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DE50005686D1 - TAPER SIFTER AND METHOD FOR SIGHTING RESTRICTED OR NON-GRAVABLE BULK - Google Patents

TAPER SIFTER AND METHOD FOR SIGHTING RESTRICTED OR NON-GRAVABLE BULK

Info

Publication number
DE50005686D1
DE50005686D1 DE50005686T DE50005686T DE50005686D1 DE 50005686 D1 DE50005686 D1 DE 50005686D1 DE 50005686 T DE50005686 T DE 50005686T DE 50005686 T DE50005686 T DE 50005686T DE 50005686 D1 DE50005686 D1 DE 50005686D1
Authority
DE
Germany
Prior art keywords
sifter
cone
material fraction
bulk
gravable
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
DE50005686T
Other languages
German (de)
Inventor
Klaus Straetmans
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.)
BUECKMANN GmbH
Original Assignee
BUECKMANN GmbH
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 BUECKMANN GmbH filed Critical BUECKMANN GmbH
Priority to DE50005686T priority Critical patent/DE50005686D1/en
Application granted granted Critical
Publication of DE50005686D1 publication Critical patent/DE50005686D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
    • B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall

Landscapes

  • Combined Means For Separation Of Solids (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Centrifugal Separators (AREA)
  • Feeding Of Articles To Conveyors (AREA)
  • Supply Of Fluid Materials To The Packaging Location (AREA)

Abstract

The invention relates to a conical sifter for sifting bulk material, which cannot be poured easily or at all and which comprises a lightweight material fraction and a heavy material fraction, and to a method for carrying out the sifting. The aim of the invention is to prevent blockages inside the inlet tube and deposits on the surfaces of the cone. To these ends, at least one filling air inlet (28) is connected to the filling tube (4) for admitting a downwardly directed flow of air inside at least one part of the filling tube (4). In addition, the invention provides that at least one displacing cone air inlet (46) is connected to the interior (44) of the displacing cone (40) and that an annular gap (48) is provided between the cylindrical spout (42) and the double cone (6). The invention also relates to a method for sifting bulk material, which cannot be poured easily or at all and which comprises a lightweight material fraction and a heavy material fraction, during which the aforementioned conical sifter is used.
DE50005686T 1999-12-02 2000-11-18 TAPER SIFTER AND METHOD FOR SIGHTING RESTRICTED OR NON-GRAVABLE BULK Expired - Fee Related DE50005686D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50005686T DE50005686D1 (en) 1999-12-02 2000-11-18 TAPER SIFTER AND METHOD FOR SIGHTING RESTRICTED OR NON-GRAVABLE BULK

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19957993A DE19957993B4 (en) 1999-12-02 1999-12-02 Cone sifter and method for sifting restricted or non-pourable bulk material and support strut
DE50005686T DE50005686D1 (en) 1999-12-02 2000-11-18 TAPER SIFTER AND METHOD FOR SIGHTING RESTRICTED OR NON-GRAVABLE BULK
PCT/EP2000/011496 WO2001039899A1 (en) 1999-12-02 2000-11-18 Conical sifter and method for sifting bulk material which cannot be poured easily or at all

Publications (1)

Publication Number Publication Date
DE50005686D1 true DE50005686D1 (en) 2004-04-22

Family

ID=7931108

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19957993A Expired - Fee Related DE19957993B4 (en) 1999-12-02 1999-12-02 Cone sifter and method for sifting restricted or non-pourable bulk material and support strut
DE50005686T Expired - Fee Related DE50005686D1 (en) 1999-12-02 2000-11-18 TAPER SIFTER AND METHOD FOR SIGHTING RESTRICTED OR NON-GRAVABLE BULK

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19957993A Expired - Fee Related DE19957993B4 (en) 1999-12-02 1999-12-02 Cone sifter and method for sifting restricted or non-pourable bulk material and support strut

Country Status (9)

Country Link
EP (1) EP1156892B1 (en)
JP (1) JP2003515447A (en)
AT (1) ATE261783T1 (en)
AU (1) AU5437401A (en)
DE (2) DE19957993B4 (en)
DK (1) DK1156892T3 (en)
ES (1) ES2221871T3 (en)
TW (1) TW473402B (en)
WO (1) WO2001039899A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10010354C2 (en) * 2000-03-07 2003-02-06 Bueckmann Gmbh Tech Gewebe Und Method and device for controlling the whiteness of a bulk material from shredded paper fractions
DE10251210A1 (en) 2002-10-31 2004-05-19 Focke Gmbh & Co. Kg Device for preparing tobacco in the manufacture of cigarettes
DE10252782B4 (en) * 2002-11-08 2011-02-24 SLF Oberflächentechnik GmbH Plant for the recovery of jet particles
DE10352119A1 (en) * 2003-11-04 2005-06-09 Focke & Co.(Gmbh & Co. Kg) Method and device for sifting tobacco
US8167138B2 (en) 2005-01-13 2012-05-01 Panasonic Corporation Dry washing device
US8312994B2 (en) * 2009-03-18 2012-11-20 Pelletron Corporation Cylindrical dedusting apparatus for particulate material
JP6778009B2 (en) * 2016-04-01 2020-10-28 株式会社アコー Powder separator
CN116078670B (en) * 2023-02-06 2025-03-18 壮春林 Air suspension screen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE560279A (en) *
US1522151A (en) * 1923-06-15 1925-01-06 Albert H Stebbins Pneumatic classifier
DE933928C (en) * 1952-07-25 1955-10-06 Ruhrchemie Ag Device for dedusting and classifying granular materials, especially mineral fertilizers
DE1194233B (en) * 1956-08-25 1965-06-03 Polysius Gmbh Device for sifting goods of different grain sizes or weights
US3904515A (en) * 1974-05-01 1975-09-09 New Life Foundation High yield refuse separation system
DD203237A1 (en) * 1982-02-08 1983-10-19 Dietmar Kummer DEVICE AND METHOD FOR PURIFYING DEBITORS, IN PARTICULAR GRANULES OF SYNTHETIC HIGH POLYMERS
DD234807A1 (en) * 1985-03-04 1986-04-16 Schwarza Chemiefaser DEVICE FOR DUSTING PURCHASES, IN PARTICULAR GRANULES OF SYNTHETIC HIGH POLYMERS
ES2128377T3 (en) * 1992-10-20 1999-05-16 Waeschle Maschf Gmbh DEVICE TO CLEAN A MIX OF GRAINS THAT IS ESSENTIALLY IN THE FORM OF GRANULES AND PROCEDURE TO CLEAN SUCH MIX OF GRAINS.
DE29709918U1 (en) * 1997-06-07 1998-10-08 Bückmann GmbH, 41238 Mönchengladbach Device for separating fine and light goods from dry, free-flowing bulk goods

Also Published As

Publication number Publication date
EP1156892A1 (en) 2001-11-28
DK1156892T3 (en) 2004-07-19
JP2003515447A (en) 2003-05-07
TW473402B (en) 2002-01-21
AU5437401A (en) 2001-06-12
DE19957993B4 (en) 2004-07-22
ES2221871T3 (en) 2005-01-16
DE19957993A1 (en) 2001-06-13
EP1156892B1 (en) 2004-03-17
WO2001039899A1 (en) 2001-06-07
ATE261783T1 (en) 2004-04-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee