EP0846496A1 - Revêtement résistant à l'usure pour cylindres de broyeurs à cylindres à haute pression pour le broyage sous pression de matériau granulaire - Google Patents

Revêtement résistant à l'usure pour cylindres de broyeurs à cylindres à haute pression pour le broyage sous pression de matériau granulaire Download PDF

Info

Publication number
EP0846496A1
EP0846496A1 EP97114251A EP97114251A EP0846496A1 EP 0846496 A1 EP0846496 A1 EP 0846496A1 EP 97114251 A EP97114251 A EP 97114251A EP 97114251 A EP97114251 A EP 97114251A EP 0846496 A1 EP0846496 A1 EP 0846496A1
Authority
EP
European Patent Office
Prior art keywords
roller
profile
welding
profiles
chambers
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.)
Ceased
Application number
EP97114251A
Other languages
German (de)
English (en)
Inventor
Michael Wollner
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.)
Deutz AG
Original Assignee
Deutz 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
Application filed by Deutz AG filed Critical Deutz AG
Publication of EP0846496A1 publication Critical patent/EP0846496A1/fr
Ceased legal-status Critical Current

Links

Images

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 wear-resistant surface armor for the rollers of high pressure roller presses Pressure crushing granular good, with a variety on the roller surface at a distance from each other outwardly protruding profiles through Build-up welding of hard metallic materials are generated and the chambers between them for receiving of compressed fine-grained material.
  • brittle regrind becomes into the nip through which the two rotatably mounted counter-rotating rollers separated from each other are drawn in and there a pressure shredding subject.
  • So-called material bed crushing is also known in the nip of a high pressure roller press, where the individual particles of the by friction regrind drawn into the nip in a bed, d. H. in one between the two roller surfaces compressed material when used a high pressure can be crushed. It it is understood that the roller surfaces of one extraordinarily high stress and wear are exposed.
  • the welding of such prefabricated profile bodies is, however, only for a weldable profile body material such as B. steel or the like. Possible.
  • the storage is more prefabricated Profile body in corresponding recesses such as blind holes of the roller body as a result of the machining Processing relatively complex in terms of production technology, and it’s armored like that when it’s operating Roller press the risk cannot be completely excluded that due to the high pressure exerted on the studs on existing notches, especially at the side acting forces, in the recesses / bores of the Acts on the roller body, damage due to crack formation what can arise in the lateral surface of the roller a reduction in the durability of the armor would lead. It can also be troublesome in the event of wear those pressed into the blind hole Remove stud bolts from their holes and to be replaced by new bolts.
  • the invention has for its object, in particular for the rollers of high-pressure roller presses for pressure reduction granular good a wear-resistant for the suitable surface armor for autogenous wear protection to create, which has a long service life and it is simple, fast and overall inexpensive to manufacture and to regenerate / repair is.
  • Characteristic of the surface armor according to the invention for the rollers of high pressure roller presses Pressure crushing of granular goods with the application of Technique of autogenous wear protection is that at the roller surface at a distance from each other Profiles protruding to the outside through beam welding between two adjacent weld pool supports have emerged, being in the circumferential direction of the roller seen every next but one chamber between neighboring weld pool supports with custom welding material is filled while the ones in between Chambers the compressed in the nip pick up fine-grained material.
  • the the order weld pool laterally shaping and supporting Melting pool supports can easily be turned on Roll surface stapled spaced apart melt-resistant profile iron exist.
  • profile irons are advantageously upright Flat iron, with its narrow side in time the profile beam weld is tacked to the roll surface will. Then it is seen in the circumferential direction of the roller every next but one space between neighboring ones Flat iron especially in several superimposed ones Welding layers filled with order welding material.
  • the flat iron used for the shape welding of the Profile beam welding are necessary, but on the other hand when using the armored roller do not disturb, then remain in the "lost form" in the Armor back on the roller surface.
  • the gaps or chambers of the roller press fill up between adjacent profile beam welds or their melt pool supports such.
  • the steep flanks of the edgewise on the roller surface welded profile iron or weld pool supports favor the storage and holding of the compressed Good material in the gaps or Chambers of the profile beam welds that are spaced apart from one another.
  • Profile beam welds can also be used instead of flat bars Serve iron wires or round iron bars.
  • the melt pool supports can be parallel to the axis or at an angle to Roller axis, e.g. B. arrow-shaped in the form of a V-profile be tacked to the roller surface.
  • the profile beam welds which each have a chamber between fill in two adjacent weld pool supports each consisting of several successive applied welding layers, e.g. B. consist of four welding layers.
  • the drawing shows schematically in perspective in the cutout the surface 10 of a roller or their bandage or their segments with which on the Roller surface 10 attached surface armor according to the invention.
  • Do this on the roller surface 10 by means of simple tack welds 11 in the exemplary embodiment axially parallel upright flat iron 12, 13, 14, 15, 16, etc. stapled.
  • the individual profile beam welds can 18, 19, etc.
  • each from several welded layers be constructed in the embodiment e.g. B. from the four welding layers 1, 2, 3 and 4.
  • the flat bars 12 to 16 etc. each serve as a side Welding weld pool support for profile beam welds 18, 19 etc ..
  • these flat irons as Melting pool supports made of simple melt pool resistant Iron material such as B. St 37 exist, exist Profile beam welds 18, 19 etc. made of hard alloy materials with a hardness of more than 50 HRC (Rockwell C hardness test).
  • HRC Rockwell C hardness test.
  • the introduction of the Weld metal in the chambers between the respective Flat iron by means of the welding electrodes can be done by hand or take place fully mechanized with particular advantage.
  • a roller pretreated in this way is used in a high-pressure roller press used for pressure reduction of granular material, so are in the spaces or chambers between the profile beam welds 18, 19 etc. the Good materials pressed in with high pressure and this Good material remains in the chambers as a more densely compressed one composed of fine particles Compacts 20, 21 etc., these compacts the autogenous Form wear protection for the roller surface 10.
  • the flat bars 12 to 16 etc. remain as "Lost form" in the surface armor according to the invention back to where they are after they function as Have not fulfilled the molten bath support in any way to disturb.
  • the width the profile beam welds 18, 19 smaller than about 30 mm, e.g. B. can be about 20 to 25 mm.
  • the width of the Chambers 20, 21 between the beam welds 18, 19, which are in operation of the roller press with highly compressed fill compressed good material, d. H. thus the clear width between the flat bars 12, 13 or 14, 15 may be less than 40 mm, z. B. 10 to 25 mm be.
  • the roller can simply be regenerated by pressing the roller surface again
  • Surface armor is applied when occurring Partial breakouts of the surface armor according to the invention you can easily get them back at the local locations be repaired. Groove and drilling work are included not required on the roller body.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Crushing And Grinding (AREA)
EP97114251A 1996-11-08 1997-08-19 Revêtement résistant à l'usure pour cylindres de broyeurs à cylindres à haute pression pour le broyage sous pression de matériau granulaire Ceased EP0846496A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19646030 1996-11-08
DE1996146030 DE19646030A1 (de) 1996-11-08 1996-11-08 Verschleißfeste Oberflächenpanzerung für die Walzen von Hochdruckwalzenpressen zur Druckzerkleinerung körnigen Gutes

Publications (1)

Publication Number Publication Date
EP0846496A1 true EP0846496A1 (fr) 1998-06-10

Family

ID=7810991

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97114251A Ceased EP0846496A1 (fr) 1996-11-08 1997-08-19 Revêtement résistant à l'usure pour cylindres de broyeurs à cylindres à haute pression pour le broyage sous pression de matériau granulaire

Country Status (2)

Country Link
EP (1) EP0846496A1 (fr)
DE (1) DE19646030A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111760636A (zh) * 2020-07-03 2020-10-13 浙江申轮水泥机械制造有限公司 一种辊压机辊套及其制造工艺
CN112218721A (zh) * 2018-02-08 2021-01-12 韦尔矿物荷兰有限公司 用于辊压机的辊子以及设置有这种辊子的辊压机

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002300967B2 (en) * 2001-09-11 2008-11-20 The Track Shop Pty Ltd Improvements to Mill Roll Surface Coatings

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0271336A2 (fr) * 1986-12-09 1988-06-15 I N G Shoji Co., Ltd. Eléments broyeurs pour broyeurs
DE4038798A1 (de) * 1990-12-05 1992-06-11 Krupp Polysius Ag Walzenmuehle
WO1992015451A1 (fr) * 1991-03-05 1992-09-17 Arnoldy Roman F Composites charges par soudage de metal dur et a liaisons multiples
EP0563564A2 (fr) * 1992-03-30 1993-10-06 Krupp Polysius Ag Broyeur à rouleaux
EP0728523A1 (fr) * 1995-02-24 1996-08-28 Krupp Polysius Ag Cylindre, procédé pour la fabrication d'un cylindre et broyeur à cylindres à lit de matière

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD286534A5 (de) * 1989-07-04 1991-01-31 Ingenieurhochschule Koethen,De Vorrichtung zur schmelzbadsicherung an vertikalen schweissnaehten, insbesondere fuer das up-schweissen, mittels einer flexiblen, bandfoermigen unterlage
DE3926883A1 (de) * 1989-08-16 1991-02-21 Kloeckner Humboldt Deutz Ag Verschleissfeste oberflaechenpanzerung fuer die walzen von walzenmaschinen, insbesondere von hochdruck-walzenpressen
DD298072A5 (de) * 1990-09-27 1992-02-06 Deutsche Seereederei Rostock Gmbh Betriebliches Vorschlagswesen,De Verfahren der schweisstechnischen regenerierung an rotationssymmetrischen teilen
ES2088042T3 (es) * 1992-03-21 1996-08-01 Mtu Muenchen Gmbh Dispositivo para soldadura de recargue.
DE4324074A1 (de) * 1993-07-17 1995-01-19 Kloeckner Humboldt Deutz Ag Verschleißfeste Oberflächenpanzerung für die Walzen von Hochdruck-Walzenpressen und Verfahren zum Aufbau einer solchen Walzenpanzerung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0271336A2 (fr) * 1986-12-09 1988-06-15 I N G Shoji Co., Ltd. Eléments broyeurs pour broyeurs
DE4038798A1 (de) * 1990-12-05 1992-06-11 Krupp Polysius Ag Walzenmuehle
WO1992015451A1 (fr) * 1991-03-05 1992-09-17 Arnoldy Roman F Composites charges par soudage de metal dur et a liaisons multiples
EP0563564A2 (fr) * 1992-03-30 1993-10-06 Krupp Polysius Ag Broyeur à rouleaux
EP0728523A1 (fr) * 1995-02-24 1996-08-28 Krupp Polysius Ag Cylindre, procédé pour la fabrication d'un cylindre et broyeur à cylindres à lit de matière

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112218721A (zh) * 2018-02-08 2021-01-12 韦尔矿物荷兰有限公司 用于辊压机的辊子以及设置有这种辊子的辊压机
CN112218721B (zh) * 2018-02-08 2022-04-29 韦尔矿物荷兰有限公司 用于辊压机的辊子以及设置有这种辊子的辊压机
CN111760636A (zh) * 2020-07-03 2020-10-13 浙江申轮水泥机械制造有限公司 一种辊压机辊套及其制造工艺

Also Published As

Publication number Publication date
DE19646030A1 (de) 1998-05-14

Similar Documents

Publication Publication Date Title
EP0699479B1 (fr) Cylindre de surface résistant à l'abrasion à utiliser dans des presses à cylindres à haute pression pour le broyage par pressure de matériau granulé
EP1684907B1 (fr) Cylindre de broyage pour le broyage par pression d'un materiau en grains
DE3787791T2 (de) Zerkleinerungselemente für Zerkleinerungsmaschinen.
EP1077087B1 (fr) Rouleau broyeur et procédé de fabrication correspondente
EP0659108B1 (fr) Presses a rouleaux, notamment pour broyer des substances fortement abrasives
DE102009050636B4 (de) Mahlwalze und Ringbandage für eine Mahlwalze
EP0443195B2 (fr) Blindage de surface résistant à l'usure pour les cylindres de machines à cylindres, en particulier les presses à cylindres à haute pression
EP0728523B1 (fr) Cylindre, procédé pour la fabrication d'un cylindre et broyeur à cylindres à lit de matière
DE4210395A1 (de) Walzenmühle
EP0634217B1 (fr) Procédé de fabrication d'un revêtement résistant à l'usure pour cylindres de broyeurs à cylindres haute pression
DE3926883A1 (de) Verschleissfeste oberflaechenpanzerung fuer die walzen von walzenmaschinen, insbesondere von hochdruck-walzenpressen
DE102004043562B4 (de) Presswalzen-Ringbandage und Verfahren zu ihrer Herstellung
EP0846496A1 (fr) Revêtement résistant à l'usure pour cylindres de broyeurs à cylindres à haute pression pour le broyage sous pression de matériau granulaire
DE2612210B1 (de) Verbundkoerper und verfahren zu seiner herstellung
DE4235298A1 (de) Verfahren zum Herstellen einer Mahlwalze
WO1990006811A1 (fr) Blindage de surface resistant a l'usure pour les cylindres de machines a cylindres, en particulier les presses a cylindres haute pression
AT401478B (de) Auswechselbarer verschleissteil
EP0872280B1 (fr) Revêtement résistant à l'usure pour cylindres de broyeurs à cylindres pour le broyage sous pression de matériau granulaire
DE19627039A1 (de) Siebplatte
DE19721637A1 (de) Brechbacke zur Ausrüstung eines Backenbrechers, insbesondere für verschleißarmes Zerkleinern von Naturgestein oder Bauschutt
DE9422077U1 (de) Walzenpresse, insbesondere zum Zerkleinern von stark abrasiven Stoffen
DE19754291A1 (de) Verschleißschutz-Segment sowie verschleißgeschütztes Maschinenteil mit einer Vielzahl derartiger Segmente
DE1533198C (de) Stoß- und abriebfestes Verbundmaterial mit einer Hartmetallschicht
DE102005028567B4 (de) Verfahren zur Herstellung eines Verschleißteiles für einen Kegelbrecher und ein Verschleißteil
DE29709101U1 (de) Brechbacke zur Ausrüstung eines Backenbrechers, insbesondere für verschleißarmes Zerkleinern von Naturgestein oder Bauschutt

Legal Events

Date Code Title Description
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

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE DK

AX Request for extension of the european patent

Free format text: AL;LT;LV;RO;SI

17P Request for examination filed

Effective date: 19980902

AKX Designation fees paid

Free format text: DE DK

RBV Designated contracting states (corrected)

Designated state(s): DE DK

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

17Q First examination report despatched

Effective date: 20000908

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 20010301