RU2230700C2 - Method of and device for saturation of liquid with gas and dispensing of liquid - Google Patents

Abstract

FIELD: food industry; preparation and dispensing of carbonated beverages.

SUBSTANCE: proposed method includes saturation of liquid with gas and dispensing of liquid at changing of liquid temperature in container by delivering excess pressure under liquid surface. Device for implementing said method is proposed. Mechanical stirring of liquid is provided by impeller with nozzles over which heat exchanger is located installed for rotation relative to vertical axle in plane square to said axle when gas from excess pressure source is delivered through nozzles.

EFFECT: increased efficiency owing to provision of effective saturation of liquid with gas and heat exchange inside container, reduced energy consumption for dispensing of liquid.

3 cl, 2 dwg

Description

The invention relates to the food industry and can be used in the preparation and distribution of carbonated drinks and other liquids.

The well-known automatic machine for water distribution AB-3.00.000 PS, “Automatic machine of type AV-3 for water distribution”, M., PO “Toros”, 1991, [1], containing a tank of water cooler, a refrigeration unit with a coil, a source of excess carbon dioxide pressure mixing chamber. In a known machine, the liquid is sequentially cooled and gas saturated, and the finished liquid is dispensed by excess water pressure from an external source.

A disadvantage of the known method and device is that the technological processes of cooling and aerating water are carried out sequentially and independently, and for the distribution of the liquid an external source of water pressure is required, and the device contains several tanks interconnected by a large number of ballasts. In addition, the ineffective operation of the heat exchanger reduces the productivity of water preparation.

A known method of simultaneous carbonation and cooling of a liquid and a device for its implementation (patent No. 2051866 from 01.10.1996, [2]), which consists in the introduction of carbon dioxide at elevated pressure under the surface of the liquid, the passage of carbon dioxide through the liquid and forced circulation, not dissolved parts of carbon dioxide sequentially in a closed circuit through a compressor, a refrigerator and again under the surface of the liquid. A device that implements the above method comprises a closed container with holes for supplying and dispensing liquid, a closed pipeline for supplying carbon dioxide, connected in series with the top of the tank, compressor, refrigerator and the bottom of the tank.

The disadvantage of this method is the use for gas saturation and liquid cooling of a fixed source of carbon dioxide of high pressure, which leads to a large consumption of carbon dioxide for gas saturation, and to reduce the consumption of carbon dioxide requires a closed cycle of using carbon dioxide. A device for implementing this method contains a series-connected compressor, which increases the pressure of carbon dioxide and its temperature and a refrigerator, which should reduce this temperature. The simultaneous use of a refrigerator and compressor leads to high energy consumption, reduces the efficiency of the device, which makes the application of the known method and gas saturation device ineffective.

The known method and device can be taken as a prototype.

An object of the invention is to increase efficiency by increasing the efficiency of gas saturation and heat transfer inside the tank and reducing energy consumption for the distribution of liquid from the tank.

The specified technical problem is solved by applying a method of gas saturation and distribution of liquid, including simultaneous gas saturation and changing the temperature of the liquid in the tank by introducing excessive gas pressure under the surface of the liquid, characterized in that the liquid is mechanically mixed through the use of an impeller with nozzles above which a heat exchanger mounted with the possibility of rotation about an axis parallel to the vertical axis of the container, in a plane perpendicular to this axis, with ostuplenii through its gas nozzle from the source of excess pressure, and is used for dispensing liquids ^from a gas overpressure on the liquid surface.

The specified technical problem is also achieved by the fact that in the device for gas saturation and distribution of the liquid containing a source of excess gas pressure, distribution equipment, a liquid container, a temperature changing device with a heat exchanger and a suction tube, characterized in that inside the container on a stationary hollow axis parallel to the vertical the impeller axis, with the possibility of rotation in a plane perpendicular to the hollow axis, an impeller with nozzles is fixed, the internal cavities of which communicate with the axis cavity and the source zbytochnogo pressure gas and the lower end of the suction tube and the heat exchanger are installed above the impeller nozzles.

It is the claimed elements, their design and relative positioning that according to the method provide efficient gas saturation of the liquid, its active heat transfer and distribution of the liquid from the tank after it reaches the desired consumer properties using a single source of excess gas pressure and thereby achieving the technical objective of the inventions. This allows us to conclude that the claimed invention are interconnected by a single inventive concept.

To implement this method, the device shown in figure 1; figure 2 shows a section aa in figure 1.

A device for gas saturation and distribution of liquid consists of a container 1 with a neck 2 and a pipe 3 with a valve 4. The container 1 is closed by a cover 5 with an opening on which a hollow axis 7 is installed inside the container parallel to its vertical axis 6. A sleeve 8 is fixed to the end of the hollow axis 7 having an opening 9. An impeller 10 with nozzles 11 is fixed on the sleeve 8 with the possibility of rotation (Fig. 2). The internal cavity of the axis 7, the hole 9 of the sleeve 8 and the nozzle 11 are in communication. Inside the tank 1, a sampling tube 12 is installed, the lower end of which 13 is located above the nozzles 11 of the impeller 10, and the upper end leaves the tank 1. In the tank 1, a heat exchanger 14 is placed above the nozzles 11 of the impeller 10. The sealed inlet and outlet of the heat exchanger 14 are connected to a change device temperature, for example with a refrigeration unit (not shown).

The device operates as follows.

Before starting operation of the device, the container 1 is filled with liquid to the level of the pipe 3, the outlet of the intake pipe 12 is closed by distribution equipment (not shown). In our example, the refrigerant is supplied from a refrigeration unit (not shown) inside the heat exchanger 14, the temperature of the liquid inside the tank 1 is reduced. From the overpressure source and distribution equipment (not shown) carbon dioxide through the hole in the cover 5, the hollow axis 7, the hole 9 of the sleeve 8 enters the nozzle 11 of the impeller 10, which begins to rotate on the axis of the sleeve 8, mechanically mixing the liquid. A part of the compressed (in this case, carbon dioxide) released from the nozzles 11 passes through the liquid layer in the tank 1, further mixing the liquid, and dissolves in it. The undissolved part of carbon dioxide is released on the surface of the liquid, providing excessive gas pressure above the surface of the liquid. The continuity of rotation of the impeller 10 is ensured by the discharge of carbon dioxide from the tank 1 through the valve 4. Mechanical mixing of the liquid by the impeller 10 and additional mixing of the liquid by sparging with the gas released from the nozzles 11 of the impeller 10 ensure the movement of the resulting liquid flow to the surface of the heat exchanger 14, which ensures active heat exchange of the liquid with heat exchanger, quickly reduces the temperature of the liquid and leads to additional gas saturation of the liquid.

Upon reaching the required consumer properties of the liquid (provided by controlling the time parameter), the supply of carbon dioxide with the help of distribution equipment (not shown) is stopped, valve 4 is closed, providing excessive gas pressure above the surface of the liquid. The distribution of liquid from the tank 1 is carried out through the tube 13 by excess gas pressure on the liquid.

Claims (2)

1. The method of gas saturation and distribution of the liquid, including simultaneous gas saturation and changing the temperature of the liquid in the tank by introducing excessive gas pressure under the surface of the liquid, characterized in that they carry out mechanical mixing of the liquid through the use of an impeller with nozzles, above which a heat exchanger mounted for rotation relative to the axis parallel to the vertical axis of the tank, in a plane perpendicular to this axis, when there is excess gas coming through its nozzle from the source pressure, and for the distribution of liquid using excessive gas pressure on the surface of the liquid. 2. A gas saturation and liquid distribution device, comprising a source of excess gas pressure, distribution equipment, a liquid container, a temperature changing device with a heat exchanger, and a liquid distribution pipe, characterized in that inside the container on a fixed hollow axis parallel to the vertical axis of the container, with the possibility of rotation in a plane perpendicular to the hollow axis, an impeller with nozzles is fixed, the internal cavities of which communicate with the axis cavity and the source of excess gas pressure, and the lower the end of the intake pipe and the heat exchanger are mounted above the impeller nozzles.

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