CN103014234B - Method for smelting silicon-calcium-barium and silicon-calcium-barium product manufactured by same - Google Patents
Method for smelting silicon-calcium-barium and silicon-calcium-barium product manufactured by same Download PDFInfo
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- CN103014234B CN103014234B CN201210513634.8A CN201210513634A CN103014234B CN 103014234 B CN103014234 B CN 103014234B CN 201210513634 A CN201210513634 A CN 201210513634A CN 103014234 B CN103014234 B CN 103014234B
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Abstract
The invention relates to a method for smelting silicon-calcium-barium. The method comprises the following steps of: uniformly mixing 15-22 parts of crystal silicon, 15-30 parts of calcium carbonate, 5-13 parts of barium carbonate and 1-3 parts of carbon; adding the mixed crystal silicon, calcium carbonate, barium carbonate and carbon to an electric-arc furnace for continuous heating after preheating the electric-arc furnace to 400 DEG C; rising the temperature of the electric-arc furnace to 1650 DEG C at a speed of 15-25 DEG C/minutes step by step, removing dross of a smelted silicon-calcium-barium liquid after preserving the temperature for 5-15 minutes and discharging; naturally cooling the discharged silicon-calcium-barium liquid to 600-700 DEG C, condensing the silicon-calcium-barium liquid to form a whole body, cooling to a normal temperature and crushing to 10mm-50mm, and carrying out tests. The sulphur, phosphorus and carcon contents of the silicon-calcium-barium smelted by the method are no more than 0.1% and can meet the steel-making requirement.
Description
Technical field
The present invention relates to a kind of Si-Ca-Ba product of smelting the method for Si-Ca-Ba and manufacture, be specifically related to a kind of method with electric arc furnace smelting Si-Ca-Ba and the Si-Ca-Ba product manufacturing thereof.
Background technology
Si-Ca-Ba is used for making steel generation as a kind of new additive agent of smelting steel, it uses as deoxidation and the sweetening agent of steel-making, because nature does not have pure Si-Ca-Ba, conventionally use the ore smelting of siliceous, calcic and baric to form, but existing smelting process, make to smelt the composition that the Si-Ca-Ba contains too much sulphur, phosphorus and carbon, can not meet the demand of steel-making.
Summary of the invention
The object of the invention is to solve the problem of smelting the composition that the Si-Ca-Ba contains too much sulphur, phosphorus and carbon by the method for existing smelting Si-Ca-Ba, and a kind of Si-Ca-Ba product of smelting the method for Si-Ca-Ba and manufacture is provided.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of method of smelting Si-Ca-Ba of the present invention, it comprises the following steps:
(1) by content, being that more than 99% silicon metal, content is the particle that more than 93% calcium carbonate is crushed to respectively 1mm-10mm, is that more than 92% barium carbonate is ground into 80 orders by content, by fuel value be at least 500 kilocalories/kilogram carbon dust be broken to 10mm-50mm;
(2) carbon of the barium carbonate of the calcium carbonate of the silicon metal of above-mentioned 15-22 part, 15-30 part, 5-13 part and 1-3 part is mixed;
(3) electric arc furnace is preheated to after 400 ℃, the silicon metal, calcium carbonate, barium carbonate and the carbon that in step (2), mix are added in electric arc furnace and continues to heat;
(4) with the speed of 15-25 ℃/min, electric arc furnace is progressively warming up to after 1650 ℃, is incubated after 5-10 minute, after the scum silica frost that dissolves Si-Ca-Ba liquid is removed, then the Si-Ca-Ba liquid dissolving is come out of the stove;
(5) the Si-Ca-Ba liquid after coming out of the stove is naturally cooled to 600-700 ℃ and is condensed into one, then by its cooling normal temperature;
(6) the Si-Ca-Ba product of step (5) is crushed to 10mm-50mm, tests, when the content of the sulphur in Si-Ca-Ba product, phosphorus and carbon is less than 0.1% respectively, above-mentioned Si-Ca-Ba product is packed and dispatched from the factory;
A kind of method of smelting Si-Ca-Ba of the present invention, wherein: in described step (2), silicon metal is 16-21 part; Calcium carbonate is 18-28 part; Barium carbonate is that 6-12 part and carbon are 2-3 part;
A kind of method of smelting Si-Ca-Ba of the present invention, wherein: in described step (2), silicon metal is 20 parts; Calcium carbonate is 25 parts; It is 2 parts with carbon that barium carbonate is 8 parts;
A kind of method of smelting Si-Ca-Ba of the present invention, wherein: in described step (4), with the speed of 18-22 ℃/min, electric arc furnace is progressively warming up to after 1650 ℃, is incubated after 6-8 minute, after the scum silica frost of the Si-Ca-Ba liquid dissolving is removed, then the Si-Ca-Ba liquid dissolving is come out of the stove;
A kind of method of smelting Si-Ca-Ba of the present invention, wherein: in described step (4), with the speed of 20 ℃/min, electric arc furnace is progressively warming up to after 1650 ℃, is incubated after 7 minutes, after the scum silica frost of the Si-Ca-Ba liquid dissolving is removed, then the Si-Ca-Ba liquid dissolving is come out of the stove;
A kind of method of smelting Si-Ca-Ba of the present invention, wherein: cooling in described step (5) is to use cooling fluid or air cooling that Si-Ca-Ba product is carried out cooling;
A kind of method of smelting Si-Ca-Ba of the present invention, wherein: described cooling fluid is water or machine oil.
The Si-Ca-Ba product producing with aforesaid method of the present invention.
The present invention smelts the method for Si-Ca-Ba and the method for existing smelting Si-Ca-Ba, and through practice test many times, the composition that method of the present invention smelts the sulphur, phosphorus and the carbon that contain in Si-Ca-Ba is all no more than 0.1%, can meet the demand of steel-making.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below the present invention is further elaborated.
A method of smelting Si-Ca-Ba, it comprises the following steps:
(1) by content, being that more than 99% silicon metal, content is the particle that more than 93% calcium carbonate is crushed to respectively 1mm-10mm, is that more than 92% barium carbonate is ground into 80 orders by content, by fuel value be at least 500 kilocalories/kilogram carbon dust be broken to 10mm-50mm;
(2) carbon of the barium carbonate of the calcium carbonate of the silicon metal of above-mentioned 15-22 part, 15-30 part, 5-13 part and 1-3 part is mixed; For example: silicon metal is that 16-21 part, calcium carbonate are that 18-28 part, barium carbonate are that 6-12 part and carbon are 2-3 part; Preferably silicon metal is 20 parts; Calcium carbonate is 25 parts; It is 2 parts with carbon that barium carbonate is 8 parts;
(3) electric arc furnace is preheated to after 400 ℃, the silicon metal, calcium carbonate, barium carbonate and the carbon that in step (2), mix are added in electric arc furnace and continues to heat;
(4) with the speed of 15-25 ℃/min, for example, with the speed of 18-22 ℃/min, preferably with 20 ℃/min, electric arc furnace is progressively warming up to after 1650 ℃, be incubated after 5-10 minute, for example be incubated 6-8 minute, preferably be incubated 7 minutes, after the scum silica frost that dissolves Si-Ca-Ba liquid is removed, then the Si-Ca-Ba liquid dissolving come out of the stove;
(5) the Si-Ca-Ba liquid after coming out of the stove is naturally cooled to 600-700 ℃ and is condensed into one, then Si-Ca-Ba product is cooled to normal temperature with cooling fluid or air cooling, and cooling fluid is water or machine oil;
(6) the Si-Ca-Ba product of step (5) is crushed to 10mm-50mm, tests, when the content of the sulphur in Si-Ca-Ba product, phosphorus and carbon is less than 0.1% respectively, above-mentioned Si-Ca-Ba product is packed and dispatched from the factory.
The Si-Ca-Ba product of manufacturing with aforesaid method.
More than describing is explanation of the invention, is not the restriction to invention, and limited range of the present invention is referring to claim, and without prejudice to spirit of the present invention in the situation that, the present invention can do any type of modification.
Claims (8)
1. a method of smelting Si-Ca-Ba, it comprises the following steps:
(1) by content, being that more than 99% silicon metal and content are the particle that more than 93% calcium carbonate is crushed to respectively 1mm-10mm, is that more than 92% barium carbonate is ground into 80 orders by content, by fuel value be at least 500 kilocalories/kilogram carbon dust be broken to 10mm-50mm;
(2) carbon of the barium carbonate of the calcium carbonate of the silicon metal of above-mentioned 15-22 part, 15-30 part, 5-13 part and 1-3 part is mixed;
(3) electric arc furnace is preheated to after 400 ℃, the silicon metal, calcium carbonate, barium carbonate and the carbon that in step (2), mix are added in electric arc furnace and continues to heat;
(4) with the speed of 15-25 ℃/min, electric arc furnace is progressively warming up to after 1650 ℃, is incubated after 5-10 minute, after the scum silica frost that dissolves Si-Ca-Ba liquid is removed, then the Si-Ca-Ba liquid dissolving is come out of the stove;
(5) the Si-Ca-Ba liquid after coming out of the stove is naturally cooled to 600-700 ℃ and is condensed into one, then is cooled to normal temperature;
(6) the Si-Ca-Ba product of step (5) is crushed to 10mm-50mm, tests, when the content of the sulphur in Si-Ca-Ba product, phosphorus and carbon is less than 0.1% respectively, above-mentioned Si-Ca-Ba product is packed and dispatched from the factory.
2. the method for smelting Si-Ca-Ba as claimed in claim 1, is characterized in that: in described step (2), silicon metal is 16-21 part; Calcium carbonate is 18-28 part; Barium carbonate is 6-12 part; Carbon is 2-3 part.
3. the method for smelting Si-Ca-Ba as claimed in claim 2, is characterized in that: in described step (2), silicon metal is 20 parts; Calcium carbonate is 25 parts; Barium carbonate is 8 parts; Carbon is 2 parts.
4. the method for smelting Si-Ca-Ba as claimed in claim 3, it is characterized in that: in described step (4), with the speed of 18-22 ℃/min, electric arc furnace is progressively warming up to after 1650 ℃, be incubated after 6-8 minute, after the scum silica frost of the Si-Ca-Ba liquid dissolving is removed, then the Si-Ca-Ba liquid dissolving is come out of the stove.
5. the method for smelting Si-Ca-Ba as claimed in claim 4, it is characterized in that: in described step (4), with the speed of 20 ℃/min, electric arc furnace is progressively warming up to after 1650 ℃, be incubated after 7 minutes, after the scum silica frost of the Si-Ca-Ba liquid dissolving is removed, then the Si-Ca-Ba liquid dissolving is come out of the stove.
6. the method for smelting Si-Ca-Ba as claimed in claim 5, is characterized in that: cooling in described step (5) is to use cooling fluid or to Si-Ca-Ba product, carry out cooling with air.
7. the method for smelting Si-Ca-Ba as claimed in claim 6, is characterized in that: described cooling fluid is water or machine oil.
8. the Si-Ca-Ba product of manufacturing by the method described in the arbitrary claim of claim 1-7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210513634.8A CN103014234B (en) | 2012-12-04 | 2012-12-04 | Method for smelting silicon-calcium-barium and silicon-calcium-barium product manufactured by same |
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| CN201210513634.8A CN103014234B (en) | 2012-12-04 | 2012-12-04 | Method for smelting silicon-calcium-barium and silicon-calcium-barium product manufactured by same |
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| CN103014234B true CN103014234B (en) | 2014-04-30 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU765387A1 (en) * | 1978-08-28 | 1980-09-23 | Институт Проблем Литья Ан Украинской Сср | Modifier |
| CN1064707A (en) * | 1991-03-09 | 1992-09-23 | 北京科技大学 | Process for smelting high grade Si-Ba-Ca alloy in smelting furnace |
| CN1278559A (en) * | 2000-06-14 | 2001-01-03 | 李春德 | Multi-component Si-Ca-Ba deoxidizer and desulfurizer for steel smelting |
| CN1341755A (en) * | 2001-09-06 | 2002-03-27 | 刘长福 | Production process of silicon calcium barium liquid steel cleaning agent and its equipment |
| CN1920060A (en) * | 2006-09-19 | 2007-02-28 | 刘长福 | Method of producing silicon-calcium-barium steel cleaning agent by shaft furnace |
| CN101054616A (en) * | 2007-06-19 | 2007-10-17 | 刘长福 | Compound Si-Ca-Ba deoxidant producing process and equipment |
-
2012
- 2012-12-04 CN CN201210513634.8A patent/CN103014234B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU765387A1 (en) * | 1978-08-28 | 1980-09-23 | Институт Проблем Литья Ан Украинской Сср | Modifier |
| CN1064707A (en) * | 1991-03-09 | 1992-09-23 | 北京科技大学 | Process for smelting high grade Si-Ba-Ca alloy in smelting furnace |
| CN1278559A (en) * | 2000-06-14 | 2001-01-03 | 李春德 | Multi-component Si-Ca-Ba deoxidizer and desulfurizer for steel smelting |
| CN1341755A (en) * | 2001-09-06 | 2002-03-27 | 刘长福 | Production process of silicon calcium barium liquid steel cleaning agent and its equipment |
| CN1920060A (en) * | 2006-09-19 | 2007-02-28 | 刘长福 | Method of producing silicon-calcium-barium steel cleaning agent by shaft furnace |
| CN101054616A (en) * | 2007-06-19 | 2007-10-17 | 刘长福 | Compound Si-Ca-Ba deoxidant producing process and equipment |
Non-Patent Citations (8)
| Title |
|---|
| 傅刚.硅钙钡合金冶炼工艺初探.《铁合金》.1991,(第3期),28-30. |
| 刘平等.硅钙钡脱氧剂在炼钢中的应用.《包钢科技》.2003,第29卷(第4期),26-29. |
| 吕俊杰等.生产硅钙、硅钙钡系列合金杂质的控制与精炼.《铁合金》.2006,(第6期),19-22. |
| 李忠思等.硅铝钙钡铁合金工业生产试验.《铁合金》.2000,(第1期),35-39. |
| 生产硅钙、硅钙钡系列合金杂质的控制与精炼;吕俊杰等;《铁合金》;20060630(第6期);19-22 * |
| 硅钙钡合金冶炼工艺初探;傅刚;《铁合金》;19910331(第3期);28-30 * |
| 硅钙钡脱氧剂在炼钢中的应用;刘平等;《包钢科技》;20030831;第29卷(第4期);26-29 * |
| 硅铝钙钡铁合金工业生产试验;李忠思等;《铁合金》;20000131(第1期);35-39 * |
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