WO2012036488A3 - 철계 분말의 제조방법 - Google Patents

철계 분말의 제조방법 Download PDF

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Publication number
WO2012036488A3
WO2012036488A3 PCT/KR2011/006821 KR2011006821W WO2012036488A3 WO 2012036488 A3 WO2012036488 A3 WO 2012036488A3 KR 2011006821 W KR2011006821 W KR 2011006821W WO 2012036488 A3 WO2012036488 A3 WO 2012036488A3
Authority
WO
WIPO (PCT)
Prior art keywords
ferrous powder
iron
molten
molten steel
producing
Prior art date
Application number
PCT/KR2011/006821
Other languages
English (en)
French (fr)
Other versions
WO2012036488A2 (ko
Inventor
김하늘
이언식
권오준
이규창
박선종
강희수
Original Assignee
주식회사 포스코
재단법인 포항산업과학연구원
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 주식회사 포스코, 재단법인 포항산업과학연구원 filed Critical 주식회사 포스코
Priority to JP2013529064A priority Critical patent/JP6249774B2/ja
Priority to US13/824,192 priority patent/US9156090B2/en
Priority to EP11825448.1A priority patent/EP2617503B1/en
Priority to CN201180054543.6A priority patent/CN103209791B/zh
Publication of WO2012036488A2 publication Critical patent/WO2012036488A2/ko
Publication of WO2012036488A3 publication Critical patent/WO2012036488A3/ko

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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
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • 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
    • 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
    • B22F2009/0888—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 casting construction of the melt process, apparatus, intermediate reservoir, e.g. tundish, devices for temperature control
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)

Abstract

용강을 이용한 철계 분말의 제조방법이 개시된다. 본 발명에 의한 철계 분말의 제조방법은 제선공정 및 제강공정을 통해 제조된 철계 용강을 턴디쉬에 제공하는 단계, 및 상기 턴디쉬에 연결된 노즐을 통해 배출되는 상기 용강에 수분사하는 단계를 포함한다. 본 발명을 적용함으로써 제선공정에서 출선된 용선을 용선예비처리 과정없이 전로에 장입한 후 정련시킨 용강으로부터 철계 분말을 제조함으로써 경제적으로 고청정도의 철계 분말을 제공할 수 있다.
PCT/KR2011/006821 2010-09-15 2011-09-15 철계 분말의 제조방법 WO2012036488A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2013529064A JP6249774B2 (ja) 2010-09-15 2011-09-15 鉄系粉末の製造方法
US13/824,192 US9156090B2 (en) 2010-09-15 2011-09-15 Method of manufacturing iron-based powder
EP11825448.1A EP2617503B1 (en) 2010-09-15 2011-09-15 Method for producing ferrous powder
CN201180054543.6A CN103209791B (zh) 2010-09-15 2011-09-15 铁系粉末的制备方法

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2010-0090746 2010-09-15
KR20100090746 2010-09-15
KR1020110093128A KR101356767B1 (ko) 2010-09-15 2011-09-15 철계 분말의 제조방법
KR10-2011-0093128 2011-09-15

Publications (2)

Publication Number Publication Date
WO2012036488A2 WO2012036488A2 (ko) 2012-03-22
WO2012036488A3 true WO2012036488A3 (ko) 2012-05-31

Family

ID=46133547

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/006821 WO2012036488A2 (ko) 2010-09-15 2011-09-15 철계 분말의 제조방법

Country Status (6)

Country Link
US (1) US9156090B2 (ko)
EP (1) EP2617503B1 (ko)
JP (1) JP6249774B2 (ko)
KR (1) KR101356767B1 (ko)
CN (1) CN103209791B (ko)
WO (1) WO2012036488A2 (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE542606C2 (en) * 2014-03-31 2020-06-16 Jfe Steel Corp Method for producing atomized metal powder
CN107427926B (zh) 2015-03-30 2019-10-29 杰富意钢铁株式会社 水雾化金属粉末的制造方法
CN107127349B (zh) * 2017-06-05 2019-11-19 华北理工大学 一种高温铁水气雾化脱碳炼钢的方法
CN110669980B (zh) * 2019-11-14 2021-06-22 中南大学湘雅医院 一种不锈钢3d打印粉料的制备方法及其产品
CN111906322A (zh) * 2020-08-10 2020-11-10 莱芜钢铁集团粉末冶金有限公司 一种低松装密度水雾化铁粉的制备方法
KR20220066452A (ko) * 2020-11-16 2022-05-24 (주)동아특수금속 온도제어를 통한 연속 용해 기술을 이용한 페로- 티타늄의 주조 공정
MX2023011751A (es) * 2021-04-06 2023-10-16 Arcelormittal Atomizacion con gas de acero fundido.
BR112023020630A2 (pt) * 2021-04-21 2023-12-05 Arcelormittal Processo para a produção de pós de aço e instalação para produção de pós de aço

Citations (4)

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Also Published As

Publication number Publication date
WO2012036488A2 (ko) 2012-03-22
KR20120028854A (ko) 2012-03-23
KR101356767B1 (ko) 2014-01-28
EP2617503A2 (en) 2013-07-24
CN103209791B (zh) 2016-10-05
US9156090B2 (en) 2015-10-13
CN103209791A (zh) 2013-07-17
US20130180360A1 (en) 2013-07-18
JP2013540897A (ja) 2013-11-07
EP2617503B1 (en) 2016-10-26
EP2617503A4 (en) 2014-04-02
JP6249774B2 (ja) 2017-12-20

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