AT406108B - Vacuum generation for milking installations - Google Patents

Vacuum generation for milking installations Download PDF

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Publication number
AT406108B
AT406108B AT93298A AT93298A AT406108B AT 406108 B AT406108 B AT 406108B AT 93298 A AT93298 A AT 93298A AT 93298 A AT93298 A AT 93298A AT 406108 B AT406108 B AT 406108B
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liquid
valve
vacuum
line
container
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AT93298A
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German (de)
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ATA93298A (en
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Laschober Gerhard
Laschober Monika
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Abstract

The invention relates to an apparatus for the combined generation of vacuum and heat using a liquid pump 1 which pumps the liquid into and out of containers 2, 3. During the respective essentially valve 6-controlled alternating pumping out of the liquid from the containers 2, 3, the liquid-free spaces 2b and 3b are enlarged, which produces a vacuum which acts via lines and vacuum vessels 4 in a milking installation. The intrinsic heat produced in the pump 1 is removed from this by the circulating liquid and delivered for use via heat exchangers 5. Heat insulation of the novelty according to the invention increases the heat utilization. <IMAGE>

Description

AT 406 108 B AT 406 108 B

Die Erfindung betrifft eine Vorrichtung zur Vakuumerzeugung in einer Melkanlage oder Milchbehandlungsanlage, im wesentlichen bestehend aus einer Flüssigkeitspumpe zur Druckerzeugung und Erwärmung der Flüssigkeit, Flüssigkeitsbehältem zur Flüssigkeitsaufnahme und -abgabe, Ventilen und Leitungen zur Wegsteuerung der Druckmedien und Druckregelung, einem Ausgleichsbehälter zur Vakuumstabilisierung, Isolierung gegen Wärmeveriust sowie einem Wärmetauscher zur Wärmeentnahme. The invention relates to a device for generating a vacuum in a milking or milk treatment plant, essentially consisting of a liquid pump for generating pressure and heating of the fluid, Flüssigkeitsbehältem for liquid absorption, valves and lines for the path control of the print media and pressure control, a surge tank to the vacuum stabilization, insulation against Wärmeveriust as well as a heat exchanger for heat removal.

Die Vakuumerzeugung in einer Melkanlage erfolgt meist durch elektrisch betriebene Drehschieber-Vakuumpumpen, bei welchen ein exzentrisch im Pumpengehäuse angeordneter Rotor, unterteilt durch mehrere radial gleitender federloser Schieber, den Schöpfraum der Pumpe in mehrere Kammern teilt. The vacuum generation in a milking installation is usually carried out by electrically-operated rotary vane vacuum pumps, in which an eccentrically disposed rotor in the pump housing, subdivided by a plurality of radially moving springless slide, the pump chamber of the pump is divided into several chambers. Das Vakuum jeder Kammer ändert sich periodisch mit der Drehung des Rotors. The vacuum each chamber periodically varies with the rotation of the rotor. Dadurch wird die Luft angesaugt. Thus, the air is sucked. Sie strömpt durch den Ansaugstutzen und gelangt in den Schöpfraum. You strömpt through the intake manifold and into the pump chamber. Durch den sich weiterdrehenden Rotor trennt der Schieber den Schöpfraum vom By further rotating rotor, the slide separates the suction chamber from

Ansaugstutzen, die Luft wird komprimiert und durch den Auspuffstutzen aus dem Schöpfraum gedrückt. Intake manifold, the air is compressed and pushed through the exhaust outlet from the pump chamber.

Diese Drehschieberpumpen sind durch den hohen benötigten Luftdurchfluß bei Melkanlagen trotz Schalldämpfer lärmintensiv, sodaß insbesondere bei im verbauten Ortsgebiet befindlichen Melkanlagen sich der Lärm sehr störend auswirkt. These rotary vane pumps are the high air flow needed for milking noise intensively despite silencer, in particular so that the noise impact at present in the built-up urban area milking very disturbing. Die Schmierung dieser beschriebenen Drehschieberpumpen erfolgt in der Regel meist mit öl, das sich umweltbelastend und kostenaufwendig erweist, ebenso entsteht durch die Reibung der Schieber in der Pumpe Wärme, die ungenützt an die Umgebung und über Auspuff abgegeben wird. The lubrication of these rotary vane pumps described is usually done mostly with oil, which proves to be harmful to the environment and costly, as created by the friction of the slide in the pump heat that is emitted unused into the environment and exhaust.

Erfindungsgemäß werden diese Nachteile dadurch behoben, daß der Ausgleichsbehälter der Vorrichtung direkt an eine Melkanlage oder Milchbehandlungsanlage angeschlossen ist, daß die Flüssigkeitspumpe durch beim jeweiligen im wesentlichen von Ventilen gesteuertem abwechselndem Abpumpen der Flüssigkeit aus Behältern, die in diesen entstehenden flüssigkeitslosen Räume vergrößert und dadurch Vakuum entsteht und daß ein Wärmetauscher im Flüssigkeitskreislauf zur nutzbringenden Wärmeentnahme eingebaut ist. According to the invention these disadvantages are overcome by the fact that the expansion tank of the apparatus is directly connected to a milking plant or milk treatment plant in that the liquid pump characterized vacuum is created by essentially of valves controlled during respective alternate pumping of the liquid from containers which increased in this emerging liquid-free spaces and and that a heat exchanger is installed in the liquid circuit to the beneficial heat extraction.

Diese Vorrichtung oder Teile davon sind zweckmäßigerweise mit einer Wärmeisolierung versehen. This device or parts thereof are advantageously provided with a thermal insulation. Weiterhin besteht die Möglichkeit daß ein Ventil bedarfsweise die Flüssigkeiten aus den Behältern verbindet, um eine Vakuumreduzierung zu erreichen. Furthermore, there is the possibility that a valve, if required, connects the liquids from the containers, in order to achieve a vacuum reduction. In einer geeigneten Ausführung sind Leitungen zur Eigenwärmeentnahme von der Pumpe durch die Flüssigkeit angeordnet. In a suitable embodiment, lines for sensible heat removal from the pump through the liquid are arranged.

Eine bevorzugte Ausführungsform ist in der Zeichnung dargestellt und wird im folgenden anhand der Zeichnung näher beschrieben, weiche eine schematische Darstellung der Vorrichtung zeigt. A preferred embodiment is shown in the drawing and will be described below with reference to the drawing, soft a schematic representation of the apparatus.

Die Vorrichtung umfaßt im wesentlichen eine handelsübliche Flüssigkeitspumpe 1 deren Antriebskraft verschieden sein kann, die in der Vorrichtung als elektrobetrieben dargestellt ist, weiche die Flüssigkeit abwechselnd aus bzw. in die festwandigen Flüssigkeitsbehälter 2 und 3 pumpt. The apparatus essentially comprises a standard fluid pump 1 whose driving force can be different which is shown in the device as an electromechanical operated, the liquid soft alternately from or pumped into the solid wall liquid container 2 and 3. FIG. Die durch den Pumpvorgang entstehende Wärme in der Pumpe 1 wird nutzbringend entzogen. The resulting by the pumping action in the heat pump 1 is usefully withdrawn. Die Flüssigkeit kann zweckmäßigerweise mit gleitfördemden, rost- und frosthemmenden Mitteln aufbereitetes Wasser sein. The liquid can be expediently with gleitfördemden, rust and frost-inflammatory agents treated water.

Ein Behälter 4 dient zur Vakuumstabilisierung. A container 4 is used for vacuum stabilization. Im Wärmetauscher 5 wird die im System vorhandene Wärme entzogen, auch im Bedarfsfall über Heizeinrichtung 27 zugeführt In the heat exchanger 5, the heat is extracted from existing in the system, also supplied when necessary via heater 27

Das Mehrwegeventil 6 besteht im wesentlichen aus dem Gehäuse, einem Kolben 24, der die Flüssigkeitsleitungen verbindet und der von den Steuerungskolben 22 und 23 bei Oberdruck hin und her bewegt wird aber nicht fix verbunden ist. The multi-way valve 6 consists essentially of the housing, a piston 24, which connects the liquid lines and which is moved by the control piston 22 and 23 at top pressure back and forth but is not fixedly connected.

Die Ventile 7 und 8 sind bei Atmosphären- bzw. Überdruck selbständig geschlossen, bei Unterdrück geöffnet. The valves 7 and 8 are closed independently at atmospheric or superatmospheric pressure, open at suppressing. Ventile 9 und 10 sind umgekehrt bei Atmosphären- und Überdruck geöffnet, bei Unterdrück geschlossen. Valves 9 and 10 are reversed and opened at atmospheric pressure, closed in suppressing. Die Schwimmerventile 9a und 10a sind geöffnet, sie werden nur durch die Flüssigkeit, welche die Behälter 2 und 3 abwechselnd befüllt, geschlossen. The float valves 9a and 10a are open, they are closed by the liquid which fills alternately the containers 2 and 3.

Flüssigkeitsführende Leitungen sind mit den Ziffern 11,12,13, 13a, 13b, 14,15, 25, 26, 34 und 35 bezeichnet Vakuum- und Luftleitungen sind mit den Ziffern 16, 17, 18, 20 und 21 bezeichnet. Fluid carrying lines, numerals 11,12,13, 13a, 13b, 14,15, 25, 26, 34, and 35 denotes vacuum and air lines are connected to the points 16, 17, 18, 20 and 21, respectively. Eine Querschnittverminderung 19 dient zur Flüssigkeitsregelung durch Leitung 13a und 13b zur Kühlung des Motors der Flüssigkeitspumpe 1. 28 und 29 sind Leitungen zur Heizeinrichtung 27. Die Ziffern 30, 31, 32, 33, 34 und 35 beziehen sich auf die Vakuumregulierung und 37 auf die Auslaßöffnung der Leitung 18. Um Wärmeverluste gering zu halten ist eine Wärmeisolierung 36 vorgesehen. A cross-sectional reduction 19 is used for fluid control by line 13a and 13b for cooling the motor of the fluid pump 1, 28 and 29 are lines to the heater 27. The numerals 30, 31, 32, 33, 34 and 35 relate to the vacuum regulation and 37 to the 18. In order to keep the outlet opening of the conductive heat losses low thermal insulation 36 is provided. Flüssigkeitskontrolle ist durch Klarsichtleitung 38 gegeben, etwaige Nachfüllung ist über Hahn 39 möglich, jedoch in der Funktion nicht beschrieben. Fluid control is provided by transparent line 38, any refill is possible via valve 39, not described in the function.

Funktionen: 2 Features: 2

Claims (4)

  1. AT 406 108 B Pumpe 1 pumpt Flüssigkeit in der Stellung I (in der Zeichnung dargestellt) des Ventils 6 aus Behälter 2 durch Leitungen 11, 12, 13 sowie 13a und 13b, durch Wärmetauscher 5, Leitungen 14 und 15 in den Behälter 3. In Behälter 3 vorhandene Luft kann über selbsttätige Ventile 9a und 9 durch Leitung 18, Auslaßöffnung 37 entweichen. AT 406 108 B pump 1 pumps liquid in the position I (in the drawing) of the valve 6 from tank 2 through lines 11, 12, 13, and 13a and 13b, through heat exchanger 5, lines 14 and 15 3 in the container In container 3 existing air can escape via automatic valves 9a and 9 through line 18, outlet port 37th Durch das Abpumpen der Flüssigkeit aus Behälter 2 wird der flüssigkeitsbefüllte Raum 2a kleiner und der flüssigkeitslose Raum 2b größer, somit entsteht Vakuum in Raum 2b. By pumping out the liquid from container 2 of the liquid filled space 2a small and the non-fluid space 2b becomes larger, thus creates a vacuum in the space 2b. Dieser Unterdrück wirkt über selbsttätig geöffnetes Ventil 7 (Ventil 10 selbsttätig geschlossen), Leitung 16, Ausgleichsbehälter 4, Leitung 17 in der Melkanlage. This suppressive effect on automatically open valve 7 (valve 10 is automatically closed), line 16, surge tank 4, line 17 in the milking machine. Ist durch den vorher beschriebenen Pumpvorgang der Behälter 3 gefüllt, schließt selbsttätiges Schwimmerventil 9a (Ventil 8 ist selbsttätig geschlossen) die Entlüftungsleitung 18, dadurch entsteht Überdruck in Behälter 3, dieser wirkt über Leitung 20 auf Kolben 22 des Ventil 6, dieser überwindet den Halterwiderstand und bringt Kolben 24 des Ventils 6 in Stellung II. Folge dessen wird durch Pumpe 1 die Flüssigkeit aus Behälter 3, Leitung 15, Ventil 6 (Stellung II), Leitungen 12, 13, sowie 13a, 13b, durch Wärmetauscher 5, Leitungen 14 und 11 in den Behälter 2 gepumpt. Is filled by the previously described pumping process the container 3, automatic float valve closes 9a (valve 8 is automatically closed), the vent line 18, this creates overpressure in container 3, this acts via line 20 to piston 22 of the valve 6, this overcomes the holder resistance and brings piston 24 of the valve 6 is in position II. consequence is pump 1, the liquid from container 3, line 15, valve 6 (position II), lines 12, 13, and 13a, 13b, through heat exchanger 5, lines 14 and 11 pumped into the container. 2 In Behälter 2 vorhandene Luft kann über selbsttätige Ventile 10a und 10,durch Leitung 18, Auslaßöffnung 37 entweichen. In container 2 the air present can escape outlet port 37 using automatic valves 10a and 10, through line 18. Durch das Abpumpen der Flüssigkeit aus Behälter 3 wird der flüssigkeitsgefüllte Raum 3a kleiner und der flüssigkeitslose Raum 3b größer, somit entsteht hier im Raum 3b Vakuum, das in der Melkanlage über selbsttätig geöffnetes Ventil 8 (Ventil 9 selbsttätig geschlossen) Leitung 16, Ausgleichsbehälter 4, Leitung 17 wirkt Ist durch den soeben beschriebenen Pumpvorgang Behälter 2 mit Flüssigkeit gefüllt, schließt selbsttätiges Schwimmerventil 10a (Ventil 7 selbsttätig geschlossen) die Entlüftungsleitung 18, somit entsteht Überdruck im Behälter 2, dieser wirkt über Leitung 21 auf Kolben 23 des Ventils 6. Dieser Kolben 23 drückt auf Kolben 24,dessen Halterungswiderstand wird überwunden und bringt Kolben 24 wieder in Stellung 1 des Ventils 6. Dieser sich wiederholende rhythmische Vorgang des Befüllens und Abpumpens der Flüssigkeit der Behälter 2 und 3 bewirkt eine kontinuierliche Vakuumerzeugung. By pumping out the liquid from the container 3 of the liquid-filled space 3 becomes smaller and the non-fluid space 3b is larger, thus created here in the space 3b vacuum (automatically closed valve 9) in the milking parlor over automatically open valve 8 line 16, surge tank 4, line 17 acts is filled with liquid by the just-described pumping process container 2, automatic float valve closes 10a (valve 7 closed automatically) the vent line 18, thus creates overpressure in the container 2, this acts via line 21 to piston 23 of the valve 6. this piston 23 presses on piston 24, its supports resistance is overcome and brings piston 24 back to position 1 of the valve 6. This repetitive rhythmic process of filling and pumping the liquid of the containers 2 and 3 results in a continuous vacuum. Die durch Pumpe 1 entstehende Wärme wird als Abwärme einerseits über Pumpenteile im Pumpengehäuse und andererseits durch das Umspülen der Flüssigkeit über Leitung 13a und 13b des Motorblockes an diese abgegeben. The resulting pump 1 by heat is released as waste heat on the one hand on the pump parts in the pump housing and on the other hand, by the rinsing of the liquid through line 13a and 13b of the engine block to this. Die Wärme dieser erwärmten Flüssigkeit wird über Wärmetauscher 5, Leitung 25 und 26 nutzbringend entzogen. The heat of the heated liquid is withdrawn useful heat exchanger 5, line 25 and 26th Eine ergänzende Möglichkeit der Wärmezufuhr ist durch Heizeinrichtung 27 über Anschlüsse 28 und oder 29 gegeben. An additional possibility of supplying heat is given by the heater 27 via terminals 28 and or 29th Die Regelung der Vakuumhöhe des beschriebenen erzeugten Vakuums erfolgt entweder durch gesteuerten Lufteinlaß in Ventil 30 und oder durch öffnen u. The regulation of the vacuum level of the vacuum produced described is accomplished either by controlled air inlet to valve 30 and by opening or u. Schließen durch von Fühler 31 und Fühlerleitung 32 beeinflußten Ventils 33, das die Flüssigkeit in Behälter 2 und 3 mittels Leitungen 34 und 35 verbindet, in der Folge durch die vorherrschende Druckdifferenz in den Behältern 2 und 3 ein Flüssigkeitsfluß entsteht, der die Menge des erzeugten Vakuums und in der Folge die Vakuumhöhe beeinflußt. Close by from sensor 31 and sensor cable 32 affected valve 33 which connects the fluid in containers 2 and 3 by means of lines 34 and 35, 2 and 3, a fluid flow generated as a consequence by the prevailing pressure difference in the containers, the amount of vacuum produced and subsequently affect the vacuum level. Die erfindungsgemäße Neuerung bietet auch die Möglichkeit, daß die erwärmte Flüssigkeit zur Nutzung entnommen und ersetzt wird. The novelty of the invention also offers the possibility that the heated fluid is taken for use and replaced. Patentansprüche: 1. Vorrichtung zur Vakuumerzeugung in einer Melkanlage oder Milchbehandlungsanlage, im wesentlichen bestehend aus einer Flüssigkeitspumpe zur Druckerzeugung und Erwärmung der Flüssigkeit, Flüssigkeitsbehältem zur Flüssigkeitsaufnahme und -abgabe, Ventilen und Leitungen zur Wegsteuerung der Druckmedien und Druckregelung, einem Ausgleichsbehälter zur Vakuumstabilisierung, Isolierung gegen Wärmeveriust sowie einem Wärmetauscher zur Wärmeentnahme, dadurch gekennzeichnet, daß der Ausgleichsbehälter (4) der Vorrichtung direkt an eine Melkanlage oder Milchbehandlungsanlage angeschlossen ist, daß die Flüssigkeitspumpe (I) durch beim jeweiligen im wesentlichen vom Ventil (6) gesteuerten Abpumpen der Flüssigkeit aus den Behältern (2) oder (3) die Räume 2b) oder 3b) vergrößert und dadurch zur Vakuumerzeugung dient; 1. A device for generating a vacuum in a milking or milk treatment plant, essentially consisting of a liquid pump for generating pressure and heating of the fluid, Flüssigkeitsbehältem for liquid absorption, valves and lines for the path control of the print media and pressure control, a surge tank to the vacuum stabilization, insulation against Wärmeveriust as well as a heat exchanger for heat removal, characterized in that the compensation tank (4) of the device is directly connected to a milking plant or milk treatment plant in that the liquid pump (I) by controlled at respective substantially from the valve (6) pumping the liquid from the containers (2) or (3) increases the spaces 2b) or 3b) and thereby serves to generate a vacuum; und daß der Wärmetauscher (5) im Flüssigkeitskreislauf zur nutzbringenden Wärmeentnahme eingebaut ist. and that the heat exchanger (5) is incorporated in the liquid circuit to the beneficial heat extraction.
  2. 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet , daß die gesamte Vorrichtung oder Teile dieser eine Wärmeisolierung (36) aufweist. 2. Device according to claim 1, characterized in that the entire device or parts thereof a thermal insulation (36). 3 AT 406 1 08 B 3 AT 406 1 08 B
  3. 3. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß ein Vakuumreduzierventil (33) in die Flüssigkeitsleitungen (34, 35) zwischen den Behältern (2) und (3) eingesetzt ist, um eine Vakuumreduzierung zu erreichen. 3. Device according to claim 1, characterized in that a Vakuumreduzierventil (33) in the fluid lines (34, 35) between the containers (2) and (3) is used to achieve a vacuum reduction.
  4. 4. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Leitungen (I3a) und 13b) 5 zur Eigenwärmeentnahme von der Pumpe (1) durch die Flüssigkeit angeordnet sind. 4. The device according to claim 1, characterized in that the lines (I3a) and 13b) 5 are disposed (for sensible heat removal from the pump 1) through the liquid. Hiezu 1 Blatt Zeichnungen 10 15 20 25 30 35 40 4 Hiezu 1 sheet drawings 10 15 20 25 30 35 40 4
AT93298A 1998-05-29 1998-05-29 Vacuum generation for milking installations AT406108B (en)

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US8590488B2 (en) 2010-08-31 2013-11-26 Technologies Holdings Corp. Vision system for facilitating the automated application of disinfectant to the teats of dairy livestock
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US9888664B2 (en) 2010-08-31 2018-02-13 Technologies Holdings Corp. Automated system for applying disinfectant to the teats of dairy livestock
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