EP0352642A3 - Method for dispersing, comminuting or de-agglomerating and screening solids - Google Patents

Method for dispersing, comminuting or de-agglomerating and screening solids Download PDF

Info

Publication number
EP0352642A3
EP0352642A3 EP19890113382 EP89113382A EP0352642A3 EP 0352642 A3 EP0352642 A3 EP 0352642A3 EP 19890113382 EP19890113382 EP 19890113382 EP 89113382 A EP89113382 A EP 89113382A EP 0352642 A3 EP0352642 A3 EP 0352642A3
Authority
EP
European Patent Office
Prior art keywords
comminuting
agglomerating
dispersing
solids
screening
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.)
Withdrawn
Application number
EP19890113382
Other languages
German (de)
French (fr)
Other versions
EP0352642A2 (en
Inventor
Helmut Dr. Hoch
Reinhard Dr. Polke
Norbert Scholz
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.)
BASF SE
Original Assignee
BASF SE
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
Application filed by BASF SE filed Critical BASF SE
Publication of EP0352642A2 publication Critical patent/EP0352642A2/en
Publication of EP0352642A3 publication Critical patent/EP0352642A3/en
Withdrawn legal-status Critical Current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
    • B02C19/00—Other disintegrating devices or methods
    • B02C19/06—Jet mills
    • 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
    • B02C23/24—Passing gas through crushing or disintegrating zone
    • B02C23/30—Passing gas through crushing or disintegrating zone the applied gas acting to effect material separation

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Disintegrating Or Milling (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

Verfahren zur Dispergierung, Zerkleinerung bzw. Desagglomeration und Sichtung von Feststoffen, wobei zur Durchführung der Verfahrensmaßnahmen eine Apparateeinheit (Sichterstrahlmühle) verwendet wird, bei der eine Strahlmühle und ein Spiralstromsichter kombiniert werden. Process for dispersion, comminution or deagglomeration and Screening of solids, taking to carry out the procedural measures an apparatus unit (classifier mill) is used, in which one Jet mill and a spiral flow classifier can be combined.

EP19890113382 1988-07-27 1989-07-21 Method for dispersing, comminuting or de-agglomerating and screening solids Withdrawn EP0352642A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3825469 1988-07-27
DE3825469A DE3825469A1 (en) 1988-07-27 1988-07-27 METHOD FOR DISPERSION, CRUSHING OR DESAGGLOMERATION AND SIGHTING OF SOLIDS

Publications (2)

Publication Number Publication Date
EP0352642A2 EP0352642A2 (en) 1990-01-31
EP0352642A3 true EP0352642A3 (en) 1991-01-16

Family

ID=6359643

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890113382 Withdrawn EP0352642A3 (en) 1988-07-27 1989-07-21 Method for dispersing, comminuting or de-agglomerating and screening solids

Country Status (4)

Country Link
US (1) US4979684A (en)
EP (1) EP0352642A3 (en)
JP (1) JPH0275357A (en)
DE (1) DE3825469A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4431534B4 (en) * 1994-02-10 2006-12-28 Nied, Roland, Dr. Ing. Machine for acting on comminuted and classifiable raw material, as well as method for operating the machine
DE19718668C2 (en) * 1997-05-02 2003-04-03 Hosokawa Alpine Ag & Co Process for separating and continuously removing difficult-to-disperse components
US6395247B1 (en) * 1997-12-12 2002-05-28 Degussa Ag Precipitated silica
US20040121003A1 (en) * 2002-12-19 2004-06-24 Acusphere, Inc. Methods for making pharmaceutical formulations comprising deagglomerated microparticles
US7445806B2 (en) * 2004-09-02 2008-11-04 Kraft Foods Global Brands Llc Process for selective grinding and recovery of dual-density foods
DE102005023950B4 (en) * 2005-05-20 2007-08-02 Omya Gmbh Plant for the production of disperse mineral products
DE102006001937A1 (en) * 2006-01-14 2007-09-27 Lehigh Technologies, LLC, Naples Separating minerals
DE102006017472A1 (en) 2006-04-13 2007-10-18 Nied, Roland, Dr. Ing. Method for producing finest particles by means of a jet mill
DE102006023193A1 (en) 2006-05-17 2007-11-22 Nied, Roland, Dr.-Ing. Method for producing finest particles by means of a jet mill
US8067051B2 (en) * 2006-06-19 2011-11-29 Kraft Foods R & D, Inc. Process for milling cocoa shells
CN114733601B (en) * 2022-03-25 2023-03-03 河南省中医药研究院 Traditional Chinese medicine nursing and crushing device and method for hypertension treatment

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE965104C (en) * 1955-03-03 1957-05-29 Alpine Ag Maschinenfabrik Und Jet mill with flat round grinding chamber

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3462086A (en) * 1966-07-01 1969-08-19 Du Pont Fluid energy milling process
US3726484A (en) * 1971-10-15 1973-04-10 Du Pont Stepped fluid energy mill
US3951347A (en) * 1972-09-21 1976-04-20 Polysius Ag Apparatus for crushing material containing particles that are hard to pulverize
US4019688A (en) * 1975-06-02 1977-04-26 Viktor Ivanovich Akunov Device for treating loose materials
DE3338138C2 (en) * 1983-10-20 1986-01-16 Alpine Ag, 8900 Augsburg Fluidized bed opposed jet mill

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE965104C (en) * 1955-03-03 1957-05-29 Alpine Ag Maschinenfabrik Und Jet mill with flat round grinding chamber

Also Published As

Publication number Publication date
DE3825469A1 (en) 1990-02-01
US4979684A (en) 1990-12-25
EP0352642A2 (en) 1990-01-31
JPH0275357A (en) 1990-03-15

Similar Documents

Publication Publication Date Title
EP0352642A3 (en) Method for dispersing, comminuting or de-agglomerating and screening solids
PH11523A (en) Method and apparatus for selectively comminuting particles of frangible material
DE68927822D1 (en) Surface-modified, spherical fine particles based on polymethylsilsesquioxanes and processes for their production
EP0483116A3 (en) Method of classifying leukocytes by flow cytometry and reagents used in the method
DE3855412D1 (en) Extraction of particulate matter
AU6787087A (en) Method and apparatus for high performance conical crushing
WO1999031141A3 (en) Method for producing regular porous cellulose pearls, corresponding cellulose pearls and use thereof
JPS57187322A (en) Production of particulate product
GB2151156B (en) Apparatus for grinding milling crushing scrubbing, sizing and/or classifying material
DE69103662D1 (en) Device for crushing mineral products.
DE3767832D1 (en) INTERMEDIATE TREATMENT.
AU6057894A (en) Apparatus for the treatment of solid, liquid and/or gaseous material
ATE180708T1 (en) METHOD AND SYSTEM FOR UPGRADING HETERGENEOUS MIXTURES OF SUBSTANCES RESULTING FROM GRINDING PROCESSES
NZ220959A (en) Process for the production of emulsion explosive in solid cartridge form, and apparatus
ATE107543T1 (en) METHOD AND DEVICE FOR CONTINUOUS FINE SHREDDING AND DISPERSING OF SOLIDS IN LIQUID.
Nichols The use of fracture mechanics as an engineering tool
TR199700665T1 (en) Clavulanic acid extraction process.
GB1377186A (en) Processing of particulate solid materials
DE3577664D1 (en) METHOD FOR SEPARATING SOLID MATERIALS BY SIMULTANEOUS GRINDING AND AGGLOMERATION.
DE3265548D1 (en) A method of finely crushing particles of material in a centrifugal mill and apparatus for performing the method
Chen et al. The method and principle for separation of rhodium and iridium
EP0520931A3 (en) Improvements in the separators of grinding bodies in mills for comminuting and crushing and deagglomerating solids, predispersed in liquids
GB2187278B (en) Method and apparatus for monitoring deflocculated particles in suspension
Van Kaam Formation counseling.
HENNICKE et al. FINE GRINDING OF CERAMIC RAW MATERIALS WITH AN ANNULAR GAP BALL MILL.

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE FR GB IT LI NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE FR GB IT LI NL SE

17P Request for examination filed

Effective date: 19901213

17Q First examination report despatched

Effective date: 19920224

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19920707