CA1328862C - Method and apparatus for fine grinding - Google Patents

Method and apparatus for fine grinding

Info

Publication number
CA1328862C
CA1328862C CA000583552A CA583552A CA1328862C CA 1328862 C CA1328862 C CA 1328862C CA 000583552 A CA000583552 A CA 000583552A CA 583552 A CA583552 A CA 583552A CA 1328862 C CA1328862 C CA 1328862C
Authority
CA
Canada
Prior art keywords
mill
cryogen
grinding
ground
fluid
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.)
Expired - Fee Related
Application number
CA000583552A
Other languages
English (en)
French (fr)
Inventor
Andrew Paul Ondush
Richard Donald Ritter
Arthur H. Anderson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Air Products and Chemicals Inc
Original Assignee
Air Products and Chemicals Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22420699&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA1328862(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Air Products and Chemicals Inc filed Critical Air Products and Chemicals Inc
Application granted granted Critical
Publication of CA1328862C publication Critical patent/CA1328862C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00—Other disintegrating devices or methods
    • B02C19/18—Use of auxiliary physical effects, e.g. ultrasonics, irradiation, for disintegrating
    • B02C19/186—Use of cold or heat for disintegrating

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Disintegrating Or Milling (AREA)
CA000583552A 1987-11-25 1988-11-18 Method and apparatus for fine grinding Expired - Fee Related CA1328862C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12563887A 1987-11-25 1987-11-25
US125,638 1987-11-25

Publications (1)

Publication Number Publication Date
CA1328862C true CA1328862C (en) 1994-04-26

Family

ID=22420699

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000583552A Expired - Fee Related CA1328862C (en) 1987-11-25 1988-11-18 Method and apparatus for fine grinding

Country Status (8)

Country Link
EP (1) EP0317935B1 (pt)
JP (1) JPH01168361A (pt)
KR (1) KR910006231B1 (pt)
BR (1) BR8806087A (pt)
CA (1) CA1328862C (pt)
DE (1) DE3870587D1 (pt)
PT (1) PT89070A (pt)
ZA (1) ZA888809B (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5164132A (en) * 1991-04-05 1992-11-17 Air Products And Chemicals, Inc. Process for the production of ultra-fine polymeric fibers
CH688269A5 (fr) * 1992-08-21 1997-07-15 Debio Rech Pharma Sa Broyeur ultra-centrifuge et sa mise en oeuvre pour le broyage cryogénique de matériau thermosensible.
IT1271454B (it) * 1993-01-28 1997-05-28 Pro Co Gen Progettazioni E Cos Impianto di criotrasformazione e selezione di rifiuti solidi urbani.
DE19533078A1 (de) * 1995-09-07 1997-03-13 Messer Griesheim Gmbh Verfahren und Vorrichtung zum Mahlen und Sichten von Mahlgut
ES2188329B1 (es) * 2000-09-15 2004-12-01 Consejo Superior De Investigaciones Cientificas Procedimiento de preparacion mediante molido criogenico de mezclas de poliesteres aromaticos con control del grado de transesterificacion.
US20080220146A1 (en) * 2007-03-06 2008-09-11 Deboer Rene Frans Method and apparatus for producing cocoa products
KR100842300B1 (ko) * 2007-05-21 2008-06-30 한국기계연구원 미디어 밀 장치의 파우더 분급 및 분리장치
CN103272674B (zh) * 2013-05-22 2015-12-02 张家港市华丰油脂有限公司 一种用于从棉粕中提取棉蛋白的气流涡旋微粉机
CN110026283B (zh) * 2019-04-09 2020-08-11 凤台县农盼水稻机插服务专业合作社 一种农作物秸秆低温粉碎装置及其操作方法
EP3764030A1 (en) * 2019-07-11 2021-01-13 Air Liquide Deutschland GmbH Method and device for cooling products
US12103202B2 (en) 2020-03-20 2024-10-01 International Fine Chemistry, LLC Process for grinding materials
US11872593B1 (en) * 2023-04-21 2024-01-16 AGT-USA, Inc. Cryogenic processing system for plant material
US11766678B1 (en) 2023-04-21 2023-09-26 AGT-USA, Inc. Cryogenic processing system for plant material

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3771729A (en) * 1971-06-17 1973-11-13 Air Prod & Chem Cryogenic comminution system
JPS5472563A (en) * 1977-11-21 1979-06-11 Nippon Oxygen Co Ltd Method of low temperature crushing
US4222527A (en) * 1979-02-22 1980-09-16 Union Carbide Corporation Cryopulverizing packed bed control system
DE2952363A1 (de) * 1979-12-24 1981-07-02 Linde Ag, 6200 Wiesbaden Verfahren und vorrichtung zum zerkleinern von stoffen bei tiefen temperaturen

Also Published As

Publication number Publication date
JPH01168361A (ja) 1989-07-03
EP0317935A3 (en) 1990-01-03
DE3870587D1 (de) 1992-06-04
BR8806087A (pt) 1989-08-08
KR890007796A (ko) 1989-07-05
ZA888809B (en) 1990-07-25
EP0317935B1 (en) 1992-04-29
PT89070A (pt) 1989-09-14
KR910006231B1 (ko) 1991-08-17
EP0317935A2 (en) 1989-05-31

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Legal Events

Date Code Title Description
MKLA Lapsed
MKLA Lapsed

Effective date: 19990426