EP0111703A2 - Broyeur pour matière à broyer fluide - Google Patents

Broyeur pour matière à broyer fluide Download PDF

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Publication number
EP0111703A2
EP0111703A2 EP83110939A EP83110939A EP0111703A2 EP 0111703 A2 EP0111703 A2 EP 0111703A2 EP 83110939 A EP83110939 A EP 83110939A EP 83110939 A EP83110939 A EP 83110939A EP 0111703 A2 EP0111703 A2 EP 0111703A2
Authority
EP
European Patent Office
Prior art keywords
grinding
mill
mill according
rotor
pump wheel
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
Application number
EP83110939A
Other languages
German (de)
English (en)
Other versions
EP0111703A3 (en
EP0111703B1 (fr
Inventor
Gerhard Bühler
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.)
FrymaKoruma AG
Original Assignee
Fryma Maschinen 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 Fryma Maschinen AG filed Critical Fryma Maschinen AG
Priority to AT83110939T priority Critical patent/ATE25203T1/de
Publication of EP0111703A2 publication Critical patent/EP0111703A2/fr
Publication of EP0111703A3 publication Critical patent/EP0111703A3/de
Application granted granted Critical
Publication of EP0111703B1 publication Critical patent/EP0111703B1/fr
Expired 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
    • B02C17/166—Mills in which a fixed container houses stirring means tumbling the charge of the annular gap type

Definitions

  • the rotational speed of the grinding media can be positively influenced and their optimal loading drive value to be approximated. It can be set at a very specific value if the operating conditions of the mill remain constant, as is usually the case for continuous operation.
  • the end product is put into operation, it is easy to set the operating speed of the conveying member and thus the necessary rotational speed of the grinding media by means of samples of the end product and, if necessary, to monitor and compensate for any changes in these conditions which may occur by means of further samples or measurements.
  • the conveyor drive is provided completely independently of the rotor drive.
  • This version is simple, but makes control difficult.
  • this grinding element is expediently formed between the pump wheel and the mill housing.
  • the good inlet between the impeller and. Mill housing an annular gap nozzle, which allows the grinding media to flow back prevented when the mill is at a standstill and which is followed by a set of interacting grinding surfaces on the pump wheel and mill housing. At least one of the two grinding surfaces can have teeth in the manner of a toothed colloid mill.
  • the housing wall 7 is enclosed on the outside by a cooling chamber 11, which in turn is delimited by a cooling housing 12 with a base 13 and annular walls 14, 15.
  • a cooling housing 12 with a base 13 and annular walls 14, 15.
  • the entire mill can be carried by this cooling housing 12, which is made in one piece with the mill housing 3. But you can also hang the mill housing 3 on the lid to be fixed to the stand.
  • the rotor 22 has a rotor disk 26 extending from the hub pot 21, which has on its outer edge an annular hollow displacement body 27 with a double-cone cross section which is adapted to the shape of the housing wall 7.
  • This displacement body is immersed in the grinding chamber 9 and forms in this with the housing wall 7 a grinding gap 91 with an approximately constant gap width a.
  • the interior of the displacement body 27 is divided by an approximately cylindrical partition 28 starting from the rotor disk 26. This ends at a distance b from the ring base 29 of this interior, which is thereby divided into an inner and outer annular chamber 31, 32 for internal cooling of the rotor or for Circulation of the cooling medium.
  • the inner chamber 31 is connected to an outer ring channel 34 in the rotor shaft 19 via a primarily radial channel 33 of the rotor disk 26.
  • the outer ring chamber 32 is connected to a central bore 36 of the rotor shaft 19 via a comparable channel 35.
  • the raw material supplied from line 48 thus flows through the annular space 47 and the pre-grinding unit 51 to the annular gap material inlet 49.
  • the clear width of the annular gap is so much smaller than the cross-sectional dimensions of the ground material that this already prevents backflow when the mill is at a standstill becomes.
  • the clear width of the material inlet and the grinding gap of the pre-grinding unit can be changed by axially adjusting the grinding ring 41 by means of intermediate rings. From the inlet of the material, the material to be ground passes downwards on the way of a conical spiral in the inner part of the grinding gap 91, again in a spiral shape upwards on the outside of the displacement body 27 and radially inwards in the grinding gap on the top of the rotor disk 26. During this time, grinding balls 52 distributed approximately uniformly in the regrind are carried along. These grinding balls are repeatedly rotated by intermittent contacts with the rotor and roll alternately on the fixed and circumferential boundary surfaces of the grinding gap 91.
  • the circulating flow of the millbase is essentially determined by the delivery pressure in the feed line 48, and the driving force exerted on the balls is significantly influenced by the viscosity of the conveyed millbase.
  • this also results in a drive for the grinding balls which is largely independent of the grinding material conveyance and which, after pressing, press the front balls radially inward via the gap part 92 of the grinding gap.
  • the retained grinding balls pass in the direction of arrow 63 from the separating space 58 via openings 64 in the rotor disk 26 into an annular space 65 between this rotor disk and the pump wheel 39.
  • annular space 65 From this annular space 65, at least partially radially directed conveying channels 66 lead to the common outer cylinder surface 42 just above the annular inlet 49.
  • the cross section of the channels 66 is adapted to be larger than the diameter of the largest grinding balls used, which are thus thrown outwards by the rotation of the pump wheel 39 at a low radial speed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Disintegrating Or Milling (AREA)
  • Cyclones (AREA)
  • Rotary Pumps (AREA)
  • Crushing And Pulverization Processes (AREA)
EP83110939A 1982-11-16 1983-11-03 Broyeur pour matière à broyer fluide Expired EP0111703B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83110939T ATE25203T1 (de) 1982-11-16 1983-11-03 Muehle fuer fliessfaehiges mahlgut.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823242436 DE3242436A1 (de) 1982-11-16 1982-11-16 Muehle fuer fliessfaehiges mahlgut
DE3242436 1982-11-16

Publications (3)

Publication Number Publication Date
EP0111703A2 true EP0111703A2 (fr) 1984-06-27
EP0111703A3 EP0111703A3 (en) 1985-09-25
EP0111703B1 EP0111703B1 (fr) 1987-01-28

Family

ID=6178300

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83110939A Expired EP0111703B1 (fr) 1982-11-16 1983-11-03 Broyeur pour matière à broyer fluide

Country Status (6)

Country Link
US (1) US4629133A (fr)
EP (1) EP0111703B1 (fr)
JP (1) JPS5998745A (fr)
AT (1) ATE25203T1 (fr)
DE (2) DE3242436A1 (fr)
ES (1) ES8406224A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113399058A (zh) * 2021-05-28 2021-09-17 天津水泥工业设计研究院有限公司 一种高效立式干法搅拌磨机及其应用

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3444575A1 (de) * 1984-12-06 1986-06-12 Fryma-Maschinen Ag, Rheinfelden Kugelmuehle
CH667222A5 (de) * 1985-07-18 1988-09-30 Buehler Ag Geb Verfahren zum regeln einer ruehrwerksmuehle, und regelvorrichtung zur durchfuehrung des verfahrens.
DE3716295A1 (de) * 1987-05-15 1988-11-24 Fryma Maschinenbau Gmbh Spalt-kugelmuehle zum kontinuierlichen feinzerkleinern, insbesondere aufschliessen von mikroorganismen und dispergieren von feststoffen in fluessigkeit
DE3716587C1 (de) * 1987-05-18 1988-04-28 Draiswerke Gmbh Ruehrwerksmuehle
DE3918092C2 (de) * 1988-06-09 1999-08-12 Buehler Ag Geb Rührwerksmühle
JPH04166246A (ja) * 1990-10-31 1992-06-12 Matsushita Electric Ind Co Ltd 媒体撹拌ミル及び粉砕方法
DE4142213C2 (de) * 1991-12-20 2003-01-09 Draiswerke Gmbh Rührwerksmühle
DE4329339A1 (de) * 1993-08-31 1995-03-02 Fryma Masch Ag Rührwerksmühle
DE19528736A1 (de) * 1995-08-04 1997-02-06 Krupp Polysius Ag Verfahren und Anlage zur Erzeugung eines Gemisches aus zerkleinertem Mahlgut und Wasser
US5662279A (en) * 1995-12-05 1997-09-02 Eastman Kodak Company Process for milling and media separation
DE10110652B4 (de) * 2001-03-06 2004-01-29 Hosokawa Alpine Ag & Co.Ohg, Rührwerksmühle mit torusförmigem Mahlspalt
US7699250B1 (en) * 2007-03-02 2010-04-20 Progressive Industries, Inc. Media grinding mill
DE102010061504B4 (de) * 2010-12-22 2014-10-16 Technische Universität Berlin Verfahren zum Bestimmen eines Mahlgutes und Vorrichtung
RU2540537C2 (ru) * 2013-02-26 2015-02-10 Богданов Лев Константинович Способ и устройство для измельчения
CN117463481B (zh) * 2023-12-28 2024-03-12 大兴安岭益康野生食品加工有限公司 一种蔓越莓原浆低温双研磨装置

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB234520A (en) * 1924-05-26 1926-07-01 Hermann Hildebrandt Improvements relating to the comminuting and mixing of substances of all kinds
US1605025A (en) * 1924-05-26 1926-11-02 Hildebrandt Hermann Comminuting and mixing of substances of all kinds
GB422628A (en) * 1933-07-13 1935-01-14 Whiston Alfred Bristow Improvements relating to the reduction of solid substances to a finely divided state
US2059795A (en) * 1935-10-23 1936-11-03 James H Johns Grinding mill
GB489171A (en) * 1937-01-19 1938-07-19 William Langsdorf Improvements in paint and like mixing and grinding machines
DE814374C (de) * 1950-02-08 1951-09-20 Werner Fichter Kegelmuehle fuer Lackfarben
US2595117A (en) * 1950-03-08 1952-04-29 Smidth & Co As F L Method and apparatus for grinding
US2922586A (en) * 1954-02-18 1960-01-26 Hardinge Harlowe Comminuting and classifying system and method
US3226044A (en) * 1961-10-27 1965-12-28 Nisso Seiko Kabushiki Kaisha Grinding mill
DE1223236B (de) * 1962-11-16 1966-08-18 Draiswerke Ges Mit Beschraenkt Ruehrwerkmuehle
GB1069986A (en) * 1963-08-22 1967-05-24 Us Stoneware Inc Method of comminution and apparatus therefor
DE1226406B (de) * 1964-09-11 1966-10-06 Draiswerke Ges Mit Beschraenkt Verfahren und Vorrichtung zum Feinmahlen von Kakaobohnen
DE2242174A1 (de) * 1972-08-26 1974-03-07 Netzsch Maschinenfabrik Verfahren und vorrichtung zum feinmahlen und dispergieren
CH566167A5 (fr) * 1973-09-28 1975-09-15 Bicik Vladislav
SU473522A1 (ru) * 1974-01-08 1975-06-14 Днепропетровский Ордена Трудового Красного Знамени Горный Институт Им. Артема Система регулировани загрузки шаров в мельницу
DE2811899C2 (de) * 1978-03-18 1984-12-06 Fryma-Maschinen Ag, Rheinfelden Spalt-Kugelmühle
AT367657B (de) * 1978-08-24 1982-07-26 Buehler Ag Geb Ruehrwerkskugelmuehle-regelung
DE3038794C2 (de) * 1980-10-14 1994-02-17 Buehler Ag Geb Rührwerksmühle
JPS5838396A (ja) * 1981-08-29 1983-03-05 Ebara Corp グラインダ−ポンプ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113399058A (zh) * 2021-05-28 2021-09-17 天津水泥工业设计研究院有限公司 一种高效立式干法搅拌磨机及其应用
CN113399058B (zh) * 2021-05-28 2022-07-12 天津水泥工业设计研究院有限公司 一种高效立式干法搅拌磨机及其应用

Also Published As

Publication number Publication date
ATE25203T1 (de) 1987-02-15
JPH0227018B2 (fr) 1990-06-14
JPS5998745A (ja) 1984-06-07
DE3369470D1 (en) 1987-03-05
EP0111703A3 (en) 1985-09-25
ES527272A0 (es) 1984-07-16
US4629133A (en) 1986-12-16
EP0111703B1 (fr) 1987-01-28
ES8406224A1 (es) 1984-07-16
DE3242436A1 (de) 1984-05-17

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