DE60011652D1 - Verfahren und vorrichtung zum granulieren - Google Patents

Verfahren und vorrichtung zum granulieren

Info

Publication number
DE60011652D1
DE60011652D1 DE60011652T DE60011652T DE60011652D1 DE 60011652 D1 DE60011652 D1 DE 60011652D1 DE 60011652 T DE60011652 T DE 60011652T DE 60011652 T DE60011652 T DE 60011652T DE 60011652 D1 DE60011652 D1 DE 60011652D1
Authority
DE
Germany
Prior art keywords
curtain
spray
molten material
drops
stream
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 - Lifetime
Application number
DE60011652T
Other languages
English (en)
Inventor
Peter Samuelsson
Jan Andersson
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.)
Outokumpu Stainless AB
Original Assignee
AvestaPolarit AB
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 AvestaPolarit AB filed Critical AvestaPolarit AB
Application granted granted Critical
Publication of DE60011652D1 publication Critical patent/DE60011652D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • B01J2/06—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a liquid medium
    • 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
    • C21B3/08—Cooling slag
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
    • B22F2009/0824—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid with a specific atomising fluid
    • B22F2009/0828—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid with a specific atomising fluid with 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
    • C21B2400/02—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Furnace Details (AREA)
  • Glanulating (AREA)
  • Disintegrating Or Milling (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Manufacture Of Iron (AREA)
  • Seasonings (AREA)
DE60011652T 1999-10-15 2000-10-10 Verfahren und vorrichtung zum granulieren Expired - Lifetime DE60011652D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9903710A SE517487C2 (sv) 1999-10-15 1999-10-15 Sätt vid tillverkning av fasta partiklar av en smälta, samt anordning härför
PCT/SE2000/001953 WO2001026794A1 (en) 1999-10-15 2000-10-10 Method relating to granulation and apparatus therefor

Publications (1)

Publication Number Publication Date
DE60011652D1 true DE60011652D1 (de) 2004-07-22

Family

ID=20417358

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60011652T Expired - Lifetime DE60011652D1 (de) 1999-10-15 2000-10-10 Verfahren und vorrichtung zum granulieren

Country Status (6)

Country Link
EP (1) EP1222020B1 (de)
AT (1) ATE269151T1 (de)
AU (1) AU1066901A (de)
DE (1) DE60011652D1 (de)
SE (1) SE517487C2 (de)
WO (1) WO2001026794A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005018949A1 (de) * 2005-04-18 2006-10-19 Ami-Agrolinz Melamine International Gmbh Harnstoffpartikel, Verfahren zu dessen Herstellung und dessen Verwendung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1588725A (en) * 1976-12-23 1981-04-29 Powdrex Ltd Atomiser for making powder
JPS5582702A (en) * 1978-12-19 1980-06-21 Toyota Motor Corp Production of metal powder
JP2993029B2 (ja) * 1990-02-08 1999-12-20 大同特殊鋼株式会社 金属粉末の製造方法
SE507828C2 (sv) * 1992-01-28 1998-07-20 Hg Tech Ab Atomiseringsförfarande
US5663124A (en) * 1994-12-09 1997-09-02 Ford Global Technologies, Inc. Low alloy steel powder for plasma deposition having solid lubricant properties

Also Published As

Publication number Publication date
SE517487C2 (sv) 2002-06-11
AU1066901A (en) 2001-04-23
SE9903710L (sv) 2001-04-16
WO2001026794A1 (en) 2001-04-19
SE9903710D0 (sv) 1999-10-15
EP1222020A1 (de) 2002-07-17
EP1222020B1 (de) 2004-06-16
ATE269151T1 (de) 2004-07-15

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: OUTOKUMPU STAINLESS AB, STOCKHOLM, SE

8332 No legal effect for de