EP1177838A2 - Tamis à tambour - Google Patents

Tamis à tambour Download PDF

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Publication number
EP1177838A2
EP1177838A2 EP01110332A EP01110332A EP1177838A2 EP 1177838 A2 EP1177838 A2 EP 1177838A2 EP 01110332 A EP01110332 A EP 01110332A EP 01110332 A EP01110332 A EP 01110332A EP 1177838 A2 EP1177838 A2 EP 1177838A2
Authority
EP
European Patent Office
Prior art keywords
drum
strips
holes
sieve
jacket
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.)
Granted
Application number
EP01110332A
Other languages
German (de)
English (en)
Other versions
EP1177838A3 (fr
EP1177838B1 (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 invention relates to a drum screen machine with at least one rotating drivable drum with perforated sieve sheet jacket.
  • drum screening machines are used for a wide variety of requirements. You will find applications for screening compost, bark mulch, chopped wood, Sand, gravel, contaminated soil, broken building rubble or residual waste.
  • the screening drums are placed in a frame together with their drive motor 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 sieve perforation, such as tapes, Cords, tapes etc. for wrapping the screen 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.
  • the object of the invention is to make a drum screening machine known Design in such a way that they are particularly suitable for the screening of Residual waste is suitable.
  • this task is based on a generic Drum screening machine through the combination with the characteristic features of claim 1 solved.
  • the outside of the screen plate jacket is in Drum rails extending strips arranged, each on the circumference of the hole
  • Adjacent sieve holes are adapted and partially enclose them.
  • the hole circumference is at least partially surrounding ledges a jamming of bulky objects in the Screen plate largely prevented.
  • it is not a closed one Pipe that connects to the drum hole, causing jamming of particles in the pipe is also effectively prevented.
  • the respective Sieve holes are only partially enclosed, the cross section widens outwards compared to the perforated screen.
  • the strips can enclose the sieve holes in 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.
  • At least one cutter which for Cutting through the materials wound on the outside of the drum serves.
  • Such Cutting units can be attached to one or more strips on the drum circumference be arranged.
  • 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 were 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.
  • In detail B and Fig. 1 are not all holes 14 and strips 20, as they are real on the Sieve sheet jacket are shown. So this is just a simplified one Representations.
  • the strips 20 are in a corresponding sectional view shown. In particular, it can be clearly seen here how the strips 20 are vertical protrude from the screen plate jacket 12. Inside the sieve sheet jacket is here present embodiment variant a firmly connected to the screen plate jacket 12 Shown screw 26, which is used to transport the material to be screened. However, this screw 26 is not mandatory, since the transport of the Good to be screened also by appropriately tilting the screen plate jacket 12 can be achieved.
  • a cutting unit with which around the screen plate jacket 12 coiled cords, tapes, tapes etc. along the length Drum can be cut through, so that they continue to rotate Drum fall off from this.
  • These cutting units can be similar, for example the cutting units of bar mowers, so-called finger bars, mulch bars or double knife bar. The operation of the cutting units can be done by simply folding the gate controls if required.

Landscapes

  • Combined Means For Separation Of Solids (AREA)
  • Eye Examination Apparatus (AREA)
  • Pulleys (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Liquid Crystal Substances (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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 true EP1177838A2 (fr) 2002-02-06
EP1177838A3 EP1177838A3 (fr) 2002-08-14
EP1177838B1 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)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5071544A (en) * 1988-10-14 1991-12-10 Manlio Cerroni Filtering device for solid wastes
US5373948A (en) * 1992-09-16 1994-12-20 Nippon Jiryoku Senko, Co., Ltd. Device for separating long-size materials
EP0896837A2 (fr) * 1997-08-13 1999-02-17 Metaalbedrijf Busschers B.V. Dispositif pour trier des déchets

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5071544A (en) * 1988-10-14 1991-12-10 Manlio Cerroni Filtering device for solid wastes
US5373948A (en) * 1992-09-16 1994-12-20 Nippon Jiryoku Senko, Co., Ltd. Device for separating long-size materials
EP0896837A2 (fr) * 1997-08-13 1999-02-17 Metaalbedrijf Busschers B.V. Dispositif pour trier des déchets

Also Published As

Publication number Publication date
DE50102716D1 (de) 2004-08-05
ATE270158T1 (de) 2004-07-15
EP1177838A3 (fr) 2002-08-14
DE20013174U1 (de) 2001-12-06
EP1177838B1 (fr) 2004-06-30
DK1177838T3 (da) 2004-09-27
ES2223678T3 (es) 2005-03-01

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