EP0154876A1 - Dispositif de tamisage - Google Patents

Dispositif de tamisage Download PDF

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Publication number
EP0154876A1
EP0154876A1 EP85102037A EP85102037A EP0154876A1 EP 0154876 A1 EP0154876 A1 EP 0154876A1 EP 85102037 A EP85102037 A EP 85102037A EP 85102037 A EP85102037 A EP 85102037A EP 0154876 A1 EP0154876 A1 EP 0154876A1
Authority
EP
European Patent Office
Prior art keywords
grate
section
rods
waste
screen
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.)
Pending
Application number
EP85102037A
Other languages
German (de)
English (en)
Inventor
Wolfgang Dipl.-Ing. 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=EP0154876(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
Publication of EP0154876A1 publication Critical patent/EP0154876A1/fr
Pending 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
    • 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 rods arranged in the transport direction and capable of being oscillated.
  • 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 thrown into sorting shafts and are 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 feed device and screening device of 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 screening device, in particular for treating the materials after the main patent application.
  • the dry garbage delivered in the container vehicles with a wide variety of compositions, can first be placed on the device according to the invention.
  • a screening effect or a cleaning effect is achieved better than in the case of known drum screens, in which there is a permanent shifting of the screenings.
  • Drum screens are unsuitable for the task at hand, however, because there is an increased risk of clogging due to the constant layering of the screenings and because, for example, glass is shattered due to the high drop height.
  • the advantage of the flat screen with a large receiving area ie a 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 sieve is achieved by the bars as bars clamped on one side that 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 slightly. 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 case of the prismatic cross section, the free grate cross section widens downwards to trapezoidal shape, i.e. H. the narrow prism side is located below. This allows the pieces to be screened to slide more easily through the grate d. H. the tendency to constipation 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.
  • distribution lines are connected upstream of the respective bar grate screens, which are also set into an oscillating movement.
  • the material to be sieved can be distributed evenly in order to reach the bar grate sieve.
  • the distribution 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 annex of the main patent application. Rather, similar materials that lead to a blockage of the screening device can be processed without problems. In addition, an improved sieving effect is achieved with the circulation principle according to the invention of a stair-shaped configuration of the bar grate sieves.
  • 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 ⁇ 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 followed by a pre-distribution 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 direction of transport, however, is free-floating, d. H. 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 25 of the rods 16 is designed such that the free grate cross-section 27 widens downwards, i.e. H.
  • the narrow prism side of the rods is arranged below (shape of an upside down trapezoid).
  • shape of an upside down trapezoid As a result, as well as the conical design in the longitudinal direction of the rods, the material to be screened can pass through the grate more easily and cannot become jammed. The cleaning effect is therefore significantly increased.
  • 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 shrinking 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 rod grate sieve 12 overlaps with the first quarter of the lower rod grate sieve 13.
  • Decisive for the good distribution effect and an optimal cleaning effect or sieve effect is u. a. the damped falling process from the end region of the upper bar grate screen 12 onto the distributor section in front of the lower bar grate screen 13.
  • the material to be screened is circulated like a drum screen.
  • the lower bar grate sieve 13 is basically constructed in the same way as the upper bar grate sieve 12. What is decisive is the conical design and the free-floating end of the rods, at the ends of which the coarse material falls into 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 rod grate sieves 12, 13 is discharged via the outlet 25 and treated separately or is sent to a landfill.
  • 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.
  • the optimal size of the oscillating movement and the oscillating frequency is selected in a manner known per se, depending on the material to be screened.
  • a baffle plate 24 is provided in the area of the discharge section from the upper bar grate screen 12 to the lower bar grate screen 13, which prevents the falling material from getting stuck in the bar grate screen underneath or falling through with the narrow side.
  • the bars in a zigzag shape improves the undesired slipping behavior of paper-like material or the like.
  • the bars are each zigzag-shaped at an angle of, for example, 5 to 10 ° to the transport direction angled, for example to a length of 20 cm.

Landscapes

  • Combined Means For Separation Of Solids (AREA)
  • Processing Of Solid Wastes (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
EP85102037A 1984-02-29 1985-02-23 Dispositif de tamisage Pending EP0154876A1 (fr)

Applications Claiming Priority (3)

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

Publications (1)

Publication Number Publication Date
EP0154876A1 true EP0154876A1 (fr) 1985-09-18

Family

ID=37808031

Family Applications (2)

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

Family Applications Before (1)

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

Country Status (7)

Country Link
US (1) US4693379A (fr)
EP (2) EP0168495B1 (fr)
JP (1) JPS61501687A (fr)
CA (1) CA1275071A (fr)
DE (2) DE3407460C2 (fr)
NO (1) NO854172L (fr)
WO (1) WO1985003889A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3734360A1 (de) * 1986-10-14 1988-04-21 Wageneder Sbm Gmbh Fahrbare einrichtung zur sortierung von kompostbestandteilen
EP0648546A1 (fr) * 1993-10-13 1995-04-19 CONSTRUCTIE BRUYNOOGHE, naamloze vennootschap Dispositif de traitement de récoltes
WO1998017404A1 (fr) * 1996-10-18 1998-04-30 Beloit Technologies, Inc. Systeme de separation pneumatique avec circulation interne d'air et distributeur a barre oscillante
US6283300B1 (en) 1998-08-21 2001-09-04 Joseph B. Bielagus Feed distribution for low velocity air density separation
CN109809104A (zh) * 2019-03-27 2019-05-28 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

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5219078A (en) * 1990-12-11 1993-06-15 The Read Corporation Material separating and sizing apparatus with vibrating rods and method
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
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
ATE198559T1 (de) * 1993-05-11 2001-01-15 Bezner Maschf Sortieranlage
DE4334714C2 (de) * 1993-10-12 1998-02-19 Trienekens Entsorgung Gmbh Trockenbatteriesortieranlage und Sortierverfahren unter Verwendung der Sortieranlage
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
AUPN550295A0 (en) * 1995-09-15 1995-10-12 Act Electricity & Water Filter
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
JP6569660B2 (ja) * 2016-12-27 2019-09-04 Ｊｆｅスチール株式会社 グリズリー装置
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
GB202318236D0 (en) * 2023-11-29 2024-01-10 Portafill International Ltd Crusher screening unit
CN120228244B (zh) * 2025-05-29 2025-09-23 常州萨伟利铸造技术有限公司 一种水玻璃砂再生干燥设备

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1389231A (en) * 1915-03-30 1921-08-30 Drakes Ltd Mechanism for screening or sifting granulated substances
US2290434A (en) * 1939-05-09 1942-07-21 Traylor Vibrator Co Vibratory conveyer and screen
DE805956C (de) * 1949-04-30 1951-06-11 Brueckenbau Flender G M B H Siebanlage
GB931110A (en) * 1960-04-26 1963-07-10 Babbitless Sa Screening apparatus
DE1173317B (de) * 1960-11-25 1964-07-02 Carl Schenk Maschinenfabrik G Stufensiebrost zum gleichzeitigen Foerdern von verfitzten Spaenen und Absieben kurzer Spaene und Spanbruchstuecke
DE1184191B (de) * 1960-07-02 1964-12-23 Netzsch Maschinenfabrik Vibrationssieb mit verstellbarer Amplitude und stufenlos verstellbarer Schwingungszahl
US3241671A (en) * 1964-02-12 1966-03-22 Herbert C Brauchla Vibratory comb sizer
US4075087A (en) * 1973-06-04 1978-02-21 Sunsweet Growers, Inc. Continuous grader for fruits or the like

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1136674A (en) * 1914-02-06 1915-04-20 Arthur Richard Houston Screening-conveyer.
US1187238A (en) * 1915-10-13 1916-06-13 Robert H Beaumont Screen.
GB366229A (en) * 1930-12-30 1932-02-04 Petrie & Mcnaught Ltd Improvements in machines for the grading of dry town's refuse
US4003831A (en) * 1974-09-20 1977-01-18 Anatoly Yakovlevich Tishkov Vibration screen
JPS5630468A (en) * 1979-08-19 1981-03-27 Kazuo Komata Coloring liquid for "tatami"(straw matting)
JPS5819788B2 (ja) * 1980-01-11 1983-04-20 木村 薫 噴射式自動綛染機

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1389231A (en) * 1915-03-30 1921-08-30 Drakes Ltd Mechanism for screening or sifting granulated substances
US2290434A (en) * 1939-05-09 1942-07-21 Traylor Vibrator Co Vibratory conveyer and screen
DE805956C (de) * 1949-04-30 1951-06-11 Brueckenbau Flender G M B H Siebanlage
GB931110A (en) * 1960-04-26 1963-07-10 Babbitless Sa Screening apparatus
DE1184191B (de) * 1960-07-02 1964-12-23 Netzsch Maschinenfabrik Vibrationssieb mit verstellbarer Amplitude und stufenlos verstellbarer Schwingungszahl
DE1173317B (de) * 1960-11-25 1964-07-02 Carl Schenk Maschinenfabrik G Stufensiebrost zum gleichzeitigen Foerdern von verfitzten Spaenen und Absieben kurzer Spaene und Spanbruchstuecke
US3241671A (en) * 1964-02-12 1966-03-22 Herbert C Brauchla Vibratory comb sizer
US4075087A (en) * 1973-06-04 1978-02-21 Sunsweet Growers, Inc. Continuous grader for fruits or the like

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
AUFBEREITUNGS-TECHNIK, Band 22, Nr. 7, Juli 1981, Seiten 395-397, Wiesbaden, DE; "Mogensen-Stangensizer - eine neue Lösung für verstopfungsfreie Grobklassierung" *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3734360A1 (de) * 1986-10-14 1988-04-21 Wageneder Sbm Gmbh Fahrbare einrichtung zur sortierung von kompostbestandteilen
EP0648546A1 (fr) * 1993-10-13 1995-04-19 CONSTRUCTIE BRUYNOOGHE, naamloze vennootschap Dispositif de traitement de récoltes
BE1007656A5 (nl) * 1993-10-13 1995-09-05 Bruynooghe Constructie Nv Inrichting voor het behandelen van gewassen.
WO1998017404A1 (fr) * 1996-10-18 1998-04-30 Beloit Technologies, Inc. Systeme de separation pneumatique avec circulation interne d'air et distributeur a barre oscillante
EP1174194A1 (fr) * 1996-10-18 2002-01-23 Beloit Technologies, Inc. Sytème de séparation pneumatique avec circulation interne d'air et distributeur à barre oscillante
US6283300B1 (en) 1998-08-21 2001-09-04 Joseph B. Bielagus Feed distribution for low velocity air density separation
CN109809104A (zh) * 2019-03-27 2019-05-28 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
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

Also Published As

Publication number Publication date
WO1985003889A1 (fr) 1985-09-12
DE8406281U1 (de) 1985-07-25
NO854172L (no) 1985-10-21
DE3407460A1 (de) 1985-08-29
EP0168495A1 (fr) 1986-01-22
US4693379A (en) 1987-09-15
EP0168495B1 (fr) 1987-10-14
JPS61501687A (ja) 1986-08-14
DE3407460C2 (de) 1986-10-30
CA1275071A (fr) 1990-10-09

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Designated state(s): IT

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Effective date: 19851204

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Free format text: VERFAHREN ABGESCHLOSSEN INFOLGE VERBINDUNG MIT 85901408.6/0168495 (EUROPAEISCHE ANMELDENUMMER/VEROEFFENTLICHUNGSNUMMER) VOM 12.11.86.

RIN1 Information on inventor provided before grant (corrected)

Inventor name: STEHLE, WOLFGANG, DIPL.-ING.