EP0973612A1 - Dispositif pour regler l'espace entre des cylindres de broyage - Google Patents

Dispositif pour regler l'espace entre des cylindres de broyage

Info

Publication number
EP0973612A1
EP0973612A1 EP98928196A EP98928196A EP0973612A1 EP 0973612 A1 EP0973612 A1 EP 0973612A1 EP 98928196 A EP98928196 A EP 98928196A EP 98928196 A EP98928196 A EP 98928196A EP 0973612 A1 EP0973612 A1 EP 0973612A1
Authority
EP
European Patent Office
Prior art keywords
grinding gap
adjustment device
grinding
gap adjustment
eccentric ring
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.)
Withdrawn
Application number
EP98928196A
Other languages
German (de)
English (en)
Inventor
Harald Gratzer
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.)
Anton Steinecker Maschinenfabrik GmbH
Original Assignee
Anton Steinecker 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
Application filed by Anton Steinecker Maschinenfabrik GmbH filed Critical Anton Steinecker Maschinenfabrik GmbH
Publication of EP0973612A1 publication Critical patent/EP0973612A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12C—BEER; PREPARATION OF BEER BY FERMENTATION; PREPARATION OF MALT FOR MAKING BEER; PREPARATION OF HOPS FOR MAKING BEER
    • C12C7/00—Preparation of wort
    • C12C7/01—Pretreatment of malt, e.g. malt grinding
    • 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
    • B02C4/38—Adjusting, applying pressure to, or controlling the distance between, milling members in grain mills
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12C—BEER; PREPARATION OF BEER BY FERMENTATION; PREPARATION OF MALT FOR MAKING BEER; PREPARATION OF HOPS FOR MAKING BEER
    • C12C1/00—Preparation of malt
    • C12C1/16—After-treatment of malt, e.g. malt cleaning, detachment of the germ

Definitions

  • the invention relates to a grinding gap adjustment device for a grinder with at least two rollers, between which ground material is ground, and a wet grinding mill with at least two rollers.
  • the diameter of the grinding rollers is typically about 40 cm, while the grinding gap is of the order of 0.4 mm. In order to obtain an optimal grinding result, an exact adjustment of the grinding gap or the roller spacing is necessary.
  • one of the two rollers has already been mounted on a lever device in dry grinding mills, which, when a lever is adjusted, adjusts or removes a roller from the second roller so that the grinding gap can be adjusted.
  • this solution is structurally complex and expensive.
  • the adjusting lever and the adjusting drive have to absorb the forces resulting from the grinding process and are heavily loaded.
  • such an arrangement can not be used for wet shot mills, since there the rollers move in the wet environment of the wet shot. Accordingly, an expensive sealing of the movable bearing lever would be necessary.
  • the grinding gap adjustment device has an adjusting device for the grinding gap, which can be adjusted continuously and without tools, an eccentric bearing of at least one of the first two rollers being used.
  • an adjustment device which enables the grinding gap to be adjusted for various grinding materials in operation.
  • the mill operator can specify the roll gap suitable for a particular type of ground material, in which case the rolls can be adjusted accordingly.
  • the eccentric mounting of at least one of the two rollers enables the grinding gap to be set very precisely by turning without the bearings being excessively loaded. The grinding forces can thus be easily derived into the wall in which the bearing is preferably implemented.
  • a very fine, essentially continuously variable adjustment can be achieved. If the claim is infinitely variable, it should also include an adjustment that takes place in very small steps, such as occurs, for example, when using a stepper motor.
  • tool-free is intended to indicate that an adjustment is easily possible from the outside without parts of the mill having to be dismantled and the rollers uncovered.
  • the operator of the mill can e.g. specify a desired roll gap by assigning recipe-dependent setpoints to a process control system, which is then set.
  • a first eccentric ring with an inner bore is provided for the eccentric mounting, the center of which is offset from the center of the outer circumference of the ring, the inner bore supporting the at least one roller.
  • a rotating device which engages the first eccentric ring in order to rotate it about the center of its outer circumference.
  • the first eccentric ring is rotatably mounted in a plain bearing. This enables a structurally simple structure for rotating the eccentric ring.
  • this rotating device comprises a lever which is in engagement with an adjusting device.
  • This adjusting device can simply comprise a pneumatic cylinder or a hydraulic system.
  • the rotating device comprises an electrical lifting spindle drive or a stepper motor, which enable direct control of the eccentric ring.
  • the eccentric ring is advantageously held in a bearing cover by a clamping ring.
  • a clamping ring enables a precise setting of the force that is to be applied when the eccentric ring is rotated.
  • the eccentricity is chosen to be so small that the first eccentric ring with sliding bearings is self-locking in its mounting. In this way, forces on the adjusting device of the eccentric ring can be reduced or avoided during grinding operation.
  • the second roller is held in a second eccentric ring, in which the center point of the inner bore is offset from the center point of the outer circumference, the eccentricity that occurs being greater than that of the first eccentric ring.
  • a wet grinding mill according to the invention with at least two rollers has an adjustment device for the width of the grinding gap that can be adjusted continuously and without tools.
  • the wet grinding mill according to the invention advantageously comprises a grinding gap adjustment device according to the invention, as described in claims 1 to 11.
  • FIG. 1 is a plan view of a storage area of the two rollers of a device according to the invention
  • Fig. 2 is a side sectional view taken approximately along the plane A-A of Figs. 1 and
  • Fig. 3 is a schematic overall view of a wet shot mill.
  • Fig. 3 shows schematically a wet grist mill for crushing malt in beer production.
  • Reference numerals 1 and 2 designate two rollers of the grinder. They are surrounded by a housing 30, in the bottom area of which an outlet 32 with a pump 32a is arranged.
  • a soft container 40 and a feed metering device 41 are located above the grinder.
  • a second feed metering device 42 connects the soft container 40 to a scrap container 44.
  • a water inlet 43 is provided in this area.
  • Fig. 1 shows in detail in plan view the area of the storage of the two rollers 1, 2 according to the invention.
  • the shaft ends 5, 6 are sealed with the aid of seals 23a, 23b.
  • the eccentric rings 3, 4 are arranged in circular recesses (bores) in the bearing cap 10. More precisely, the bearing cover 10 has a circular recess (bore) for receiving the first eccentric ring 3, which is adapted to the outer circumference of the first eccentric ring 3 in such a way that the eccentric ring is accommodated without play but rotatably.
  • the eccentricity of the first eccentric ring 3 is designated by e- t , but is so small that it cannot be shown to scale in the drawing. In practice, it is preferably between 0.5 and 1 mm.
  • the eccentricity of the eccentric ring 4 of the second roller 6 is designated by the letter e 2 and is significantly larger than
  • the first eccentric ring 3 is held axially fixed by a retaining ring 7 with screws 8 in the bearing cap 10.
  • the second eccentric ring 4 is fastened with a retaining ring 21 and retaining screws 9.
  • the screws 8 and the retaining screws 9 are screwed into the bearing cover 10.
  • the drive for the second roller 2 is designated.
  • the first roller is also driven by this drive via transmission means, not shown, in such a way that the rollers run in opposite directions and synchronously.
  • the grinding gap 22 is formed between the rollers 1, 2.
  • FIG. 2 the inlet opening for the material to be crushed is designated 14.
  • Reference numeral 17 denotes the bearing cover of the bearing for the second stub shaft 6. The bearing cover 17 is fastened to the second eccentric ring 4 with screws 15.
  • a ring 18 is fastened with screws 16, which ring is provided with a protruding arm 19, on which an electrical lifting spindle drive engages with position feedback 20, if necessary.
  • the grinding gap 22 is set exactly to the smallest required grinding gap width, for example by appropriate adjustment of the eccentric ring 4.
  • the eccentric 4 is inserted into a corresponding position in its receiving opening in the bearing housing and then this position is fixed by tightening the screws 9.
  • the eccentric 3 for the first roller is also in the set starting position, so that the desired gap width of the gap 22 is obtained.
  • the desired grinding gap is set by turning the eccentric 3. Now the mill can be put into operation for the regrind for which the set gap distance is suitable.
  • the regrind fails the inlet opening 14 into the area of the grinding gap is squeezed there and reaches the mash tun (not shown) via the pump 32a and line 32 (cf. FIG. 3). Water can be supplied through the feed line 43 for wet grinding.
  • the brewer now wants to process a different regrind mixture, for example to produce a different type of beer, he can adjust the grinding gap 22 by giving appropriate signals to the electric lifting spindle drive 20, which then rotates the eccentric 3 accordingly.
  • These signals can e.g. can be given electrically to the electric lifting spindle drive via an external terminal.
  • a corresponding, e.g. mechanical adjusting device can be attached to the outside of the mill housing or the like.
  • the gap then increases or decreases as desired due to the eccentricity of the mounting of the first roller 1.
  • the adjustment paths are adapted so that essentially a continuous adjustment of the grinding gap can be achieved.
  • An adjustment of the grinding gap between 0.3 and 1.2 mm should preferably be possible for the area of the beer breweries.
  • the force that is applied by the drive 20 is essentially converted into a rotary movement. Since the eccentricity is only very low, there is a very simple changeover option and it is also achieved that the low eccentricity results in a self-locking bearing. Instead of the electrical lifting spindle drive 20, a hydraulic or pneumatic positioning cylinder or a manual spindle drive can also effect the same adjustment.
  • roller gap to the regrind it is therefore possible to adjust the roller gap to the regrind to be processed practically infinitely in operation, in each case individually adapted, without major conversion, disassembly or adjustment work having to be carried out.
  • the adjustment can also be carried out for wet shot mills, since sealing is easily possible with this type of storage.
  • the forces are introduced via the eccentric into the bearing housing and thus into the roller housing, so that they can be easily controlled.
  • the grinding gap adjustment device according to the invention can be used in dry shot mills, but also has its advantages in particular when used in wet shot mills.
  • the grinding gap adjustment device has a simple, inexpensive structure and nevertheless enables the grinding gap to be set very precisely. It is suitable for both dry and wet grinding processes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Crushing And Grinding (AREA)

Abstract

L'invention concerne un dispositif pour régler l'espace entre les cylindres d'un broyeur comportant au moins deux cylindres (1, 2), la matière à concasser étant broyée dans l'espace (22) entre lesdits cylindres. Ce dispositif est particulièrement adapté à un concasseur de malt humide, avec un dispositif pour régler en continu et sans outil l'espace (22), au moyen d'un palier excentrique (3) d'au moins un premier (1) des deux cylindres (1, 2).
EP98928196A 1997-04-11 1998-04-08 Dispositif pour regler l'espace entre des cylindres de broyage Withdrawn EP0973612A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19715210 1997-04-11
DE1997115210 DE19715210C2 (de) 1997-04-11 1997-04-11 Mahlspaltverstellung
PCT/EP1998/002061 WO1998046354A1 (fr) 1997-04-11 1998-04-08 Dispositif pour regler l'espace entre des cylindres de broyage

Publications (1)

Publication Number Publication Date
EP0973612A1 true EP0973612A1 (fr) 2000-01-26

Family

ID=7826259

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98928196A Withdrawn EP0973612A1 (fr) 1997-04-11 1998-04-08 Dispositif pour regler l'espace entre des cylindres de broyage

Country Status (6)

Country Link
EP (1) EP0973612A1 (fr)
JP (1) JP3420772B2 (fr)
CN (1) CN1110370C (fr)
AU (1) AU8013398A (fr)
DE (1) DE19715210C2 (fr)
WO (1) WO1998046354A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20015922U1 (de) * 2000-09-14 2002-02-07 Anton Steinecker Maschinenfabrik GmbH, 85356 Freising Nassschrotmühle mit Wellenabdichtung
DE10255504A1 (de) * 2002-11-27 2004-06-17 Hrch. Huppmann Gmbh Nassschrotmühle und Verfahren zur Nassschrotung
DE102011018705C5 (de) * 2011-04-26 2020-03-26 Khd Humboldt Wedag Gmbh Verfahren zur Regelung des Walzenspaltdrucks einer Rollenpresse und Rollenpresse
CN102878794B (zh) * 2012-10-17 2014-08-27 中国包装和食品机械总公司 一种双滚筒干燥机之主滚筒间隙调节机构
DE102013018431B4 (de) 2013-10-16 2024-05-08 Pallmann Maschinenfabrik Gmbh & Co. Kg Vorrichtung zum Bearbeiten von schüttfähigem Aufgabegut
DE102013017134A1 (de) 2013-10-16 2015-04-30 Pallmann Maschinenfabrik Gmbh & Co. Kg Vorrichtung zum Bearbeiten von schüttfähigem Aufgabegut
CN103691516B (zh) * 2013-12-05 2016-05-11 铜陵迈臣机电科技有限责任公司 高压对辊挤压磨机的主机架
CN103785503A (zh) * 2013-12-27 2014-05-14 朱菊红 一种破碎机的传动装置
DE102014018785A1 (de) * 2014-12-19 2016-06-23 Thyssenkrupp Ag Brecheinrichtung
CN108698049B (zh) * 2016-02-08 2020-09-22 德国莱歇公司 研磨辊装置
JP6914518B2 (ja) * 2017-07-12 2021-08-04 関西産業株式会社 破砕装置
EP3575001B3 (fr) * 2018-05-28 2022-09-14 Bühler AG Jeux de cylindres pour dispositifs de broyage, dispositifs de broyage et procédé
EP3597299B1 (fr) 2018-07-20 2021-03-03 Bühler AG Groupe de rouleaux, dispositif de broyage et procédé de réglage de la fente de broyage d'un dispositif de broyage
IT201800008231A1 (it) * 2018-08-29 2020-02-29 Igf Srl Macchina sfogliatrice con regolazione di spessore di laminazione
CN109499664B (zh) * 2019-01-03 2021-12-24 中冶长天国际工程有限责任公司 一种破碎机
JP6892095B1 (ja) * 2020-03-09 2021-06-18 株式会社アサヒ 板ガラス破砕機
CN112221600A (zh) * 2020-09-30 2021-01-15 唐山森普矿山装备有限公司 一种液压同步顶升调整中心距式双齿辊破碎机

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7441191U (de) * 1975-04-17 Geraetebau Ringelstein V Rosenberg Getreidequetsche
DE1888477U (fr) * 1964-02-27
DE524055C (de) * 1931-05-01 Ratzinger & Weidenkaff Maschf Walzenmuehle zum Mahlen von Sand, Erzen o. dgl.
DE504851C (de) * 1930-08-08 Heinr Frigge Maschb Parallel-Einstellvorrichtung fuer die Walzen von Quetschwalzenmuehlen
US3174696A (en) * 1962-05-11 1965-03-23 Deere & Co Roller mill
DE2559961C2 (de) * 1975-11-13 1982-12-09 Egon 4500 Osnabrück Sommer Vorrichtung zum Quetschen von Getreidekorn
DE2914156A1 (de) * 1979-04-07 1980-10-09 Haendle & Soehne Karl Walzwerk fuer die vermahlung von ton o.dgl.
FR2574314B1 (fr) * 1984-12-11 1988-05-06 Tech Nle Assemblage Constru Disposition de paliers pour broyeurs, en particulier broyeurs a grains
DE8621597U1 (de) * 1986-08-12 1986-10-09 H. Breitenbach GmbH, 5900 Siegen Vorrichtung zur Aufbereitung und Zerkleinerung von, insbesondere pyrit- und/oder kalkhaltigen Tonen oder ähnlichen Rohstoffen für die Keramikherstellung
DE9400427U1 (de) * 1993-01-15 1994-04-07 Kristensen, Aage Noergaard, Ulfborg Walzenschrotpresse
DE29620133U1 (de) * 1996-11-19 1997-01-09 Anton Steinecker Maschinenfabrik GmbH, 85356 Freising Schrotmühle

Non-Patent Citations (1)

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Title
See references of WO9846354A1 *

Also Published As

Publication number Publication date
DE19715210A1 (de) 1998-10-15
AU8013398A (en) 1998-11-11
WO1998046354A1 (fr) 1998-10-22
JP2000510388A (ja) 2000-08-15
CN1255878A (zh) 2000-06-07
JP3420772B2 (ja) 2003-06-30
DE19715210C2 (de) 2001-02-22
CN1110370C (zh) 2003-06-04

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