[go: up one dir, main page]

RU2018132151A - Method for smelting steel and alloys in a closed energy metallurgical cycle - Google Patents

Method for smelting steel and alloys in a closed energy metallurgical cycle Download PDF

Info

Publication number
RU2018132151A
RU2018132151A RU2018132151A RU2018132151A RU2018132151A RU 2018132151 A RU2018132151 A RU 2018132151A RU 2018132151 A RU2018132151 A RU 2018132151A RU 2018132151 A RU2018132151 A RU 2018132151A RU 2018132151 A RU2018132151 A RU 2018132151A
Authority
RU
Russia
Prior art keywords
gas
unit
turbine unit
alloys
gasifier
Prior art date
Application number
RU2018132151A
Other languages
Russian (ru)
Other versions
RU2740547C2 (en
RU2018132151A3 (en
Inventor
Владимир Георгиевич Лисиенко
Сергей Геннадьевич Супрунов
Original Assignee
Федеральное государственное автономное образовательное учреждение высшего образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" (УрФУ)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Федеральное государственное автономное образовательное учреждение высшего образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" (УрФУ) filed Critical Федеральное государственное автономное образовательное учреждение высшего образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" (УрФУ)
Priority to RU2018132151A priority Critical patent/RU2740547C2/en
Publication of RU2018132151A publication Critical patent/RU2018132151A/en
Publication of RU2018132151A3 publication Critical patent/RU2018132151A3/ru
Application granted granted Critical
Publication of RU2740547C2 publication Critical patent/RU2740547C2/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)

Claims (3)

1. Способ выплавки стали и сплавов в замкнутом энергометаллургическом цикле, включающий газификацию в газификаторе, получаемый в газификаторе генераторный газ разделяют на два потока - низкого и высокого давления в соотношении, определяемом условиями работы восстановительного агрегата и парогазотурбинной установки в замкнутом цикле, при этом горячий генераторный газ низкого давления очищают и направляют в качестве восстановительного газа в восстановительный агрегат для металлизации железорудного сырья, а генераторный газ высокого давления охлаждают, очищают и в качестве энергетического газа направляют в когенерационную парогазотурбинную установку, при этом выработанную в упомянутой парогазотурбинной установке электрическую энергию используют в электродуговой печи выплавки стали и сплавов, металлизацию железорудного сырья в восстановительном агрегате, подачу металлизированного сырья и лома в электродуговую печь для последующей выплавки, рафинирование стали и сплавов в ковше-печи, использование выработанного в кислородной станции кислорода в электродуговой печи, использование полученной в когенерационной парогазотурбинной установке электроэнергии и пара, отличающийся тем, что используется не требующая подачи кислорода установка полукоксования углеродосодержащих материалов для выработки высококалорийного газа, который охлаждают, очищают и направляют в парогазотурбинную установку высококалорийного газа и использования его в парогазотурбинной установке, для выработки низкокалорийного восстановительного газа используется газификатор с подачей в газификатор горячего полукокса из установки полукоксования и углекислотно-кислородного дутья.1. A method of smelting steel and alloys in a closed energy metallurgical cycle, including gasification in a gasifier, the generator gas obtained in the gasifier is divided into two streams - low and high pressure in a ratio determined by the operating conditions of the recovery unit and the gas-turbine unit in a closed cycle, while the hot generator low-pressure gas is purified and sent as a reducing gas to a reducing unit for metallization of iron ore raw materials, and high-pressure generator gas The burners are cooled, cleaned and sent as energy gas to a cogeneration steam-gas-turbine unit, while the electric energy generated in the mentioned gas-turbine unit is used in an electric arc furnace for steel and alloys smelting, metallization of iron ore raw materials in a reduction unit, supply of metallized raw materials and scrap to an electric arc furnace for subsequent smelting, refining of steel and alloys in a ladle furnace, use of oxygen generated in an oxygen station in an electric arc furnaces, the use of electricity and steam obtained in a cogeneration steam-gas-turbine unit, characterized in that an oxygen-free semi-coking unit of carbon-containing materials is used to produce high-calorie gas, which is cooled, purified and sent to a high-calorie gas-turbine unit and used in a gas-turbine unit to generate low calorific reducing gas a gasifier is used with the supply of hot semi-coke from the mouth to the gasifier New semi-coking and carbon dioxide-oxygen blasting. 2. Способ по п. 1, отличающийся тем, что полученную в процессе полукоксования смолу отделяют и используют как товарный продукт.2. The method according to p. 1, characterized in that the resin obtained in the process of semi-coking is separated and used as a commercial product. 3. Способ по п. 1, отличающийся тем, что полученный в процессе очистки высококалорийного газа бензин используют как товарный продукт.3. The method according to p. 1, characterized in that the gasoline obtained in the process of purification of high-calorie gas is used as a commercial product.
RU2018132151A 2018-09-07 2018-09-07 Method of steel and alloys melting in closed power metallurgical cycle RU2740547C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2018132151A RU2740547C2 (en) 2018-09-07 2018-09-07 Method of steel and alloys melting in closed power metallurgical cycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2018132151A RU2740547C2 (en) 2018-09-07 2018-09-07 Method of steel and alloys melting in closed power metallurgical cycle

Publications (3)

Publication Number Publication Date
RU2018132151A true RU2018132151A (en) 2020-03-11
RU2018132151A3 RU2018132151A3 (en) 2020-03-19
RU2740547C2 RU2740547C2 (en) 2021-01-15

Family

ID=69898886

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2018132151A RU2740547C2 (en) 2018-09-07 2018-09-07 Method of steel and alloys melting in closed power metallurgical cycle

Country Status (1)

Country Link
RU (1) RU2740547C2 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
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
RU2433188C2 (en) * 2008-09-03 2011-11-10 Государственное общеобразовательное учреждение высшего профессионального образования "Уральский государственный технический университет-УПИ" Steel and alloy melting method in closed in power metallurgical cycle

Also Published As

Publication number Publication date
RU2740547C2 (en) 2021-01-15
RU2018132151A3 (en) 2020-03-19

Similar Documents

Publication Publication Date Title
WO2020245070A1 (en) Method and system for producing steel or molten-iron-containing materials with reduced emissions
CN102994678A (en) Method and system for pulverized coal gasification for gas generation and direct reduction metallurgy of gas-based shaft furnace
CO2024006012A2 (en) Method to reduce the carbon footprint in the operation of a metallurgical plant for the production of pig iron
RU2710492C1 (en) Production steel complex and operating method of production complex
CN101250419B (en) A kind of coal gas internal heat low-temperature dry distillation method
EP3687941B1 (en) Method for producing hot synthesis gas, in particular for use in blast furnace operation
CN115896383B (en) A plasma-assisted ammonia direct reduction smelting system and method
JP5510199B2 (en) Production and use of hydrogen and oxygen
CN104017923A (en) Ironmaking method and ironmaking furnace system
CN112662830A (en) Method for pre-heat exchanging hydrogen by utilizing direct reduction iron furnace top gas
CN102620571A (en) Waste-heat power generating system in smelting process of rotary kiln and ore-smelting electric furnace
CN102607287B (en) Ferro-nickel smelting process waste heat generating system
RU2018132151A (en) Method for smelting steel and alloys in a closed energy metallurgical cycle
CN107619686B (en) Coal gasification system and method for coal water slurry pulverization
RU2013146337A (en) METALLURGICAL INSTALLATION WITH EFFECTIVE USE OF WASTE HEAT
CN113969329A (en) Metal reduction smelting method and system for reducing carbon dioxide emission
CN101463405A (en) Production method for producing spongy iron by dry coal powder gasification high furnace
RU2008135797A (en) METHOD FOR MELTING STEEL AND ALLOYS IN A CLOSED ENERGY METALLURGICAL CYCLE
CA3243490A1 (en) Thermal plasma electrolysis of methane for generation of hydrogen and carbon black to be used in steel production
CN202226829U (en) Pure oxygen pulverized coal ultra and normal-pressure non-quenching gasification device
CN204474704U (en) The partition rotary kiln device of coking ironmaking cogeneration
CN114396326A (en) Technical improvement method for supercritical water gasification power generation of ultrahigh-pressure subcritical coal-electricity unit
CN101792844B (en) Dry recovery method for partial molten iron steelmaking coal gas of electric arc furnace
CN204058349U (en) With the coker of generating set
CN202214336U (en) Super constant pressure oxygen-production-free chilling-free powdered coal gasification device

Legal Events

Date Code Title Description
FA92 Acknowledgement of application withdrawn (lack of supplementary materials submitted)

Effective date: 20200805

FZ9A Application not withdrawn (correction of the notice of withdrawal)

Effective date: 20201019