RU2008135797A - METHOD FOR MELTING STEEL AND ALLOYS IN A CLOSED ENERGY METALLURGICAL CYCLE - Google Patents
METHOD FOR MELTING STEEL AND ALLOYS IN A CLOSED ENERGY METALLURGICAL CYCLE Download PDFInfo
- Publication number
- RU2008135797A RU2008135797A RU2008135797/02A RU2008135797A RU2008135797A RU 2008135797 A RU2008135797 A RU 2008135797A RU 2008135797/02 A RU2008135797/02 A RU 2008135797/02A RU 2008135797 A RU2008135797 A RU 2008135797A RU 2008135797 A RU2008135797 A RU 2008135797A
- Authority
- RU
- Russia
- Prior art keywords
- gas
- generator
- steam
- turbine
- furnace
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract 16
- 239000000956 alloy Substances 0.000 title claims abstract 5
- 229910045601 alloy Inorganic materials 0.000 title claims abstract 5
- 238000002844 melting Methods 0.000 title claims abstract 3
- 230000008018 melting Effects 0.000 title claims abstract 3
- 239000007789 gas Substances 0.000 claims abstract 18
- 238000009434 installation Methods 0.000 claims abstract 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract 6
- 229910052799 carbon Inorganic materials 0.000 claims abstract 6
- 238000010891 electric arc Methods 0.000 claims abstract 6
- 229910052760 oxygen Inorganic materials 0.000 claims abstract 6
- 239000001301 oxygen Substances 0.000 claims abstract 6
- 239000002994 raw material Substances 0.000 claims abstract 6
- 238000011084 recovery Methods 0.000 claims abstract 6
- 239000010959 steel Substances 0.000 claims abstract 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract 4
- 238000003723 Smelting Methods 0.000 claims abstract 4
- 230000005611 electricity Effects 0.000 claims abstract 4
- 239000000446 fuel Substances 0.000 claims abstract 4
- 238000001465 metallisation Methods 0.000 claims abstract 4
- 238000009847 ladle furnace Methods 0.000 claims abstract 3
- 239000002028 Biomass Substances 0.000 claims abstract 2
- 239000003638 chemical reducing agent Substances 0.000 claims abstract 2
- 238000002309 gasification Methods 0.000 claims abstract 2
- 229910052742 iron Inorganic materials 0.000 claims abstract 2
- 238000004519 manufacturing process Methods 0.000 claims abstract 2
- 239000000463 material Substances 0.000 claims abstract 2
- 239000000203 mixture Substances 0.000 claims abstract 2
- 238000007670 refining Methods 0.000 claims abstract 2
- 238000010616 electrical installation Methods 0.000 claims 1
- 239000002918 waste heat Substances 0.000 claims 1
- 108090000623 proteins and genes Proteins 0.000 abstract 1
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Manufacture Of Iron (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
1. Способ выплавки стали и сплавов в замкнутом энергометаллургическом цикле, включающий газификацию углеродсодержащих материалов в газификаторе, металлизацию рудного сырья в восстановительном агрегате, подачу металлизированного сырья и лома в дуговую электропечь для последующей плавки, рафинирование стали в ковше-печи, выработку кислорода в кислородной станции, получение электроэнергии и пара в когенерационной парогазотурбинной установке, отличающийся тем, что получаемый в газогенераторе генераторный газ разделяют на два потока - низкого и высокого давления в соотношении 1:1,2÷1,3, определяемом условиями работы восстановительного агрегата и парогазотурбинной установки в замкнутом цикле, при этом горячий генераторный газ низкого давления, как восстановительный, очищают и направляют в качестве восстановителя в восстановительный агрегат для металлизации железорудного сырья, а генераторный газ высокого давления, как энергетический газ, охлаждают, очищают и направляют в когенерационную парогазотурбинную установку, а выработанную электрическую мощность парогазотурбинной установки используют в качестве электроэнергии для выплавки стали и сплавов в дуговой электропечи. ! 2. Способ по п.1, отличающийся тем, что в качестве восстановительного агрегата используют шахтную печь. ! 3. Способ по п.1, отличающийся тем, что в качестве восстановительного агрегата используют трубчатую вращающуюся печь. ! 4. Способ по п.1, отличающийся тем, что в газогенераторе в качестве углеродсодержащего топлива используют уголь или биомассу. ! 5. Способ по п.1, отличающийся тем, что для работы парогазовой установки используют смесь гене�1. A method of smelting steel and alloys in a closed energy metallurgical cycle, including the gasification of carbon-containing materials in a gasifier, metallization of ore raw materials in a reduction unit, supply of metallized raw materials and scrap to an electric arc furnace for subsequent melting, steel refining in a ladle furnace, oxygen production in an oxygen station , generation of electricity and steam in a cogeneration steam-gas-turbine installation, characterized in that the generator gas obtained in the gas generator is divided into two streams - n low and high pressure in a ratio of 1: 1.2 ÷ 1.3, determined by the operating conditions of the recovery unit and the steam and gas turbine unit in a closed cycle, while the hot low-pressure generator gas, as a reducing one, is cleaned and sent as a reducing agent to a reduction unit for metallization iron ore raw materials, and high-pressure generator gas, like energy gas, is cooled, refined and sent to a cogeneration steam-gas-turbine installation, and the generated electric power of gas-turbine This installation is used as electricity for the smelting of steel and alloys in an electric arc furnace. ! 2. The method according to claim 1, characterized in that the shaft furnace is used as a recovery unit. ! 3. The method according to claim 1, characterized in that a tubular rotary kiln is used as a recovery unit. ! 4. The method according to claim 1, characterized in that in the gas generator, carbon or biomass is used as a carbon-containing fuel. ! 5. The method according to claim 1, characterized in that a mixture of gene
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2008135797/02A RU2433188C2 (en) | 2008-09-03 | 2008-09-03 | Steel and alloy melting method in closed in power metallurgical cycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2008135797/02A RU2433188C2 (en) | 2008-09-03 | 2008-09-03 | Steel and alloy melting method in closed in power metallurgical cycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2008135797A true RU2008135797A (en) | 2010-03-10 |
| RU2433188C2 RU2433188C2 (en) | 2011-11-10 |
Family
ID=42134870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2008135797/02A RU2433188C2 (en) | 2008-09-03 | 2008-09-03 | Steel and alloy melting method in closed in power metallurgical cycle |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2433188C2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2740547C2 (en) * | 2018-09-07 | 2021-01-15 | Федеральное государственное автономное образовательное учреждение высшего образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" (УрФУ) | Method of steel and alloys melting in closed power metallurgical cycle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2167944C2 (en) * | 1998-08-11 | 2001-05-27 | Региональное Уральское отделение Академии инженерных наук Российской Федерации | Method of coke-free processing of vanadium-containing ore materials with production of vanadium steel |
| EP1689892B1 (en) * | 2003-12-05 | 2010-10-13 | Posco | An apparatus for manufacturing a molten iron directly using fine or lump coals and fine iron ores, the method thereof, the integrated steel mill using the same and the method thereof |
| RU2282665C2 (en) * | 2004-09-20 | 2006-08-27 | Региональное Уральское Отделение Академии Инженерных Наук им. А.М. Прохорова | Recuperative method of coke-free reworking of vanadium-containing ore raw material with direct alloying of steel with vanadium |
| RU2287017C2 (en) * | 2004-11-19 | 2006-11-10 | Региональное Уральское Отделение Академии Инженерных Наук им. А.М. Прохорова | Method of coke-free processing of vanadium-containing ore material for making vanadium-alloyed steel, hot metallized pellets and vanadium slag |
| RU2299911C1 (en) * | 2005-12-27 | 2007-05-27 | Общество С Ограниченной Ответственностью Промышленная Компания "Технология Металлов" | Device for smelting metals and alloys |
-
2008
- 2008-09-03 RU RU2008135797/02A patent/RU2433188C2/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| RU2433188C2 (en) | 2011-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20140904 |