KR20220128977A - Refrigerant Composition And The Manufacturing Method Thereof - Google Patents

Abstract

The present invention relates to an eco-friendly refrigerant which can lower the freezing point and maintain a low temperature for a long time, and more specifically, to a refrigerant composition formed in a gel state by dissolving solar salt in heated water and separately diluting and adding starch in water at room temperature and a preparation method thereof. The eco-friendly refrigerant composition of the present invention is made of natural materials and is environmentally friendly, harmless to the human body, used for storing and transporting frozen foods, and can be used in various industries such as cooling fans and cooling appliances.

Description

Refrigerant Composition And The Manufacturing Method Thereof

The present invention relates to a refrigerant composition and a method for manufacturing the same, and more particularly, the eco-friendly refrigerant composition of the present invention can lower the freezing point and maintain a low temperature for a long time. ), and separately diluting and adding starch in water at room temperature to form a gel state, and a method for producing the same.

The eco-friendly refrigerant composition of the present invention is made of natural materials, is eco-friendly, and is harmless to the human body, so it can be used for storage and transportation of frozen food, and can be used in various industries such as a cooling fan and a cooling device.

Conventionally, as a method to maintain a low-temperature state during storage and transportation of frozen food, transportation is mainly using a refrigeration tower vehicle or a ripper container. It is distributed by filling an ice pack with the product to keep it cool. However, since the freezing point of ice packs is 0°C, it is not suitable for maintaining an appropriate temperature suitable for each refrigerated and frozen food, and the cooling time is not long, so the food is damaged and discarded.

On the other hand, many ice packs are filled in the ice box at picnics, camping, fishing, etc., and many ice packs come when you receive a grocery delivery. It often swells and clogs drains and toilets.

On the other hand, ice packs must be disposed of in a volume-based bag, but disposal is cumbersome, and it is harmful to the environment because it is used for one-time use in the field and is thrown away casually. For this reason, it is essential to develop an eco-friendly, easy-to-dispose, and harmless refrigerant.

In addition, products of cooling fans without outdoor units have been released and are cooling using water or ice packs. Accordingly, there is a need to develop a product that is hygienic and can sustain a low temperature for a long time.

[Prior art literature]

Japanese Laid-Open Patent Application Laid-Open No. 10-265769 (October 6, 1998)

The object of the present invention is to solve the problems of the conventional refrigerant as described above, and to lower the freezing point according to the purpose of the user by using a natural material, maintain a low temperature for a long time, easy to dispose, and harmless to the human body An object of the present invention is to provide a refrigerant composition containing a natural substance and a method for manufacturing the same.

In the method for producing a refrigerant composition containing a natural substance according to a preferred embodiment of the present invention for achieving the above object, 1000 ml of water is heated to 100° C. or higher in a container of a certain size, and sea salt is added to the heated water.日鹽) 250g ~ 650g in heated water and rapidly stirred,

removing the foam film formed in the process of mixing the sea salt with heated water, and allowing the sea salt to be completely mixed to obtain an aqueous sodium chloride solution;

After that, 12 to 15 g of diluted starch is added to the sodium chloride aqueous solution at 100° C. or higher obtained in the above step separately in 60 ml of water at room temperature, and stirred to form a gel state for 25 to 30 seconds, but the starch (綠末) ) When adding the diluted solution, stop heating the sodium chloride aqueous solution and quickly add it to the sodium chloride aqueous solution, and at this time, stir slowly so as not to generate air bubbles to make an eco-friendly material in a gel state, and

Thereafter, including the step of sealing the environmentally friendly material in a gel state of 100 ° C or higher prepared in the above step, quickly putting it into a vacuum pack so as not to be exposed to moisture,

It characterized in that it is stirred slowly from the bottom of the container of a certain size so as not to generate air bubbles in the step of making the eco-friendly material in the gel state,

When the prepared eco-friendly refrigerant composition (refrigerant pack) is frozen in a -55°C freezer for 24 hours, sealed in a Styrofoam box, and left at room temperature, the initial temperature inside the Styrofoam box is -39.3°C, and the average temperature is maintained at -22°C. , as it becomes 0 ° C after 40 hours,

It is characterized in that the higher the ratio of sun salt (salt) added to water, the longer the refrigerant characteristics are proportionally maintained.

In the manufacturing process, if the environmentally friendly material in the gel state is exposed to moisture, it may become diluted and deteriorate. Therefore, the environmentally friendly material in the gel state of 100° C. or higher is put into a vacuum pack and vacuum packed, but vacuum packaging at a high temperature to manufacture an eco-friendly refrigerant composition,

The vacuum-packed eco-friendly refrigerant composition as described above is suitable for food transportation, so it can lower the freezing point to the temperature desired by the user to store and transport frozen food and beverages, and can maintain a low temperature for a long time,

Manufactured with natural materials, it is not harmful to the human body even if the packaging is damaged and the contents leak out, and it is easy to dispose of as it does not damage the environment.

The sealed manufactured eco-friendly refrigerant composition (refrigerant pack) is frozen in a -55 ℃ freezer for 24 hours to lower the freezing point, and the eco-friendly refrigerant pack prepared in the Styrofoam box is put in the Styrofoam box to measure the low temperature persistence, and the Styrofoam box is sealed. Leave it at room temperature, and measure the temperature change over time until the temperature inside the Styrofoam box reaches 0℃.

The outside temperature of the Styrofoam box is 20.1°C on average, and the average maximum temperature is 29.9°C. Provided is a method for preparing a refrigerant composition containing a natural substance, characterized in that it is raised to 0° C. after a period of time.

As described above, according to the refrigerant composition containing a natural substance according to the present invention and its manufacturing method, the freezing point can be lowered to the temperature desired by the user in order to store and transport frozen food and beverages, particularly suitable for food transportation. And it can maintain low temperature for a long time, which has the effect of reducing transportation costs.

In addition, since it is made of natural materials, it is not harmful to the human body even if the packaging is damaged and the contents flow out, and it does not damage the environment, so it is easy to dispose of.

And, there is an effect that can be widely used in the overall industry such as a cooling fan, a cold compress, a cooling device, etc.

1 is a graph showing the freezing point drop and low temperature maintenance measurement results of Example 1. FIG.

Since the present invention can have various changes and can have various embodiments, specific embodiments are illustrated in the drawings and described in detail.

However, this is not intended to limit the present invention to specific embodiments, and should be understood to include all modifications, equivalents and substitutes included in the spirit and scope of the present invention.

The terms used in the present application are only used to describe specific embodiments, and are not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In the present application, terms such as “comprise” or “have” are intended to designate that a feature, number, step, operation, component, part, or combination thereof described in the specification exists, but one or more other features It is to be understood that this does not preclude the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present application. does not

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings. In describing the present invention, in order to facilitate the overall understanding, the same reference numerals are used for the same components in the drawings, and duplicate descriptions of the same components are omitted.

The present invention provides a first step of obtaining an aqueous sodium chloride solution by adding 250 g to 650 g of sun-dried salt while heating 1000 ml of water as an environment-friendly refrigerant composition whose freezing point is 0° C. to -45° C. or less and stirring; A second step of making a gel state by adding 12-15 g of starch per 1000 ml of water separately to 60-100 ml of room temperature water, diluting it sufficiently, putting it in an aqueous sodium chloride solution heated to 100° C. or higher, and stirring; It is made by accommodating the gel-like material of the second step in a vacuum pack and vacuum-packing it (third step).

As a refrigerant, sun-dried salt is an excellent material, high in sodium chloride, and high in minerals and moisture, but the type of salt, which is a natural material, is not limited.

Starch (綠末) has good hygroscopicity and has a good cooling effect as a refrigerant. In addition, as complex carbohydrates collected from corn, potatoes, and grains, natural starch such as white, tasteless, odorless powder or particulate matter is used, but the type of starch, which is a natural component, is not limited.

The refrigerant composition of the present invention and its manufacturing method will be described in detail with reference to examples as follows, and the scope of the present invention is not limited to the examples.

As the ratio of the added sea salt (salt) to the water increases, the refrigerant characteristics and thermal characteristics are proportionally maintained for a long time.

It will be described in detail through the following examples.

Example 1

According to an embodiment of the present invention, the eco-friendly refrigerant composition is prepared in a mixing ratio including 650 g of sun-dried salt and 12-15 g of starch in 1000 ml of water.

Preparation Example 1

The manufacturing method of the eco-friendly refrigerant composition of Example 1 of the present invention will be described in detail.

While heating 1000 ml of water at 100°C or higher, 650 g of sun-dried salt is added to the heated water and stirred rapidly.

In the process of mixing the sea salt with the heated water, a foam film is formed, which causes deterioration of the product when accommodated in the pack, so it is preferable to remove it.

The sea salt is thoroughly mixed to obtain an aqueous sodium chloride solution (1st step).

Separately, in an aqueous sodium chloride solution of 100° C. or higher prepared in the first step, 15 g of starch is diluted in 60 ml of water at room temperature, and stirred to form a gel (second step).

When the starch dilution is added, heating of the sodium chloride aqueous solution is stopped, and the sodium chloride aqueous solution is quickly added. At this time, stir slowly so as not to generate air bubbles.

When the product is frozen after being accommodated in the pack, air bubbles cause deterioration of the product's coolness. Therefore, the heating of the sodium chloride aqueous solution must be stopped, and the starch diluent must be added while stirring the sodium chloride aqueous solution, and air bubbles are generated. It is desirable to stir slowly from the bottom to avoid it.

Thereafter, the material made in the gel state is quickly put into a vacuum pack so as not to expose the environmentally friendly refrigerant composition above 100° C. to moisture and sealed. When exposed to moisture, the refrigerant gel can be diluted and deteriorated, so it is vacuum-packed at a high temperature to prepare an eco-friendly refrigerant composition (refrigerant pack) (3rd step).

Example 2

The low-temperature maintenance state over time of the eco-friendly refrigerant composition (refrigerant pack) prepared in Preparation Example 1 was measured.

To lower the freezing point, it was frozen in a -55°C freezer for 24 hours.

Then, 4 packs (2 liters) of the eco-friendly refrigerant prepared in Preparation Example 1 were put in a Styrofoam box (34.2cm×27cm×21cm) in order to measure the low-temperature continuation state, and the Styrofoam box was sealed and left at room temperature. The measuring part of the thermometer was inserted in the Styrofoam box, and the measurement screen was visible from the outside. The temperature change over time was measured until the temperature inside the Styrofoam box reached 0°C. The results are shown in FIG. 1 .

The outside temperature at which the Styrofoam box is left unattended is an average minimum temperature of 20.1°C and an average maximum temperature of 29.9°C. ℃ was maintained, and it was confirmed that the temperature was increased to 0℃ after 40 hours.

The eco-friendly refrigerant composition manufactured and packaged in the above manner is suitable for food transportation, and in particular, to store and transport frozen food and beverages, the freezing point can be lowered to the desired temperature by the user, and the low temperature can be maintained for a long time, so transportation costs can save

In addition, since it is made of natural materials, it is not harmful to the human body even if the packaging is damaged and the contents leak out, and it is easy to dispose of because it does not damage the environment.

In addition, it can be used in a wide range of industries such as chillers, cold compresses, and cold storage devices.

As described above, the best embodiment has been disclosed in the drawings and the specification. Although specific terms are used herein, they are used only for the purpose of describing the present invention, and are not used to limit the meaning or the scope of the present invention described in the claims. Therefore, it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible therefrom. Accordingly, the true technical protection scope of the present invention should be defined by the technical spirit of the appended claims.

Claims (1)

A step of rapidly stirring 1000 ml of water in a container of a certain size by adding 250 g to 650 g of sea salt to the heated water while heating to 100 ° C or more,
removing the foam film formed in the process of mixing the sea salt with heated water, and allowing the sea salt to be completely mixed to obtain an aqueous sodium chloride solution;
After that, 12 to 15 g of diluted starch is added to the sodium chloride aqueous solution at 100° C. or higher obtained in the above step separately in 60 ml of water at room temperature, and stirred to form a gel state for 25 to 30 seconds, but the starch (綠末) ) When adding the diluted solution, stop heating the sodium chloride aqueous solution and quickly add it to the sodium chloride aqueous solution, and at this time, stir slowly so as not to generate air bubbles to make an eco-friendly material in a gel state, and
Thereafter, including the step of sealing the environmentally friendly material in a gel state of 100 ° C or higher prepared in the above step, quickly putting it into a vacuum pack so as not to be exposed to moisture,
It characterized in that it is stirred slowly from the bottom of the container of a certain size so as not to generate air bubbles in the step of making the eco-friendly material in the gel state,
When the prepared eco-friendly refrigerant composition (refrigerant pack) is frozen in a -55°C freezer for 24 hours, sealed in a Styrofoam box, and left at room temperature, the initial temperature inside the Styrofoam box is -39.3°C, and the average temperature is maintained at -22°C. , as it becomes 0 ° C after 40 hours,
It is characterized in that the higher the ratio of sun salt (salt) added to water, the longer the refrigerant characteristics are proportionally maintained.
In the manufacturing process, if the environmentally friendly material in the gel state is exposed to moisture, it may become diluted and deteriorate. Therefore, the environmentally friendly material in the gel state of 100° C. or higher is put into a vacuum pack and vacuum packed, but vacuum packaging at a high temperature to manufacture an eco-friendly refrigerant composition,
The vacuum-packed eco-friendly refrigerant composition as described above is suitable for food transportation, so it can lower the freezing point to the temperature desired by the user to store and transport frozen food and beverages, and can maintain a low temperature for a long time,
Manufactured with natural materials, it is not harmful to the human body even if the packaging is damaged and the contents spill out, and it is easy to dispose of as it does not damage the environment.
The sealed manufactured eco-friendly refrigerant composition (refrigerant pack) is frozen in a -55 ℃ freezer for 24 hours to lower the freezing point, and the eco-friendly refrigerant pack prepared in the Styrofoam box is put in the Styrofoam box to measure the low temperature persistence, and the Styrofoam box is sealed. Leave it at room temperature and measure the temperature change over time until the temperature inside the Styrofoam box reaches 0℃,
The outside temperature of the Styrofoam box is 20.1°C on average, and the average maximum temperature is 29.9°C. A method for producing a refrigerant composition containing a natural substance, characterized in that the temperature rises to 0° C. after time.

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