analysis;
C, the design of continuous crystallizer protecting slag formula for a product: after chemical analysis is confirmed, as required, utilize the prescription of the known raw material design of waste slag of electrolytic aluminium and other continuous crystallizer protecting slag;
D, batching: with subsequent use behind waste slag of electrolytic aluminium raw material and the ratio mixing of other raw material powders in set component design;
E, the stirring of sizing mixing: with the mixing material add in levigator, stir behind the water go into tower behind the 30-40min before agitator stir;
E, granulation: the slip mist projection granulating after will stirring;
F, qualified finished product packing warehouse-in.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101096049A (en) * | 2006-06-28 | 2008-01-02 | 宝山钢铁股份有限公司 | Low-contamination type continuous casting protection slag |
| CN101502871A (en) * | 2009-02-27 | 2009-08-12 | 莱芜钢铁股份有限公司 | Cogged ingot continuous casting crystallizer protecting slag and preparation method thereof |
| CN101628326A (en) * | 2009-08-17 | 2010-01-20 | 河南省西保冶材集团有限公司 | Square billet ultra-low carbon steel continuous casting functional protection material |
| CN101947644A (en) * | 2010-08-28 | 2011-01-19 | 西峡龙成冶金材料有限公司 | High-manganese high-nitrogen low-nickel stainless steel plate blank continuous casting crystallizer covering slag and preparation method thereof |
| CN101984088A (en) * | 2010-11-16 | 2011-03-09 | 东北大学 | Method for preparing premelted refining slag by using converter slag and aluminum slag |
-
2011
- 2011-12-31 CN CN201110458736XA patent/CN102554161A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101096049A (en) * | 2006-06-28 | 2008-01-02 | 宝山钢铁股份有限公司 | Low-contamination type continuous casting protection slag |
| CN101502871A (en) * | 2009-02-27 | 2009-08-12 | 莱芜钢铁股份有限公司 | Cogged ingot continuous casting crystallizer protecting slag and preparation method thereof |
| CN101628326A (en) * | 2009-08-17 | 2010-01-20 | 河南省西保冶材集团有限公司 | Square billet ultra-low carbon steel continuous casting functional protection material |
| CN101947644A (en) * | 2010-08-28 | 2011-01-19 | 西峡龙成冶金材料有限公司 | High-manganese high-nitrogen low-nickel stainless steel plate blank continuous casting crystallizer covering slag and preparation method thereof |
| CN101984088A (en) * | 2010-11-16 | 2011-03-09 | 东北大学 | Method for preparing premelted refining slag by using converter slag and aluminum slag |
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| CN105033208B (en) * | 2015-07-14 | 2017-05-03 | 河南科技大学 | High-carbon low-chromium stainless steel crystallizer casting powder and preparation method thereof |
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| CN106493319A (en) * | 2016-10-24 | 2017-03-15 | 唐山市鑫焱昌科技有限公司 | High pulling rate continuous small-billet casting covering slag and preparation method thereof |
| CN113059136A (en) * | 2021-03-12 | 2021-07-02 | 鞍钢股份有限公司 | Control method for eliminating vibration mark defect of square billet cold forging steel |
| CN113059136B (en) * | 2021-03-12 | 2022-05-20 | 鞍钢股份有限公司 | Control method for eliminating vibration mark defect of square billet cold forging steel |
| CN113333702A (en) * | 2021-06-29 | 2021-09-03 | 广东韶钢松山股份有限公司 | High-carbon chromium bearing steel continuous casting crystallizer casting powder and application thereof |
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Application publication date: 20120711 |