JP7468820B1 - 粒鉄製造装置及び粒鉄製造方法 - Google Patents

粒鉄製造装置及び粒鉄製造方法 Download PDF

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Publication number
JP7468820B1
JP7468820B1 JP2023578819A JP2023578819A JP7468820B1 JP 7468820 B1 JP7468820 B1 JP 7468820B1 JP 2023578819 A JP2023578819 A JP 2023578819A JP 2023578819 A JP2023578819 A JP 2023578819A JP 7468820 B1 JP7468820 B1 JP 7468820B1
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Prior art keywords
cooling water
pipe group
water pipe
cylinder
iron
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JP2023578819A
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Japanese (ja)
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JPWO2024018916A1 (https=
JPWO2024018916A5 (https=
Inventor
雄大 土田
俊介 森
聡志 川畑
有仁 松永
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JFE Steel Corp
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JFE Steel Corp
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    • 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
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/05—Metallic powder characterised by the size or surface area of the particles
    • B22F1/054—Nanosized particles
    • B22F1/0551—Flake form nanoparticles
    • 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
    • B22F2009/0804—Dispersion in or on liquid, other than with sieves
    • 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
    • B22F2009/0804—Dispersion in or on liquid, other than with sieves
    • B22F2009/0808—Mechanical dispersion of melt, e.g. by sieves
    • 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
    • B22F2009/0872—Cooling after atomisation by 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
    • B22F2009/0896—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 particle transport, separation: process and apparatus
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Furnace Details (AREA)
JP2023578819A 2022-07-19 2023-07-06 粒鉄製造装置及び粒鉄製造方法 Active JP7468820B1 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022114591 2022-07-19
JP2022114591 2022-07-19
PCT/JP2023/025176 WO2024018916A1 (ja) 2022-07-19 2023-07-06 粒鉄製造装置及び粒鉄製造方法

Publications (3)

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JPWO2024018916A1 JPWO2024018916A1 (https=) 2024-01-25
JP7468820B1 true JP7468820B1 (ja) 2024-04-16
JPWO2024018916A5 JPWO2024018916A5 (https=) 2024-06-25

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JP2023578819A Active JP7468820B1 (ja) 2022-07-19 2023-07-06 粒鉄製造装置及び粒鉄製造方法

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Country Link
US (1) US20260027620A1 (https=)
EP (1) EP4520461A4 (https=)
JP (1) JP7468820B1 (https=)
KR (1) KR20250024067A (https=)
CN (1) CN119497652A (https=)
WO (1) WO2024018916A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025134489A1 (ja) * 2023-12-20 2025-06-26 Ｊｆｅスチール株式会社 粒鉄製造装置
CN121360809B (zh) * 2025-12-18 2026-03-24 福建中伟半导体材料有限公司 一种高纯镉粉制备工艺

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021127510A (ja) * 2020-02-17 2021-09-02 Ｊｆｅスチール株式会社 粒鉄製造装置
JP2021161465A (ja) * 2020-03-31 2021-10-11 Ｊｆｅスチール株式会社 粒鉄製造装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE312642B (https=) 1968-02-05 1969-07-21 Uddeholms Ab
JPS5220948A (en) 1975-07-24 1977-02-17 Osaka Denki Co Ltd Gas shielded type arc welding process
JPH0920902A (ja) 1995-06-30 1997-01-21 Nippon Steel Corp 粒銑の製造方法
US10293407B2 (en) * 2014-03-31 2019-05-21 Jfe Steel Corporation Method of producing atomized metal powder
JP6372442B2 (ja) * 2015-07-31 2018-08-15 Ｊｆｅスチール株式会社 水アトマイズ金属粉末の製造方法
JP6565941B2 (ja) 2017-01-18 2019-08-28 Ｊｆｅスチール株式会社 軟磁性鉄粉の製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021127510A (ja) * 2020-02-17 2021-09-02 Ｊｆｅスチール株式会社 粒鉄製造装置
JP2021161465A (ja) * 2020-03-31 2021-10-11 Ｊｆｅスチール株式会社 粒鉄製造装置

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Publication number Publication date
WO2024018916A1 (ja) 2024-01-25
EP4520461A1 (en) 2025-03-12
JPWO2024018916A1 (https=) 2024-01-25
US20260027620A1 (en) 2026-01-29
CN119497652A (zh) 2025-02-21
KR20250024067A (ko) 2025-02-18
EP4520461A4 (en) 2025-06-18

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