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EP0865319B1 - Separateur des matieres legeres du sable et du gravier - Google Patents

Separateur des matieres legeres du sable et du gravier Download PDF

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Publication number
EP0865319B1
EP0865319B1 EP96945701A EP96945701A EP0865319B1 EP 0865319 B1 EP0865319 B1 EP 0865319B1 EP 96945701 A EP96945701 A EP 96945701A EP 96945701 A EP96945701 A EP 96945701A EP 0865319 B1 EP0865319 B1 EP 0865319B1
Authority
EP
European Patent Office
Prior art keywords
overflow
disposed
inner chamber
feed
face
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
Application number
EP96945701A
Other languages
German (de)
English (en)
Other versions
EP0865319A2 (fr
Inventor
Andreas Jungmann
Walter Strangalies
Thomas Neumann
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.)
Allmineral Aufbereitungstechnik GmbH and Co KG
Original Assignee
Allmineral Aufbereitungstechnik GmbH and Co KG
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 Allmineral Aufbereitungstechnik GmbH and Co KG filed Critical Allmineral Aufbereitungstechnik GmbH and Co KG
Publication of EP0865319A2 publication Critical patent/EP0865319A2/fr
Application granted granted Critical
Publication of EP0865319B1 publication Critical patent/EP0865319B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B11/00—Feed or discharge devices integral with washing or wet-separating equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
    • B03B5/62—Washing granular, powdered or lumpy materials; Wet separating by hydraulic classifiers, e.g. of launder, tank, spiral or helical chute concentrator type

Definitions

  • the invention relates to a device for separating Light materials from mineral raw materials, especially from Sand and gravel, with a loading arrangement for the Raw material feed, one of the separation of the coarse sand serving inner chamber as coarse sand room and with an over an overflow designed as an inclined surface to the Coarse sand room connected, sorting the fine sand according to the fluidized bed outer chamber as Fine sand room and one associated with the outer chamber Overflow for the light materials, the task arrangement one centered over one in the inner chamber arranged and leaving an outer annular gap Impact body ending feed tube includes.
  • a generic device is in EP 0 508 335 A2 described; with the configuration described known device the pretreatment of the Avoid raw material feed so that an immediate Feeding of extraction or pre-screening coming raw material in the separator is possible.
  • large amounts of water can occur adversely affect the task, since such large Water volumes heavily load the coarse sand area and either too coarse material in the fine sand room transport or also fine sand shares over the Take the fine sand room with you into the light material overflow.
  • the invention is therefore based on the object Device with the generic features in this way improve that with the material feed, even suddenly, larger amounts of water entering the separator are manageable without the separation success of the device is impaired.
  • Feed pipe an eccentrically arranged inlet to the tangential flushing of the raw material task and at its the end facing away from the impact body has an overflow channel and a the space between the end of the feed tube and the impact body bridging and in the pipe axis adjustable perforated basket for setting the Flow resistance is arranged, depending from the one set via the position of the perforated basket Separation cut of the overflow of the feed arrangement Overflow channel with the fine sand room or alternatively with the Material overflow is connected.
  • the grain size the one that gets into the overflow channel with the excess water Solid particle is over the additionally between the end the feed tube and the impact body arranged perforated basket adjustable, with the help of which the flow resistance for the raw material entry as a measure for the separation cut of the cyclone-like inlet defining back pressure is adjustable.
  • the overflow channel either be connected to the fine sand area, with which the The advantage is that a good application with a partial relief of the coarse sand area from the Fine sand is applied, or the overflow channel can be directly connected to the light material overflow, so the excess water including the mud-like Fine components relieving both the coarse sand and the fine sand area is also derived directly.
  • the overflow channel connected to the fine sand room is according to an embodiment of the invention provided that the overflow channel to the coarse sand space facing end of the inclined overflow surface between Inner chamber and outer chamber is connected.
  • the ends of the individual plates each an equal distance from Have trough surface and the opposite ends of the Plates arranged in a horizontal plane and by one spaced enclosures are enclosed.
  • the separator consists of a cylindrical inner chamber 10 with a feed arrangement 11.
  • the inner chamber 10 has one at its lower end tapered withdrawal area 12 with a controllable deduction 13, which via a mechanism 14 too is press; as not shown, are on the outside Circumference of the inner chamber 10 feed lines for the supply of Arranged underwater.
  • the inner chamber 10 with a ring surrounding it at a distance is one
  • the outer chamber 23 is arranged, the inner wall 24 of which Surrounds outer wall 20 of the inner chamber 10 at a distance.
  • Outer chamber 23 This distance between the inner chamber 10 and outer chamber 23 is bridged by an overflow called as Outer chamber 23 formed inclined overflow surface 26 is.
  • a nozzle base 27 is arranged in the outer chamber 23, the individual in a manner not shown Segments, with each individual segment of the Nozzle base 27 a via a mechanism 29 or associated electronics controlled discharge member 30.
  • the outer chamber 23 with an inlet 31 for the provide the required underwater.
  • At the top of the Outer chamber 23 includes an overflow 32 with trigger 33 for the Overflow water and the washed out light substances.
  • the task arrangement 11 consists of a centrically above the Inner chamber 10 arranged feed tube 15, which is longitudinally displaceable. Inside the Feed tube 15 is in the illustrated Embodiment arranged a feed pipe 16, which an inlet arranged eccentrically to its central axis 17 for tangential flushing of the raw material feed having.
  • the separation grain size in the Feeder 11 set at about 0.5 mm what at the same time the grain size between the coarse sands and corresponds to the fine sands, so the excess water with fine sand components to the pipe socket 43; of the The rest of the raw material feed passes through the feed pipe 16 on the impact body 19 and spread over this until it arrives in the annular gap 21, where there depending on the set flow rate a Grain size separation of the raw material feed at a Grain size between 2 mm and about 0.5 mm results.
  • the coarse sands with a grain size of more than 0.5 mm sink into the discharge area 12 of the inner chamber 10 as Coarse sand area and are deducted 13 in regulated form.

Landscapes

  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
  • Cyclones (AREA)
  • Combined Means For Separation Of Solids (AREA)

Claims (5)

  1. Dispositif pour séparer des substances légères de matières brutes minérales, en particulier de sable et de gravier, comportant un dispositif pour le chargement de matière brute, une chambre intérieure servant à la séparation du sable grossier, en tant que chambre de sable grossier, et une chambre extérieure reliée à la chambre de sable grossier par l'intermédiaire d'un trop-plein réalisé comme surface inclinée et servant au tri de sable fin selon le procédé à lit fluidisé, en tant que chambre de sable fin, ainsi qu'un trop-plein affecté à la chambre extérieure pour les substances légères, le dispositif de chargement comprenant un tuyau de chargement se terminant au centre au-dessus d'un corps de rebondissement disposé au centre de la chambre intérieure et laissant libre une fente annulaire extérieure, caractérisé en ce que le tuyau de chargement (15) présente une entrée (17) disposée de façon excentrique pour l'introduction tangentielle du chargement de matière brute et, sur son extrémité opposée au corps de rebondissement (19), un canal de trop-plein (42) et en ce qu'un panier à trous (55) recouvrant l'espace intermédiaire entre l'extrémité du tuyau de chargement (15) et le corps de rebondissement (19) et réglable dans l'axe du tuyau est disposé pour le réglage de la résistance hydrodynamique, le canal de trop-plein (42) étant relié à la chambre de sable fin (23) ou alternativement au trop-plein de substances légères (32) en fonction du degré de séparation -réglé par l'intermédiaire de la position du panier à trous (55)- du trop-plein du dispositif de chargement (11).
  2. Dispositif selon la revendication 1, caractérisé en ce que le canal de trop-plein (42) est relié à l'extrémité tournée vers la chambre de sable grossier (10) de la surface de trop-plein (26) inclinée entre la chambre intérieure (10) et la chambre extérieure (23).
  3. Dispositif selon la revendication 1, caractérisé en ce que, entre le canal de trop-plein (42) du dispositif de chargement (11) et la surface de trop-plein (26) inclinée se trouvant entre la chambre intérieure (10) et la chambre extérieure (23), est disposée une zone de sédimentation comportant une surface en forme d'auge (46) adjacente au canal de trop-plein (42) et inclinée vers le bas en direction de la surface de trop-plein (26) ainsi que plusieurs plaques (47) disposées en biais par rapport à la surface en forme d'auge (46) et parallèles l'une à l'autre en substance transversalement par rapport au sens d'écoulement du trop-plein, la dernière plaque dans le sens d'écoulement du trop-plein étant réalisée comme trop-plein (50) reliée au trop-plein des substances légères (32).
  4. Dispositif selon la revendication 3, caractérisé en ce que les extrémités tournées vers la surface en forme d'auge (46) des différentes plaques (47) présentent respectivement une distance identique par rapport à la surface en forme d'auge (46) et en ce que les extrémités opposées des plaques (47) sont disposées dans un plan horizontal et sont entourées par un boítier (52) à distance de celles-ci.
  5. Dispositif selon la revendication 3 ou 4 dans lequel la chambre de sable fin et le trop-plein de substances légères entourent comme un anneau la chambre de sable grossier disposée au centre et le dispositif de chargement, caractérisé en ce que le canal de trop-plein (42) et la zone de sédimentation avec la surface en forme d'auge (46) sont disposés selon une forme circulaire et en ce que les plaques (47) sont disposées dans une position radiale et selon une courbe circulaire.
EP96945701A 1995-11-02 1996-10-29 Separateur des matieres legeres du sable et du gravier Expired - Lifetime EP0865319B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19540644 1995-11-02
DE19540644A DE19540644C1 (de) 1995-11-02 1995-11-02 Vorrichtung zum Abscheiden von Leichtstoffen aus mineralischen Rohstoffen
PCT/DE1996/002081 WO1997016253A2 (fr) 1995-11-02 1996-10-29 Separateur des matieres legeres du sable et du gravier

Publications (2)

Publication Number Publication Date
EP0865319A2 EP0865319A2 (fr) 1998-09-23
EP0865319B1 true EP0865319B1 (fr) 1999-08-18

Family

ID=7776326

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96945701A Expired - Lifetime EP0865319B1 (fr) 1995-11-02 1996-10-29 Separateur des matieres legeres du sable et du gravier

Country Status (9)

Country Link
US (1) US6036028A (fr)
EP (1) EP0865319B1 (fr)
AT (1) ATE183410T1 (fr)
AU (1) AU701460B2 (fr)
BR (1) BR9611297A (fr)
DE (2) DE19540644C1 (fr)
PL (1) PL182389B1 (fr)
WO (1) WO1997016253A2 (fr)
ZA (1) ZA969207B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6758343B1 (en) * 1999-06-02 2004-07-06 Weir Slurry Group, Inc. Dual hydro-cyclone with water injection
US6752274B2 (en) 2002-02-15 2004-06-22 David Mirras Log washer with staggered paddles
US6889842B2 (en) 2002-03-26 2005-05-10 Lewis M. Carter Manufacturing Co. Apparatus and method for dry beneficiation of coal
DE102006013627B4 (de) * 2006-03-22 2009-07-30 Bernhard Brameier Siebvorrichtung und System zur Aufbereitung von Sand
DK176211B1 (da) * 2006-03-24 2007-02-05 Smidth As F L Cyklonseparator
DE102009033476A1 (de) * 2009-07-17 2011-01-27 Lösel, Kai Verfahren zur Gewinnung von Schwergutfeinpartikeln aus einem Sandaustrag einer Nassklassiereinrichtung und Vorrichtung dazu
CN101850293B (zh) * 2010-04-23 2013-02-13 中国矿业大学 脱泥型液固流化床粗煤泥分选分级装置
CN106513161B (zh) * 2016-11-03 2018-11-16 中国矿业大学(北京) 一种内置倾斜板的变径分选流化床
CN109317318A (zh) * 2018-10-11 2019-02-12 山西汇永青峰选煤工程技术有限公司 一种高密度分选重介旋流器
CN111921461A (zh) * 2020-07-06 2020-11-13 安徽凤砂矿业集团有限公司 一种流化床

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3061098A (en) * 1960-07-18 1962-10-30 Beloit Iron Works Centrifugal classifier and stock cleaner
FR84643E (fr) * 1962-12-07 1965-03-19 Grenobloise Etude Appl Procédé et appareil pour le triage de deux ou plusieurs matériaux
AT244885B (de) * 1964-02-21 1966-01-25 Hubert Dipl Kfm Dr Heigl Eindick- und Klassiervorrichtung
US3905894A (en) * 1973-10-02 1975-09-16 Murskauskone Oy Apparatus for wet fine screening
SU645704A1 (ru) * 1977-03-09 1979-02-05 Ленинградский Институт Водного Транспорта Гидравлический классификатор
CH629119A5 (de) * 1978-07-14 1982-04-15 Foerderung Forschung Gmbh Vorrichtung zum trennen von gemengen aus feststoffteilchen verschiedener dichte.
US4352732A (en) * 1980-01-23 1982-10-05 Kelsey-Hayes Co. Flotation system
DE3427395A1 (de) * 1984-07-25 1986-02-06 Werner Prof. Dr.-Ing. 2150 Buxtehude Bauer Verfahren zur abscheidung von verunreinigungen aus problemschlaemmen und vorrichtung zur durchfuehrung dieses verfahrens
DE3432739A1 (de) * 1984-09-06 1986-03-13 Adam Opel AG, 6090 Rüsselsheim Kraftfahrzeug
CA1315703C (fr) * 1989-09-29 1993-04-06 Robert Cyr Appareil pour le traitement par decantation d'un liquide contenant des matieres en suspension
GB2238493B (en) * 1989-11-28 1993-05-26 Orkney Water Test Centre Limit A method of regulating the overflow from a cyclone,hydrocyclone or similar device
DE59209400D1 (de) * 1991-04-09 1998-08-13 Allmineral Aufbereitungstech Vorrichtung zum Abscheiden von Leichtstoffen aus Sand und Kies
IT1255075B (it) * 1992-04-01 1995-10-18 Sorema Srl Apparecchio per la separazione di materiale di varia natura di piccola pezzatura o in foglie

Also Published As

Publication number Publication date
PL326488A1 (en) 1998-09-28
BR9611297A (pt) 2000-01-18
WO1997016253A3 (fr) 1997-07-03
AU1765397A (en) 1997-05-22
DE19540644C1 (de) 1997-04-03
WO1997016253A2 (fr) 1997-05-09
ZA969207B (en) 1997-06-03
US6036028A (en) 2000-03-14
DE59602823D1 (de) 1999-09-23
PL182389B1 (pl) 2001-12-31
AU701460B2 (en) 1999-01-28
EP0865319A2 (fr) 1998-09-23
ATE183410T1 (de) 1999-09-15

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