EP1531947A1 - Siebvorrichtung mit klopfelementen - Google Patents
Siebvorrichtung mit klopfelementenInfo
- Publication number
- EP1531947A1 EP1531947A1 EP03738091A EP03738091A EP1531947A1 EP 1531947 A1 EP1531947 A1 EP 1531947A1 EP 03738091 A EP03738091 A EP 03738091A EP 03738091 A EP03738091 A EP 03738091A EP 1531947 A1 EP1531947 A1 EP 1531947A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- screen
- mat
- screening device
- elements
- traction means
- 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
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
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
- B07B1/54—Cleaning with beating devices
-
- 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
-
- 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 sieving device with a sieve mat having sieve openings and knocking elements arranged beneath the sieve mat, which strike against the underside of the sieve mat in order to free the sieve mat from the sieve material blocking the sieve openings.
- the object of the invention is to improve a sieve device of the type mentioned in such a way that, with simple construction and assembly, the sieve openings are reliably kept free of boundary grain and adhering grains of the sieved material.
- this object is achieved in that the tapping elements are fastened to at least one elongated tensioning means, such as a rope or belt, which extends below the screen mat.
- the arrangement of the tapping elements on elongated traction means is structurally particularly simple and leads to reliable cleaning results.
- tapping elements are spherical. It is also preferably proposed that the traction means run transversely, longitudinally or obliquely to the conveying direction of the material to be screened.
- the sieve mat is formed by an interchangeable sieve element which surrounds the sieve mat on all sides with a frame projecting downwards, the sieve surface of a sieve machine being able to be formed by a plurality of sieve elements.
- Each interchangeable sieve element thus has its own device for keeping the sieve openings free of border grain and adhering grains.
- a particularly simple assembly and interchangeability is achieved if the ends of the traction means are fastened to the frame of the sieve element in a form-fitting manner, in particular in a latching manner.
- the tapping elements are arranged below a sieve mat stretched over the entire width of a screening machine, the ends of the traction means carrying two or more tapping elements being fastened to the sides of the screening machine.
- the ends of the traction means can be fastened in a form-fitting manner, in particular in a latching manner, on the sides of the screening machine. It is also advantageous if crossbeams are fastened on the sieve machine substructure between the tapping elements and support the traction means.
- the traverses run transversely or longitudinally to the conveying direction of the material to be screened.
- a particularly easy interchangeability of the tapping elements is achieved if the screen mat is detachably attached to the sides of the screening machine with two opposite edges in particular by hooking. In terms of construction, it would be simple if the traction means ran through the tapping elements. The interchangeability of the tapping elements with respect to the traction means can also be achieved here.
- FIG. 1 shows a vertical section through a single screen element having a frame with only one tapping element on the traction means
- Figure 2 shows the screen element of Figure 1 with two tapping elements on the traction device
- FIG. 3 shows the screen element according to FIG. 1 or 2 with two loosened traction means arranged underneath with one and two tapping elements;
- Figure 4 is a vertical section through a screening machine with a screen mat stretched over the entire width of the screening machine and knocking elements arranged underneath.
- a sieve element 1 is shown with a rectangular sieve mat 2, which is surrounded on all four sides by an edge 3, which projects over the sieve mat 2 downwards as a frame.
- Sieve mat 2 and edge 3 are made of plastic and fastened to one another, in particular glued, jointly cast or welded, or sieve mat and edge or frame are made in one piece from plastic. Polyurethane is preferably used as the plastic.
- Several of these Sieve elements form the sieve surface of a sieving machine and can easily be replaced individually.
- the openings 4 in the edge 3 or frame can also be designed such that they have an inwardly projecting projection which must be overcome by the end 6, so that there is a latching fastening.
- Knocking elements 7 are fastened on the traction means 5, which preferably consist of plastic and can have different shapes. In all of the exemplary embodiments, the knocking elements 7 are spherical.
- the traction means with their tapping elements arranged thereon can be arranged transversely, lengthways or obliquely to the conveying direction of the material to be screened.
- FIG. 4 shows a screening machine with a screening mat 8 arranged over the entire width of the screening machine, the two edges of which form tensioning folds 9, hooking behind the tensioning rails 10, which are fastened to the side walls 11 of the screening machine.
- the screen mat 8 is held securely as a clamping mat in the screening machine.
- a traction means 5 is fastened below the sieve mat 8, the two ends of the traction means being releasably fastened to the side cheeks 11, in particular to the supports 13 of the side cheeks 11.
- a bore can be arranged in the support 13.
- Trusses 12, on which the traction means 5 rests, are fastened to the substructure of the screening machine, at least between each truss 12 a tapping element 7 is arranged on the traction means. It should be noted in FIG. 4 that the parts are shown in a state in which they are lifted apart.
- the crossbeams 12 can be arranged transversely or longitudinally to the conveying direction of the material to be screened, depending on how the screen 8 is installed. When the sieve 8 is stretched longitudinally, the cross members run transversely to the conveying direction.
- flat irons are let into the plastic material of the sieve on the underside of the sieve, which protrude downwards and to which the traction element or the traction elements are fastened.
Landscapes
- Combined Means For Separation Of Solids (AREA)
- Load-Engaging Elements For Cranes (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10239667 | 2002-08-26 | ||
DE10239667A DE10239667A1 (de) | 2002-08-26 | 2002-08-26 | Siebvorrichtung mit Klopfelementen |
PCT/EP2003/006780 WO2004020113A1 (de) | 2002-08-26 | 2003-06-26 | Siebvorrichtung mit klopfelementen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1531947A1 true EP1531947A1 (de) | 2005-05-25 |
EP1531947B1 EP1531947B1 (de) | 2008-02-27 |
Family
ID=31502077
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03738091A Expired - Fee Related EP1531947B1 (de) | 2002-08-26 | 2003-06-26 | Siebvorrichtung mit klopfelementen |
Country Status (9)
Country | Link |
---|---|
US (1) | US7416085B2 (de) |
EP (1) | EP1531947B1 (de) |
KR (1) | KR20050034751A (de) |
AT (1) | ATE387267T1 (de) |
AU (1) | AU2003245991B9 (de) |
DE (2) | DE10239667A1 (de) |
PL (1) | PL205551B1 (de) |
WO (1) | WO2004020113A1 (de) |
ZA (1) | ZA200500977B (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11338327B2 (en) * | 2007-03-21 | 2022-05-24 | Derrick Corporation | Method and apparatuses for screening |
US7861866B1 (en) | 2008-03-07 | 2011-01-04 | Tema Isenmann, Inc. | Screening system with knocking device |
DE202010013928U1 (de) | 2010-10-06 | 2011-10-27 | Achim Karcher | Siebelement mit einer Einrichtung zum Schutz der Sieböffnungen vor Verstopfung |
CN104550013B (zh) * | 2015-01-23 | 2016-05-11 | 中国核动力研究设计院 | 核燃料uo2微球旋振筛分装置 |
CN105855168A (zh) * | 2016-04-08 | 2016-08-17 | 李龙胜 | 一种筛粉装置 |
MX2020002350A (es) | 2017-09-01 | 2020-07-14 | Derrick Corp | Aparatos y metodos de depuracion para tamizaje. |
PL238108B1 (pl) | 2019-03-12 | 2021-07-05 | Sosnowski Wlodzimierz | Urządzenie sitowe do doczyszczania materiału ziarnistego |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US615524A (en) * | 1898-12-06 | Staedter | ||
DE296513C (de) | ||||
US669586A (en) * | 1900-04-04 | 1901-03-12 | Albert Levasseur | Plansifter. |
DE599572C (de) * | 1932-08-26 | 1934-07-05 | Bamag Meguin Akt Ges | Reinigungsvorrichtung fuer auf und ab schwingende Siebe |
US2617533A (en) * | 1948-12-17 | 1952-11-11 | Lehman | Vibrating equipment |
DE855042C (de) * | 1951-03-17 | 1952-11-10 | Benno Stanger | Mahlkoerper zum Verarbeiten von fluessigen bis pastoesen Stoffen in Einwalzen- oder Mehrwalzenmuehlen |
US3087617A (en) * | 1960-03-02 | 1963-04-30 | Arthur R Forsberg | Screener |
US4122006A (en) * | 1977-09-28 | 1978-10-24 | Black Clawson, Inc. | Screening apparatus |
DE8435585U1 (de) * | 1984-12-05 | 1985-03-07 | Hein, Lehmann AG, 4000 Düsseldorf | Vorrichtung zum absieben von siebschwierigen siebguetern |
JPH0763680B2 (ja) * | 1988-02-12 | 1995-07-12 | ユリ子 甲斐 | 振動篩網目詰防止方法及びその装置 |
US6422394B1 (en) * | 2001-02-26 | 2002-07-23 | William Harold Page | Continuous cleaning system for screening machines |
-
2002
- 2002-08-26 DE DE10239667A patent/DE10239667A1/de not_active Withdrawn
-
2003
- 2003-06-26 AU AU2003245991A patent/AU2003245991B9/en not_active Ceased
- 2003-06-26 US US10/525,280 patent/US7416085B2/en not_active Expired - Fee Related
- 2003-06-26 PL PL373612A patent/PL205551B1/pl unknown
- 2003-06-26 AT AT03738091T patent/ATE387267T1/de active
- 2003-06-26 WO PCT/EP2003/006780 patent/WO2004020113A1/de active IP Right Grant
- 2003-06-26 DE DE50309266T patent/DE50309266D1/de not_active Expired - Lifetime
- 2003-06-26 KR KR1020057003407A patent/KR20050034751A/ko not_active Application Discontinuation
- 2003-06-26 EP EP03738091A patent/EP1531947B1/de not_active Expired - Fee Related
-
2005
- 2005-02-02 ZA ZA200500977A patent/ZA200500977B/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2004020113A1 * |
Also Published As
Publication number | Publication date |
---|---|
PL373612A1 (en) | 2005-09-05 |
US7416085B2 (en) | 2008-08-26 |
DE10239667A1 (de) | 2004-03-11 |
AU2003245991A2 (en) | 2005-06-30 |
EP1531947B1 (de) | 2008-02-27 |
DE50309266D1 (de) | 2008-04-10 |
AU2003245991B8 (en) | 2008-12-18 |
ATE387267T1 (de) | 2008-03-15 |
US20050252835A1 (en) | 2005-11-17 |
AU2003245991A1 (en) | 2004-03-19 |
PL205551B1 (pl) | 2010-04-30 |
WO2004020113A1 (de) | 2004-03-11 |
ZA200500977B (en) | 2005-08-29 |
AU2003245991B9 (en) | 2009-01-08 |
KR20050034751A (ko) | 2005-04-14 |
AU2003245991B2 (en) | 2008-11-27 |
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