EP1855806B1 - Moulin vertical - Google Patents

Moulin vertical Download PDF

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Publication number
EP1855806B1
EP1855806B1 EP06707340A EP06707340A EP1855806B1 EP 1855806 B1 EP1855806 B1 EP 1855806B1 EP 06707340 A EP06707340 A EP 06707340A EP 06707340 A EP06707340 A EP 06707340A EP 1855806 B1 EP1855806 B1 EP 1855806B1
Authority
EP
European Patent Office
Prior art keywords
grinding
vertical mill
track
width
mill according
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.)
Expired - Lifetime
Application number
EP06707340A
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German (de)
English (en)
Other versions
EP1855806A1 (fr
EP1855806B2 (fr
Inventor
Pedro Guerreo Palma
Karl Menzel
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
Polysius AG
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Filing date
Publication date
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Application filed by Polysius AG filed Critical Polysius AG
Publication of EP1855806A1 publication Critical patent/EP1855806A1/fr
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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
    • B02C15/003—Shape or construction of discs or rings
    • 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
    • B02C15/004—Shape or construction of rollers or balls

Definitions

  • the invention relates to a vertical mill with a grinding track and at least one grinding roller.
  • a roller mill of this kind is for example from the DE-A-195 03 179 known.
  • a vertical mill is described in which the grinding roller and the grinding path have the same width.
  • the grinding tools and especially the grinding track are subject to increasing wear, which deteriorates the throughput and the specific workload of the vertical mill.
  • One explanation for this is the self-adjusting, unwanted high grinding bed thickness, which results due to an unfavorable wear contour of the grinding path.
  • the grinding track 1 wears in the middle stronger than at the edge regions. It caused on the grinding path disturbing "edges" that prevent the grinding roller 2 can press the grinding bed more.
  • the present invention is based on the object to improve the vertical mill to the effect that can set a substantially constant Mahlbettches throughout the term.
  • the vertical mill according to the invention essentially has a grinding track and at least one grinding roller, wherein the grinding track has a middle region of a harder material and two laterally adjoining edge regions of a softer material, wherein the width of the central region is less than or equal to the width of the grinding roller.
  • the grinding rollers can be formed in particular spherical, cylindrical and conical. According to a preferred embodiment of the invention, the width of the grinding track or the width of the central region is smaller than the width of the grinding roller. Preferably, the width of the grinding track or the width of the central region is between 75% and 95% of the width of the grinding roller.
  • the grinding path is arranged on the surface of a grinding ring, wherein the grinding path is bounded on both sides by internals and seals are provided between Mahlring and the internals.
  • the regrind consists in particular of binders (blastfurnace slag, cement clinker) and raw materials for cement production (limestone).
  • vertical mill in a detailed view shown vertical mill consists essentially of a rotating about a vertical axis of rotation Mahlring 3 on the surface of a grinding track 1 is fixed.
  • One or more grinding rollers 2 roll on this painting track, wherein the grinding stock 6 is comminuted between grinding track and grinding roller.
  • the grinding track 1 has a middle region 1a made of a harder material and two laterally adjoining edge regions 1b, 1c made of a softer material.
  • the width a of the central region 1a is less than or equal to the width b of the grinding roller 2. Since the edge regions 1b, 1c of a softer Material are made, there form no disturbing edges.
  • the grinding roller 2 can penetrate deep and undisturbed in the grinding bed during the entire useful life of the grinding path. Any edges on the edge of the central region 1a do not even arise or are eliminated by the grinding roller. At the end of the useful life, this results in Fig. 3 illustrated wear pattern.
  • 3 seals 7, 8 are provided between the internals 4 and 5 and the grinding ring.
  • the laterally adjoining edge regions 1'b, 1'c are formed by ground material, wherein the two edge regions 1'b, 1'c formed by ground material are bounded on the one hand by the middle region 1'a and the internals 4, 5 ,
  • the grinding rollers 2 are each formed crowned. As in Fig. 1 indicated by dashed lines, the grinding roller but also cylindrical, or conical (dash-dotted line) can be formed.
  • the width a of the central region 1a, 1'a is smaller than the width b of the grinding roller, wherein the width a is preferably between 75% and 95% of the width b of the grinding roller.
  • the vertical mills described above are characterized by a narrower compared to the prior art grinding path, which has the advantage that sets a constant Mahlbettlands over the entire term. Despite the lower wear weight, this design also results in a longer service life.

Landscapes

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

Abstract

L'invention concerne un moulin vertical comprenant une bande de broyage (1) et au moins un rouleau de broyage (2). La bande de broyage (1) a une zone centrale (Ia) réalisée dans un matériau dur et deux zones latérales (Ib, Ic) adjacentes réalisées dans un matériau souple. La largeur (a) de la zone centrale (Ia) est inférieure ou égale à la largeur du rouleau de broyage (Ia).

Claims (10)

  1. Broyeur vertical avec une piste de broyage (1) et au moins un rouleau de broyage (2), caractérisé en ce que la piste de broyage (1, 1') comprend une zone centrale (1a ; 1'a) en matériau dur et deux zones marginales latéralement contigües (1'b, 1c : 1'b, 1'c) en matériau plus doux, la largeur (a) de la zone centrale (1a ; 1'a) étant inférieure ou égale à la largeur (b) du rouleau de broyage (2).
  2. Broyeur vertical selon la revendication 1, caractérisé en ce que les deux zones marginales latéralement contigües (1'b, 1'c) de la piste de broyage sont formées par du produit à broyer.
  3. Broyeur vertical selon la revendication 1, caractérisé en ce que le rouleau de broyage (2) est sphérique.
  4. Broyeur vertical selon revendication 1, caractérisé en ce que le rouleau de broyage (2) est cylindrique.
  5. Broyeur vertical selon la revendication 1, caractérisé en ce que le rouleau de broyage (2) est conique.
  6. Broyeur vertical selon la revendication 1, caractérisé en ce que la largeur (a) de la piste de broyage (1) respectivement de la zone centrale (1a, 1'a) est plus petite que la largeur (b) du rouleau de broyage (2).
  7. Broyeur vertical selon la revendication 1, caractérisé en ce que la largeur (a) de la piste de broyage (1) respectivement de la zone centrale (1a, 1'a) est située entre 75 % et 95 % de la largeur du rouleau de broyage.
  8. Broyeur vertical selon la revendication 1, caractérisé en ce que des deux côtés de la piste de broyage (1) sont prévues des pièces incorporées (4, 5), qui sont distancées radialement de la piste de broyage.
  9. Broyeur vertical selon la revendication 1, caractérisé en ce que, des deux côtés de la piste de broyage (1), sont prévues des pièces incorporées (4, 5), qui sont distancées radialement de la piste de broyage, sachant que l'intervalle ainsi formé est rempli de produit à broyer.
  10. Broyeur vertical selon la revendication 1, caractérisé par un anneau de broyage (3), sur la surface duquel est agencée la piste de broyage (1), qui est limitée, des deux côtés, par des pièces incorporées (4, 5), sachant que des joints (7, 8) sont prévus entre l'anneau de broyage et les pièces incorporées.
EP06707340.3A 2005-03-03 2006-02-28 Moulin vertical Expired - Lifetime EP1855806B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005010069A DE102005010069A1 (de) 2005-03-03 2005-03-03 Vertikalmühle
PCT/EP2006/001842 WO2006092277A1 (fr) 2005-03-03 2006-02-28 Moulin vertical

Publications (3)

Publication Number Publication Date
EP1855806A1 EP1855806A1 (fr) 2007-11-21
EP1855806B1 true EP1855806B1 (fr) 2011-07-20
EP1855806B2 EP1855806B2 (fr) 2015-01-14

Family

ID=36406544

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06707340.3A Expired - Lifetime EP1855806B2 (fr) 2005-03-03 2006-02-28 Moulin vertical

Country Status (7)

Country Link
US (1) US7866584B2 (fr)
EP (1) EP1855806B2 (fr)
JP (1) JP4865736B2 (fr)
CN (1) CN101132859B (fr)
DE (1) DE102005010069A1 (fr)
DK (1) DK1855806T4 (fr)
WO (1) WO2006092277A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4865736B2 (ja) * 2005-03-03 2012-02-01 ポリシウス アクチェンゲゼルシャフト 縦型ミル

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3026967B1 (fr) * 2014-10-10 2016-10-28 Fives Fcb Broyeur par compression de lit de matieres
JP5859698B1 (ja) * 2015-04-17 2016-02-10 三菱日立パワーシステムズ株式会社 粉砕ローラ及び粉砕装置
US10646877B2 (en) * 2017-03-13 2020-05-12 General Electric Technology Gmbh System and method for adjusting a material bed depth in a pulverizer mill
CN117299293B (zh) * 2023-09-28 2025-10-10 昌群精细工业（宜昌）有限公司 一种多研磨面的立式研磨机

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US984584A (en) * 1910-08-24 1911-02-21 Nevada Engineering Works Chilian mill.
DE957435C (de) * 1952-11-14 1957-01-31 Pfeiffer Barbarossawerke A G G Walzenquetschmuehle
DE3508161A1 (de) * 1985-03-07 1986-09-11 Loesche GmbH, 4000 Düsseldorf Walzenmuehle zum zerkleinern von mahlgut
JPS62103439A (ja) * 1985-10-30 1987-05-13 Mazda Motor Corp エンジンの吸気装置
JP2649752B2 (ja) * 1991-08-20 1997-09-03 宇部興産株式会社 竪型粉砕機
JPH06142537A (ja) * 1992-11-09 1994-05-24 Babcock Hitachi Kk ローラミル
ATE182811T1 (de) * 1993-12-17 1999-08-15 Martin H Gygi Walzmühle
DE19503179A1 (de) * 1995-02-01 1996-08-08 Krupp Polysius Ag Wälzmühle
UA46143C2 (uk) * 1997-04-15 2002-05-15 Фсб Дробарка
JP3613730B2 (ja) * 2001-12-03 2005-01-26 川崎重工業株式会社 竪形ミル
DE102005010069A1 (de) * 2005-03-03 2006-09-07 Polysius Ag Vertikalmühle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4865736B2 (ja) * 2005-03-03 2012-02-01 ポリシウス アクチェンゲゼルシャフト 縦型ミル

Also Published As

Publication number Publication date
CN101132859A (zh) 2008-02-27
DK1855806T3 (da) 2011-10-31
WO2006092277A1 (fr) 2006-09-08
US20090039187A1 (en) 2009-02-12
JP2008531265A (ja) 2008-08-14
CN101132859B (zh) 2011-11-23
DK1855806T4 (en) 2015-04-27
DE102005010069A1 (de) 2006-09-07
JP4865736B2 (ja) 2012-02-01
EP1855806A1 (fr) 2007-11-21
US7866584B2 (en) 2011-01-11
EP1855806B2 (fr) 2015-01-14

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