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EP2988874A1 - Broyeur à cylindres - Google Patents

Broyeur à cylindres

Info

Publication number
EP2988874A1
EP2988874A1 EP14719290.0A EP14719290A EP2988874A1 EP 2988874 A1 EP2988874 A1 EP 2988874A1 EP 14719290 A EP14719290 A EP 14719290A EP 2988874 A1 EP2988874 A1 EP 2988874A1
Authority
EP
European Patent Office
Prior art keywords
roll mill
grinding
roller
mill according
machine frame
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
EP14719290.0A
Other languages
German (de)
English (en)
Other versions
EP2988874B1 (fr
Inventor
Daniel Frerich
Ludwig KÖNNING
Nils Hörster
Alexander Peters
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.)
ThyssenKrupp Industrial Solutions AG
Original Assignee
ThyssenKrupp Industrial Solutions 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=50549318&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2988874(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by ThyssenKrupp Industrial Solutions AG filed Critical ThyssenKrupp Industrial Solutions AG
Publication of EP2988874A1 publication Critical patent/EP2988874A1/fr
Application granted granted Critical
Publication of EP2988874B1 publication Critical patent/EP2988874B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details
    • 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
    • B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/04—Frames; Guides
    • 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

Definitions

  • the invention relates to a roller mill with two arranged in a machine frame roller units, each having a rotatably mounted in two jewels bearing grinding roller, wherein the two grinding rollers are arranged opposite one another and each coupled to a drive for driving in opposite directions of the grinding rollers.
  • a Kraftbeetzschlagungssystem for generating a grinding force, wherein the grinding force is transmitted via the machine frame consisting of several frame parts and the jewels on the grinding rollers.
  • a detachable, positive connection with two mutually pressed connection surfaces for the transmission of the grinding force is provided.
  • the invention is therefore based on the object to enable a faster disassembly and assembly of a roller unit.
  • a roller mill with two arranged in a machine frame roller units, each having a rotatably mounted in two jewels grinding roller, the two grinding rollers are arranged opposite each other and coupled with a drive for driving the counter-rotating grinding rollers, between machine frame and at least a rolling unit is a Kraftbeaufschlagungssystem for generating a grinding force is provided, wherein the grinding force is transmitted to the grinding rollers via the machine frame and the bearing blocks, and the machine frame consists of several frame parts, wherein between at least two interconnected frame parts and / or between at least one frame part and a the stones a releasable, positive connection with two against each other pressed Mattsfizzen is provided for transmitting the grinding force, wherein at least one of the two Ver pressed against each other Bondingfietzen having a microforming-generating coating.
  • the microforming coating has the advantage that the tantadium gallate must be raised only a few millimeters to allow the withdrawal of the roller unit.
  • the microforming-producing coating significantly increases the transmittable force between the two bonding surfaces, so that even high grinding forces of, for example, 16,000 kN and more can be transmitted, as they are For example, in the case of high-pressure roller mills or roller presses in the cement and mineral area occur.
  • clamping means for example in the form of a plurality of screw connections, are provided in order to press the two connecting surfaces against one another.
  • the microforming-producing coating of the interconnected frame parts and / or frame part and bearing block is preferably formed so that the connection by lifting the two connecting surfaces from each other by a maximum of 4 mm is completely eliminated.
  • the connecting surfaces are preferably planar and the microforming-producing coating can be formed, in particular, by a hard-particle coating, the hard-material particles preferably having a Mohs hardness of from 6 to 10.
  • the roll mill is designed so that a roller unit is mounted as a Loswalze and the other roller unit as a fixed roller in the machine frame, wherein the Kraftbeaufschlagungssystem between the machine frame and acting as the Loswalze roller unit is arranged.
  • the machine frame is preferably formed by at least one lower frame part, at least one upper frame part and a plurality of pressure bars connecting the upper and lower frame parts.
  • the jewels can be slidably guided on the upper and lower frame part.
  • the connecting surfaces are either formed on parts of the machine frame or the microform gleich Incde coating is applied to an intermediate member which is fixedly connected to the parts to be joined of the machine frame.
  • roller mill four pressure bars are provided, wherein two pressure bars serve as an abutment of a roller unit and the other two pressure bars as abutments of the other roller unit and the upper and lower frame part with the four pressure bars by a releasable, positive connection with two are pressed against each other pressed connecting surfaces, wherein at least two of the pressed against each other connecting surfaces have the microform gleichinde coating.
  • only two pressure bars are provided, which are connected to the upper and the lower frame parts and serve as an abutment of acting as a Loswalze roller unit.
  • the roller unit acting as a fixed roller is then connected via its bearing blocks with the upper and lower frame parts via the detachable, positive connection with two mutually pressed connection surfaces, wherein in turn at least one of the two pressed against each other connecting surfaces has the microforming-generating coating.
  • Fig. 2 is a sectional view taken along the line A-A of Fig. 6, a
  • FIG. 3 is an enlarged view of the detail X of FIG. 2, a plan view of the first connection surface, a plan view of the second connection surface, 6 is a side view of FIG. 1 in the operating position of the roller mill,
  • Fig. 8 is a side view of the roll mill with disassembled roller unit
  • FIG. 9 is a three-dimensional representation of a roll mill according to a second embodiment.
  • the roll mill illustrated in FIG. 1 is, for example, a roll press or a fine-bed roll mill with two roll units 2, 3 arranged in a machine frame 1, each having a grinding roll 20, 30, the grinding rolls being arranged opposite one another and each with a drive 4, 5 are coupled for driving in opposite directions of the grinding rollers.
  • the machine frame is composed of two lower frame parts 10, 11, two upper frame parts 12, 13 and four pressure bars 14 to 17 together.
  • the grinding rollers 20, 30 are mounted on stub shafts 21 and 31 in bearing blocks 22, 23 and 32, 33, wherein the bearing blocks are slidably guided on the upper and lower frame parts 10, 11, 12, 13.
  • the roller unit 2 is held in the illustrated embodiment as a fixed roller in the machine frame 1 and is supported with its bearing blocks 22, 23 on the pressure bar 15, 17 from.
  • the roller unit 3, however, is designed as a Loswalze. Between the machine frame 1 and the roller unit 3, a Kraftbeaufschlagungssystem 50 is provided for generating a grinding force, wherein the grinding force on the machine frame 1 and the jewels 22, 23 and 32, 33 is transmitted to the grinding rollers 20, 30, wherein between the two grinding rollers Mahlspalt is maintained. In particular, pressures in the grinding gap of 50 MPa and more can be produced.
  • the form-fitting connection of the lower and upper frame parts to the pressure bars of the machine frame 1 will be explained in more detail below with reference to FIGS. 2 to 5.
  • the pressure bars 14 to 17 are each one of the lower Frame parts 10, 11 and one of the upper frame parts 12, 13 connected by screw connections 6, 7 together. It can be seen from FIGS. 3 to 5 that a first connection surface 15a provided on the pressure beam 15 is pressed against a second connection surface 12a provided on the upper frame part 12.
  • a microforming-generating coating 8 9, for example, by a hard material particle coating having a Mohs hardness of 4 until 6 is formed.
  • all joints between the four pressure beams and the upper and lower frame members are formed in this manner.
  • FIG. 6 shows the roller mill in its operating position according to FIG. 1.
  • the screw connections 6, 7 are released between the two pressure bars 15, 17 and the associated lower and upper frame parts.
  • the coupling of the roller unit to be replaced must be released from its drive.
  • this coupling point is provided with the reference numeral 40.
  • guide rails 18, 19 are provided in extension of the lower frame parts 10, 11.
  • the two pressure bars 15, 17 can be pulled out via the guide rails 18, 19. Under certain circumstances, it is expedient if the two upper frame parts 12, 13 are raised for this purpose by a few millimeters by means of a chain hoist or at least held. In the further sequence, the roller unit 2 is then completely pulled out. If necessary, then the other roller unit 3 is pulled out after releasing their connection to the drive 5. Installation is the reverse order. 9 shows a roller mill according to a second embodiment, which differs from the first embodiment only in that the pressure bars 15, 17 have been omitted and the bearing blocks 22, 23 directly with the lower and upper frame parts 10, 12 and 11, 13 are bolted.
  • the communicating portions of the first and second bonding surfaces are preferably at least 50%, most preferably at least 90%, covered with the microforming coating.
  • the individual particles of the coating preferably have a longest extent of on average ⁇ 2 mm.
  • the coating can optionally be applied by gluing, sintering, painting, chemical processes, electroplating, suspension or flame spraying. It is also conceivable that the microforming-producing coating is not applied directly to the pressure bar or the lower or upper frame parts, but rather to intermediate elements which are each firmly connected to the pressure bars or frame parts.
  • microforming-producing coating ensures adequate transfer of grinding forces across the machine frame.
  • production costs by the elimination of the usual passport joints is much lower and it results in a more compact design.
  • the assembly of the machine frame is facilitated by the lower alignment effort, since in particular no Passkeilanfertigung on the site is required.

Landscapes

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

Abstract

L'invention concerne un broyeur à cylindres comprenant deux ensembles cylindres (2, 3) agencés dans un cadre de machine (1) et présentant chacun un cylindre broyeur (20, 30) monté rotatif dans deux paliers (22, 23, 32, 33), les deux cylindres broyeurs (20, 30) étant agencés en vis-à-vis et étant couplés à un entraînement (4, 5) respectif pour entraîner les cylindres broyeurs en sens inverse. Entre le cadre de machine (1) et au moins un ensemble cylindre (3), il est prévu un système d'application de force (50) destiné à générer une force de broyage, cette force de broyage étant transmise aux cylindres broyeurs (20, 30) par le cadre de machine (1) et les paliers (22, 23, 32, 33). Le cadre de machine (1) est constitué de plusieurs pièces de cadre (10, 11, 12, 13) et entre au moins deux pièces de cadre liées entre elles et/ou entre au moins une pièce de cadre et un des paliers, une liaison libérable par complémentarité de forme est établie par l'intermédiaire de deux surfaces de liaison (15a, 12a) plaquées l'une contre l'autre pour la transmission de la force de broyage, au moins une des deux surfaces de liaison (15a, 12a) plaquées l'une contre l'autre présentant un revêtement (8, 9) produisant une complémentarité de forme à l'échelle micrométrique.
EP14719290.0A 2013-04-23 2014-04-22 Broyeur à cylindres Active EP2988874B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013104097.7A DE102013104097A1 (de) 2013-04-23 2013-04-23 Walzenmühle
PCT/EP2014/058099 WO2014173875A1 (fr) 2013-04-23 2014-04-22 Broyeur à cylindres

Publications (2)

Publication Number Publication Date
EP2988874A1 true EP2988874A1 (fr) 2016-03-02
EP2988874B1 EP2988874B1 (fr) 2019-06-05

Family

ID=50549318

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14719290.0A Active EP2988874B1 (fr) 2013-04-23 2014-04-22 Broyeur à cylindres

Country Status (14)

Country Link
US (1) US20160101424A1 (fr)
EP (1) EP2988874B1 (fr)
CN (1) CN105142791B (fr)
AU (1) AU2014257639B2 (fr)
BR (1) BR112015024710A2 (fr)
CA (1) CA2907836C (fr)
CL (1) CL2015002853A1 (fr)
DE (1) DE102013104097A1 (fr)
DK (1) DK2988874T3 (fr)
MX (1) MX2015013341A (fr)
PE (1) PE20151825A1 (fr)
RU (1) RU2650546C2 (fr)
WO (1) WO2014173875A1 (fr)
ZA (1) ZA201506900B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013110981A1 (de) * 2013-10-02 2015-04-02 Thyssenkrupp Industrial Solutions Ag Verfahren zum Betreiben einer Anlage mit wenigstens einem Aggregat, das eine rotierende Oberfläche aufweist
DE102014015247B4 (de) * 2014-10-16 2017-06-08 Khd Humboldt Wedag Gmbh Rollenpresse mit verbreitertem Rahmenkopf
DE102014223524A1 (de) 2014-11-18 2016-05-19 Takraf Gmbh Maschinenrahmen für eine Rollenpresse
DE102015213747A1 (de) 2015-07-21 2017-01-26 Thyssenkrupp Ag Maschinenrahmen einer Walzenmühle
CA3014904A1 (fr) * 2015-11-24 2017-06-01 Flsmidth A/S Systeme et procede d'enlevement d'un entrainement de presse a rouleaux
WO2017197074A1 (fr) * 2016-05-12 2017-11-16 Oronoko Ironworks, Inc. Broyeur à rouleaux modulaire
CA3146100C (fr) * 2019-08-07 2023-10-17 Thyssenkrupp Industrial Solutions Ag Broyeur a cylindres dote d'un dispositif de synchronisation
CN110420994B (zh) * 2019-09-09 2021-10-22 安吉两山景观设计院 一种土壤粉碎装置
US12109574B2 (en) 2020-02-14 2024-10-08 thyssenkrupp Polysius GmbH Roller mill with a synchronizing device

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2254512A (en) * 1938-11-02 1941-09-02 Charles P Brasington Grinding mill
US3315902A (en) * 1962-08-31 1967-04-25 Iowa Mfg Co Cedar Rapids Gas hydraulic spring for crushing apparatus
US3828515A (en) * 1969-12-16 1974-08-13 G Galgoczy Non-slip, high strength bolted joints
SU516419A1 (ru) * 1973-12-29 1976-06-05 Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский Институт Зерна И Продуктов Его Переработки Способ производства сортовой муки из пшеницы
US3938732A (en) * 1974-09-16 1976-02-17 Iowa Manufacturing Company Adjustment means for roll crushers with gas hydraulic springs
DE3633435A1 (de) * 1986-10-01 1988-04-14 Uni Cardan Ag Verfahren zur herstellung einer gebauten nockenwelle sowie gebaute nockenwelle aus einem wellenrohr und aufgeschobenen elementen
DE4110643A1 (de) * 1991-04-02 1992-10-08 Krupp Polysius Ag Walzenmuehle
DE19823928A1 (de) * 1998-05-28 1999-12-09 Kempten Elektroschmelz Gmbh Verbindungselement zur kraftschlüssigen Verbindung von Bauteilen
DE102005045273A1 (de) * 2005-09-22 2007-03-29 Khd Humboldt Wedag Gmbh Zweiwalzenmaschine insbesondere zur Gutbettzerkleinerung
CH698493B1 (de) * 2006-06-01 2009-08-31 Hartchrom Ag Bauteil aus zwei kraftschlüssig verbundenen Werkstücken.
DE102007031879B4 (de) * 2007-07-09 2009-07-02 Polysius Ag Walzenpresse mit verschiebbaren Kopfstücken
US20100243963A1 (en) * 2009-03-31 2010-09-30 Integrated Photovoltaics, Incorporated Doping and milling of granular silicon
DE102010048214B4 (de) 2010-10-12 2016-02-04 Khd Humboldt Wedag Gmbh Verschlusselement für einen Maschinenrahmen einer Walzenpresse

Also Published As

Publication number Publication date
CN105142791A (zh) 2015-12-09
RU2015150035A3 (fr) 2018-03-06
WO2014173875A1 (fr) 2014-10-30
DE102013104097A1 (de) 2014-10-23
CN105142791B (zh) 2018-07-27
US20160101424A1 (en) 2016-04-14
CL2015002853A1 (es) 2016-03-28
RU2650546C2 (ru) 2018-04-16
AU2014257639B2 (en) 2017-11-23
RU2015150035A (ru) 2017-05-26
AU2014257639A1 (en) 2015-10-15
BR112015024710A2 (pt) 2017-07-18
CA2907836C (fr) 2016-10-11
MX2015013341A (es) 2016-08-08
DK2988874T3 (da) 2019-08-12
PE20151825A1 (es) 2015-12-20
EP2988874B1 (fr) 2019-06-05
CA2907836A1 (fr) 2014-10-30
ZA201506900B (en) 2017-02-22

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