JPS57152411A - Treatment for stabilization of slag in steel making - Google Patents

Treatment for stabilization of slag in steel making

Info

Publication number
JPS57152411A
JPS57152411A JP3729281A JP3729281A JPS57152411A JP S57152411 A JPS57152411 A JP S57152411A JP 3729281 A JP3729281 A JP 3729281A JP 3729281 A JP3729281 A JP 3729281A JP S57152411 A JPS57152411 A JP S57152411A
Authority
JP
Japan
Prior art keywords
slag
water
hot
steel making
stabilization
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
JP3729281A
Other languages
Japanese (ja)
Inventor
Naoe Hirai
Yoshiichi Nagao
Shigeto Kubo
Yoshiyasu Narutomi
Mototsugu Ono
Kenji Ijichi
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
Priority to JP3729281A priority Critical patent/JPS57152411A/en
Publication of JPS57152411A publication Critical patent/JPS57152411A/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
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/36—Processes yielding slags of special composition

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

PURPOSE:To stabilize slag easily in a short time by removing slag in steel making then immersing the slag in hot water or hot sea water for a suitable period to accelerate the hydration of the free lime contents and others in the slag. CONSTITUTION:After slag in steel making is removed, it is immersed in hot water or hot sea water of >=60 deg.C for >=8hrs and <7 days, whereby the hydration of the free lime in the slag is accelerated and the slag is stabilized to about <=0.6% coefft. of expansion when immersed in water. This treated slag can be shipped and used after it is dried. To increase the coefft. of expansion further or to make it zero, only the fine powder portion or the whole slag is separately heated so that it is statilized simultaneously with drying, after the above-described stabilization with hot water or hot sea water.
JP3729281A 1981-03-17 1981-03-17 Treatment for stabilization of slag in steel making Pending JPS57152411A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3729281A JPS57152411A (en) 1981-03-17 1981-03-17 Treatment for stabilization of slag in steel making

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3729281A JPS57152411A (en) 1981-03-17 1981-03-17 Treatment for stabilization of slag in steel making

Publications (1)

Publication Number Publication Date
JPS57152411A true JPS57152411A (en) 1982-09-20

Family

ID=12493627

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3729281A Pending JPS57152411A (en) 1981-03-17 1981-03-17 Treatment for stabilization of slag in steel making

Country Status (1)

Country Link
JP (1) JPS57152411A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000041665A (en) * 1998-12-23 2000-07-15 이구택 Seasoning method of electric furnace slag with hot carbonated water
EP1673316A1 (en) * 2003-10-16 2006-06-28 Companhia Sider rgica de Tubar O Process of inertization (dampening) of steel making slag for economical reuse
JP2008138527A (en) * 2006-11-30 2008-06-19 Denyo Co Ltd Oil drain device of engine working machine
JP2010241653A (en) * 2009-04-09 2010-10-28 Nippon Steel Corp Method for producing steel slag for water area sinking
JP2012056790A (en) * 2010-09-08 2012-03-22 Taiheiyo Cement Corp Steel slag treatment method
JP2013224230A (en) * 2012-04-20 2013-10-31 Kobe Steel Ltd Method for modifying slag material surface

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000041665A (en) * 1998-12-23 2000-07-15 이구택 Seasoning method of electric furnace slag with hot carbonated water
EP1673316A1 (en) * 2003-10-16 2006-06-28 Companhia Sider rgica de Tubar O Process of inertization (dampening) of steel making slag for economical reuse
JP2008138527A (en) * 2006-11-30 2008-06-19 Denyo Co Ltd Oil drain device of engine working machine
JP2010241653A (en) * 2009-04-09 2010-10-28 Nippon Steel Corp Method for producing steel slag for water area sinking
JP2012056790A (en) * 2010-09-08 2012-03-22 Taiheiyo Cement Corp Steel slag treatment method
JP2013224230A (en) * 2012-04-20 2013-10-31 Kobe Steel Ltd Method for modifying slag material surface

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