EP2012924B1 - Auswurfklappe für zerkleinerer - Google Patents

Auswurfklappe für zerkleinerer Download PDF

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Publication number
EP2012924B1
EP2012924B1 EP07731329.4A EP07731329A EP2012924B1 EP 2012924 B1 EP2012924 B1 EP 2012924B1 EP 07731329 A EP07731329 A EP 07731329A EP 2012924 B1 EP2012924 B1 EP 2012924B1
Authority
EP
European Patent Office
Prior art keywords
ejection door
ejection
door
deflector
plate
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.)
Not-in-force
Application number
EP07731329.4A
Other languages
English (en)
French (fr)
Other versions
EP2012924A1 (de
Inventor
Jean-Luc Mossotti
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2012924A1 publication Critical patent/EP2012924A1/de
Application granted granted Critical
Publication of EP2012924B1 publication Critical patent/EP2012924B1/de
Not-in-force 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
    • 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
    • B02C13/282—Shape or inner surface of mill-housings

Definitions

  • the invention is in the field of machine tools of the type of industrial mills and particularly, without restriction, shredders scrap.
  • the invention is in fact an improvement of existing mills which allows an increase in the hourly production of crushed material, a decrease in the intensity load of the electric motor driving the mill, a significant decrease in the wear of the inner walls of the mill. as well as hammers of the grinding rotor and the anvil.
  • the current grinders (see figure 1 ), particularly scrap shredders, consist of an internal main casing inside which rotates a rotor driven by an electric motor. Said rotor is provided on its periphery with hammers adapted to cooperate with the edge of an anvil integral with the housing.
  • the housing has an inner wall covered with heavy-duty armor plates.
  • the material to be ground is injected into the casing through an opening generally located near the rotor.
  • the material to be ground is conveyed to the mill by a conveyor belt which feeds the mill continuously.
  • the material to be ground is driven by the rotation of the rotor, crushed by crushing between the hammers of the rotor and an anvil.
  • the fragments of crushed material are then dragged tangentially on the wall of the casing to the portion opposite the feed opening to be projected in the upper part of the casing which comprises a grid disposed above the rotor and whose dimension of meshes is defined to determine the granulometry of the output product: only the crushed material fragments having reached the desired particle size, defined by the mesh size of the grid, can be ejected.
  • fragments of comminuted material having reached the desired particle size is meant in the present text fragments whose particle size is that defined by the dimensions of the grid located in the upper part of the housing or a smaller particle size.
  • the side wall of the housing is provided, under the level of the grid, an airtight ejection door, closed during the grinding time and moved by jacks.
  • This door has the function of allowing the immediate ejection of pieces imbroyant material so that they do not remain in the grinding circuit and do not lead to degradation of the rotor and / or hammers and / or the anvil and / or walls of the housing.
  • the document US 4813620 discloses metal grinders comprising on the inner side face of their housing a door (9) disposed vertically along the wall of the rotor bowl which never obstructs the rotor housing.
  • This door (9) is provided with parallel deflectors arranged perpendicularly to the axis of rotation of said door, that is to say vertically relative to the direction of ejection of scrap pieces scraped. Said deflectors are, by 2, separated by a given distance and thus delimit a chute of the size of the pieces to be ejected.
  • said door and the deflectors that it carries form in fact a grid for calibrating and ejecting crushed pieces of scrap.
  • This also has the effect of increasing the wear of the housing walls and the hammers of the rotor because of the friction generated by these fragments that could be avoided if said fragments had been ejected.
  • the invention makes it possible to overcome the disadvantages of the existing systems and to considerably improve the performance of the mill while increasing the service life of the mill parts (crankcase walls, hammers, rotor, anvil) with the result that the load is reduced. of the electric motor driving the grinding rotor.
  • the invention proposes an ejection door for a crusher casing, particularly a scrap crusher, characterized in that it comprises at least one light of defined dimensions and at least one deflector positioned facing and above said light, on the inner face of the ejection door forming a predefined acute angle of attack with said ejection door, said deflector being positioned parallel to the axis of rotation of the ejection door.
  • said ejection door is a door for a crusher housing side wall.
  • the applicant has been able to show that the piercing in the ejection door, particularly when the door is located in the side wall of the housing, lights defined dimensions and laying on the inner face of this door, to the inside the housing, a deflector oriented substantially towards the axis of the rotor, at said lights substantially on the upper edge of the light, covering said slots and forming an acute angle of given dimension with said ejection door, thus providing an additional permanent opening in the housing, allows the fragments having the desired particle size to be ejected at any time, even when they do not have the climbing speed to cross the grid.
  • the baffle may be fixed by any appropriate means either directly to the ejection door or to a plate that will be attached to the ejection door.
  • the deflector can be fixed on the ejection door between the axis of articulation of the door on the housing, when it is placed at the upper part of said door and the upper edge light.
  • the purpose of the deflector is to create an obstacle in the circuit of fragments of crushed material that revolves around the rotor. Said fragments then hit the obstacle and are returned to the opening thus made in the ejection door of the mill.
  • the lights thus made in the ejection door having predefined dimensions corresponding to the desired particle size, only the crushed fragments of desired particle size can then pass through said light and be ejected from the housing in a receptacle provided for this purpose. The fragments of higher particle size are stopped by the edges of the lights and then fall back into the circuit and feed the rotor.
  • baffle coming to rest on each of the side walls, these walls also make it possible to solidify the assembly by creating a support for the deflector on the ejection door.
  • the side walls have the dimensions defined by the length of the baffle, the height of the ejection door and the angle of attack formed by the baffle and the part on which the deflector is fixed.
  • the side walls can be fixed by any appropriate means either directly on the ejection door, or on a plate on which can also be fixed the deflector and which will be attached to the ejection door.
  • a preferred attachment means of the side walls is the weld.
  • the invention proposes to provide at least one exhaust hood on the ejection door of a mill.
  • the ejection door itself has dimensions identical to that of a conventional ejection door and may be in the same material as originally supplied by the mill manufacturer in which it is installed.
  • the ejection door equipped with the present invention can be either the original door in which the lights are cleaned and on which a deflector and side walls are provided, or be an ejection door equipped with the invention. manufactured on demand. In this latter variant the manufactured door will replace that originally provided by the manufacturer of the mill in which it is installed. In this case the ejection door equipped with the present invention will have the dimensions of the original door and will be manufactured in any material compatible with the use for which it is provided. Mention may be made, for example, of steel, particularly without limitation, molded manganese steel or even chromium-vanadium steel.
  • the ejection door comprises a plurality of lights, they are formed next to each other along the longitudinal axis of the ejection door.
  • the lights can take any known shape. They can be circular, square, rectangular, triangular, or elliptical. Preferably the lights have a square shape.
  • the dimensions of the lumens are defined by the particle size of the crushed material fragments that are to be obtained.
  • the skilled person knows how to adapt said dimensions to the particle size that he wishes to obtain.
  • the baffle is advantageously mounted removably on the door, which facilitates replacement after wear.
  • the deflector can be attached directly to the ejection door and fixed thereto reversibly by any appropriate means, such as for example screwing, bolting, welding, interlocking or slide mounting. .
  • the deflector may be attached to a plate of the same material or material different from that of the deflector, itself comprising at least one light having at least the dimensions of the light made in the door of ejection and said plate having outer dimensions greater than those of light, this plate being mounted on the door reversibly by any suitable means.
  • the invention therefore also relates to an ejection door plate (9, 19, 29, 39, 49) for a material crusher casing (1) as previously described, itself comprising at least one light having at least one less the dimensions of the light made in the ejection door and said plate having external dimensions greater than those of the light, this plate being mounted on the door reversibly by any appropriate means.
  • the invention therefore also relates to the use of a plate according to claim 12 on an ejection door (9, 19, 29, 39, 49) for a crusher casing (1) as described in FIG. any of claims 1 to 11.
  • the deflector may be attached to the plate by any suitable means.
  • the baffle can be welded to the plate.
  • the plate and the baffle are molded in one piece, which has the advantage of ensuring better resistance of the assembly to shocks produced during grinding.
  • the fastening means can then be any reversible fastening means such as screwing, bolting, interlocking or slide mounting.
  • bolts are used in a sufficient number to ensure the strength of the assembly.
  • the plate / baffle / sidewalls assembly can be attached directly to the inner face of the ejection door without it having undergone any other modification than the piercing of the lights.
  • a mortise with the exact dimensions of the plate is made in the ejection door on its inner face, around the light. Once positioned in the mortise, the plate / deflector / sidewalls assembly is reversibly fixed to the ejection door for example screwing, bolting, interlocking or slide mounting.
  • the baffle and / or the plate and / or the side walls may be made of any material suitable for the purpose for which they are intended.
  • they may be manganese-molded steel or anti-abrasion welded steel of the HARDOX® (Swedish Steel, Sweden), CREUSABO® or equivalent (ARCELOR, France) type.
  • the invention can be adapted to any ejection door of any existing mill, they may have varying dimensions. It is therefore understood that depending on the dimensions of the ejection door and the defined dimensions of the lights in said door, the number of light can be variable. Those skilled in the art will be able to adapt the number of light to the dimensions of the ejection door. Advantageously, those skilled in the art will take care to practice as much light as possible depending on the dimensions of the ejection door in order to obtain a maximum ejection efficiency.
  • the deflector there is one or more lights, it can be unique that is to say, one piece covering all the lights, or multiple for example one per light.
  • the assembly then comprises sidewalls distributed one on each side of the light.
  • the set may have as many pairs of side walls, divided in pairs each on each side of a light. It is also possible to imagine that if there are n lights the set has n + 1 side walls, the same wall can be positioned between lights.
  • the ejection door according to the invention may comprise several lights, as many deflectors as lights and side walls on each side of the lights on which the deflectors come to bear.
  • the invention also relates to a material crusher, particularly a scrap mill, comprising an ejection door as described above.
  • the invention relates to a material crusher, particularly a scrap crusher, comprising an internal main casing, at least one rotor, hammers on said rotor, at least one anvil, a closed crankcase and covered with shielding plates. resistant, an opening supply, an ejection grid disposed above the rotor and an ejection door, said ejection door as described above.
  • the invention also relates to the use of an ejection door as described above in a material mill, particularly a scrap mill.
  • the figure 1 represents a cross-section of a conventional scrap mill, in which are represented the inner main casing 1, the rotor 2, the hammers 3, the anvil 4, the closed bottom of the casing and covered with resistant armor plates 5, the supply opening 6, the material to be ground 7, the gate 8 disposed above the rotor and the ejection door 9.
  • the figure 2 represents a transverse section of a scrap mill according to the invention in which are represented the ejection door 19, the light 10 made in said ejection door 19, the deflector 12 and the inner face 11 of said door 'ejection.
  • the figure 3 represents a side view of a baffle piece 22, mechanically welded on a plate 23, at an angle of attack 25, said plate itself having a light 20.
  • the piece is further provided with of side walls 26 and bolts 27.
  • the assembly is shown mounted on an ejection door 29.
  • the deflector may have a length of between 200 and 1200 mm, preferably between 300 and 550 mm.
  • the angle of attack can be between 5 and 80 degrees, preferably between 30 and 45 degrees.
  • the deflector and / or the plate and / or the side walls may have a thickness of between 10 and 90 mm, preferably between 35 and 45 mm.
  • the dimensions of the plate will be at least greater than 30 cm to 50 cm with respect to the dimensions of the light, preferably greater than 20 cm to 30 cm.
  • the number of bolts may be between 4 and 6, preferably 6 and said bolts may be of any diameter provided that it is greater than or equal to 35 mm.
  • the figure 4 is a front view of this piece according to the arrow of the figure 3 ; on which are represented the internal face 31 of the ejection door 39, the square-shaped light 30, the bolts 37, the plate 33, the deflector 32 and the side walls 36.
  • the dimension of the light side can be between 30 mm and 250 mm, preferably between 50 and 200 mm.
  • a particularly advantageous size is 140 mm.
  • the figure 5 is a view of the inner side of an ejection door 49 adapted to receive as many deflectors as there are lights on which are represented the lights 40, the mortises 45 and the location of the bolts 47.
  • the figure 6 is a sectional view of the door of the figure 5 along the axis AA on which the light 50 and the mortise 55 are shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Crushing And Grinding (AREA)

Claims (16)

  1. Auswurfklappe (9, 19, 29, 39, 49) im Gehäuse eines Materialzerkleinerers (1), insbesondere eines Schrottzerkleinerers mit wenigstens einem Loch (10, 20, 30, 40, 50) mit definierten Abmessungen, das von einer Seite zur anderen durch die Querachse der genannten Klappe geschnitten ist, dadurch gekennzeichnet, dass sie wenigstens einen Deflektor (12, 22, 32) umfasst, der gegenüber dem genannten Loch und oberhalb davon auf der Innenfläche der Auswurfklappe (11, 31) unter Bildung eines vordefinierten spitzen Angriffswinkels (25) mit der genannten Auswurfklappe positioniert ist, wobei der genannte Deflektor parallel zur Drehachse der Auswurfklappe positioniert ist.
  2. Auswurfklappe nach Anspruch 1, dadurch gekennzeichnet, dass der Deflektor (12, 22, 32) auf umkehrbare Weise direkt an der Auswurfklappe angebracht und befestigt ist.
  3. Auswurfklappe nach Anspruch 1, dadurch gekennzeichnet, dass der Deflektor (12, 22, 32) an einer Platte (23, 33) angebracht und befestigt ist, die wiederum ein Loch (10, 20, 30, 40, 50) mit wenigstens den Abmessungen des in die Auswurfklappe geschnittenen Lochs hat, wobei die Außenabmessungen der genannten Platte größer sind als die des Lochs.
  4. Auswurfklappe nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass sie ferner Seitenwände (26, 36) aufweist, die lotrecht zu der Auswurfklappe auf jeder Seite der ein oder mehreren Löcher angeordnet sind und an denen der Deflektor zur Anlage kommt.
  5. Auswurfklappe nach Anspruch 4, dadurch gekennzeichnet, dass die Baugruppe aus Platte/Deflektor/Seitenwände direkt an der Innenfläche der Auswurfklappe angebracht ist.
  6. Auswurfklappe nach Anspruch 4, dadurch gekennzeichnet, dass die Baugruppe aus Platte/Deflektor/Seitenwände mittels eines Schlitzes (45) an der Innenfläche der Auswurfklappe angebracht und auf umkehrbare Weise an der Auswurfklappe befestigt ist.
  7. Auswurfklappe nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass sie mehrere Löcher aufweist, die Seite an Seite entlang der Längsachse der Auswurfklappe geschnitten sind.
  8. Auswurfklappe nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass sie ferner wenigstens zwei Seitenwände umfasst, die lotrecht zu der Auswurfklappe angeordnet sind und an denen der Deflektor zur Anlage kommt.
  9. Auswurfklappe nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass sie mehrere Löcher, so viele Deflektoren wie Löcher und Seitenwände an jeder Seite der Löcher umfasst, an denen die Deflektoren zur Anlage kommen.
  10. Auswurfklappe nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass der Deflektor im Wesentlichen in Richtung der Achse des Rotors orientiert ist.
  11. Auswurfklappe nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass der Deflektor an der Auswurfklappe zwischen der Gelenkachse der Klappe am Gehäuse und dem oberen Rand des Lochs befestigt ist.
  12. Platte der Auswurfklappe (9, 19, 29, 39, 49) im Gehäuse eines Materialzerkleinerers (1) wie in einem der Ansprüche 3 bis 11 beschrieben, wobei die genannte Platte selbst wenigstens ein Loch mit wenigstens den Abmessungen des in die Auswurfklappe geschnittenen Lochs aufweist und die genannte Platte Außenabmessungen hat, die größer sind als die des Lochs, wobei diese Platte mit beliebigen geeigneten Mitteln auf umkehrbare Weise an der Klappe montiert ist.
  13. Verwendung einer Platte nach Anspruch 12 an einer Auswurfklappe (9, 19, 29, 39, 49) für das Gehäuse eines Materialzerkleinerers (1) wie in einem der Ansprüche 3 bis 11 beschrieben.
  14. Materialzerkleinerer, insbesondere ein Schrottzerkleinerer, der eine Auswurfklappe nach einem der Ansprüche 1 bis 11 umfasst.
  15. Materialzerkleinerer, insbesondere ein Schrottzerkleinerer, der ein inneres Hauptgehäuse, wenigstens einen Rotor, Hämmer an dem genannten Rotor, wenigstens einen Amboss, einen mit resistenten Panzerplatten bedeckten geschlossenen Gehäuseboden, eine Zuführungsöffnung, ein Auswurfgitter über dem Rotor und eine Auswurfklappe umfasst, wobei die genannte Auswurfklappe einem der Ansprüche 1 bis 11 entspricht.
  16. Verwendung einer Auswurfklappe wie zuvor beschrieben in einem Materialzerkleinerer, insbesondere einem Schrottzerkleinerer, wie in einem der Ansprüche 14 oder 15 beschrieben.
EP07731329.4A 2006-04-25 2007-04-20 Auswurfklappe für zerkleinerer Not-in-force EP2012924B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0603652A FR2900068B1 (fr) 2006-04-25 2006-04-25 Porte d'ejection pour broyeur
PCT/FR2007/000666 WO2007125187A1 (fr) 2006-04-25 2007-04-20 Porte d'éjection pour broyeur de matière

Publications (2)

Publication Number Publication Date
EP2012924A1 EP2012924A1 (de) 2009-01-14
EP2012924B1 true EP2012924B1 (de) 2017-03-15

Family

ID=37505708

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07731329.4A Not-in-force EP2012924B1 (de) 2006-04-25 2007-04-20 Auswurfklappe für zerkleinerer

Country Status (11)

Country Link
US (1) US8061639B2 (de)
EP (1) EP2012924B1 (de)
JP (1) JP5006386B2 (de)
AR (1) AR060556A1 (de)
AU (1) AU2007245612B2 (de)
BR (1) BRPI0710698A2 (de)
CA (1) CA2648677C (de)
ES (1) ES2565434T3 (de)
FR (1) FR2900068B1 (de)
WO (1) WO2007125187A1 (de)
ZA (1) ZA200808700B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2900068B1 (fr) * 2006-04-25 2008-06-20 Jean Luc Mossotti Porte d'ejection pour broyeur
FR2956042A1 (fr) 2010-02-05 2011-08-12 Jean Luc Mossotti Bloc de protection pour rotor de broyeur de materiau
CN102233290A (zh) * 2011-05-01 2011-11-09 浙江黑白矿山机械有限公司 一种低进位全周角反击式破碎机
CN111001470B (zh) * 2019-12-20 2021-04-23 博思英诺科技(北京)有限公司 一种土壤修复用筛分装置

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DE2225916A1 (de) * 1972-05-27 1973-12-13 Lindemann Maschfab Gmbh Verfahren zur gewinnung von metallschrott
GB2068310A (en) * 1980-02-05 1981-08-12 Sector Hovercraft Ltd Hovercraft propulsion unit with thrust reverser
FR2527477B1 (fr) * 1982-05-25 1988-05-20 Mach Applic Environnement Broyeur a marteaux a dispositif d'ejection perfectionne
DE3643529C1 (de) * 1986-12-19 1988-03-17 Thyssen Industrie Sortiereinrichtung im Gutauslass einer Zerkleinerungsmaschine fuer Schrott
JPS63144843U (de) * 1987-03-13 1988-09-22
JPS63315155A (ja) * 1987-06-16 1988-12-22 手塚興産株式会社 破砕機
JPH0817960B2 (ja) * 1988-02-23 1996-02-28 イシカワ金属株式会社 破砕装置
FR2634399B1 (fr) * 1988-07-19 1990-10-26 Becker Arnaud Broyeur a marteaux pour le dechiquetage d'objets metalliques
EP0376011B1 (de) * 1988-12-27 1994-04-20 Thyssen Industrie Ag Gehäuse für eine Schrott-Zerkleinerungsmaschine
ATE104573T1 (de) * 1988-12-27 1994-05-15 Thyssen Industrie Gehaeuse fuer eine schrott-zerkleinerungsmaschine.
JPH0729063B2 (ja) * 1993-01-18 1995-04-05 株式会社青南エンジニア 破砕機
US5482343A (en) * 1994-07-25 1996-01-09 The Excello Specialty Company Vehicle door and water deflector
DE19712587C2 (de) * 1997-03-26 2001-11-15 Svedala Lindemann Gmbh Gehäuse für eine Zerkleinerungsmaschine
JP3071431B1 (ja) * 1999-10-18 2000-07-31 藤川金属株式会社 金属廃材の破砕加工方法
JP4152068B2 (ja) * 2000-12-25 2008-09-17 株式会社小松製作所 タブ式破砕装置
JP4071500B2 (ja) * 2002-01-16 2008-04-02 株式会社小松製作所 タブ式破砕機用ビット、タブ式破砕機、自走式タブ式破砕機
FR2900068B1 (fr) * 2006-04-25 2008-06-20 Jean Luc Mossotti Porte d'ejection pour broyeur

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Also Published As

Publication number Publication date
BRPI0710698A2 (pt) 2011-08-23
CA2648677C (fr) 2014-04-01
US20090256019A1 (en) 2009-10-15
CA2648677A1 (fr) 2007-11-08
EP2012924A1 (de) 2009-01-14
WO2007125187A1 (fr) 2007-11-08
JP2009534185A (ja) 2009-09-24
ZA200808700B (en) 2009-06-24
JP5006386B2 (ja) 2012-08-22
FR2900068A1 (fr) 2007-10-26
AU2007245612B2 (en) 2010-09-09
AR060556A1 (es) 2008-06-25
US8061639B2 (en) 2011-11-22
FR2900068B1 (fr) 2008-06-20
ES2565434T3 (es) 2017-07-17
AU2007245612A1 (en) 2007-11-08
ES2565434T1 (es) 2016-04-04

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