EP1224984B1 - Tamis et blutoir horizontal - Google Patents
Tamis et blutoir horizontal Download PDFInfo
- Publication number
- EP1224984B1 EP1224984B1 EP01126559A EP01126559A EP1224984B1 EP 1224984 B1 EP1224984 B1 EP 1224984B1 EP 01126559 A EP01126559 A EP 01126559A EP 01126559 A EP01126559 A EP 01126559A EP 1224984 B1 EP1224984 B1 EP 1224984B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- screen
- sieve
- box
- corners
- screen box
- 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
Links
Images
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
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- 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
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/02—Fastening means for fastening screens to their frames which do not stretch or sag the screening surfaces
Definitions
- the invention relates to a sieve, in particular a sieve or a sieve box for Plansichter according to the preamble of claim 1, and a Plansichter.
- Generic screens in particular Plansichter and the like have a sieve box with a bottom plate, in or on which a sieve-covered sieve frame is placed or placed on (EP-A-330846 or WO-A-93/16815). Such screens already come without a corrugated grid or supporting grates.
- the sieve frame may be made of light metal or a metal-wood composite and also the bottom plate may be made of metal or plastic (EP-A-584302).
- DE 2,755,573 discloses a base frame for screen frames in which a collecting frame and a sieve bottom at the corners have Abstumpfungen to allow easier fixation of the collecting frame or the sieve plate in the base frame.
- the document DE 228064 describes a device for holding together boxes or frames, in particular for clamping the sieve sets of Plansichtern by means of angle levers.
- pressure angles are positively arranged at the corners of the screen boxes, the tension takes place with the help of schamierartig sitting thereon angle levers.
- One end of the bellcrank lays thumb-like against projections of the rails carrying the boxes, while the other end is engageable by the tension rods connecting the pressure angle. The tension is done manually.
- the object of the invention is therefore to develop a sieve which can be tensioned horizontally simply or in a sieve stack.
- the object is achieved on the basis of the characterizing features of claim 1.
- Another object is the development of a Plansichters that allows a simple and secure horizontal clamping or relaxing of sieves and / or Siebstapeln.
- An automatic tensioning device for stacks of sieves in a plan sifter which at the same time includes a start-up check as well as an automatic, horizontal, controlled retightening, is also made possible.
- a sieve has a sieve frame 1 with web strips 2 and a sieve cloth 3, which is inserted into a sieve box 4.
- the screen frame is preferably made of aluminum or a polyurethane foam.
- the base plate 5 has web strips 6 and also on its outer side preferably 2 web strips, which are designed so that they can immerse in the, located on a screen fabric 3 of a sieve arranged underneath Mahlgut harsh. In addition to a stiffening of the bottom plate 5, such outer web strips also cause a guiding of the ground material on the respectively underlying sieve in a Plansichter.
- the sieves arranged in a plan sifter 10 in stacks are tensioned or tensioned in the horizontal direction.
- the arrangement of such sieve stacks takes place e.g. according to the manner described in EP-B-584 302.
- the vertical clamping is carried out, for example, by means of a tensioning means 11, which is arranged below a ceiling frame 13.
- the drive station is preferably arranged completely within a central part of a plan sifter compartment.
- the sieves or sieve stacks can be clamped horizontally with a defined force.
- an adjustable force is introduced into each two side edges of a screen, so that the screen with the opposite side wall or the opposite side edges is pressed against the frame of Plansichters 10.
- the adjustable force allows a safe clamping under consideration of the respective operating conditions etc.
- the force is introduced via an element 15, which allows a division of the force in a component along the direction of force introduction and at an angle approximately in the direction of the center of the wire to the direction of force introduction.
- the corners of the sieves must have surfaces 7, which correspond to a corresponding surface 17 of the element 15.
- the element 15 is therefore preferably designed as an isosceles triangle and is arranged with a spring 16 respectively on a longitudinal member 14. A flexible system of the sieve box 4 is thus guaranteed in the sieve stack.
- the opposite corners of the sieve box 4 preferably have analogous surfaces 7, so that in a system against a spring element a comparable force distribution takes place.
- the four corners of a sieve box 4 are thus fixable in a horizontal position. Both insufficient (insufficient) and too intensive (deforming) clamping is thereby prevented, regardless of the operating conditions (temperature, etc.).
- the sieves are in the corners exactly on top of each other, so that even with each other a tightness is given.
Landscapes
- Combined Means For Separation Of Solids (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Supports For Plants (AREA)
- Catching Or Destruction (AREA)
Claims (4)
- Blutoir horizontal, comportant des compartiments de tamisage pour accueillir des empilements de tamis, des moyens de serrage étant prévus pour le serrage horizontal d'un tamis, voire d'un empilement entier de tamis, caractérisé en ce que les moyens de serrage comprennent des éléments (15) avec une section transversale triangulaire, dont l'une des surfaces (17) de l'élément (15) s'appuie en nappe sur une surface correspondante (7) d'un coin du caisson de tamisage (4) et au moins respectivement deux coins d'un caisson de tamisage (4) s'appuyant sur des surfaces (17).
- Blutoir horizontal selon la revendication 1, caractérisé en ce que deux surfaces (7) respectivement opposées d'un caisson de tamisage (4) sont disposées à la parallèle l'une de l'autre.
- Tamis pour un blutoir horizontal selon la revendication 1 ou 2, comportant un cadre de tamis (1), avec des listels (2) et avec une gaze métallique (3) que l'on insère dans un caisson de tamisage (4), caractérisé en ce que au moins deux des quatre coins du caisson de tamisage (4) comportent une surface biseautée (7) entre deux coins de délimitation ainsi formés.
- Tamis selon la revendication 3, caractérisé en ce que deux surfaces (7) respectivement opposées d'un caisson de tamisage (4) sont disposées à la parallèle l'une de l'autre.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10105647A DE10105647A1 (de) | 2001-01-19 | 2001-01-19 | Sieb und Verfahren zur Herstellung von Sieben |
DE10105647 | 2001-01-19 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1224984A2 EP1224984A2 (fr) | 2002-07-24 |
EP1224984A3 EP1224984A3 (fr) | 2002-11-27 |
EP1224984B1 true EP1224984B1 (fr) | 2006-12-06 |
Family
ID=7673237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01126559A Expired - Lifetime EP1224984B1 (fr) | 2001-01-19 | 2001-11-15 | Tamis et blutoir horizontal |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1224984B1 (fr) |
AT (1) | ATE347453T1 (fr) |
DE (2) | DE10105647A1 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006005971B4 (de) * | 2006-02-08 | 2011-04-07 | Bühler AG | Plansichter |
DE102006005969B4 (de) * | 2006-02-08 | 2013-11-21 | Bühler AG | Sieb |
DE102007041444A1 (de) | 2007-08-31 | 2009-03-05 | Bühler AG | Sieb |
DE102007042838A1 (de) | 2007-09-10 | 2009-03-12 | Bühler AG | Sieb |
CN102485351A (zh) * | 2010-12-03 | 2012-06-06 | 河南太行振动机械股份有限公司 | 一种浮动式筛板 |
EA201691646A1 (ru) * | 2014-02-18 | 2017-01-30 | Юкселиш Макина Санайи Ве Тиджарет Аноним Ширкети | Модульный просеивающий узел |
US11285514B2 (en) * | 2016-05-03 | 2022-03-29 | Schlumberger Technology Corporation | Apparatus, system and method for fastening a screen on a gyratory sifter |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE228064C (fr) * | ||||
DE2755573C2 (de) * | 1977-12-09 | 1985-11-14 | Budapesti Elelmiszeripari Gépgyár és Szerelö Vállalat, Budapest | Grundrahmen, insbesondere für Plansichter |
DE3802799A1 (de) * | 1988-01-30 | 1989-08-10 | Reinhard Rueter | Plansichter |
CH685604A5 (de) * | 1992-02-29 | 1995-08-31 | Buehler Ag | Plansichter. |
-
2001
- 2001-01-19 DE DE10105647A patent/DE10105647A1/de not_active Withdrawn
- 2001-11-15 EP EP01126559A patent/EP1224984B1/fr not_active Expired - Lifetime
- 2001-11-15 AT AT01126559T patent/ATE347453T1/de not_active IP Right Cessation
- 2001-11-15 DE DE50111585T patent/DE50111585D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1224984A3 (fr) | 2002-11-27 |
DE50111585D1 (de) | 2007-01-18 |
DE10105647A1 (de) | 2002-07-25 |
EP1224984A2 (fr) | 2002-07-24 |
ATE347453T1 (de) | 2006-12-15 |
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