EP1239977A1 - Vorrichtung zur separierung mittels eines siebbelages - Google Patents
Vorrichtung zur separierung mittels eines siebbelagesInfo
- Publication number
- EP1239977A1 EP1239977A1 EP00943682A EP00943682A EP1239977A1 EP 1239977 A1 EP1239977 A1 EP 1239977A1 EP 00943682 A EP00943682 A EP 00943682A EP 00943682 A EP00943682 A EP 00943682A EP 1239977 A1 EP1239977 A1 EP 1239977A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strips
- scrap
- openings
- section
- cross
- 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
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4681—Meshes of intersecting, non-woven, elements
-
- 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
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/14—Details or accessories
- B07B13/16—Feed or discharge arrangements
Definitions
- the invention relates to a device for separating unwanted elongated and / or curved scrap pieces from a scrap stream or scrap heap of higher density with the aid of a screen covering in a vibratory conveyor.
- a device for classifying a metal swarf containing undesired coarse material with the aid of a vibrating or vibrating screen provided with transverse gaps in which the screen bottom is provided with longitudinal grooves running in the conveying direction.
- the longitudinal grooves have a trough-shaped cross section with a defined flank angle or the groove cross section corresponds to an isosceles triangle standing on the tip with a defined tip angle.
- the material to be sieved or the coarse material should initially be given an orientation transverse to the direction of the sieve gaps in order to ensure a length-dependent sieve passage for the later pressing of dimensionally stable chip briquettes.
- Elongated or curved scrap pieces are undesirable in refrigerated scrap because they negatively affect the bulk properties of the goods.
- Another disadvantage is the formation of low density nests in the feeders of the steel mills where this refrigerated scrap is used.
- the invention is therefore based on the object of realizing the sorting out of the so-called fish from cooling scrap with a suitable screen covering in a conventional vibrating or vibrating screen, in which the separating elements are designed and arranged in such a way that the so-called fish, i.e. the unwanted elongated and / or curved scrap pieces are aligned on the one hand and on the other hand separated from the desired more rounded and denser scrap pieces.
- FIG. 1 is the top view of FIG. 1,
- Fig. 3 shows the cross section according to Fig. 1 and
- a screen 2 is arranged in a vibrating screen 1 with vibration generators 1.1 and resilient bearings 1.2 like a flat floor.
- the direction of conveyance of the scrap stream or scrap heap to be separated, not shown, is indicated in FIG. 1 by the arrow, it being understood that the mainly existing rounded and denser scrap pieces pass through the openings 3.2 of the screen covering 2.
- the screen covering 2 is formed as a lattice-like frame from a plurality of parallel dividing strips 3 running transversely to the conveying direction and a plurality of parallel dividing strips 4 running in the conveying direction, the guiding strips 4 resting on the dividing strips 3 in an outstanding manner.
- Geometries, cross sections and openings 3.2 are formed as they are shown in FIG. 4 according to the details y and z.
- the guide strips 4 which are expediently formed from angle steel and are seated on the separating strips 3, have flat longitudinal strips 4.1 attached to the free angle legs, the spacing of which is at the free Long sides to each other is less than the distance at the joints to the angle legs. According to FIG. 4a), this results in openings 3.2 with a trapezoidal cross section that expand from top to bottom.
- the transverse dividing strips 3 have flank projections 3.1 which protrude into the openings 3.2 described above and rise in the conveying direction, so that the openings 3.2 form a parallelogram-like cross section according to FIG. 4b).
- This different cross-sectional geometry essentially determines the inventive effect, which is described in the following function.
- the guide strips 4 With the cooling scrap stream running in the conveying direction, the guide strips 4 on the one hand bring about the alignment of the elongated and / or curved scrap parts, the fish, and on the other hand, the rounded and denser scrap pieces 3.1 which rise in the conveying direction achieve / collect the rounded and denser scrap pieces between the longitudinal strips 4.1, which in turn causes the fish to "float up". Different friction behavior of the rounded scrap pieces with respect to the elongated fish favors the "floating up” of the same. This achieves the desired separation effect.
- the downward-widening openings 3.2 formed by the longitudinal strips 4.1 prevent jamming of the rounded scrap pieces passing through the openings 3.2.
- the flank projections 3.1 of the separating strips 3 prevent the undesirable, even curved fish from braking or getting caught, Cover 2 to the discharge "swim".
- the openings 3.2 designed according to the invention prevent jamming in the conveying direction and in particular threading the fish.
- An additional rear wall 3.3 counteracts the endeavor that long scrap pieces move backward in a function-related manner when the fish, which is fundamentally conveyed forward, moves into the Openings 3.2 come.
- the constructive design which is advantageous according to the invention, and separating elements which are technologically inexpensive to manufacture, ensure the industrial applicability of the device and its economic success in separating the unwanted scrap pieces.
Landscapes
- Combined Means For Separation Of Solids (AREA)
- Photographic Developing Apparatuses (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19927551A DE19927551C1 (de) | 1999-06-16 | 1999-06-16 | Vorrichtung zur Separierung mittels eines Siebbelages |
DE19927551 | 1999-06-16 | ||
PCT/DE2000/001799 WO2000076679A1 (de) | 1999-06-16 | 2000-05-31 | Vorrichtung zur separierung mittels eines siebbelages |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1239977A1 true EP1239977A1 (de) | 2002-09-18 |
EP1239977B1 EP1239977B1 (de) | 2003-07-16 |
Family
ID=7911479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00943682A Expired - Lifetime EP1239977B1 (de) | 1999-06-16 | 2000-05-31 | Vorrichtung zur separierung mittels eines siebbelages |
Country Status (7)
Country | Link |
---|---|
US (1) | US6755307B1 (de) |
EP (1) | EP1239977B1 (de) |
AT (1) | ATE245057T1 (de) |
DE (2) | DE19927551C1 (de) |
DK (1) | DK1239977T3 (de) |
ES (1) | ES2203493T3 (de) |
WO (1) | WO2000076679A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7186347B2 (en) * | 2002-04-11 | 2007-03-06 | General Kinematics Corporation | Vibratory apparatus for separating liquid from liquid laden solid material |
SE529115E (sv) * | 2005-12-14 | 2014-12-30 | Sandvik Intellectual Property | Siktanordning |
CN101428276B (zh) * | 2007-11-05 | 2012-10-10 | 上海金发科技发展有限公司 | 一种单筛面多用振动筛 |
US20090179134A1 (en) * | 2008-01-10 | 2009-07-16 | General Kinematics Corporation | Modular deck assembly for a vibratory apparatus |
US8708157B2 (en) * | 2011-08-22 | 2014-04-29 | Travis Gibson | Material sorter |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US225608A (en) * | 1880-03-16 | Sieve-protector for th ash ing-m achin es | ||
US750167A (en) * | 1904-01-19 | Grain-sieve | ||
US4600A (en) * | 1846-06-27 | Improvement in screens for grain | ||
US1068302A (en) * | 1911-11-22 | 1913-07-22 | David T Bodle | Chaffing-screen. |
US1051157A (en) * | 1912-09-16 | 1913-01-21 | Robert J Owens | Grain-separator. |
US1190067A (en) * | 1915-04-24 | 1916-07-04 | Harry H Zenge | Pickle-grading machine. |
US2295190A (en) * | 1940-07-11 | 1942-09-08 | W E Zenge | Pickle separating machine |
US3506118A (en) * | 1968-07-08 | 1970-04-14 | Joseph F Illuzzi | Apparatus for sizing and grading articles |
US4143769A (en) * | 1977-05-02 | 1979-03-13 | Chicago And North Western Transportation Co. | Apparatus for sorting and separating discrete articles |
DE3319032C2 (de) * | 1983-05-26 | 1986-04-03 | Lindemann Maschinenfabrik Gmbh, 4000 Duesseldorf | Vorrichtung zum Siebklassieren |
US5746322A (en) * | 1996-07-02 | 1998-05-05 | Action Equipment Co., Inc. | Vibratory finger screen with lateral wedge members |
US5893465A (en) * | 1998-06-26 | 1999-04-13 | Welliver Metal Products Corporation | Food product sorter |
DE19927341A1 (de) | 1999-06-16 | 2001-01-11 | Svedala Lindemann Gmbh | Verfahren zum Betreiben einer Brikettierpresse und Brikettierpresse |
DE19927765C2 (de) | 1999-06-17 | 2003-05-08 | Metso Lindemann Gmbh | Verfahren und Vorrichtung zur Demontage/Remontage von Hämmern, Hammerachsen und/oder Schutzkappen der Rotoren von Hammerbrechern |
-
1999
- 1999-06-16 DE DE19927551A patent/DE19927551C1/de not_active Expired - Fee Related
-
2000
- 2000-05-31 DK DK00943682T patent/DK1239977T3/da active
- 2000-05-31 WO PCT/DE2000/001799 patent/WO2000076679A1/de active IP Right Grant
- 2000-05-31 EP EP00943682A patent/EP1239977B1/de not_active Expired - Lifetime
- 2000-05-31 DE DE50002943T patent/DE50002943D1/de not_active Expired - Lifetime
- 2000-05-31 US US10/018,279 patent/US6755307B1/en not_active Expired - Fee Related
- 2000-05-31 AT AT00943682T patent/ATE245057T1/de active
- 2000-05-31 ES ES00943682T patent/ES2203493T3/es not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO0076679A1 * |
Also Published As
Publication number | Publication date |
---|---|
DK1239977T3 (da) | 2003-10-27 |
ES2203493T3 (es) | 2004-04-16 |
EP1239977B1 (de) | 2003-07-16 |
DE50002943D1 (de) | 2003-08-21 |
US6755307B1 (en) | 2004-06-29 |
ATE245057T1 (de) | 2003-08-15 |
WO2000076679A1 (de) | 2000-12-21 |
DE19927551C1 (de) | 2000-06-21 |
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