ATE109690T1 - WINDSIFTER. - Google Patents

WINDSIFTER.

Info

Publication number
ATE109690T1
ATE109690T1 AT89121065T AT89121065T ATE109690T1 AT E109690 T1 ATE109690 T1 AT E109690T1 AT 89121065 T AT89121065 T AT 89121065T AT 89121065 T AT89121065 T AT 89121065T AT E109690 T1 ATE109690 T1 AT E109690T1
Authority
AT
Austria
Prior art keywords
cover plate
outlet pipe
sifting
downstream
side cover
Prior art date
Application number
AT89121065T
Other languages
German (de)
Inventor
Roland Dr-Ing Nied
Original Assignee
Nied Roland
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
Priority claimed from DE3838871A external-priority patent/DE3838871C2/en
Application filed by Nied Roland filed Critical Nied Roland
Application granted granted Critical
Publication of ATE109690T1 publication Critical patent/ATE109690T1/en

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
    • 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
    • B07B7/083—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by rotating vanes, discs, drums, or brushes

Landscapes

  • Combined Means For Separation Of Solids (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

The invention relates to a wind sifter having a rotary sifting wheel (1 to 3) towards which the sifting air laden with fine material flows, radially from outside inwards counter to centrifugal force, and away from which this sifting air flows axially through an outlet pipe (5, 6, 18), and which has a downstream-side cover plate (1), a second cover plate (2) arranged axially offset with respect to it and blades (3) arranged in between at the periphery. It is an object of the invention that the outlet pipe (5, 6, 18) having an immersion tube portion (5, 6) is led into the downstream-side cover plate (1) and is connected to the latter in such a way as to be fixed in terms of rotation. In this arrangement, the outlet pipe (5, 6, 18) preferably has a portion (5) in which the cross-section of the immersion tube widens constantly. With a corresponding design of the second coverplate (2), the sifting wheel can simultaneously serve for comminuting material.
AT89121065T 1988-11-17 1989-11-14 WINDSIFTER. ATE109690T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3838871A DE3838871C2 (en) 1988-01-22 1988-11-17 Air classifier

Publications (1)

Publication Number Publication Date
ATE109690T1 true ATE109690T1 (en) 1994-08-15

Family

ID=6367328

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89121065T ATE109690T1 (en) 1988-11-17 1989-11-14 WINDSIFTER.

Country Status (3)

Country Link
EP (1) EP0369399B1 (en)
AT (1) ATE109690T1 (en)
ES (1) ES2057066T3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5252110A (en) * 1990-08-01 1993-10-12 Roland Nied Preferably vertical air separator
US5899396A (en) * 1995-09-04 1999-05-04 Nied; Roland Air separator and single-rotor air separator mill with such an air separator
US6776291B1 (en) † 2000-09-27 2004-08-17 Xerox Corporation Article and apparatus for particulate size separation
DE102018132155B3 (en) * 2018-12-13 2019-12-12 Netzsch-Feinmahltechnik Gmbh FLOWERS WITH SPECIAL FAN WHEEL
CN114917375B (en) * 2022-06-14 2024-04-30 浙江湖州淳元智能科技有限公司 Purifying sterilizer for comprehensively sterilizing viruses

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3491879A (en) * 1967-04-18 1970-01-27 Donaldson Co Inc Centrifugal classifier
DE1757582C2 (en) * 1968-05-20 1976-03-11 The Georgia Marble Co., Atlanta, .Ga. (V.St.A.) Centrifugal basket wind sifter
DE3303078C1 (en) * 1983-01-29 1984-05-30 Alpine Ag, 8900 Augsburg Air classifier for the fine area
DE3508889C1 (en) * 1985-03-13 1992-02-20 Alpine Ag, 8900 Augsburg Air classifier with wear-free classifying wheel
DD248970A1 (en) * 1985-12-31 1987-08-26 Akad Wissenschaften Ddr centrifugal separator
DE3838871C2 (en) * 1988-01-22 1994-10-27 Nied Roland Air classifier

Also Published As

Publication number Publication date
EP0369399A3 (en) 1991-06-12
EP0369399B1 (en) 1994-08-10
EP0369399A2 (en) 1990-05-23
ES2057066T3 (en) 1994-10-16

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee