SU1237158A1 - Apparatus for preparing and portional dispense of aerated water - Google Patents

Description

I

Isofetaine from} yugits to the food industry, namely, to devices for the preparation and batch delivery of carbonated beverages.

The purpose of the invention is to reduce gas losses by reducing the volume of gas under the piston during the preparation of a beverage, with improved hydrodynamic conditions for mass transfer.

The drawing shows schematically; an apparatus for preparing and batch dispensing carbonated water.

The device comprises a metering pump 1 with a metering cavity 2 and a bypass cavity 3 consisting of the upper 4 and lower 5 cylinders, a jet nozzle 6 located in the upper part of the cavity 7 made in the rod and the piston 8 along their axis. The nozzle 6 is installed coaxially with the cylinders 4 and 5. The device also contains a check valve 9, a cup 10, sealed, but mounted on the metering pump so that the piston 8 of the metering pump 1 is located in the inner cavity of the cup 10, which communicates through solenoid valves 11 and 12 with a gas supply pipe 13 and a pipe 14 for dispensing carbonated beverage. The device also has valves 15 and 16, sensors 17 and 18, a check valve 19 and a reservoir 20 with a gas to be aerated.

The device works as follows.

In the initial position, the piston In the metering pump 1 is in its extreme upper position. At the signal of the consumer, the solenoid valves 12 and 15 open. In this case, gas enters the glass 10 and the piston 8 starts to move downward under the action of gas pressure, creating a rarefaction in cavity 2. The liquid from the reservoir 20 through the shaped valve 19 enters the metering cavity 2 of the metering pump. Reaching the edge}) of its lower position, the piston 8 acts on the sensor 17, which sends a signal to the closure of the solenoid valves 12 and 15 and the opening of the solenoid valves 11 and 16. As a result, carbon dioxide from the glass 10 through the valve 11 and the pipe 14 for dispensing carbonated beverage is emitted into the atmosphere through a valve; sixteen

t13

20

25

35

40

dh

1382

the gas enters the lower qi, peak 5 of the bypass cavity 3 of the metering pump 1.i A differential pressure is created between the metering 2 and the bypass 3 cavities, under the action of which the liquid from the cavity 2 through the check valve 9 and the jet nozzle 6 rushes into the bypass cavity 3 Cylinder 5 is quickly filled with a liquid into which a gas is injected with a jet flowing out of the nozzle 6. In this case, a dynamic two-phase layer with a developed and continuously updated contact surface of the phases is formed in the cylinder 5. Maes exchange occurs both when the jet moves (or its decay products) in a gaseous environment and in a gas-distributing layer, creating a jet in the cylinder 5. As the piston 8 moves upwards, the saturated liquid accumulates in the cavity 3. top position., The piston rod acts on the tSj sensor which gives a signal to close the solenoid valves 11 and 16. The drink is ready for you

At the signal of the consumer, the solenoid valves 12 and 15 are opened and the finished beverage from the overflow cavity 3 is discharged into the glass to the consumer. The operation of the metering pump is repeated.

Installing the lower cylinder 5 of a smaller diameter in the overflow cavity 3 reduces the initial clearance of the piston and the bottom of the metering pump to zero, which leads to a decrease in the volume of gas under the piston that is discharged into the atmosphere, i.e. to reduce its losses. The combination of the installation of cylinder 5 with the placement of the nozzle 6 in the upper part of the cavity 7, ensures the reduction of the volume of the active zone (the gas-liquid layer) of the device, and hence the average volumetric gas content in the bypass cavity. In this case, a two-phase well is formed not in the entire volume of the overflow cavity, but only in cylinder 5. This allows significantly (proportional to the ratio of squares of cylinder diameters 4 and 5) to weaken the effect of swelling of the mixture during the preparation of the drink, i.e. improve hydrodynamic conditions of mass transfer.

20

Drink i.

Editor A. Ogar

Compiled by A. Sokolov

Tehred And, Veres Proofreader - Maksimishinets

Order 3216/4 Circulation 543 Subscription

VNIIGSh of the USSR State Committee

for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5

Production and printing company, Uzhgorod, st. Project, 4

Claims (1)

DEVICE FOR PREPARATION AND PORTION OF DISPENSED WATER, containing a dos dispenser with dispensing and bypass cavities, a piston, a mixing organ in the form of a nozzle with a valve installed inside the piston rod of the dispensing pump, a hermetically sealed nozzle with a piston rod inserted into the inner cavity of the nozzle. , water and gas supply pipelines with a distribution valve system and a beverage dispensing pipeline, characterized in that, in order to reduce gas losses by reducing the volume of gas Under the piston during If the drink is used to improve the hydrodynamic conditions of mass transfer, the bypass cavity is formed by two cylinders of different diameters, arranged coaxially so that a cylinder of a smaller diameter is mounted under a cylinder of a larger diameter, while a cavity is made in the piston and its rod along their axis, and the nozzle located at the top of the latter coaxially to the cylinders. >