EP0458059B2 - Hammerbrecher - Google Patents

Hammerbrecher Download PDF

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Publication number
EP0458059B2
EP0458059B2 EP91106078A EP91106078A EP0458059B2 EP 0458059 B2 EP0458059 B2 EP 0458059B2 EP 91106078 A EP91106078 A EP 91106078A EP 91106078 A EP91106078 A EP 91106078A EP 0458059 B2 EP0458059 B2 EP 0458059B2
Authority
EP
European Patent Office
Prior art keywords
rotor
hammer
grid
housing
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
EP91106078A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0458059B1 (de
EP0458059A1 (de
Inventor
Wilhelm Linnerz
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.)
Metso Lindemann GmbH
Original Assignee
Lindemann Maschinenfabrik 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6406864&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0458059(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Lindemann Maschinenfabrik GmbH filed Critical Lindemann Maschinenfabrik GmbH
Priority to AT91106078T priority Critical patent/ATE93413T1/de
Publication of EP0458059A1 publication Critical patent/EP0458059A1/de
Publication of EP0458059B1 publication Critical patent/EP0458059B1/de
Application granted granted Critical
Publication of EP0458059B2 publication Critical patent/EP0458059B2/de
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
    • B02C13/282—Shape or inner surface of mill-housings
    • B02C13/284—Built-in screens
    • 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
    • B02C2013/28663—Feeding means using rollers
    • 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
    • B02C2013/2869—Arrangements of feed and discharge means in relation to each other

Definitions

  • the invention relates to a hammer crusher for crushing metal scrap, consisting of a housing in which a hammer rotor rotates with rotatable hammers, with a material inlet arranged on the upwardly rotating side of the rotor, a classifying grate and an impact chute open towards the hammer rotor.
  • a hammer crusher of this type is known from German patent specification 27 13 177.
  • the crushing of the often bulky scrap, such as car bodies or medium-weight mixed scrap, takes place both through the interaction of the rotor hammers with anvils arranged at a distance from the impact circle of the hammers and through impact of the material on the inner walls of the impact shaft against which the material is thrown .
  • the rotor hammers are freely rotatable in freely selectable number and distribution on axle rods arranged parallel to the rotor shaft and are spaced apart on the circumference of the rotor.
  • the upper edge of the material inlet opening is part of an exchangeable anvil and is brought up to the gap in the hammer impact circle; a further anvil can be located on the lower edge of the baffle chute side wall adjacent to the product outlet and thus - seen in the direction of rotation of the rotor - above the grating of the product outlet opposite the product inlet.
  • the hammers cut or tear off material parts from the metal scrap fed in with the anvil at the material inlet as a counter-tool and fling these parts against the walls of the hammer rotor with its lower opening spanning the material inlet to the material outlet to the impact shaft.
  • This deforms for example, impacting sheet metal parts with detachment of adhering impurities with simultaneous material compression, while more solid metal parts are deformed less, but are also freed of adhering impurities before they are picked up again by the hammers before the material exits.
  • the rotor When processing heavy goods, the rotor is usually driven relatively slowly. A coarse part in the area of the hammer impact circle in the housing of the hammer breaker, particularly in the case of a slowly rotating rotor, can often not be crushed by the impinging rotor and occasionally cannot even be passed because the rotor hammer can be in such an unfavorable kinematic position at the point of impact that it cannot evade -Rotation movement to perform its axle rod more. Also, there is often an at least brief placement of the rotor hammer (s) on the often heavy coarse part blocking the impact circle.
  • reaction force caused when placed on the coarse part under such circumstances can break the bearing axes or the bearing hammers carrying the rotor hammers due to the unfavorable leverage conditions that result.
  • the invention has for its object to improve a generic hammer crusher so that the susceptibility to failure is reduced without affecting the crushing result.
  • the wall of the impact shaft opposite the product inlet is a pivotable, together with a classifying grate reaching to the housing base, resiliently flexible, automatically swinging out outlet wall.
  • the housing base can be used as a pivotable, resilient, automatically swinging grate rocker with the possibility, depending on the nature of the metal scrap to be shredded, either to position the outlet wall as closely as possible to the rotor or its hammer circle or to set a desired large gap between the rotor and the outlet wall.
  • the outlet wall When the outlet wall is positioned close to the rotor, the metal scrap fed into the closed impact shaft undergoes intensive impact treatment Exposed to cleaning and compaction of the material; Material brought to the opening dimension of the grating of the outlet wall can escape to the outside, while material which has not yet been sufficiently comminuted and compressed is further exposed to the comminution process and undergoes at least one further comminution cycle.
  • the outlet wall can be set at a correspondingly large distance from the rotor.
  • the entire material to be comminuted with the heavy coarse particles contained therein is safely conveyed to the outside via the gap between the swinging outlet wall and the rotor, so that no coarse parts can get into the bottom area of the hammer crusher; a placement of the rotor hammers on a heavy coarse part and thus damage to the axle rods or the rotor itself are prevented.
  • a gap which is large enough to be able to be set in the area of the housing base Coarse parts can fall out downwards.
  • outlet wall and the grating rocker are supported on pivot axes guided through the housing and at least one end of each pivot axis outside the housing is provided with a lever arm which is engaged by a hydraulic cylinder, then resilient, automatically swinging mounting of the outlet wall and / or Arrange a pressure relief valve in the grating arm in the pressure line of the hydraulic cylinders.
  • the end of the grating rocker facing the classifying grate of the outlet wall - which is curved like the grating rocker - has an anvil. If a heavy coarse part should not have been conveyed outward through the opening gap when the outlet wall swung open, such a coarse part is either further crushed on impact with the anvil before it then reaches the area of the bottom-side grating rocker which forms the outlet for the product, or that The major part exerts such a large radial force on the anvil that the grate rocker swings open resiliently.
  • the housing base and the outlet wall with their below the impact shaft are approximately at the height of the impact circle of the rotor hammers and extend at least as far as possible to the grating rocker extending to the horizontal plane containing the rotor axis hired to the rotor.
  • a hammer crusher 1 has a housing 2, which is anchored to a substructure 4 by means of supports 3.
  • a hammer rotor 5 rotates in the direction of rotation 6, the shaft 7 of which on both sides in on bearing blocks 8 attached bearings 9 is mounted (see. Fig. 2).
  • the hammer rotor 5 consists of a plurality of rotor disks 11 lined up at a distance on the shaft 7, between which hammers 12 are rotatably held on axes 13 which penetrate the rotor disks 11 at a radial distance from and parallel to the shaft 7.
  • the shaft 7 is connected to a drive via a coupling (not shown).
  • a good inlet 14 and a good outlet 15 are provided in the housing 2.
  • the material inlet 14 is arranged on the upward rotating side of the hammer rotor 5.
  • the upper edge of the material inlet is part of an exchangeable anvil 16 and is brought up close to the hammer impact circle 17 of the hammer rotor 5.
  • an upper and a lower feed roller 19, 21 and a precompression wall 22 are connected upstream of the crop inlet 14.
  • At least one swivel cylinder 23 engages the precompression wall 22, which pivots the precompaction wall 22 out of its out-of-service position, shown in dash-dot lines, into the supply duct from above and pre-compresses the material (metal scrap) and reduces its volume.
  • the nip 24 between the feed rollers 19, 21 is adjusted according to the degree of precompaction; the upper feed roller 19 is therefore supported in a pivot lever 25 which allows the adjustment of the roller gap 24.
  • the part of the housing located above the hammer rotor 5 is designed as an impact shaft 26 which is only open at the bottom.
  • the baffle shaft 26 is covered with a cover wall 27 which extends tangentially to the direction of rotation 6 of the hammer rotor 5.
  • the height h of the impact shaft is approximately D / 2 to D of the hammer rotor 5.
  • the diameter D of the hammer rotor is approximately between 1.5 m to 2.5 m. With a smaller D, the dimension h more closely corresponds to the dimension D, while with a larger D, h approaches the dimension D / 2.
  • the good exit 15 is designed in several parts; it consists of the material inlet 14 opposite, designed as a pivotable outlet wall 28 with a grating 33 end wall of the baffle shaft 26 and a grate rocker 29 of the housing base 32.
  • the housing base 32 has a subsequent in the direction of rotation 6 of the grate rocker 29, extending to the product inlet 14 Bottom shell 31.
  • the outlet wall 28 of the baffle shaft 26 extends with its wall extension designed as a grating 33 to the housing base 32; the grading grate 33 is positioned below the impact shaft 26 and above the hammer rotor 5, approximately at the height of the hammer impact circle 17, and, like the grating rocker 29 and the bottom shell 31 of the housing base 32, runs in an arc shape.
  • the classifying grate 33 ends in the immediate vicinity in front of an anvil 34 of the grating rocker 29.
  • the anvil 34 with its upper edge facing the direction of rotation 6 of the hammer rotor 5, lies below the horizontal axis 35 going through the rotor shaft 7.
  • Both the outlet wall 28 and the grate rocker 29 are supported on pivot axes 36, 37 which are guided outwards through the housing 2.
  • the pivot axes 36, 37 are provided with lever arms 39, 41 on their two axle ends 38 lying outside the housing 2, to each of which one Hydraulic cylinder 42 attacks (see. Fig. 2).
  • the hydraulic cylinders 42 are with their rear ends in bearing blocks 43 of the housing 2 (see FIG. 2) or bearing blocks 44 in the area of a dust extraction 45 of the housing 2 and with their piston rods 46 on the lever arms 39, 41 of the outlet wall 28 or the Rust rocker 29 articulated.
  • the outlet wall 28 with its classifying grate 33 and the grating rocker 29 can be opened from their closed operating position shown in solid lines in FIG. 1, in which they are placed as close as possible to the impact circle 17, into the open ones shown in FIG. 1 with broken lines , adjust the swivel positions that are swinging away from the hammer rotor 5.
  • a pressure relief valve 48 which is connected to a tank 51 by a line 49, is arranged in each of the pressure lines 47 opening in front of the loaded piston surfaces of the hydraulic cylinders 42, not shown.
  • the valves 48 allow a resilient arrangement of the product outlet 15, i.e. the outlet wall 28 and the grate rocker 29, and not only when these parts of the product outlet are in the closed operating position shown in solid lines in FIG. 1, but also in the pivoted-out - as indicated by dash-dotted lines - operating positions.
  • the hammers cut or tear off 12 material parts from the supplied material and hurl the parts tangentially into the baffle shaft 26, essentially onto the top wall 27 arranged above the baffle shaft 26. This deforms the impacting shot parts in the sense of agglomeration. Parts of material that are wine-sized enough and are thrown at sufficient speed precisely into the grate openings of the grating 33 of the outlet wall 28 the outlet wall 28 or the grating 33 pass immediately.
  • a coarse part that is not conveyed away via the outlet wall 28 or the grating 33 is further reduced; if, however, it should still not have been comminuted so that it can be discharged through the openings of the grate rocker 29, the grate rocker 29 also yields resiliently and automatically by one of the thickness of the coarse part due to the pressure relief valves 48 arranged in the pressure lines 47 of its cylinders 42 corresponding gap.
  • the coarse part is ejected without blocking the hammers 12 and / or the hammer rotor 5.
  • the outlet wall 28 with the classifying grate 33 and the grating rocker 29 can not only be preset in the desired opening positions, but it is also possible for them in any operating position to yield in a resilient manner in the direction of rotation 6 of the rotor 5.
  • such outlet openings can be set from the outset in accordance with the material that is fed in that heavy and coarse components are removed from the comminution process at desired points; if large parts still remain in the shredding process and are pulled by the hammer rotor 5 in the direction of rotation 6. can the outlet wall 28 with the classification rust 33 and / or the rust rocker 29 from the hammer rotor 5 dodge. Wedging of the coarse parts between the hammer rotor 5, the material outlet 15, i.e. the outlet wall 28 or the grating rocker 29 is thus prevented.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
EP91106078A 1990-05-21 1991-04-17 Hammerbrecher Expired - Lifetime EP0458059B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT91106078T ATE93413T1 (de) 1990-05-21 1991-04-17 Hammerbrecher.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4016295A DE4016295A1 (de) 1990-05-21 1990-05-21 Hammerbrecher
DE4016295 1990-05-21

Publications (3)

Publication Number Publication Date
EP0458059A1 EP0458059A1 (de) 1991-11-27
EP0458059B1 EP0458059B1 (de) 1993-08-25
EP0458059B2 true EP0458059B2 (de) 1997-03-05

Family

ID=6406864

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91106078A Expired - Lifetime EP0458059B2 (de) 1990-05-21 1991-04-17 Hammerbrecher

Country Status (11)

Country Link
EP (1) EP0458059B2 (ja)
JP (1) JP2966137B2 (ja)
AR (1) AR247987A1 (ja)
AT (1) ATE93413T1 (ja)
AU (1) AU636751B2 (ja)
BR (1) BR9102066A (ja)
CZ (1) CZ283493B6 (ja)
DE (2) DE4016295A1 (ja)
ES (1) ES2043403T3 (ja)
RU (1) RU1837970C (ja)
SK (1) SK278876B6 (ja)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4128373A1 (de) * 1991-08-27 1993-03-04 Rudi Goldau Verfahren und vorrichtung zum zerkleinern von gut
DE4311435B4 (de) * 1993-04-07 2005-10-06 Werner Doppstadt Zerkleinerungsmaschine mit Nachzerkleinerungskorb
DE4317287C2 (de) * 1993-05-25 1997-02-27 Thyssen Industrie Zerkleinerungsvorrichtung für insbesondere Schrott
DE4317288C2 (de) * 1993-05-25 1995-05-04 Thyssen Industrie Zerkleinerungsvorrichtung für insbesondere Schrott, Industrie- und/oder Hausmüll
DE4328506C1 (de) * 1993-08-25 1995-02-09 Buerener Maschf Gmbh Spänebrecher
FR2713107B1 (fr) * 1993-11-30 1996-05-31 Ferrailles Cie Fse Broyeur à porte ajourée, utilisé pour le broyage des automobiles.
DE9410330U1 (de) * 1994-06-27 1994-09-15 Doppstadt, Werner, 42555 Velbert Schlegeltrommel für eine Zerkleinerungsmaschine
DE19547828A1 (de) * 1995-12-21 1997-06-26 Krupp Foerdertechnik Gmbh Verfahren und Vorrichtung zur Einstellung der maximalen Körnung von gebrochenem oder gemahlenem Stückgut
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
DE19712587C2 (de) * 1997-03-26 2001-11-15 Svedala Lindemann Gmbh Gehäuse für eine Zerkleinerungsmaschine
US5996913A (en) * 1998-05-18 1999-12-07 Svedala Lindemann Gmbh Method and device for feeding and operating a facility for comminuting recyclable scrap material
ITRE20010032A1 (it) * 2001-04-04 2002-10-04 Bonfiglioli Ing Spa Frantumatore a martelli
JP4681888B2 (ja) * 2005-01-14 2011-05-11 日立建機株式会社 木材破砕機
DE102011119595A1 (de) * 2011-11-29 2013-05-29 Pallmann Maschinenfabrik Gmbh & Co Kg Vorrichtung zum Zerkleinern von Aufgabegut
FI10114U1 (fi) 2013-05-22 2013-06-06 Bmh Technology Oy Murskain
FR3011851A1 (fr) * 2013-10-16 2015-04-17 Fives Cail Babcock Dispositif defibreur destine au defibrage de la canne a sucre
CN105903541B (zh) * 2016-03-08 2018-09-21 马琳 筛破系统布置工艺
CN106040414A (zh) * 2016-06-27 2016-10-26 马琳 筛破系统布置结构
IT201700108265A1 (it) * 2017-09-27 2019-03-27 Acha S R L Pressa cesoia con ganasce perfezionate
CN108787143A (zh) * 2018-07-20 2018-11-13 福建美斯拓机械设备有限公司 一种反击式制砂机
JOP20190121A1 (ar) * 2018-07-26 2020-01-26 .جسم حجرة مركبة لكسارة كبيرة المساحة
CN110975992A (zh) * 2019-11-25 2020-04-10 衡阳阳光陶瓷有限公司 一种多级振动筛选的陶瓷原料筛选装置
DE102020102607A1 (de) * 2020-02-03 2021-08-05 Albert Hoffmann Gmbh Hammermühle
EP4284561A1 (en) 2021-01-29 2023-12-06 Fravizel - Equipamentos Metalomecânicos, S.A. A hammer rotor and a fragmenting apparatus for fragmenting a whole stone slab
CN113262846A (zh) * 2021-05-31 2021-08-17 内江师范学院 秸秆破碎除尘一体化设备
CN113413966B (zh) * 2021-06-25 2022-08-23 浙江武精机器制造有限公司 一种封闭式喂料降尘的反击式破碎机
CN114210399B (zh) * 2021-12-24 2023-03-03 江苏宥拓新材料有限公司 一种石墨烯分散油墨加工用三辊研磨机
WO2024051932A1 (en) * 2022-09-06 2024-03-14 Autoneum Management Ag Process for recycling automotive elastomeric trim waste

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1262108B (de) * 1966-01-19 1968-02-29 Ind G M B H Doppelrotor-Hammerbrecher
AT277725B (de) * 1966-10-07 1970-01-12 Franz Wageneder Prallmühle mit um eine horizontale Welle umlaufendem Rotor und im Mühlengehäuse fest angeordneten Prallplatten, insbesondere für die Steinzerkleinerung bis zur Sandfeinheit
US4061277A (en) * 1976-09-20 1977-12-06 Sivyer Steel Corporation Shredder with grate cartridge
DE2713177C2 (de) * 1977-03-25 1989-06-08 Lindemann Maschinenfabrik GmbH, 4000 Düsseldorf Hammerbrecher
US4385732A (en) * 1980-08-29 1983-05-31 Williams Robert M Waste material breaking and shredding apparatus
DE3147634C2 (de) * 1981-12-02 1984-12-13 Lindemann Maschinenfabrik Gmbh, 4000 Duesseldorf Papierzerkleinerer und Verfahren zum Betrieb
DE3234298C2 (de) * 1982-09-16 1985-12-19 Lindemann Maschinenfabrik GmbH, 4000 Düsseldorf Hammerbrecher
DE3624826A1 (de) * 1986-07-23 1988-02-04 Lindemann Maschfab Gmbh Rost fuer zerkleinerungsmaschinen
GB8722260D0 (en) * 1987-09-22 1987-10-28 Metpro Machinery Hammermills
DD276433A1 (de) * 1988-10-27 1990-02-28 Komb Metallaufbereitung Veb Hammerbrecher mit absenkbarem siebrost

Also Published As

Publication number Publication date
EP0458059B1 (de) 1993-08-25
CZ283493B6 (cs) 1998-04-15
DE4016295C2 (ja) 1993-05-27
JPH04227861A (ja) 1992-08-17
EP0458059A1 (de) 1991-11-27
ATE93413T1 (de) 1993-09-15
CS9101479A2 (en) 1991-12-17
RU1837970C (ru) 1993-08-30
AU7707291A (en) 1991-11-21
AU636751B2 (en) 1993-05-06
DE59100317D1 (de) 1993-09-30
DE4016295A1 (de) 1991-11-28
AR247987A1 (es) 1995-05-31
BR9102066A (pt) 1991-12-24
JP2966137B2 (ja) 1999-10-25
ES2043403T3 (es) 1993-12-16
SK278876B6 (sk) 1998-04-08

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