EP2214898B1 - Presse à rouleaux comportant deux rouleaux libres et procédé de centrage de deux rouleaux libres - Google Patents

Presse à rouleaux comportant deux rouleaux libres et procédé de centrage de deux rouleaux libres Download PDF

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Publication number
EP2214898B1
EP2214898B1 EP08856087.5A EP08856087A EP2214898B1 EP 2214898 B1 EP2214898 B1 EP 2214898B1 EP 08856087 A EP08856087 A EP 08856087A EP 2214898 B1 EP2214898 B1 EP 2214898B1
Authority
EP
European Patent Office
Prior art keywords
machine frame
pressure
rollers
roll press
cylinder
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
EP08856087.5A
Other languages
German (de)
English (en)
Other versions
EP2214898A1 (fr
Inventor
Christian Splinter
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.)
KHD Humboldt Wedag AG
Original Assignee
KHD Humboldt Wedag AG
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 KHD Humboldt Wedag AG filed Critical KHD Humboldt Wedag AG
Publication of EP2214898A1 publication Critical patent/EP2214898A1/fr
Application granted granted Critical
Publication of EP2214898B1 publication Critical patent/EP2214898B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B3/00—Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs
    • B30B3/04—Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs co-operating with one another, e.g. with co-operating cones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details
    • B02C4/32—Adjusting, applying pressure to, or controlling the distance between, milling members
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49718—Repairing

Definitions

  • the invention relates to a roller press for pressure treatment or for compacting granular Guts comprising two each rotatably mounted on a shaft in a machine frame and driven in opposite directions, separated by a nip Loswalzen, the waves of the Loswalzen received in the machine frame movably arranged bearing housings, and wherein respectively two arranged on one side of the rollers bearing housings of different rollers are interconnected via at least one Anpresszylinder having two pistons forming in the at least one Anpresszylinder two outer working spaces and a central working space, and a method for centering of idler rollers in a roller press the above mentioned type.
  • a first roller as a fixed roller immobile stored in bearings, which in turn are secured by bearing housings in a machine frame to consoles.
  • a second roller is mounted as a Loswalze in camps, which are arranged in between two consoles of the machine frame movably arranged bearing housings.
  • the hydraulic drives for relative positioning of the idler roller relative to the fixed roller and to maintain the pressure in the nip exert high forces on the machine frame as Abutment from what it is necessary to design the machine frame accordingly stable.
  • the roller press according to the invention for pressure treatment or for compacting granular material has two each rotatably mounted on a shaft in a machine frame and driven in opposite directions, separated by a nip idler rolls. It is provided that the waves of the Loswalzen are accommodated in the machine frame movably arranged bearing housings. Two bearing housings of different rollers, each arranged on one side of the rollers, are connected to one another via at least one pressure cylinder, which has two pistons which form two outer working spaces and a middle working space in the at least one pressure cylinder.
  • the outer working spaces of the at least one pressing cylinder have an opposing force effect have and are connected to each other medium pressure.
  • the at least one working cylinder In the fixed connection of the at least one working cylinder to the machine frame, the at least one working cylinder can exert no radial force with respect to the rollers on the machine frame, which goes beyond the force generated by the friction of the hydraulic piston in the working cylinder. Because of the opposing force of the different working spaces and the connection of the work spaces with each other any force that is transmitted through a working space of a Anpresszylinders on the machine frame, compensated by the force of the opposite working space of the same Anpresszylinders. In this case, the frictional connection for compensating the forces on the machine frame via the pressure medium is produced.
  • the machine frame receives axially directed forces with respect to the rollers, such as those caused by a change in the rotational position or by axial impacts of the rollers.
  • the two rollers are stored floating in the machine frame despite the connecting them together pressing cylinder, which are fixed in the machine frame.
  • the pressure cylinders can thus control the width of the nip but not the position of the nip.
  • the centering method according to the invention thus combines the advantages of different types of roller presses, namely those with a fixed roller and those with two loose rollers.
  • a piston of the pressure cylinder two pistons are provided which divide the cylinder into three spaces.
  • Each piston is connected to a pull rod, wherein a pull rod is led out to one side of the cylinder in each case.
  • the two outer rooms are used as work spaces. This means that when pressure is applied to the work spaces, both pull-out pull rods are pulled inward by the respective piston into the cylinder.
  • the space formed between the two pistons is filled either with compressed air or with inert gas, the pressure in the middle working space being used to overcome the friction of the pistons in the cylinder, but it is also possible to evacuate the working space, so that the pistons can abut one another without creating an opposite pressure by compressing the gas in the middle space.
  • the middle working space is accessible through a valve of selective ventilation. It is conceivable to make the middle working space fillable and also to apply pressure medium, for example, to move the rollers apart. In this case, the stroke of the pistons in the cylinder is restricted, so that the pistons do not move beyond the position of the supply valve of the central working space, thus making the middle working space powerless and short-circuiting the supply lines of the middle and the outer working space.
  • a force compensation is generated and through this connection can also be a single Pump used to generate pressure, which generates the pressure for all work spaces simultaneously. So it is not only possible to connect the working spaces of a cylinder with each other, but it is also possible to connect all working spaces of the pressure cylinder together.
  • the invention provides for movably connecting the bearing housings of the rollers via control cylinders to the machine frame.
  • the machine frame must absorb as an abutment for the control cylinder only the force that is necessary for the positioning of the rollers, but not the force that is necessary to maintain the pressure in the nip.
  • control cylinders are connected to the machine frame, wherein in each case a control cylinder is connected to a respective bearing housing of the two rollers.
  • the control cylinders control the position of the rollers. Paired in pairs, the roller pairs determine the rotational position of the rollers and, paired in parallel, the control cylinders determine the linear position of the rollers in the machine frame.
  • the working spaces of the control cylinders are connected to each other via a pump operating in four-quadrant operation.
  • this pump can affect the linear and the rotational position, in which the pressure medium present in the control system is pumped from one pair of control cylinders into the other pair.
  • each control cylinder it is also possible to design each control cylinder so that a working space is provided on both sides of the piston, so that the amount of oil present in the control system is the same at each position of both rollers.
  • the eight working spaces of the four control cylinders can be interconnected accordingly. The skilled person is here free to determine the appropriate control of the control cylinder.
  • the force of the control cylinder can be used as an additional contact force, however, must be derived via the machine frame as an abutment in contrast to the contact pressure by the Anpresszylinder with at least two working spaces and their pressure medium connection.
  • a machine frame between two carriers in each case receives two bearing housings in one direction movable.
  • the bearing housings include the bearing for the shafts and are each embraced by a traverse with respect to the movable direction in the machine frame outer side, wherein the traverse is pivotally connected to two Anzylinders, each having at least two pressure medium-connected Have workrooms with opposite direction of force.
  • the Anpresszylinder pull the trusses together and pull the bearing housing, because the trusses embrace the bearing housings.
  • FIG. 1 a roller press 10 according to the invention is shown, which has a machine frame 21 which receives the components of the roller press 10.
  • the machine frame 21 consists, among other sub-elements of the frame members 22, 23, 24 and 25, and the arms 26 and 27, which form a unit via a bridge 28 with the machine frame 21.
  • the rollers 30 and 31 are accommodated, which are formed as Loswalzen and the rollers 30 and 31 are mounted on the shafts 32 and 33 in bearing housings 34, 35, 36 and 37, in which there are corresponding shaft bearings.
  • the bearing housings 34, 35, 36 and 37 are surrounded by traverses 40, 41, 42 and 43, which are connected via tie rods 44, 45, 46, 47, 48, 49, 50 and 51 with the pressure cylinders 60, 70, 80 and 90 together are connected, wherein in this perspective view, the pressure cylinders 80 and 90 are not visible. These are arranged behind the plane of the paper and are covered by the frame members 22 and 23 and by the rollers 30 and 31.
  • the rollers 30 and 31 are arranged on the shafts 32 and 33 and the bearing housings 34, 35, 36 and 37 floating in the machine frame 21. That is, the rollers 30 and 31 can slide back and forth along the frame members 22, 23, 24 and 25 or rotate rotationally therein as far as the stroke in the pressure cylinders 60, 70, 80 and 90 permits.
  • the position of the rollers 30 and 31 via the control cylinder 100, 110, 120 and 130 is set, the control cylinders 100 and 120 engage a vertical sub-element of the machine frame 21 and each connect a bearing housing 34 and 36 to the machine frame 21 movable.
  • Both control cylinders 100 and 120 cooperate with other control cylinders 110 and 130 disposed on beams 26 and 27 to adjust the position of the first closed power system from the bearing housings 36 and 37, the tie rods 44, 45, 46 and 47 and the crossbars 40 and 41 and the second closed power system from the bearing housings 34 and 35, as well as the tie rods, not shown, and the trusses, which point in this view to the paper back.
  • the force of the control cylinders 100, 110, 120 and 130 is derived via the machine frame 21 as an abutment.
  • FIG. 2 the roller press 10 is shown in a side view, clearly recognizing the closed power system of the trusses 40 and 41, the connecting them to the Anpresszylindern 60 and 70 tie rods 44, 45, 46 and 47 and the bearing housings 36 and 37.
  • the pressure cylinders 60 and 70 are fixedly connected to the frame members 24 and 25, no other force is exerted on the machine frame 21 by the pressure cylinders 60 and 70 than by the friction of the pistons 64 and 65 in the cylinders of the pressure cylinders 60 and 70 arise.
  • the machine frame 21 is closed to the left and open to the right, with the control cylinders 110 and 130 (not visible here) engaging arms 26 (not visible) and 27 to control the position of the above closed system of forces.
  • the machine frame 21 is connected by the beams 26 and 27 through a bridge 28 connecting them to the frame members 22 and 24.
  • a bridge 28 connecting them to the frame members 22 and 24.
  • the bridge 28 is dimensioned so wide that the rollers 30 and 31 can be removed together with the shafts 32 and 33 from the machine frame 21 without major work being required, such as the dismantling of a hydraulic system.
  • FIG. 3 is a schematic view of a Anpresszylinders 60 shown having three working spaces 61, 62 and 63, which arise by the division of the Anpresszylinders 60 by the two pistons 64 and 65. If only the two outer working spaces 61 and 63 are used for pressing the two rollers 30 and 31, 61 and 63, the position of both pistons in the cylinder can vary in pressure medium connection of the working chambers, since the piston powerless with respect to the attachment of the cylinder on the machine frame 21 act. For both work spaces 61 and 63 transmit an equal and opposing force on the pressure cylinder 60, so that it always remains force neutral with respect to its own position.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Press Drives And Press Lines (AREA)
  • Crushing And Grinding (AREA)
  • Soil Working Implements (AREA)
  • Road Paving Machines (AREA)

Claims (8)

  1. Presse à rouleaux (10) pour le traitement par compression ou pour le compactage de matière granuleuse, présentant :
    - deux rouleaux libres (30, 31) supportés chacun à rotation par le biais d'un arbre (32, 33) dans un cadre de machine (21) et entraînés en sens inverse, séparés l'un de l'autre par un espace entre rouleaux,
    - les arbres (32, 33) des rouleaux libres (30, 31) étant reçus dans des logements de palier (34, 35, 36, 37) disposés de manière déplaçable dans le cadre de machine (21), et
    - à chaque fois deux logements de palier (34, 35, 36, 37) de différents rouleaux (30, 31), disposés d'un côté des rouleaux (30, 31), étant connectés l'un à l'autre par le biais d'au moins un cylindre de pressage (60, 70, 80, 90), qui présente deux pistons (64, 65), qui constituent dans l'au moins un cylindre de pressage (60, 70, 80, 90) deux espaces de travail extérieurs (61, 63) et un espace de travail central (62),
    caractérisée en ce que
    - les espaces de travail extérieurs (61, 63) de l'au moins un cylindre de pressage (60, 70, 80, 90) présentent une application de force en sens inverse et sont connectés l'un à l'autre par engagement par moyen de pression, et en ce que
    - l'espace de travail central (62) est rempli de gaz, évacué ou est réalisé de manière à pouvoir être ventilé et désaéré de manière sélective.
  2. Presse à rouleaux selon la revendication 1,
    caractérisée en ce que
    l'au moins un cylindre de pressage (60, 70, 80, 90) est connecté fixement au cadre de machine (21).
  3. Presse à rouleaux selon l'une quelconque des revendications 1 à 2,
    caractérisée en ce que
    l'au moins un cylindre de pressage (60, 70, 80, 90) est connecté de manière articulée à des traverses (40, 41, 42, 43) qui viennent en prise à chaque fois autour d'un logement de palier (34, 35, 36, 37).
  4. Presse à rouleaux selon l'une quelconque des revendications 1 à 3,
    caractérisée en ce que
    les logements de palier (34, 35, 36, 37) sont connectés de manière déplaçable avec le cadre de machine (21) par le biais de cylindres de commande (100, 110, 120, 130).
  5. Presse à rouleaux selon la revendication 4,
    caractérisée en ce que
    les espaces de travail des cylindres de commande (100, 110, 120, 130) sont connectés les uns aux autres, les cylindres de commande (100, 110, 120, 130) étant connectés les uns aux autres de préférence par le biais d'un dispositif de commande qui fonctionne en mode à quatre quadrants.
  6. Procédé de centrage de deux rouleaux libres (30, 31) dans une presse à rouleaux (10) pour le traitement par compression ou pour le compactage de matière granuleuse selon la revendication 1.
  7. Procédé selon la revendication 6, caractérisé par le positionnement de l'espace entre rouleaux par les cylindres de commande (100, 110, 120, 130), qui relient à chaque fois, de manière déplaçable avec le cadre de machine (21), un logement de palier respectif (34, 35, 36, 37).
  8. Procédé selon la revendication 7,
    caractérisé par
    la connexion des cylindres de commande (100, 110, 120, 130) par un dispositif de commande qui fonctionne suivant un mode de fonctionnement à quatre quadrants.
EP08856087.5A 2007-12-07 2008-12-01 Presse à rouleaux comportant deux rouleaux libres et procédé de centrage de deux rouleaux libres Not-in-force EP2214898B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007059072A DE102007059072A1 (de) 2007-12-07 2007-12-07 Rollenpresse mit zwei Losrollen
PCT/EP2008/066550 WO2009071514A1 (fr) 2007-12-07 2008-12-01 Presse à rouleaux comportant deux rouleaux libres

Publications (2)

Publication Number Publication Date
EP2214898A1 EP2214898A1 (fr) 2010-08-11
EP2214898B1 true EP2214898B1 (fr) 2016-03-16

Family

ID=40336401

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08856087.5A Not-in-force EP2214898B1 (fr) 2007-12-07 2008-12-01 Presse à rouleaux comportant deux rouleaux libres et procédé de centrage de deux rouleaux libres

Country Status (9)

Country Link
US (1) US8795563B2 (fr)
EP (1) EP2214898B1 (fr)
AU (1) AU2008333277B2 (fr)
CL (1) CL2008003644A1 (fr)
DE (1) DE102007059072A1 (fr)
DK (1) DK2214898T3 (fr)
PE (1) PE20091600A1 (fr)
RU (1) RU2490132C2 (fr)
WO (1) WO2009071514A1 (fr)

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CN101596473B (zh) * 2009-06-16 2011-07-20 中钢集团安徽天源科技股份有限公司 金属矿用高压辊磨机
DE102010015374B4 (de) * 2010-04-20 2015-03-12 Khd Humboldt Wedag Gmbh Maschinenrahmen für eine Walzenpresse
DE102010024231B4 (de) 2010-06-18 2015-02-12 Khd Humboldt Wedag Gmbh Rollenpresse mit Momentenwaage
CN102407178A (zh) * 2011-12-15 2012-04-11 成都利君科技有限责任公司 油缸作用力均载缓冲机构
US8708265B2 (en) 2012-04-20 2014-04-29 Metso Minerals Industries, Inc. Roller crusher with balancing cylinders
US8695907B2 (en) 2012-04-20 2014-04-15 Metso Minerals Industries, Inc. Roller crusher with cheek plates
CN102671735B (zh) * 2012-05-08 2014-03-05 成都光华科技发展有限公司 辊压机液压系统及其压力自动稳压装置
DE102012112102B3 (de) 2012-12-11 2013-12-24 Maschinenfabrik Köppern GmbH & Co KG Walzenpresse
WO2014189919A1 (fr) * 2013-05-20 2014-11-27 Flsmidth A/S Presse à rouleau et bâti associé
DE102013010220A1 (de) 2013-06-18 2014-12-18 Khd Humboldt Wedag Gmbh Hochdruck-Walzenpresse mit Pendelaufhängung
DE102013106458A1 (de) * 2013-06-20 2014-12-24 Thyssenkrupp Industrial Solutions Ag Walzenmühle zur Zerkleinerung von sprödem Mahlgut
CN104044946B (zh) * 2014-05-27 2016-12-07 苏州巨康缝制机器人有限公司 一种来料压平机构
WO2016048814A1 (fr) * 2014-09-25 2016-03-31 Flsmidth A/S Dispositif de fixation mobile pour presses à rouleaux et procédé pour retirer certaines parties de celui-ci
DE102014015247B4 (de) * 2014-10-16 2017-06-08 Khd Humboldt Wedag Gmbh Rollenpresse mit verbreitertem Rahmenkopf
DE102015209280A1 (de) * 2015-05-21 2016-11-24 Takraf Gmbh Maschinenrahmen für einen Walzenbrecher
US10391675B2 (en) * 2016-04-22 2019-08-27 Millco Product Solutions Llc Convertible recycling apparatus for synthetic resin materials
DE102019119070B4 (de) * 2019-07-15 2023-05-25 Takraf Gmbh Maschinenrahmen für walzenpresse
DE102020110468A1 (de) 2020-04-17 2021-10-21 Khd Humboldt Wedag Gmbh Verfahren zur Regelung der Dämpfung der Bewegung einer Presswalze einer Hochdruckwalzenpresse und korrespondierende Hochdruckwalzenpresse
CN112619779B (zh) * 2020-12-30 2022-05-27 南宁市广厨厨房设备制造有限公司 用于厨余垃圾回收处理系统的粉碎设备及其系统
CN113117811B (zh) * 2021-05-04 2023-02-07 昆明理工大学 一种矿物加工多级式破碎细化装置
CN113858390B (zh) * 2021-10-09 2023-05-12 临沂银凤机械有限公司 一种特种陶瓷制品加工用轧模成型装置

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EP1459813A2 (fr) * 2003-03-21 2004-09-22 Sundwig GmbH Cylindre de réglage pour le laminage d'acier ou du métal non ferreux

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EP1459813A2 (fr) * 2003-03-21 2004-09-22 Sundwig GmbH Cylindre de réglage pour le laminage d'acier ou du métal non ferreux

Also Published As

Publication number Publication date
DE102007059072A1 (de) 2009-06-10
AU2008333277A1 (en) 2009-06-11
PE20091600A1 (es) 2009-10-21
US8795563B2 (en) 2014-08-05
DK2214898T3 (en) 2016-07-04
EP2214898A1 (fr) 2010-08-11
CL2008003644A1 (es) 2009-05-08
RU2010108977A (ru) 2012-01-20
AU2008333277B2 (en) 2013-05-09
WO2009071514A1 (fr) 2009-06-11
RU2490132C2 (ru) 2013-08-20
US20100310702A1 (en) 2010-12-09

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