JPS54130421A - Method and apparatus for desulfurizing hot iron - Google Patents

Method and apparatus for desulfurizing hot iron

Info

Publication number
JPS54130421A
JPS54130421A JP3807278A JP3807278A JPS54130421A JP S54130421 A JPS54130421 A JP S54130421A JP 3807278 A JP3807278 A JP 3807278A JP 3807278 A JP3807278 A JP 3807278A JP S54130421 A JPS54130421 A JP S54130421A
Authority
JP
Japan
Prior art keywords
iron
fence
dipped
desulfurizing agent
hot iron
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.)
Pending
Application number
JP3807278A
Other languages
Japanese (ja)
Inventor
Masaomi Hayakawa
Takayuki Takagi
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.)
Ibiden Co Ltd
Ibigawa Electric Industry Co Ltd
Original Assignee
Ibiden Co Ltd
Ibigawa Electric Industry Co 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 Ibiden Co Ltd, Ibigawa Electric Industry Co Ltd filed Critical Ibiden Co Ltd
Priority to JP3807278A priority Critical patent/JPS54130421A/en
Publication of JPS54130421A publication Critical patent/JPS54130421A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/02—Dephosphorising or desulfurising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

Abstract

PURPOSE:To enhance desulfurizing agent utilization efficiency in desulfurization of hot iron by blowing a powdered desulfurizing agent with a carrier gas through a dipped lance pipe outside a furnace, by dipping a fire resistant fence in the hot iron and contact stirring the iron and the agent in the fence. CONSTITUTION:Hot iron 15 is desulfurized by blowing a powdered desulfurizing agent such as calcium carbide into the lower part of iron 15 together with a carrier gas such as N2 gas through fire resistant dipped lance pipe 11. At this time, the lower part of fire resistant fence 13 is dipped in iron 15 to contact stir the unreacted desulfurizing agent and iron 15 in fence 13. The size of fence 13 is so regulated that the surface area of iron 15 in fence 13 is below 3 times, pref. twice as large as that of iron 15 in the range of the rising carrier gas. Fence 13 is dipped in iron 15 to above 10, pref. 20-40 cm depth. The vol. of the gas passed through the hot iron surface in fence 13 is above 1.0, pref. 2.5-4.0 Nm<3>/min to 1 m<2> of the hot iron surface area in fence 3.
JP3807278A 1978-04-03 1978-04-03 Method and apparatus for desulfurizing hot iron Pending JPS54130421A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3807278A JPS54130421A (en) 1978-04-03 1978-04-03 Method and apparatus for desulfurizing hot iron

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3807278A JPS54130421A (en) 1978-04-03 1978-04-03 Method and apparatus for desulfurizing hot iron

Publications (1)

Publication Number Publication Date
JPS54130421A true JPS54130421A (en) 1979-10-09

Family

ID=12515276

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3807278A Pending JPS54130421A (en) 1978-04-03 1978-04-03 Method and apparatus for desulfurizing hot iron

Country Status (1)

Country Link
JP (1) JPS54130421A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58213812A (en) * 1982-06-04 1983-12-12 Nippon Steel Corp Treatment device of molten metal
JPS5917750U (en) * 1982-07-26 1984-02-03 日本鋼管株式会社 Hot metal pretreatment equipment
JPS59136412A (en) * 1983-01-25 1984-08-06 Nippon Steel Corp Injection of gas into molten metal bath
JPS59145555U (en) * 1983-03-22 1984-09-28 新日本製鐵株式会社 Molten metal processing equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58213812A (en) * 1982-06-04 1983-12-12 Nippon Steel Corp Treatment device of molten metal
JPS5917750U (en) * 1982-07-26 1984-02-03 日本鋼管株式会社 Hot metal pretreatment equipment
JPS59136412A (en) * 1983-01-25 1984-08-06 Nippon Steel Corp Injection of gas into molten metal bath
JPS59145555U (en) * 1983-03-22 1984-09-28 新日本製鐵株式会社 Molten metal processing equipment

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