WO1998000228A1 - Spaltmühle - Google Patents
Spaltmühle Download PDFInfo
- Publication number
- WO1998000228A1 WO1998000228A1 PCT/CH1997/000234 CH9700234W WO9800228A1 WO 1998000228 A1 WO1998000228 A1 WO 1998000228A1 CH 9700234 W CH9700234 W CH 9700234W WO 9800228 A1 WO9800228 A1 WO 9800228A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- substances
- treated
- constriction
- mill
- pump
- Prior art date
Links
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
- B02C19/00—Other disintegrating devices or methods
- B02C19/18—Use of auxiliary physical effects, e.g. ultrasonics, irradiation, for disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
- B01F25/23—Mixing by intersecting jets
Definitions
- the invention relates to a method and a device for comminuting, dispersing, homogenizing, deagglomeration and / or mixing flowable substances from the chemical industry, paint industry, textile industry, pharmaceutical industry, cosmetic industry and the food industry.
- the previously known devices for performing the above-mentioned methods relate mainly to mills with rotatable parts, for example Ruhrwerkskugeimuhlen rolling mills or other devices in which mainly shear forces act on the particles to be treated
- stretching currents can also be used to treat substances according to the above-mentioned applications (see Reichert dissertation 1973 University of Düsseldorf and Manas, Feke International Polymer Processing IV, page 3 ff). It was shown that in addition to shear flow there are other forms of flow, such as stretching currents, which are much more effective in terms of specific energy and treatment tent
- the object of the invention is then to propose a method and a device which mainly use stretching forces for treatment, in particular which is used for comminuting, dispersing, homogenizing, deagglomeration and / or mixing flowable substances.
- the device should not have any moving parts
- the invention is achieved by a method in which the substances are subjected almost exclusively to stretching forces within a flow. Furthermore, the invention is achieved by a device in which the device referred to as splitting mechanism has at least one inlet for the substances to be treated, at least one Has a constriction and at least one outlet for the treated substances, the substances being demanded by at least one pump
- Such a mill according to the invention has no moving parts apart from the necessary conveying elements, such as a pump).
- the desired state of tension in the flow is achieved in that the product is pressed through the slit mill.
- the required power must be applied in the form of pump power.
- the expansion forces act one- or two-dimensionally on the particles of the substances to be treated
- split mills according to the invention can be combined in the process with known Ruhrwerk ball mills, rolling mills or similar devices in that they are connected before, between and / or after
- FIG. 1 is a schematic diagram of a slit mill according to the invention
- FIG. 4 shows a slit mill operated in a circuit
- FIG. 5 shows a series connection of split mills
- FIG. 6 shows a parallel connection of split mills
- Figure 7 shows a split mill arrangement with two-dimensional effect of the expansion forces
- the split mill 12 shown in FIG. 1 is constructed from two congruent basic bodies 8 and 9 which are directed towards one another.
- the basic bodies 8 and 9, which are constructed in one or more pieces, can have a rectangular, rotationally symmetrical or any other conceivable cross section there are bores for the inlet 5 of the substances 1 to be treated and in the center 13 bores for the outlet 6 of the substances 7 treated.
- the basic bodies 8 and 9 are designed such that together they have a constriction 2 from which the bore for the outlet 6 leads in the direction of the outer region 11 of the basic bodies 8 and 9, the constriction 2 widens to the inlet bores 5.
- the basic bodies 8 and / or 9 can be provided with heating or cooling elements 14 8 and 9 provided
- the arrows 3 show the direction of flow
- FIGS. 2 and 3 show different possible gap mills 12.
- the basic body 9 is designed as a flat plate.
- a body 8, 9 is provided with a narrowing bore 15.
- the inlets and outlets are not shown in Figure 3
- FIG. 4 shows a split mill 12 operated in the circuit 10.
- the substances 1 to be treated are conveyed from a container 16 through the split mill 12 by means of a pump 4, and the treated substances 7 possibly return to the container 16 for a further treatment
- FIG. 5 three slit mills 12 are connected in series, the substances 1 and 7 being pumped through the slit mills 12 from the starting container 16 to the end container 17 by means of the pumps 4.
- the constrictions 2 can have different cross sections, for example, become ever smaller.
- FIG. 6 shows, in accordance with FIG. 5, a parallel connection of three split mills 12.
- FIG. 7 shows a plate with three constrictions 2 according to FIG. 3. This embodiment also causes expansion flows. The direction of flow is shown with the arrows three. It is also conceivable to operate the split mills in half, that is to say in the left outer area the inlet bore and in the right area ( corresponds to the central area in FIG. 1) is the outlet bore.
- FIG. 8 shows two slit mills 12 and 12 'connected in series. whereby the second split mill 12 'is operated in the opposite direction of the direction of the arrows 18. It also notes that, of course, a single split mill can also be operated in the opposite direction of conveyance. It is also conceivable. that the inlet and the outlet are designed as a narrowing bore Reference list
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Dispersion Chemistry (AREA)
- Crushing And Grinding (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50369498A JP3754458B2 (ja) | 1996-06-29 | 1997-06-12 | スロットミル |
DE19780622.8T DE19780622B4 (de) | 1996-06-29 | 1997-06-12 | Spaltmühle |
AU30222/97A AU3022297A (en) | 1996-06-29 | 1997-06-12 | Slotted mill |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19626246.1 | 1996-06-29 | ||
DE19626246A DE19626246A1 (de) | 1996-06-29 | 1996-06-29 | Spaltmühle |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/615,788 Continuation-In-Part US6471149B1 (en) | 1996-06-29 | 2000-07-13 | Gap mill |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998000228A1 true WO1998000228A1 (de) | 1998-01-08 |
Family
ID=7798471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH1997/000234 WO1998000228A1 (de) | 1996-06-29 | 1997-06-12 | Spaltmühle |
Country Status (6)
Country | Link |
---|---|
US (1) | US6471149B1 (de) |
JP (1) | JP3754458B2 (de) |
AU (1) | AU3022297A (de) |
CH (1) | CH693301A5 (de) |
DE (2) | DE19626246A1 (de) |
WO (1) | WO1998000228A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004098758A1 (de) * | 2003-05-05 | 2004-11-18 | Haagen & Rinau Mischtechnik Gmbh | Dispergiervorrichtung |
EP2402075A1 (de) | 2010-06-28 | 2012-01-04 | Bühler AG | Verfahren und Vorrichtung zur Herstellung von Vesikeln |
US10583408B2 (en) | 2014-05-30 | 2020-03-10 | Microfluidics International Corporation | Interaction chambers with reduced cavitation |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19928123A1 (de) | 1999-06-19 | 2000-12-28 | Karlsruhe Forschzent | Statischer Mikrovermischer |
US8133527B2 (en) | 2006-06-16 | 2012-03-13 | Kraft Foods Global Brands Llc | Production of stabilized whole grain wheat flour and products thereof |
JP7245163B2 (ja) | 2017-01-17 | 2023-03-23 | マイクロフルーイディクス インターナショナル コーポレイション | 高圧デュアルチェックバルブを用いた装置及び方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE401477C (de) * | 1922-02-14 | 1924-09-04 | Wilhelm G Schroeder Nachf Otto | Verfahren zum Homogenisieren von Fluessigkeiten |
DE3440091A1 (de) * | 1984-11-02 | 1986-05-22 | Gebrüder Bühler AG, Uzwil | Verfahren zum behandeln von schalenfruechten |
WO1988003052A1 (en) * | 1986-10-21 | 1988-05-05 | Nordson Corporation | Liquid mixing and extruding or spraying method and apparatus |
EP0685533A1 (de) * | 1994-06-03 | 1995-12-06 | Toyo Ink Manufacturing Co., Ltd. | Verfahren zur Einstellung von Pigmentteilchen, Pigment und Färbepräparat |
WO1996014925A1 (en) * | 1994-11-14 | 1996-05-23 | Minnesota Mining And Manufacturing Company | Process for preparing a dispersion of hard particles in solvent |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2778282A (en) * | 1955-03-10 | 1957-01-22 | Sutherland Refiner Corp | Pulp refining apparatus |
US2963232A (en) * | 1956-11-28 | 1960-12-06 | Eric S Smith | Grinder |
DE2633275C3 (de) * | 1976-07-23 | 1981-05-27 | Steinmetz-Patent-Müllerei KG, 2209 Krempe | Verfahren zum Enthülsen und teilweise Trocknen von gewaschenem Getreide und Maschine zur Durchführung des Verfahrens |
JPS5584528A (en) * | 1978-12-21 | 1980-06-25 | Showa Yuka Kk | Mixer |
US4352573A (en) * | 1980-01-29 | 1982-10-05 | Gaulin Corporation | Homogenizing method |
US4261521A (en) | 1980-03-13 | 1981-04-14 | Ashbrook Clifford L | Method and apparatus for reducing molecular agglomerate sizes in fluids |
BG44907A1 (de) * | 1985-07-19 | 1989-03-15 | Ivan V Genev | |
DD240337A1 (de) * | 1985-08-19 | 1986-10-29 | Tech Hochschule C Schorlemmer | Vorrichtung zum herstellen feinteiliger homogener mischungen |
DE3818237A1 (de) * | 1988-05-28 | 1989-11-30 | Bran & Luebbe | Hochdruckhomogenisator |
DE3905354C2 (de) * | 1989-02-22 | 2000-02-10 | Reinhold A Brunke | Vorrichtung zum Zerkleinern von Liposomen |
US4964580A (en) * | 1989-06-16 | 1990-10-23 | Kabushiki Kaisha Iseki Kaihatsu Koki | Crushing machine |
GB2264150B (en) | 1992-02-04 | 1995-05-17 | Glacier Vandervell Ltd | Manufacture of plain bearings |
-
1996
- 1996-06-29 DE DE19626246A patent/DE19626246A1/de not_active Withdrawn
-
1997
- 1997-06-12 CH CH02278/98A patent/CH693301A5/de not_active IP Right Cessation
- 1997-06-12 AU AU30222/97A patent/AU3022297A/en not_active Abandoned
- 1997-06-12 DE DE19780622.8T patent/DE19780622B4/de not_active Expired - Lifetime
- 1997-06-12 JP JP50369498A patent/JP3754458B2/ja not_active Expired - Fee Related
- 1997-06-12 WO PCT/CH1997/000234 patent/WO1998000228A1/de active Application Filing
-
2000
- 2000-07-13 US US09/615,788 patent/US6471149B1/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE401477C (de) * | 1922-02-14 | 1924-09-04 | Wilhelm G Schroeder Nachf Otto | Verfahren zum Homogenisieren von Fluessigkeiten |
DE3440091A1 (de) * | 1984-11-02 | 1986-05-22 | Gebrüder Bühler AG, Uzwil | Verfahren zum behandeln von schalenfruechten |
WO1988003052A1 (en) * | 1986-10-21 | 1988-05-05 | Nordson Corporation | Liquid mixing and extruding or spraying method and apparatus |
EP0685533A1 (de) * | 1994-06-03 | 1995-12-06 | Toyo Ink Manufacturing Co., Ltd. | Verfahren zur Einstellung von Pigmentteilchen, Pigment und Färbepräparat |
WO1996014925A1 (en) * | 1994-11-14 | 1996-05-23 | Minnesota Mining And Manufacturing Company | Process for preparing a dispersion of hard particles in solvent |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004098758A1 (de) * | 2003-05-05 | 2004-11-18 | Haagen & Rinau Mischtechnik Gmbh | Dispergiervorrichtung |
US7563019B2 (en) | 2003-05-05 | 2009-07-21 | Ekato Process Technologies Gmbh | Dispersing device |
EP2402075A1 (de) | 2010-06-28 | 2012-01-04 | Bühler AG | Verfahren und Vorrichtung zur Herstellung von Vesikeln |
WO2012001011A1 (de) | 2010-06-28 | 2012-01-05 | Bühler AG | Verfahren und vorrichtung zur herstellung von vesikeln |
US10583408B2 (en) | 2014-05-30 | 2020-03-10 | Microfluidics International Corporation | Interaction chambers with reduced cavitation |
Also Published As
Publication number | Publication date |
---|---|
JP3754458B2 (ja) | 2006-03-15 |
DE19780622D2 (de) | 1999-04-01 |
DE19780622B4 (de) | 2014-12-24 |
DE19626246A1 (de) | 1998-01-08 |
AU3022297A (en) | 1998-01-21 |
US6471149B1 (en) | 2002-10-29 |
CH693301A5 (de) | 2003-05-30 |
JP2000513268A (ja) | 2000-10-10 |
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