JPWO2010106716A1 - 粉体の分級方法 - Google Patents
粉体の分級方法 Download PDFInfo
- Publication number
- JPWO2010106716A1 JPWO2010106716A1 JP2011504716A JP2011504716A JPWO2010106716A1 JP WO2010106716 A1 JPWO2010106716 A1 JP WO2010106716A1 JP 2011504716 A JP2011504716 A JP 2011504716A JP 2011504716 A JP2011504716 A JP 2011504716A JP WO2010106716 A1 JPWO2010106716 A1 JP WO2010106716A1
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- Prior art keywords
- powder
- classifier
- mixing
- classification method
- gas
- 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.)
- Granted
Links
- 239000000843 powder Substances 0.000 title claims abstract description 109
- 238000000034 method Methods 0.000 title claims abstract description 42
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 239000012530 fluid Substances 0.000 claims abstract description 24
- 239000002245 particle Substances 0.000 claims abstract description 20
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 16
- 239000003960 organic solvent Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims 1
- 125000003827 glycol group Chemical group 0.000 claims 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims 1
- 125000000468 ketone group Chemical group 0.000 claims 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 27
- 238000000926 separation method Methods 0.000 description 23
- 239000011812 mixed powder Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 5
- 150000002334 glycols Chemical class 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000002671 adjuvant Substances 0.000 description 2
- 239000003985 ceramic capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- AEDZKIACDBYJLQ-UHFFFAOYSA-N ethane-1,2-diol;hydrate Chemical compound O.OCCO AEDZKIACDBYJLQ-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
- B07B7/086—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by the winding course of the gas stream
-
- 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
- B22F1/052—Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
-
- 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
Landscapes
- Combined Means For Separation Of Solids (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
Description
実施例1においては、助剤として水を用い、水をニッケル粉体に対して質量比で3%〜5%添加した。また、ニッケル粉体と水との混合を20℃及び75℃で行った。表2に混合粉体における水の添加量(質量比)と製品収率、製品品質との関係を示す。なお、製品品質は、図4のフローチャートのステップS26及び図5のフローチャートのステップS46に示す吸入口32から回収されたニッケルについてのデータである。また、比較例として助剤をニッケル粉体に対して添加する前処理を行わないものについても実験を行った。
実施例2においては、助剤として引火点が80℃以上である有機溶媒の例としてジエチレングリコールを用い、ジエチレングリコールをニッケル粉体に対して質量比で4%〜5%添加した。また、ニッケル粉体とジエチレングリコールとの混合を20℃及び75℃で行った。表2に混合粉体におけるジエチレングリコールの添加量(質量比)と製品収率、製品品質との関係を示す。なお、製品品質は、図4のフローチャートのステップS26及び図5のフローチャートのステップS46に示す吸入口32から回収されたニッケルについてのデータである。また、実施例1と同様に前処理を行わないものについての比較例も示す。
Claims (5)
- 流体分級機を用いた粉体の分級方法において、
ニッケルからなる粉体と引火点が80℃以上である有機溶媒からなる助剤とを混合する混合工程と、
前記混合工程において混合された前記粉体を前記流体分級機に投入する投入工程と、
気体を加熱する加熱工程と、
前記加熱工程において加熱された前記気体を前記流体分級機に供給する供給工程と、
前記流体分級機において、前記粉体を粒径に基づいて分級する分級工程と
を含むことを特徴とする粉体の分級方法。 - 前記助剤はグリコール類であることを特徴とする請求項1記載の粉体の分級方法。
- 前記助剤はケトン類であることを特徴とする請求項1記載の粉体の分級方法。
- 流体分級機を用いた粉体の分級方法において、
ニッケルからなる粉体と水からなる助剤とを混合する混合工程と、
前記混合工程において混合された前記粉体を前記流体分級機に投入する投入工程と、
気体を加熱する加熱工程と、
前記加熱工程において加熱された前記気体を前記流体分級機に供給する供給工程と、
前記流体分級機において、前記粉体を粒径に基づいて分級する分級工程とを含むことを特徴とする粉体の分級方法。 - 前記混合工程において前記ニッケルからなる粉体と前記助剤とを加熱しながら混合することを特徴とする請求項1乃至4の何れか一項に記載の粉体の分級方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011504716A JP5323174B2 (ja) | 2009-03-18 | 2009-12-18 | 粉体の分級方法 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009066322 | 2009-03-18 | ||
JP2009066322 | 2009-03-18 | ||
JP2011504716A JP5323174B2 (ja) | 2009-03-18 | 2009-12-18 | 粉体の分級方法 |
PCT/JP2009/071140 WO2010106716A1 (ja) | 2009-03-18 | 2009-12-18 | 粉体の分級方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2010106716A1 true JPWO2010106716A1 (ja) | 2012-09-20 |
JP5323174B2 JP5323174B2 (ja) | 2013-10-23 |
Family
ID=42739382
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Application Number | Title | Priority Date | Filing Date |
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JP2011504716A Active JP5323174B2 (ja) | 2009-03-18 | 2009-12-18 | 粉体の分級方法 |
Country Status (5)
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JP (1) | JP5323174B2 (ja) |
KR (1) | KR101609408B1 (ja) |
CN (1) | CN102325604B (ja) |
TW (1) | TWI471179B (ja) |
WO (1) | WO2010106716A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101838769B1 (ko) | 2011-02-28 | 2018-03-14 | 닛신 엔지니어링 가부시키가이샤 | 분체의 분쇄 방법 |
JP2015073938A (ja) * | 2013-10-08 | 2015-04-20 | 株式会社日清製粉グループ本社 | 旋回渦流式分級機および分級方法 |
CN103691931B (zh) * | 2013-12-16 | 2015-12-02 | 宁波广博纳米新材料股份有限公司 | 水分级处理金属镍粉的抗氧化方法 |
JP6564792B2 (ja) * | 2015-01-16 | 2019-08-21 | 株式会社日清製粉グループ本社 | 粉体分級装置 |
KR102484800B1 (ko) * | 2018-03-29 | 2023-01-05 | 도호 티타늄 가부시키가이샤 | 금속 분체의 제조 방법 |
KR20230008044A (ko) | 2020-04-14 | 2023-01-13 | 소에이 가가쿠 고교 가부시키가이샤 | 무기 미분말 제조방법 |
JP2023015994A (ja) | 2021-07-20 | 2023-02-01 | 昭栄化学工業株式会社 | 金属微粉末の製造方法及び金属粉末 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61222562A (ja) * | 1985-03-28 | 1986-10-03 | Tamura Seisakusho Co Ltd | 遠心力集塵機 |
JPS6485149A (en) * | 1987-09-25 | 1989-03-30 | Nippon Kokan Kk | Classifying method |
JPH01180285A (ja) * | 1988-01-11 | 1989-07-18 | Nkk Corp | 分級方法 |
JPH06126252A (ja) * | 1992-10-16 | 1994-05-10 | Ube Ind Ltd | フライアッシュの品質改善方法 |
TWI285562B (en) * | 2003-10-10 | 2007-08-21 | Tama Tlo Corp | Cyclone type centrifugal separating apparatus |
TWI262815B (en) * | 2003-10-10 | 2006-10-01 | Tama Tlo Corp | Fine particles separation treatment system and cyclone-type centrifugal separation device |
JP4785802B2 (ja) * | 2007-07-31 | 2011-10-05 | 株式会社日清製粉グループ本社 | 粉体分級装置 |
-
2009
- 2009-12-18 KR KR1020117019225A patent/KR101609408B1/ko active IP Right Grant
- 2009-12-18 WO PCT/JP2009/071140 patent/WO2010106716A1/ja active Application Filing
- 2009-12-18 CN CN2009801571534A patent/CN102325604B/zh active Active
- 2009-12-18 JP JP2011504716A patent/JP5323174B2/ja active Active
-
2010
- 2010-01-20 TW TW99101517A patent/TWI471179B/zh active
Also Published As
Publication number | Publication date |
---|---|
JP5323174B2 (ja) | 2013-10-23 |
CN102325604B (zh) | 2013-12-25 |
TWI471179B (zh) | 2015-02-01 |
KR101609408B1 (ko) | 2016-04-05 |
WO2010106716A1 (ja) | 2010-09-23 |
CN102325604A (zh) | 2012-01-18 |
TW201036714A (en) | 2010-10-16 |
KR20110135856A (ko) | 2011-12-19 |
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