EP0382326B1 - Vorrichtung zur Aufbereitung von Schrott - Google Patents

Vorrichtung zur Aufbereitung von Schrott Download PDF

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Publication number
EP0382326B1
EP0382326B1 EP90250035A EP90250035A EP0382326B1 EP 0382326 B1 EP0382326 B1 EP 0382326B1 EP 90250035 A EP90250035 A EP 90250035A EP 90250035 A EP90250035 A EP 90250035A EP 0382326 B1 EP0382326 B1 EP 0382326B1
Authority
EP
European Patent Office
Prior art keywords
scrap
drum
sieve drum
carrier elements
sieve
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
EP90250035A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0382326A1 (de
Inventor
Georg Traube
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.)
Individual
Original Assignee
Individual
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=6373971&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0382326(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of EP0382326A1 publication Critical patent/EP0382326A1/de
Application granted granted Critical
Publication of EP0382326B1 publication Critical patent/EP0382326B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B9/00—General arrangement of separating plant, e.g. flow sheets
    • B03B9/04—General arrangement of separating plant, e.g. flow sheets specially adapted for furnace residues, smeltings, or foundry slags
    • 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
    • B07B1/18—Drum screens
    • B07B1/22—Revolving drums
    • B07B1/24—Revolving drums with fixed or moving interior agitators

Definitions

  • the invention relates to a device according to the preamble of claim 1.
  • Burned household waste which has been pre-sorted by a magnetic separator, has an iron content in the form of pure iron and iron oxide (scale, rust) of around 40 to 60%.
  • the remaining components are mainly ash and slag.
  • this mixture is passed through an inclined rotating sieve drum in which it is circulated.
  • Ash and slag particles pass through the openings in the wall of the sieve drum, while the larger ferrous components are discharged onto a conveyor at the lower end of the sieve drum. Further separation takes place at a subsequent magnetic separator instead of.
  • the scrap obtained in this way has an iron content of 75 to a maximum of 80%. It is preferably delivered in bulk with a bulk density of around 250 to 300 kg to steelworks or for further processing to shredder companies (director). This scrap cannot be pressed.
  • the iron content of the scrap obtained in the manner described above is increasingly considered by the steelworks to be too low for economic utilization.
  • This scrap also has a relatively high content of non-ferrous metals such as tin or copper.
  • a rotating sieve drum for sorting by differential comminution and classification of packaging material made of glass and plastic is known.
  • the sieve drum has a central section made of perforated sheet metal, which is provided with longitudinal lifters.
  • the special design of this sieve drum serves to break up the brittle glass packaging, the longitudinal lifters being arranged in such a way that falling pieces of glass hit the front edge of these longitudinal lifters directly and break them as a result.
  • the shredded pieces of glass are discharged through the openings in the drum shell, while the uncrushed plastic parts are discharged at the end of the drum.
  • driver elements are attached to the cylindrical inner wall of the sieve drum, such that the scrap is carried upward when the sieve drum rotates and then hits the floor by free fall, the driver elements being subdivided and designed differently in the longitudinal direction of the sieve drum, such that the driver elements on the scrap input side carry a larger amount of scrap upwards than those on the scrap output side, in the part of the sieve drum adjacent to the scrap input side, flaking of ash and slag particles adhering to the iron-containing constituents and also adhering iron oxide (rust , Scale), with larger pieces of slag being broken up so that they can escape through the sieve openings of the drum, and in the part of the sieve drum adjacent to the scrap discharge side, the scrap is essentially only circulated, so that here the still adhering fine impurities can be rubbed off.
  • iron contents in the scrap of at least 90% can be achieved.
  • the process according to the invention also reduces the content of non-ferrous metals in the scrap. This is due to the fact that the iron below the non-ferrous metal coating layer oxidizes with the formation of rust or scale, and when it hits the drum base, the rust or scale flakes off with the non-ferrous metal layer lying above it.
  • the scrap coming from a waste incineration plant and pre-sorted by a magnetic separator, heavily permeated with ash and slag and also having a considerable proportion of iron oxide is fed into a funnel 1 and passes through a chute 2 through a front opening into a screening drum 3.
  • the screening drum 3 is rotatably mounted on two annular treads 4 and is rotated relatively slowly in a known manner by a motor.
  • the screen drum 3 is inclined somewhat downwards from the scrap input side to the other end face, so that the scrap migrates through the screen drum when it rotates and emerges from it through an opening in the other end face.
  • driver 6 are attached to the cylindrical inner wall at regular intervals in the circumferential direction, whereby these, as shown in FIG. 2, can be offset with respect to the carriers 5, and can be present in the same number as these or in different numbers.
  • the drivers 6 are shorter in the radial direction than the drivers 5, so that they do not transport the scrap upwards, but essentially only circulate, the cut and crushed impurities coming out through the openings 7 in the cylindrical part of the sieve drum 3 and fall on a rotating conveyor belt 8.
  • the cleaned scrap exits the sieve drum 3 on the right end face and falls onto a vibration conveyor 9, which transports it to a magnetic drum 10. This removes the iron-containing parts from the vibration conveyor 9 and throws them onto a conveyor belt 11.
  • the scrap removed from this with an iron content of at least 90% can now be pressed into turnable packages and used for another suitable use (Zerdirator or in loose form for steel production) will.
  • the conveyor belt 8 transports the screened impurities under a rotating magnetic belt 13 to a conveyor belt 14 that these are also transported out.
  • the magnetic tape 13 detects small iron parts screened out with the impurities and throws them onto a conveyor belt 15.
  • the rear section has drivers 17 which are inclined relative to the drum axis in such a way that they are at Rotation of the screen drum 16 on the side moving upward toward the dispensing opening is downward.
  • the carriers 17 are also provided in such a number that no large accumulations of scrap occur at the bottom of the drum in the region of their discharge opening.
  • the number of carriers 17 is therefore preferably greater than that of carriers 5 or 6.
  • the inclination of carriers 17 downwards also means that the scrap is conveyed faster to the discharge opening, which also prevents the accumulation of scrap.
  • the driver 17 thus ensure a uniform scrap discharge. This can be an essential requirement for subsequent automatic further processing, for example the pressing of packages.

Landscapes

  • Processing Of Solid Wastes (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Disintegrating Or Milling (AREA)
EP90250035A 1989-02-08 1990-02-08 Vorrichtung zur Aufbereitung von Schrott Expired - Lifetime EP0382326B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3904263A DE3904263A1 (de) 1989-02-08 1989-02-08 Vorrichtung zur aufbereitung von schrott
DE3904263 1989-02-08

Publications (2)

Publication Number Publication Date
EP0382326A1 EP0382326A1 (de) 1990-08-16
EP0382326B1 true EP0382326B1 (de) 1994-05-25

Family

ID=6373971

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90250035A Expired - Lifetime EP0382326B1 (de) 1989-02-08 1990-02-08 Vorrichtung zur Aufbereitung von Schrott

Country Status (4)

Country Link
EP (1) EP0382326B1 (enrdf_load_stackoverflow)
AT (1) ATE106025T1 (enrdf_load_stackoverflow)
DE (2) DE3904263A1 (enrdf_load_stackoverflow)
DK (1) DK0382326T3 (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4416340A1 (de) * 1994-05-09 1995-11-16 Agr Gmbh Verfahren und Vorrichtung zur Behandlung von Verbundverpackungen und/oder Kunststoffabfällen sowie Verwendung der bei der Pyrolyse entstehenden kohlenstoffhaltigen Feststoffanteile
DE19508293A1 (de) * 1995-03-09 1996-09-12 Abb Management Ag Verfahren zum Aufbereiten von Schlacke aus Müllverbrennungsanlagen
US5632380A (en) * 1995-10-17 1997-05-27 Shaneway, Inc. Ferrous material recovery system
ITRM20090192A1 (it) * 2009-04-23 2010-10-24 Prete Leopoldo Del Impianto e metodo per il trattamento di purificazione del filo di ferro ottenuto dalla combustione degli pneumatici.
US9108203B2 (en) 2013-03-01 2015-08-18 Eriez Manufacturing Co. Magnetic drum separator with an outer shell having traction elements
DE102016218554B3 (de) * 2016-09-27 2017-05-04 Technische Universität Bergakademie Freiberg Vorrichtung und Verfahren zur Bewegungsbeeinflussung eines Siebguts in mindestens einem Siebtrommelsegment einer Trommelsiebmaschine und deren Verwendung
CN106391291B (zh) * 2016-10-11 2019-01-29 樊日宏 一种高效环保的圆筒筛洗机
CN113634370B (zh) * 2021-08-24 2024-01-12 广东皆联科技有限公司 一种智能化色母粒杂质分离系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191269A (en) * 1921-12-21 1923-01-11 Norman Harrison Improvements in or relating to screening apparatus
CH184206A (de) * 1935-05-27 1936-05-31 Carl Weller & Co Schlackenaufbereitungsanlage.
US2721035A (en) * 1952-09-15 1955-10-18 Frank E Lankford Apparatus for separating steel from slag
FR2376703A1 (fr) * 1977-01-06 1978-08-04 Rech Geolog Miniere Crible rotatif pour tri d'emballages de recuperation par concassage differentiel et calibrage
DE3223689C1 (de) * 1982-06-25 1983-09-29 Günther 5628 Heiligenhaus Unger Verfahren und Vorrichtung zur Gewinnung von Metallteilen aus Verbrennungs- und/oder Pyrolyse-Rückständen, insbesondere aus der Müllverbrennung
DE3239135C2 (de) * 1982-10-22 1985-01-17 Hoesch Ag, 4600 Dortmund Verfahren zum Aufbereiten von Müllschrott und Einrichtung zu dessen mechanischer Bearbeitung
US4512881A (en) * 1983-09-30 1985-04-23 Shumway Merwin S Machine for recovering precious metal values from ore

Also Published As

Publication number Publication date
DE59005784D1 (de) 1994-06-30
EP0382326A1 (de) 1990-08-16
DK0382326T3 (da) 1994-06-27
ATE106025T1 (de) 1994-06-15
DE3904263C2 (enrdf_load_stackoverflow) 1990-12-13
DE3904263A1 (de) 1990-08-09

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