US3692293A - Apparatus for blowing high-temperature reducing gas into blast furnace - Google Patents

Apparatus for blowing high-temperature reducing gas into blast furnace Download PDF

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Publication number
US3692293A
US3692293A US136073A US3692293DA US3692293A US 3692293 A US3692293 A US 3692293A US 136073 A US136073 A US 136073A US 3692293D A US3692293D A US 3692293DA US 3692293 A US3692293 A US 3692293A
Authority
US
United States
Prior art keywords
gas
furnace
blast furnace
pressure
pressure gauge
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
US136073A
Other languages
English (en)
Inventor
Yoshiaki Hara
Akio Masagaki
Masaaki Iguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel 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 Corp filed Critical Nippon Steel Corp
Application granted granted Critical
Publication of US3692293A publication Critical patent/US3692293A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B5/00Making pig-iron in the blast furnace
    • C21B5/001Injecting additional fuel or reducing agents

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Blast Furnaces (AREA)
  • Manufacture Of Iron (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
US136073A 1970-05-28 1971-04-21 Apparatus for blowing high-temperature reducing gas into blast furnace Expired - Lifetime US3692293A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45045830A JPS4912803B1 (fr) 1970-05-28 1970-05-28

Publications (1)

Publication Number Publication Date
US3692293A true US3692293A (en) 1972-09-19

Family

ID=12730136

Family Applications (1)

Application Number Title Priority Date Filing Date
US136073A Expired - Lifetime US3692293A (en) 1970-05-28 1971-04-21 Apparatus for blowing high-temperature reducing gas into blast furnace

Country Status (8)

Country Link
US (1) US3692293A (fr)
JP (1) JPS4912803B1 (fr)
BE (1) BE766508A (fr)
CA (1) CA972153A (fr)
FR (1) FR2090346B1 (fr)
GB (1) GB1305501A (fr)
NL (1) NL170436C (fr)
SU (1) SU407455A3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5354161A (en) * 1992-11-12 1994-10-11 Laurel Bank Machines Co., Ltd. Check book issuing machine
CN101519703B (zh) * 2008-02-26 2010-12-08 宝山钢铁股份有限公司 一种低焦比高炉炼铁工艺
EP2301597A1 (fr) 1994-07-22 2011-03-30 United States Surgical Corporation Polymères ramifiés bio-absorbable contenant des unités dérivées de dioxanone et dispositifs médicaux/chirurgicaux fabriqués à partir de ceux-ci

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5354161A (en) * 1992-11-12 1994-10-11 Laurel Bank Machines Co., Ltd. Check book issuing machine
EP2301597A1 (fr) 1994-07-22 2011-03-30 United States Surgical Corporation Polymères ramifiés bio-absorbable contenant des unités dérivées de dioxanone et dispositifs médicaux/chirurgicaux fabriqués à partir de ceux-ci
CN101519703B (zh) * 2008-02-26 2010-12-08 宝山钢铁股份有限公司 一种低焦比高炉炼铁工艺

Also Published As

Publication number Publication date
FR2090346B1 (fr) 1974-10-11
NL170436B (nl) 1982-06-01
DE2120833A1 (de) 1971-12-02
FR2090346A1 (fr) 1972-01-14
SU407455A3 (fr) 1973-11-21
GB1305501A (fr) 1973-02-07
NL7107141A (fr) 1971-11-30
CA972153A (en) 1975-08-05
JPS4912803B1 (fr) 1974-03-27
BE766508A (fr) 1971-09-16
NL170436C (nl) 1982-11-01

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