EP0396897A2 - Cylindre broyeur - Google Patents
Cylindre broyeur Download PDFInfo
- Publication number
- EP0396897A2 EP0396897A2 EP90106145A EP90106145A EP0396897A2 EP 0396897 A2 EP0396897 A2 EP 0396897A2 EP 90106145 A EP90106145 A EP 90106145A EP 90106145 A EP90106145 A EP 90106145A EP 0396897 A2 EP0396897 A2 EP 0396897A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheet metal
- metal strips
- grinding roller
- roller according
- segments
- 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.)
- Granted
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 a grinding roller, in particular for use in a material bed roller mill, in which brittle ground material is comminuted between two grinding rollers pressed against one another at high pressure, according to the preamble of claim 1.
- a grinding roller of the required type is described, for example, in an older, not previously published proposal for a roller mill (P 38 33 614.6).
- the main thing here is to clamp the individual jacket segments together with the aid of clamping plates which are provided on the end faces of the rolls and are clamped using clamping screws.
- the wear of the segments that occurs when comminuting brittle regrind (for example cement clinker) and, in particular, the disturbing wear occurring in the area of the end faces of the segments and the repair work resulting therefrom are to be countered by the clamping plates completely covering the end faces of the segments cover and seal flush with the outer peripheral surface of the segments.
- This invention is based on the object of developing a grinding roller of the type required in the preamble of claim 1 in such a way that, with a relatively simple construction, it contributes to a particularly good feed behavior of the ground material to be comminuted in a roller mill, in particular a material bed roller mill.
- this grinding roller contains a roller base body 2 and a roller shell 3 which is arranged directly on the roller base body 2 and consists of individual - in the present example, six - annular segments 4 is composed. All six segments 4 are with the roller body 2 - preferably close to each other in the circumferential direction of the roller lying - tensioned, as will be explained in more detail below. All segments 4 are of uniform and equal size, so that they can be exchanged individually and with one another.
- Each segment 4 is largely made of hard cast material, preferably hard cast (cast steel).
- a suitable number of sheets 5 arranged with circumferential spacings are cast into each segment 4 of the roll shell 3 and are made of a material that is softer than the hard cast iron, preferably of essentially non-hardenable steel (structural steel).
- These sheets 5 run essentially transversely to the casing surface 3a and, viewed in cross-section according to FIG. 1, are oriented approximately radially to this casing surface 3a.
- all of the sheets 5 are in the form of essentially transverse, i.e. H. essentially running in the direction of the roll longitudinal axis, sheet metal strips, which are basically in any length (viewed in the direction of the axial roll length) and in any, most appropriate forms, d. H. Unprofiled or profiled in the longitudinal direction can be formed.
- the radial height h of these sheets or sheet strips 5 can generally be of any type. This radial height of the sheet metal strips 5 cast into the segments 4 will preferably correspond approximately to a predetermined outer wear layer thickness of the roll shell 3, as is indicated in FIG. 1 for two segments 4 by a dash-dotted line 6.
- FIG. 2 shows a perspective illustration of how each or each segment 4 of the roll shell 3 is fastened on the roll base body 2 can be. Thereafter, a correspondingly large number of sufficiently large, axially extending grooves 7 are provided on the outer circumferential side of the roller base body 2, and correspondingly profiled clamping plate segments 8 are arranged on the two opposite end faces 2a, 2b of the roller base body in such a way that they each have the appropriate profile Grip over the inner circumferential sides 4a of the associated jacket segment 4.
- Two clamping plate segments 8 acting on the two opposite end faces 2a, 2b of the roller base body 2 and of the respective segment 4 are then firmly clamped together with the aid of two axially extending tensioning screws which are known per se and are therefore not illustrated in detail, so that they clamp the segments with the roller base body 2 tight.
- FIG. 4 shows a further possibility of how the roller base body 2 is, as it were, sawtooth-shaped in cross-section on its outer circumferential side, the correspondingly profiled inner side 4d of the associated segment 4 being inserted in a suitable manner in each sawtooth-shaped recess 10.
- the attachment of the segments 4 on the roller body 2 can be in one of the forms described (by means of clamping screws or fastening screws) or in any other suitable Way.
- Profiling the outer circumferential side of the roller base body 2 and the matching profile of the inside of each segment 4 has the advantage that the roller shell firmly clamped on the roller base body is reliably and non-rotatably fixed on this roller base body.
- the sheet metal strips 5 made of the softer material can be made very differently and can also be cast in the cast material of the segments 4. A number of possibilities for this can be seen in FIGS. 2 and 5-10.
- the sheet metal strips 5 are designed as straight, flat (flat) sheet metal strips which extend parallel to the longitudinal axis 1 a of the roll over the entire axial length (working length) L of the roll cover 3.
- the sheet metal strips 5a cast in segment 4 are straight and run parallel to the longitudinal axis of the roll.
- the sheet metal strips 5a only extend over part of the axial length L of the roll shell, in such a way that in the peripheral sections of the segment 4 containing the sheet metal strips 5a, two such sheet metal strips 5a with an axial spacing from one another in a peripheral section Axial extension lie one behind the other, while in the peripheral sections immediately adjacent in the circumferential sections only such a sheet metal strip 5a is arranged approximately in the central longitudinal section of the roll shell or its segment 4.
- the sheet metal strips 5a are thus approximately staggered or in a gap with one another in adjacent circumferential sections.
- sheet metal strips 5a of the same type and of the same size as in the previous example (FIG. 5) are provided, but these sheet metal strips 5a are parallel to one another both in the circumferential direction and in the direction of the roll longitudinal axis in the adjacent circumferential sections of the segment 4 lie, and in such a respective circumferential section two such straight metal strips 5a are arranged one behind the other in axial extension.
- a plurality of straight sheet metal strips 5b aligned in the axial extension and parallel to the longitudinal axis of the roll are provided in the adjacent circumferential sections of the segment 4, but of significantly shorter length than in the previous examples.
- the sheet metal strips 5b which are cast into one another directly adjacent circumferential sections are staggered or arranged in a gap with one another and arranged in such a way that the sheet metal strips 5c of a plurality of adjacent peripheral sections of the individual segments 4 form a relatively flat arrow shape.
- Fig. 8 shows a further embodiment with straight, flat sheet metal strips 5c, the length of which corresponds only to a part of the axial length L of the segments 4 or the roll shell.
- two such sheet metal strips 5c are in turn arranged approximately in the direction of the roll longitudinal axis.
- FIG. 8 A basically similar arrangement of two sheet metal strips 5d in each corresponding circumferential section as shown in FIG. 8 also shows the example of FIG. 9.
- the sheet metal strips 5d cast into the individual segments 4 are each designed such that they are one in their longitudinal direction have a corrugated shape, with otherwise approximately the same flat arrow shape arrangement as was explained previously with reference to FIG. 8.
- Fig. 10 further illustrates an embodiment in which the sheet metal strips 5e of each jacket segment 4 also have a corrugated shape in their longitudinal direction, but only one such corrugated sheet metal strip 5e is arranged in each corresponding peripheral section of the segment 4, which is substantially in the direction of the Roll longitudinal axis 1a extends and extends over most of the axial length of the roll shell or from its segment 4.
- FIG. 11 shows another example, according to which the sheet metal strips 5f in turn extend approximately over the largest part of the axial length L of the roll shell 3 and are arranged in the circumferential direction at substantially equal distances from one another.
- the special feature of this design is the fact that all sheet metal is of the same design strips 5f - as shown in Fig. 11 - have a flat bend, preferably a symmetrical, approximately arrow-like flat angle shape.
- Each sheet metal strip 5f thus encloses a relatively obtuse angle ⁇ (similarly to the sheet metal strips 5c in FIG. 8 and 5d, respectively, which are axially one behind the other as in FIG. 9).
- the vertices 5f - of each obtuse angle thus formed lie approximately on the axial longitudinal center of the roll shell 3 and, depending on the application, can point in the direction of rotation or opposite to the direction of rotation of the associated roll.
- the grinding roller designed according to the invention is particularly well suited for use in a material bed roller mill of the type indicated at the outset, so that the brittle ground material to be comminuted can be drawn in particularly well and uniformly by the two grinding rollers arranged in the material bed roller mill.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3915320A DE3915320A1 (de) | 1989-05-10 | 1989-05-10 | Mahlwalze |
DE3915320 | 1989-05-10 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0396897A2 true EP0396897A2 (fr) | 1990-11-14 |
EP0396897A3 EP0396897A3 (fr) | 1991-03-20 |
EP0396897B1 EP0396897B1 (fr) | 1993-06-02 |
Family
ID=6380422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90106145A Expired - Lifetime EP0396897B1 (fr) | 1989-05-10 | 1990-03-30 | Cylindre broyeur |
Country Status (7)
Country | Link |
---|---|
US (1) | US5000392A (fr) |
EP (1) | EP0396897B1 (fr) |
BR (1) | BR9002136A (fr) |
DE (2) | DE3915320A1 (fr) |
DK (1) | DK0396897T3 (fr) |
ES (1) | ES2041071T3 (fr) |
ZA (1) | ZA902625B (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0516952A1 (fr) * | 1991-05-28 | 1992-12-09 | Klöckner-Humboldt-Deutz Aktiengesellschaft | Cylindre à revêtement résistant à l'usure, à utiliser dans des broyeurs à cylindres en particulier dans des broyeurs à cylindres à haute pression |
DE4312207A1 (de) * | 1993-04-14 | 1994-10-20 | Kloeckner Humboldt Deutz Ag | Mahlwalze für Walzenmaschinen |
WO2005049212A1 (fr) * | 2003-11-22 | 2005-06-02 | Khd Humboldt Wedag Gmbh | Cylindre de broyage pour le broyage par pression d'un materiau en grains |
EP2862631A1 (fr) * | 2013-10-16 | 2015-04-22 | Pallmann Maschinenfabrik GmbH & Co. KG | Dispositif destiné au traitement de matériaux de chargement coulants |
EP2868380A3 (fr) * | 2013-10-16 | 2015-08-12 | Pallmann Maschinenfabrik GmbH & Co. KG | Dispositif destiné au traitement de matériaux de chargement pouvant s'écouler |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5253816A (en) * | 1989-07-20 | 1993-10-19 | Krupp Polysius Ag | Material crushing roller construction |
DE4038798A1 (de) * | 1990-12-05 | 1992-06-11 | Krupp Polysius Ag | Walzenmuehle |
DE4210395A1 (de) * | 1992-03-30 | 1993-10-07 | Krupp Polysius Ag | Walzenmühle |
DE4400090C1 (de) * | 1994-01-04 | 1995-04-20 | Loesche Gmbh | Mahlwalze |
DE19515568A1 (de) * | 1995-04-27 | 1996-10-31 | Krupp Polysius Ag | Mahlelement und Verfahren zu dessen Herstellung |
EP1570905A1 (fr) * | 2004-03-03 | 2005-09-07 | Magotteaux International S.A. | Galets de broyage pour broyeur vertical |
WO2012115794A1 (fr) * | 2011-02-23 | 2012-08-30 | Flsmidth A/S | Rouleau de broyage |
CN102211111B (zh) * | 2011-03-17 | 2012-08-29 | 攀枝花市立宇矿业有限公司 | 复合轧碾辊 |
CN102773129A (zh) * | 2011-05-10 | 2012-11-14 | 北京能为科技发展有限公司 | 耐磨分体辊套 |
TW201330979A (zh) * | 2011-10-28 | 2013-08-01 | Smidth As F L | 耐磨滾輪 |
US8833687B2 (en) * | 2012-04-20 | 2014-09-16 | Metso Minerals Industries, Inc. | Crushing roll with edge protection |
DE102013103884B3 (de) * | 2013-04-17 | 2014-08-07 | Maschinenfabrik Köppern GmbH & Co KG | Presswalze |
DE102013103880B3 (de) * | 2013-04-17 | 2014-08-07 | Maschinenfabrik Köppern GmbH & Co KG | Presswalze |
WO2015091086A1 (fr) * | 2013-12-20 | 2015-06-25 | Khd Humboldt Wedag Gmbh | Procédé de réalisation d'empreintes dans un cylindre |
WO2015123770A1 (fr) * | 2014-02-19 | 2015-08-27 | Cast Steel Products Lp, By Its General Partner Cast Steel Products Gp Ltd. | Rouleau segmenté et son procédé de reconditionnement |
AU2016253584B2 (en) * | 2015-11-02 | 2018-11-29 | Infrabuild Wire Pty Limited | Apparatus for Mounting to a Post |
US10807098B1 (en) | 2017-07-26 | 2020-10-20 | Pearson Incorporated | Systems and methods for step grinding |
CN108772136A (zh) * | 2018-07-06 | 2018-11-09 | 郑州机械研究所有限公司 | 一种耐磨层可拆卸的耐磨辊 |
CN110154277B (zh) * | 2019-07-08 | 2020-06-19 | 霍昀 | 一种废旧轮胎破碎刀辊及其多功能破碎机 |
US10757860B1 (en) | 2019-10-31 | 2020-09-01 | Hemp Processing Solutions, LLC | Stripper apparatus crop harvesting system |
US10933424B1 (en) * | 2019-12-11 | 2021-03-02 | Pearson Incorporated | Grinding roll improvements |
WO2022188031A1 (fr) * | 2021-03-09 | 2022-09-15 | 霍昀 | Rouleau de broyage pour le recyclage de pneus usés, et broyeur multifonctionnel le comprenant |
DE102021114404A1 (de) | 2021-06-03 | 2022-12-08 | Takraf Gmbh | Segmentwalze, insbesondere zur Zerkleinerung oder Kompaktierung von Schüttgut |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB439895A (en) * | 1935-06-17 | 1935-12-17 | John Mcintyre | Machines for grinding material such as chocolate, paint and such like |
DE7934607U1 (de) * | 1979-12-08 | 1980-11-20 | Krupp Polysius Ag, 4720 Beckum | Mahlrolle |
EP0271336A2 (fr) * | 1986-12-09 | 1988-06-15 | I N G Shoji Co., Ltd. | Eléments broyeurs pour broyeurs |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2057307A (en) * | 1936-10-13 | Machine for grinding material | ||
DE610723C (de) * | 1932-10-21 | 1935-03-15 | Julius Schaeuble | Walzenbrecher |
DE1300425C2 (de) * | 1965-04-26 | 1974-10-17 | Intercontinentale-Technik Gesellschaft f. Planung u. Konstruktion mbH, 8000 München | Auskleidung und belag hoher verschleissfestigkeit fuer muehlen u. dgl |
SE308853B (fr) * | 1965-08-02 | 1969-02-24 | Skelleftea Gummifabriks Ab | |
US3390839A (en) * | 1965-11-12 | 1968-07-02 | Bolton Emerson | Grooved refiner plug and method for filling same |
DE2055147C3 (de) * | 1970-11-10 | 1975-12-04 | Maschinenfabrik Koeppern & Co Kg, 4320 Hattingen | Walzenpresse |
US3742852A (en) * | 1971-10-01 | 1973-07-03 | Dayco Corp | Magnetic printing cylinder |
US3804346A (en) * | 1972-09-11 | 1974-04-16 | T Norman | Liner for grinding mills |
US3989441A (en) * | 1973-10-26 | 1976-11-02 | United States Steel Corporation | Expansion shim for hot briquette roll segments |
US4542566A (en) * | 1982-11-15 | 1985-09-24 | Corrugating Roll Corporation | Corrugating roller |
DE3702251A1 (de) * | 1987-01-27 | 1988-08-11 | Teewen Bv | Rolle |
-
1989
- 1989-05-10 DE DE3915320A patent/DE3915320A1/de not_active Withdrawn
-
1990
- 1990-03-30 DE DE9090106145T patent/DE59001599D1/de not_active Expired - Fee Related
- 1990-03-30 ES ES199090106145T patent/ES2041071T3/es not_active Expired - Lifetime
- 1990-03-30 EP EP90106145A patent/EP0396897B1/fr not_active Expired - Lifetime
- 1990-03-30 DK DK90106145.7T patent/DK0396897T3/da active
- 1990-04-05 ZA ZA902625A patent/ZA902625B/xx unknown
- 1990-04-30 US US07/516,524 patent/US5000392A/en not_active Expired - Fee Related
- 1990-05-08 BR BR909002136A patent/BR9002136A/pt unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB439895A (en) * | 1935-06-17 | 1935-12-17 | John Mcintyre | Machines for grinding material such as chocolate, paint and such like |
DE7934607U1 (de) * | 1979-12-08 | 1980-11-20 | Krupp Polysius Ag, 4720 Beckum | Mahlrolle |
EP0271336A2 (fr) * | 1986-12-09 | 1988-06-15 | I N G Shoji Co., Ltd. | Eléments broyeurs pour broyeurs |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0516952A1 (fr) * | 1991-05-28 | 1992-12-09 | Klöckner-Humboldt-Deutz Aktiengesellschaft | Cylindre à revêtement résistant à l'usure, à utiliser dans des broyeurs à cylindres en particulier dans des broyeurs à cylindres à haute pression |
DE4312207A1 (de) * | 1993-04-14 | 1994-10-20 | Kloeckner Humboldt Deutz Ag | Mahlwalze für Walzenmaschinen |
WO2005049212A1 (fr) * | 2003-11-22 | 2005-06-02 | Khd Humboldt Wedag Gmbh | Cylindre de broyage pour le broyage par pression d'un materiau en grains |
CN100457276C (zh) * | 2003-11-22 | 2009-02-04 | Khd洪保德韦达克有限公司 | 用于压碎粒状物料的磨辊 |
US7497396B2 (en) | 2003-11-22 | 2009-03-03 | Khd Humboldt Wedag Gmbh | Grinding roller for the pressure comminution of granular material |
AU2004291333B2 (en) * | 2003-11-22 | 2009-09-10 | Khd Humboldt Wedag Gmbh | Grinding roll for pressure grinding granular material |
EP2862631A1 (fr) * | 2013-10-16 | 2015-04-22 | Pallmann Maschinenfabrik GmbH & Co. KG | Dispositif destiné au traitement de matériaux de chargement coulants |
EP2868380A3 (fr) * | 2013-10-16 | 2015-08-12 | Pallmann Maschinenfabrik GmbH & Co. KG | Dispositif destiné au traitement de matériaux de chargement pouvant s'écouler |
Also Published As
Publication number | Publication date |
---|---|
ES2041071T3 (es) | 1993-11-01 |
US5000392A (en) | 1991-03-19 |
BR9002136A (pt) | 1991-08-13 |
EP0396897B1 (fr) | 1993-06-02 |
EP0396897A3 (fr) | 1991-03-20 |
DE59001599D1 (de) | 1993-07-08 |
DK0396897T3 (da) | 1993-08-09 |
ZA902625B (en) | 1990-12-28 |
DE3915320A1 (de) | 1990-11-15 |
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