EP1511573B1 - Rührwerksmühle - Google Patents
Rührwerksmühle Download PDFInfo
- Publication number
- EP1511573B1 EP1511573B1 EP03747391A EP03747391A EP1511573B1 EP 1511573 B1 EP1511573 B1 EP 1511573B1 EP 03747391 A EP03747391 A EP 03747391A EP 03747391 A EP03747391 A EP 03747391A EP 1511573 B1 EP1511573 B1 EP 1511573B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- segments
- hub
- disk
- mill according
- agitating mill
- 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
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
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
- B02C17/163—Stirring means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/051—Stirrers characterised by their elements, materials or mechanical properties
- B01F27/052—Stirrers with replaceable wearing elements; Wearing elements therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/07—Stirrers characterised by their mounting on the shaft
- B01F27/071—Fixing of the stirrer to the shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/115—Stirrers characterised by the configuration of the stirrers comprising discs or disc-like elements essentially perpendicular to the stirrer shaft axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/83—Mixing plants specially adapted for mixing in combination with disintegrating operations
- B01F33/8305—Devices with one shaft, provided with mixing and milling tools, e.g. using balls or rollers as working tools; Devices with two or more tools rotating about the same axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/836—Mixing plants; Combinations of mixers combining mixing with other treatments
- B01F33/8361—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating
- B01F33/83613—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating by grinding or milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/115—Stirrers characterised by the configuration of the stirrers comprising discs or disc-like elements essentially perpendicular to the stirrer shaft axis
- B01F27/1151—Stirrers characterised by the configuration of the stirrers comprising discs or disc-like elements essentially perpendicular to the stirrer shaft axis with holes on the surface
Definitions
- the invention relates to an agitator mill with a grinding container and a stirring shaft rotating therein on which a plurality of disk-shaped grinding elements are arranged in series.
- An agitating mill is known in which a stirring shaft is arranged in the grinding chamber.
- the agitator shaft carries at an axial distance from each other a plurality of disc-shaped grinding elements.
- Each of the grinding elements is bounded radially by an edge bead. Between this edge bead and a hub which is connected by a pin connection with the agitator shaft, the grinding element 4 has circular openings.
- the grinding element itself is attached via an internal thread in the stirring shaft region with an external thread on the hub. So that the grinding element can be firmly connected to the hub, the hub is provided only over a portion of its surface facing the grinding chamber with a thread with reduced hub outer diameter.
- the grinding element If the grinding element is screwed onto this thread of the hub, the grinding element abuts against the hub part of larger diameter and is clamped therewith. If one or more grinding elements except on the last wear on the stirring shaft, which inevitably occurs after a certain number of operating hours, the previously arranged grinding elements must always be removed from the stirring shaft for replacement.
- An agitating mill with a screw conveyor is known as a grinding element.
- the screw conveyor has a shaft to which a screw surface is welded. Spiral segments are screwed to the screw surface.
- a disk-shaped grinding element for a stirred mill is known.
- the grinding element is a one-piece disc.
- the disc has on both sides orthogonal standing on the disc surface webs.
- the object of the invention is to make the grinding elements so that an exchange of individual grinding elements is made possible.
- the solution according to the invention consists of assembling a disc-shaped grinding element of several disc segments.
- the grinding elements can also be provided with a one- or multi-part hub.
- the advantage of using a detachable from the disc segments hub is that the hub can be made of a different material and thus can be interpreted for other load criteria.
- the disk segments are connected by screw with the one or more parts hub, the screw in the radial direction of the passages in the segments to reach into the hub.
- the parting line of the hub to the parting line of the disc segments is offset by 15-90 °, the grinding element can be made of only 4 hub and disc segments finished.
- this is advantageous since a hub can be quickly separated from the disk segments.
- the grinding disc on passages. Through these passages the grinding effect is increased.
- the disk segments can be interconnected with screws, which are directed from one passage to the other.
- the stability of the disc consisting of several disc segments can or must be increased depending on the size of the diameter of the grinding disc.
- the joints of the disk segments are designed differently, the variants ranging from a mere blunt approach over projections and recesses to groove-spring designs.
- Fig. 1 illustrates a refining element 12 consisting of five disc segments 14, 16, 18, 20, 22.
- the disc segments have a disc core 24 surrounded by a plastic or rubber layer 26.
- the disk segments are on their legs 28, 30, as well as in Fig. 2 shown provided with projections 32 and recesses 34, which provide for the axial support of the disc transitions.
- the disc segments 14, 16, 18, 20, 22 have slot-shaped apertures 36.
- the five disc segments 14 to 22 and the centrally arranged one-piece hub are through Screws 40 connected together.
- the positive connection between the drive shaft and the hub 38 is formed by the insertion of a spring in the groove 42nd
- the disk segments 14 to 22 can be removed or replaced individually, but the hub 38 itself is in one piece and includes the stirring shaft.
- the hub or hubs 38 can only be removed from the stirrer shaft by the removal of one or more hubs 38 or any spacers between the hubs.
- the Fig. 5 illustrates a refining element 12 which is composed of both two disc segments 46, 48, as well as two hub elements 50, 52.
- plastic polyamide, polyurethane
- metal reinforcements 54, 56, 58, 60 are introduced. These metal reinforcements 54, 56, 58, 60 are connected by screws to the hub.
- Each disk segment 46, 48 is offset, for example by 90 °, from the parting lines 64, 64 'of the hub elements 50, 52.
- the Fig. 6 illustrates the design of the legs of the disk segments 46, 48 after Fig. 5 .
- the illustrated dovetail connection which enter the two disc segments 46, 48 in the region of their legs, increases their stabilization in addition to the fastening by the screws.
- FIGS. 7 and 8 Another way to connect the disk segments 65, 66, 68,70 to the hub 38, show FIGS. 7 and 8 , Here, the disk segments are fastened in the inner radius region in the direction of their axis of rotation A on a web projecting outwardly from the hub 38.
- Each of the four disk segments 65, 66, 68, 70 has two screw connections in this overlapping region of web 72 and disk segment 65, 66, 68, 70.
- the screws 74 used for this purpose penetrate the core 76 of the disk segments 65, 66, 68, 70 and are bolted to the thread in the web 72.
- a direct connection of two or more disk segments is provided.
- the disk segments are bolted directly to and with each other.
- screws extend from the apertures to the adjacent disc segment.
- pin connections in the area of the shaft or clamping connections between the projections on the disk segments can also provide the firm connection.
- no central hub is provided in the center of the disc elements.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
- Adjustment And Processing Of Grains (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
- Milling Processes (AREA)
- Crushing And Pulverization Processes (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10219482A DE10219482B4 (de) | 2002-04-30 | 2002-04-30 | Rührwerksmühle |
DE10219482 | 2002-04-30 | ||
PCT/DE2003/001369 WO2003092897A1 (de) | 2002-04-30 | 2003-04-30 | Rührwerksmühle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1511573A1 EP1511573A1 (de) | 2005-03-09 |
EP1511573B1 true EP1511573B1 (de) | 2010-06-09 |
Family
ID=29264965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03747391A Expired - Lifetime EP1511573B1 (de) | 2002-04-30 | 2003-04-30 | Rührwerksmühle |
Country Status (9)
Country | Link |
---|---|
US (1) | US20050051651A1 (pt) |
EP (1) | EP1511573B1 (pt) |
AT (1) | ATE470502T1 (pt) |
AU (1) | AU2003243886B2 (pt) |
BR (1) | BR0304566B1 (pt) |
CA (1) | CA2480738C (pt) |
DE (2) | DE10219482B4 (pt) |
WO (1) | WO2003092897A1 (pt) |
ZA (1) | ZA200406733B (pt) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2523078C2 (ru) * | 2008-12-19 | 2014-07-20 | Экстрейта Текнолоджи Пти Лтд | Дисковая мельница |
DE102010056287A1 (de) | 2010-12-24 | 2012-06-28 | Netzsch-Feinmahltechnik Gmbh | Rührwerkskugelmühle mit Aktivrührwerk |
CA2912729A1 (en) | 2013-05-21 | 2014-11-27 | Flsmidth A/S | Methods and apparatus for the continuous monitoring of wear in grinding circuits |
DE102014101727B3 (de) * | 2013-11-08 | 2015-03-19 | Netzsch-Feinmahltechnik Gmbh | Verschleißschutzanordnung für eine Rührwerksmühle |
DE102013225662A1 (de) * | 2013-12-11 | 2015-06-11 | Invent Umwelt- Und Verfahrenstechnik Ag | Rührkörper zum Umwälzen von in einem Becken aufgenommenem Abwasser und Vorrichtung |
DE102015012588B4 (de) * | 2015-09-29 | 2017-12-28 | Khd Humboldt Wedag Gmbh | Rotor für eine Zerkleinerungsvorrichtung |
CN108176495B (zh) * | 2017-12-29 | 2020-06-16 | 徐州市万达石英有限公司 | 一种自动分级石英砂研磨机及其工作方法 |
DE102019123138A1 (de) * | 2019-08-29 | 2021-03-04 | Netzsch-Feinmahltechnik Gmbh | Rührwelle für eine Rührwerkskugelmühle |
DE102019129467A1 (de) | 2019-10-31 | 2021-05-06 | Netzsch-Feinmahltechnik Gmbh | Rührwerksmühle |
CN110813144A (zh) * | 2019-11-28 | 2020-02-21 | 衡阳思迈科科技有限公司 | 一种导电银浆生产用粘度调节装置 |
WO2022016211A1 (en) * | 2020-07-20 | 2022-01-27 | Vectis Pty Ltd as trustee for JJB Trust | Grinding mill |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2626757C2 (de) * | 1975-07-09 | 1984-03-15 | Meyer AG Zuchwil, Zuchwil | Rührwerkmühle, insbesondere Kolloidmühle |
US4021024A (en) * | 1976-04-12 | 1977-05-03 | Standard Oil Company (Indiana) | Perforated baffle-impeller and process of concentrating dense masses |
JPS578925Y2 (pt) * | 1978-05-22 | 1982-02-20 | ||
US4513917A (en) * | 1983-06-16 | 1985-04-30 | Morehouse Industries, Inc. | Sand mill rotor discs |
DE60115392T2 (de) * | 2000-01-10 | 2006-08-17 | Premier Mill Corp. | Feinmühle mit verbesserter scheibe |
-
2002
- 2002-04-30 DE DE10219482A patent/DE10219482B4/de not_active Expired - Fee Related
-
2003
- 2003-04-30 AT AT03747391T patent/ATE470502T1/de active
- 2003-04-30 EP EP03747391A patent/EP1511573B1/de not_active Expired - Lifetime
- 2003-04-30 BR BRPI0304566-8A patent/BR0304566B1/pt not_active IP Right Cessation
- 2003-04-30 WO PCT/DE2003/001369 patent/WO2003092897A1/de active IP Right Grant
- 2003-04-30 CA CA002480738A patent/CA2480738C/en not_active Expired - Fee Related
- 2003-04-30 AU AU2003243886A patent/AU2003243886B2/en not_active Ceased
- 2003-04-30 DE DE50312801T patent/DE50312801D1/de not_active Expired - Lifetime
-
2004
- 2004-08-24 ZA ZA2004/06733A patent/ZA200406733B/en unknown
- 2004-10-20 US US10/969,268 patent/US20050051651A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
AU2003243886A1 (en) | 2003-11-17 |
CA2480738A1 (en) | 2003-11-13 |
AU2003243886B2 (en) | 2006-09-07 |
CA2480738C (en) | 2008-04-08 |
DE10219482A1 (de) | 2003-11-20 |
US20050051651A1 (en) | 2005-03-10 |
ATE470502T1 (de) | 2010-06-15 |
BR0304566B1 (pt) | 2011-10-04 |
DE10219482B4 (de) | 2004-05-27 |
ZA200406733B (en) | 2005-07-27 |
DE50312801D1 (de) | 2010-07-22 |
EP1511573A1 (de) | 2005-03-09 |
BR0304566A (pt) | 2004-07-20 |
WO2003092897A1 (de) | 2003-11-13 |
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