GB275601A - Improvements in operating shaft furnaces, in particular blast furnaces - Google Patents

Improvements in operating shaft furnaces, in particular blast furnaces

Info

Publication number
GB275601A
GB275601A GB19653/27A GB1965327A GB275601A GB 275601 A GB275601 A GB 275601A GB 19653/27 A GB19653/27 A GB 19653/27A GB 1965327 A GB1965327 A GB 1965327A GB 275601 A GB275601 A GB 275601A
Authority
GB
United Kingdom
Prior art keywords
furnaces
waste gas
blast
operating shaft
compensated
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
Application number
GB19653/27A
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.)
Fried Krupp AG
Original Assignee
Fried Krupp AG
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 Fried Krupp AG filed Critical Fried Krupp AG
Publication of GB275601A publication Critical patent/GB275601A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/06—Making pig-iron in the blast furnace using top gas in the blast furnace process
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/26—Increasing the gas reduction potential of recycled exhaust gases by adding additional fuel in recirculation pipes

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)

Abstract

275,601. Krupp Akt.-Ges. Friedrich- Alfred-H³tte, F. Aug. 6, 1926, [Convention date]. Blast and cupola furnaces.-In a method of operating shaft, and especially blast furnaces, involving the utilization in the furnaces of a portion of the waste gases, the blast is delivered at a higher temperature than usual in order to supply sufficient heat to heat up the waste gas to furnace temperature, whilst the coke charge is correspondingly reduced, and changes in the thermal and chemical equilibrium of the process are compensated for by varying the quantity of waste gas supplied. Loss of working temperature may be compensated for by heating the waste gas or by adding oxygen. As an additional means of control coal dust is supplied, with waste gas close above the tuyeres. Waste gas alone may be introduced above tuyere level to act as a local cooling agent.
GB19653/27A 1926-08-06 1927-07-25 Improvements in operating shaft furnaces, in particular blast furnaces Expired GB275601A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE275601X 1926-08-06

Publications (1)

Publication Number Publication Date
GB275601A true GB275601A (en) 1928-10-25

Family

ID=6026251

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19653/27A Expired GB275601A (en) 1926-08-06 1927-07-25 Improvements in operating shaft furnaces, in particular blast furnaces

Country Status (1)

Country Link
GB (1) GB275601A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2559213A (en) * 1947-04-03 1951-07-03 Edwin Emil Method for producing metals in blast furnaces
US3460934A (en) * 1966-12-19 1969-08-12 John J Kelmar Blast furnace method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2559213A (en) * 1947-04-03 1951-07-03 Edwin Emil Method for producing metals in blast furnaces
US3460934A (en) * 1966-12-19 1969-08-12 John J Kelmar Blast furnace method

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