EP2445639B1 - Rollenmühle - Google Patents

Rollenmühle Download PDF

Info

Publication number
EP2445639B1
EP2445639B1 EP11708396.4A EP11708396A EP2445639B1 EP 2445639 B1 EP2445639 B1 EP 2445639B1 EP 11708396 A EP11708396 A EP 11708396A EP 2445639 B1 EP2445639 B1 EP 2445639B1
Authority
EP
European Patent Office
Prior art keywords
grinding
roller
roller mill
scissor lift
machine unit
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
EP11708396.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2445639A1 (de
Inventor
Otto Heinemann
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.)
Loesche GmbH
Original Assignee
Loesche 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 Loesche GmbH filed Critical Loesche GmbH
Publication of EP2445639A1 publication Critical patent/EP2445639A1/de
Application granted granted Critical
Publication of EP2445639B1 publication Critical patent/EP2445639B1/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
    • B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C15/007—Mills with rollers pressed against a rotary horizontal disc

Definitions

  • the invention relates to a roller mill according to the preamble of claim 1.
  • a roller mill of known type is disclosed in the patent DE 38 01 728 C2 described.
  • a misalignment of the grinding roller in the evasion during grinding is not prevented, which causes the grinding roller on the grinding table changes their rolling position, the grinding roller rolls only on the Mahlrolschante, the effectiveness of the grinding decreases and wear primarily on the edge of the grinding roller occurs. Mainly the wear pattern can be clearly observed in today's known roller mills.
  • the invention is therefore based on the object, a roller mill according to the preamble of claim 1 in such a way that a construction is formed, which excludes tilting of the grinding rollers and offset the grinding rollers during the grinding process on the grinding table safely.
  • This object is achieved by the characterizing Merkmahl of claim 1.
  • Advantageous embodiments of the invention are the subject of dependent claims.
  • the roller mill according to the invention consists of a roller mill housing with a vertical axis.
  • the grinding table is rotatably mounted with its underside on a vertical bearing ring.
  • the grinding rollers located there roll over the grinding material lying on the grinding plate in order to break it up. It can be arranged two or more grinding rollers.
  • the grinding table is by a arranged below the grinding plate in the roller mill housing gearbox with vertical output and one outside set the roller mill housing drive motor set in rotation.
  • the grinding rollers are mounted on the Mahlrollenwellen in stocked with bearings or plain bearings bearing housings. While the grinding rollers roll on the grinding table inside the roller mill housing, the bearing housings equipped with rolling bearings or plain bearings are located above the grinding roller shafts outside the roller mill housing, mounted on scissor lift tables which are anchored on concrete foundations or concrete bases arranged outside the roller mill housing. With arranged in the scissor lift hydropneumatic springs, the grinding rollers are pressed over the Mahlrollenwellen within the roller mill housing on the lying on the grinding table regrind.
  • the tasks of the scissor lift tables are to carry the grinding roller bearing, to fix the grinding rollers on the grinding table tangentially and radially, to prevent tilting of the grinding rollers, to transfer grinding forces from the grinding rollers to the foundations and to facilitate the expandability of the grinding roller units or machine units.
  • the grinding rollers within the roller mill housing above the grinding plate are adjustable so that when not enough occupancy of the grinding table with regrind a zero gap between the grinding rollers and the grinding table is adjustable. This prevents the grinding rollers from resting on the grinding table and then damaging it.
  • individual grinding roller units or machine units can be taken out of the grinding process by lifting in order to reduce the grinding capacity of the roller mill or to be able to carry out repairs more easily.
  • Mahlrolle, Mahlrollenwelle, storage of the grinding roller in the bearing housing and Scherenhubtician form a machine-technical unit or machine units, which is preferably ready to plug in with all supply lines and supply connections. This ensures a fast and complete replacement of the grinding roller units, even at high operating temperatures of individual machine parts, since the roller mill interior does not have to be entered.
  • Fig. 1 a vertical section
  • Fig. 2 a plan view along the line II - II in Fig. 1 shows.
  • the example shows no drive motors and gearbox, as these details are assumed to be known. Also gas supplies and optionally existing classifiers or separators above the roller mill, which are not the subject of claims are not shown in the drawings.
  • the example of the rolling mill according to the invention has four, evenly distributed on the circumference of the roller mill arranged grinding rollers 5 , each with the Mahlrollenwellen 6 , the bearing housing 7 and the Scherenhub beau 8 form a machine unit.
  • the grinding table 3 rotates in the mill housing 2 the vertical mill axis 1, supported by the axial support bearing 10th
  • the machine unit is fixed to the scissor lift 8 on the concrete bases 9, but releasably anchored for disassembly of the machine unit.
  • the roller mill consists of a cylindrical mill housing 2 with a vertical axis 1, in which a grinding table 3 is located, which is rotatably mounted on its underside on a vertical bearing ring. Above the grinding table 3 are located within the roller mill housing 2, the grinding rollers 5, which crush the lying on the grinding table 3 regrind by rolling over. Depending on the size of the roller mill, two or more grinding rollers 5 can be arranged.
  • the grinding table 3 is set in rotation by means of a central drive arranged below the grinding plate 3 or via driven grinding rollers 5. There are thus different drive variations of the roller mill possible or combinations of individual drive variations feasible.
  • the grinding rollers 5 are mounted on the Mahlrollenwellen 6 in stocked with bearings bearing housings 7, which are mounted outside the roller mill housing 2 on concrete foundations or concrete bases 9. Between the bearing housings 7 of the grinding roller bearing and the concrete foundations or concrete bases 9 there are so-called scissor lift tables 8 which press the grinding rollers 5 within the roller mill housing 2 onto the grinding plate 3 lying on the grinding table 3 and carry out the grinding process by means of an integrated hydropneumatic suspension.
  • the scissor lift tables also have the function to stabilize the grinding rollers 5 against tangential forces and allow for the grinding rollers 5 only a pure vertical movement. This means that a tilting of the grinding rollers 5 is effectively prevented by the Scherenhubtician 8.
  • the scissor lift tables 8 with the Mahlrollenritten or machine units mounted thereon are on fixable Fahrunter algorithms, whereby the Mahlrollenritten or machine units can be individually moved out of the roll mill housing 2 or the grinding rollers 5 can be easily moved radially on the grinding table 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Rolling Contact Bearings (AREA)
EP11708396.4A 2010-03-26 2011-02-22 Rollenmühle Not-in-force EP2445639B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010012893A DE102010012893A1 (de) 2010-03-26 2010-03-26 Rollenmühle
PCT/EP2011/000837 WO2011116860A1 (de) 2010-03-26 2011-02-22 Rollenmühle

Publications (2)

Publication Number Publication Date
EP2445639A1 EP2445639A1 (de) 2012-05-02
EP2445639B1 true EP2445639B1 (de) 2014-05-07

Family

ID=44081742

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11708396.4A Not-in-force EP2445639B1 (de) 2010-03-26 2011-02-22 Rollenmühle

Country Status (12)

Country Link
US (1) US20130008989A1 (zh)
EP (1) EP2445639B1 (zh)
JP (1) JP2013523418A (zh)
CN (1) CN102711997B (zh)
BR (1) BR112012013672A2 (zh)
CA (1) CA2778366A1 (zh)
CL (1) CL2012001743A1 (zh)
DE (1) DE102010012893A1 (zh)
DK (1) DK2445639T3 (zh)
PE (1) PE20130361A1 (zh)
WO (1) WO2011116860A1 (zh)
ZA (1) ZA201202821B (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3572152B1 (de) * 2018-05-25 2020-08-05 Bühler AG Verteil-dosiervorrichtung für einen walzenstuhl, walzenstuhl mit einer solchen verteil-dosiervorrichtung und verfahren zum mahlen von mahlgut
US10758912B1 (en) * 2019-04-11 2020-09-01 Gene P. Guthmiller Material processing system
CN110586287B (zh) * 2019-10-28 2021-08-31 河南黎明重工科技股份有限公司 一种反击式破碎机的反击架调整装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2089239A (en) * 1980-12-17 1982-06-23 Smidth & Co As F L Vertical roller mill
BR8606631A (pt) * 1985-04-16 1987-08-04 Sigmund Elkuch Equipamento de suporte
DE3801728C2 (de) 1988-01-21 1998-07-02 Krupp Polysius Ag Rollenmühle
JPH0716623B2 (ja) * 1988-07-08 1995-03-01 石川島播磨重工業株式会社 竪型ローラミルのローラ圧下機構
DE10338154B4 (de) 2003-08-20 2010-09-02 Humboldt Wedag Gmbh Rollenmühle
DE102004044969A1 (de) * 2004-09-01 2006-03-02 Hans Balzer Gmbh & Co. Kg Werkstatt- Und Fahrzeugtechnik Personenlift für eine Montagegrube, insbesondere für Kraftfahr- oder Schienenfahrzeuge
CN100408190C (zh) * 2005-12-22 2008-08-06 上海重型机器厂有限公司 碗式中速磨煤机
FR2907441B1 (fr) * 2006-10-20 2009-06-12 Rotobloc Psp Sarl Table elevatrice a ciseau.
JP4965984B2 (ja) * 2006-12-04 2012-07-04 川崎重工業株式会社 竪型ローラミル
DE202009004025U1 (de) * 2009-03-19 2010-08-12 Loesche Gmbh Hydraulikanordnung für Wälzmühlen

Also Published As

Publication number Publication date
BR112012013672A2 (pt) 2016-04-19
JP2013523418A (ja) 2013-06-17
CA2778366A1 (en) 2011-09-29
PE20130361A1 (es) 2013-04-07
EP2445639A1 (de) 2012-05-02
US20130008989A1 (en) 2013-01-10
ZA201202821B (en) 2012-11-28
CL2012001743A1 (es) 2012-11-05
WO2011116860A1 (de) 2011-09-29
DE102010012893A1 (de) 2011-09-29
CN102711997B (zh) 2014-08-13
CN102711997A (zh) 2012-10-03
DK2445639T3 (da) 2014-08-11

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