DE3245943A1 - METHOD FOR LEARNING LOW FRESH MILK IN MEASURED QUANTITIES DIRECTLY TO THE CONSUMER, AND AN EXHAUST VALVE FOR CARRYING OUT THE METHOD - Google Patents

Description

The invention relates to a method for low-foam dispensing loose fresh milk in measured quantities to the consumer of the type specified in the preamble of claim 1, as well as an exhaust valve to carry out the procedure.

When selling Idser fresh milk directly to the consumer important rules and regulations must be taken into account in order to enable bacteriologically perfect milk distribution. For example, the consumer bottle placed under the outlet valve do not come into contact with the outlet valve for milk withdrawal, a transfer of harmful germs to the consumer bottle to prevent the filling system. A sufficient distance must therefore remain between the valve and the consumer bottle. the end For this reason, the known exhaust valves, as they are in the automatic Rotary bottle filling devices are not used be used because there the outlet valves when filling on the bottle opening sit up tightly. In addition, the displacement air that occurs during filling is sucked off with a pump.

When using normal open-close valves as exhaust valves, however, already in the shut-off zone and after leaving the valve there is such a strong foam formation that the milk overflows whereby the consumer bottle as well as the filling level is contaminated. In addition, the bottles are filled with too little, i.e. after lowering the foam, the specified minimum amount is not reached. If the fresh milk to be dispensed is under pressure, the formation of foam when exiting the valve is considerably increased.

The invention has now the task of the Abqabe of loose fresh milk, taking into account existing regulations, low-foaming and gentle as well as bacteriologically perfect into the to be filled into the consumer bottle. Furthermore, the filling station should be kept clean by preventing over-foaming and should be denser Filling sequence are made possible.

According to the invention this object is achieved by the in the characterizing Part of claim 1 expressed process features as well as by the AusIaBvuntil proposed to exercise the procedure.

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The at ηεπΎopened valve accretendο to a Keqelmantel Shaped milk jet ensures that the milk does not fall freely hits the bottom of the bottle or the rising milk level, which would lead to increased foam formation, but rather that it is as a milk cone all around geqen the bottle wall and runs down this, whereby any foam formation does not occur. LJm too a foam formation due to the destruction of the milk cone resulting in the flowing out To prevent air displaced from the consumer bottle, either the milk cone is through one or more ventilation slots interrupted through which the air can flow freely or the outlet valve has appropriate ventilation holes.

To carry out the procedure, an outlet valve is proposed, whose seat part and closure piece widen conically from the valve stem to the outlet, with the in the open position existing passage between seat part and closure piece

towards the outlet becomes continuously narrower in such a way that the opening cross-section Over the entire length of the Durchlaßöffnunq remains approximately the same, so that the milk the valve with constant Speed happens.

For the discharge of the air displaced from the consumer bottle, an in the conical passage opening protruding nose be provided, which leaves a slit-like ventilation opening in the milk cone. In practice it has proven to be useful to provide at least two noses in order to ensure adequate ventilation. The alternative is regarded as particularly advantageous, which consists in that the closure piece with a valve stem has continuous flow leading to the displacement air to the outside.

Further advantages and features are described in the following description in connection with the accompanying drawing.

In the calibration are two exemplary embodiments of the to exercise of the specific outlet valve process. Show it:

Fiq. 1 shows an exhaust valve in longitudinal section, FIG. 2 the outlet valve according to Fiq. 1 seen from below

BATHROOM

Fiq. 3 shows a further embodiment form of the exhaust valve and FIG. k the outlet valve according to Fiq. 3 seen from below. The exemplary embodiments show a compressed air-operated outlet valve consisting of a housing 1 with seat part 2 and locking piece 3 with valve stem 4, which carries a pneumatic piston 5 to which compressed air is applied on the side facing the locking piece. The valve is opened with compressed air and closed by the force of a spring S. The inlet is designated by 7, through which the fresh milk is supplied from a measuring vessel. The illustration of the measuring vessel and the storage container supplying the fresh milk have been omitted for the sake of clarity.

According to the invention, the seat part 2 has an outwardly widening keqel surface 8, which is likewise keqeliqen with the surface 9 of the closure piece 3 corresponds. The keqeliqen surfaces of parts 2 and 3 are used only for the shape of the Valve flowing through the milk stream. For blocking and sealing At the end of the valve, the closure piece carries a D-Rinq 1Ü which is let into a groove. The conical 'surfaces of parts 2 and 3 do not come into contact even in the closed position.

2D The surfaces 8 and 9 form in the open position of the valve a conical outflow channel 11, from which the milk flowing through the valve as a rinqsum closed (Fiq. 1) or with a or several passages provided (Fig. 2) cone jacket 12 flows out. To achieve a homogeneous even flow of the milk - what contributes significantly to foam suppression - is that Outflow channel 11 in the open position of the valve from valve stem 4 continuously narrowing towards the outlet in such a way that that there is a constant opening cross-section.

For the low-foam transfer of milk to the consumer bottle

3D 13 lies the milk cone 12 formed by the valve on the Inner wall of the bottle 13 and runs down this until the full amount of milk dosed in the measuring vessel has run into the bottle. LJm to prevent the air displaced when filling the bottle from destroying the milk cone as it flows out, which also leads to a Would lead to foam formation, is according to the exemplary embodiment Fiq. 1 and 2 the closure piece 3 together with the valve stem 4 provided with a Lntlüftunqshohrung 14, which is on the closure

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piece facing side opens into the open. The booths 15 of the closure piece 3 is shaped like a funnel inward for better air flow. The arrow 16 indicates the direction in luelcher die Air flowing away.

b According to the embodiment of FIG. 3 and k Uird for the discharge of air, the milk cone 12 through a slot-like Auslaßäff nunq interrupted 17 to destroy by uielche the displaced air without the milk can flow freely from conical outside. In practice, e3 has proven to be efficient, the milk cone by two bzui. to interrupt three outlet slots. The outlet slots 17 are brought about by lugs 1 3 provided on the conical surface 8 of the seat part 2, which protrude into the outflow channel 11. The lugs 18 can of course also be provided on the closure piece 3.

Claims (2)

Bremerland ·: ': .- ■; :. December 07, 1982 Process for the low-foam dispensing of loose fresh milk in measured quantities Quantities directly to the consumer as well as an outlet valve for implementation of the procedure Claims [ 1.j method for low-foam delivery of laser fresh milk in measured quantities, which is delivered from a storage container via a measuring vessel and an outlet valve into a consumer bottle placed at a distance below the outlet valve in the receiving position, characterized in that a) the outlet valve closes the milk flowing out or almost closed, flow radially outwards and downwards -... the conical ring beam (milk cone) (12) forms, which against the Inner wall of the consumer bottle (13) is directed, 1D b) the milk the outlet valve in the area of the cone zone with approximately constant flow rate flows through and c) which is when filling the consumer bottle (13) under the outlet valve collecting displacement air is guided to the outside via one or more ventilation openings (14, 17). 2. The method according to claim 1, characterized in that the ventilation openings through one or more slot-like outlet openings (17) are formed in the outflowing milk cup (12). 3. Outlet valve for performing the method according to the claims 1 and / or 2, consisting of a gauze with inlet port, Seat part and closure piece with valve stem guided in the housing, characterized in that a) the seat part (2) and the closure piece (3) expand from the valve stem (k) to the outlet and keqelförmio b) in the valve opening position of the cone-shaped outflow channel (11) between seat part (2) and sealing piece (3) towards the outlet narrowed in such a way that the opening cross-section over the entire Length of the keqelförmiqe outflow channel (11) approximately the same remain. -Z- k. Outlet valve according to claim 3, characterized in that the conical surface (9) of the closure piece (3) in l / increase with the conical surface (8) de :? Seat part, which is used to shape the exiting milk jet, while an elastic sealing ring (D-ring) (10) partially embedded in a groove is arranged on the seat part (2) or closure piece (3) for blocking. 5. Exhaust valve according to one of the several claims 1 to k, characterized in that on the seat part (2) the closure piece (3) in the area of the milk outlet is provided with one or more noses (16) protruding into the keqeliqen outflow channel (11), which are slit-like outlet openings (12) on the outflowing milk cone (12). 17) left behind. 6. Outlet valve according to one or more of the claims 1 to ^ ₁ characterized in that a central duct (14) passing through the closure piece (3) and the valve stem ('+) is provided for the discharge of the air displaced when the consumer bottle (13) is filled. 7. Outlet valve according to claim S, characterized in that the bottom (15) of the pierced closure piece (3) is funnel-shaped is curved inwards.