IN2012DN02717A - - Google Patents

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Publication number
IN2012DN02717A
IN2012DN02717A IN2717DEN2012A IN2012DN02717A IN 2012DN02717 A IN2012DN02717 A IN 2012DN02717A IN 2717DEN2012 A IN2717DEN2012 A IN 2717DEN2012A IN 2012DN02717 A IN2012DN02717 A IN 2012DN02717A
Authority
IN
India
Prior art keywords
bosh
zone
bosh zone
stave
copper
Prior art date
Application number
Inventor
Anan Kuniyoshi
Chuman Toshiyuki
Matsuoka Yoshiyuki
Original Assignee
Nippon Steel & Sumitomo Metal Corp
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 Nippon Steel & Sumitomo Metal Corp filed Critical Nippon Steel & Sumitomo Metal Corp
Publication of IN2012DN02717A publication Critical patent/IN2012DN02717A/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B7/00Blast furnaces
    • C21B7/10Cooling; Devices therefor

Abstract

The bosh zone structure of a blast furnace is a structure of a tubular bosh zone that is provided between a tuyere portion and a furnace trunk portion of the blast furnace, and has a diameter expanding upward along a vertical direction, in which the bosh zone has a ring-shaped sheet iron shell, a copper or copper-alloy bosh zone stave provided at the inner circumference of the steel iron "shell, and refractory bricks provided at the inner circumference of the bosh zone stave; the thickness of the refractory brick in the horizontal direction at the top edge position of the bosh zone is 50 mm to 250 mm; the thickness of the refractory brick in the horizontal direction at the bottom edge position of the bosh zone is 200 mm to 500 mm; and a narrow angle formed between the surface of the bosh zone stave and the horizontal plane is 75° to 82° in a cross section of the bosh zone including the axial line thereof.
IN2717DEN2012 2009-09-29 2010-09-29 IN2012DN02717A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009224434 2009-09-29
PCT/JP2010/066879 WO2011040425A1 (en) 2009-09-29 2010-09-29 Blast furnace bosh section structure and design method therefor

Publications (1)

Publication Number Publication Date
IN2012DN02717A true IN2012DN02717A (en) 2015-09-11

Family

ID=43826241

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2717DEN2012 IN2012DN02717A (en) 2009-09-29 2010-09-29

Country Status (6)

Country Link
JP (1) JP4757960B2 (en)
KR (1) KR101334479B1 (en)
CN (1) CN102575303B (en)
BR (1) BR112012007569A2 (en)
IN (1) IN2012DN02717A (en)
WO (1) WO2011040425A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2563069C1 (en) * 2012-05-11 2015-09-20 Ниппон Стил Энд Сумикин Инджиниринг Ко., Лтд. Blast furnace tuyere unit
JP6665743B2 (en) * 2016-09-16 2020-03-13 日本製鉄株式会社 Blast furnace bosh section structure and blast furnace design method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59226106A (en) * 1983-06-06 1984-12-19 Nippon Steel Corp Vertical furnace
JPH06299215A (en) * 1993-04-13 1994-10-25 Nippon Steel Corp Operation of blast furnace
JPH07278652A (en) * 1994-04-11 1995-10-24 Sumitomo Metal Ind Ltd Production of steel stock for cold forging excellent in workability
JPH07278623A (en) * 1994-04-15 1995-10-24 Nippon Steel Corp Operation of blast furnace
JP2001263960A (en) * 2000-03-16 2001-09-26 Kawasaki Steel Corp Blast furnace wall brick-supporting structure and method of operating the blast furnace
JP2005248209A (en) * 2004-03-01 2005-09-15 Nippon Steel Corp Cooling body for blast furnace body and structure of cooling device for blast furnace body using it

Also Published As

Publication number Publication date
WO2011040425A1 (en) 2011-04-07
CN102575303A (en) 2012-07-11
JP4757960B2 (en) 2011-08-24
CN102575303B (en) 2014-08-20
KR20120056285A (en) 2012-06-01
KR101334479B1 (en) 2013-11-29
BR112012007569A2 (en) 2016-08-16
JPWO2011040425A1 (en) 2013-02-28

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