RU2010119793A - METHOD FOR Smelting Ferrosilicon in an Ore Thermal Furnace - Google Patents
METHOD FOR Smelting Ferrosilicon in an Ore Thermal Furnace Download PDFInfo
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- RU2010119793A RU2010119793A RU2010119793/02A RU2010119793A RU2010119793A RU 2010119793 A RU2010119793 A RU 2010119793A RU 2010119793/02 A RU2010119793/02 A RU 2010119793/02A RU 2010119793 A RU2010119793 A RU 2010119793A RU 2010119793 A RU2010119793 A RU 2010119793A
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- RU
- Russia
- Prior art keywords
- equation
- furnace
- electrode
- diameter
- determined
- Prior art date
Links
- 238000003723 Smelting Methods 0.000 title claims abstract 7
- 238000000034 method Methods 0.000 title claims abstract 7
- 229910000519 Ferrosilicon Inorganic materials 0.000 title claims abstract 3
- 239000003638 chemical reducing agent Substances 0.000 claims abstract 4
- 238000005265 energy consumption Methods 0.000 claims abstract 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract 2
- 229910052799 carbon Inorganic materials 0.000 claims abstract 2
- 238000004886 process control Methods 0.000 claims abstract 2
- 230000001939 inductive effect Effects 0.000 claims 1
- 238000005245 sintering Methods 0.000 claims 1
- 238000012795 verification Methods 0.000 claims 1
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- Manufacture Of Iron (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
1. Способ выплавки ферросилиция в рудотермической печи, включающий непрерывную загрузку в печь шихты с углеродистым восстановителем и ее электротермическую плавку, отличающийся тем, что плавку осуществляют в условиях оптимального соотношения геометрических размеров рудотермической печи и электрических режимов ее работы, которые определяют в зависимости от соотношения в углеродистом восстановителе ископаемых углей. ! 2. Способ по п.1, отличающийся тем, что в качестве основного параметра управления электрическим режимом конкретного вида шихтовки принято полное фазное сопротивление на низкой стороне трансформатора, значение которого выдерживают автоматической системой управления технологическими процессами (АСУ ТП) рудотермической печи. ! 3. Способ по п.1, отличающийся тем, что расчет оптимальных геометрических размеров рудотермической печи и электрических режимов ее работы производят в соответствии с соотношениями, а именно: ! внутренний диаметр ванны определяют по оптимальной плотности активной мощности в сечении ванны (рв=510 кВт/м2) при минимальном удельном расходе электроэнергии по уравнению: ! ! где dв - внутренний диаметр ванны, м; ! P - активная мощность печи, кВт, ! диаметр распада электродов определяют, исходя из оптимального значения удельной мощности в сечении диаметра распада (pр=2465 кВт/м2) при минимальном удельном расходе электроэнергии по уравнению): ! ! где dр - диаметр распада электродов, м; ! P - активная мощность печи, кВт, ! выбор реактивного и активного сопротивлений производят по уравнениям: ! реактивное сопротивление фазы определяют по зависимости, которая описывается уравнением: ! Xф=0,04 1. A method of smelting ferrosilicon in an ore-thermal furnace, comprising continuously loading a charge with a carbon reducing agent into the furnace and its electrothermal smelting, characterized in that the smelting is carried out under conditions of the optimal ratio of the geometrical dimensions of the ore-thermal furnace and its electrical operating conditions, which are determined depending on the ratio in carbonaceous reducer of fossil coals. ! 2. The method according to claim 1, characterized in that the main parameter for controlling the electric mode of a particular type of charge is taken to be the total phase resistance on the low side of the transformer, the value of which is maintained by an automatic process control system (ACS TP) of an ore-thermal furnace. ! 3. The method according to claim 1, characterized in that the calculation of the optimal geometric dimensions of the ore-thermal furnace and the electric modes of its operation is carried out in accordance with the ratios, namely:! the inner diameter of the bath is determined by the optimal density of active power in the bath cross section (pb = 510 kW / m2) with a minimum specific energy consumption according to the equation:! ! where dв is the inner diameter of the bath, m; ! P is the active power of the furnace, kW,! the diameter of the decay of the electrodes is determined based on the optimal value of the specific power in the cross section of the diameter of the decay (pp = 2465 kW / m2) with a minimum specific energy consumption according to the equation):! ! where dр is the diameter of the decay of the electrodes, m; ! P is the active power of the furnace, kW,! the choice of reactive and active resistances is made according to the equations:! phase reactance is determined by the dependence, which is described by the equation:! Xf = 0.04
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2010119793/02A RU2451098C2 (en) | 2010-05-17 | 2010-05-17 | Melting method of ferrosilicon in ore heat-treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2010119793/02A RU2451098C2 (en) | 2010-05-17 | 2010-05-17 | Melting method of ferrosilicon in ore heat-treatment furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2010119793A true RU2010119793A (en) | 2011-11-27 |
| RU2451098C2 RU2451098C2 (en) | 2012-05-20 |
Family
ID=45317522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2010119793/02A RU2451098C2 (en) | 2010-05-17 | 2010-05-17 | Melting method of ferrosilicon in ore heat-treatment furnace |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2451098C2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081704A (en) * | 2019-06-13 | 2019-08-02 | 大连重工机电设备成套有限公司 | Semi-hermetic is without fixed anode DC-ore-heating furnace |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE436124B (en) * | 1982-09-08 | 1984-11-12 | Skf Steel Eng Ab | SET TO MAKE PROCESS |
| RU2236481C2 (en) * | 2002-10-10 | 2004-09-20 | Открытое акционерное общество "Кузнецкие ферросплавы" | Reducing mixture for melting ferroalloys |
| RU2366740C2 (en) * | 2006-10-02 | 2009-09-10 | Открытое акционерное общество "Кузнецкие ферросплавы" | Multi-component reducing mixture for melting of ferrosilicium |
-
2010
- 2010-05-17 RU RU2010119793/02A patent/RU2451098C2/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081704A (en) * | 2019-06-13 | 2019-08-02 | 大连重工机电设备成套有限公司 | Semi-hermetic is without fixed anode DC-ore-heating furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2451098C2 (en) | 2012-05-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20130518 |