CN1873030A - Assistant deoxidizer in use for smelting cold rolled and hot rolled low carbon aluminium-killed steel - Google Patents
Assistant deoxidizer in use for smelting cold rolled and hot rolled low carbon aluminium-killed steel Download PDFInfo
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- CN1873030A CN1873030A CN 200610039056 CN200610039056A CN1873030A CN 1873030 A CN1873030 A CN 1873030A CN 200610039056 CN200610039056 CN 200610039056 CN 200610039056 A CN200610039056 A CN 200610039056A CN 1873030 A CN1873030 A CN 1873030A
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- deoxidizer
- steel
- low carbon
- rolled
- assistant
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- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 229910000655 Killed steel Inorganic materials 0.000 title claims abstract description 14
- 238000003723 Smelting Methods 0.000 title abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 5
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 5
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 5
- 239000004411 aluminium Substances 0.000 claims description 27
- 229910052782 aluminium Inorganic materials 0.000 claims description 27
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 27
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 17
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 17
- 238000005097 cold rolling Methods 0.000 claims description 14
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 11
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 10
- 239000000292 calcium oxide Substances 0.000 claims description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 4
- 239000005864 Sulphur Substances 0.000 claims description 4
- 239000011574 phosphorus Substances 0.000 claims description 4
- 229960001866 silicon dioxide Drugs 0.000 claims description 4
- 231100000241 scar Toxicity 0.000 abstract description 4
- 239000000161 steel melt Substances 0.000 abstract 4
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 59
- 239000010959 steel Substances 0.000 description 59
- 235000010210 aluminium Nutrition 0.000 description 25
- 239000000843 powder Substances 0.000 description 14
- 238000007670 refining Methods 0.000 description 14
- 239000002994 raw material Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 241001062472 Stokellia anisodon Species 0.000 description 8
- 239000011521 glass Substances 0.000 description 7
- 235000012204 lemonade/lime carbonate Nutrition 0.000 description 7
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000002893 slag Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000005275 alloying Methods 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000003755 preservative agent Substances 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000012798 spherical particle Substances 0.000 description 4
- 238000009628 steelmaking Methods 0.000 description 4
- 229910000640 Fe alloy Inorganic materials 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910018619 Si-Fe Inorganic materials 0.000 description 2
- 229910008289 Si—Fe Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- -1 aluminum-manganese-iron Chemical compound 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000005496 eutectics Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 229910014460 Ca-Fe Inorganic materials 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Abstract
This invention discloses an auxiliary deoxidizer used in smelting cold-rolled and hot-rolled low carbon aluminum-killed steel. The auxiliary deoxidizer comprises: Al 35-45 wt.%, CaO 5-11 wt.%, Al2O3 15-25 wt.%, SiO2 less than or equal to 6 wt.%, S less than or equal to 0.03 wt.%, P less than or equal to 0.03 wt.% and SiC. The auxiliary deoxidizer can be used in steel melt for manufacturing cold-rolled and hot-rolled low carbon aluminum-killed steel, and can reduce tundish to 20%, reduce deoxidizer consumption by 30%, reduce lard and scar defects of the steel melt, improve the purity of the steel melt, maintain the temperature of the steel melt, and increase the utilization rate of deoxidizer.
Description
Technical field
The invention belongs to outer processing of molten steel stove and refining, alloying process, be specifically related to a kind of additive that molten steel is carried out the double liquid steel refining of molten steel surface insulation of Alloying Treatment, especially for the assistant deoxidizer of smelting cold rolling and hot-rolled low carbon aluminium killed steel, and after just producing steel and adding, can make heat preserving agent by very fast covering molten steel surface, after it is transferred to refining furnace with molten steel, has strong desoxydatoin and synthesize well behaved refining agent.
Background technology
As everyone knows, along with the day by day raising of development and national economy to steel grade and specification of quality thereof, the smelting technology of steel develops into two step method steel-making by original single stage method steel-making, and refining and two steps of refining are carried out at the beginning of promptly dividing.By the content of first refining control liquid steel temperature and principal element, make deoxidation removal of impurities Alloying Treatment by refining, to obtain the steel grade of expection kind and quality.
In steel-making, just steel-making water needs at the molten steel surface covering and heat insulating agent before entering refining furnace, to prevent molten steel cooling and surface oxidation, then need carry out deoxidation and Alloying Treatment after entering refining furnace, and the refining slag that causes certain ingredients reaches the purpose of purify hot metal with the detrimental impurity in absorption deoxidation products and the steel.
The insulation measure prior art of molten steel surface roughly has following three kinds: the one, and molten steel band slag is come out of the stove, and utilizes the slag lid of molten steel surface that molten steel is isolated insulation, and this method makes molten steel during refining owing to the reduction of slag is mixed a large amount of the returning of molten steel.The 2nd, molten steel is not with slag to come out of the stove, molten steel surface add heat-insulating property preferably carbonaceous heat preserving agent (as carbonization rice husk) molten steel is isolated insulation, but the carbonaceous heat preserving agent is totally unfavorable to the smelting low carbon steel grade to the recarburization that molten steel causes.The 3rd, adopt low-carbon (LC) protective material, though this protective material has been avoided the undue recarburization of molten steel, the main component Al in the coal dust ash based on the coal dust ash
2O
3And SiO
2, on the one hand during refining owing to reductive action generation molten steel " time silicon " phenomenon, for smelting very unfavorable, a large amount of on the other hand Al of some low-carbon (LC) steel grade (as the deep drawing sheet steel)
2O
3Need to consume a large amount of CaO (lime powder) to form CaAl
2O
4(calcium metaaluminate) slagging come-up, otherwise to reducing the Al in the steel
2O
3It is also very unfavorable to be mingled with.
The deoxidation of molten steel (particularly Clean Steel and ultra-clean steel) finally all will be adopted metallic aluminium, and deoxidation products Al
2O
3Fusing point be 2050 ℃, in molten steel, exist with dendritic or needle-like, cause when the molten steel condensation that dendritic or needle oxide is mingled with in the steel, influenced the quality of steel.In the prior art, adopt composite deoxidant (as AL-Si-Fe alloy, aluminum-manganese-iron alloy) on the one hand, to form Al
2O
3, SiO
2Or MnO, Al
2O
3The low melting point eutectic be convenient to the slagging come-up, but this method use range is limited, because be difficult to form the oxide compound of silicon or manganese under the situation that has a large amount of metallic aluminiums to exist.Al-Ca-Fe alloy and aluminium barium-ferrum alloy at the iron alloy area research replace AL-Si-Fe alloy and aluminum-manganese-iron alloy with this, solve the compound slagging problem of smelting Clean Steel or ultra-clean steel deoxidation products, but have not yet to see the report of success.Be during refining in molten steel, to add calcium oxide on the other hand, to form CaO.Al
2O
3(calcium metaaluminate) low melting point eutectic slagging come-up, but this method be deoxidation preceding, the compound slagging of deoxidation products after, the Al of disperse in steel
2O
3Need considerable time to combine slagging and float, remove Al with CaO
2O
3Dynamic conditions very undesirable.
For making molten steel reach pure, it is assorted that the molten steel degree of depth is taken off, but take off assorted condition and must carry out strong oxygen blast molten steel, make the oxidation of impurities slagging come-up in the molten steel, but the oxygen level in the molten steel can rise simultaneously, must carry out deoxidation treatment to molten steel, the deoxidation material has aluminium, calcium, magnesium, silicon, manganese etc., if adopt the calcium deoxidation then cost is too high, if adopt the magnesium deoxidation then have security hidden danger, silicon, the deoxidation effect of materials such as manganese does not reach re-set target again, original fine aluminium that adopts, ferroaluminium can reach Clean Steel deoxidation target, but can not generate the molten steel surface heat preserving agent, be unfavorable for the absorption of deoxidation products and impurity.
Summary of the invention
The object of the present invention is to provide a kind of assistant deoxidizer cold rolling and the hot-rolled low carbon aluminium killed steel that is used to smelt, this assistant deoxidizer is added in the ladle, can reduce the loss of molten steel jar tundish AlS; Reduce every stove reductor add-on; Improve being mingled with and scar shape defective in cold rolling and the hot-rolled sheet; Improve the molten steel purity; The protection liquid steel temperature, the utilization ratio of raising reductor.
The present invention solves technology and the case that its technical problem adopts: a kind ofly be used to smelt assistant deoxidizer cold rolling and the hot-rolled low carbon aluminium killed steel, it contains metallic aluminium (Al), calcium oxide (CaO), aluminium sesquioxide (Al
2O
3), silicon-dioxide (SiO
2), sulphur (S), phosphorus (P) and silicon carbide (SiO), its component content is by weight percentage: aluminium 35～45; Calcium oxide 5～11; Aluminium sesquioxide 15～25; Silicon-dioxide≤6; Sulphur≤0.03; Phosphorus≤0.03; The silicon carbide surplus.Of the present inventionly be used to smelt assistant deoxidizer cold rolling and the hot-rolled low carbon aluminium killed steel and be made into pelletizing, so as wherein contained aluminium in a single day become aluminium sesquioxide promptly and wherein contained aluminium sesquioxide generate low-melting composite oxides CaO-Al with wherein active calcium oxide reaction immediately together
2O
3And from molten steel, float in the slag rapidly.
The assistant deoxidizer that is used to smelt cold rolling and hot-rolled low carbon aluminium killed steel of the present invention can as bath of glass, be made ball with the pelletizer of routine with conventional tackiness agent.Described adhesive consumption is not done special qualification, as long as described raw material can be bonded together; Simultaneously the size and dimension of the assistant deoxidizer ball that is used to smelt cold rolling and hot-rolled low carbon aluminium killed steel is not done special qualification, the sphere that is roughly diameter 10～20mm can satisfy service requirements.
The preparation technology of the assistant deoxidizer that is used to smelt cold rolling and hot-rolled low carbon aluminium killed steel of the present invention is as follows: the metallic aluminium powder with sampling analysis after qualified, lime carbonate, aluminum oxide, silicon carbide and bath of glass buying put in place and divide storage to deposit, the starting material weighing and proportioning that chemical examination is qualified, drop into then in the rotary drum mixer and mix, add bath of glass again, continuously stirring mixes in stirrer, immediately material is dropped into roll extrusion balling-up in the pelletizer then, sieving qualified grade enters in the air cooking equipment with 150 ℃～200 ℃ air cooking 20～24 hours, naturally cooling is 10～12 hours behind finished product moisture content≤0.5%, screening, packing, warehouse-in.
The invention has the beneficial effects as follows, the assistant deoxidizer adding molten steel that is used for smelting cold rolling and hot-rolled low carbon aluminium killed steel of the present invention, the loss that can reduce molten steel jar tundish AlS is below 20%; Reduce every stove reductor add-on 30%; Improve being mingled with and scar shape defective in cold rolling and the hot-rolled sheet; Improve the molten steel purity; The protection liquid steel temperature, the utilization ratio of raising reductor.
Embodiment
Raw-material preparation:
Component content by each raw-material Chemical Composition is respectively by weight percentage:
Metallic aluminium powder: Al 〉=95%;
Lime carbonate: CaCO
3〉=98%;
Silicon carbide: SiC 〉=80%;
Aluminum oxide powder: Al
2O
3〉=85% requirement, with metallic aluminium powder, lime carbonate, silicon carbide, aluminum oxide powder and bath of glass purchase respectively put in place and divide the storage deposit, to the starting material sampling analysis.The qualified raw material of chemical examination is weighed, and each raw-material ratio requirement is respectively by weight percentage:
Metallic aluminium powder: 35～45;
Lime carbonate: 12～30;
Aluminum oxide powder: 15～25;
Silicon carbide: surplus;
Above-mentioned raw materials dropped in the rotary drum mixer mix (15 minutes), input mother-in-law U.S. degree is 37 bath of glass 5Kg and uniform mixing in the twin screws stirrer in the material that mixes, the material of uniform mixing is rolled into the spherical particle of 10～20mm in the pair roller type ball press, with the spherical particle input is in the drying plant of fuel with the coke, hot blast with 200 ℃ of left and right sides temperature, through oven dry in 20～24 hours, treat that moisture content of finished products is less than after 0.2%, naturally cooling 10～12 hours screens once more, packs, puts in storage.
The component content of the chemical ingredients through chemically examining its finished product is by weight percentage:
Al：35～45；
CaO：5～11；
Al
2O
3：15～25；
SiO：≤6；
S：≤0.03；
P：≤0.03；
SiC: surplus.
Of the present inventionly be used to smelt assistant deoxidizer cold rolling and the hot-rolled low carbon aluminium killed steel, measure through the Shanghai Baosteel is on probation, this assistant deoxidizer is added in ladle, the loss that can reduce molten steel jar tundish AlS is below 20%; Reduce every stove reductor add-on 30%; Improve being mingled with and scar shape defective in cold rolling and the hot-rolled sheet; Improve the molten steel purity; The protection liquid steel temperature, the utilization ratio of raising reductor.
Preferred forms of the present invention:
Raw-material preparation:
Component content by each raw-material Chemical Composition is respectively by weight percentage:
Metallic aluminium powder: Al 〉=95%;
Lime carbonate: CaCO
3〉=98%;
Silicon carbide: SiC 〉=80%;
Aluminum oxide powder: Al
2O
3〉=85% requirement, with metallic aluminium powder, lime carbonate, silicon carbide, aluminum oxide powder and bath of glass purchase respectively put in place and divide the storage deposit, to the starting material sampling analysis.The qualified raw material of chemical examination is weighed, wherein:
Metallic aluminium powder: 41Kg;
Lime carbonate: 17.2Kg;
Silicon carbide: 20.5Kg;
Aluminum oxide powder: 21.3Kg;
To mix (15 minutes) in the above-mentioned raw material input rotary drum mixer of weighing, input mother-in-law U.S. degree is 37 bath of glass 5Kg and uniform mixing in the twin screws stirrer in the material that mixes, the material of uniform mixing is rolled into the spherical particle of 10～20mm in the pair roller type ball press, with the spherical particle input is in the drying plant of fuel with the coke, hot blast with 200 ℃ of left and right sides temperature, through oven dry in 20～24 hours, treat that moisture content of finished products is less than after 0.2%, naturally cooling 10～12 hours screens once more, packs, puts in storage.
The component content of the chemical ingredients of above embodiment finished product is by weight percentage:
Al：40；
CaO：9.6；
Al
2O
3：20；
SiO
2：5.2；
P：0.03；
S：0.03；
SiC: surplus.
Claims (1)
1, a kind ofly be used for assistant deoxidizer cold rolling and the hot-rolled low carbon aluminium killed steel, it is characterized in that: it contains metallic aluminium, calcium oxide, aluminium sesquioxide, silicon-dioxide, sulphur, phosphorus and silicon carbide, and its component content is by weight percentage: aluminium 35～45; Calcium oxide 5～11; Aluminium sesquioxide 15～25; Silicon-dioxide≤6; Sulphur≤0.03; Phosphorus≤0.03; The silicon carbide surplus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100390563A CN100432241C (en) | 2006-03-24 | 2006-03-24 | Assistant deoxidizer in use for smelting cold rolled and hot rolled low carbon aluminium-killed steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100390563A CN100432241C (en) | 2006-03-24 | 2006-03-24 | Assistant deoxidizer in use for smelting cold rolled and hot rolled low carbon aluminium-killed steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1873030A true CN1873030A (en) | 2006-12-06 |
| CN100432241C CN100432241C (en) | 2008-11-12 |
Family
ID=37483629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100390563A Expired - Fee Related CN100432241C (en) | 2006-03-24 | 2006-03-24 | Assistant deoxidizer in use for smelting cold rolled and hot rolled low carbon aluminium-killed steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100432241C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812568A (en) * | 2010-04-28 | 2010-08-25 | 河南省西保冶材集团有限公司 | Kalzium metal for deoxidization during steel making |
| CN101880750A (en) * | 2010-08-16 | 2010-11-10 | 上海盛宝钢铁冶金炉料有限公司 | Aluminium compound deoxidizer |
| CN106755735A (en) * | 2017-01-11 | 2017-05-31 | 上海缘科金属材料有限公司 | One kind is made steel with efficient aluminum deoxidier |
| CN114214482A (en) * | 2021-12-01 | 2022-03-22 | 钢城集团凉山瑞海实业有限公司 | Pellet for adsorbing aluminum oxide inclusion in steel ladle molten steel |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS521694B2 (en) * | 1973-10-11 | 1977-01-17 | ||
| GB2043110A (en) * | 1978-12-15 | 1980-10-01 | Sueddeutsche Kalkstickstoff | Deoxidising steel |
| CN1027701C (en) * | 1989-08-07 | 1995-02-22 | 冶金工业部攀枝花钢铁公司钢铁研究院 | Deoxidizing agent for converter steelmaking |
| CN1212409C (en) * | 2002-08-26 | 2005-07-27 | 谢廷声 | Compound deoxidant for solid steel |
| CN1238533C (en) * | 2003-01-27 | 2006-01-25 | 梅一峰 | High alumina slag ball and preparing method thereof |
| CN1441066A (en) * | 2003-03-31 | 2003-09-10 | 鞍山市安力耐火材料有限公司 | Slagging aluminium ball and its making process |
| CN1616686A (en) * | 2003-11-10 | 2005-05-18 | 勾子践 | Slag making agent of aluminium an calcium substance |
-
2006
- 2006-03-24 CN CNB2006100390563A patent/CN100432241C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812568A (en) * | 2010-04-28 | 2010-08-25 | 河南省西保冶材集团有限公司 | Kalzium metal for deoxidization during steel making |
| CN101812568B (en) * | 2010-04-28 | 2013-06-12 | 河南省西保冶材集团有限公司 | Kalzium metal for deoxidization during steel making |
| CN101880750A (en) * | 2010-08-16 | 2010-11-10 | 上海盛宝钢铁冶金炉料有限公司 | Aluminium compound deoxidizer |
| CN106755735A (en) * | 2017-01-11 | 2017-05-31 | 上海缘科金属材料有限公司 | One kind is made steel with efficient aluminum deoxidier |
| CN114214482A (en) * | 2021-12-01 | 2022-03-22 | 钢城集团凉山瑞海实业有限公司 | Pellet for adsorbing aluminum oxide inclusion in steel ladle molten steel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100432241C (en) | 2008-11-12 |
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