JPS5919265Y2 - Semi-frozen drinking water production equipment - Google Patents

Description

[Detailed description of the invention] This invention cools liquid raw materials such as yogurt and orange juice in a heat exchange tank equipped with a cooler, and slushes the liquid raw materials while stirring them by the rotation of a rotary blade. This relates to a semi-frozen drinking water manufacturing device that produces half-frozen drinking water (drinking water containing ice grains), and in particular, it increases the volume by inserting air bubbles into the semi-frozen drinking water taken out by opening a valve mechanism. (For example, fresh cream, ice cream, etc.) It is related to the overrun mechanism.

Generally, some semi-frozen drinking water producing apparatuses mix air bubbles into drinking water for the purpose of obtaining an overrun effect.

This overrun effect increases the volume of drinking water by the amount of air bubbles mixed in with it, increasing the cost and visual appeal of the drink. However, in conventional semi-frozen drinking water production equipment that has this kind of effect, the structure for mixing air bubbles into drinking water is extremely complicated, and the equipment itself is An increase in costs due to an increase in size or an increase in the number of parts cannot be avoided.

The present invention was devised in order to eliminate the above-mentioned drawbacks, and relates to a semi-frozen drinking water producing apparatus which is designed to produce an overrun effect with an extremely simple structure.

A detailed explanation will be given below using an example shown in the drawings.

1 is a main body equipped with a heat insulating material 4 in which a room for accommodating a liquid storage tank 2 for storing yogurt, orange juice, etc. and a room for accommodating a heat exchange tank 3 are partitioned.
Between this rear wall and the heat insulating material 4, a compressor 5, a condenser 6, a drive motor 7, a cooling fan 9 attached to a motor shaft 8 of this drive motor 7, and a driving force of the motor 7 are connected to a rotary blade body 10. A power transmission mechanism 12 for transmitting power to the rotating shaft 11 is provided.

The rotary blade body 10 has a lattice shape, and has the function of scraping off the water layer formed on the inner wall of the heat exchange tank 3 during rotation and stirring the drinking water.

Reference numeral 13 denotes a cooler attached to the outer circumferential surface of the heat exchange tank 3, and is formed by embedding an evaporation pipe 14 in a cylindrical body with good thermal conductivity.

The cooler 13 forms a cooling cycle together with the compressor 5, condenser 6, etc., to cool the drinking water in the heat exchange tank 3 and to freeze the drinking water near the inner wall surface of the heat exchange tank 3. It works.

Reference numeral 15 designates a lid member that is fixed to the front surface of the main body 1 with screws or the like and closes the opening of the heat exchange tank 3 at the front surface of the main body 1. A valve port 17 that directly communicates with the exchange tank 3 at one end, and a vertically elongated discharge port 18 that communicates with the other end of the valve port 17 through a side surface and has an open lower end.
A valve body 19 is provided in the discharge port 18 so as to be movable up and down to open and close the valve port 17, and a lid member 15 is attached to the valve body 19.
One end is locked through the insertion hole 20 provided in the lid member 1
5, and a nozzle 23 attached to the lower end opening of the discharge port 18.

Therefore, when the lever 22 is operated in the direction of the arrow A or B, the valve body 19 moves up and down to open and close the valve port 17.

24 is a pipe erected to protrude into the liquid storage tank 2 from the joint between the liquid storage tank 2 and the heat exchange tank 3, and this lower side wall has a cross-sectional area smaller than the cross-sectional area A of the pipe 24. An appropriate number of small holes 25 having a diameter (A>
a), its tip always protrudes above the surface of the reservoir;

Now, if Dec is extracted from the valve port 17, Fcc (D=F) will naturally flow into the heat exchange tank 3.
At this time, F is the amount W1 flowing from the small hole 25 and the amount W1 flowing from the pipe 24.
It is equal to the sum of the amount W2 of the raw material contained in the pipe 24 in advance and the amount G sucked in from the pipe 24.

That is, Wl is extremely small compared to F, and after W2 has completely flowed, it cannot be compensated for by W1. Therefore, the amount of air G that cannot be compensated for will flow into the heat exchange tank 3 through the pipe 24.

Therefore, air flows into the heat exchange tank 3 and the rotary blade body 10
Air bubbles are mixed into the semi-frozen drinking water by the stirring action of , and the volume increases by the amount of air bubbles.

In addition, α, β, and γ represent the liquid level of the liquid storage tank 2, and α
When is the water level when the water is full, β is the water level when drinking water is extracted once, and γ is the raw material replenishment water level, of course W2 and Wl will change depending on the number of times semi-frozen drinking water is extracted, and the overrun rate will also change. , this is a cyclic change between α and γ, and always falls within a certain range.

Moreover, the larger the volume of the heat exchange tank 3 is, the smaller the change in the overrun rate becomes.

Figure 4 is a diagram showing changes in the overrun rate of each part, where ■ is the overrun rate of D, ■ is the overrun rate of F,
[Phase] indicates the water level.

As described above, the present invention provides a pipe that protrudes into the liquid storage tank from the connection part between the liquid storage tank and the heat exchange tank,
The upper end of this pipe is always opened above the liquid level in the liquid storage tank, and an appropriate number of small holes with a diameter smaller than the hole diameter of the pipe are bored in the lower part of the side wall of the pipe. Not only can the marketability of drinking water be improved by the overrun effect, but also the structure is extremely simple, as it only requires a pipe with a small hole in the lower side wall to be installed upright inside the liquid storage tank. This has the remarkable effect of reliably mixing air bubbles into drinking water.

[Brief explanation of the drawing]

Fig. 1 is an external perspective view of the device of the present invention, Fig. 2 is a side cross-sectional view of the device of the present invention, Fig. 3 is an explanatory diagram of the operation of the device of the present invention, and Fig. 4 is an illustration of the operation of the device of the present invention.
The figure shows changes in each part of the overrun rate. 2: Liquid storage tank, 3: Heat exchange tank, 13: Cooler, 1
6: Valve part, 24: Pipe, 25: Small hole.

Claims (1)

[Scope of utility model registration request] a heat exchange tank including a cooling means and a valve mechanism for discharging semi-frozen drinking water; a storage tank for supplying raw liquid to the heat exchange tank;
In a semi-frozen drinking water producing device comprising a rotary impeller that is rotatably provided in the heat exchange tank and has the function of scraping off an ice layer formed on the inner wall of the heat exchange tank during rotation and stirring the drinking water. , a pipe is provided that protrudes into the liquid storage tank from the joint between the liquid storage tank and the heat exchange tank, and the upper end of this pipe is always opened above the liquid level in the liquid storage tank, and The frozen drinking water production device is characterized in that a suitable number of small holes with a diameter smaller than the hole diameter of the pipe are bored in the lower part of the side wall.