EP0179189A2 - Method and device for proportioning and mixing two liquids - Google Patents

Method and device for proportioning and mixing two liquids Download PDF

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Publication number
EP0179189A2
EP0179189A2 EP85105208A EP85105208A EP0179189A2 EP 0179189 A2 EP0179189 A2 EP 0179189A2 EP 85105208 A EP85105208 A EP 85105208A EP 85105208 A EP85105208 A EP 85105208A EP 0179189 A2 EP0179189 A2 EP 0179189A2
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EP
European Patent Office
Prior art keywords
fluids
constant
ratio
coaxial
fluid
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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.)
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Application number
EP85105208A
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German (de)
French (fr)
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EP0179189A3 (en
Inventor
Adriano Dr. Simonazzi
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Simonazzi A&L SpA
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Simonazzi A&L SpA
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Publication of EP0179189A2 publication Critical patent/EP0179189A2/en
Publication of EP0179189A3 publication Critical patent/EP0179189A3/en
Withdrawn legal-status Critical Current

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    • 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
    • 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
    • B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
    • B01F25/3131—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit 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
    • B01F25/60—Pump mixers, i.e. mixing within a pump
    • B01F25/62—Pump mixers, i.e. mixing within a pump of the gear type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/80—Forming a predetermined ratio of the substances to be mixed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/06—Mixing of food ingredients
    • B01F2101/14—Mixing of ingredients for non-alcoholic beverages; Dissolving sugar in water

Definitions

  • the invention relates to a method and a device for metering and mixing two fluid components, in particular water and syrup, of a system for producing products packaged in bottles.
  • intervention must be made to regulate the delivery rates of the two fluids; if upstream changes in syrup concentration or viscosity occur, intervention must be made to adjust the delivery of the two components and the automatic control cannot be accomplished by a single device; if there are interruptions in the operation of the system, intervention is necessary to correct temporary changes in the dosage ratio.
  • the invention has for its object to provide a simple method and a device consisting of a few components, with which desired mixtures of two different fluids can be produced without great control effort.
  • This object is achieved in that the fluids are supplied from two separate piezometric containers, that the fluid levels in the containers have the same height and thus the fluid pressures in the containers are the same, that the flow rate of the fluids in the lines is constant and that The fluids are brought together via coaxial openings in the feed lines.
  • the device according to the invention is characterized in that two separate, piezometric containers with the same liquid level and pressure for the dosing and mixing fluids are arranged.
  • Syrup is supplied from a piezometric container 1 via a pipeline 1 ', while water is supplied from a piezometric container 2 through a pipeline 2'. Syrup and water are passed through two coaxial openings 3 and 4.
  • the two fluids emerging from the coaxial openings 3 and 4 flow together in a pump 5 with a constant delivery rate.
  • the control of the delivery rate of the syrup, which flows through the coaxial opening 3, takes place via a micrometer screw 6, which is connected to an automatic device 7, which determines concentration fluctuations in the mixture that is sent to a consumer system 8.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Accessories For Mixers (AREA)

Abstract

The individual liquid components come from two piezometric tanks (1, 2), merge by flowing through two axial orifices (3, 4) and mix in a pump (5) with constant delivery. The more viscous liquid (syrup) flows through the inner orifice (3) of the two coaxial orifices (3, 4), and the control of the flow rate thereof simultaneously also adjusts to the flow rate of the less viscous liquid (water). <IMAGE>

Description

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zur Dosierung und Mischung zweier Fluidkomponenten, insbesondere von Wasser und Sirup einer Anlage zur Herstellung von in Flaschen verpackten Erzeugnissen.The invention relates to a method and a device for metering and mixing two fluid components, in particular water and syrup, of a system for producing products packaged in bottles.

Es sind verschiedene zur Dosierung und Mischung von Wasser/ Sirup verwendete Systeme bekannt: a) Gravitationsdosiersysteme durch kalibrierte öffnungen mittels Konstanthaltung der Fallhöhe. Diese Systeme verwenden Füllstandsregler, um die Zuführung der beiden Komponenten zu verändern, sowie Sperrventile während des Stillstands des Systems. Die Dosierung erfolgt bei atmosphärischem Druck, und auf der stromab gelegenen Seite dieser Systeme bringt eine Pumpe das Erzeugnis auf Betriebsdruck. b) Dosiersysteme mit Modulierventilen, die auf ein von Füllmengenmessern erhaltenes Signal reagieren und die in das Fertigerzeugnis und in eines der zu vermischenden Fluide, im Normalfall Wasser, eingeführt werden. Auch dieses Dosiersystem umfaßt eine Pumpe, die das Erzeugnis auf den Betriebsdruck bringt. c) Dosiersysteme mit einer Dosierkolbenpumpe. Bei vorgenannten Systemen mit Kolben mit einstellbarem Hub bestimmen diese das erforderliche Dosierverhältnis zwischen Wasser und Sirup und bringen die Mischung auf den Betriebsdruck.Various systems used for dosing and mixing water / syrup are known: a) Gravitational dosing systems through calibrated openings by keeping the head constant. These systems use level controls to change the supply of the two components, as well as check valves while the system is at a standstill. Dosing is carried out at atmospheric pressure, and on the downstream side of these systems a pump brings the product up to operating pressure. b) dosing systems with modulating valves, which react to a signal received from filling quantity meters and which are introduced into the finished product and into one of the fluids to be mixed, normally water. This dosing system also includes a pump that brings the product up to the operating pressure. c) Metering systems with a metering piston pump. In the aforementioned systems with pistons with an adjustable stroke, these determine the required dosing ratio between water and syrup and bring the mixture to the operating pressure.

Die derzeit bekannten Dosiersysteme erfordern zahlreiche manuelle Eingriffe. Wenn die Verbraucheranlage bei gleichem vorgegebenen Mischungsverhältnis eine Änderung der Fördermenge der Mischung erfordert, ist es notwendig einzugreifen, um die Fördermengen für Wasser und Sirup zu ändern, die beide durch die neue Abflußmenge verändert werden.The currently known dosing systems require numerous manual interventions. If the consumer system requires a change in the delivery rate of the mixture with the same predetermined mixing ratio, it is necessary to intervene to change the delivery rates for water and syrup, both of which are changed by the new discharge rate.

Wenn die Verbraucheranlage bei der gleichen Fördermenge ein anderes Dosierverhältnis der Mischung erfordert, muß eingegriffen werden, um die Fördermengen der beiden Fluide zu regeln; wenn stromauf Konzentrationsänderungen bzw. Viskositätsänderungen des Sirups eintreten, muß eingegriffen werden, um die Fördermengen der beiden Komponenten einzustellen, und die automatische Steuerung kann nicht durch eine einzige Gerätschaft bewerkstelligt werden; wenn es zu Unterbrechungen beim Betrieb der Anlage kommt, ist ein Eingriff notwendig, um vorübergehende Veränderungen des Dosierverhältnisses zu korrigieren.If the consumer system requires a different dosing ratio of the mixture at the same delivery rate, intervention must be made to regulate the delivery rates of the two fluids; if upstream changes in syrup concentration or viscosity occur, intervention must be made to adjust the delivery of the two components and the automatic control cannot be accomplished by a single device; if there are interruptions in the operation of the system, intervention is necessary to correct temporary changes in the dosage ratio.

Der Erfindung liegt die Aufgabe zugrunde, ein einfaches Verfahren und eine aus wenigen Komponenten bestehende Vorrichtung zu schaffen, mit welchen ohne großen Regelaufwand gewünschte Mischungen zweier unterschiedlicher Fluide hergestellt werden können.The invention has for its object to provide a simple method and a device consisting of a few components, with which desired mixtures of two different fluids can be produced without great control effort.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Fluide aus zwei getrennten piezometrischen Behältern zugeführt werden, daß die Fluidpegel in den Behältern gleiche Höhe aufweisen und damit die Fluiddrücke in den Behältern gleich sind, daß die Abflußgeschwindigkeit der Fluide in den Leitungen konstant ist und daß die Zusammenführung der Fluide über koaxiale öffnungen der Zuführungsleitungen erfolgt.This object is achieved in that the fluids are supplied from two separate piezometric containers, that the fluid levels in the containers have the same height and thus the fluid pressures in the containers are the same, that the flow rate of the fluids in the lines is constant and that The fluids are brought together via coaxial openings in the feed lines.

Die erfindungsgemäße Vorrichtung ist dadurch gekennzeichnet, daß zwei getrennte, piezometrische Behälter mit gleichem Flüssigkeitsstand und -druck für die zu dosierenden und zu mischenden Fluide angeordnet sind.The device according to the invention is characterized in that two separate, piezometric containers with the same liquid level and pressure for the dosing and mixing fluids are arranged.

Mit Hilfe des erfindungsgemäßen Verfahrens und der erfindungsgemäßen Vorrichtung wird eine Dosierung und Mischung zweier Fluide unterschiedlicher Viskosität zuverlässig ohne großen regeltechnischen Aufwand erreicht.With the aid of the method according to the invention and the device according to the invention, a metering and mixing of two fluids of different viscosities is reliably achieved without a great deal of control effort.

Die Erfindung wird nachstehend anhand eines Ausführungsbeispiels unter Bezugnahme auf die Zeichnung näher erläutert.The invention is explained below using an exemplary embodiment with reference to the drawing.

Sirup wird von einem piezometrischen Behälter 1 über eine Rohrleitung 1' zugeführt, während Wasser aus einem piezometrischen Behälter 2 durch eine Rohrleitung 2' zugeführt wird. Sirup und Wasser werden durch zwei koaxiale Öffnungen 3 und 4 geführt.Syrup is supplied from a piezometric container 1 via a pipeline 1 ', while water is supplied from a piezometric container 2 through a pipeline 2'. Syrup and water are passed through two coaxial openings 3 and 4.

Die beiden aus den koaxialen öffnungen 3 und 4 austretenden Fluide fließen in einer Pumpe 5 mit konstanter Förderleistung zusammen.The two fluids emerging from the coaxial openings 3 and 4 flow together in a pump 5 with a constant delivery rate.

Die Steuerung der Fördermenge des Sirups, der durch die koaxiale Öffnung 3 fließt, erfolgt über eine Mikrometerschraube 6, die mit einer automatischen Einrichtung 7 verbunden ist, welche Konzentrationsschwankungen der Mischung feststellt, die zu einer Verbraucheranlage 8 geschickt wird.The control of the delivery rate of the syrup, which flows through the coaxial opening 3, takes place via a micrometer screw 6, which is connected to an automatic device 7, which determines concentration fluctuations in the mixture that is sent to a consumer system 8.

Sirup und Wasser, die zu dosieren sind, stammen jeweils aus Vorratsbehältern, die bezogen auf die Vorrichtung stromauf liegen und die symbolisch mit den Pfeilen 9 und 10 gekennzeichnet sind.Syrup and water, which are to be dosed, each come from storage containers which are upstream of the device and which are symbolically identified by arrows 9 and 10.

Claims (9)

1. Verfahren zur Dosierung und Mischung zweier Fluidkomponenten, dadurch gekennzeichnet , daß die Fluide aus zwei getrennten piezometrischen Behältern (1, 2) zugeführt werden, daß die Fluidpegel in den Behältern gleiche Höhe aufweisen und damit die Fluiddrücke in den Behältern gleich sind, daß die Abflußgeschwindigkeit der Fluide in den Leitungen konstant ist und daß die Zusammenführung der Fluide über koaxiale Öffnungen (3, 4) der Zuführungsleitungen (1', 2') erfolgt.1. A method for metering and mixing two fluid components, characterized in that the fluids are fed from two separate piezometric containers (1, 2), that the fluid levels in the containers have the same height and thus the fluid pressures in the containers are the same that the The flow rate of the fluids in the lines is constant and that the fluids are brought together via coaxial openings (3, 4) of the feed lines (1 ', 2'). 2. Vorrichtung zur Durchführung des Verfahrens nach Anspruch 1, dadurch gekennzeichnet , daß zwei getrennte piezometrische Behälter (1, 2) mit gleichem Flüssigkeitsstand und -druck für die zu dosierenden und zu mischenden Fluide angeordnet sind.2. Device for performing the method according to claim 1, characterized in that two separate piezometric containers (1, 2) are arranged with the same liquid level and pressure for the fluids to be metered and mixed. 3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet ; daß zur Zusammenführung der konstanten Teilfördermengen der beiden zu mischenden Fluide auch bei verschiedenen Abflußgeschwindigkeiten zwei koaxiale Öffnungen(3, 4) angeordnet sind, die so profiliert sind, das die Zustände der einzelnen hydrodynamischen Konfigurationen unabhängig vom Fördermengenverhältnis der einzelnen Komponenten unverändert gehalten werden.3. Device according to claim 2, characterized; that to bring together the constant partial delivery rates of the two fluids to be mixed, even at different discharge speeds, two coaxial openings (3, 4) are arranged, which are profiled such that the states of the individual hydrodynamic configurations are kept unchanged regardless of the delivery rate ratio of the individual components. 4. Vorrichtung nach den Ansprüchen 2 und 3, dadurch gekennzeichnet , daß für das Fluid mit größerer Viskosität die innenliegende (3) und für das Fluid geringer Viskosität die äußere (4) der beiden koaxialen Öffnungen (3, 4) vorgesehen ist.4. Device according to claims 2 and 3, characterized in that the inner (3) for the fluid with greater viscosity and the outer (4) of the two coaxial openings (3, 4) is provided for the fluid with low viscosity. 5. Vorrichtung nach den Ansprüchen 2 bis 4, dadurch gekennzeichnet , das das vorgegebene Dosierverhältnis, das für jede hydraulische Einstellung konstant ist, sich auch nicht ändert, wenn es zum hydrostatischen Zustand eines zufälligen Stillstandes oder intermittierenden Betriebes kommt, da die Versorgungsleitungen der beiden Fluide unter dem ständigen Beaufschlagungsdruck der einzelnen piezometrischen Tanks immer voll bleiben.5. Device according to claims 2 to 4, characterized in that the predetermined metering ratio, which is constant for each hydraulic setting, also does not change when it comes to the hydrostatic state of an accidental standstill or intermittent operation, since the supply lines of the two fluids always remain full under the constant pressure of the individual piezometric tanks. 6. Vorrichtung nach den vorstehenden Ansprüchen, dadurch gekennzeichnet , daß die beiden aus den koaxialen öffnungen (3, 4) mit konstanten Teilfördermengen ausfließenden Fluide in einer Pumpe (5) mit konstanter Fördermenge zusammenfließen, die als solche die koaxiale Anordnung der hydraulischen Betriebskonfiguration unverändert hält.6. Device according to the preceding claims, characterized in that the two fluids flowing out of the coaxial openings (3, 4) with constant partial delivery quantities flow together in a pump (5) with a constant delivery quantity, which as such keeps the coaxial arrangement of the hydraulic operating configuration unchanged . 7. Vorrichtung nach den vorstehenden Ansprüchen, dadurch gekennzeichnet , daß auch, wenn bei gleichem vorherbestimmtem Mischungsverhältnis die Verbraucheranlage eine Veräzderung der Fördermenge der Versorgungsmischung erfordert und dabei auf die Pumpe (5) eingewirkt wird, die die neue erforderliche konstante Fördermenge liefert, das unveränderte Fortbestehen der koaxialen hydraulischen Konfiguration auch das Aufrechterhalten des vorherbestimmten Verhältnisses zwischen den Teilfördermengen der einzelnen Fluide und demzufolge auch den Wert des vorherbestimmten konstanten Dosierverhältnisses bei der abfließenden Mischung garantiert.7. Device according to the preceding claims, characterized in that even if, with the same predetermined mixing ratio, the consumer system requires a change in the delivery rate of the supply mixture and thereby acts on the pump (5) which delivers the new required constant delivery rate, the unchanged persistence the coaxial hydraulic configuration also guarantees the maintenance of the predetermined ratio between the partial delivery rates of the individual fluids and consequently also the value of the predetermined constant metering ratio for the outflowing mixture. 8. Vorrichtung nach den vorstehenden Ansprüchen, dadurch gekennzeichnet , daß, falls die Verbraucheranlage bei der gleichen konstanten Fördermenge ein anderes Dosierverhältnis der zufließenden Mischung erfordert, die Einstellung des neuen Dosierverhältnisses dadurch erfolgt, daß lediglich auf die Teil=6 - fördermenge des inneren, viskoseren Fluids Einfluß genommen wird, während die Teilfördermenge des äußeren, weniger viskosen Fluids sich gleichzeitig anpaßt, da die koaxiale Anordnung der hydraulischen Betriebskonfiguration auch bei dem neuen Dosierverhältnis der abfließenden Mischung unverändert gehalten wird.8. Device according to the preceding claims, characterized in that if the consumer system requires a different dosing ratio of the inflowing mixture at the same constant delivery rate, the setting of the new dosing ratio takes place in that only the part = 6 - delivery rate of the inner, more viscous fluid is influenced, while the partial delivery rate of the outer, less viscous fluid adjusts at the same time, since the coaxial arrangement of the hydraulic operating configuration is kept unchanged even with the new metering ratio of the flowing mixture. 9. Vorrichtung nach den vorstehenden Ansprüchen, dadurch gekennzeichnet , daß die Steuerung der Teilfördermenge des viskoseren, durch die innere koaxiale öffnung (3) fließenden Fluids auch automatisch dadurch erfolgen kann, daß sie auf der stromab gelegenen Seite mit Apparaturen verbunden wird, die Konzentrationsschwankungen der Verbraucheranlage zugeführten Mischung erfaßt und so automatisch sowohl Konzentrations- wie auch Viskositätsänderungen auf der stromauf gelegenen Seite kompensiert.9. Device according to the preceding claims, characterized in that the control of the partial delivery of the more viscous fluid flowing through the inner coaxial opening (3) can also take place automatically in that it is connected to apparatuses on the downstream side, the concentration fluctuations of the Mixture supplied to the consumer system is detected and thus both concentration and viscosity changes on the upstream side are automatically compensated.
EP85105208A 1984-10-02 1985-04-29 Method and device for proportioning and mixing two liquids Withdrawn EP0179189A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT358884 1984-10-02
IT8403588A IT8403588A0 (en) 1984-10-02 1984-10-02 EQUIPMENT FOR THE CONTROLLED DOSING AND MIXING OF TWO FLUID COMPONENTS

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EP0179189A2 true EP0179189A2 (en) 1986-04-30
EP0179189A3 EP0179189A3 (en) 1988-07-20

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EP85105208A Withdrawn EP0179189A3 (en) 1984-10-02 1985-04-29 Method and device for proportioning and mixing two liquids

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IT (1) IT8403588A0 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0273437A2 (en) * 1986-12-30 1988-07-06 Hans-Jochen Dr.-Ing. Rindfleisch Method for making flowable suspensions with a constant consistency
WO1994029011A1 (en) * 1993-06-10 1994-12-22 Ecolab Inc. Concentrated product dilution system
WO2009142586A1 (en) * 2008-05-20 2009-11-26 A Clean Partner International Ab Device and method to mix liquid componenets
CN105148792A (en) * 2015-08-26 2015-12-16 嘉兴川页奇精密自动化机电有限公司 Intelligent liquid blending machine and method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL85562C (en) * 1900-01-01
DE1204634B (en) * 1961-08-07 1965-11-11 Orlita Kommanditgesellschaft Method and device for mixing liquids
DE2255806B1 (en) * 1972-11-15 1973-12-13 DEVICE FOR MIXING TWO OR MORE LIQUIDS IN A SPECIFIC QUANTITY FOR MEDICAL, IN PARTICULAR UROLOGICAL AND NEPHROLOGICAL PURPOSES
US3844722A (en) * 1970-03-17 1974-10-29 Mitsubishi Rayon Co Apparatus for the continuous preparation of a polymeric solution

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL85562C (en) * 1900-01-01
DE1204634B (en) * 1961-08-07 1965-11-11 Orlita Kommanditgesellschaft Method and device for mixing liquids
US3844722A (en) * 1970-03-17 1974-10-29 Mitsubishi Rayon Co Apparatus for the continuous preparation of a polymeric solution
DE2255806B1 (en) * 1972-11-15 1973-12-13 DEVICE FOR MIXING TWO OR MORE LIQUIDS IN A SPECIFIC QUANTITY FOR MEDICAL, IN PARTICULAR UROLOGICAL AND NEPHROLOGICAL PURPOSES

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0273437A2 (en) * 1986-12-30 1988-07-06 Hans-Jochen Dr.-Ing. Rindfleisch Method for making flowable suspensions with a constant consistency
EP0273437A3 (en) * 1986-12-30 1990-01-17 Hans-Jochen Dr.-Ing. Rindfleisch Method for making flowable suspensions with a constant consistency
WO1994029011A1 (en) * 1993-06-10 1994-12-22 Ecolab Inc. Concentrated product dilution system
US5443094A (en) * 1993-06-10 1995-08-22 Ecolab Inc. Concentrated product dilution system
WO2009142586A1 (en) * 2008-05-20 2009-11-26 A Clean Partner International Ab Device and method to mix liquid componenets
CN105148792A (en) * 2015-08-26 2015-12-16 嘉兴川页奇精密自动化机电有限公司 Intelligent liquid blending machine and method
CN105148792B (en) * 2015-08-26 2023-03-21 嘉兴北崎机器人有限公司 Intelligent liquid blending machine and blending method

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Publication number Publication date
IT8403588A0 (en) 1984-10-02
EP0179189A3 (en) 1988-07-20

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