EP0168495A1 - Dispositif de tamisage. - Google Patents

Dispositif de tamisage.

Info

Publication number
EP0168495A1
EP0168495A1 EP85901408A EP85901408A EP0168495A1 EP 0168495 A1 EP0168495 A1 EP 0168495A1 EP 85901408 A EP85901408 A EP 85901408A EP 85901408 A EP85901408 A EP 85901408A EP 0168495 A1 EP0168495 A1 EP 0168495A1
Authority
EP
European Patent Office
Prior art keywords
section
rods
grate
sieve
waste
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
Application number
EP85901408A
Other languages
German (de)
English (en)
Other versions
EP0168495B1 (fr
Inventor
Wolfgang Stehle
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.)
Maschinenfabrik Bezner GmbH and Co KG
Original Assignee
Maschinenfabrik Bezner 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=37808031&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0168495(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Maschinenfabrik Bezner GmbH and Co KG filed Critical Maschinenfabrik Bezner GmbH and Co KG
Priority to AT85901408T priority Critical patent/ATE30217T1/de
Publication of EP0168495A1 publication Critical patent/EP0168495A1/fr
Application granted granted Critical
Publication of EP0168495B1 publication Critical patent/EP0168495B1/fr
Expired legal-status Critical Current

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
    • B07B1/12—Apparatus having only parallel 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
    • 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
    • B07B1/38—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens oscillating in a circular arc in their own plane; Plansifters
    • 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
    • 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
    • B07B2201/00—Details applicable to machines for screening using sieves or gratings
    • B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S209/00—Classifying, separating, and assorting solids
    • Y10S209/93—Municipal solid waste sorting

Definitions

  • the invention relates to a screening device, in particular for screening valuable materials, domestic waste, commercial waste, bulky waste, dry waste, wet waste, compost and / or problematic and hazardous substances, with inclined bars arranged in the transport direction and capable of oscillating movement.
  • the older patent application P 34 15 090.0 relates to a sorting system for sorting valuable materials, in particular dry waste such as glass, cardboard, paper, plastics or the like.
  • the sorting system consists of a circular sorting table with manual and mechanical sorting workstations from which the valuable materials are sorted into sorting shafts thrown away and transported in concentric disposal channels.
  • the system according to the above-mentioned patent application has a pre-sorting line or sorting machine on which a separation of sheet-like and body-like parts is automatically made possible.
  • the present invention has for its object to provide a screening device which is used in particular as a feeding device and screening device for valuable materials from household waste, commercial waste, bulky waste, dry waste and / or problematic and hazardous substances.
  • the device should also be applicable to other work areas with similar problems.
  • the device according to the invention creates a feed device and sieving device, in particular for treating the materials after the main patent application.
  • the dry waste with a wide variety of compositions supplied in the container vehicles can first be fed onto the device according to the invention.
  • the combination of the features essential to the invention achieves a sieving effect or a cleaning effect better than in the case of known drum sieves, in which there is a permanent shifting of the screenings.
  • Trommel ⁇ screens are unsuitable for the present task as increased * is Ver ⁇ blockage risk by the constant shifting of the screenings and since destroyed by the high drop height, spieltagen glass.
  • the advantage of the flat screen with a large receiving area, ie large screen area is maintained.
  • the parts come to lie flat before they come onto the bar grate.
  • the parts do not fall directly onto the first bar grate, so that this cannot clog or the parts cannot fall through the sieve openings with their narrow sides.
  • only small parts fall through the grate.
  • Optimal self-cleaning of the bar screen is achieved by the bars as bars clamped on one side which taper in the direction of transport. This applies in particular to materials without internal strength such as stockings, cords, fabrics, foils etc. which normally clog the sieves easily. Such materials cannot easily slide through the bar grate screens according to the invention, but are simply pushed off at the free end of the screen bars.
  • the rods designed according to the main claim are designed with a round, rectangular or prismatic or T-profile cross-section, in particular in such a way that, for example, in the prismatic cross-section the free grate cross-section widens downwards to a trapezoidal shape, ie the narrow prism side is located below. This allows the pieces to be screened to slide more easily through the grate, ie the tendency to blockage is reduced. The same effect is achieved with a T-profile cross section.
  • the bars in their lower region have projections which protrude into the free grate cross-section, on which flat material is supported and does not fall through the sieve.
  • seven distribution lines are connected upstream of the respective bar grate and are likewise set into an oscillating movement. This allows the material to be screened to be distributed evenly in order to reach the bar grate screen. Furthermore, the distributor function of the feed device is improved.
  • the machine frame is mounted on rubber oscillating elements and is driven by means of an eccentric drive to generate the oscillating movement. These elements are completely maintenance-free and enable an oscillating movement that supports the functioning of the principle according to the invention.
  • the screening device according to the invention is not limited to the use of screening processes according to the system of the main patent application. Rather, similar materials that lead to blockage of the screening device can be processed without problems.
  • an improved sieving effect is achieved with the circulation principle according to the invention of a stair-shaped configuration of the bar grate sieves.
  • FIG. 2 shows a plan view of the sieve device according to the invention.
  • Fig. 3 shows a partial section through the bars of the grate sieve.
  • the sieve device 10 shown in the figures consists of a sieve box 11 in which an upper rod grate sieve 12 and a lower rod grate sieve 13 are arranged.
  • the complete sieve box with bar grate screens has an inclination angle of (X ** s-3 to 4 °) so that the bar grate screens are slightly inclined downwards in the transport direction.
  • the inlet area 14 of the screening device is formed by a pre-distributor section 15 on which the material to be screened can be distributed over the entire width of the screening device 10 and laid flat.
  • the inlet area 14 and the pre-distributor section 15 take up about 1/3 of the total length of the screening device 10.
  • the pre-distributor section 15 is followed by the upper rod grate sieve 12.
  • the rod grate sieve 12 is formed by individual rods 16 arranged in parallel next to one another, which are firmly clamped in their area 17 facing the pre-distributor section 15.
  • the other end 18 lying in the transport direction, on the other hand, is free-floating, that is to say open, without attachment.
  • the individual rods 16 are prismatic and taper towards the front end 18, the tapering taking place both in a top view and in a side view.
  • the prismatic cross section of the rods 16 is formed 25 such that the free cross-section to rust expanded downward 27, that is, the narrow prism side 'of the bars is arranged at the bottom (the form of an upside-down trapezoid).
  • the material to be screened can pass through the grate more easily and cannot become jammed. The cleaning effect is therefore increased considerably.
  • a T-shaped profile is also suitable.
  • projections 28 in the form of, for example, a continuous strip 28 are provided in the lower region 26 of the rods 16, which protrude into the free grate cross section 27.
  • a sheet 29 sliding into the screen gap 27 is blocked from slipping so that it remains on the screen again due to the shaking movement and does not slip (see FIG. 3).
  • the narrowing cross section has a positive influence on the natural vibration behavior of the rods, so that the cleaning effect is further increased.
  • the last quarter of the upper bar grate sieve 12 overlaps with the first quarter of the lower bar grate sieve 13.
  • the damping process from the * end area of the upper bar grinder is decisive for the good distribution effect and an optimal cleaning effect or sieve effect.
  • the lower rod Rostsi 'eb 13 is basically constructed the same as the upper bar auf ⁇ Rostsieb 12. Decisive is the conical shape and the free-floating end of the bars, the coarse material drops at the ends thereof in a coarse material outlet (20).
  • the coarse material remaining on the bar grate screens 12, 13 is fed to a coarse material outlet 20 at the end of the screening device 10, from where it is used for further processing, e.g. B. can be fed in the sorting system.
  • the fine material sifted out through the bar grate sieves 12, 13 is discharged via the outlet 25 and treated separately or is sent to a landfill.
  • 1 also shows the drive mechanism of the screening device.
  • the entire screen frame 11 is arranged on rubber vibrating elements 21. Such elements are advantageous for the principle according to the invention, since the most varied vibrations can be carried out by means of an eccentric drive 22 via a motor 23.
  • a baffle plate 2 is provided in the region of the discharge section from the upper bar grate sieve to the lower bar grate sieve 13, which prevents the material falling down from becoming jammed in the bar grate sieve below or falling through with the narrow side.
  • the bars in a zigzag shape improves the non-desired slipping behavior of paper-like material or the like.
  • the bars are each zigzag at an angle of, for example, 5 to 10 ° to the transport direction - angled to a length of 20 cm, for example.

Abstract

Le dispositif de tamisage sert d'alimentateur et de séparateur de matériaux difficilement séparables, tels que les ordures ménagères, les déchets industriels, les déchets encombrants ou secs. Dans le but d'avoir un effet de nettoyage et de répartition optimal, on prévoit deux tamis de grillage (12, 13) superposés, constitués de barres se chevauchant, ayant une section conique et qui sont libres à leurs extrémités. L'effet de nettoyage du dispositif est amélioré par le décalage à gradins des tamis (12, 13) et par l'effet de circulation qui s'ensuit. Le mouvement d'oscillation est obtenu par des éléments oscillants en caoutchouc et par un entraînement excentrique.
EP85901408A 1984-02-29 1985-02-23 Dispositif de tamisage Expired EP0168495B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85901408T ATE30217T1 (de) 1984-02-29 1985-02-23 Siebvorrichtung.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE8406281U DE8406281U1 (de) 1984-02-29 1984-02-29 Siebvorrichtung
DE3407460 1984-02-29
DE3407460A DE3407460C2 (de) 1984-02-29 1984-02-29 Aufgabevorrichtung und Siebvorrichtung zur Behandlung von Wertstoffen

Publications (2)

Publication Number Publication Date
EP0168495A1 true EP0168495A1 (fr) 1986-01-22
EP0168495B1 EP0168495B1 (fr) 1987-10-14

Family

ID=37808031

Family Applications (2)

Application Number Title Priority Date Filing Date
EP85102037A Pending EP0154876A1 (fr) 1984-02-29 1985-02-23 Dispositif de tamisage
EP85901408A Expired EP0168495B1 (fr) 1984-02-29 1985-02-23 Dispositif de tamisage

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP85102037A Pending EP0154876A1 (fr) 1984-02-29 1985-02-23 Dispositif de tamisage

Country Status (7)

Country Link
US (1) US4693379A (fr)
EP (2) EP0154876A1 (fr)
JP (1) JPS61501687A (fr)
CA (1) CA1275071A (fr)
DE (2) DE8406281U1 (fr)
NO (1) NO854172L (fr)
WO (1) WO1985003889A1 (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT385503B (de) * 1986-10-14 1988-04-11 Wageneder Sbm Gmbh Fahrrbare einrichtung zur sortierung von kompostbestandteilen
DE3903325A1 (de) * 1989-02-04 1990-08-09 Bezner Maschf Verfahren zum rueckgewinnen von wertstoffen, insbesondere aus baustellenabfaellen und anlage zum durchfuehren des verfahrens
CA2007825C (fr) * 1989-03-01 1999-04-20 Raymond W. Sherman Crible
US5150307A (en) * 1990-10-15 1992-09-22 Automation Industrial Control, Inc. Computer-controlled system and method for sorting plastic items
AU9141691A (en) * 1990-12-11 1992-07-08 Read Corporation, The Material sizing apparatus with rod-vibrating decks
US5322170A (en) * 1990-12-11 1994-06-21 The Read Corporation Waste material separating apparatus and method
US5219078A (en) * 1990-12-11 1993-06-15 The Read Corporation Material separating and sizing apparatus with vibrating rods and method
US5234109A (en) * 1991-02-01 1993-08-10 Pederson Dennis A Apparatus and method for separating recyclable waste
US5116486A (en) * 1991-02-01 1992-05-26 Pederson Dennis A Apparatus and method for separating recyclable waste
US5115987A (en) * 1991-02-19 1992-05-26 Mithal Ashish K Method for separation of beverage bottle components
JPH07508931A (ja) * 1993-05-11 1995-10-05 マシーネンファブリク　ベズナ　ゲーエムベーハー　ウント　コー　コマンディトゲゼルシャフト 仕分け設備
DE4334714C2 (de) * 1993-10-12 1998-02-19 Trienekens Entsorgung Gmbh Trockenbatteriesortieranlage und Sortierverfahren unter Verwendung der Sortieranlage
BE1007656A5 (nl) * 1993-10-13 1995-09-05 Bruynooghe Constructie Nv Inrichting voor het behandelen van gewassen.
JPH07265795A (ja) * 1994-03-30 1995-10-17 Shigeharu Endo 採取した砂利・砂類に混入している玉石の分離装置
US5829597A (en) * 1994-09-28 1998-11-03 Beloit Technologies, Inc. Air density system with air recirculation and gyrating bar feeder
AUPN550295A0 (en) * 1995-09-15 1995-10-12 Act Electricity & Water Filter
US6283300B1 (en) 1998-08-21 2001-09-04 Joseph B. Bielagus Feed distribution for low velocity air density separation
US7794783B2 (en) 2005-02-07 2010-09-14 Kennametal Inc. Articles having wear-resistant coatings and process for making the same
US20080273955A1 (en) * 2007-05-02 2008-11-06 International Truck Intellectual Property Company, Llc. Refuse collection device and disposal method for public transportation vehicles
US20110198269A1 (en) * 2010-02-16 2011-08-18 Grant Young Vibratory screen device
US8708154B1 (en) 2011-12-23 2014-04-29 Tim Holmberg Adjustable spring grizzly bar material separator
CN104209270B (zh) * 2013-05-31 2016-08-10 泰科电子(上海)有限公司 零件分选机构及分选方法、零件供应系统
CN106623372A (zh) * 2017-01-22 2017-05-10 扬州大学 一种生活垃圾自动化多级分选装置
CN108636753A (zh) * 2018-04-04 2018-10-12 江苏天晟环境科技有限公司 一种陈腐生活垃圾预筛分装置及方法
CN109809104B (zh) * 2019-03-27 2021-02-26 郑州煤电股份有限公司超化煤矿 一种运输机转载承接胶带防护装置

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JPS5630468A (en) * 1979-08-19 1981-03-27 Kazuo Komata Coloring liquid for "tatami"(straw matting)
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Also Published As

Publication number Publication date
JPS61501687A (ja) 1986-08-14
DE3407460C2 (de) 1986-10-30
EP0168495B1 (fr) 1987-10-14
DE3407460A1 (de) 1985-08-29
EP0154876A1 (fr) 1985-09-18
DE8406281U1 (de) 1985-07-25
WO1985003889A1 (fr) 1985-09-12
CA1275071A (fr) 1990-10-09
NO854172L (no) 1985-10-21
US4693379A (en) 1987-09-15

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