EP0916407A1 - Procédé de fabrication d'un rouleau broyeur - Google Patents

Procédé de fabrication d'un rouleau broyeur Download PDF

Info

Publication number: EP0916407A1
Authority: EP; European Patent Office
Prior art keywords: roll shell; roller; hard; shell; bainitic
Prior art date: 1997-11-12
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

EP98120943A

Other languages

German (de)

English (en)

Other versions

EP0916407B2 (fr

EP0916407B1 (fr

Inventor

Heinz Dipl.-Ing. Schröder

Helmut Dipl.-Ing. Lücke

Ludger Dr.-Ing. Rübbelke

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.)

Schwaebische Huettenwerke Automotive GmbH

ThyssenKrupp Industrial Solutions AG

Original Assignee

Krupp Polysius 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.)

1997-11-12

Filing date

1998-11-04

Publication date

1999-05-19

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7848513&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0916407(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1998-11-04 Application filed by Krupp Polysius AG filed Critical Krupp Polysius AG

1999-05-19 Publication of EP0916407A1 publication Critical patent/EP0916407A1/fr

2002-04-03 Application granted granted Critical

2002-04-03 Publication of EP0916407B1 publication Critical patent/EP0916407B1/fr

2005-08-03 Publication of EP0916407B2 publication Critical patent/EP0916407B2/fr

2018-11-04 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims description 14
238000004519 manufacturing process Methods 0.000 title claims description 10
238000003801 milling Methods 0.000 title description 2
238000000227 grinding Methods 0.000 claims abstract description 26
229910001141 Ductile iron Inorganic materials 0.000 claims abstract description 11
229910052710 silicon Inorganic materials 0.000 claims abstract description 6
229910052799 carbon Inorganic materials 0.000 claims abstract description 5
229910001339 C alloy Inorganic materials 0.000 claims abstract description 3
229910052804 chromium Inorganic materials 0.000 claims abstract description 3
229910052758 niobium Inorganic materials 0.000 claims abstract description 3
229910052720 vanadium Inorganic materials 0.000 claims abstract description 3
239000000463 material Substances 0.000 claims description 49
238000003466 welding Methods 0.000 claims description 9
230000002093 peripheral effect Effects 0.000 claims description 6
239000010703 silicon Substances 0.000 claims description 5
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
229910045601 alloy Inorganic materials 0.000 claims description 4
239000000956 alloy Substances 0.000 claims description 4
WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 4
238000001816 cooling Methods 0.000 claims description 3
238000010438 heat treatment Methods 0.000 claims description 3
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
239000011651 chromium Substances 0.000 claims description 2
239000011777 magnesium Substances 0.000 claims description 2
229910052749 magnesium Inorganic materials 0.000 claims description 2
150000001247 metal acetylides Chemical class 0.000 claims description 2
229910052750 molybdenum Inorganic materials 0.000 claims description 2
239000011733 molybdenum Substances 0.000 claims description 2
229910052759 nickel Inorganic materials 0.000 claims description 2
239000010955 niobium Substances 0.000 claims description 2
GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 2
229910052698 phosphorus Inorganic materials 0.000 claims description 2
239000011574 phosphorus Substances 0.000 claims description 2
UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 2
LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 2
UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical group [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 claims 1
239000011248 coating agent Substances 0.000 claims 1
238000000576 coating method Methods 0.000 claims 1
238000000151 deposition Methods 0.000 abstract 2
230000008021 deposition Effects 0.000 abstract 1
238000005552 hardfacing Methods 0.000 abstract 1
229910052748 manganese Inorganic materials 0.000 abstract 1
FXNGWBDIVIGISM-UHFFFAOYSA-N methylidynechromium Chemical compound [Cr]#[C] FXNGWBDIVIGISM-UHFFFAOYSA-N 0.000 abstract 1
239000011257 shell material Substances 0.000 description 24
229910001018 Cast iron Inorganic materials 0.000 description 7
238000005266 casting Methods 0.000 description 3
239000004568 cement Substances 0.000 description 3
238000004458 analytical method Methods 0.000 description 2
238000005253 cladding Methods 0.000 description 2
238000002474 experimental method Methods 0.000 description 2
235000004443 Ricinus communis Nutrition 0.000 description 1
240000000528 Ricinus communis Species 0.000 description 1
238000005299 abrasion Methods 0.000 description 1
239000011324 bead Substances 0.000 description 1
-1 chrome carbides Chemical class 0.000 description 1
239000003245 coal Substances 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000011161 development Methods 0.000 description 1
230000018109 developmental process Effects 0.000 description 1
239000000203 mixture Substances 0.000 description 1
239000002994 raw material Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1

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
- B02C4/30—Shape or construction of rollers
- B02C4/305—Wear resistant rollers

Definitions

the invention relates to a method for manufacturing a grinding roller for the comminution of brittle regrinds in a material bed roller mill, according to the Preamble of claim 1.
roller surfaces are straight very much with the brittle and abrasive grinding materials mentioned high demands both with regard to abrasion (Wear) and exposed to the pressures the roller shell will be used here every Grinding roller made of accordingly resistant and especially made of wear-resistant material.
roller materials mainly include chilled cast iron as well Alloyed hard materials by cladding be applied to the base material. At this Crushing in a material bed roller mill causes this occurring on the roll surfaces or roll shells high pressures that after appropriate running or Operating times of the roller material, especially those of today mostly used surfaced roll shells tired especially near the surface, apart from the sometimes considerable wear. This material fatigue leads to the The service lives of these grinding rollers are limited; leave with it the roller shells also no longer regenerate sensibly.
EP-B-563 564 there is therefore a material bed roller mill proposed to be used in the grinding rollers which according to the preamble of claim 1 are manufactured, i.e. which in particular a roller shell from a wear-resistant chilled cast iron, at which is among others from a highly wear-resistant bainitic Cast material can act.
the special thing about this known grinding rollers is that on the Surface of the chill roll shell of each grinding roller Profiles in the form of welding beads made of wear-resistant Cladding material applied are. It has been shown that by this production the milling castors made of chilled cast iron with build-up welding a significantly higher compressive strength and thus longer life in terms of wear than with the above-mentioned weld-welded grinding rollers can be achieved.
the chilled cast iron or the chilled cast iron material is a relative has brittle behavior.
the latter can especially in the case of relatively intermittent or striking Shredding work or stress on the grinding rollers, as is especially the case with very brittle and large pieces Regrind is often the case, cause the hard cast material breaks spontaneously.
it can already undesirable during the manufacture of the grinding rollers Breaks come; this can already happen with oneshrinking the roll cover onto the roll base due to shrinkage stresses happen.
the invention is therefore based on the object Method of the prerequisite in the preamble of claim 1 Way to further improve in such a way that still relatively high wear and pressure resistance particularly high operational reliability of the roll shell (and thus the entire grinding roller) against breakage can be achieved.
the roll shell consists of a ductile bainitic nodular cast iron with an elongation at break of about 0.1 to about 2.5% and a compressive strength of about 1,000 to 1,800 MPa is produced, with a preferred maximum value of the aforementioned elongation at break is around 2.0%.
an elongation at break of the cast material and thus the roll shell of at least about 0.5%, i.e. an elongation at break from about 0.5 to 2.5%, particularly preferably from about 0.5 to 2.0%, and a compressive strength of about 1,200 to 1,600 MPa selected.
the roll shell with a hardness of about 42 to 55 HRc, preferably from about 45 to 50 HRc, i.e. Rockwell hardness.
a grinding roller are examples of typical below Called compositions.
the roll shell i.e. for the real one Sheath body
the hard overlay welding material is preferably one highly wear-resistant chrome-carbon alloy used, in addition to chrome carbides there are also special carbides form.
the hard material can also thanks to highly wear-resistant tungsten carbide surfacing be formed.
the roll shell can affect the material properties of ductile bainitic ductile iron by controlled cooling and / or heat treatment of the roll shell in the desired or required Way to be set.
the invention manufactured grinding roller in a constructive or structural In terms of general terms and shape can be carried out in the same way as it is with Gutbett roll mills well known and also essentially is described in the mentioned EP-B 563 564.
this grinding roller generally in two parts from the roller body (sometimes also as roller shaft referred to) and firmly attached to it Roll jacket exists.
the roller body can manufactured in the usual way as a forged component be on which the roller shell, for example, by a removable shrink fit firmly and reliably attached becomes.

Landscapes

Engineering & Computer Science (AREA)
Food Science & Technology (AREA)
Crushing And Grinding (AREA)
Pressure Vessels And Lids Thereof (AREA)
Solid Fuels And Fuel-Associated Substances (AREA)
Pistons, Piston Rings, And Cylinders (AREA)

EP98120943A 1997-11-12 1998-11-04 Procédé de fabrication d'un rouleau broyeur Expired - Lifetime EP0916407B2 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19750144A DE19750144A1 (de)	1997-11-12	1997-11-12	Verfahren zur Herstellung einer Mahlwalze
DE19750144		1997-11-12

Publications (3)

Publication Number	Publication Date
EP0916407A1 true EP0916407A1 (fr)	1999-05-19
EP0916407B1 EP0916407B1 (fr)	2002-04-03
EP0916407B2 EP0916407B2 (fr)	2005-08-03

Family

ID=7848513

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP98120943A Expired - Lifetime EP0916407B2 (fr)	1997-11-12	1998-11-04	Procédé de fabrication d'un rouleau broyeur

Country Status (7)

Country	Link
US (1)	US6203588B1 (fr)
EP (1)	EP0916407B2 (fr)
BR (1)	BR9804606A (fr)
DE (2)	DE19750144A1 (fr)
DK (1)	DK0916407T4 (fr)
ES (1)	ES2174373T5 (fr)
ZA (1)	ZA9810026B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2006027215A1 (fr) *	2004-09-09	2006-03-16	Khd Humboldt Wedag Gmbh	Garniture annulaire pour rouleaux presseurs et procede pour realiser ladite garniture
DE102006008115A1 (de) *	2006-02-20	2007-08-30	Siemens Ag	Mahlwerkzeug mit einer Beschichtung
CN103658551A (zh) *	2013-11-27	2014-03-26	湖州中联机械制造有限公司	一种大型水泥磨机磨辊的制造方法
WO2014173877A3 (fr) *	2013-04-23	2014-12-24	Thyssenkrupp Industrial Solutions Ag	Dispositif de broyage de matériaux abrasifs

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20060210061A1 (en) *	2003-07-17	2006-09-21	Ulrich Hardebusch	Telephone handset and acoustic converter for one such telephone handset
US20100151268A1 (en) *	2008-12-11	2010-06-17	Flsmidth A/S	Wear-resistant hard surfacing method and article
DE102010024221A1 (de) *	2010-06-18	2011-12-22	Khd Humboldt Wedag Gmbh	Profilierte Bandage für eine Rollenpresse
JP5542104B2 (ja) *	2011-08-09	2014-07-09	住友ゴム工業株式会社	タイヤの耐摩耗性能を評価する方法
US9375718B2 (en)	2011-10-18	2016-06-28	Diamond Power International, Inc.	Shaft-to-roller attachment for clinker grinder roller

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2771358A (en) *	1954-07-16	1956-11-20	Int Nickel Co	Machine elements for crushers
EP0361172A1 (fr) *	1988-09-22	1990-04-04	Klöckner-Humboldt-Deutz Aktiengesellschaft	Revêtement résistant à l'usure pour cylindres de broyeurs à cylindres et procédé pour appliquer ledit revêtement
EP0563564A2 (fr) *	1992-03-30	1993-10-06	Krupp Polysius Ag	Broyeur à rouleaux

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DE1120242B (de) *	1959-06-24	1961-12-21	Hoesch Ag	Verfahren zum Aufbringen verschleissfester Schichten auf Walzen u. dgl.
DE3116227C2 (de) *	1981-04-23	1983-12-01	Kubota Ltd., Osaka	Verbundguß-Arbeitswalze und Verfahren zu ihrer Herstellung
US4396442A (en) *	1981-05-15	1983-08-02	Kubota Ltd.	Ductile cast iron roll and a manufacturing method thereof
FR2522291A1 (fr) *	1982-03-01	1983-09-02	Pont A Mousson	Tube centrifuge en fonte a graphite spheroidal et son procede de fabrication
US4541878A (en) *	1982-12-02	1985-09-17	Horst Muhlberger	Cast iron with spheroidal graphite and austenitic-bainitic mixed structure
US4484953A (en) *	1983-01-24	1984-11-27	Ford Motor Company	Method of making ductile cast iron with improved strength
FR2575683B1 (fr) *	1985-01-04	1987-01-30	Pont A Mousson	Procede et installation pour la fabrication continue de tuyaux en fonte a graphite spheroidal a structure controlee
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JP2709103B2 (ja) *	1988-11-28	1998-02-04	日本ピストンリング株式会社	ロッカーアーム
DE3843173A1 (de) *	1988-12-22	1990-07-05	Kloeckner Humboldt Deutz Ag	Verschleissfeste oberflaechenpanzerung fuer die walzen von walzenmaschinen, insbesondere hochdruck-walzenpressen
DE4134134A1 (de) *	1991-10-15	1993-04-22	Castolin Sa	Verfahren zum beschichten von teilen aus gusseisen und dessen verwendung
SE504707C2 (sv) *	1995-07-14	1997-04-07	Sandvik Ab	Kompositvalls med hårdmetall och gjutjärn

1997
- 1997-11-12 DE DE19750144A patent/DE19750144A1/de not_active Withdrawn
1998
- 1998-11-03 ZA ZA9810026A patent/ZA9810026B/xx unknown
- 1998-11-04 EP EP98120943A patent/EP0916407B2/fr not_active Expired - Lifetime
- 1998-11-04 ES ES98120943T patent/ES2174373T5/es not_active Expired - Lifetime
- 1998-11-04 DE DE59803601T patent/DE59803601D1/de not_active Expired - Lifetime
- 1998-11-04 DK DK98120943T patent/DK0916407T4/da active
- 1998-11-10 BR BR9804606-3A patent/BR9804606A/pt not_active IP Right Cessation
- 1998-11-11 US US09/189,667 patent/US6203588B1/en not_active Expired - Lifetime

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2771358A (en) *	1954-07-16	1956-11-20	Int Nickel Co	Machine elements for crushers
EP0361172A1 (fr) *	1988-09-22	1990-04-04	Klöckner-Humboldt-Deutz Aktiengesellschaft	Revêtement résistant à l'usure pour cylindres de broyeurs à cylindres et procédé pour appliquer ledit revêtement
EP0563564A2 (fr) *	1992-03-30	1993-10-06	Krupp Polysius Ag	Broyeur à rouleaux
EP0563564B1 (fr)	1992-03-30	1997-06-25	Krupp Polysius Ag	Broyeur à lit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
GUDAT G ET AL: "BETRIEBSERFAHRUNGEN MIT DEM VERSCHLEISS-SCHUTZ BEI HOCHDRUCK-ROLLENMUEHLEN", ZKG INTERNATIONAL, vol. 50, no. 7, 1997, pages 384 - 392, XP000727722 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2006027215A1 (fr) *	2004-09-09	2006-03-16	Khd Humboldt Wedag Gmbh	Garniture annulaire pour rouleaux presseurs et procede pour realiser ladite garniture
DE102004043562A1 (de) *	2004-09-09	2006-03-30	Khd Humboldt Wedag Gmbh	Presswalzen-Ringbandage und Verfahren zu ihrer Herstellung
CN100581652C (zh) *	2004-09-09	2010-01-20	Khd洪保德韦达克有限公司	压辊的环形轮箍和用于制造该环形轮箍的方法
US7832671B2 (en)	2004-09-09	2010-11-16	Khd Humboldt Wedag Gmbh	Press roller annular casing and method for production thereof
US8388772B2 (en)	2004-09-09	2013-03-05	Khd Humboldt Wedag Gmbh	Press roller annular casing and method
DE102004043562B4 (de) *	2004-09-09	2016-09-29	Khd Humboldt Wedag Gmbh	Presswalzen-Ringbandage und Verfahren zu ihrer Herstellung
DE102006008115A1 (de) *	2006-02-20	2007-08-30	Siemens Ag	Mahlwerkzeug mit einer Beschichtung
WO2014173877A3 (fr) *	2013-04-23	2014-12-24	Thyssenkrupp Industrial Solutions Ag	Dispositif de broyage de matériaux abrasifs
CN103658551A (zh) *	2013-11-27	2014-03-26	湖州中联机械制造有限公司	一种大型水泥磨机磨辊的制造方法

Also Published As

Publication number	Publication date
DE19750144A1 (de)	1999-06-02
EP0916407B2 (fr)	2005-08-03
DK0916407T4 (da)	2005-12-12
ZA9810026B (en)	1999-05-05
ES2174373T5 (es)	2006-02-01
BR9804606A (pt)	1999-11-03
ES2174373T3 (es)	2002-11-01
DE59803601D1 (de)	2002-05-08
EP0916407B1 (fr)	2002-04-03
US6203588B1 (en)	2001-03-20
DK0916407T3 (da)	2002-07-29

Legal Events

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1999-04-01	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
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2000-11-08	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: SCHWAEBISCHE HUETTENWERKE GMBH Owner name: KRUPP POLYSIUS AG
2000-11-08	RIN1	Information on inventor provided before grant (corrected)	Inventor name: LAAG, RAINHARD DR. Inventor name: HERBST, HORST Inventor name: VOLK, THOMAS Inventor name: KRUEGER, JUERGEN Inventor name: RUEBBELKE, LUDGER DR.-ING. Inventor name: LUECKE, HELMUT DIPL.-ING. Inventor name: SCHROEDER, HEINZ DIPL.-ING.
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