FI890271A - drum Screen - Google Patents
drum Screen Download PDFInfo
- 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
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>
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)
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)
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 |
-
1988
- 1988-01-19 DE DE3801383A patent/DE3801383A1/en active Granted
- 1988-12-29 DK DK728288A patent/DK728288A/en not_active Application Discontinuation
-
1989
- 1989-01-18 YU YU00110/89A patent/YU11089A/en unknown
- 1989-01-18 NO NO89890225A patent/NO890225L/en unknown
- 1989-01-18 FI FI890271A patent/FI91368C/en not_active IP Right Cessation
- 1989-01-19 EP EP89100889A patent/EP0325253B1/en not_active Expired - Lifetime
- 1989-01-19 DE DE8989100889T patent/DE58901781D1/en not_active Expired - Fee Related
- 1989-01-19 JP JP1010969A patent/JPH07106337B2/en not_active Expired - Lifetime
- 1989-01-19 AT AT89100889T patent/ATE77977T1/en active
Also Published As
Publication number | Publication date |
---|---|
EP0325253A3 (en) | 1990-07-04 |
DE3801383A1 (en) | 1989-07-27 |
YU11089A (en) | 1991-04-30 |
NO890225L (en) | 1989-07-20 |
JPH07106337B2 (en) | 1995-11-15 |
FI890271A0 (en) | 1989-01-18 |
ATE77977T1 (en) | 1992-07-15 |
JPH01288379A (en) | 1989-11-20 |
NO890225D0 (en) | 1989-01-18 |
DK728288A (en) | 1989-07-20 |
DE3801383C2 (en) | 1991-03-21 |
DE58901781D1 (en) | 1992-08-13 |
EP0325253A2 (en) | 1989-07-26 |
DK728288D0 (en) | 1988-12-29 |
EP0325253B1 (en) | 1992-07-08 |
FI91368B (en) | 1994-03-15 |
FI91368C (en) | 1994-06-27 |
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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 |