EP0117449B1 - Control device for pouring liquids - Google Patents

Control device for pouring liquids Download PDF

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Publication number
EP0117449B1
EP0117449B1 EP84100941A EP84100941A EP0117449B1 EP 0117449 B1 EP0117449 B1 EP 0117449B1 EP 84100941 A EP84100941 A EP 84100941A EP 84100941 A EP84100941 A EP 84100941A EP 0117449 B1 EP0117449 B1 EP 0117449B1
Authority
EP
European Patent Office
Prior art keywords
valve
controlling apparatus
pressure
switch
liquid
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
Application number
EP84100941A
Other languages
German (de)
French (fr)
Other versions
EP0117449A1 (en
Inventor
Manfred Schepper
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.)
Kolbus GmbH and Co KG
Leifeld and Lemke Maschinenfabrik GmbH and Co KG
Original Assignee
Kolbus GmbH and Co KG
Leifeld and Lemke Maschinenfabrik GmbH and Co KG
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 Kolbus GmbH and Co KG, Leifeld and Lemke Maschinenfabrik GmbH and Co KG filed Critical Kolbus GmbH and Co KG
Publication of EP0117449A1 publication Critical patent/EP0117449A1/en
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Publication of EP0117449B1 publication Critical patent/EP0117449B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/30—Filling of barrels or casks
    • B67C3/32—Filling of barrels or casks using counterpressure, i.e. filling while the container is under pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/28—Flow-control devices, e.g. using valves

Definitions

  • the invention relates to a control device for filling pressurized liquids into barrels.
  • the object of the invention is to provide a control device for filling pressurized liquids into drums, which is characterized by functional reliability and simple construction.
  • the control device should be easy to maintain and enable reliable cleaning.
  • this object is achieved by a check valve installed in the liquid feed line and having a switching device, via which control pulses for the start and end of the filling process are emitted in accordance with the position of the valve cone. Further features of the invention emerge from the subclaims.
  • this control device represents a relatively simple solution for filling liquids into barrels.
  • the valve is a purely mechanical structure which has no membranes or sensitive electrical devices and is therefore not susceptible to faults. As a result of the arrangement in the direct liquid flow, reliable cleaning is guaranteed and a risk of infection is excluded.
  • a KEG barrel 1 with a barrel fitting 2 screwed into the barrel bottom is in a position coupled to a connection head 3 for the filling process with the head pointing downward.
  • the barrel fitting 2 is essentially formed from a fitting housing or cage and from a riser pipe 2a which can be moved in the axial direction and protrudes into the barrel and is designed as an automatically closing valve with through openings for the compressed gas and for the liquid to be filled.
  • Fig. 2 shows the check valve 15 as it is installed in the liquid supply line 5.
  • the valve consists of a valve body 16, the upper part of which is designed as a sight glass 17 for visual inspection, and of a valve cone 18 located in the valve body 16 with a lug 19 movable in the area of the sight glass his seat kept in plant.
  • Switch flag 19 and an inductive proximity switch 21 are components of a switching device via which control pulses for the start and end of the filling process are emitted in accordance with the position of the valve cone.
  • the barrel is initially prestressed with gas via the riser pipe 2a, the prestressing gas being set to a pressure which is above the highest possible pressure of the liquid pressure to be filled.
  • the preload begins by opening the valve 6 and ends when a predetermined period of time corresponding to the barrel size has elapsed. After this period, the return gas valve 7 in a return gas line 8 and the liquid supply valve 9 open. Since the pressure in the barrel is higher than the liquid pressure, the check valve 15 initially remains closed.
  • the preload pressure gradually decreases via the valve 7 and the opening takes place after the pressure of the liquid has fallen below of the check valve 15.
  • a control pulse is sent to the valve 7 for closing via the switching device and the filling process begins, the gas pushed out of the barrel being regulated in a known manner via the return line 10 and the counter-pressure valve 11 with its actuator 12.
  • the end of the filling process is initiated by the overflowing liquid by closing a valve located in the connection head 3 and thereby interrupting the flow of liquid.
  • the check valve also closes again, which leads to a control pulse output of the switching device, as a result of which all valves are closed.
  • the invention is not limited to the illustrated and described construction of the valve.
  • a mechanical device can also be used, for which purpose the valve plug is directly operatively connected to an externally arranged switching device.
  • the check valve can simultaneously serve as a flow measuring device for measuring the flow and regulating the filling speed and also as a monitoring device for the chemical circulation cleaning.
  • the position of the valve cone 18, which is dependent on the flow rate is displayed on a row of switching elements 21 serving as an electrode, and thus a measure of the flow rate is shown.

Landscapes

  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)

Description

Die Erfindung betrifft eine Steuerungseinrichtung zum Abfüllen von unter Druck stehenden Flüssigkeiten in Fässer.The invention relates to a control device for filling pressurized liquids into barrels.

Beim Abfüllen von kohlensäurehaltigen Flüssigkeiten in Fässer werden diese zunächst mit einem Gas vorgespannt, das dann beim Einströmen der Flüssigkeit über einen unter Druck stehenden Rückgasweg verdrängt wird. Diese sogenannte Vorspannung des Fasses wird mittels eines Druckschalters überwacht, der bei Erreichen des eingestellten Vorspanndrucks den Flüssigkeitsanlauf steuert, wozu ein stets gleichbleibender Druck der Abfüllflüssigkeit, auf den der Druckschalter eingestellt werden muß, erforderlich ist.When filling carbonated liquids into barrels, they are initially biased with a gas, which is then displaced via a pressurized return gas path when the liquid flows in. This so-called pre-tensioning of the barrel is monitored by means of a pressure switch which controls the liquid start-up when the set pre-tensioning pressure is reached, for which purpose a constant pressure of the filling liquid to which the pressure switch must be set is required.

Die hierzu eingesetzten Druckschalter sind jedoch außerordentlich empfindlich und können leicht durch Druckstöße oder Fremdkörper beschädigt werden. Des weiteren gelangen auch sogenannte reinigungsfähige Druckschalter mit Membrandruckmittier zum Einsatz, die aber sehr kostenaufwendig sind. Auch sie bieten keine absolute Sicherheit gegen Zerstörung bei Druckstößen, wie sie bei der Reinigung auftreten können.However, the pressure switches used for this are extremely sensitive and can easily be damaged by pressure surges or foreign bodies. Furthermore, so-called cleanable pressure switches with diaphragm pressure seals are also used, but these are very expensive. They also do not offer absolute security against destruction in the event of pressure surges that can occur during cleaning.

Besondere Probleme ergeben sich dann, wenn der Flüssigkeitsdruck schwankt und sogenannte Differenzdruckschalter eingesetzt werden müssen, deren technischer Aufbau kompliziert und damit teuer ist. Darüber hinaus muß auch ihre Funktionssicherheit bemängelt werden.Special problems arise when the fluid pressure fluctuates and so-called differential pressure switches have to be used, the technical structure of which is complicated and therefore expensive. In addition, their functional reliability must also be criticized.

Während den Abfüllbeginn ein Druckschalter einleitet, wird das Ende des Füllprozesses vielfach durch eine Leitfähigkeitsmeßsonde gesteuert. Bei anderen Verfahren hingegen wird durch die nach dem Füllvorgang überlaufende Flüssigkeit ein Ventil geschlossen und damit der Strömungsfluß unterbunden. Hierdurch entsteht ein Staudruck, der über einen Druckschalter abgefragt wird und das Füllende steuert. Wie die Praxis zeigt, erweisen sich beide Lösungswege als sehr störanfällig. Sonde und Druckschalter müssen zwangsläufig im Rückgasweg installiert werden, was zu konstruktiv schwierigen Lösungen führt, da auch eine einwandfreie Reinigung gewährleistet sein muß.While a pressure switch initiates the start of filling, the end of the filling process is often controlled by a conductivity measuring probe. In other methods, however, a valve is closed by the liquid overflowing after the filling process and the flow flow is thus prevented. This creates a dynamic pressure, which is queried via a pressure switch and controls the end of filling. As practice shows, both solutions are very susceptible to failure. The probe and pressure switch must be installed in the return gas path, which leads to structurally difficult solutions, since perfect cleaning must also be guaranteed.

Die Aufgabe der Erfindung besteht darin, eine Steuerungseinrichtung zum Abfüllen von unter Druck stehenden Flüssigkeiten in Fässer zu schaffen, die sich durch Funktionssicherheit sowie einfache Bauweise auszeichnet. Darüber hinaus soll die Steuerungseinrichtung einfach zu warten sein und eine zuverlässige Reinigung ermöglichen.The object of the invention is to provide a control device for filling pressurized liquids into drums, which is characterized by functional reliability and simple construction. In addition, the control device should be easy to maintain and enable reliable cleaning.

Erfindungsgemäß wird diese Aufgabe gelöst durch ein in der Flüssigkeitszuleitung eingebautes Rückschlagventil mit einer Schalteinrichtung, über die der Lage des Ventilkegels entsprechend Steuerimpulse für den Beginn und das Ende des Füllvorgangs abgegeben werden. Weitere Merkmale der Erfindung ergeben sich aus den Unteransprüchen.According to the invention, this object is achieved by a check valve installed in the liquid feed line and having a switching device, via which control pulses for the start and end of the filling process are emitted in accordance with the position of the valve cone. Further features of the invention emerge from the subclaims.

Konstruktiv stellt diese Steuerungseinrichtung einen relativ einfachen Lösungsweg zum Abfüllen von Flüssigkeiten in Fässer dar. Das Ventil ist ein rein mechanischer Baukörper, der keine Membranen oder empfindliche elektrische Einrichtungen besitzt und somit störunanfällig ist. Infolge der Anordnung im direkten Flüssigkeitsstrom ist eine zuverlässige Reinigung gewährleistet und eine Infektionsgefahr ausgeschlossen.In terms of design, this control device represents a relatively simple solution for filling liquids into barrels. The valve is a purely mechanical structure which has no membranes or sensitive electrical devices and is therefore not susceptible to faults. As a result of the arrangement in the direct liquid flow, reliable cleaning is guaranteed and a risk of infection is excluded.

Anhand der Zeichnung wird ein Ausführungsbeispiel der Erfindung dargestellt und beschrieben. Es zeigen

  • Figur 1 ein Schaltschema für das Ausführungsbeispiel,
  • Figur 2 das erfindungsgemäße Rückschlagventil in einer vergrößerten Schnittdarstellung.
An exemplary embodiment of the invention is illustrated and described with the aid of the drawing. Show it
  • FIG. 1 shows a circuit diagram for the exemplary embodiment,
  • Figure 2 shows the check valve according to the invention in an enlarged sectional view.

Ein KEG-Faß 1 mit einer in den Faßboden eingeschraubten Faßarmatur 2 befindet sich zum Füllvorgang mit nach unten weisendem Kopf in einer mit einem Anschlußkopf 3 gekoppelten Position. Die Faßarmatur 2 wird im wesentlichen aus einem Armaturengehäuse oder -käfig sowie aus einem in diesem in axialer Richtung bewegbaren, in das Faß hineinragenden Steigrohr 2a gebildet und ist als selbsttätig schließendes Ventil mit Durchgangsöffnungen für das Druckgas sowie für die abzufüllende Flüssigkeit ausgestaltet.A KEG barrel 1 with a barrel fitting 2 screwed into the barrel bottom is in a position coupled to a connection head 3 for the filling process with the head pointing downward. The barrel fitting 2 is essentially formed from a fitting housing or cage and from a riser pipe 2a which can be moved in the axial direction and protrudes into the barrel and is designed as an automatically closing valve with through openings for the compressed gas and for the liquid to be filled.

Fig. 2 zeigt das Rückschlagventil 15, wie es in der Flüssigkeitszuleitung 5 installiert ist. Das Ventil besteht aus einem Ventilkörper 16, dessen oberer Teil als Schauglas 17 für eine optische Kontrolle ausgestaltet ist, sowie aus einem sich in dem Ventilkörper 16 befindenden Ventilkegel 18 mit einer im Bereich des Schauglases bewegbaren Fahne 19. Über eine Druckfeder 20 wird der Ventikegel in seinem Sitz in Anlage gehalten.Fig. 2 shows the check valve 15 as it is installed in the liquid supply line 5. The valve consists of a valve body 16, the upper part of which is designed as a sight glass 17 for visual inspection, and of a valve cone 18 located in the valve body 16 with a lug 19 movable in the area of the sight glass his seat kept in plant.

Schaltfahne 19 sowie ein induktiver Näherungsschalter 21 sind Bauteile einer Schalteinrichtung, über die der Lage des Ventilkegels entsprechend Steuerimpulse für den Beginn und das Ende des Füllvorgangs abgegeben werden.Switch flag 19 and an inductive proximity switch 21 are components of a switching device via which control pulses for the start and end of the filling process are emitted in accordance with the position of the valve cone.

Bekanntlich erfolgt zunächst eine Vorspannung des Fasses mit Gas über das Steigrohr 2a, wobei das Vorspanngas auf einen Druck eingestellt wird, der über dem höchstmöglichen Druck des abzufüllenden Flüssigkeitsdruckes liegt. Die Vorspannung beginnt durch Öffnen des Ventils 6 und endet mit Ablauf einer vorgegebenen, der Faßgröße entsprechenden Zeitdauer. Nach Ablauf dieser Zeitdauer öffnet das Rückgasventil 7 in einer Rückgasleitung 8 sowie das Flüssigkeitszuführventil 9. Da der Druck im Faß höher ist als der Flüssigkeitsdruck, bleibt das Rückschlagventil 15 zunächst geschlossen.As is known, the barrel is initially prestressed with gas via the riser pipe 2a, the prestressing gas being set to a pressure which is above the highest possible pressure of the liquid pressure to be filled. The preload begins by opening the valve 6 and ends when a predetermined period of time corresponding to the barrel size has elapsed. After this period, the return gas valve 7 in a return gas line 8 and the liquid supply valve 9 open. Since the pressure in the barrel is higher than the liquid pressure, the check valve 15 initially remains closed.

Der Vorspanndruck baut sich über das Ventil 7 allmählich ab und nach Unterschreiten des Druckes der Flüssigkeit vollzieht sich das Öffnen des Rückschlagventils 15. Mit diesem Öffnungsvorgang erfolgt über die Schalteinrichtung ein Steuerimpuls an das Ventil 7 zum Schließen und der Füllprozeß beginnt, wobei das aus dem Faß herausgedrückte Gas über die Rückleitung 10 und dem Gegendruckventil 11 mit seinem Stellantrieb 12 in bekannter Weise geregelt wird.The preload pressure gradually decreases via the valve 7 and the opening takes place after the pressure of the liquid has fallen below of the check valve 15. With this opening process, a control pulse is sent to the valve 7 for closing via the switching device and the filling process begins, the gas pushed out of the barrel being regulated in a known manner via the return line 10 and the counter-pressure valve 11 with its actuator 12.

Das Ende des Füllprozesses wird durch die überströmende Flüssigkeit eingeleitet, indem ein in dem Anschlußkopf 3 sitzendes Ventil geschlossen und hierdurch der Flüssigkeitszufluß unterbrochen wird. Infolge dieser Strömungsunterbrechung schließt auch das Rückschlagventil wieder, was zu einer Steuerimpulsabgabe der Schalteinrichtung führt, wodurch alle Ventile geschlossen werden.The end of the filling process is initiated by the overflowing liquid by closing a valve located in the connection head 3 and thereby interrupting the flow of liquid. As a result of this flow interruption, the check valve also closes again, which leads to a control pulse output of the switching device, as a result of which all valves are closed.

Die Erfindung beschränkt sich nicht auf die dargestellte und beschriebene Bauweise des Ventils. Anstelle der induktiven Schalteinrichtung kann ebenso eine mechanische Einrichtung Verwendung finden, wozu der Ventilkegel direkt mit einer extern angeordneten Schalteinrichtung in Wirkverbindung steht.The invention is not limited to the illustrated and described construction of the valve. Instead of the inductive switching device, a mechanical device can also be used, for which purpose the valve plug is directly operatively connected to an externally arranged switching device.

In einer vorteilhaften Anwendung kann das Rückschlagventil gleichzeitig als Durchflußmeßeinrichtung zur Strömungsmessung und Regelung der Füllgeschwindigkeit dienen und ferner auch als Überwachungseinrichtung für die chemische Umlaufreinigung. Hierzu wird die durchflußmengenabhängige Position des Ventilkegels 18 auf einer als Meßkette dienenden Reihe von Schaltelementen 21 angezeigt und damit ein Maß für die Durchflußrate dargestellt.In an advantageous application, the check valve can simultaneously serve as a flow measuring device for measuring the flow and regulating the filling speed and also as a monitoring device for the chemical circulation cleaning. For this purpose, the position of the valve cone 18, which is dependent on the flow rate, is displayed on a row of switching elements 21 serving as an electrode, and thus a measure of the flow rate is shown.

Claims (5)

1. Controlling apparatus for filling containers with liquid that is under pressure, characterised in that a nonreturn valve (15) with a switch device (19, 21) is installed in a liquid delivery pipe (5), through which corresponding to the position of the valve cone (18) control impulses for the starting and ending of the filling process are given.
2. Controlling apparatus according to claim 1, characterised in that the switch device consists of a switch vane (19) on the valve cone (18) as well as a proximity switch (21) fitted externally.
3. Controlling apparatus according to claim 2, characterised in that the switch vane (19) is movable in the area of a see-through glass tube (17) of the nonreturn valve (15).
4. Controlling apparatus according to claim 1, characterised in that the valve cone (18) is in operational contact with a mechanical switch device fitted externally.
5. Controlling apparatus according to claim 1 to 4, characterised in that the nonreturn valve (15) is designed as a through flow rate mechanism whereby the position of the valve cone (18) depending on the through flow rate, will be indicated through a row of switching elements therefore being used as a measure for the through flow rate.
EP84100941A 1983-02-26 1984-01-31 Control device for pouring liquids Expired EP0117449B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833306922 DE3306922A1 (en) 1983-02-26 1983-02-26 CONTROL DEVICE FOR FILLING OFF LIQUIDS
DE3306922 1983-02-26

Publications (2)

Publication Number Publication Date
EP0117449A1 EP0117449A1 (en) 1984-09-05
EP0117449B1 true EP0117449B1 (en) 1986-05-07

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ID=6192012

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84100941A Expired EP0117449B1 (en) 1983-02-26 1984-01-31 Control device for pouring liquids

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EP (1) EP0117449B1 (en)
DE (2) DE3306922A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2610719B1 (en) * 1987-02-11 1992-03-13 Lesieur Cotelle NEW DOSING DEVICE FOR FILLING BAGS AND OTHER CONTAINERS WITH A LIQUID
US5234017A (en) * 1990-11-30 1993-08-10 Aeroquip Corporation Restrictor valve for a metered liquid dispensing system
DE29718062U1 (en) * 1997-04-29 1998-05-20 GEA Till GmbH & Co., 65830 Kriftel Device for filling containers

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1070951B (en) * 1959-12-10
US1844842A (en) * 1929-10-14 1932-02-09 Antone C Colosimo Tank filling device
US4257437A (en) * 1978-02-08 1981-03-24 Imperial Chemical Industries Limited Liquid flow control
DD137615A1 (en) * 1978-07-06 1979-09-12 Ludwig Denk DEVICE FOR CONTACTLESS MONITORING OF HYDRAULIC OR PNEUMATIC VALVES
DE2901275A1 (en) * 1979-01-13 1980-07-24 Sasserath & Co Kg H CONTROL VALVE
DE2924622A1 (en) * 1979-06-19 1981-01-15 Aeg Kanis Turbinen Steam-tight valve position indicator - has hinging bar in bearing sealed by metal bellows actuating limit switches

Also Published As

Publication number Publication date
DE3460114D1 (en) 1986-06-12
DE3306922A1 (en) 1984-08-30
EP0117449A1 (en) 1984-09-05

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