阅读说明：本技术 一种防腐蚀速冻液的制备方法 (Preparation method of anti-corrosion quick freezing liquid ) 是由 贾如金 于 2019-04-17 设计创作，主要内容包括：一种防腐蚀速冻液的制备方法,通过将饱和盐水和高浓度的乙醇、甘油按照一定的比例均匀混合,再向混合溶液中加入适量的络酸钠加以混合搅拌,将最后的混合溶液放置于速冻机中,通过速冻机内蒸发器的降温作用将整个混合溶液的温度降低到零下50摄氏度后,即制得成品。该发明作为一种速冻剂可以实现对物体的高效地快速冻结,也可以降低冻结过程中溶液对机械装置的腐蚀程度。(A preparation method of an anti-corrosion quick freezing solution comprises the steps of uniformly mixing saturated saline water, high-concentration ethanol and glycerol according to a certain proportion, adding a proper amount of sodium complex acid into the mixed solution for mixing and stirring, placing the final mixed solution into a quick freezing machine, and reducing the temperature of the whole mixed solution to minus 50 ℃ under the cooling effect of an evaporator in the quick freezing machine to obtain a finished product. The quick freezing agent can be used for efficiently and quickly freezing objects, and can also reduce the corrosion degree of a solution to a mechanical device in the freezing process.)

1. The preparation method of the anti-corrosion instant freezing liquid is characterized by comprising the following steps:

A) taking 2L of high-concentration ethanol for later use;

B) taking 5L of saturated saline water for later use;

C) taking 100mL of glycerol for later use;

D) taking 1Kg of sodium complex acid powder for later use;

E) mixing and stirring the high-concentration ethanol, saturated saline water, glycerol and sodium complex acid according to a certain weight percentage;

F) and (3) placing the solution obtained after mixing and stirring in an evaporator of a quick freezer, and reducing the temperature of the mixed solution to-50 ℃ by using the evaporator.

2. The method for preparing an anti-corrosion instant freezing solution according to claim 1, which is characterized in that: the concentration of the high-concentration ethanol is 95%, and the saturated saline water is in a saturated state at normal temperature and normal pressure.

3. The method for preparing an anti-corrosion instant freezing solution according to claim 1, which is characterized in that: the weight percentages of the high-concentration ethanol, saturated saline, glycerol and sodium complex acid powder are respectively 24%, 70%, 2% and 4%.

Technical Field

The embodiment of the invention belongs to the technical field of heat transfer materials, and particularly relates to a preparation method of an anti-corrosion instant freezing liquid.

Background

The quick-frozen food is obtained by quickly passing the quick-frozen product through the maximum ice crystal generation area to reduce the temperature of the quick-frozen product to about-15 ℃, and the quick-frozen product is frozen, so that the moisture and the nutritional ingredients in the quick-frozen product can not be lost, and the quality guarantee period of the quick-frozen product can be prolonged.

At present, the existing quick-freezing technology mostly adopts the liquid nitrogen freezing technology, but the price of the raw materials related to the device is expensive; most of the solutions related to other existing cheap refrigerating devices have great corrosion to the quick-frozen products and the devices, and the quick-freezing efficiency is low.

Disclosure of Invention

In order to solve the above problems, an embodiment of the present invention provides a preparation method of an anti-corrosion instant freezing solution, and a specific preparation method flow includes the following steps:

A) taking 2L of high-concentration ethanol for later use;

B) taking 5L of saturated saline water for later use;

C) taking 100mL of glycerol for later use;

D) taking 1Kg of sodium complex acid powder for later use;

E) mixing and stirring the high-concentration ethanol, saturated saline water, glycerol and sodium complex acid according to a certain weight percentage;

F) and (3) placing the solution obtained after mixing and stirring in an evaporator of a quick freezer, and reducing the temperature of the mixed solution to-50 ℃ through the evaporator.

Furthermore, the concentration of the high-concentration ethanol is 95%, so that the refrigeration efficiency of the instant frozen product can be improved.

Furthermore, the weight percentages of the high-concentration ethanol, the saturated saline, the glycerol and the sodium complex acid powder are respectively 24%, 70%, 2% and 4%, so that the freezing efficiency of the frozen product can be improved, and the corrosion degree of the frozen liquid to machinery can be reduced.

The embodiment of the invention provides a preparation method of an anti-corrosion quick-freezing liquid, and under the same conditions, the quick-freezing agent is used as a quick-freezing source, so that the freezing efficiency of quick-frozen food can be improved, the corrosion degree of machinery can be reduced, and the service life of the machinery can be prolonged.

Detailed Description

The embodiment of the invention provides a preparation method of an anti-corrosion instant freezing liquid, and the technical scheme of the embodiment of the invention is completely and accurately described. The embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The specific preparation method flow of the embodiment of the invention comprises the following steps:

A) taking 2L of high-concentration ethanol for later use;

B) taking 5L of saturated saline water for later use;

C) taking 100mL of glycerol for later use;

D) taking 1Kg of sodium complex acid powder for later use;

E) mixing and stirring the high-concentration ethanol, saturated saline water, glycerol and sodium complex acid according to a certain weight percentage;

F) and (3) placing the solution obtained after mixing and stirring in an evaporator of a quick freezer, and reducing the temperature of the mixed solution to-50 ℃ by using the evaporator.

In order to improve the refrigeration efficiency of the instant frozen product, the concentration of the high-concentration ethanol adopted by the invention is 95%, and meanwhile, the weight percentages of the high-concentration ethanol, the saturated saline water, the glycerol and the sodium complex acid powder are respectively 24%, 70%, 2% and 4%, so that the refrigeration efficiency of the instant frozen product can be improved, and the corrosion degree of the instant frozen liquid to machinery can be reduced.

The embodiment of the invention provides a preparation method of an anti-corrosion quick-freezing liquid, and under the same conditions, the quick-freezing agent is used as a quick-freezing source, so that the freezing efficiency of quick-frozen food can be improved, the corrosion degree of machinery can be reduced, and the service life of the machinery can be prolonged.