EP1247581B1 - Hammer crusher - Google Patents

Hammer crusher Download PDF

Info

Publication number
EP1247581B1
EP1247581B1 EP01202602A EP01202602A EP1247581B1 EP 1247581 B1 EP1247581 B1 EP 1247581B1 EP 01202602 A EP01202602 A EP 01202602A EP 01202602 A EP01202602 A EP 01202602A EP 1247581 B1 EP1247581 B1 EP 1247581B1
Authority
EP
European Patent Office
Prior art keywords
corridor
cage
crushed
plant
profiled wall
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
EP01202602A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1247581A3 (en
EP1247581A2 (en
Inventor
Giancarlo Bonfiglioli
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.)
Ing Bonfiglioli SpA
Original Assignee
Ing Bonfiglioli SpA
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 Ing Bonfiglioli SpA filed Critical Ing Bonfiglioli SpA
Priority to SI200130561T priority Critical patent/SI1247581T1/sl
Publication of EP1247581A2 publication Critical patent/EP1247581A2/en
Publication of EP1247581A3 publication Critical patent/EP1247581A3/en
Application granted granted Critical
Publication of EP1247581B1 publication Critical patent/EP1247581B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B02C19/00—Other disintegrating devices or methods
    • B02C19/0056—Other disintegrating devices or methods specially adapted for specific materials not otherwise provided for
    • B02C19/0062—Other disintegrating devices or methods specially adapted for specific materials not otherwise provided for specially adapted for shredding scrap metal, e.g. automobile bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/286—Feeding or discharge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/286—Feeding or discharge
    • B02C2013/28618—Feeding means
    • B02C2013/28627—Feeding means of ram or pusher type

Definitions

  • This invention relates to a crushing plant according to the pre-characterizing part of claim 1, commonly known as hammer crusher or mill.
  • a typical use of such crushing plant is in crushing ferrous and non-ferrous metal materials originating from the recovery of materials sent for scrap, and which are usually intended to be converted into raw material by melting and conditioning in a blast furnace.
  • Said materials can be in the form of parallelepiped pieces obtained for example by pressing automobile bodies, or variously shaped pieces originating from the dismantling of scrapped articles.
  • crushing plants comprising essentially a robust metal cage within which a rotor rotates at high speed.
  • the rotor Hinged to its periphery, the rotor carries a series of slabs, commonly known as hammers, which swing about a non-barycentric axis and are maintained facing outwards from the rotor by the centrifugal forces in play.
  • the cage presents a lateral loading mouth communicating with a service channel or corridor with which there is associated a pusher where the material to be crushed is amassed in the loose state.
  • feed means usually in the form of a pusher driven with reciprocating rectilinear movement to introduce into the cage the material to be crushed, which originates from the hopper.
  • the material is struck by the hammers which, either alone or in combination with at least one anvil fixed to the plant frame, reduce it into pieces of relatively small dimensions which pass through the meshes of the cage and collect on the outside of it.
  • An object of the invention is to improve the operation of the compactor member, within the context of a simple, rational, reliable and durable construction.
  • the cage 2 comprises a series of vertically lying curved flat elements 20, known as ribs, which are individually shaped as a sector of a circular ring, and are open towards the upper front region of the plant to form the loading mouth 22 for said cage 2.
  • the ribs 20 are joined together by the beams indicated by 21, which in their turn are fixed to the side walls 10 of the casing 1.
  • a rotor 3 comprising hammers 4, of known type, is rotatably mounted within the cage 2.
  • At least one of said beams 21 is more robust than the others and acts as the anvil for said hammers 4.
  • a box-shaped pusher 6 for pushing the material 5 towards the mouth 22 of the cage 2 under the control of a hydraulic cylinder-piston unit 7.
  • the downstream end of the corridor 110 is upperly open, and within it there is housed a movable profiled member 8 provided to compact the material 5 prior to its introduction into the cage 2.
  • said member 8 has substantially the shape of a bent wall the convexity of which faces the material 5 to be crushed.
  • it comprises two vertically lying arched lateral plates 80 which are positioned against the side walls 10 of the casing 1 (see Figure 3), and are connected together by two curved transverse walls 81 and 82, which provide said bent profile.
  • the wall 81 faces the base of the corridor 110, to form its respective roof portion, and the wall 82 faces the upstream region of the casing 1, to form together with the preceding ( Figures 1 and 2) the rear part of the hopper 111.
  • the movable member 8 is hinged on a transverse horizontal axis of rotation 83 positioned along the upper side of the loading mouth 22 of the cage 2, and is controlled by a hydraulic cylinder-piston unit 99, the body of which is hinged at 84 to a cross-member 85, and the rod of which is pivoted at 86 to the pointed part of the said member 8.
  • the hydraulic circuit serving the cylinder-piston unit 99 is provided with a suitable overpressure valve.
  • the hydraulic circuits serving the cylinder-piston units 7 and 99 are connected together operationally, in such a manner that said cylinder-piston units 7 and 99 act in synchronism in the following manner.
  • the pusher 6 When, after a stage involving the crushing of the material 5 present at the downstream end of the corridor 110, the member 8 is about to attain its raised rest position of Figure 1, the pusher 6 receives the enabling command to advance in order to transfer into the cage 2 the material previously crushed, and to position in its place new loose material to be crushed. After this the pusher 6 withdraws and, before it reaches its end-of-travel position, the member 8 is lowered as shown in Figure 2, in order to compact said new material, after which said stages of the cycle are repeated identically.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Saccharide Compounds (AREA)
EP01202602A 2001-04-04 2001-07-06 Hammer crusher Expired - Lifetime EP1247581B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200130561T SI1247581T1 (sl) 2001-04-04 2001-07-06 Kladivni drobilnik

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2001RE000032A ITRE20010032A1 (it) 2001-04-04 2001-04-04 Frantumatore a martelli
ITRE010032 2001-04-04

Publications (3)

Publication Number Publication Date
EP1247581A2 EP1247581A2 (en) 2002-10-09
EP1247581A3 EP1247581A3 (en) 2003-08-06
EP1247581B1 true EP1247581B1 (en) 2006-04-19

Family

ID=11454078

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01202602A Expired - Lifetime EP1247581B1 (en) 2001-04-04 2001-07-06 Hammer crusher

Country Status (11)

Country Link
EP (1) EP1247581B1 (sl)
AT (1) ATE323552T1 (sl)
BG (1) BG65094B1 (sl)
CZ (1) CZ299990B6 (sl)
DE (1) DE60118880T2 (sl)
ES (1) ES2261331T3 (sl)
HU (1) HUP0200833A3 (sl)
IT (1) ITRE20010032A1 (sl)
PT (1) PT1247581E (sl)
SI (1) SI1247581T1 (sl)
SK (1) SK286366B6 (sl)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITRE20040044A1 (it) * 2004-04-28 2004-07-28 Bonfiglioli Ing Spa Impianto di compattazione e frantumazione di rottami
FR2939703B1 (fr) * 2008-12-12 2011-01-14 Arnaud Becker Broyeur de faible encombrement muni d'un rotor incline par rapport a l'axe de la goulotte d'alimentation
FR2942975B1 (fr) * 2009-03-12 2011-05-20 Arnaud Becker Dispositif de compactage et de cisaillage prealable de produits a broyer
FR2948885B1 (fr) * 2009-08-06 2014-09-26 Arnaud Becker Dispositif compact de cisaillage ou dechiquetage et de broyage de produits a broyer
DE202010014764U1 (de) * 2010-10-31 2012-02-01 Weima Maschinenbau Gmbh Zerkleinerungsmaschine
RU2470710C1 (ru) * 2011-05-31 2012-12-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Восточно-Сибирский государственный университет технологий и управления" Устройство для регулирования степени измельчения материалов в безрешетной молотковой дробилке кормов
ITRE20120093A1 (it) * 2012-12-13 2014-06-14 Cesare Bonfiglioli Gruppo di frantumazione per rottami
IT201700108265A1 (it) 2017-09-27 2019-03-27 Acha S R L Pressa cesoia con ganasce perfezionate
CN108057501A (zh) * 2017-11-20 2018-05-22 郭巧明 一种园林施肥用结块肥料解块设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB771433A (en) * 1954-10-22 1957-04-03 Smidth & Co As F L Improvements in rotary crushing machines
DE1188095B (de) * 1964-01-03 1965-03-04 Lindemann Maschfab Gmbh Verfahren zur Gewinnung von Schrott
DE2225916A1 (de) * 1972-05-27 1973-12-13 Lindemann Maschfab Gmbh Verfahren zur gewinnung von metallschrott
US5213273A (en) * 1990-05-21 1993-05-25 Lindemann Maschinenfabrik Gmbh Hammer mill
DE4016295A1 (de) * 1990-05-21 1991-11-28 Lindemann Maschfab Gmbh Hammerbrecher
DE19708185C2 (de) * 1997-02-28 2002-07-11 Svedala Lindemann Gmbh Verfahren und Einrichtung zum Beschicken und Betreiben einer Anlage zum Zerkleinern von recycelbaren Alt-Gütern

Also Published As

Publication number Publication date
SI1247581T1 (sl) 2006-08-31
CZ2002884A3 (cs) 2002-11-13
ES2261331T3 (es) 2006-11-16
SK4312002A3 (en) 2003-02-04
BG106560A (en) 2003-09-30
ITRE20010032A1 (it) 2002-10-04
DE60118880D1 (de) 2006-05-24
BG65094B1 (bg) 2007-02-28
CZ299990B6 (cs) 2009-01-14
HUP0200833A2 (en) 2002-10-28
ITRE20010032A0 (it) 2001-04-04
EP1247581A3 (en) 2003-08-06
HUP0200833A3 (en) 2004-06-28
DE60118880T2 (de) 2006-09-07
SK286366B6 (sk) 2008-08-05
HU0200833D0 (sl) 2002-05-29
EP1247581A2 (en) 2002-10-09
PT1247581E (pt) 2006-08-31
ATE323552T1 (de) 2006-05-15

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