IN2014DN11082A - - Google Patents

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Publication number
IN2014DN11082A
IN2014DN11082A IN11082DEN2014A IN2014DN11082A IN 2014DN11082 A IN2014DN11082 A IN 2014DN11082A IN 11082DEN2014 A IN11082DEN2014 A IN 11082DEN2014A IN 2014DN11082 A IN2014DN11082 A IN 2014DN11082A
Authority
IN
India
Prior art keywords
blast furnace
blow
main body
charcoal
interior
Prior art date
Application number
Inventor
Setsuo Omoto
Keiichi Nakagawa
Tsutomu Hamada
Masakazu Sakaguchi
Original Assignee
Mitsubishi Heavy Ind Ltd
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 Mitsubishi Heavy Ind Ltd filed Critical Mitsubishi Heavy Ind Ltd
Publication of IN2014DN11082A publication Critical patent/IN2014DN11082A/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • C21B5/003—Injection of pulverulent coal
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/008—Composition or distribution of the charge
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/16—Tuyéres
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B1/16—Arrangements of tuyeres
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B1/20—Arrangements of devices for charging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/18—Charging particulate material using a fluid carrier
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
    • F27M2001/00—Composition, conformation or state of the charge
    • F27M2001/02—Charges containing ferrous elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
    • F27M2001/00—Composition, conformation or state of the charge
    • F27M2001/04—Carbon-containing material
    • F27M2001/045—Coke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
    • F27M2003/00—Type of treatment of the charge
    • F27M2003/16—Treatment involving a chemical reaction
    • F27M2003/165—Reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacture Of Iron (AREA)
  • Blast Furnaces (AREA)

Abstract

This blast furnace facility is provided with: a blast furnace main body (110); starting material charging means (111,113) that charge a starting material (1) containing iron ore and coke into the interior of the blast furnace main body (110) from the apex thereof; hot airflow blow in means (114, 115) that blows in a hot airflow (101) from a tuyere to the interior of the blast furnace main body (110); and blast furnace blow in charcoal supply means (120, 129) that blow in blast furnace blow in charcoal (11) from the tuyere to the interior of the blast furnace main body (110). The blast furnace blow in charcoal supply means (120, 129) blow in a blast furnace blow in charcoal (11) having an oxygen atom content (on a dry basis) of 10 20 wt% and an average pore size of 10 50 nm.
IN11082DEN2014 2012-08-03 2013-05-15 IN2014DN11082A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012172757A JP2014031548A (en) 2012-08-03 2012-08-03 Pig iron production method and blast furnace equipment used for the same
PCT/JP2013/063504 WO2014020964A1 (en) 2012-08-03 2013-05-15 Method for producing pig iron and blast furnace facility using same

Publications (1)

Publication Number Publication Date
IN2014DN11082A true IN2014DN11082A (en) 2015-09-25

Family

ID=50027658

Family Applications (1)

Application Number Title Priority Date Filing Date
IN11082DEN2014 IN2014DN11082A (en) 2012-08-03 2013-05-15

Country Status (7)

Country Link
US (1) US20150203929A1 (en)
JP (1) JP2014031548A (en)
KR (1) KR101657019B1 (en)
CN (1) CN104487597B (en)
DE (1) DE112013003839T5 (en)
IN (1) IN2014DN11082A (en)
WO (1) WO2014020964A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN2014DN05770A (en) * 2012-01-18 2015-04-10 Mitsubishi Heavy Ind Ltd
RU2706935C1 (en) * 2016-03-29 2019-11-21 ДжФЕ СТИЛ КОРПОРЕЙШН Blast furnace operation method
DE102017125297B4 (en) * 2017-10-27 2021-03-04 ARCUS Technologie GmbH & Co GTL Projekt KG Process for the production of coke and / or pyrolysis gas in a rotary kiln

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04110405A (en) * 1990-08-31 1992-04-10 Kobe Steel Ltd Method for operating blast furnace
JPH06220510A (en) 1993-01-28 1994-08-09 Sumitomo Metal Ind Ltd Operation of blast furnace
JPH09263807A (en) * 1996-03-27 1997-10-07 Nisshin Steel Co Ltd Method for injecting pulverized coal into blast furnace
JPH1060508A (en) 1996-08-22 1998-03-03 Nkk Corp Manufacturing method of pulverized coal for tuyere injection of blast furnace
JP3796021B2 (en) 1997-09-17 2006-07-12 新日本製鐵株式会社 Method of blowing pulverized coal from blast furnace tuyere and blowing lance
JP2000237528A (en) * 1999-02-22 2000-09-05 Nkk Corp Method for using coal, coal distillate, and method for producing the same
JP5273166B2 (en) * 2000-08-10 2013-08-28 Ｊｆｅスチール株式会社 Blast furnace operation method by large amount of pulverized coal injection
JP4074467B2 (en) 2002-03-29 2008-04-09 新日本製鐵株式会社 Method for improving combustibility of low volatile pulverized coal in blast furnace
JP2007169750A (en) * 2005-12-26 2007-07-05 Jfe Steel Kk Blast furnace operation method
US8202399B2 (en) * 2008-02-13 2012-06-19 David Walker Taylor Process for modifying fuel solids
JP5177101B2 (en) * 2008-09-16 2013-04-03 新日鐵住金株式会社 Method for producing highly reactive small coke
AT507823B1 (en) * 2009-01-30 2011-01-15 Siemens Vai Metals Tech Gmbh METHOD AND APPARATUS FOR PRODUCING RAW IRONS OR LIQUID STEEL PREPARED PRODUCTS
CN101880540B (en) * 2010-07-02 2013-06-19 西北化工研究院 Low-coalification degree pulverized coal pyrolysis method and product prepared through the same
US8999033B2 (en) * 2010-12-15 2015-04-07 Midrex Technologies, Inc. Method and system for producing direct reduced iron and/or hot metal using brown coal

Also Published As

Publication number Publication date
US20150203929A1 (en) 2015-07-23
WO2014020964A1 (en) 2014-02-06
CN104487597A (en) 2015-04-01
CN104487597B (en) 2017-03-08
KR101657019B1 (en) 2016-09-12
JP2014031548A (en) 2014-02-20
DE112013003839T5 (en) 2015-04-30
KR20150023056A (en) 2015-03-04

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