BE810597A - Blast furnace operation - injecting reducing gases at two levels to reduce coke consumption and increase furnace output - Google Patents

Blast furnace operation - injecting reducing gases at two levels to reduce coke consumption and increase furnace output

Info

Publication number
BE810597A
BE810597A BE6044448A BE6044448A BE810597A BE 810597 A BE810597 A BE 810597A BE 6044448 A BE6044448 A BE 6044448A BE 6044448 A BE6044448 A BE 6044448A BE 810597 A BE810597 A BE 810597A
Authority
BE
Belgium
Prior art keywords
levels
reducing gases
reduce coke
coke consumption
injecting reducing
Prior art date
Application number
BE6044448A
Other languages
French (fr)
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 filed Critical
Priority to BE6044448A priority Critical patent/BE810597A/en
Publication of BE810597A publication Critical patent/BE810597A/en

Links

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
    • C21B5/002—Heated electrically (plasma)

Landscapes

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

Abstract

Process comprises injecting reducing gases (a) into the hearth, pref. through the main tuyeres, the gas being heated to 1700-2500 degrees C by a plasma torch, and (b) at a higher level, pref. at the lower part of the reserve zone, at 900-1100 degrees C.
BE6044448A 1974-02-04 1974-02-04 Blast furnace operation - injecting reducing gases at two levels to reduce coke consumption and increase furnace output BE810597A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BE6044448A BE810597A (en) 1974-02-04 1974-02-04 Blast furnace operation - injecting reducing gases at two levels to reduce coke consumption and increase furnace output

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE6044448A BE810597A (en) 1974-02-04 1974-02-04 Blast furnace operation - injecting reducing gases at two levels to reduce coke consumption and increase furnace output

Publications (1)

Publication Number Publication Date
BE810597A true BE810597A (en) 1974-05-29

Family

ID=3874553

Family Applications (1)

Application Number Title Priority Date Filing Date
BE6044448A BE810597A (en) 1974-02-04 1974-02-04 Blast furnace operation - injecting reducing gases at two levels to reduce coke consumption and increase furnace output

Country Status (1)

Country Link
BE (1) BE810597A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2486962A1 (en) * 1980-07-15 1982-01-22 Siderurgie Fse Inst Rech Lowering reducing agent consumption in smelting furnaces - esp. blast furnaces, by using recycled off-gas instead of conventional blast
FR2528553A1 (en) * 1982-06-09 1983-12-16 Skf Steel Eng Ab METHOD OF USING A PLASMA GENERATOR TO INCREASE THE TEMPERATURE OF THE WIND IN A TANK OVEN

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2486962A1 (en) * 1980-07-15 1982-01-22 Siderurgie Fse Inst Rech Lowering reducing agent consumption in smelting furnaces - esp. blast furnaces, by using recycled off-gas instead of conventional blast
FR2528553A1 (en) * 1982-06-09 1983-12-16 Skf Steel Eng Ab METHOD OF USING A PLASMA GENERATOR TO INCREASE THE TEMPERATURE OF THE WIND IN A TANK OVEN

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