EP2308600A1 - Procédé et dispositif de broyage de matières solides - Google Patents

Procédé et dispositif de broyage de matières solides Download PDF

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Publication number
EP2308600A1
EP2308600A1 EP10176566A EP10176566A EP2308600A1 EP 2308600 A1 EP2308600 A1 EP 2308600A1 EP 10176566 A EP10176566 A EP 10176566A EP 10176566 A EP10176566 A EP 10176566A EP 2308600 A1 EP2308600 A1 EP 2308600A1
Authority
EP
European Patent Office
Prior art keywords
grinder
air
solids
dedusting
return line
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
EP10176566A
Other languages
German (de)
English (en)
Other versions
EP2308600B1 (fr
Inventor
Andreas Hempel
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.)
Ventilatorenfabrik Oelde GmbH
Original Assignee
Ventilatorenfabrik Oelde GmbH
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 Ventilatorenfabrik Oelde GmbH filed Critical Ventilatorenfabrik Oelde GmbH
Priority to PL10176566T priority Critical patent/PL2308600T3/pl
Publication of EP2308600A1 publication Critical patent/EP2308600A1/fr
Application granted granted Critical
Publication of EP2308600B1 publication Critical patent/EP2308600B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
    • B02C23/24—Passing gas through crushing or disintegrating zone
    • B02C23/34—Passing gas through crushing or disintegrating zone gas being recirculated to crushing or disintegrating zone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
    • B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone

Definitions

  • the invention relates to a method for comminuting solids according to the preamble of claim 1 and to a device for carrying out the method.
  • Such devices are used, for example, in recycling plants for material recovery, in which e.g. Scrap is crushed and separated.
  • the device has a grinder in which the supplied material is crushed.
  • the resulting dust and light, insofar airworthy substances are fed via a connected to the grinder first supply line a solids separator, in particular a cyclone, in which by centrifugal separation, the supplied laden air is freed of coarse dust and waste.
  • the separated material collects in a lower so-called calming funnel and is continuously discharged by a rotary valve into a subordinate container or onto a conveyor belt.
  • the pre-cleaned in the cyclone air is then passed through a second supply line in a dust removal device, such as a wet dust extractor or dry filter and cleaned there.
  • a dust removal device such as a wet dust extractor or dry filter
  • the fine dust content in the air is washed out to a minimum residual content.
  • a device that cleans the wash water and returns it to the spray system of the wet deduster.
  • the known method is possible only with a large amount of air flow, in particular to suck the laden air from the grinder and feed the solids.
  • the invention has for its object to further develop a method and a device of the generic type so that a cheaper and more efficient operation is possible.
  • the dedusting device for example, the wet dust extractor already described in the prior art or alternatively dry filter, can be made smaller, which naturally results in lower acquisition costs.
  • the operating costs are significantly reduced, since the supplied reduced air flow is to be cleaned with less energy input.
  • the return line must be branched off in front of the dedusting device with respect to the grinder, this branch preferably being provided between the solids separator and the dedusting device.
  • a suction fan is integrated, with which the air flow to be returned is sucked out of the leading to the dedusting second supply line.
  • the return line opens, for example, in a scrap inlet of the grinder or in certain, particularly suitable areas, for example, the open suction of the grinder.
  • the single FIGURE shows a device according to the invention in a schematic representation.
  • Shown schematically in the figure is the construction of a device for comminuting solids.
  • This consists of a grinder 1, in which the supplied solid, such as scrap, is crushed into pieces.
  • the resulting dust as well as light, absorbable substances are sucked out of the grinder 1 and fed via a first supply line 6 a solids separator 2, preferably a cyclone, and separated there.
  • the deposited from the airborne air material is collected in a so-called calming funnel and discharged by a rotary valve.
  • the extent pre-cleaned air is supplied in the sequence via a second supply line 7 of a dedusting device 3, for example, a wet dust extractor or dry filters.
  • a dedusting device for example, a wet dust extractor or dry filters.
  • a return line 9 is connected to the second supply line 7, before the dedusting device 3, according to the invention, which opens into the grinder 1 and over which part of the dust-laden, guided in the second supply line 7 air is fed back to the grinder 1.
  • a suction fan 10 is integrated in the return line 9, with which the named part-air flow is sucked out of the second supply line 7.
  • dedusting device 3 is designed as a wet deduster, the washing water is cleaned and fed back into the spray system in the circuit.
  • the virtually final cleaned air is fed via an exhaust duct 8 by means of a dedusting device 3 downstream exhaust fan 4 a chimney 5, from where it escapes into the environment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Cyclones (AREA)
  • Disintegrating Or Milling (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Crushing And Grinding (AREA)
EP10176566.7A 2009-10-09 2010-09-14 Procédé et dispositif de broyage de matières solides Active EP2308600B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10176566T PL2308600T3 (pl) 2009-10-09 2010-09-14 Sposób i urządzenie do rozdrabniania substancji stałych

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009044219A DE102009044219A1 (de) 2009-10-09 2009-10-09 Verfahren und Einrichtung zum Zerkleinern von Feststoffen

Publications (2)

Publication Number Publication Date
EP2308600A1 true EP2308600A1 (fr) 2011-04-13
EP2308600B1 EP2308600B1 (fr) 2017-08-23

Family

ID=43513683

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10176566.7A Active EP2308600B1 (fr) 2009-10-09 2010-09-14 Procédé et dispositif de broyage de matières solides

Country Status (5)

Country Link
EP (1) EP2308600B1 (fr)
DE (1) DE102009044219A1 (fr)
ES (1) ES2649041T3 (fr)
NO (1) NO2308600T3 (fr)
PL (1) PL2308600T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107519991B (zh) * 2017-08-31 2018-12-25 中山市程博工业产品设计有限公司 一种米粒粉碎机

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0227008A2 (fr) * 1985-12-23 1987-07-01 Altenburger Maschinen Jäckering GmbH Procédé et dispositif pour le fonctionnement d'une installation de broyage
DE4226635A1 (de) * 1992-08-12 1994-02-17 Herbold Gmbh Maschinenfabrik Verfahren zum Zerkleinern und Sortieren von Rest- oder Abfallstoffen
CH689823A5 (de) * 1995-04-13 1999-12-15 Buehler Ag Walzwerk zum Vermahlen und/oder Flockieren von Cerealien und anderem Gut.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0227008A2 (fr) * 1985-12-23 1987-07-01 Altenburger Maschinen Jäckering GmbH Procédé et dispositif pour le fonctionnement d'une installation de broyage
DE4226635A1 (de) * 1992-08-12 1994-02-17 Herbold Gmbh Maschinenfabrik Verfahren zum Zerkleinern und Sortieren von Rest- oder Abfallstoffen
CH689823A5 (de) * 1995-04-13 1999-12-15 Buehler Ag Walzwerk zum Vermahlen und/oder Flockieren von Cerealien und anderem Gut.

Also Published As

Publication number Publication date
EP2308600B1 (fr) 2017-08-23
DE102009044219A1 (de) 2011-06-09
ES2649041T3 (es) 2018-01-09
NO2308600T3 (fr) 2018-01-20
PL2308600T3 (pl) 2018-01-31

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