EP0391324B1 - Trieuse par vibration - Google Patents

Trieuse par vibration Download PDF

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Publication number
EP0391324B1
EP0391324B1 EP90106324A EP90106324A EP0391324B1 EP 0391324 B1 EP0391324 B1 EP 0391324B1 EP 90106324 A EP90106324 A EP 90106324A EP 90106324 A EP90106324 A EP 90106324A EP 0391324 B1 EP0391324 B1 EP 0391324B1
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EP
European Patent Office
Prior art keywords
trough
discharge
floor
classifier according
bottom area
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
EP90106324A
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German (de)
English (en)
Other versions
EP0391324A1 (fr
Inventor
Hans Korn
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.)
DIETMAR KORN
GUIDO KORN
MONIKA KORN
ThyssenKrupp Industrial Solutions AG
Original Assignee
Ibag-M& f Gesellschaft fur Aufbereitungs- und Fordertechnik Mbh
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Application filed by Ibag-M& f Gesellschaft fur Aufbereitungs- und Fordertechnik Mbh filed Critical Ibag-M& f Gesellschaft fur Aufbereitungs- und Fordertechnik Mbh
Publication of EP0391324A1 publication Critical patent/EP0391324A1/fr
Application granted granted Critical
Publication of EP0391324B1 publication Critical patent/EP0391324B1/fr
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    • 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
    • B03B5/623—Upward current classifiers
    • 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
    • B03B9/00—General arrangement of separating plant, e.g. flow sheets

Definitions

  • the invention relates to a vibrating sorter for the wet processing of sand, gravel, recycling building materials and the like according to the preamble of claim 1.
  • Sand and gravel from natural sources contain humic or other impurities as well as wood and carbonized material.
  • the specific weight of these impurities is between 1.1 and 1.6 g / cm3. Deposits below the groundwater zone are particularly affected, so that especially wet dredging operations have to solve special treatment problems. These are based on the requirement of the construction industry that the organic components must not exceed a certain limit.
  • a further requirement of the construction industry for quality sands according to DIN consists in the fact that slurrable components smaller than 63 ⁇ m and fine components with a grain size below 250 ⁇ m must not exceed a certain percentage.
  • EP-A-0 240 030 discloses an apparatus for cleaning, discharging and dewatering debris from contaminated solid-water mixtures. She owns one trough-like trough which is filled with washing liquid up to an overflow provided at one end and has a transport trough pulled up over the washing liquid level at its other end.
  • the trough-like trough can be vibrated either with a washing pulsator or with a conveying pulsator.
  • the transport track is equipped with a vibration device that improves the dewatering of the discharged solids. Wash showers improve the discharge of foreign substances that float on the water surface.
  • This device has considerable disadvantages in practical operation. Due to the continuous vibration of the trough-like trough, the light / fine materials settle at the bottom, while the heavy / coarse materials settle at the top. The fine / light material is buried under the coarse / heavy material and therefore cannot be washed out.
  • FR-A-24 87 699 suggests filling the tub-like trough with a suspension of water and bentonite instead of water.
  • the specific weight of such a suspension is higher than that of water. This allows materials with a density greater than that of water to float in the suspension. It is a flotation.
  • this device requires a separate pump circuit which requires the suspension. Furthermore, this device is only suitable for the flotation of lumpy materials. When trying to process raw sand or rubble, their fine constituents would contaminate the bentonite, causing the density of the resulting water-bentonite-sand suspension to decrease would change continuously in an uncontrolled manner.
  • DE-A-29 24 306 shows a device for washing gold from deposits containing sand and gravel. It has a trough, the contents of which are mixed together by water jets and agitators. A vibratory drive is not provided, so that the heavy materials settle on the bottom of the trough, where they are removed through a lock.
  • CH-A-666 826 shows a combination plant for the treatment of water, sand, gravel and foreign matter deposits.
  • the system comprises a vibrating classifier with a water-filled trough on a first supporting frame and a hydrocyclone and a fluidized bed apparatus on a second supporting frame.
  • the wash ware leaving the vibrating classifier is additionally classified in the hydrocyclone and in the fluidized bed apparatus.
  • the separating cut can be influenced by the height of the bed. To do this, the height of the outlet for the floating components must be changed. However, the possibility of tipping the trough about its transverse axis is particularly time-consuming to assemble. It has therefore already been proposed to screw on or unscrew more or less high dust sheets at the outlet for the floating components.
  • the present invention has for its object to further develop a vibrating sorter of the type mentioned with a water-filled trough-like trough so that the sorting result, i. H. the removal of unwanted contaminants is improved.
  • the formation of at least a portion of the floor area in the area of the riser bed as an upflow floor with pressurized water feed creates an upflow zone which also swirls up impurities trapped in the lower layers of the riser bed and keeps it suspended in the upward flow until it flows with the water flow to the Outlet for the swimming components are promoted.
  • the strength of the upflow can be regulated by the amount of water and water pressure.
  • the conveyance of the finished goods caused by the vibrations of the trough is not hindered by the upflow zone. Thanks to the blind floor section in between, the bed can calm down and homogenize.
  • the upflow floor is divided into walls by transverse walls, the water supply of which can be adjusted via a valve.
  • the length and thickness of the upflow zone can be adapted in sections to the different depths of the setting bed and to the progressive classification of the goods to be sorted.
  • Damming strips can preferably be arranged transversely to the conveying direction in the area of the drainage slit bottom. These promote the drainage effect, so that the finished goods are sufficiently dry to be transported without leaving the drainage after leaving the trough. To further influence the finished goods on their way through the drainage zone, an elastic curtain can be hung, which also contributes to better drainage
  • the bottom surface of the trough in the area of the discharge for the floating components is designed as a flap which can be pivoted about a transverse axis. That mouth is sealed against the bottom surface and the side walls of the trough.
  • This sealing is effected according to a preferred embodiment of the invention in that the flap is covered with a covering which has elastic sealing lips on the side. Rubber or plastics are suitable as coverings with sealing lips.
  • the entire floor area extending from the deepest point of the trough to the outlet for the floating components can be designed as a blind floor. This simplifies and reduces the cost of construction. Thanks to the upflow classification in the area of the upflow floor, this is also possible without disadvantages in terms of process technology.
  • Fig. 1 shows schematically a longitudinal section through a vibrating sorter.
  • brackets 2 are mounted on a stable frame 1, each of which carries spring assemblies 3.
  • a trough-shaped trough 5 is set up on these spring assemblies 3 by means of brackets 4. From the lowest point 6 of the trough 5, a floor surface 7 extends to an outlet 9 for floating components and a further floor surface 8 to an outlet 10 for finished goods.
  • a trough 12 which collects water and floating components, is preferably mounted under the trough 5.
  • This tub 12 can also be divided to collect water from the drainage section separately from water from the outlet 9.
  • a special collecting device 13 can be seen under the outlet 10 for the finished goods.
  • the sorted goods are z. B. conveyed up via a belt conveyor 15 and abandoned via a feed device 14 in a manner known per se in the region of the deepest point 6 of the tub 5, the feed direction being opposite to the conveying direction of the finished goods.
  • a drive 16 with rotating unbalances causes the trough 5 to vibrate in a known manner, the strength and direction of which can be adjusted.
  • a part of the bottom 8 in the region of the setting bed 0.1 is designed as an upflow bottom 21, which is explained in more detail with reference to FIG. 2.
  • An upflow zone 0.4 is formed in this area of the setting bed 0.1.
  • the upstream zone 0.4 can be used for certain tasks, e.g. B. gravel preparation, over the entire length of the set bed 0.1.
  • a blind bottom section 8.2 is provided in connection with the setting bed 0.1 or the upflow zone 0.4, so that a calming zone 0.2 is formed in the already quite flat setting bed.
  • the bottom 8 is designed as a slatted floor 8.1, so that a drainage zone 0.3 is formed here.
  • the finished product leaves the outlet 10 largely free of water.
  • damming strips 19 can be arranged transversely to the conveying direction, which support the drainage of the finished goods.
  • an spray device 17 which sprays fresh water against the direction of conveyance onto the material to be sorted, in order to flush any floating components that are still present back into the region of the setting bed 0.1.
  • This process is additionally supported by an elastic curtain 18, the free end of which rests on the items to be sorted.
  • the blind floor is designed as a flap 11 which can be pivoted about a transverse axis. This flap 11 is described in more detail with reference to FIG. 3.
  • the length and inclination of the bottom 7 between the deepest point 6 of the trough 5 and the outlet 9 for floating components are to be matched to the material to be sorted.
  • Fig. 2 shows the complete upflow floor 21. This is formed by a sheet 23, which rests on a series of stable cross members 22. Above the base plate 23 there are transverse walls 27 which are covered from above by a nozzle covering 29 equipped with fine nozzles, preferably made of an abrasion-resistant material such as plastic, rubber or steel, whereby chambers 28 are created. Pressurized water pipes 24 are introduced into these chambers 28 from below. Each pressurized water pipe 24 is equipped with its own valve 25 and is supplied by a common pressurized water line 26. In this way, the upflow zone 0.4 can be regulated individually in each chamber, so that all impurities contained in the deeper layers of the riser bed actually float up.
  • Fig. 3 shows the bottom construction of the trough 5 in the area of the discharge 9 for the floating components.
  • the blind floor 7 consists of sections 7.1, 7.2, 7.3 which are interchangeable in sections and are interchangeably fastened on cross members 30.
  • the base parts 7.1, 7.2, 7.3 are preferably made of an elastic, abrasion-resistant material such as plastic or rubber. This applies in any case to the final component 7.3, since it has a sealing function.
  • the flap 11 pivotally attached to a transverse axis 31.
  • the free end of the flap 11 is equipped with a cross member 36, the fastening of which ends in the transverse walls of the trough 5.
  • the top of the flap 11 is covered with a rubber or plastic covering 32. To increase the mechanical stability, this is provided with a metal insert 33 and is interchangeably screwed to the flap 11 with the aid of countersunk screws 34.
  • the covering 32 is provided on its longitudinal edges with elastic sealing lips 35. These lie on the side walls of the trough 5 and thus prevent the undesired drainage of water and floating components.
  • the vibrating sorter can be adapted to the most varied of tasks in order to achieve a perfectly sorted and classified Finished goods.

Landscapes

  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Feeding Of Articles To Conveyors (AREA)
  • Sorting Of Articles (AREA)

Claims (8)

  1. Trieuse par vibrations, pour la préparation par voie humide de sable, gravier, matériaux de construction de recyclage et analogues, avec une auge (5) en forme de cuve, posée ou accrochée élastiquement, dont depuis l'endroit le plus bas (6), en direction des deux côtés, des faces de fond (7,8) montant de façon relativement abrupte sont garnies, partiellement de fonds pleins (7.1, 7.2, 8.2), partiellement de fonds à fentes (8.1) et se terminent, d'une part, par une évacuation (10) pour le produit terminé, d'autre part, par une évacuation (9) pour les composants flottants, avec un entraînement vibrant (16) pour l'auge (5) et avec un dispositif d'alimentation (14), pour le mélange à trier, caractérisée en ce que dans la face de fond (8) s'étendant du point le plus bas (6) de l'auge (5) vers l'évacuation (10) du produit terminé est inséré un fond à courant de sustentation (21), avec une alimentation en eau sous pression (24, 25, 26) et en ce qu'entre le fond à courant de sustentation (21) et le fond à fentes (8.1), l'éliminant l'eau du produit terminé est insérée une section de fond plein (8.2), de manière à tranquilliser l'eau.
  2. Trieuse par vibrations selon la Revendication 1.- caractérisée en ce que les buses du fond à courant de sustentation (21) sont très fines et de préférence réalisées sous forme de fentes.
  3. Trieuse par vibrations selon la Revendication 1 ou 2.- caractérisée en ce que le fond à courant de sustentation (21) est subdivisé au moyen de parois transversales (27) en chambres (28) dont l'amenée d'eau (24) est réglable individuellement au moyen d'une valve (25).
  4. Trieuse par vibrations selon l'une des Revendications 1.- à 3.-, caractériséeen ce que, dans la zone située entre le fond à courant de sustentation (21) et le fond à fente (8.1) est disposé un dispositif d'arrosage (17), dont la direction de jets est orientée vers le lit de lavage (0.1)
  5. Trieuse par vibrations selon l'une des Revendications 1.- à 4.-, caractérisée en ce que, dans la zone située dans le fond à fentes (8.1), transversalement par rapport à la direction de transport, sont disposées des bandes-déversoirs (19), respectivement est disposé un rideau élastique (18).
  6. Trieuse par vibrations selon l'une des Revendications 1.- à 5.-, caractérisée en ce que la face de fond (7) de l'auge (5) est réalisée, dans la zone de l'évacuation (9) pour les composants flottants, sous forme d'un volet (11) susceptible de pivoter autour d'un axe transversal (31).
  7. Trieuse par vibrations selon la Revendication 6.-, caractérisée en ce que le volet (11) est isolé de façon étanche par rapport à la face de fond (7) et aux parois latérales de l'auge (5) et pourvu d'un revêtement (32), par exemple en caoutchouc ou en matière synthétique, présentant des lèvres d'étanchéité (35) élastiques latéralement.
  8. Trieuse par vibrations selon l'une des Revendications 1.- à 7.-, caractériséeen ce que l'ensemble de la face de fond (7), s'étendant du point le plus bas (6) de l'auge à l'évacuation (9) des composants flottants est réalisé sous forme de fond plein.
EP90106324A 1989-04-07 1990-04-03 Trieuse par vibration Expired - Lifetime EP0391324B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3911369A DE3911369A1 (de) 1989-04-07 1989-04-07 Schwingsortierer
DE3911369 1989-04-07

Publications (2)

Publication Number Publication Date
EP0391324A1 EP0391324A1 (fr) 1990-10-10
EP0391324B1 true EP0391324B1 (fr) 1993-09-29

Family

ID=6378136

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90106324A Expired - Lifetime EP0391324B1 (fr) 1989-04-07 1990-04-03 Trieuse par vibration

Country Status (5)

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EP (1) EP0391324B1 (fr)
AT (1) ATE95082T1 (fr)
DD (1) DD296856A5 (fr)
DE (2) DE3911369A1 (fr)
DK (1) DK0391324T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1806181A1 (fr) * 2006-01-09 2007-07-11 Simatec GmbH Procédé et dispositif destinés à la préparation de graviers, de sable ou analogues
WO2014144712A1 (fr) * 2013-03-15 2014-09-18 Biochemics, Inc. Formulations topiques et méthodes d'administration de médicament
CN106622627B (zh) * 2017-01-14 2019-08-23 泰富重工制造有限公司 一种洗砂机

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2924306A1 (de) * 1979-06-15 1980-12-18 Manfred Braeuer Verfahren und vorrichtung zur aussortierung von schwermetallen, insbesondere von gold aus sand- und kieshaltigen lagerstaetten
DE3013668C2 (de) * 1980-04-09 1982-11-18 Schauenburg Maschinen- und Anlagen-Bau GmbH, 4330 Mülheim Vorrichtung für die Naßaufbereitung und Entwässerung von Sand
FR2487699A1 (fr) * 1980-07-31 1982-02-05 Remex Sa Appareil de separation en deux flux de sortie de densites differentes un melange constitue d'une pluralite de matieres solides
DE8500896U1 (de) * 1985-01-16 1985-04-11 Kreyenberg, Heiner, Dipl.-Ing., 4030 Ratingen Vorrichtung zur behandlung von gewaesserablagerungen
DE3611235C1 (de) * 1986-04-04 1987-02-19 Paul Boehringer Entwaesserungsmaschine

Also Published As

Publication number Publication date
ATE95082T1 (de) 1993-10-15
DD296856A5 (de) 1991-12-19
DK0391324T3 (da) 1994-02-07
DE59002873D1 (de) 1993-11-04
DE3911369A1 (de) 1990-10-11
EP0391324A1 (fr) 1990-10-10

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