EP0553066A2 - Improved shredding device - Google Patents

Improved shredding device Download PDF

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Publication number
EP0553066A2
EP0553066A2 EP19930830020 EP93830020A EP0553066A2 EP 0553066 A2 EP0553066 A2 EP 0553066A2 EP 19930830020 EP19930830020 EP 19930830020 EP 93830020 A EP93830020 A EP 93830020A EP 0553066 A2 EP0553066 A2 EP 0553066A2
Authority
EP
European Patent Office
Prior art keywords
shivering
screen
unit
shreds
washing
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.)
Withdrawn
Application number
EP19930830020
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0553066A3 (enrdf_load_stackoverflow
Inventor
Franco Mercandino
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.)
Ico Srl
Original Assignee
Ico Srl
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 Ico Srl filed Critical Ico Srl
Publication of EP0553066A2 publication Critical patent/EP0553066A2/en
Publication of EP0553066A3 publication Critical patent/EP0553066A3/xx
Withdrawn legal-status Critical Current

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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
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
    • 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

Definitions

  • the present invention concerns a shredding device of the type used to shiver scrap materials and waste.
  • the object of the present invention is to provide a shredding device capable of producing shivered material according to the desired size and of selecting any piece of material which is oversize, and which allows to carry out a simple and fast semiautomatic cleaning operation every time the processing of a load of waste is over.
  • a shredding device including a shivering unit and a feed hopper through which the material to be shredded is fed to the shivering unit, being also provided with at least one screen positioned below the shivering unit so as to select according to their size the shreds of material produced, and being finally provided with a washing circuit for the cleaning of the feed hopper inner walls and of the underlying shivering members.
  • the improved shredding device has the advantage, in case of use on board of ships or boats, of assuring the compliance with the regulations concerning the environmental impact of sea discharged waste and therefore of protecting the people in charge of craft from unpleasant surprises such as fines or sanctions.
  • Another advantage of the present device is that the user may work in a healthy environment in that there are no bad smells coming, for example, from the processing of food waste.
  • a further advantage, finally, is that the regular cleaning of the shivering members such as grinders or cutters increases the effectiveness and life of the members themselves.
  • Fig.1 shows that, likewise the known devices of this kind, the shredding device according to this invention essentially includes a feed hopper 4 through which the waste 3 are fed to an underlying shivering unit 2 which, being already known, will not be described in detail hereafter.
  • the whole structure is mounted on a base stand 5 inside which a container 15 is positioned, wherein the shreds, produced by the device which is controlled by a control unit 6, are gathered.
  • the shredding device is also provided with a screen 1 positioned below the said shivering unit.
  • the screen 1 acts as a filter letting through its meshes the shreds of shivered material having sufficiently small size, whereas it retains the oversize shreds which must be periodically taken out and subsequently inserted again into the hopper 4 to undergo a further shivering.
  • the naval grinders may be provided with a screen 1 such as to allow the passage only of the shreds of a size in compliance with the regulations for the discharge of waste into the sea.
  • the screen 1 may be of any type, shape and material suitable for the object but, preferably, it consists of a steel grid not necessarily made in a single piece.
  • Fig.2 shows, in fact, that the screen 1 is formed, in this case, by two parts 1A, 1B which are mutually integral in the operating position.
  • the parts 1A and 1B can be separated and then can open by rotating towards the inside of the base stand 5, being pivoted on axes 17, 18 parallel to the two transverse sides of the screen 1.
  • Fig.2 also shows the hand-wheels 7, 8 used to take into operating position the two parts 1A, 1B which, in this embodiment, form the screen 1, while through a hand-wheel 9 the manual release of both parts 1A, 1B of the screen 1 can be provided, for example when it is desired to remove shreds of material accumulated on the screen itself.
  • Fig.2 finally shows a tank 10 wherein a detergent liquid is contained for the washing of the hopper 4 as will be described later on.
  • Fig.3 shows the hopper 4 through which the scrap material falls onto the grinders or cutters, not shown, of the underlying shivering unit 2.
  • a duct 11 is positioned, provided with a plurality of nozzles, not shown, having suitable diameter and orientation.
  • jets of water, possibly mixed with detergent liquid are spread, which remove the residues and deposits from the hopper walls as well as from the grinders or cutters which form the shivering unit 2.
  • the dirty water and the washing residues are gathered, finally, in a suitable container, not shown, which is positioned inside the base stand 5, replacing said container 15 prior to the starting of the washing operation.
  • the washing process preferably provides a first stage wherein water only is supplied to remove the coarser residues, a second stage wherein liquid detergent is added to the water and finally a third stage or rinsing wherein water only again is used.
  • Fig.4 shows the lower part of the washing circuit which includes a ball valve 12, through which water is drawn from an external supply circuit, which valve is connected to a pressure regulator 13 preferably present so that, inside the device washing circuit, water has a fixed and constant pressure. This is to avoid that, in case the pressure is too high, the nozzles spread water excessively atomized, thus compromising the effectiveness of the washing operation.
  • the pressure regulator 13 is connected to a pump 14, same as the tank 10 containing detergent liquid.
  • the pump 14 is operated by the user, for example through proper controls on the control unit 6, during the washing stage wherein the use of detergent liquid is provided, and provides for the measurement of the amount of liquid that is mixed with the water.
  • the pressure in the external water supply circuit is not lower than that fixed for the washing circuit of the shredding device. Otherwise, in fact, the nozzles would spread water in compact jets, thus resulting in a limited effectiveness of the washing. Therefore, in case of insufficent pressure of the supply water the device washing circuit must also include a proper auxiliary pump.
  • All the elements forming the washing circuit as above described may be of any known kind suitable for the object.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Crushing And Pulverization Processes (AREA)
EP19930830020 1992-01-23 1993-01-21 Improved shredding device Withdrawn EP0553066A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI920114 1992-01-23
ITMI920114A IT1258810B (it) 1992-01-23 1992-01-23 Dispositivo trituratore migliorato

Publications (2)

Publication Number Publication Date
EP0553066A2 true EP0553066A2 (en) 1993-07-28
EP0553066A3 EP0553066A3 (enrdf_load_stackoverflow) 1994-03-23

Family

ID=11361636

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19930830020 Withdrawn EP0553066A2 (en) 1992-01-23 1993-01-21 Improved shredding device

Country Status (2)

Country Link
EP (1) EP0553066A2 (enrdf_load_stackoverflow)
IT (1) IT1258810B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900016436A1 (it) * 2019-09-16 2021-03-16 Davide Salinas Dispositivo intelligente di triturazione di mozziconi di sigarette o piccoli rifiuti
CN114570477A (zh) * 2022-03-05 2022-06-03 江西省博林照明科技有限公司 一种均匀供料式球泡灯注塑装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2600161A1 (de) * 1975-01-08 1976-07-15 Metal Box Co Ltd Anordnung zum beseitigen von abfaellen
US4809915A (en) * 1988-03-07 1989-03-07 Affald International Inc. Waste disposal apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900016436A1 (it) * 2019-09-16 2021-03-16 Davide Salinas Dispositivo intelligente di triturazione di mozziconi di sigarette o piccoli rifiuti
CN114570477A (zh) * 2022-03-05 2022-06-03 江西省博林照明科技有限公司 一种均匀供料式球泡灯注塑装置
CN114570477B (zh) * 2022-03-05 2023-03-24 江西省博林照明科技有限公司 一种均匀供料式球泡灯注塑装置

Also Published As

Publication number Publication date
EP0553066A3 (enrdf_load_stackoverflow) 1994-03-23
IT1258810B (it) 1996-02-29
ITMI920114A1 (it) 1993-07-23
ITMI920114A0 (it) 1992-01-23

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