EP1177838B1 - Tamis à tambour - Google Patents

Tamis à tambour Download PDF

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Publication number
EP1177838B1
EP1177838B1 EP01110332A EP01110332A EP1177838B1 EP 1177838 B1 EP1177838 B1 EP 1177838B1 EP 01110332 A EP01110332 A EP 01110332A EP 01110332 A EP01110332 A EP 01110332A EP 1177838 B1 EP1177838 B1 EP 1177838B1
Authority
EP
European Patent Office
Prior art keywords
drum
screening
holes
sieve
strips
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 - Lifetime
Application number
EP01110332A
Other languages
German (de)
English (en)
Other versions
EP1177838A2 (fr
EP1177838A3 (fr
Inventor
Rudolf Pretzler Dipl.-Ing.
Josef Heissenberger Ing.
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.)
Heissenberger and Pretzler GmbH
Original Assignee
Heissenberger and Pretzler 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 Heissenberger and Pretzler GmbH filed Critical Heissenberger and Pretzler GmbH
Publication of EP1177838A2 publication Critical patent/EP1177838A2/fr
Publication of EP1177838A3 publication Critical patent/EP1177838A3/fr
Application granted granted Critical
Publication of EP1177838B1 publication Critical patent/EP1177838B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • the sieve drums are together with their drive motor in a frame stored, which can also be designed to be mobile.
  • cylindrical brooms are currently used, which perforate the screen from the outside clean inside by inserting the individual bristles.
  • This cleaning technique works perfectly with sticky masses, such as wet soil, sand or moist compost.
  • the processing of residual waste leads to very often long particles, some of which fall through the perforated screen, such as tapes, Cords, tapes etc. for wrapping the sieve drum, which is due to the Covering the respective screen holes to a considerable deterioration of the Performance.
  • metallic scrapers are currently used on the outer jacket of the drum screens.
  • these externally adjustable metal wipers lead to one high wear and go hand in hand with a large noise emission, which for the Operator of the drum screen machine is often unacceptable.
  • this task is based on a generic Drum screening machine through the combination with the characteristic feature of claim 1 solved. So enclose on the outside of the screen plate jacket Drum-extending strips neighboring screen holes partially. With this construction principle the hole circumference is at least partially surrounding ledges a jamming of bulky objects in the Screen plate largely prevented. On the other hand, it is not a closed one Pipe that connects to the drum hole, causing jamming of particles in the pipe is also effectively prevented. Because the respective Sieve holes are only partially enclosed, the cross section widens outwards compared to the perforated screen. In to the main claim subsequent subclaims are advantageous design variants reproduced the invention.
  • the strips can enclose the sieve holes each half of their circumference. This creates an optimal compromise between the danger of yourself Clogging of the holes due to bulky objects on the one hand and the risk of Clogging of the subsequent pipe socket by particles etc. on the other hand found.
  • the screen drum 10 shown in FIG. 1 has a screen plate jacket 12.
  • the Sieve sheet jacket 12 has a plurality of sieve holes 14, which are shown in FIG. 1 have been presented in simplified form using just a few examples.
  • the sieve holes extend usually distributed evenly over the entire screen plate jacket 12.
  • the sieve holes are 14 aligned along parallel lines in the longitudinal direction to the screen plate jacket 12.
  • the drum screen has flanges 16 and 18 on the side.
  • the drum screens point free cross sections on each of their faces.
  • the storage of the drum screens and the drive are customary. Based on the detail B in Fig. 3 is too recognize that parallel to the rows of holes with holes 14 strips 20 parallel welded to each other and aligned in the longitudinal direction of the screen plate jacket 12 are.
  • the perspective representation of the detail B can in particular the shape of the strips 20 can be found in the bottom row.
  • the Lasts are made up of two alternating elements. To the one of the semi-circular cross-section enclosing the respective screen holes 14 Sheet metal parts 22 and straight connecting webs 24, the connect the semicircular shaped strip parts 22 to one another.
  • FIG. 1 are not all holes 14 and strips 20, as they are real on the Sieve sheet jacket are present, shown. So this is just a simplified one Representations.

Landscapes

  • Combined Means For Separation Of Solids (AREA)
  • Eye Examination Apparatus (AREA)
  • Pulleys (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Liquid Crystal Substances (AREA)

Claims (4)

  1. Tamis à tambour avec au moins un tambour entraínable en rotation (10) avec une enveloppe de tamis en tôle (12), dans lequel des baguettes (20) s'étendant dans la direction longitudinale du tambour, qui sont adaptées à la circonférence de trou des trous de tamisage adjacents (14), sont disposées à l'extérieur sur l'enveloppe de tamis en tôle (12), caractérisé en ce que lesdités baguettes (20) entourent respectivement partiellement lesdits trous de tamisage (14).
  2. Tamis à tambour selon la revendication 1, caractérisé en ce que les baguettes (20) entourent les trous de tamisage (14) respectivement sur la moitié de leur circonférence de trou.
  3. Tamis à tambour selon la revendication 1 ou la revendication 2, caractérisé en ce qu'une barre de coupe est prévue pour couper un matériau enroulé à l'extérieur sur le tambour (10).
  4. Tamis à tambour selon la revendication 3, caractérisé en ce qu'une barre de coupe peut être disposée respectivement sur une ou plusieurs baguettes (20).
EP01110332A 2000-07-31 2001-04-26 Tamis à tambour Expired - Lifetime EP1177838B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20013174U 2000-07-31
DE20013174U DE20013174U1 (de) 2000-07-31 2000-07-31 Trommelsiebmaschine

Publications (3)

Publication Number Publication Date
EP1177838A2 EP1177838A2 (fr) 2002-02-06
EP1177838A3 EP1177838A3 (fr) 2002-08-14
EP1177838B1 true EP1177838B1 (fr) 2004-06-30

Family

ID=7944598

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01110332A Expired - Lifetime EP1177838B1 (fr) 2000-07-31 2001-04-26 Tamis à tambour

Country Status (5)

Country Link
EP (1) EP1177838B1 (fr)
AT (1) ATE270158T1 (fr)
DE (2) DE20013174U1 (fr)
DK (1) DK1177838T3 (fr)
ES (1) ES2223678T3 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1235035B (it) * 1988-10-14 1992-06-17 Impresa A Cecchini E Co Srl Perfezionamenti nei dispositivi di vagliatura dei rifiuti solidi urbani
JPH07106344B2 (ja) * 1992-09-16 1995-11-15 日本磁力選鉱株式会社 長尺物分離装置
ATE279993T1 (de) * 1997-08-13 2004-11-15 Busschers Metaalbedrijf Bv Vorrichtung zum sortieren von abfall

Also Published As

Publication number Publication date
DE20013174U1 (de) 2001-12-06
DK1177838T3 (da) 2004-09-27
DE50102716D1 (de) 2004-08-05
ES2223678T3 (es) 2005-03-01
ATE270158T1 (de) 2004-07-15
EP1177838A2 (fr) 2002-02-06
EP1177838A3 (fr) 2002-08-14

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