EP0254173B2 - Rost für Zerkleinerungsmaschinen - Google Patents

Rost für Zerkleinerungsmaschinen Download PDF

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Publication number
EP0254173B2
EP0254173B2 EP87110072A EP87110072A EP0254173B2 EP 0254173 B2 EP0254173 B2 EP 0254173B2 EP 87110072 A EP87110072 A EP 87110072A EP 87110072 A EP87110072 A EP 87110072A EP 0254173 B2 EP0254173 B2 EP 0254173B2
Authority
EP
European Patent Office
Prior art keywords
comminuting
machine according
grate
die
operating elements
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
EP87110072A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0254173A2 (de
EP0254173A3 (en
EP0254173B1 (de
Inventor
Gabriele Greiner
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.)
Lyndex Recycling Systems Ltd
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=6305750&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0254173(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
Publication of EP0254173A2 publication Critical patent/EP0254173A2/de
Publication of EP0254173A3 publication Critical patent/EP0254173A3/de
Application granted granted Critical
Publication of EP0254173B1 publication Critical patent/EP0254173B1/de
Publication of EP0254173B2 publication Critical patent/EP0254173B2/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
    • 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

Definitions

  • the invention relates to a comminution machine according to the preamble of patent claim 1.
  • a crushing machine of the above type, but which is only intended for metal scrap, is described in DE-A-22 25 916.
  • this known shredding machine the design in the area of the grate or the grate arranged in the outlet area exerts an indirect or direct influence on the shredding result.
  • such machines are less well suited for the waste and valuable materials processing industries, because the specific requirements that are placed on the quality of the end product, for example with regard to different piece sizes or fineness levels and / or densities, can only be achieved by using different types of outlet grates with varying ones Grate openings are met, which would have to be exchanged for one another in accordance with the desired final reduction result.
  • the invention has for its object to mechanize the conversion of the machine in a comminution machine of the type described above, for which the feed material is not intended to be limited to scrap metal, however, in order to avoid the disadvantages described above.
  • FR-A-2 527 477 discloses a shredding machine which has only a single-layer grate.
  • the active elements can also consist of adjustable layers with holes of different sizes, a different hole geometry also being possible.
  • different hole geometries are understood in particular to mean both different geometrical configurations of the holes, such as round or square holes, and various hole arrangements.
  • the relative setting of the active elements to one another is preferably achieved in that the layers forming the active elements are either pivotally or displaceably mounted relative to one another. This measure ensures particularly practical handling and time-saving control of the adjustment of the active elements with respect to one another without machine downtime and disassembly, it being advisable to provide a step-by-step adjustment with impact.
  • the invention and the device according to the invention offer the possibility, in the view of the operating personnel, of inserting or removing the comminution element required for the preparation of the particular material being driven during operation of the machine.
  • easily crushable bark is fed to the device according to the invention, which does not require any special measures for shredding; in the meantime, stronger branches and roots can be abandoned that cannot be easily shredded.
  • the operating personnel can immediately switch the machine according to the invention to the changed operating situation during operation by showing the patrix, which then protrudes through the die openings, so that the branches or roots given an additional crushing effect, whereby the Processing is significantly intensified.
  • scrap processing industry is another possible area of application.
  • refrigerated scrap high-density scrap, which is added towards the end of the melting process to calm and / or cool batches
  • refrigerated scrap high-density scrap, which is added towards the end of the melting process to calm and / or cool batches
  • Refrigerated scrap for the converter in blowing steel plants This scrap should have a density of at least 1.0 to 1.3 t / m 3 .
  • Refrigerated scrap for the ladle which is fed in during the metallurgical finishing of the steel. This scrap must meet certain alloying requirements and be capable of being bunkered because it is fed in automatically operating metering and charging systems.
  • the density should be 1.6 to 1.7 t / m 3 .
  • Cooling scrap for the ladle This scrap must have a density of approx. 7.0 t / m 3 in order to be able to penetrate the liquid metal through the slag layer when the bath is calm.
  • the dimensions should be approximately 15 to 20 mm in diameter and 100 mm in length.
  • the crushing machine generally designated 1, has a housing 2, which stands on a base plate 3.
  • a zerklei runs in the housing 2 n réellesrotor 4 in the direction of rotation R, the shaft 5 is mounted on both sides in bearings, not shown, mounted on pedestals.
  • the rotor 4 consists of several rotor disks 6 lined up at a distance from one another on the shaft 5, between which, in the exemplary embodiment shown in FIG. 1, only indicated cutting tools 7 are rotatably mounted on axes 8, which parallel the rotor disks 6 at a radial distance from the shaft 5 to enforce the latter.
  • the shaft 5 is connected to a drive via a clutch disc (not shown).
  • a good inlet 9 and good exits 10a and 10b are provided in the housing 2, a good inlet 9 and good exits 10a and 10b are provided.
  • the material inlet 9 is arranged on the downward rotating side of the comminution rotor 4 at the level of the horizontal plane HH containing the rotor axis
  • the part of the housing 2 above the comminution rotor 4 is designed as an impact chute 12 open at the top and bottom, the height of which is approximately the diameter, for example the crushing rotor 4 corresponds to the top of the baffle 12 is covered with a grating or outlet grate 13 which is provided with grate openings 14 and extends perpendicular to the axis of the baffle 12.
  • the classification or Outlet grate 13 can be closed by a cover plate 15 which is pivotably mounted about an axis 16 by means of hydraulic cylinders (not shown). By appropriately opening or closing the cover plate 15, it is also possible to influence the desired comminution result and the final density.
  • a hood 17 is arranged above the classifying grate 13, on which the material thrown out of the grate openings when the flap 15 is open is deflected downward and then passes through an opening 18 to the outside. Any coarse parts which can be shredded and rotated in the housing 2 can be ejected through a flap 19 which can be pivoted about an axis 20 into the impact shaft 12.
  • the second outlet 10a which is also rust-like and is arranged downstream of the material inlet 9 in the direction of rotation R of the rotor 4, is designed according to the invention as follows:
  • the circular-shaped housing part (s) 21 containing the grate (s) 21 is or are in the exemplary embodiment shown in constructed in the radial direction from a plurality of layers forming active elements 22, the active elements 22 in the exemplary embodiment shown being designed as interlocking dies 23 and dies 24 and being displaceable or pivotable relative to one another.
  • Preferred shapes or designs of matrices or patrices according to the invention are described in more detail below.
  • gratings designed according to the invention can be arranged and provided at all points on the machine housing, e.g. in the housing base (as shown) as a cover for an outlet grate lying above the rotor or as a side outlet grate, for example in all spatial positions.
  • the die 23 and the patrix 24 are mounted so as to be pivotable about a common pivot axis 25.
  • Two hydraulic cylinders 26 - which are fastened on the one hand to the male part 24 and on the other hand to the housing 2 of the comminution machine 1 via articulated connections 27a and 27b - are used for opening, closing and / or blending, i.e. Penetrating or reaching through and pivoting the male 24 and / or female 23 into the various desired positions, each of which is required to adapt to the required piece size or fineness and / or density.
  • corresponding coupling elements 28 for example a screw connection shown in FIGS.
  • FIG. 1 the housing base 30 or the die 23 forms the housing part 21 of the comminution machine 1 which contains the grate.
  • the male part 24 is in the pivoted-in state and engages in the die 23. In this way, a closed housing base 30 is created.
  • the active elements 22, here die 23 and / or male 24, can be exchanged relatively easily with other active elements 22.
  • the fastening elements 31 securing the swivel axis 25 and screwed to the die 23 and the fastening elements 32 by means of which the head 33 of the swivel axis 25 is fastened to the housing 2 are loosened. Then the pivot axis 25 can be pulled axially outwards to the recess 34 in the housing 2, so that the die 23 can be freely replaced downwards.
  • the male part 24 is screwed onto a frame 24a, so that it can also be exchanged for any other male part at any time without great effort, for example only by loosening the fastening elements or the screws 35 shown in FIG. 11.
  • FIG. 4 shows, for example, a position of the active elements 22 in which maintenance work on the comminution machine can be carried out particularly well and any material blockages can also be removed.
  • the male part 36 is designed such that, as shown in FIG. 6, its protrusions extend or are pushed through the female part 37 and protrude beyond the inner surface 30 of the male part, then, for example, a grinding or tear tear occurs with certain materials, or in the case of scrap, for example, a so-called "mattress effect", which protects the housing base 30 against wear.
  • the protrusions of the male part 36 are briefly pierced by the female part 37, the female part holes 37a could be cleaned and / or blockages removed from easily clogged materials.
  • FIG. 7 shows an alternative die 39, in which the die holes 39a act as a stop due to a corresponding design - preferably an essentially L-shaped longitudinal section.
  • a spacer 42 is arranged on a threaded bolt 40 which is guided through the male part 39 and is provided with a rotary lock 41.
  • the spacer 42 is, as can be seen from Fig. 8, in the male frame 38a, arranged crosswise (see Fig.
  • the spacer is countersunk in the lower elongated hole 43 by correspondingly rotating the screw cap 41 and thus the spacer 42, as a result of which the die 39 is lowered accordingly and the die 38 is pushed through through the die holes 39a, as shown in FIG. 9 .
  • the die and patrix shown in the exemplary embodiments need not be made in one piece, but can be used within the scope of the invention e.g. can also be divided radially, that is to say formed in two parts, in order to enable the manipulation possibilities previously described in the one-piece construction with the arrangement of corresponding additional adjustment drives.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Crushing And Grinding (AREA)
EP87110072A 1986-07-23 1987-07-13 Rost für Zerkleinerungsmaschinen Expired - Lifetime EP0254173B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863624826 DE3624826A1 (de) 1986-07-23 1986-07-23 Rost fuer zerkleinerungsmaschinen
DE3624826 1986-07-23

Publications (4)

Publication Number Publication Date
EP0254173A2 EP0254173A2 (de) 1988-01-27
EP0254173A3 EP0254173A3 (en) 1989-02-01
EP0254173B1 EP0254173B1 (de) 1991-04-03
EP0254173B2 true EP0254173B2 (de) 1994-08-10

Family

ID=6305750

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87110072A Expired - Lifetime EP0254173B2 (de) 1986-07-23 1987-07-13 Rost für Zerkleinerungsmaschinen

Country Status (6)

Country Link
US (2) US4836457A (cg-RX-API-DMAC10.html)
EP (1) EP0254173B2 (cg-RX-API-DMAC10.html)
JP (1) JPS6336846A (cg-RX-API-DMAC10.html)
BR (1) BR8703828A (cg-RX-API-DMAC10.html)
DE (2) DE3624826A1 (cg-RX-API-DMAC10.html)
ES (2) ES2013587T5 (cg-RX-API-DMAC10.html)

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Also Published As

Publication number Publication date
DE3624826C2 (cg-RX-API-DMAC10.html) 1990-02-08
BR8703828A (pt) 1988-03-29
EP0254173A2 (de) 1988-01-27
EP0254173A3 (en) 1989-02-01
ES2013587A4 (es) 1990-05-16
US4982904A (en) 1991-01-08
DE3624826A1 (de) 1988-02-04
JPH0464745B2 (cg-RX-API-DMAC10.html) 1992-10-15
DE3769026D1 (de) 1991-05-08
JPS6336846A (ja) 1988-02-17
EP0254173B1 (de) 1991-04-03
US4836457A (en) 1989-06-06
ES2013587T5 (es) 1995-08-16
ES2013587B3 (es) 1991-08-01

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