JPS63226269A - Device for cooling and treating salt water - Google Patents

Abstract

PURPOSE:To accurately control temperature and salt concentration even at approximately solidifying point of salt water, by detecting temperature of salt water, supplying ice from an ice making part to a water storage tank, detecting salt concentration and feeding highly concentrated salt water from a salt water feed part to the water storage part. CONSTITUTION:When a temperature detecting element detects temperature of salt water in a water storage tank 1 and the salt water is not cooled to given temperature, ice is sent from an ice making part 22 to the water storage part and the salt water is cooled to the given temperature. When ice is melted and concentration of the salt water is reduced to <= a given value, highly concentrated salt water is fed from a salt water feed part 23 to the water storage tank.

Description

Detailed Description of the Invention: a. Industrial Application Field This invention relates to a salt water cooling process in which foods such as fish and meat are immersed in cold salt water in a water storage tank for a predetermined period of time to maintain the freshness of the fish and meat. It is related to the device.

b. Conventional technology FIG. 6 is a front sectional view of a conventional salt water cooling treatment device, and FIG. 7 is a plan view of FIG. It is defined by a tank 1a and a second water storage tank 1b. A freezing section 4 is attached to the first water storage [1a via a support rod 3. The refrigeration section 4 includes a compressor 5 and a condenser 6 that constitute a refrigeration cycle. The condenser 6 is connected to a cooler 7 immersed in salt water in the first water storage tank 1a. Also, provided in the first water tank la are a temperature detection element 8 that detects the temperature of the salt water and controls the operation of the compressor 5, and a concentration sensor 9 that detects and displays the concentration of the salt water.

Between the first water tank 1a and the 12th water tank 11], there is a circulation pump 1 which is a stirring means for stirring the inside of the water tank 1.
They are connected by one connecting pipe 10 attached thereto. Second
A tank 12 to which salt is supplied is attached to the water tank 1b.

The conventional salt water cooling treatment device is configured as described above, and when the compressor 5 of the refrigeration cycle operates, refrigerant is supplied to the cooler 7, which is an evaporator, and there the latent heat of evaporation is transferred into the first water storage tank 1a. The brine is cooled by taking away from the brine. This salt water is supplied to the second water tank 11] by the operation of the circulation pump 11, and flows over the partition plate 2 to the first water tank 1a.
Return to again. By repeating the third circulation of salt water, both the first water tank 1a and the second water tank 1b have the same temperature. The temperature detection element 8 detects this temperature, and when the temperature of the salt water reaches a predetermined temperature or lower, the operation of the compressor 5 is stopped by a signal from the temperature detection element 8. When meat, vegetables, etc. are immersed in the second water storage tank 1b and the salt water temperature exceeds a predetermined value, a signal from the temperature detection element 8 is sent to the compressor 5.
works again.

On the other hand, the salt water concentration is managed by the operator adding salt appropriately to the salt water tank 12 without looking at the salt water concentration value displayed by the concentration sensor 9.

C0 Problems to be Solved by the Invention In the conventional salt water cooling processing apparatus configured as described above, when processing food such as meat, the salt concentration is 3% and the water temperature is -1.5°C. The salt water must be controlled, but ice grows on the surface of the cooler 7 due to the cold heat from the cooler 7, and this ice acts as a heat transfer resistance for the cold heat of the cooler 7. There was a problem in that it was difficult to cool down to a certain temperature. Another problem was that the operator had to monitor the salt concentration and supply salt into the water tank 1 each time the salt concentration decreased, which was a cumbersome task.

This invention was made to solve these problems, and aims to provide a salt water cooling treatment device that can accurately control the temperature even near the freezing point of salt water and constantly maintain the salt water concentration at a desired concentration. shall be.

d0 Means for Solving Problems The salt water cooling treatment apparatus according to the present invention includes a water storage tank in which salt water is stored, and an ice making section that is connected to the water storage tank and that produces ice that is supplied into the water storage tank. , a stirring means installed in the water storage tank to stir the salt water in the water storage tank, a temperature detection element installed in the water storage tank to detect the temperature of the salt water and control the operation of the ice making section, and There is a salt water supply section that is installed in series and contains salt water that has been prepared to have a higher concentration than the salt water in the water storage tank, and a salt water supply section that is installed inside the water tank to detect the concentration of salt water in the water tank and supply salt water from the salt water supply section to the water storage tank. It is equipped with a salt concentration detection element that controls the amount supplied.

00 Effect In this invention, the temperature detection element detects the temperature of the salt water, and when the salt water has not been cooled to a predetermined temperature, water is supplied from the ice making unit into the water storage tank, and the salt water is cooled to the predetermined temperature. . Furthermore, when the ice melts and the concentration of salt water falls below a predetermined value, highly concentrated salt water is supplied from the salt water supply section to the water storage tank by the action of the salt concentration detection element.

f. Example Embodiments of the present invention will be described below with reference to the drawings.

1 to 4 show an embodiment of the present invention, and the same or corresponding parts as in FIGS. 6 and 7 are designated by the same reference numerals, and the explanation thereof will be omitted.

In the figure, a water storage tank 1 is connected to an auger-type ice maker 22, which is an ice making section, via a water conveyance hose 21 whose tip faces into a second water storage tank 11). A salt water supply unit 23 is attached to the top surface of the auger ice maker 22 and supplies salt water through a salt water supply hose 24 whose tip faces into the first water storage tank 1a.

The Oga type ice making iso 22 has a case 25 as shown in Fig. 3.
It has a compressor 5, a condenser 6, a fan 26, etc. that constitute a refrigeration cycle. Furthermore, an ice making cylinder 27 having a built-in ice cube (not shown) is provided in the case 25 and connected to a speed reducer 28 . A die 29 connected to the water conveying hose 21 is connected to the ice making cylinder 27 .

As shown in FIG. 4, the salt water supply section 23 contains highly concentrated salt water in a tank 30. At the bottom of the tank 30 are suction pipes 3 whose base ends are respectively connected to piping 33.
1 and the discharge pipe 32 penetrate therethrough.

A tank 3 is connected to the pipe 33 to which the salt water supply hose 24 is connected.
A pump 34 is attached that stirs the salt water in the tank 0 and supplies the salt water to the first water tank 1a via the salt water supply hose 24. In addition, a pinch valve 35 is provided in the pipe 33.
is installed.

Inside the first water storage tank 1a, there is a temperature detection element 36 that detects the temperature of the salt water and controls the operation of the ice making section, and a temperature detection element 36 that detects the concentration of the salt water and supplies the salt water to the first water storage tank 1a from the salt water supply section 23. Each salt concentration detection element 37 is provided to control the supply amount.

In the salt water cooling treatment equipment configured as above,
When meat, vegetables, etc. are immersed in the second water storage tank II and the temperature of the brine reaches a predetermined value, a signal from the temperature detection element 36 activates the speed reducer 28 of the Oga type ice making iso 22. The ice that has grown on the inner wall surface of the ice making cylinder 27 is scraped off by the rotation of the auger, and the flaky ice is compressed and molded in the die 29, and this ice passes through the water conveying hose 21 into the second water storage tank 1b. is released. This ice lowers the temperature of the salt water in the second water storage tank 111, and the operation of the circulation pump 11 also causes the salt water in the first water storage tank 1a to drop to the second water storage tank 11.
), and when the temperature of the salt water drops to a predetermined temperature, the operation of the auger-type ice making rock 22 is stopped by a signal from the temperature detection element 36.

As the ice melts, the salt water concentration decreases, but when the salt water concentration drops below a predetermined value, the pinch valve 35 opens in response to a signal from the salt concentration detection element 37, and the salt water in the tank 30 of the salt water supply section 23 opens. Highly concentrated salt water is supplied to the first water tank 1a through the salt water supply hose 24. Then, by operating the circulation pump 11, both the first water tank 1a and the second water tank 11] reach a desired salt concentration in a short time. Thereafter, the pinch valve 35 is closed again by a signal from the salt concentration detection element 37, and the supply of high concentration salt water from the salt water supply section 23 is cut off.

FIG. 5 is a diagram comparing the cooling state of salt water between a conventional salt water cooling treatment apparatus and an embodiment of the present invention. Although this method is difficult, it can be seen that the method investigated in this study can cool salt water to around -1.5°C.

In addition, in the above embodiment, the auger type ice making iso 22 is used as the ice making section.
Although a case has been described in which a cell-type ice maker or a plate-type ice maker is used, for example, a cell-type ice maker or a plate-type ice maker may be used. Moreover, although the circulation pump 11 was used as a means for stirring the salt water in the water storage tank 1, a stirring blade may also be used.

g1 As described in detail of the invention, in the salt water cooling treatment apparatus of the present invention, the temperature detection element 36 detects the salt water temperature, and when the salt water has not been cooled to a predetermined temperature, the salt water is cooled from the ice making unit into the water storage tank 1. Since ice is supplied and the ice is configured to cool the salt water to the desired temperature, even if the temperature of the salt water is set close to the freezing point, by accurately controlling the temperature, it will still reach zero. It is suitable for processing meat, etc. that requires temperatures below °C. Furthermore, when the ice melts and the salt water concentration drops below a predetermined value, the salt water supply section 23 is configured to supply highly concentrated salt water to the water storage tank 1 by the action of the salt concentration detection element 37. This has the effect that the operator is freed from the troublesome work of monitoring the salt concentration and having to supply salt into the water storage tank 1 each time the salt concentration decreases.

[Brief explanation of drawings]

Fig. 1 is a front view showing one embodiment of the present invention, Fig. 2 is a front sectional view of the water tank shown in Fig. 1, Fig. 3 is a front sectional view of the auger type ice making shore shown in Fig. 1, and Fig. 4 is a front view of the water tank shown in Fig. 1. is a front sectional view of the salt water supply section in FIG. 1, FIG. 5 is a relationship diagram showing the relationship between the cooling time and cooling temperature of salt water, and FIG. 16 is a front sectional view of a conventional salt water cooling treatment device.
@Figure 7 is a plan view of Figure 6. 1. Water tank, 22. O type ice making rock, 23.
Salt water supply section, 36...temperature detection element, 37...salt concentration detection element. Note that the same reference numerals in each figure indicate the same or corresponding parts. Figure 1 Figure 2 Figure 3 Figure 4 Z q2171 ,;+S

Claims (1)

[Scope of Claims] 1) A water storage tank (1) in which salt water is stored, and an ice making unit that is connected to the water storage tank (1) and produces ice that is supplied into the water storage tank (1). , a stirring means installed in the water storage tank (1) for stirring the salt water in the water storage tank (1); and a stirring means installed in the water storage tank (1) for detecting the temperature of the salt water to make the ice. a temperature sensing element (36) for controlling the operation of the salt water supply section (23), which is connected to the water storage tank (1) and contains salt water prepared to have a higher concentration than the salt water in the water storage tank (1). ) is installed in the water storage tank (1) and detects the concentration of salt water in the water storage tank (1), and the salt water supply unit (2
3) A salt water cooling treatment device comprising: a salt concentration detection element (37) for controlling the amount of salt water supplied from the water storage tank (1). 2) The salt water cooling treatment apparatus according to claim 1, wherein the ice making section is an auger ice making machine (22). 3) The salt water cooling treatment apparatus according to claim 1 or 2, wherein the stirring means is a circulation pump (11) that circulates and stirs the salt water in the water storage tank (1).