CN1074048C - Composite Si-B-Al-Ca-Fe deoxidant and its preparing process - Google Patents
Composite Si-B-Al-Ca-Fe deoxidant and its preparing process Download PDFInfo
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- CN1074048C CN1074048C CN99105492A CN99105492A CN1074048C CN 1074048 C CN1074048 C CN 1074048C CN 99105492 A CN99105492 A CN 99105492A CN 99105492 A CN99105492 A CN 99105492A CN 1074048 C CN1074048 C CN 1074048C
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- aluminum
- silicon
- barium
- calcium
- barite
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- 239000002131 composite material Substances 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 13
- 229910014460 Ca-Fe Inorganic materials 0.000 title claims 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 32
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000292 calcium oxide Substances 0.000 claims abstract description 16
- 235000012255 calcium oxide Nutrition 0.000 claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000003723 Smelting Methods 0.000 claims abstract description 14
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 11
- 229910052601 baryte Inorganic materials 0.000 claims abstract description 11
- 239000010428 baryte Substances 0.000 claims abstract description 11
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 11
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000003610 charcoal Substances 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 7
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- 239000011575 calcium Substances 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052788 barium Inorganic materials 0.000 claims description 5
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 241001062472 Stokellia anisodon Species 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 2
- 239000004927 clay Substances 0.000 claims 2
- 238000005520 cutting process Methods 0.000 claims 2
- 238000010076 mixing by material Methods 0.000 claims 1
- -1 silicon-barium-aluminum-calcium-iron Chemical compound 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 229910001570 bauxite Inorganic materials 0.000 abstract description 8
- 239000000571 coke Substances 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 5
- 238000009628 steelmaking Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- OOJQNBIDYDPHHE-UHFFFAOYSA-N barium silicon Chemical compound [Si].[Ba] OOJQNBIDYDPHHE-UHFFFAOYSA-N 0.000 description 1
- OSMSIOKMMFKNIL-UHFFFAOYSA-N calcium;silicon Chemical compound [Ca]=[Si] OSMSIOKMMFKNIL-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
本发明为一种硅钡铝钙铁复合脱氧剂的制备方法。本硅钡铝钙铁复合脱氧剂原料包括硅石、重晶石、铝钒土、生石灰和铁屑。制备方法包括将硅石、重晶石、铝矾土及生石灰破碎至20-100毫米，去除杂质，按料比与焦粒、木炭、钢屑混合，投入矿热炉中进行冶炼，冶炼温度1500-2500℃，冶炼时间为1-4小时，即为成品。本发明的方法科学合理，不仅减少冶炼程序，还具有方法简便，耗能低等优点，生产实践证明，每生产一吨硅钡铝钙铁复合脱氧剂可节约1200度电及400元生产成本和劳力，还可为国家节约大量的铝锭。The invention relates to a preparation method of a silicon-barium-aluminum-calcium-iron composite deoxidizer. The raw materials of the silicon-barium-aluminum-calcium-iron composite deoxidizer include silica, barite, bauxite, quicklime and iron filings. The preparation method includes crushing silica, barite, bauxite and quicklime to 20-100 mm, removing impurities, mixing them with coke, charcoal, and steel shavings according to the material ratio, and putting them into submerged arc furnaces for smelting. The smelting temperature is 1500- 2500 ℃, smelting time is 1-4 hours, that is the finished product. The method of the present invention is scientific and reasonable, not only reduces smelting procedures, but also has the advantages of simple method and low energy consumption. Production practice proves that every ton of silicon-barium-aluminum-calcium-iron composite deoxidizer can save 1200 kWh of electricity and 400 yuan of production cost and Labor can also save a lot of aluminum ingots for the country.
Description
本发明涉及炼钢用复合脱氧剂，特别是一种硅钡铝钙铁复合脱氧剂及其制备方法。The invention relates to a composite deoxidizer for steelmaking, in particular to a silicon-barium-aluminum-calcium-iron composite deoxidizer and a preparation method thereof.
硅钡铝钙铁合金产品是现在炼钢生产脱氧效果最好的一种新型复合脱氧剂。当前炼钢生产中是用纯铅和添加硅钡、硅钙、硅铝铁的方法进行钢水脱氧，这样不但工艺繁琐，劳动强度大，耗能高，成本增加较多，并且脱氧效果较差，各元素的利用率也较低。Silicon-barium-aluminum-calcium-iron alloy products are a new type of composite deoxidizer with the best deoxidation effect in steelmaking production. In the current steelmaking production, molten steel is deoxidized by pure lead and adding silicon-barium, silicon-calcium, silicon-aluminum-iron, which not only has cumbersome process, high labor intensity, high energy consumption, high cost increase, but also poor deoxidation effect. The utilization rate of each element is also low.
本发明的目的是提供一种以含硅、钡、铝的矿石为原料，配加生石灰，选用适当的配方冶炼的硅钡铝钙铁合金复合脱氧剂。The object of the present invention is to provide a silicon-barium-aluminum-calcium-iron alloy composite deoxidizer which uses ores containing silicon, barium and aluminum as raw materials, adds quicklime, and selects an appropriate formula for smelting.
本发明的另一个目的是提供一种可以简化生产工艺过程，从而可节约能源和降低成本的上述复合脱氧剂的制备方法。Another object of the present invention is to provide a method for preparing the above-mentioned composite deoxidizer that can simplify the production process, thereby saving energy and reducing costs.
本发明的复合脱氧剂硅钡铝钙铁合金产品及生产方法，是在大量筛选试验的基础上，选用富含硅、铝、钡的矿石与生石灰、钢屑、焦粒等碳素原料混合，在矿热炉中一次冶炼而成硅钡铝钙铁合金。其原料组成为：Composite deoxidizer silicon-barium-aluminum-calcium-iron alloy product and production method of the present invention, on the basis of a large number of screening tests, select the ore rich in silicon, aluminum, barium to mix with carbon raw materials such as quicklime, steel shavings, coke grains, etc. Silicon-barium-aluminum-calcium-iron alloy is smelted in a submerged arc furnace at one time. Its raw materials are composed of:
本发明的硅钡铝钙铁复合脱氧剂的原料包括硅石、重晶石、铝钒土、生石灰和铁屑，其中所述各种成份的重量份数配比为：The raw materials of the silicon-barium-aluminum-calcium-iron composite deoxidizer of the present invention include silica, barite, bauxite, quicklime and iron filings, wherein the ratio of parts by weight of the various components is:
硅 石(SiO2＞90％) 10-60份 重晶石(BaSO4＞85％) 5-30份Silica (SiO 2 >90%) 10-60 parts Barite (BaSO 4 >85%) 5-30 parts
铝矾土(AI2O3＞65％) 5-30份 生石灰(CaO＞80％) 5-50份Bauxite (AI 2 O 3 ＞65%) 5-30 parts Quicklime (CaO＞80%) 5-50 parts
钢 屑(Fe＞95％) 0.5-10份 焦 粒(C＞78％) 10-35份Steel shavings (Fe>95%) 0.5-10 parts Coke grains (C>78%) 10-35 parts
木 炭(C＞85％) 4-15份Charcoal (C>85%) 4-15 parts
本发明的硅钡铝钙铁复合脱氧剂的制备方法包括将硅石、重晶石、铝矾土及生石灰破碎至20-100毫米，去除杂质，按料比与焦粒、木炭、钢屑混合，投入矿热炉中进行冶炼，冶炼温度1500-2500℃，冶炼时间为1-4小时，即为成品。The preparation method of the silicon-barium-aluminum-calcium-iron composite deoxidizer of the present invention comprises crushing silica, barite, bauxite and quicklime to 20-100 mm, removing impurities, mixing with coke grains, charcoal and steel shavings according to the material ratio, Throw it into a submerged arc furnace for smelting, the smelting temperature is 1500-2500°C, and the smelting time is 1-4 hours, which is the finished product.
经检测，其中化学成份组成(重量)为：硅(Si)10-60％，钡(Ba)5-28％，铝(Al)2-29％，钙(Ca)2-25％，铁(Fe)余量。After testing, the chemical composition (weight) is: silicon (Si) 10-60%, barium (Ba) 5-28%, aluminum (Al) 2-29%, calcium (Ca) 2-25%, iron ( Fe) balance.
其中，所述破碎过程为机械或人工破碎。Wherein, the crushing process is mechanical or manual crushing.
用本发明的方法生产的炼钢复合脱氧剂，经炼钢脱氧试验表明：完全达到硅钡铝钙铁合金的较好的脱氧效果，由于直接用含硅、铝、钡的矿石和钢屑、生石灰、焦粒等为原料，在矿热炉中一次冶炼成产品，免去了由矿石冶炼成金属(如由铝矿石粉电解成铝锭)或合金，再进行二次冶炼，因而造成人力和能源的浪费及生产效率低的缺陷。本发明的方法科学合理，不仅减少冶炼程序，还具有方法简便，耗能低等优点，生产实践证明，每生产一吨硅钡铝钙铁复合脱氧剂可节约1200度电及400元生产成本和劳力，还可为国家节约大量的铝锭。The steel-making composite deoxidizer produced by the method of the present invention shows through the steel-making deoxidation test that: the better deoxidation effect of the silicon-barium-aluminum-calcium-iron alloy is fully achieved. , coke grains, etc. are used as raw materials, and are smelted into products in a submerged arc furnace at one time, eliminating the need to smelt ore into metals (such as electrolysis of aluminum ore powder into aluminum ingots) or alloys, and then carry out secondary smelting, resulting in labor and energy costs. waste and low production efficiency. The method of the present invention is scientific and reasonable, not only reduces smelting procedures, but also has the advantages of simple method and low energy consumption. Production practice proves that every ton of silicon-barium-aluminum-calcium-iron composite deoxidizer can save 1200 kWh of electricity and 400 yuan of production cost and Labor can also save a lot of aluminum ingots for the country.
下面结合实施例进一步描述本发明。The present invention is further described below in conjunction with embodiment.
实施例Example
一种硅钡铝钙铁复合脱氧剂，其原料包括硅石、重晶石、铝钒土、生石灰和铁屑；其中所述各种成份的重量份数配比为：A silicon-barium-aluminum-calcium-iron composite deoxidizer, its raw materials include silica, barite, bauxite, quicklime and iron filings; wherein the proportions by weight of the various components are:
硅 石(SiO2＞90％) 180kg 重晶石(BaSO4＞85％) 60kgSilica (SiO 2 >90%) 180kg Barite (BaSO 4 >85%) 60kg
铝矾土(AI2O3＞65％) 20kg 生石灰(CaO＞80％) 50kgBauxite (AI 2 O 3 ＞65%) 20kg Quicklime (CaO＞80%) 50kg
钢 屑(Fe＞95％) 10kg 焦 粒(C＞78％) 110kgSteel shavings (Fe＞95%) 10kg Coke grains (C＞78%) 110kg
木 炭(C＞85％) 20kgCharcoal (C>85%) 20kg
制备时，先将包括将硅石、重晶石、铝矾土及生石灰用人工方法破碎至80毫米，去除杂质，按料比与焦粒、木炭、钢屑混合，投入矿热炉中进行冶炼，冶炼温度2000℃，冶炼时间为3小时，即为成品。When preparing, firstly crush silica, barite, bauxite and quicklime to 80 mm by manual method, remove impurities, mix with coke grains, charcoal and steel shavings according to the material ratio, and put them into submerged arc furnace for smelting. The smelting temperature is 2000°C, and the smelting time is 3 hours, which is the finished product.
经检测，其中化学成份组成(重量)为：硅(Si)50％，钡(Ba)20％，铝(Al)7％，钙(Ca)10％，铁(Fe)余量。After testing, the chemical composition (weight) is: silicon (Si) 50%, barium (Ba) 20%, aluminum (Al) 7%, calcium (Ca) 10%, iron (Fe) balance.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN99105492A CN1074048C (en) | 1999-04-08 | 1999-04-08 | Composite Si-B-Al-Ca-Fe deoxidant and its preparing process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN99105492A CN1074048C (en) | 1999-04-08 | 1999-04-08 | Composite Si-B-Al-Ca-Fe deoxidant and its preparing process |
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| CN1243883A CN1243883A (en) | 2000-02-09 |
| CN1074048C true CN1074048C (en) | 2001-10-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020010209A1 (en) * | 2018-07-03 | 2020-01-09 | Bozel Brasil Sa | Calcium, aluminum and silicon alloy, as well as a process for the production of the same |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101492757B (en) * | 2008-01-24 | 2011-07-13 | 宝山钢铁股份有限公司 | Calcium-silicon alloy metallurgical material |
| CN102758062B (en) * | 2012-06-21 | 2013-12-18 | 芜湖县天海耐火炉料有限公司 | Composite silicomanganese deoxidizer and preparation method thereof |
| CN102758057B (en) * | 2012-06-21 | 2013-12-18 | 芜湖县天海耐火炉料有限公司 | Silicon-manganese-calcareous shale deoxidizer and preparation method thereof |
| CN114015888A (en) * | 2021-11-04 | 2022-02-08 | 金川集团股份有限公司 | Intermediate frequency furnace nickel smelting composite diffusion deoxidizer and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU534501A1 (en) * | 1975-01-06 | 1976-11-05 | Карагандинский металлургический комбинат | The method of steelmaking |
| CN1030096A (en) * | 1987-06-24 | 1989-01-04 | 本溪市金属材料厂 | Si-al-fe composite deoxidizing agent |
| CN1052901A (en) * | 1989-12-28 | 1991-07-10 | 本溪冶炼厂 | With alkaline-earth metal production NEW TYPE OF COMPOSITE deoxidant Si-Al-Ba-Fe alloy alloy |
| CN1072726A (en) * | 1992-12-01 | 1993-06-02 | 滕忠升 | Be used for silicon-aluminum-barium-strontium-iron alloy of steel-deoxidizing and preparation method thereof |
| CN1128803A (en) * | 1995-02-11 | 1996-08-14 | 围场满族蒙古族自治县铁合金冶炼厂 | Composite deoxidant Si-Al-Ba-Fe alloy prodn. method |
| CN1133892A (en) * | 1995-04-18 | 1996-10-23 | 河南省淅川县冶金材料厂 | Process for production of compound deoxidizer of Si-Al-Ba-Fe alloy in one-step in blast furnace |
-
1999
- 1999-04-08 CN CN99105492A patent/CN1074048C/en not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU534501A1 (en) * | 1975-01-06 | 1976-11-05 | Карагандинский металлургический комбинат | The method of steelmaking |
| CN1030096A (en) * | 1987-06-24 | 1989-01-04 | 本溪市金属材料厂 | Si-al-fe composite deoxidizing agent |
| CN1052901A (en) * | 1989-12-28 | 1991-07-10 | 本溪冶炼厂 | With alkaline-earth metal production NEW TYPE OF COMPOSITE deoxidant Si-Al-Ba-Fe alloy alloy |
| CN1072726A (en) * | 1992-12-01 | 1993-06-02 | 滕忠升 | Be used for silicon-aluminum-barium-strontium-iron alloy of steel-deoxidizing and preparation method thereof |
| CN1128803A (en) * | 1995-02-11 | 1996-08-14 | 围场满族蒙古族自治县铁合金冶炼厂 | Composite deoxidant Si-Al-Ba-Fe alloy prodn. method |
| CN1133892A (en) * | 1995-04-18 | 1996-10-23 | 河南省淅川县冶金材料厂 | Process for production of compound deoxidizer of Si-Al-Ba-Fe alloy in one-step in blast furnace |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020010209A1 (en) * | 2018-07-03 | 2020-01-09 | Bozel Brasil Sa | Calcium, aluminum and silicon alloy, as well as a process for the production of the same |
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| CN1243883A (en) | 2000-02-09 |
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