EP1981653B1 - Tamis - Google Patents

Tamis Download PDF

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Publication number
EP1981653B1
EP1981653B1 EP07700128A EP07700128A EP1981653B1 EP 1981653 B1 EP1981653 B1 EP 1981653B1 EP 07700128 A EP07700128 A EP 07700128A EP 07700128 A EP07700128 A EP 07700128A EP 1981653 B1 EP1981653 B1 EP 1981653B1
Authority
EP
European Patent Office
Prior art keywords
screen
drop
box
sieve
channels
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.)
Active
Application number
EP07700128A
Other languages
German (de)
English (en)
Other versions
EP1981653A1 (fr
Inventor
Jürgen Moosmann
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.)
Buehler AG
Original Assignee
Buehler AG
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 Buehler AG filed Critical Buehler AG
Publication of EP1981653A1 publication Critical patent/EP1981653A1/fr
Application granted granted Critical
Publication of EP1981653B1 publication Critical patent/EP1981653B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B07B1/38—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens oscillating in a circular arc in their own plane; Plansifters
    • 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
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens

Definitions

  • the invention relates to a sieve, in particular a sieve for use in Plansichtern or the like screening and viewing devices for the screening of floury, granular or granular products.
  • Such screens have a sieve box with bottom plate and fines discharge as well as a sieve frame covered with sieve cloth.
  • the screen frame is, like the screen box with webs divided into fields, is fastener-free and form-fitting inserted into the sieve box.
  • Such insert screen frame has a sufficiently high inherent rigidity, so that it is not deformed and does not need to be fixed with fasteners on the screen box.
  • the screen frame is preferably made of metallic materials and covered with screen mesh.
  • the product-carrying surfaces of the sieve box are preferably coated with plastic, the bottom plate is made of metal or plastic.
  • the invention has for its object to develop a screen that allows a better performance adjustment to the product flow in the classifier, in particular Plansichter and is particularly suitable for very high performance.
  • the solution of the task The sieve box has at least one diarrhea channel whose width is much higher than usual (usually about 6 cm), preferably at least 1.5 flat as wide. For example, a width of about 13 cm.
  • two large outlet channels are preferably provided, which are arranged parallel to each other on the outer sides of the screen box.
  • Sieves with such large diarrhea channels for the overflow are particularly for Kontrollsichtungen at high powers, eg. B. of up to 40 t / h per Siebabteil applicable. At the same time they allow better air circulation in the plan sifter.
  • the outer dimensions (base area) of the screen are preferably identical in all embodiments.
  • the sieve boxes are preferably filled with foam and provided with insertion sieves whose frames are made of metal, preferably made of stainless steel, in accordance with the disclosure according to EP-B-584302 ,
  • the outlet box preferably has a modular construction, which, with a small number of molded parts, enables a high variety of outlet variants, also with regard to the number of product runs.
  • a foamed from PUR sieve box 1 a sieve has a bottom plate 2 and partitions 4 for receiving a Einlegesiebrahmens 5 with webs and continue discharge channels and is bounded by side walls 3.
  • the frame height of the screen box 1 is about 8 cm.
  • the screen box 1 also has specifically designed corner pieces 7, on the one hand enable a good centering within outer side walls 3 and on the other hand large outlet channels and diarrhea channels 6.
  • the width of these diarrhea channels 6 is about 13 cm, which allows a visual performance of about 35 t / h.
  • the foamed screen box 1 has no sharp corners and edges, which simplifies cleaning. The wear is low.
  • the insert screen frame 5 made of stainless steel is provided with a contour-matched seal, which ensures optimum tightness between insert screen frame 5 and screen box 1.

Landscapes

  • Combined Means For Separation Of Solids (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Claims (5)

  1. Tamis, en particulier tamis à utiliser dans des cribles plans ou des dispositifs similaires de tamisage et de criblage pour le criblage de produits pulvérulents, granulaires ou granuleux, se composant d'un caisson de tamis (1) avec une plaque de fond (2) et au moins un canal de passage (6) pour le produit ainsi que d'un cadre de tamis d'insertion (5), qui est tendu d'un tissu de tamis, dans lequel le canal de passage (6) est formé entre le caisson de tamis (1) et des parois latérales extérieures (3), caractérisé en ce que le caisson de tamis (1) présente des pièces d'angle (7), qui sont saillantes latéralement au-dessus de la plaque de fond (2), pour le bon centrage du caisson de tamis (1) à l'intérieur des parois latérales extérieures (3) et pour la formation de grands canaux de passage (6) d'une largeur d'au moins 9 cm.
  2. Tamis selon la revendication 1, caractérisé en ce que le canal de passage (6) a une largeur d'environ 13 cm.
  3. Tamis selon la revendication 1 ou 2, caractérisé en ce qu'il est prévu deux canaux de passage (6).
  4. Tamis selon au moins une des revendications 1 à 3, caractérisé en ce que le caisson de tamis (1) est composé d'une matière plastique, en particulier d'une matière plastique moussable.
  5. Tamis selon au moins une des revendications 1 à 4, caractérisé en ce que le cadre de tamis d'insertion (5) est composé de métal, en particulier d'un acier inoxydable.
EP07700128A 2006-02-08 2007-01-26 Tamis Active EP1981653B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006005967A DE102006005967A1 (de) 2006-02-08 2006-02-08 Sieb
PCT/CH2007/000035 WO2007090304A1 (fr) 2006-02-08 2007-01-26 Tamis

Publications (2)

Publication Number Publication Date
EP1981653A1 EP1981653A1 (fr) 2008-10-22
EP1981653B1 true EP1981653B1 (fr) 2011-10-19

Family

ID=38282277

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07700128A Active EP1981653B1 (fr) 2006-02-08 2007-01-26 Tamis

Country Status (12)

Country Link
US (1) US20090084712A1 (fr)
EP (1) EP1981653B1 (fr)
JP (1) JP2009525852A (fr)
KR (1) KR20080098483A (fr)
CN (1) CN101378848B (fr)
AT (1) ATE529197T1 (fr)
AU (1) AU2007214235B2 (fr)
BR (1) BRPI0707707A2 (fr)
DE (1) DE102006005967A1 (fr)
ES (1) ES2373332T3 (fr)
WO (1) WO2007090304A1 (fr)
ZA (1) ZA200806151B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPD20110094A1 (it) * 2011-03-28 2012-09-29 Omas Srl Telaio porta setacci
CH720205A1 (de) * 2022-11-07 2024-05-15 Swisca Ag Siebvorrichtung für Plansichter zum Fraktionieren von Getreidemahlprodukten

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2455383A (en) * 1947-09-16 1948-12-07 Richmond Mfg Company Screen for gyratory sifters, screens, or bolting equipment
US3422955A (en) * 1966-04-11 1969-01-21 Smico Inc Superimposed gyratory sifters
CH625430A5 (en) * 1977-11-22 1981-09-30 Budapesti Elelmiszeripari Gepg Basic frame for screening boxes
DE4101710A1 (de) * 1991-01-22 1992-07-23 Hein Lehmann Trenn Foerder Siebflaeche fuer eine siebmaschine
CH685604A5 (de) * 1992-02-29 1995-08-31 Buehler Ag Plansichter.
JP3316032B2 (ja) * 1993-05-11 2002-08-19 日清製粉株式会社 粉粒体篩機用の篩枠
JP3479565B2 (ja) * 1994-10-28 2003-12-15 日清製粉株式会社 粉粒体篩装置に用いる多段積層式用の篩枠
US5598931A (en) * 1994-10-11 1997-02-04 Nisshin Flour Milling Co., Ltd. Sifter frame for powder particle sifter
DE19706601C1 (de) * 1997-02-20 1998-11-12 Buehler Ag Siebrahmen für Plansichter und Verfahren zu dessen Herstellung
DE19825617A1 (de) * 1998-06-08 1999-12-09 Filip Gmbh Muellereibuersten Vorrichtung zur Siebrahmen- und Bodenreinigung eines Siebkastens
JP4176226B2 (ja) * 1999-02-25 2008-11-05 日清製粉株式会社 粉粒体の篩い分け方法
DE102007004150A1 (de) * 2007-01-22 2008-07-24 Bühler AG Plansichter

Also Published As

Publication number Publication date
CN101378848A (zh) 2009-03-04
JP2009525852A (ja) 2009-07-16
BRPI0707707A2 (pt) 2011-05-10
AU2007214235B2 (en) 2011-04-21
EP1981653A1 (fr) 2008-10-22
ZA200806151B (en) 2009-04-29
WO2007090304A1 (fr) 2007-08-16
CN101378848B (zh) 2013-02-13
KR20080098483A (ko) 2008-11-10
AU2007214235A1 (en) 2007-08-16
ATE529197T1 (de) 2011-11-15
US20090084712A1 (en) 2009-04-02
ES2373332T3 (es) 2012-02-02
DE102006005967A1 (de) 2007-08-09

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