KR900006022A - 불활성 자생마멸 분쇄방법 - Google Patents

불활성 자생마멸 분쇄방법 Download PDF

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Publication number
KR900006022A
KR900006022A KR1019890014208A KR890014208A KR900006022A KR 900006022 A KR900006022 A KR 900006022A KR 1019890014208 A KR1019890014208 A KR 1019890014208A KR 890014208 A KR890014208 A KR 890014208A KR 900006022 A KR900006022 A KR 900006022A
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South Korea
Prior art keywords
powder
less
particle size
average particle
oxygen
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KR1019890014208A
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English (en)
Inventor
디.지.벡커 볼프강
엠. 코로제콰 타데우츠
엠. 코펠 레비스
Original Assignee
원본미기재
더 카보런덤 컴패니
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Publication of KR900006022A publication Critical patent/KR900006022A/ko

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/14—Mills in which the charge to be ground is turned over by movements of the container other than by rotating, e.g. by swinging, vibrating, tilting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B02C17/20—Disintegrating members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
    • C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Crushing And Grinding (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Ceramic Products (AREA)
  • Disintegrating Or Milling (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

내용 없음

Description

불활성 자생마멸 분쇄방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 마멸분쇄기의 제1구현예의 수직 단면도.
제2도는 본 발명에 의해 불활성 분쇄에 사용하기 위한 마멸분쇄기의 바람직한 구현예의 수직 단면도.

Claims (19)

  1. 산소민감성 세라믹재료의 분쇄방법에 있어서, 분쇄된 재료와 적어도 5㎡/g의 특정표면적을 얻기에 충분한 시간동안, 매개물 존재내의 비산화성 유체내에서 불순물이 없는 고에너지 자생마멸 분쇄기에서 1 내지 200미크론의 평균입자크기를 갖는 산소민감성 세라믹 공급재료를 분쇄하는 것을 포함하고, 상기 매개물은 공급재료와 근본적으로 동일한 세라믹으로 이루어지고 그 평균입자크기는 4㎜이하임을 특징으로 하는 산소민감성 세라믹 재료를 분말로 분쇄하기 위한 방법.
  2. 제 1 항에 있어서, 세라믹이 AIN, TiB2, Si3N4및 시알론으로 이루어지는 그룹에서 선택됨을 특징으로 하는 방법.
  3. 제 2 항에 있어서, 유체가 탄화수소액체임을 특징으로 하는 방법.
  4. 제 2 항에 있어서,유체가 지방족 액체와 불활성 가스, 수소 및 질소로부터 선택된 가스와의 혼합물임을 특징으로 하는 방법.
  5. 제 2 항에 있어서, 유체가 액화전온성가스임을 특징으로 하는 방법.
  6. 제 5 항에 있어서, 가스가 수소, 헬륨, 질소, 아르곤 및 네온으로 구성되는 그룹에서 선택한 저온성 가스임을 특징으로 하는 방법.
  7. 제 5 항에 있어서, 저온성가스가 염화수소임을 특징으로 하는 방법.
  8. 제 1 항에 있어서, 분쇄된 재료를 평균입자크기가 1미크론 이하인 분말이 되도록 후처리하여 최종분말 입자의 97%이상이 5미크론 이하가 되게함을 특징으로 하는 방법.
  9. 제 8 항에 있어서, 분쇄된 재료를 진동분쇄에 의해 후처리하여 재료의 큰 입자를 더욱 분쇄함을 특징으로 하는 방법.
  10. 제 8 항에 있어서, 분쇄된 재료를 액체로부터 침강법에 의한 후처리를 하여 큰 입자를 제거함을 특징으로 하는 방법.
  11. 제 8 항에 있어서, 최종분말의 평균입자크기가 0.5 내지 0.9미크론임을 특징으로 하는 방법.
  12. 제 1 항에 있어서, 분쇄기의 내부표면과 분쇄기내의 교반기가 폴리우레탄, 천연고무 및 합성고무로부터 선택한 내마모성 재료로 피복됨을 특징으로 하는 방법.
  13. 제 1 항에 있어서, 액체는 헵탄이고, 슬러리는 약 30 내지 70중량%의 고체를 함유하고 있음을 특징으로 하는 방법.
  14. 제 1 항에 있어서, 분쇄작업은 2내지 10시간동안 행해짐을 특징으로 하는 방법,
  15. 제 1 항에 있어서, 공급재료가 800ppm 이하의 금속불순물을 함유하고 있음을 특징으로 하는 방법.
  16. 제 1 항에 의해 제조된 최종분말.
  17. 산소 민감성 세라믹분말로서, 평균입자크기는 1미크론 이하이고, 입자의 9%이상이 5미크론 이하이며, 표면적인 9㎡/g 이상이고 상기 분말은 표면산소가 낮고 소결할 수 있음을 특징으로 하는 산소민감성 세라믹 분말
  18. 제 9 항에 있어서, 최종분말이 800ppm 이하의 금속분순물을 함유하고 있음을 특징으로 하는 분말.
  19. 제 17 항에 있어서, 분말이 6중량% 이하의 산소를 함유하고 있음을 특징으로 하는 분말.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890014208A 1988-10-03 1989-10-04 불활성 자생마멸 분쇄방법 KR900006022A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US252,751 1988-10-03
US07/252,751 US4932166A (en) 1986-05-30 1988-10-03 Inert autogenous attrition grinding

Publications (1)

Publication Number Publication Date
KR900006022A true KR900006022A (ko) 1990-05-07

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Family Applications (1)

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KR1019890014208A KR900006022A (ko) 1988-10-03 1989-10-04 불활성 자생마멸 분쇄방법

Country Status (8)

Country Link
US (1) US4932166A (ko)
EP (1) EP0367403A3 (ko)
JP (1) JPH02198646A (ko)
KR (1) KR900006022A (ko)
CN (1) CN1044236A (ko)
AU (1) AU4149689A (ko)
BR (1) BR8904834A (ko)
NO (1) NO893912L (ko)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5049166A (en) * 1990-02-27 1991-09-17 Washington Mills Ceramics Corporation Light weight abrasive tumbling media and method of making same
DE4220014A1 (de) * 1992-06-19 1993-12-23 Messer Griesheim Gmbh Verfahren zur Feinmahlung in Apparaten mit Mahlkörpern
US5984213A (en) * 1994-04-11 1999-11-16 Mount Isa Mines Limited Attrition mill
EP0751830B1 (en) * 1994-04-11 2002-02-06 Mount Isa Mines Limited Attrition mill
DE4432153A1 (de) * 1994-09-09 1996-03-14 Evv Vermoegensverwaltungs Gmbh Verfahren und Vorrichtung zum kontinuierlichen autogenen Mahlen eines fließfähigen Behandlungsguts
DE19528958A1 (de) * 1995-08-08 1997-02-13 Hoechst Ag Autogenes Mahlen von Siliziumnitrid
US5668068A (en) * 1995-10-02 1997-09-16 General Electric Company Sintered silicon carbide and method of making
US6010085A (en) * 1999-03-17 2000-01-04 Kerr Corporation Agitator mill and method of use for low contamination grinding
JP4928682B2 (ja) * 2001-06-19 2012-05-09 岩谷瓦斯株式会社 微粉末の製造方法
CA2450907C (en) * 2001-06-29 2011-08-23 Eurand Pharmaceuticals Limited Process for activation of drugs in a vibrational mill
US6638491B2 (en) * 2001-09-21 2003-10-28 Neptec Optical Solutions, Inc. Method of producing silicon metal particulates of reduced average particle size
US20050019241A1 (en) * 2003-07-23 2005-01-27 Lyons Robert Joseph Preparation of rare earth ceramic garnet
CN102284328B (zh) * 2011-07-19 2014-07-02 无锡新光粉体加工工艺有限公司 循环型高速多叶轮超细粉体研磨机
DE102013111762A1 (de) * 2013-07-08 2015-01-08 Netzsch-Feinmahltechnik Gmbh Rührwerkskugelmühle mit Axialkanälen
EP3307440A1 (de) * 2015-06-15 2018-04-18 NETZSCH Trockenmahltechnik GmbH Verfahren zum zerkleinern von mahlgut und mühle dafür
TWI598150B (zh) * 2016-09-30 2017-09-11 財團法人工業技術研究院 硏磨機及微旋迴轉裝置
FR3072308B1 (fr) * 2017-10-12 2019-11-15 Commissariat A L'energie Atomique Et Aux Energies Alternatives Dispositif et procede de broyage cryogenique avec media de broyage sous forme de gaz cryogenique solidifie
EP3556467A1 (en) * 2018-04-16 2019-10-23 Omya International AG Hybrid disc
JP7325979B2 (ja) * 2019-03-18 2023-08-15 太平洋セメント株式会社 窒化物の粉砕方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1054311B (de) * 1957-06-04 1959-04-02 Gabor Janos Lelkes Schwingmuehle zum Feinstmahlen von Pulvern
US3075710A (en) * 1960-07-18 1963-01-29 Ignatz L Feld Process for wet grinding solids to extreme fineness
US3231203A (en) * 1962-01-29 1966-01-25 Koppers Co Inc Grinding mill and process
US3268177A (en) * 1963-08-27 1966-08-23 Southwestern Eng Co Vibro-energy mill
DE1482391B1 (de) * 1964-06-20 1970-08-20 Draiswerke Gmbh Ruehrwerksmuehle
US3521825A (en) * 1967-02-13 1970-07-28 Westinghouse Electric Corp Milling process
US3485608A (en) * 1968-01-02 1969-12-23 Texas Instruments Inc Slurry for polishing silicon slices
DE2061837A1 (de) * 1970-12-16 1972-06-22 Air Products GmbH, 4000 Düsseldorf; Klöckner-Humboldt-Deutz AG, 5000 Köln Verfahren zur Durchführung von Niedrigtemperatur-Mahlprozessen in einer Schwingmühle
US3715083A (en) * 1970-12-17 1973-02-06 Bethlehem Steel Corp Method for controlling the grind in a single stage autogenous grinding mill
GB1431620A (en) * 1973-08-11 1976-04-14 Draiswerke Gmbh Grinding mill
DE2629251A1 (de) * 1976-06-30 1978-01-12 Draiswerke Gmbh Ruehrwerksmuehle
US4123286A (en) * 1976-12-27 1978-10-31 The Carborundum Company Silicon carbide powder compositions
GB2044126B (en) * 1979-03-15 1983-04-20 Air Prod & Chem Method and apparatus for cryogenic grinding
US4242842A (en) * 1979-08-08 1981-01-06 La Pierre Synthetique Baikowski, S.A. Precision polishing suspension and method for making same
US4275026A (en) * 1979-11-02 1981-06-23 Ppg Industries, Inc. Method for preparing titanium diboride shapes
US4575384A (en) * 1984-05-31 1986-03-11 Norton Company Grinding wheel for grinding titanium
US4544376A (en) * 1984-11-29 1985-10-01 The United States Of America As Represented By The United States Department Of Energy Abrasive slurry composition for machining boron carbide
US4775393A (en) * 1985-04-11 1988-10-04 The Standard Oil Company Autogenous attrition grinding
US4695294A (en) * 1985-04-11 1987-09-22 Stemcor Corporation Vibratory grinding of silicon carbide
JPS6365960A (ja) * 1986-09-08 1988-03-24 株式会社東芝 セラミツクス材料の製造方法

Also Published As

Publication number Publication date
NO893912L (no) 1990-04-04
EP0367403A3 (en) 1991-06-05
BR8904834A (pt) 1990-05-01
US4932166A (en) 1990-06-12
JPH02198646A (ja) 1990-08-07
AU4149689A (en) 1990-04-05
NO893912D0 (no) 1989-10-02
EP0367403A2 (en) 1990-05-09
CN1044236A (zh) 1990-08-01

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