EP2214898A1 - Presse à rouleaux comportant deux rouleaux libres - Google Patents

Presse à rouleaux comportant deux rouleaux libres

Info

Publication number
EP2214898A1
EP2214898A1 EP08856087A EP08856087A EP2214898A1 EP 2214898 A1 EP2214898 A1 EP 2214898A1 EP 08856087 A EP08856087 A EP 08856087A EP 08856087 A EP08856087 A EP 08856087A EP 2214898 A1 EP2214898 A1 EP 2214898A1
Authority
EP
European Patent Office
Prior art keywords
machine frame
pressure
rollers
cylinder
roller press
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.)
Granted
Application number
EP08856087A
Other languages
German (de)
English (en)
Other versions
EP2214898B1 (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

Links

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 pressure cylinder, which has at least two working spaces and a method for centering idler rollers in a roller press of the type mentioned above.
  • 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 floating roller relative to the hard roller and to maintain the pressure in the nip exert high forces on the machine frame as an abutment, for which it is necessary to design the machine frame accordingly stable.
  • both rollers of the roller press as idler rollers, these two idler rollers being connected to one another via the bearings and the bearing housings and via hydraulic drives.
  • the rollers, the bearings, the bearing housings and the hydraulic drives form a closed force system, which relieves the machine frame and thus can be dimensioned to a lesser extent.
  • This arrangement has proven itself in practice.
  • it is necessary to disassemble the machine frame and separate the bearing housings from the pressure cylinders. Since the pressure cylinders are part of a closed power system, a free suspension of the heavy pressure cylinder is necessary, with the result that the hydraulic lines must be flexible hoses.
  • the object of the invention is therefore to provide a roller press and a method for roll centering, which requires a machine frame of lesser extent and whose rollers are easier to change.
  • 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 at least two working spaces.
  • the working spaces of the at least one pressing cylinder have an opposing force effect and are connected to one another by pressure medium.
  • machine frame takes on axially directed forces with respect to the rollers, which arise, for example, 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.
  • two pistons are provided in a cylinder of the pressure cylinder, 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 either compressed air KHD Humboldt Wedag GmbH 01.12.2008
  • 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.
  • rollers in the machine frame statically indefinite, because the rollers can change the linear and also the rotational position, as far as the possible stroke in the Anpresszylindern allowed. Therefore, it is necessary to use, in addition to the large-sized pressure cylinders, control cylinders which determine the position of the rollers.
  • 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 chambers of the control cylinders are connected to each other via a pump, which operates 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 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 adjusted accordingly.
  • 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 on one side with respect to the movable direction in the machine frame outer side of a crossmember, wherein the traverse is pivotally connected to two Anzylinders, each having at least two pressure fluidly connected working spaces with opposite direction of force exhibit.
  • the Anpresszylinder pull the trusses together and pull the bearing housing, because the trusses embrace the bearing housings.
  • Fig. 1 is a perspective view of a roller press according to the invention KHD Humboldt Wedag GmbH 01.12.2008
  • Fig. 2 is a side view of the roller press according to the invention
  • Fig. 3 is a schematic representation of a Anpresszylinders according to the invention
  • FIG. 1 shows a roller press 10 according to the invention, 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 of traverses 40, 41, 42 and 43 are encompassed, which via tie rods 44, 45, 46, 47, 48, 49, 50 and 51 with the pressure cylinders 60, 70, 80 and 90 are interconnected, 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, 1 10, 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 1 10 and 130, which are arranged on arms 26 and 27, together to the position of the first closed power system from the bearing housings 36 and KHD Humboldt Wedag GmbH 01.12.2008
  • the force of the control cylinder 100, 1 10, 120 and 130 via the machine frame 21 is derived as an abutment.
  • the roller press 10 is shown in a side view, clearly recognizing the closed power system of the trusses 40 and 41, they connect with 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 1 10 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.
  • 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 shows a schematic view of a pressing cylinder 60 which has three working spaces 61, 62 and 63 which are formed by the division of the pressing cylinder 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.

Landscapes

  • 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)

Abstract

L'invention concerne une presse à rouleaux servant à traiter par compression ou à compacter une matière granuleuse, présentant deux rouleaux libres montés respectivement de manière à pouvoir tourner dans un bâti par l'intermédiaire d'un arbre, entraînés dans des directions opposées et séparés par un espace, les arbres des rouleaux libres étant logés dans des logements de paliers disposés de manière à pouvoir se déplacer dans le bâti. Deux logements de paliers de rouleaux différents, placés sur un côté des rouleaux, sont reliés par l'intermédiaire d'au moins un cylindre d'appui qui présente au moins deux chambres de travail. L'invention concerne également un procédé pour centrer des rouleaux libres dans une presse à rouleaux du type mentionnée ci-dessus. Selon l'invention, les forces desdites au moins deux chambres de travail agissent dans des directions opposées, lesdites chambres communiquant de façon à assurer la circulation du fluide hydraulique, ce qui permet de positionner le système hydraulique de manière fixe sur le bâti, les rouleaux étant cependant montés de manière flottante dans le bâti.
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 true EP2214898A1 (fr) 2010-08-11
EP2214898B1 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)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2653228A1 (fr) 2012-04-20 2013-10-23 Metso Minerals Industries, Inc. Broyeur à rouleaux avec des pannéaux latéraux
EP2653227A1 (fr) 2012-04-20 2013-10-23 Metso Minerals Industries, Inc. Cylindres équilibrants
RU225104U1 (ru) * 2024-02-07 2024-04-15 Андрей Анатольевич Гришин Валковая дробилка

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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
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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DE3015321A1 (de) * 1980-04-22 1981-10-29 Sundwiger Eisenhütte Maschinenfabrik Grah & Co, 5870 Hemer Vorrichtung zum einstellen der arbeitswalzen eines aus stuetz- und arbeitswalzen bestehenden walzgeruestes
GB2252517A (en) * 1991-02-07 1992-08-12 Smidth & Co As F L Roller press with torque counter balancing
DE10312633B4 (de) * 2003-03-21 2005-03-10 Sundwig Gmbh Anstellzylinder für Walzgerüste zum Walzen von Stahl oder Nichteisenmetall
DE102005006090A1 (de) 2005-02-10 2006-08-24 Khd Humboldt Wedag Gmbh Zweiwalzenmaschine insbesondere zur Gutbettzerkleinerung
DE102006004282A1 (de) * 2006-01-31 2007-08-02 Khd Humboldt Wedag Gmbh Rollenpresse insbesondere zur Gutbettzerkleinerung
RU2306226C1 (ru) * 2006-04-13 2007-09-20 Государственное образовательное учреждение высшего профессионального образования "Уральский государственный технический университет - УПИ" Валковый пресс для брикетирования сыпучих материалов

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2653228A1 (fr) 2012-04-20 2013-10-23 Metso Minerals Industries, Inc. Broyeur à rouleaux avec des pannéaux latéraux
EP2653227A1 (fr) 2012-04-20 2013-10-23 Metso Minerals Industries, Inc. Cylindres équilibrants
WO2013156969A1 (fr) 2012-04-20 2013-10-24 Metso Minerals Industries, Inc. Concasseur à rouleaux ayant des flasques
WO2013156968A1 (fr) 2012-04-20 2013-10-24 Metso Minerals Industries, Inc. Vérins d'équilibrage
US8708265B2 (en) 2012-04-20 2014-04-29 Metso Minerals Industries, Inc. Roller crusher with balancing cylinders
AU2013205190B2 (en) * 2012-04-20 2015-11-26 Metso Outotec USA Inc. Balancing cylinders
RU2622260C2 (ru) * 2012-04-20 2017-06-13 Метсо Минералз Индастриз, Инк. Валковая дробилка с боковыми пластинами
RU225104U1 (ru) * 2024-02-07 2024-04-15 Андрей Анатольевич Гришин Валковая дробилка

Also Published As

Publication number Publication date
RU2010108977A (ru) 2012-01-20
WO2009071514A1 (fr) 2009-06-11
DK2214898T3 (en) 2016-07-04
AU2008333277A1 (en) 2009-06-11
CL2008003644A1 (es) 2009-05-08
PE20091600A1 (es) 2009-10-21
DE102007059072A1 (de) 2009-06-10
EP2214898B1 (fr) 2016-03-16
RU2490132C2 (ru) 2013-08-20
US8795563B2 (en) 2014-08-05
AU2008333277B2 (en) 2013-05-09
US20100310702A1 (en) 2010-12-09

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