JP6298892B2 - 粉末製造装置及び粉末形成方法 - Google Patents
粉末製造装置及び粉末形成方法 Download PDFInfo
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- JP6298892B2 JP6298892B2 JP2016541022A JP2016541022A JP6298892B2 JP 6298892 B2 JP6298892 B2 JP 6298892B2 JP 2016541022 A JP2016541022 A JP 2016541022A JP 2016541022 A JP2016541022 A JP 2016541022A JP 6298892 B2 JP6298892 B2 JP 6298892B2
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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
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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
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
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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
- 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
- B22F2009/0832—Handling of atomising fluid, e.g. heating, cooling, cleaning, recirculating
-
- 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
- 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
- B22F2009/088—Fluid nozzles, e.g. angle, distance
-
- 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
- B22F2009/0884—Spiral fluid
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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
- 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
- B22F2009/0892—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 nozzle; controlling metal stream in or after the casting nozzle
-
- 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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- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Description
131 冷却水
140 ガイド
141 円筒部
142 截頭円錐部
143 螺旋部
150 第1の流れ
160 第2の流れ
Claims (10)
- 溶鋼を提供する溶鋼提供部と、
前記溶鋼提供部の下部に配置され、前記溶鋼提供部によって提供される溶鋼を粉末化するために前記溶鋼に冷却流体を噴射する冷却流体噴射部と、
を含み、
前記冷却流体噴射部は、前記溶鋼を冷却させて粉末化する第1の流れ、及び前記溶鋼に下降気流を形成させる第2の流れを形成し、
前記冷却流体噴射部は、流れ落ちる溶鋼が中央部を通過するように下方に向かって配置される截頭円錐状部を含むガイドと、前記ガイドの外側に配置され、前記ガイドに冷却流体を噴射する噴射ノズルと、を含むことを特徴とする、粉末製造装置。 - 前記第2の流れは、溶鋼が流れ落ちる方向を中心に回転下降する流れであることを特徴とする、請求項1に記載の粉末製造装置。
- 前記ガイドには前記第2の流れを誘導する螺旋部が形成されることを特徴とする、請求項1に記載の粉末製造装置。
- 前記螺旋部は前記ガイドの表面に形成された溝であることを特徴とする、請求項3に記載の粉末製造装置。
- 前記螺旋部は前記ガイドの中心を基準に複数個が対称的に形成されることを特徴とする、請求項3に記載の粉末製造装置。
- 前記冷却流体噴射部は、前記第1の流れの流量が前記第2の流れの流量より多いように構成されることを特徴とする、請求項1に記載の粉末製造装置。
- 前記噴射ノズルは、ストレートジェットで構成され、前記冷却流体を前記ガイドの截頭円錐状部に向かって噴射するために配置されることを特徴とする、請求項1に記載の粉末製造装置。
- 前記噴射ノズルは前記ガイドの截頭円錐状部より上側に位置し、前記噴射ノズルが鉛直線となす角は前記截頭円錐状部の傾斜面が鉛直線となす角より大きいことを特徴とする、請求項7に記載の粉末製造装置。
- 前記冷却流体は水であることを特徴とする、請求項1から8のいずれか一項に記載の粉末製造装置。
- 溶鋼を提供する溶鋼提供段階と、
前記溶鋼提供段階で提供された溶鋼を冷却流体によって微粒化させる粉末形成段階と、
を含み、
前記粉末形成段階と同時に粉末の粗大化を抑制するように冷却流体と溶鋼の衝突地点に前記冷却流体による下降気流を形成する下降気流形成段階が行われ粉末形成方法であって、
前記粉末形成段階は、前記溶鋼と前記冷却流体の衝突地点を中心に外気の流入を防ぐ冷却流体壁を形成し、
前記下降気流形成段階は、回転流による下降気流を形成するように前記冷却流体を下方に向かって回転させて提供することを特徴とする、粉末形成方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020130160260A KR101536454B1 (ko) | 2013-12-20 | 2013-12-20 | 분말 제조 장치 및 분말 형성 방법 |
KR10-2013-0160260 | 2013-12-20 | ||
PCT/KR2013/012073 WO2015093672A1 (ko) | 2013-12-20 | 2013-12-24 | 분말 제조 장치 및 분말 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017509785A JP2017509785A (ja) | 2017-04-06 |
JP6298892B2 true JP6298892B2 (ja) | 2018-03-20 |
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ID=53403003
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Application Number | Title | Priority Date | Filing Date |
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JP2016541022A Expired - Fee Related JP6298892B2 (ja) | 2013-12-20 | 2013-12-24 | 粉末製造装置及び粉末形成方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10391558B2 (ja) |
EP (1) | EP3085475B1 (ja) |
JP (1) | JP6298892B2 (ja) |
KR (1) | KR101536454B1 (ja) |
CN (1) | CN105828989B (ja) |
WO (1) | WO2015093672A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11213890B2 (en) | 2016-08-17 | 2022-01-04 | Urban Mining Technology Company, Inc. | Sub-micron particles of rare earth and transition metals and alloys, including rare earth magnet materials |
CN107020386B (zh) * | 2017-05-15 | 2022-02-08 | 云航时代(重庆)科技有限公司 | 一种球化粉末高频感应等离子加热器的进气组件 |
JP6982015B2 (ja) * | 2019-02-04 | 2021-12-17 | 三菱パワー株式会社 | 金属粉末製造装置及びそのガス噴射器 |
WO2023119896A1 (ja) * | 2021-12-21 | 2023-06-29 | Jfeスチール株式会社 | 水アトマイズ金属粉末の製造方法および水アトマイズ金属粉末の製造装置 |
JP7276637B1 (ja) * | 2021-12-21 | 2023-05-18 | Jfeスチール株式会社 | 水アトマイズ金属粉末の製造方法および水アトマイズ金属粉末の製造装置 |
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JPS6350404A (ja) | 1986-08-21 | 1988-03-03 | Toyota Central Res & Dev Lab Inc | 金属粉末製造用噴霧ノズル |
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US4988464A (en) * | 1989-06-01 | 1991-01-29 | Union Carbide Corporation | Method for producing powder by gas atomization |
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AT409235B (de) * | 1999-01-19 | 2002-06-25 | Boehler Edelstahl | Verfahren und vorrichtung zur herstellung von metallpulver |
JP2001226704A (ja) | 2000-02-10 | 2001-08-21 | Sumitomo Metal Ind Ltd | 金属粉末の製造装置および製造方法 |
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JP4207954B2 (ja) | 2005-12-20 | 2009-01-14 | セイコーエプソン株式会社 | 金属粉末製造装置 |
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-
2013
- 2013-12-20 KR KR1020130160260A patent/KR101536454B1/ko active IP Right Grant
- 2013-12-24 US US15/035,110 patent/US10391558B2/en not_active Expired - Fee Related
- 2013-12-24 EP EP13899454.6A patent/EP3085475B1/en not_active Not-in-force
- 2013-12-24 JP JP2016541022A patent/JP6298892B2/ja not_active Expired - Fee Related
- 2013-12-24 WO PCT/KR2013/012073 patent/WO2015093672A1/ko active Application Filing
- 2013-12-24 CN CN201380081785.3A patent/CN105828989B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN105828989A (zh) | 2016-08-03 |
US10391558B2 (en) | 2019-08-27 |
US20160279712A1 (en) | 2016-09-29 |
KR20150072754A (ko) | 2015-06-30 |
WO2015093672A1 (ko) | 2015-06-25 |
KR101536454B1 (ko) | 2015-07-13 |
JP2017509785A (ja) | 2017-04-06 |
EP3085475A4 (en) | 2017-01-04 |
CN105828989B (zh) | 2018-03-30 |
EP3085475B1 (en) | 2018-09-26 |
EP3085475A1 (en) | 2016-10-26 |
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