EP1197260B1 - Vorrichtung zum Homogenisieren fliessfähiger Stoffe - Google Patents
Vorrichtung zum Homogenisieren fliessfähiger Stoffe Download PDFInfo
- Publication number
- EP1197260B1 EP1197260B1 EP00122091A EP00122091A EP1197260B1 EP 1197260 B1 EP1197260 B1 EP 1197260B1 EP 00122091 A EP00122091 A EP 00122091A EP 00122091 A EP00122091 A EP 00122091A EP 1197260 B1 EP1197260 B1 EP 1197260B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- homogenizer
- inlet area
- substances
- powder
- admixing
- 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
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Classifications
-
- 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
- B01F23/53—Mixing liquids with solids using driven stirrers
-
- 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
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
- B01F25/3121—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
-
- 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
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/315—Injector mixers in conduits or tubes through which the main component flows wherein a difference of pressure at different points of the conduit causes introduction of the additional component into the main component
Definitions
- the invention relates to a device for homogenizing flowable substances, with a homogenizer and with a Infeed area through which the substances into the homogenizer enter.
- Homogenizers are among others in pharmaceutical, cosmetic, chemical and food industries for manufacturing of creams, ointments, pastes, mayonnaises and similar products used. They are usually on the floor or below arranged a mixing container in which the substances are mixed and be homogenized.
- the homogenizer is often called Rotor-stator dispersing machine trained, but can also a so-called circulation agitator to achieve a better one Pump effect.
- Such a homogenizer is, for example, out DE 195 37 303 A1 known.
- the invention has for its object a device of the type mentioned at the beginning to create a simple and safe admixing of substances to the mix or Container content enables, especially a safe Supplying difficult-to-mix ingredients such as powders, Liquids, hot fats, or the like.
- a homogenizer is any facility that is used a kinetic and / or homogenizing effect of kinetic energy achieved.
- the homogenizer can be used as a rotor-stator dispersion machine be trained of the kinetic energy of the rotor primarily through a strong shear and Swirling energy converted into dispersing effect and so achieved intensive homogenization. Based on these These rotor-stator dispersing machines produce a dispersing effect only a relatively low pumping effect, so that high drive energies may be required can.
- a rotor-stator dispersing machine instead as a homogenizer, for example so-called circulation agitator to use, the kinetic energy of the rotor primarily in a pumping action and with it in Kinetic energy of the goods to be homogenized and has only a slight dispersing effect due to swirling.
- Intermediate stages are also possible, for example conceivable on the rotor of a rotor-stator dispersing machine Attach additional wings to improve the pumping effect, as is known per se from DE-A-34 17 242.
- a homogenizer known from EP-B-0 290 033 is conceivable.
- the homogenizer has an inlet area through which the substances enter the homogenizer, d. H. through the they are fed to the pump blades and / or dispersing devices become.
- the inlet area can be part of a mixing container be or boiler, on the bottom of the invention Device is arranged.
- the entry area For example, part of a pipe section or flange be the inlet of the homogenizer with the mixing tank combines. In any case, it is one spatially limited area in the flow direction of the flowable substances or the mix in front of the homogenizer is arranged.
- the clear cross section of the inlet area expands in the direction of flow to the homogenizer out.
- the inlet area has two current limiters for control of the inflow of the mixed material into this inlet area.
- a current limiter in the sense of the invention is any device the given operating conditions (type and set Performance of the homogenizer, texture (especially viscosity) of the mix, pressure inside of the mixing container and the height of the load on the inlet area Mischgutklale; this list of relevant operating conditions is not conclusive) one essentially constant and defined inflow of mix into the inlet area.
- the first current limiter is on the side facing away from the homogenizer Arranged at the end of the entry area.
- the second Current limiter is at the end of the inlet area on the homogenizer side arranged between the device for admixing of substances and the homogenizer.
- the two current limiters are as a device for actively promoting the flowable Materials formed (for example, a vane pump) or have one such facility.
- a device for admixing substances to the mix flowing through the inlet area intended is preferably a supply line, which ends in the inlet area and through the other Substances (in particular powders, granules or the like) can be mixed into the mix.
- This meddling can be done continuously or in batches. The meddling immediately before the homogenizer ensures that immediately afterwards intensive mixing and homogenization done in the homogenizer. This will make lumps or Avoid nests of substances in the mix.
- the essence of the invention lies in front of the entrance of the homogenizer to provide an entry area and in this entry area the mix under largely defined and little to let fluctuating conditions flow.
- the one in the area current limiters arranged at the entrance of the inlet area ensures that the flow conditions in the inlet area only slightly from the operating conditions in the boiler be influenced so that this inlet area from the action to a certain extent "decoupled" in the mixing kettle is. It is particularly preferred if in this inlet area due to the suction effect of the homogenizer and a pressure is set by the influence of the current limiter, which is below the average internal pressure of the connected Mixing container lies and under the pressure in the supply line for the powder, granules or the like.
- This conveyor can have its own drive, in terms of their output to the operating conditions and adjust the desired pressure conditions in the inlet area.
- it can, for example, with the axis of the homogenizer be connected so that their speed is proportional is the homogenizer speed.
- an extension of the homogenizer axis axially through the inlet area extend through.
- Such an active conveyor is a current limiter in the sense of the invention, since the active conveying of mixed material into the inlet area in a certain amount at the same time a limitation in the Meaning that an additional inflow of Mixed material does not take place.
- the goal of the Invention achieved largely defined in the inlet area Operating conditions by ensuring a largely to cause constant inflow.
- the pressure set in the inlet area often becomes lower than atmospheric pressure, especially if Powder fed without pressure via a funnel or the like should be.
- the suction power of the homogenizer and / or one second current limiter described below is higher than the inflow into the inlet area set by the current limiter.
- the suction power is the conveying power of the homogenizer, this one at a pressure at the homogenizer inlet who would have set up without the current limiter would. According to the invention, this can be done in the inlet area selectively set a certain vacuum.
- Homogenizers often have only a small pump or Conveying capacity and therefore only a low suction capacity.
- a second current limiter between the admixing device for powder, granules or the like and the homogenizer is arranged, the preferably as a means of actively promoting the has flowable substances.
- the defined operating state the inlet device is in this case between the two Current limiters set their operating conditions can be coordinated accordingly.
- the suction power of the second current limiter higher than the inflow permitted by the first current limiter be so that there is a corresponding negative pressure.
- the second Current limiter can, for example, have pump blades that rotate on the homogenizer axis are arranged, in particular on the hub of the homogenizer can be arranged.
- powders are particularly preferably mixed in Powder valve is used to open and close the powder supply.
- suitable Powder valves are familiar to the person skilled in the art, they can be used, for example, as ball valves, Piston valves or the like may be formed. It is preferred that the powder valve in the closed state, the device for admixing of powders in the area where their mouth shoots into the inlet area. This means that when the powder valve is closed there is no or at most a small area of the powder feed line from the inlet area is accessible here, so that a kickback of liquid in the supply line does not take place or only to a very small extent can. This avoids that in an end region of the supply line forms a graft of powder and mixed material in front of the inlet area.
- the device according to the invention has an overall number 1 Homogenizer and an inlet area 2.
- the homogenizer 1 opposite end of the inlet area 2 has a flange 3 for connection preferably on the bottom of a mixing container.
- the homogenizer 1 has a shaft 3 provided with a hub 4, the rotary motion of a drive, not shown in the drawing can be moved.
- a rotor 5 is connected in a rotationally fixed manner to the shaft 3, whose rotor toothing 6 engages in a stator toothing 7.
- the total is approximately frustoconical Inlet area 2 arranged above the inlet of the homogenizer.
- the clear cross section of this Inlet area 2 widens from the connecting flange 3 to the mixing tank towards the inlet of the homogenizer 1.
- a conveying element designed as a pump propeller 8 arranged for the mix, the pump blades are on the rotor hub 4 arranged.
- This conveying element 8 is the second current limiter in the The meaning of the invention, since it depends on the inflow into the homogenizer the speed and viscosity of the mix to a certain level sets and thus also limited.
- An extension of the shaft 3 of the homogenizer 1 indicated at 9 carries a further conveyor element 10, the current limiter according to the invention to control the inflow of flowable substances or the mix forms in the inlet area 2.
- the inlet area 2 laterally has an attached feed line 11 for other substances such as in particular powders, granules or the like on.
- a powder valve 12 can this feed line 11 directly on the Close the mouth in the inlet area 2.
- In the open state of the Powder valve 12 can be the substance to be supplied with the Connection piece 13 connected storage container, not shown, in the Flow inlet area 2.
- the device according to the invention is for mounting with the flange 3 on the Bottom of a mixing container provided. After the at least partial filling the mixing tank, the homogenizer 1 is switched on. The too Homogenizing substances are from the current limiter 10 in the inlet area 2 funded. The second current limiter 8 leads them to the homogenizer 1 to where these substances or the mix through the interaction of Rotor teeth 6 and stator teeth 7 dispersed in a known manner become. The homogenized mix leaves the homogenizer 1 through the homogenizer drain and the drain port 14, it is known in Way returned to the mixing container.
- the suction power of the current limiter 8 is higher than that of the second Current limiter 10. Therefore, a pressure is established in the inlet area 2, by the ratio of the suction power of these two current limiters 8, 10 and the properties of the mix (in particular its viscosity) is determined and is below the internal pressure of the mixing container. Prefers it is below atmospheric pressure.
- the powder valve 12 After commissioning of the homogenizer 1 and reaching the pressure mentioned in the inlet area 2, the powder valve 12 can be opened and substances to be mixed are via the connection 13 and the feed line 11 in the inlet area 2 led.
- the pressure in the inlet area 2 is below the Pressure in the supply line 11. If it is below atmospheric pressure lies, can at the connecting piece 13, for example.
- the powder valve 12 Unless powder is added continuously, but only in batches , the powder valve 12 must be in during the homogenizer operation be opened and closed at certain intervals.
- This powder and air flow prevents mixing material from striking back into the feed line 11 also during the closing process, so that there is in the closed state of the valve 12 can not form dead zones in which mix glued or clumped with powder.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Description
Claims (6)
- Vorrichtung zum Homogenisieren fließfähiger Stoffe, mit einem Homogenisator (1) und mit einem Einlaufbereich (2), durch den die Stoffe in den Homogenisator (1) eintreten, gekennzeichnet durch folgende Merkmale:a) der Einlaufbereich weist einen Strombegrenzer (10) zum Steuern des Einstroms fließfähiger Stoffe in diesen Einlaufbereich (2) auf;b) der lichte Querschnitt des Einlaufbereichs (2) erweitert sich vom Strombegrenzer (10) zum Homogenisator (1) hin;c) zwischen Strombegrenzer (10) und Homogenisator (1) ist eine Einrichtung (11, 12, 13) zum Zumischen von Substanzen zu den den Einlaufbereich (2) durchströmenden fließfähigen Stoffen angeordnet;d) zwischen der Einrichtung (11, 12, 13) zum Zumischen von Substanzen und dem Homogenisator (1) ist am homogenisatorseitigen Ende des Einlaufbereichs (2) ein zweiter Strombegrenzer (8) angeordnet;e) die Strombegrenzer- (8, 10) sind zum aktiven Fördern der fließfähigen Stoffe ausgebildet.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Saugleistung des Homogenisators (1) höher ist als der vom Strombegrenzer (10) eingestellte Einstrom in den Einlaufbereich (2).
- Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der zweite Strombegrenzer eine drehfest auf der Homogenisatorachse (3) angeordnete Pumpeinrichtung (8) aufweist.
- Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Einrichtung (11, 12, 13) zum Zumischen von Substanzen als Einrichtung zum Zumischen von Pulvern ausgebildet ist.
- Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die Einrichtung zum Zumischen von Pulvern ein Pulverventil (12) aufweist.
- Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß das Pulverventil (12) im geschlossenen Zustand die Einrichtung zum Zumischen von Pulvern im Bereich der Mündung in den Einlaufbereich (2) abschließt.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE50007630T DE50007630D1 (de) | 2000-10-11 | 2000-10-11 | Vorrichtung zum Homogenisieren fliessfähiger Stoffe |
EP00122091A EP1197260B1 (de) | 2000-10-11 | 2000-10-11 | Vorrichtung zum Homogenisieren fliessfähiger Stoffe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00122091A EP1197260B1 (de) | 2000-10-11 | 2000-10-11 | Vorrichtung zum Homogenisieren fliessfähiger Stoffe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1197260A1 EP1197260A1 (de) | 2002-04-17 |
EP1197260B1 true EP1197260B1 (de) | 2004-09-01 |
Family
ID=8170060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00122091A Expired - Lifetime EP1197260B1 (de) | 2000-10-11 | 2000-10-11 | Vorrichtung zum Homogenisieren fliessfähiger Stoffe |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1197260B1 (de) |
DE (1) | DE50007630D1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107438477A (zh) * | 2015-02-04 | 2017-12-05 | 艾卡工厂有限及两合公司 | 具有集成输送泵的混合装置 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10320739B3 (de) | 2003-05-09 | 2004-10-21 | Ika - Werke Gmbh & Co. Kg | Vorrichtung zum Dispergieren und/oder Homogenisieren |
DE102005007175A1 (de) * | 2005-02-16 | 2006-08-17 | Knape, Sandra | Vorrichtung und Verfahren zum Homogenisieren |
DE202005010236U1 (de) | 2005-03-14 | 2006-07-27 | Wolf, Hartmut | Mischvorrichtung |
DE202005018432U1 (de) * | 2005-11-23 | 2006-08-24 | Frymakoruma Ag | Homogenisator-Vorrichtung mit gegenläufig rotierbaren Zahnkränzen |
DE102019102183A1 (de) * | 2019-01-11 | 2020-07-16 | Ika-Werke Gmbh & Co. Kg | Feststoffzuführvorrichtung und Mischanordnung |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1244725B (de) * | 1963-03-01 | 1967-07-20 | Vyzk Ustav Vodohospodarsky | Verfahren und Vorrichtung zum Mischen von Gasen, Fluessigkeiten oder Staub mit einer Grundfluessigkeit |
CH649476A5 (it) * | 1981-10-23 | 1985-05-31 | Water Line Sa | Apparecchiatura per miscelare e omogeneizzare in continuo sostanze in polvere con sostanze liquide. |
DE3417242A1 (de) * | 1984-05-10 | 1985-11-14 | Haagen & Rinau | Homogenisiereinrichtung |
DE3715331A1 (de) * | 1987-05-08 | 1988-12-01 | Berents Gmbh & Co Kg A | Homogenisator fuer die herstellung fliessfaehiger produkte |
DE19537303B4 (de) * | 1995-08-29 | 2005-04-21 | Vakumix Rühr- und Homogenisiertechnik AG | Vorrichtung zum Homogenisieren fließfähiger Stoffe |
DE19717161A1 (de) * | 1997-04-23 | 1998-10-29 | Karg Ytron Gmbh | Vorrichtung zum Aufschließen eines pulvrigen Stoffes |
DE19752005A1 (de) * | 1997-11-24 | 1999-05-27 | Gelhard Volker Dipl Ing Dipl W | Vorrichtung und Verfahren zur Vermischung eines ersten Fluids mit einem zweiten Fluid |
-
2000
- 2000-10-11 EP EP00122091A patent/EP1197260B1/de not_active Expired - Lifetime
- 2000-10-11 DE DE50007630T patent/DE50007630D1/de not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107438477A (zh) * | 2015-02-04 | 2017-12-05 | 艾卡工厂有限及两合公司 | 具有集成输送泵的混合装置 |
CN107438477B (zh) * | 2015-02-04 | 2021-07-09 | 艾卡工厂有限及两合公司 | 具有集成输送泵的混合装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1197260A1 (de) | 2002-04-17 |
DE50007630D1 (de) | 2004-10-07 |
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