FI890271A - drum Screen - Google Patents

drum Screen Download PDF

Info

Publication number
FI890271A
FI890271A FI890271A FI890271A FI890271A FI 890271 A FI890271 A FI 890271A FI 890271 A FI890271 A FI 890271A FI 890271 A FI890271 A FI 890271A FI 890271 A FI890271 A FI 890271A
Authority
FI
Finland
Prior art keywords
drum
annular screen
annular
output device
screen sections
Prior art date
Application number
FI890271A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI91368C (en
FI91368B (en
FI890271A0 (en
Inventor
Gerhard Keuchel
Original Assignee
Linnhoff Maschinenbau
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 Linnhoff Maschinenbau filed Critical Linnhoff Maschinenbau
Publication of FI890271A0 publication Critical patent/FI890271A0/en
Publication of FI890271A publication Critical patent/FI890271A/en
Application granted granted Critical
Publication of FI91368B publication Critical patent/FI91368B/en
Publication of FI91368C publication Critical patent/FI91368C/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
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18—Drum screens
    • B07B1/22—Revolving drums
    • 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
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18—Drum screens
    • B07B1/185—Drum screens provided with exchangeable sieve panels

Landscapes

  • Combined Means For Separation Of Solids (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Valve Device For Special Equipments (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Road Paving Machines (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Auxiliary Devices For Music (AREA)
  • Centrifugal Separators (AREA)
  • Storage Of Fruits Or Vegetables (AREA)
  • Freezing, Cooling And Drying Of Foods (AREA)
  • Glass Compositions (AREA)

Abstract

The subject of the invention is a drum screen for conditioning and classifying granular material with an input device at the one end of the drum which rotates about its lying longitudinal axis and an output device for the conditioned material at the other drum end. The output device connects to an annular space which is formed between the drum and annular screen sections which are located one after the other in the longitudinal direction of the drum and concentrically surround the drum. The mesh width of the annular screen sections changes in such a way that the section with the smallest mesh width is the annular screen section nearest to the output device and the section with the largest mesh width is the annular screen section at the greatest distance from the output device, preferably located in the region of the input device. Between every two successive annular screen sections (7a, 7b), a channel-shaped profile (29), with the open side directed outwards, concentrically surrounds the drum (2) at a distance of the width of the annular space. The profile engages with a number of hook- shaped mounting elements (28), distributed over the circumference, over the respective profile flange of the annular screen sections ending at it, the annular screen sections being located with initially still extended hook parts (28b) essentially free of play between two channel profiles spaced in the longitudinal direction of the drum and being held after installation in the installation position with the hooks bent about the free flange ends during installation. <IMAGE>
FI890271A 1988-01-19 1989-01-18 Drum Screen FI91368C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3801383A DE3801383A1 (en) 1988-01-19 1988-01-19 SEVENTH DRUM
DE3801383 1988-01-19

Publications (4)

Publication Number Publication Date
FI890271A0 FI890271A0 (en) 1989-01-18
FI890271A true FI890271A (en) 1989-07-20
FI91368B FI91368B (en) 1994-03-15
FI91368C FI91368C (en) 1994-06-27

Family

ID=6345532

Family Applications (1)

Application Number Title Priority Date Filing Date
FI890271A FI91368C (en) 1988-01-19 1989-01-18 Drum Screen

Country Status (8)

Country Link
EP (1) EP0325253B1 (en)
JP (1) JPH07106337B2 (en)
AT (1) ATE77977T1 (en)
DE (2) DE3801383A1 (en)
DK (1) DK728288A (en)
FI (1) FI91368C (en)
NO (1) NO890225L (en)
YU (1) YU11089A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4121585C1 (en) * 1991-06-29 1992-08-06 Lintec Gmbh & Co Kg, 2114 Hollenstedt, De
DE4134194C1 (en) * 1991-10-16 1993-05-19 Bernhard Farwick Gmbh & Co Kg, 4740 Oelde, De Drum sifter with drum-shaped support - has fastening belt securing hooks at support, or segment retaining strips
AT2514U1 (en) * 1997-12-17 1998-12-28 Burgstaller Gmbh H SCREEN DRUM FOR DRUM SCREENING MACHINE
DE202007004462U1 (en) * 2007-03-19 2008-07-31 Gala Kunststoff- Und Kautschukmaschinen Gmbh centrifugal
CN106890786A (en) * 2017-04-18 2017-06-27 石台依然农产品有限公司 A kind of novel tea grader

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1379550A (en) * 1920-10-25 1921-05-24 Baker Perkins Mfg Corp Flour-sifter
US1948606A (en) * 1931-01-12 1934-02-27 Arthur J Weinig Separating apparatus
JPS53150971U (en) * 1977-05-06 1978-11-28
DE3135294A1 (en) * 1980-05-29 1983-03-24 Hannes-Jürgen 3000 Hannover Kapuschinski Screening device
JPS5786670U (en) * 1980-11-17 1982-05-28
DE3320682A1 (en) * 1983-06-08 1984-12-13 Linnhoff & Thesenfitz Maschinenbau GmbH, 2090 Winsen DEVICE FOR THE PREPARATION OF ROAD COVERINGS

Also Published As

Publication number Publication date
FI91368C (en) 1994-06-27
FI91368B (en) 1994-03-15
EP0325253B1 (en) 1992-07-08
ATE77977T1 (en) 1992-07-15
YU11089A (en) 1991-04-30
DE58901781D1 (en) 1992-08-13
NO890225L (en) 1989-07-20
EP0325253A3 (en) 1990-07-04
DE3801383A1 (en) 1989-07-27
DK728288D0 (en) 1988-12-29
JPH01288379A (en) 1989-11-20
JPH07106337B2 (en) 1995-11-15
EP0325253A2 (en) 1989-07-26
NO890225D0 (en) 1989-01-18
FI890271A0 (en) 1989-01-18
DK728288A (en) 1989-07-20
DE3801383C2 (en) 1991-03-21

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Legal Events

Date Code Title Description
BB Publication of examined application
MM Patent lapsed
MM Patent lapsed

Owner name: LT LINNHOFF MASCHINENBAU GMBH