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WO2012146974A1 - Dispositif et procédé de traitement des résidus d'un broyeur - Google Patents

Dispositif et procédé de traitement des résidus d'un broyeur Download PDF

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Publication number
WO2012146974A1
WO2012146974A1 PCT/IB2012/000819 IB2012000819W WO2012146974A1 WO 2012146974 A1 WO2012146974 A1 WO 2012146974A1 IB 2012000819 W IB2012000819 W IB 2012000819W WO 2012146974 A1 WO2012146974 A1 WO 2012146974A1
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WO
WIPO (PCT)
Prior art keywords
fraction
fractions
drop
dimensions
heavy
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.)
Ceased
Application number
PCT/IB2012/000819
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English (en)
Inventor
Ivo DESMYTER
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.)
AD REM NV
Original Assignee
AD REM NV
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 AD REM NV filed Critical AD REM NV
Publication of WO2012146974A1 publication Critical patent/WO2012146974A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
    • 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
    • B03B9/06—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse
    • B03B9/061—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse the refuse being industrial
    • 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
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/16—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts
    • B03C1/18—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts with magnets moving during operation
    • 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
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/23—Magnetic separation acting directly on the substance being separated with material carried by oscillating fields; with material carried by travelling fields, e.g. generated by stationary magnetic coils; Eddy-current separators, e.g. sliding ramp
    • B03C1/24—Magnetic separation acting directly on the substance being separated with material carried by oscillating fields; with material carried by travelling fields, e.g. generated by stationary magnetic coils; Eddy-current separators, e.g. sliding ramp with material carried by travelling fields
    • B03C1/247—Magnetic separation acting directly on the substance being separated with material carried by oscillating fields; with material carried by travelling fields, e.g. generated by stationary magnetic coils; Eddy-current separators, e.g. sliding ramp with material carried by travelling fields obtained by a rotating magnetic drum
    • 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
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/32—Magnetic separation acting on the medium containing the substance being separated, e.g. magneto-gravimetric-, magnetohydrostatic-, or magnetohydrodynamic separation
    • 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
    • B07B1/12—Apparatus having only parallel elements
    • B07B1/14—Roller screens
    • B07B1/15—Roller screens using corrugated, grooved or ribbed rollers
    • 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
    • B03B9/06—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse
    • B03B2009/068—Specific treatment of shredder light fraction
    • 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
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00—Details of magnetic or electrostatic separation
    • B03C2201/20—Magnetic separation of bulk or dry particles in mixtures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly

Definitions

  • the present invention relates, on the one hand, to a device for separating Shredder Light Fraction (SLF) and Shredder Heavy Fraction Eddy Current drops (SHFEC drops) into several fractions, as described in the preamble of the first claim.
  • the present invention relates to a method for separating SLF and SHFEC drops into several fractions.
  • a typical shredder installation comprises a supply system, the hammer mill, an air- treatment system to remove all light pollutants (the so-called Shredder Light Fraction (SLF)), a magnet system to separate the iron (ferro) from the non-ferro (heavy fraction).
  • SHF Shredder Light Fraction
  • the heavy fraction is usually separated into an aluminium/magnesium fraction and a heavy fraction which is insensitive to eddy currents (SHFEC drops) by means of an eddy current separator.
  • the abovementioned devices are connected to various conveying systems (devices).
  • the various fractions emanating from the shredder installation may be subjected to several further sorting stages in order to produce various subtractions for further recycling and re-use.
  • the shredder light fraction emanates from the air-treatment system of the shredder and substantially comprises extracted shredder residue, such as for example carpets, textiles, foam rubber, films, foils, plastics, rubber, thin-walled and wiry metal objects, electrical wiring, small mineral objects, iron dust, corrosion dust and other dust, and the like.
  • the shredder heavy fraction which is insensitive to eddy current emanates from the eddy current separator and substantially comprises plastics and other organic material. This fraction also comprises a percentage of heavy metals such as bronze, copper, stainless steel, electrical wiring, etc.
  • the present invention relates to a device for separating these two fractions (SLF and SHFEC drops) into various subtractions.
  • SLF and SHFEC drops are carried out using various separate components (devices).
  • Conveying systems generally conveyor belts, are situated in each case between the separate components and convey the material streams from one component to another component.
  • Fig. 1 is a diagrammatic illustration of a known arrangement.
  • SLF and SHFED drops with dimensions of at most ⁇ 200 mm are supplied via a conveying system, such as for example a conveyor belt (101), to a screen device (102) which separates the material into two fractions.
  • a conveying system (103) located underneath collects the small pieces (having dimensions of at most ⁇ 50 mm) which fall through the openings of the screen device (102), and transfers these to another conveying system (104) which supplies the material to a vibrating screen (105).
  • Free fine particles which have not become stuck in cavities and holes or larger porous pieces (mainly iron dust, corrosion dust, mineral dust particles and sand particles having dimensions of at most ⁇ 6 mm) pass through the vibrating screen (105), while the pieces which are larger than the screen openings of the vibrating screen (105) move across the screen surface and collect on a conveying system (106) which will supply these pieces to a first air separator (107).
  • the first air separator (107) separates the material into a light (D) and heavy fraction (E) which are referred to in the specialist field as "Light Fraction Small” (D) and "Heavy Fraction Small” (E).
  • the finest particles (C) which pass through the vibrating screen (105) are referred to in the specialist field as Mineral Fraction (C).
  • Material (having dimensions in the range from ⁇ 50 to ⁇ 200 mm) which does not pass through the screen openings of the screen device (102) moves through the screen device and collects on a conveying system (108) situated underneath which supplies these pieces to a second air separator (109).
  • This second air separator (109) separates the material into a light fraction (A) and a heavy fraction (B) which are referred to in the specialist field as "Light Fraction Large” (A) and "Heavy Fraction Large” (B).
  • lighter fractions (A and D) Light Fraction Large and Light Fraction Small
  • the heavy fractions (B and E) can be separated further by means of other techniques.
  • the known installations have the significant drawback that they take up a very large amount of space. For example, a standard installation with a processing capacity of 30 tons/hour requires a surface area of approximately 1500 m 2 .
  • the known installations cause large dust emissions, mainly due to the conveying operations between the various devices which form part of the installation. Obviously, this is detrimental to the surroundings, the environment and ultimately to the operator of the installation. In order to limit the emission of dust as much as possible, a partial vacuum is applied to the known installations by means of an extraction device. These installations are not sufficiently able to completely prevent the emission of dust.
  • due to the large distances between the various components of the installation the initial investment costs and operating costs for such an installation are considerable.
  • an extraction device for the known installations requires a large network of pipes and extraction points, which also leads to high costs.
  • German patent publication DE 10 2004 045 821 Al also describes the known method for separating Shredder Light Fraction and Shredder Heavy Fraction Eddy Current drops into several fractions via a number of successive steps and by means of a number of known devices, such as, inter alia, vibrating screens and air separators.
  • this publication does not explain how the various devices are arranged with respect to each other and in which way they are connected to each other. It is now an object of the present invention to provide a more compact device which is improved, both in terms of environmental impact and in terms of cost price, and which, in addition, makes it possible to process the SLF and SHFED drops more efficiently with much less pollution (dust emission) in the immediate work environment and the surroundings and the environment in general.
  • the object of the invention is achieved by providing a device for separating SLF and SHFEC drops into several fractions, comprising:
  • a screen device suitable for separating the material supplied via the conveying system into a stream of drop fractions having dimensions of at most 50 mm, and a stream of non-drop fractions having dimensions from 50 mm to at most 200 mm;
  • a conveyor belt designed to receive the drop fraction from the screen device and to pass it on;
  • a vibrating screen which is suitable for separating the drop fraction passed on via the conveyor belt into fractions having a dimension of at most 6 mm, the so- called mineral fraction, and a stream of fractions with dimensions of at most 50 mm;
  • a first air separator designed to separate the stream of fractions with dimensions of at most 50 mm into a small light fraction and a small heavy fraction
  • a second air separator designed to separate said stream of non-drop fractions into a large light fraction and a large heavy fraction
  • said screen device is a disc screen which is designed to supply the non-drop fraction directly and dynamically to the second air separator, and in that the vibrating screen extends underneath the conveyor belt for the drop fraction, in which said conveyor belt is designed to supply the drop fraction directly to the vibrating screen situated underneath and in which the vibrating screen is designed to dynamically supply the stream of fractions having dimensions of at most 50 mm to the first air separator.
  • the term dynamically is understood to mean a material stream which is advanced with the pieces in the material stream temporarily separating (flying) due to the pieces in the material stream colliding with the conveying surfaces of the conveying device which provide the driving force for conveying the pieces.
  • the term “dynamically” means that pieces come away (fly) from the discs by colliding with the fast rotating discs and, in the context of a vibrating screen, the pieces come away from the vibrating screen deck due to the fact that the acceleration of the screen deck exceeds the earth's acceleration.
  • the non-drop fraction is supplied directly to the second air separator and, on the other hand, said conveyor belt is designed to supply the drop fraction directly to the vibrating screen situated underneath, far fewer conveying systems are required compared to the known devices for separating SLF and SHFEC drops, thus greatly reducing the emission of dust. As a result of the fact that fewer conveying systems are required between the internal pieces of the device, said device can be designed much more compact and efficient.
  • said device furthermore comprises a first and second magnet roller, in which the first magnet roller is designed to separate the small heavy fraction into a small heavy iron and iron- and corrosion dust-contaminated pieces fraction and a small heavy pure non- ferro fraction, and in which the second magnet roller is designed to separate the large heavy fraction into a large heavy iron and iron- and corrosion dust-contaminated pieces fraction and a large heavy pure non-ferro fraction.
  • the magnet rollers used are preferably magnets which generate a field strength in a zone up to 30 mm around the sleeve of the magnetic roller with a flux density of at least 5000 Gauss, in particular a flux density in the range between 5000 Gauss and 10,000 Gauss, more particularly a flux density of 9000 Gauss.
  • the small heavy fraction is supplied to the first magnet roller via a first conveying unit, and in that the large heavy fraction is supplied to the second magnet roller via a second conveying unit.
  • the first and second conveying unit preferably comprise two rotatable rollers, in particular a top roller and an end roller, around which a conveyor belt is fitted.
  • the first and second conveying unit are a vibrating trough.
  • said magnet rollers are transfer magnet rollers.
  • the first and second conveying unit comprise at least two rollers around which a conveyor belt is fitted and said magnet roller is designed as a roller of the conveying unit.
  • the width of the vibrating screen is at least equal to the width of the outlet opening of the conveyor belt for the drop fraction. This has the considerable advantage that the material is supplied to the vibrating screen in a smooth and uniform way, in which the vibrating screen is used in an optimum manner across the entire width right from the start zone.
  • said conveying system is a feed belt, and a vibrating trough is provided between the feed belt and the screen device. It is the object of the vibrating trough to supply the material from a low height across the entire width of the disc screen in order to reduce local wear and thus to use (or wear down) the components of the disc screen in an optimum manner across the entire width.
  • said device is provided in one housing.
  • the walls of the internal pieces which form part of the installation adjoin one another in such a manner that together they form the general housing of the device.
  • the device according to the invention is much more compact than is the case with the prior art.
  • the housing is preferably a closed housing.
  • the housing offers the advantage that the stray losses are limited to an absolute minimum.
  • this apparatus Due to the small dimensions of the device, it is also possible to place this apparatus in a affordable external housing (shed), so that the emission of dust to the environment no longer occurs. In the waste disposal industry, this is also referred to as a closed environment which is sealed off from the surroundings.
  • the device furthermore comprises an extraction installation which is designed to apply a partial vacuum to the device. Due to the fact that a partial vacuum can be applied to the device, the stream of air from the device to the surroundings is virtually prevented.
  • the non-drop fraction is directly and dynamically supplied to the second air separator and i that said drop fraction is directly supplied to the vibrating screen situated underneath by means of the conveyor belt.
  • the method according to the present invention has the considerable advantage that the supplied material does not have to be conveyed over large distance in order to separate it, as a result of which much less dust will be released during processing of SLF and SHFEC drops.
  • the installation which uses such a method requires a lot less space.
  • the small heavy fraction is separated, by means of a first magnet roller, into a small heavy iron and iron- and corrosion dust-contaminated pieces fraction and a small heavy pure non-ferro fraction
  • the large heavy fraction is separated, by means of a second magnet roller, into a large heavy iron and iron- and corrosion dust-contaminated pieces fraction and a large heavy pure non-ferro fraction.
  • Fig. 1 shows a device for separating SLF and SHFEC drops into several fractions according to the prior art
  • Fig. 2 shows a device for separating SLF and SHFEC drops into several fractions according to the invention
  • Fig. 3 shows the stream of materials in the device.
  • the present invention relates to a device (8) for separating SLF and SHFEC drops into several fractions (A, B, C, D, E, F, G, H and I).
  • the names of the various fractions are based on their weight, dimensions and composition.
  • a first group contains (relatively large) material having dimensions in the range of approximately 50 to 200 mm. This group of material is separated into a relatively light (A) and relatively heavy fraction (B) by means of an air separator.
  • a second group (of relatively small) material having dimensions in the range of approximately 6 to 50 mm which is also separated into a relatively light (D) and relatively heavy (E) fraction by means of an air separator.
  • the latter group is the mineral fraction (C) which has dimensions of at most 6 mm and is, as the name and dimensions suggest, a mixture of mineral dust and sand.
  • the relatively heavy fractions (B and E) are separated by strong magnets, in particular magnet rollers, into heavy iron and iron- and corrosion dust-contaminated pieces fractions (F and G) and heavy pure non-ferro fractions (H and I).
  • the iron and iron- and corrosion dust-contaminated fractions consist of:
  • iron pieces in the form of wire and thin-walled sheet material which, due to their shape, end up in the SLF and SHFEC drops;
  • iron and iron- and corrosion dust-contaminated textiles foam rubber and other porous material pieces which are permeated by the iron and corrosion dust;
  • the iron and corrosion dust contamination in the porous pieces, such as textiles, is largely caused by the preceding shredder activity from which the SLF and SHFEC drops result.
  • the impact and friction between the hammers and anvil of the shredder and the material to be broken up produces pure iron dust and small iron chippings in addition to corrosion dust and the other larger broken pieces.
  • the small iron chippings, iron dust and corrosion dust are initially situated loosely between the other larger components which are in the process of being broken up in the shredder.
  • the small iron chippings, iron dust and corrosion dust come into contact with the porous textile, foam rubber and other porous material pieces.
  • the heavy iron and iron- and corrosion dust-contaminated pieces fractions (F and G) are processed further in a different manner than the heavy pure non-ferro fractions (H and I).
  • the heavy iron and iron- and corrosion dust-contaminated pieces fractions (F and G) contain pieces which are entangled with each other. The entangled pieces have to.be untangled. The purpose of comminuting them is to make it possible to correctly separate these into subtractions.
  • the heavy iron and iron- and corrosion dust-contaminated pieces fractions also contain combination pieces which have to be broken up (comminuted) before they can be correctly separated into qualitative subtractions. Compared to the heavy fractions, the heavy pure non-ferro fractions are easier to process as fewer contaminating elements are present in the pure non-ferro fractions. After processing, the resulting end fractions are also much purer, since the end fractions cannot contain any combination pieces (part iron) or entangled pieces (part iron or part iron- and corrosion dust-contaminated).
  • the device (8) comprises: a conveying system (1), preferably a feed belt (1) designed to supply SLF and SHFEC drops (X) having dimensions of at most approximately 200 mm;
  • a screen device (2) suitable for separating the material (X) supplied via the conveying system (1) into a stream of drop fractions having dimensions of at most approximately 50 mm, and a stream of non-drop fractions having dimensions of at most approximately 200 mm;
  • a conveyor belt (3) designed to receive the drop fraction from the screen device (2) and to pass it on;
  • a vibrating screen (5) which is suitable for separating the drop fraction passed on via the conveyor belt (3) into fractions having a dimension of at most approximately 6 mm, the so-called mineral fraction ("Mineral Fraction") (C), and a stream of fractions having dimensions of at most approximately 50 mm; a first air separator (7) designed to separate the stream of fractions having dimensions of at most approximately 50 mm into a small light fraction (“Light Fraction Small”) (D) and a small heavy fraction (“Heavy Fraction Small”) (E); a second air separator (9) designed to separate said stream of non-drop fractions into a large light fraction (“Light Fraction Large”) (A) and a large heavy fraction (“Heavy Fraction Large”) (B);
  • an ultrastrong magnet roller (11) to separate the small heavy fraction into a small heavy iron and iron- and corrosion dust-contaminated pieces fraction (F) and a small heavy pure non-ferro fraction (H);
  • an ultrastrong magnet roller (13) to separate the large heavy fraction into a large heavy iron and iron- and corrosion dust-contaminated pieces fraction (G) and a large heavy pure non-ferro fraction (I).
  • the device (8) according to the invention differs from the known devices (as illustrated in Fig. 1), inter alia in that a large proportion of the conveying systems which ensure that the material is conveyed to the various components of the device can be omitted.
  • This is possible by, according to the present invention, making use of a so-called dynamic screen device.
  • dynamic is understood to mean: a material stream which is advanced with the pieces in the material stream temporarily separating (flying) at a certain amplitude due to the pieces in the material stream colliding with the conveying surfaces of the conveying device which provide the driving force for conveying the pieces.
  • the term "dynamic" means that pieces come away from the vibrating screen deck due to the fact that the acceleration of the screen deck exceeds the earth's acceleration.
  • the vibrating screen (5) can be positioned underneath the screen device.
  • the screen surface of the vibrating screen preferably has a width which is at least equal to the width of the conveyor belt (3) which will pass the drop fraction from the screen device (2) to said vibrating screen (5). As a result thereof, the drop fraction will be evenly distributed across the entire width of the vibrating screen.
  • the second air separator directly adjoins the end of the screen device, as a result of which the non-drop fraction is supplied directly and dynamically to the second air separator (9).
  • the first air separator (7) is also positioned in such a manner that it adjoins the end of the vibrating screen (5).
  • the first magnet roller (11) and conveying unit (10) are positioned in such a manner that they adjoin the underside (bottom outlet) of the air separator (7).
  • the second magnet roller (13) and conveying unit (12) are positioned in such a manner that they adjoin the underside (bottom outlet) of the air separator (9).

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

La présente invention concerne d'une part, un dispositif (8) servant à séparer les résidus de fraction légère et les résidus de fraction lourde, en plusieurs fractions. Le dispositif comprend un tamis circulaire (2) qui est conçu pour envoyer la fraction non résiduelle de manière directe et dynamique à un second séparateur pneumatique (9), ledit dispositif (8) comprenant également un tamis vibrant (5) qui s'étend sous une bande transporteuse (3) de fraction de résidus, ladite bande de transport (3) étant conçue pour envoyer la fraction de résidus directement à un tamis vibrant (5) situé en dessous, ledit tamis vibrant (5) envoyant de manière dynamique sa fraction non résiduelle à un premier séparateur pneumatique (7). D'autre part, la présente invention porte sur un procédé de séparation des résidus de fraction légère et des résidus de fraction lourde en plusieurs fractions.
PCT/IB2012/000819 2011-04-28 2012-04-27 Dispositif et procédé de traitement des résidus d'un broyeur Ceased WO2012146974A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE2011/0245 2011-04-28
BE2011/0245A BE1019958A5 (nl) 2011-04-28 2011-04-28 Inrichting voor het verwerken van shredderresidu.

Publications (1)

Publication Number Publication Date
WO2012146974A1 true WO2012146974A1 (fr) 2012-11-01

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BE (1) BE1019958A5 (fr)
WO (1) WO2012146974A1 (fr)

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CN102580847A (zh) * 2012-02-24 2012-07-18 成都利君实业股份有限公司 干式磁选机
EP2837425A1 (fr) * 2013-08-13 2015-02-18 Tartech Eco Industries AG Dispositif de tri de métaux non-ferreux
BE1022243B1 (nl) * 2014-01-08 2016-03-04 Ad Rem Nv Inrichting voor het drogen van shredder residu en/of andere volumineuze producten
EP2862688B1 (fr) 2013-10-21 2016-07-20 Re-Match (UK) Limited Procédé de séparation d'un produit de gazon synthétique
CN106824741A (zh) * 2016-12-30 2017-06-13 无为县大蜀山马蹄种植专业合作社 一种震动马蹄分选机
WO2017172997A1 (fr) * 2016-03-29 2017-10-05 Valerio Thomas A Procede et systeme de production d'agrégat
CN107243457A (zh) * 2017-07-17 2017-10-13 成都冠禹科技有限公司 一种用于化工原料及医药加工的物料筛选装置
CN109396037A (zh) * 2018-09-05 2019-03-01 安徽粮友机械科技有限公司 一种粮食清理除尘装置
CN109967235A (zh) * 2019-05-13 2019-07-05 倪黄女 一种大型饲料生产用饲料除铁渣装置

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CN114632714B (zh) * 2022-05-17 2022-08-05 西南石油大学 一种效率高的智能立体交叉式快递物流分拣装置

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