KR960010881A - 칼슘철슬래그의 수쇄방법 - Google Patents

칼슘철슬래그의 수쇄방법 Download PDF

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Publication number
KR960010881A
KR960010881A KR1019940028352A KR19940028352A KR960010881A KR 960010881 A KR960010881 A KR 960010881A KR 1019940028352 A KR1019940028352 A KR 1019940028352A KR 19940028352 A KR19940028352 A KR 19940028352A KR 960010881 A KR960010881 A KR 960010881A
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KR
South Korea
Prior art keywords
calcium iron
iron slag
water
slag
calculation method
Prior art date
Application number
KR1019940028352A
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English (en)
Other versions
KR100205774B1 (ko
Inventor
아키요시 야마시로
Original Assignee
아키모토 유우미
미쯔비시마테리알 카부시키가이샤
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.)
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Publication date
Application filed by 아키모토 유우미, 미쯔비시마테리알 카부시키가이샤 filed Critical 아키모토 유우미
Publication of KR960010881A publication Critical patent/KR960010881A/ko
Application granted granted Critical
Publication of KR100205774B1 publication Critical patent/KR100205774B1/ko

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B3/00—General features in the manufacture of pig-iron
    • C21B3/04—Recovery of by-products, e.g. slag
    • C21B3/06—Treatment of liquid slag
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B15/00—Obtaining copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/04—Working-up slag
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/02—Physical or chemical treatment of slags
    • C21B2400/022—Methods of cooling or quenching molten slag
    • C21B2400/024—Methods of cooling or quenching molten slag with the direct use of steam or liquid coolants, e.g. water
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/05—Apparatus features
    • C21B2400/062—Jet nozzles or pressurised fluids for cooling, fragmenting or atomising slag
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Furnace Details (AREA)
  • Processing Of Solid Wastes (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)

Abstract

제동공정에 있어서 CaO를 10~30중량% 함유하는 칼슘철슬래그를 수쇄하는 방법이 개시되어 있다. 이 방법에 있어서, 7~25m/sec의 유속으로 물을 흐르게 하고, 그 흐르는 물에 칼슘철슬래그를 물/슬래그의 중량비가 100이상이 되도록 도입한다. 이 방법에 의해서 수쇄중에 수증기폭발을 효과적으로 방지할 수 있다.

Description

칼슘철슬래그의 수쇄방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 종래의 슬래그수쇄장치를 나타내는 일부절결 사시도이다.
제2도는 제1도의 Ⅱ-Ⅱ선을 따른 개략단면도이다.
* 도면의 주요부분에 대한 부호의 설명
1 : 배출통 2 : 수납통
3 : 배수장치 3a : 방수구
3b : 급수관부재 3c : 수관

Claims (2)

  1. 제동공정에 있어서 CaO를10~30중량% 함유하는 칼슘철슬래그를 수쇄하는 방법에 있어서, 7~25m/sec의 유속으로 물을 흐르게 하고, 그 수류(水流)에 칼슘철슬래그를 물/슬래그의 중량비가 100이상이 되도록 도입하는 것을 특징으로 하는 칼슘철슬래그의 수쇄방법.
  2. 제1항에 있어서, 상기한 수류의 칼슘철슬래그를 물/슬래그의 중량비가 400미만이 되도록 도입하는 것을 특징으로 하는 칼슘철슬래그의 수쇄방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940028352A 1994-09-19 1994-10-31 칼슘철슬래그의 수쇄방법 KR100205774B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/308,519 US5468279A (en) 1994-09-19 1994-09-19 Method for water-granulating calcium ferrite slag
US08/308,519 1994-09-19
US8/308519 1994-09-19

Publications (2)

Publication Number Publication Date
KR960010881A true KR960010881A (ko) 1996-04-20
KR100205774B1 KR100205774B1 (ko) 1999-07-01

Family

ID=23194296

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940028352A KR100205774B1 (ko) 1994-09-19 1994-10-31 칼슘철슬래그의 수쇄방법

Country Status (11)

Country Link
US (1) US5468279A (ko)
EP (1) EP0702092B1 (ko)
JP (1) JP3206335B2 (ko)
KR (1) KR100205774B1 (ko)
CN (1) CN1106452C (ko)
AU (1) AU685251B2 (ko)
CA (1) CA2149801C (ko)
DE (1) DE69511492T2 (ko)
FI (1) FI111556B (ko)
RU (1) RU2123983C1 (ko)
ZA (1) ZA954020B (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5468279A (en) * 1994-09-19 1995-11-21 Mitsubishi Materials Corporation Method for water-granulating calcium ferrite slag
US6000242A (en) * 1996-05-31 1999-12-14 Kennecott Holdings Corporation Apparatus for and process of water granulating matte or slag
CA2290500C (en) * 1997-05-30 2007-03-20 Kennecott Holdings Corporation Apparatus for and process of water granulating matte or slag
JP3968995B2 (ja) * 2000-02-25 2007-08-29 Ｊｆｅスチール株式会社 粗粒硬質水砕スラグの製造方法
KR100799461B1 (ko) * 2006-12-19 2008-02-01 재단법인 포항산업과학연구원 수재제조설비의 충돌판 및 그를 이용한 수재 입도 조절방법
JP6036552B2 (ja) * 2013-05-27 2016-11-30 住友金属鉱山株式会社 水砕スラグの粗粒化方法
KR101964975B1 (ko) * 2017-08-29 2019-04-02 서경산업주식회사 제강 슬래그로부터 탄산칼슘과 산화철을 제조하는 방법
CN110744025A (zh) * 2019-10-16 2020-02-04 中冶南方连铸技术工程有限责任公司 预防连铸二冷室积渣方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS515337B1 (ko) * 1970-12-28 1976-02-19
DE2157653C3 (de) * 1971-11-20 1974-05-22 Knapsack Ag, 5033 Huerth-Knapsack Verfahren zur Granulierung einer schmelzflüssigen Mischung von Phosphorofenschlacke und Ferrophosphor
DE3807720A1 (de) * 1988-03-09 1989-09-21 Norddeutsche Affinerie Verfahren und vorrichtung zum granulieren fluessiger schlacken
DD278479A3 (de) * 1988-06-29 1990-05-09 Bandstahlkombinat Matern Veb Verfahren zum granulieren fluessiger schlacke
JPH04302993A (ja) * 1991-03-30 1992-10-26 Mitsubishi Materials Corp 製錬炉におけるカラミの水砕装置
JPH04302994A (ja) * 1991-03-30 1992-10-26 Mitsubishi Materials Corp 製錬炉におけるカラミの水砕装置
US5468279A (en) * 1994-09-19 1995-11-21 Mitsubishi Materials Corporation Method for water-granulating calcium ferrite slag

Also Published As

Publication number Publication date
JP3206335B2 (ja) 2001-09-10
DE69511492D1 (de) 1999-09-23
CN1106452C (zh) 2003-04-23
KR100205774B1 (ko) 1999-07-01
ZA954020B (en) 1996-01-17
EP0702092A1 (en) 1996-03-20
CA2149801C (en) 2003-08-19
CA2149801A1 (en) 1996-03-20
JPH0926270A (ja) 1997-01-28
FI111556B (fi) 2003-08-15
AU685251B2 (en) 1998-01-15
RU2123983C1 (ru) 1998-12-27
CN1124233A (zh) 1996-06-12
DE69511492T2 (de) 2000-01-20
US5468279A (en) 1995-11-21
FI952352A0 (fi) 1995-05-15
EP0702092B1 (en) 1999-08-18
AU2014195A (en) 1996-04-04
FI952352A (fi) 1996-03-20
RU95108552A (ru) 1997-04-20

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