EP0996585A1 - Vorrichtung zum mischen von wenigstens zwei strömungsmedien - Google Patents
Vorrichtung zum mischen von wenigstens zwei strömungsmedienInfo
- Publication number
- EP0996585A1 EP0996585A1 EP99920866A EP99920866A EP0996585A1 EP 0996585 A1 EP0996585 A1 EP 0996585A1 EP 99920866 A EP99920866 A EP 99920866A EP 99920866 A EP99920866 A EP 99920866A EP 0996585 A1 EP0996585 A1 EP 0996585A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- channel
- section
- passage
- cross
- housing
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/0042—Details of specific parts of the dispensers
- B67D1/0043—Mixing devices for liquids
- B67D1/0044—Mixing devices for liquids for mixing inside the dispensing nozzle
- B67D1/0045—Venturi arrangements; Aspirators; Eductors
-
- 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
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
- B01F23/451—Mixing liquids with liquids; Emulsifying using flow mixing by injecting one liquid into another
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/0015—Apparatus or devices for dispensing beverages on draught the beverage being prepared by mixing at least two liquid components
- B67D1/0021—Apparatus or devices for dispensing beverages on draught the beverage being prepared by mixing at least two liquid components the components being mixed at the time of dispensing, i.e. post-mix dispensers
Definitions
- the invention relates to a device for mixing two flow media, in particular for mixing water and beverage concentrate or the like, with a first through-channel which passes through a housing from an inlet to an outlet and at least one second through-channel opening into the first through-channel, in the first Through channel a first medium, in particular fluid, and in the second through channel a second medium, in particular fluid, flows.
- Mixing devices of the aforementioned type are used in particular for mixing beverages, in that the base liquid water shortly before serving the beverage, a concentrate, for. B. a fruit juice concentrate is added in a certain mixing ratio.
- the water can be treated beforehand, e.g. B. enriched with minerals or carbonic acid and cooled, or taken directly from the water pipe, it being fed to the mixing device with a normal water pressure of about 1.5 to 2 bar.
- the known mixing devices have the problem that the minimum cross-sectional size of the channel for the concentrate is limited when concentrated fruit juice is to be mixed with pulp. Since the pieces of pulp must fit through the cross-section so as not to block it, the cross-section must have a certain minimum size. However, this leads to the fact that such a fruit juice cannot be provided in a low concentration in the conventional mixing devices.
- the concentrates can have a different viscosity or viscosity, which is also influenced in particular by the different ambient temperature, so that different mixing ratios are obtained under different conditions.
- the known mixing devices there is no possibility for simple and inexpensive regulation of the mixing ratio.
- the invention is therefore based on the object of improving a device of the type mentioned at the outset, such that the mixing ratio between two flow media, in particular between water and a beverage concentrate, can be set in a simple manner, this being independent of the concentrate composition, that is to say with a few or many solid parts, with high or low viscosity and the like. Furthermore, the Mischvorrichtimg be inexpensive to manufacture and ensure safe operation even in intermittent operation.
- This object is achieved in an advantageous manner in that at least one bypass channel to the first passage channel and a device for adjusting the flow rate of the first and / or the second fluid are provided.
- the second through-channel which opens into the first through-channel can have a relatively large cross-section, so that the solid parts of the beverage concentrate can flow through the cross-section unhindered, since the mixing ratio depends only to a limited extent on the cross-section of the second through-channel.
- the mixing device does not have to be replaced to set the mixing ratio, so that when the mixing ratio is changed, no hygienic problems arise due to the use of a new device. If another concentrate is to be used with the same device, the device can also be easily cleaned due to its simple construction, which will be discussed later.
- the device for adjusting the flow rate can be used to set either the flow rate of the first fluid and / or the second fluid. Since the first fluid in beverage mixes is mostly formed from water and the main part of the mix consists of water, the mixing ratio can be varied within a very wide range.
- the flow rate of the first fluid can preferably be adjusted via the bypass channel or the bypass channels, so that one could do without an adjusting device in the mouth area of the second through-channel into the first through-channel.
- the junction could therefore be of simple construction, while the mixing ratio is regulated practically indirectly via the bypass channels. If the second pass nal opens essentially vertically into the first passage, defined and predictable flow conditions are provided in the mouth area, which are similar to those in Venturi nozzles.
- an adjusting device can also be provided in the second through-channel, which in particular enables the addition of the concentrate to be finely adjusted if concentrates with little or no solids content, such as e.g. B. tea, lemon concentrate and the like., Are used.
- the first through-channel has an entry area, a middle section and an exit area, the middle section having a smaller passage cross-section than the entry area and the exit area.
- the middle section is very short in relation to the entry area and the exit area, for example, it has an extension of only 1.5 to 2 mm, while the entry area can be approximately 25 mm and the exit area can be approximately 40 to 50 mm .
- a relaxation chamber is formed in the inlet area, in which the pressure is essentially the same. This allows fluctuations in the pressure or in the flow rate of the first fluid to be compensated for.
- the first through-channel advantageously has an increasingly widening cross section, as a result of which the initial acceleration of the flow is delayed and thus vortex formation is reduced.
- the second passage channel through which the beverage concentrate is fed, advantageously opens into the first passage channel downstream of the small passage cross section and essentially perpendicularly.
- the mouth is relatively close to the middle narrowed section of the first through-channel, so that fruit juice concentrate is accelerated by the water flow. entrained, and therefore no supply of the concentrate under pressure is required.
- the bypass channel or channels run from the inlet area of the first through-channel to the outlet area and have an essentially constant cross-section. They extend parallel to the central section of the first through-channel, with their upstream end opening into the expansion chamber and with their downstream end at a distance from the junction of the second through-channel into the outlet region of the first through-channel.
- the opening of each bypass channel is arranged at an acute angle to the axis of the first through-channel and is formed by a tap hole which has a cross section narrowing like a nozzle.
- the opening of the second through-channel into the first through-channel can also be formed.
- metering devices can be provided which can be inserted into the orifices. These metering devices can advantageously be formed by pins, which are designed with a tip that fits snugly into the opening and are adjustably guided in transverse bores by means of a fine thread.
- the housing of the mixing device is preferably made of plastic and is designed as a one-piece injection molded body.
- the housing can have a fastening device and, in the area of the free channel ends, connecting pieces for connecting connecting hoses, concentrate containers, liquid inlets and / or the like. B. can be sealed by an O-ring seal.
- closure devices are provided in the hose connections which close the inlet to the connection end of the hose before a corresponding flow connection to the device according to the invention is established. Additional closure devices may be formed on the device inlet side itself to prevent backflow from one channel to another channel.
- Fig. 1 is a side view of the device according to the invention.
- Fig. 2 is a horizontal sectional view taken along the line A-A in Fig. 1;
- Fig. 3 is a sectional view in the direction of line B-B in Fig. 1;
- Fig. 4 is a view in the direction of arrow C in Fig. 1;
- Fig. 5 is a simplified perspective view of the device according to the invention.
- the device 1 according to the invention for mixing at least two flow media has a housing 2 which, in the exemplary embodiment shown, is produced as a one-piece injection-molded housing made of plastic.
- the housing has a first through-channel 3 with an inlet 4 and an outlet 5 and a second through-channel 6 with an inlet 7 and an outlet 8.
- the through-channel 3 has an entry area 9 with an enlarged cross section, a middle section 10 with a considerably reduced cross section and an exit area 11.
- the middle section 10 is proportional to the entry area 9 and the exit area 11 short and ensures that the water supplied under pressure in the direction of arrow 13 is considerably accelerated in the central section 10 in order to carry away concentrate supplied from the outlet 8 of the second through-channel 6 in the direction of the arrow 12. In the area of the outlet 8 there is considerable turbulence and consequently a good mixing of water and concentrate.
- a relaxation chamber 14 is provided in the inlet area 9, in which there is a substantially equal pressure, so that pressure fluctuations in the pressure or in the flow rate of the water 13 can be compensated.
- the through channel 3 has a conical widening at its free end in the region of the outlet, which contributes to a slowdown in the flow of the mixture.
- a bypass channel 15 runs parallel to the through channel 3 and has a constant but smaller cross section than the through channel 3.
- the upstream end of the bypass channel opens into the inlet tread area 9 and with its downstream end in a tap hole 16, which in turn opens at an acute angle into the exit area 11 of the through channel 3.
- bypass channel 15 Although only one bypass channel 15 is shown in the drawing, it is conceivable that several bypass channels are provided. From Fig. 2 it can also be seen that the openings of the bypass channels and the second through channel 6 in the first through channel 3 are nozzle-shaped or truncated cone-shaped, so that they can form seats for pins 17, 18, which by means of fine threads can be screwed into housing bores 19, 20 to such an extent that the orifices can be closed. In this way, the pins 17 and 18 form metering devices, by means of which the amount of water can be adjusted via the bypass 15 or concentrate via the channel 6. In this way, a very fine dosage of the mixing ratio can be achieved.
- the second through-channel 6 is connected in the region of its inlet 7 with a concentrate bag, preferably in the manner of a plug-in cartridge or by means of a snap connection, so that the connection no longer has to be sealed separately.
- the inlet 4 is connected in the same way to a water supply line, and a pipe or hose is slipped over the connecting piece 21 in order to convey the mixed liquid to the desired location.
- the tube or hose is sealed in a simple manner by means of a snug fit, which can additionally be secured with hose binders or the like, which press the hose into the grooves 22.
- Solenoid valves for opening and closing the feed can be provided in a simple manner. As soon as water 13 flows through the inlet 4 into the inlet area 9, it must pass through the narrowed bore of the central section 10 and is thereby considerably accelerated. Depending on the setting of the pin 17, the water enters the first through channel 3 through the central section 10 and the bypass channel 15. After a short distance, the water flowing through the middle section 10 meets the outlet 8 of the second passage 6 through which the concentrate is fed.
- the concentrate Due to the small cross-section of the middle section 10 and the high flow velocity of the water, the concentrate is entrained from the second through-channel 6 and guided to the outlet 5.
- the water from the bypass duct 15 or the bypass ducts likewise reaches the outlet region 11 of the first through duct 3, where it mixes with the mixture of water and juice concentrate.
- the mixture thus obtained is removed by the user. It is also possible, after the removal process has ended, to rinse the central section 10 for a certain time in order to remove concentrate residues from the mixing device.
- the mixing device can then be used for another concentrate, whereby a finely metered mixture can be achieved in the same way.
- the pins 17, 18 contained in the transverse bores 19 and 20 are rotated so that they are inserted or withdrawn into the bypass channel or through channel 6 for the concentrate.
- the mixing ratio can be adjusted over a wide range using simple mechanical means.
- mixing ratios of 1: 1 to 1: 100 can be produced, e.g. B. for iced tea of 1:20, for orange juice of 1: 5, a water pressure of 1.5 to 2 bar being used.
- the diameters can be increased accordingly.
- the mixture is stable regardless of different water pressures because the suction is proportional to the water pressure.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Developing Agents For Electrophotography (AREA)
- Devices For Dispensing Beverages (AREA)
- Materials For Medical Uses (AREA)
- Apparatus For Making Beverages (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19821511A DE19821511A1 (de) | 1998-05-13 | 1998-05-13 | Mischvorrichtung |
DE19821511 | 1998-05-13 | ||
PCT/EP1999/003228 WO1999058442A1 (de) | 1998-05-13 | 1999-05-11 | Vorrichtung zum mischen von wenigstens zwei strömungsmedien |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0996585A1 true EP0996585A1 (de) | 2000-05-03 |
EP0996585B1 EP0996585B1 (de) | 2005-12-07 |
Family
ID=7867682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99920866A Expired - Lifetime EP0996585B1 (de) | 1998-05-13 | 1999-05-11 | Vorrichtung zum mischen von wenigstens zwei strömungsmedien |
Country Status (8)
Country | Link |
---|---|
US (1) | US6572258B1 (de) |
EP (1) | EP0996585B1 (de) |
AT (1) | ATE312051T1 (de) |
AU (1) | AU3828399A (de) |
DE (3) | DE19821511A1 (de) |
DK (1) | DK0996585T3 (de) |
ES (1) | ES2255264T3 (de) |
WO (1) | WO1999058442A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE518088C2 (sv) * | 2000-10-30 | 2002-08-27 | Tetra Laval Holdings & Finance | Metod och anordning för att blanda två faser av en livsmedelsprodukt |
US7048147B2 (en) | 2003-02-21 | 2006-05-23 | The Coca-Cola Company | Liquid dispensing device |
DE602004014831D1 (de) * | 2003-02-21 | 2008-08-21 | Coca Cola Co | Vorrichtung zum Spenden von Flüssigkeit |
MX2007003690A (es) | 2004-10-01 | 2007-07-17 | Propure As | Mezclador de inyeccion de fluido multiple. |
ES2349903T3 (es) * | 2006-04-27 | 2011-01-12 | Ecolab Inc. | Alojamiento de productos para distribuidor de productos sólidos. |
JP4798174B2 (ja) * | 2008-05-21 | 2011-10-19 | 株式会社日立プラントテクノロジー | 乳化装置 |
KR101577760B1 (ko) | 2013-08-23 | 2015-12-15 | 금호석유화학 주식회사 | 고속 분사를 이용한 이종 유체의 혼합반응기 |
US11833481B2 (en) | 2018-10-05 | 2023-12-05 | Produced Water Absorbents Inc. | Multi-channel, variable-flow mixers and related methods |
EP3890872A2 (de) | 2018-12-07 | 2021-10-13 | Produced Water Absorbents Inc. | Multiflüssigkeitseinspritzmischer und zugehöriges verfahren |
EP3969160A4 (de) | 2019-05-15 | 2023-01-25 | Flow Control LLC. | Kompaktes gesteuertes ventil mit integrierten öffnungen zum präzisen mischen |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1421842A (en) * | 1914-09-14 | 1922-07-04 | Westinghouse Electric & Mfg Co | Fluid-translating device |
US1415506A (en) * | 1918-09-21 | 1922-05-09 | Blakeslee & Co G S | Washing machine |
US1583090A (en) * | 1924-02-18 | 1926-05-04 | Superheater Co Ltd | Injector |
US1583363A (en) * | 1924-02-18 | 1926-05-04 | Superheater Co Ltd | Injector |
US2707021A (en) * | 1951-03-29 | 1955-04-26 | Lucas Industries Ltd | Liquid fuel supply systems |
US2888191A (en) * | 1954-05-03 | 1959-05-26 | Rheem Mfg Co | Jet pump |
US2992084A (en) * | 1956-08-24 | 1961-07-11 | Four Industriel Belge | Apparatus for regulating the composition of a mixture of air and fuel-gas |
US3357598A (en) | 1965-09-21 | 1967-12-12 | Dole Valve Co | Adjustable liquid dispenser |
US3689237A (en) * | 1970-02-19 | 1972-09-05 | North American Utility Constru | Fuel gas pipeline system |
US3727640A (en) * | 1970-09-28 | 1973-04-17 | R Sargeant | Apparatus for preparing and dispensing drinks |
GB1420215A (en) * | 1972-03-09 | 1976-01-07 | British Gas Corp | Jet boosters |
IL59439A (en) * | 1980-02-21 | 1983-05-15 | Bron Dan | Two stage jet pump |
DE3234957A1 (de) * | 1982-09-21 | 1984-03-22 | DAGMA Deutsche Automaten- und Getränkemaschinen GmbH & Co KG, 2067 Reinfeld | Verfahren und vorrichtung zum herstellen und portionsweisen ausgeben von stillen mischgetraenken aus fruchtsirup oder konzentraten und wasser |
US4673006A (en) * | 1985-08-12 | 1987-06-16 | Herschel Corporation (Delaware Corp.) | Apparatus and method for removing liquid from and cleaning a container |
DE3607606A1 (de) * | 1986-03-07 | 1987-09-24 | Dagma Gmbh & Co | Wasserstrahl-injektionsvorrichtung an dispensern zum herstellen und abgeben von mischgetraenken aus fruchtsirup oder konzentrat und wasser |
DE3607622A1 (de) * | 1986-03-07 | 1987-09-10 | Dagma Gmbh & Co | Wasserstrahl-injektionsvorrichtung an dispensern zum herstellen und abgeben von mischgetraenken aus fruchtsirup oder konzentraten und wasser |
FR2688709B1 (fr) * | 1992-03-23 | 1994-09-02 | Schlumberger Cie Dowell | Melangeur d'additifs liquides en continu dans un fluide. |
SE500071C2 (sv) * | 1992-06-25 | 1994-04-11 | Vattenfall Utveckling Ab | Anordning för blandning av två fluider, i synnerhet vätskor med olika temperatur |
US6162021A (en) * | 1993-09-06 | 2000-12-19 | B.H.R. Group Limited | System for pumping liquids using a jet pump and a phase separator |
DE19714858C1 (de) * | 1997-04-10 | 1998-11-19 | Kayser Automotive Systems Gmbh | Saugstrahlpumpe |
US5951922A (en) * | 1998-02-10 | 1999-09-14 | Mazzei; Angelo L. | Aeration system for substantial bodies of water |
-
1998
- 1998-05-13 DE DE19821511A patent/DE19821511A1/de not_active Ceased
-
1999
- 1999-05-11 DK DK99920866T patent/DK0996585T3/da active
- 1999-05-11 DE DE19980837T patent/DE19980837D2/de not_active Expired - Fee Related
- 1999-05-11 ES ES99920866T patent/ES2255264T3/es not_active Expired - Lifetime
- 1999-05-11 AU AU38283/99A patent/AU3828399A/en not_active Abandoned
- 1999-05-11 AT AT99920866T patent/ATE312051T1/de active
- 1999-05-11 DE DE59912890T patent/DE59912890D1/de not_active Expired - Lifetime
- 1999-05-11 EP EP99920866A patent/EP0996585B1/de not_active Expired - Lifetime
- 1999-05-11 WO PCT/EP1999/003228 patent/WO1999058442A1/de active IP Right Grant
- 1999-05-11 US US09/462,822 patent/US6572258B1/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9958442A1 * |
Also Published As
Publication number | Publication date |
---|---|
US6572258B1 (en) | 2003-06-03 |
AU3828399A (en) | 1999-11-29 |
EP0996585B1 (de) | 2005-12-07 |
ATE312051T1 (de) | 2005-12-15 |
ES2255264T3 (es) | 2006-06-16 |
DE59912890D1 (de) | 2006-01-12 |
WO1999058442A1 (de) | 1999-11-18 |
DE19980837D2 (de) | 2001-01-04 |
DE19821511A1 (de) | 1999-11-18 |
DK0996585T3 (da) | 2006-04-10 |
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