BR112023022036A2 - Processo para fabricação de pós metálicos, atomizador a gás e instalação - Google Patents

Processo para fabricação de pós metálicos, atomizador a gás e instalação

Info

Publication number
BR112023022036A2
BR112023022036A2 BR112023022036A BR112023022036A BR112023022036A2 BR 112023022036 A2 BR112023022036 A2 BR 112023022036A2 BR 112023022036 A BR112023022036 A BR 112023022036A BR 112023022036 A BR112023022036 A BR 112023022036A BR 112023022036 A2 BR112023022036 A2 BR 112023022036A2
Authority
BR
Brazil
Prior art keywords
installation
gas atomizer
gas
metal powder
manufacturing metal
Prior art date
Application number
BR112023022036A
Other languages
English (en)
Inventor
Benjamin Boissiere
Original Assignee
Arcelormittal
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 Arcelormittal filed Critical Arcelormittal
Publication of BR112023022036A2 publication Critical patent/BR112023022036A2/pt

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
    • 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
    • B22F2009/0848—Melting process before atomisation
    • 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
    • B22F2009/086—Cooling after atomisation
    • 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
    • B22F2009/086—Cooling after atomisation
    • B22F2009/0876—Cooling after atomisation by gas
    • 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
    • B22F2301/00—Metallic composition of the powder or its coating
    • B22F2301/35—Iron
    • 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
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps
    • 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
    • Y02P10/25—Process efficiency

Landscapes

  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)

Abstract

processo para fabricação de pós metálicos, atomizador a gás e instalação. a invenção refere-se a um processo para fabricação de pós metálicos, compreendendo (i) alimentar uma câmara de um atomizador a gás com metal fundido, (ii) atomizar o metal fundido por injeção de gás de modo a formar partículas metálicas, (iii) resfriar as partículas metálicas na seção inferior da câmara injetando gás a partir do fundo da câmara de modo a formar um leito fluidizado borbulhante de partículas metálicas. a invenção também se refere ao atomizador a gás do mesmo.
BR112023022036A 2021-04-28 2022-04-26 Processo para fabricação de pós metálicos, atomizador a gás e instalação BR112023022036A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/IB2021/053518 WO2022229674A1 (en) 2021-04-28 2021-04-28 Gas atomizer for manufacturing metal powders
PCT/IB2022/053843 WO2022229829A1 (en) 2021-04-28 2022-04-26 Gas atomizer

Publications (1)

Publication Number Publication Date
BR112023022036A2 true BR112023022036A2 (pt) 2023-12-26

Family

ID=75769662

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112023022036A BR112023022036A2 (pt) 2021-04-28 2022-04-26 Processo para fabricação de pós metálicos, atomizador a gás e instalação

Country Status (9)

Country Link
US (1) US20240207932A1 (pt)
EP (1) EP4329964A1 (pt)
JP (1) JP2024515327A (pt)
KR (1) KR20230172011A (pt)
CN (1) CN117222487A (pt)
BR (1) BR112023022036A2 (pt)
CA (1) CA3218022A1 (pt)
MX (1) MX2023012577A (pt)
WO (2) WO2022229674A1 (pt)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2144220C3 (de) * 1971-08-31 1974-04-25 Mannesmann Ag, 4000 Duesseldorf Verfahren und Vorrichtung zum Herstellen von sauerstoffarmen Metallpulvern
US4823712A (en) * 1985-12-18 1989-04-25 Wormser Engineering, Inc. Multifuel bubbling bed fluidized bed combustor system
CN102000828B (zh) * 2010-09-26 2013-01-16 王昌祺 金属超微雾化粉碎分级系统及其金属雾化装置

Also Published As

Publication number Publication date
WO2022229829A1 (en) 2022-11-03
EP4329964A1 (en) 2024-03-06
CA3218022A1 (en) 2022-11-03
JP2024515327A (ja) 2024-04-08
WO2022229674A1 (en) 2022-11-03
CN117222487A (zh) 2023-12-12
US20240207932A1 (en) 2024-06-27
KR20230172011A (ko) 2023-12-21
MX2023012577A (es) 2023-10-31

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