EP2599552A1 - Kugellose Rührwerksmühle - Google Patents

Kugellose Rührwerksmühle Download PDF

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Publication number
EP2599552A1
EP2599552A1 EP12194635.4A EP12194635A EP2599552A1 EP 2599552 A1 EP2599552 A1 EP 2599552A1 EP 12194635 A EP12194635 A EP 12194635A EP 2599552 A1 EP2599552 A1 EP 2599552A1
Authority
EP
European Patent Office
Prior art keywords
teeth
stator
crown
tank
rotor
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.)
Withdrawn
Application number
EP12194635.4A
Other languages
English (en)
French (fr)
Inventor
Davide Giacometti
Ylenia Giacometti
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2599552A1 publication Critical patent/EP2599552A1/de
Withdrawn legal-status Critical Current

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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
    • 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
    • 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
    • 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
    • B02C17/18—Details
    • B02C17/1815—Cooling or heating devices

Definitions

  • the present invention relates to the grinding of raw materials of mineral, animal or vegetable origin, and more particularly it relates to a mill for grinding and dispersing of such raw materials in a liquid or pasty vehicle, such as for example the grinding of the components of water paints, varnishes, or edible mixtures such hazelnut paste, or the like, or cosmetic or pharmaceutical compositions.
  • the mill according to the invention comprises a cylindrical tank 1 comprising an outer shell 101 and an inner skirt 201 delimiting between them a hollow space 2.
  • This hollow space 2 communicates with the outside through the tubular fittings 3, 103 for purposes which will be described below.
  • Numeral 4 denotes the stator of the mill.
  • Said stator comprises a cylindrical body open at both ends and formed by an outer shell 104 and an inner skirt 204 delimiting between them an annular hollow space 5.
  • Said hollow space 5 communicates with the outside through the tubular fittings 6, 106 for the purposes which will be described below.
  • a plurality of equispaced, radially inwardly extending annular laminae 7 are secured, for example by welding, to the external surface of the inner shell 204, each ending with a peripheral crown of teeth 107, 207 alternately symmetrically bent in one and in the other direction with respect to the plane of the annular laminae 7 such as to include between two adjacent teeth an angle comprises between 10 ° and 20 °.
  • Numeral 8 denotes the rotor of the mill.
  • Said rotor the axis of which coincides with the axis of the stator 4, comprises a shaft 9 connected to the drive motor (not shown) of the rotor 8.
  • This shaft 9 ends with an annular flange 209, from the center of which extends the shaft 309.
  • On this shaft 309 are keyed alternately the spacers 10 and the discs 11 each carrying peripherally a crown of teeth 111, 211 similar to the teeth 107, 207 of the annular laminae of the stator 4.
  • Said crowns of teeth 111, 211 extend at a short distance between the crowns of teeth 107, 207 of the annular laminae 7.
  • the stack of spacers 10 and toothed disks 11 is fastened by means of the end fastening member 12, to which a toothed disc 112 is advantageously associated.
  • the raw material to be ground as for example a mineral paste and a fluid diluent such as water or a suitable solvent, or the like, are entered into the tank 1.
  • the inner diameter of the stator 4 was proportioned to the outer diameter of the rotor 8, so as to reduce as much as possible the interstitial space, so as to maximize the number of collisions between the raw material in the course of being grinded and the teeth of the toothed crowns the annular laminae 7 and of the discs 11.
  • the cylindrical stator 4 is open at both ends, around the stator 4 a circular flow of the product stream is established, which flow is further favored by the presence of the toothed disc 12, and possibly by suitable forced circulation means.
  • stator 4 is open at both ends and, unlike the known prior art devices, it works by immersion, a continuous flow of material under treatment is established there through, which is favored by a natural circulation which optionally can be increased by means of forced circulation such as for example those constituted by the disc 112. This circulation of the material in the course of treatment through the stator 4 accelerates the grinding process and makes the final product absolutely homogeneous.
EP12194635.4A 2011-12-02 2012-11-28 Kugellose Rührwerksmühle Withdrawn EP2599552A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000139A ITGE20110139A1 (it) 2011-12-02 2011-12-02 " mulino senza sfere per la macinazione e la dispersione in un veicolo liquido o pastoso di materie prime di origine minerale, animale o vegetale ".

Publications (1)

Publication Number Publication Date
EP2599552A1 true EP2599552A1 (de) 2013-06-05

Family

ID=45420751

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12194635.4A Withdrawn EP2599552A1 (de) 2011-12-02 2012-11-28 Kugellose Rührwerksmühle

Country Status (2)

Country Link
EP (1) EP2599552A1 (de)
IT (1) ITGE20110139A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110152768A (zh) * 2019-05-05 2019-08-23 郑金华 一种高硬度原矿剥离式自动破碎装置及使用方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4562972A (en) * 1983-04-13 1986-01-07 Kawasaki Jukogyo Kabushiki Kaisha Micropulverizer
DE3526724A1 (de) * 1985-07-26 1987-01-29 Kaspar Engels Perlsandmuehle
DE4401384A1 (de) * 1993-02-25 1994-09-01 Buehler Ag Rührwerksmühle
WO2000044500A1 (en) * 1999-01-27 2000-08-03 Withdeal Limited Milling machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4562972A (en) * 1983-04-13 1986-01-07 Kawasaki Jukogyo Kabushiki Kaisha Micropulverizer
DE3526724A1 (de) * 1985-07-26 1987-01-29 Kaspar Engels Perlsandmuehle
DE4401384A1 (de) * 1993-02-25 1994-09-01 Buehler Ag Rührwerksmühle
WO2000044500A1 (en) * 1999-01-27 2000-08-03 Withdeal Limited Milling machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110152768A (zh) * 2019-05-05 2019-08-23 郑金华 一种高硬度原矿剥离式自动破碎装置及使用方法
CN110152768B (zh) * 2019-05-05 2020-11-06 郑金华 一种高硬度原矿剥离式自动破碎装置及使用方法

Also Published As

Publication number Publication date
ITGE20110139A1 (it) 2013-06-03

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