A kind of refrigerant replacing r-410a and its preparation method

Abstract

The invention belongs to the field of refrigerants, and particularly relates to a refrigerant replacing R-410A and a preparation method thereof. The refrigerant is formed by fully mixing the following raw materials including, by weight, 44-54 parts of propylene, 10-20 parts of iodotrifluoromethane and 30-40 parts of ethyl fluoride. The preparation method of the refrigerant comprises the following steps that S1, the purity of the raw materials are detected to ensure that the purity reaches the refrigerant-grade standard; S2, a cleaning reagent is used for cleaning a pressure vessel; S3, the cleaned pressure vessel is vacuumed; S4, the raw materials which reach the stand are added into the vacuumed pressure vessel according to the proportion of parts by weight and mixed to obtain a mixture; and S5, the mixture in the S4 is sampled, and whether all components in a sample meet the corresponding proportion of the parts by weight or not is detected. By adoption of the refrigerant replacing the R-410A, all original refrigeration equipment do not need to be replaced, the improvement cost is greatly reduced, and the refrigerant is good in energy saving effect and saves energy by 20-25% compared with the original refrigerant R-410A.

Description

technical field

[0001] The invention belongs to the field of refrigerants, and in particular relates to a refrigerant replacing R-410A and a preparation method thereof. Background technique

[0002] As we all know, in recent years, the extensive use of fluorine-containing refrigerants such as CFC (freon) and HCFC has caused serious damage to the earth's ozone layer, and ozone holes or ozone depletions have been found in the north and south poles. With the continuous development of the economy, the use of fluorine-containing refrigerants continues to increase, and my country has become the largest producer and consumer of ODS (ozone depleting substances) in developing countries. If the ozone trough phenomenon is allowed to continue, the roof of the world—the Qinghai-Tibet Plateau may have the third largest ozone hole in the world after the north and south poles, which will bring great harm to human beings. After the 2009 Copenhagen World Climate Change Summit, the Chinese go...

Examples

Embodiment 1

[0027] A refrigerant replacing R-410A, which is prepared by fully mixing the following raw materials in parts by weight: 49.562 parts of propylene; 15.642 parts of trifluoroiodomethane; 34.796 parts of fluoroethane.

[0028] Its preparation method is as follows:

[0029] S1. Detect the purity of propylene, trifluoroiodomethane and fluoroethane raw materials respectively to ensure that the purity reaches more than 99.96wt, and set aside;

[0030] S2. Use the propylene with the purity up to the standard in S1 as the cleaning reagent to clean the pressure vessel. The cleaning reagent is input into the pressure vessel with a high-pressure pump. The volume of the cleaning reagent accounts for 2-5% of the volume of the pressure vessel. Shake the pressure vessel or stir it for cleaning Reagents, fully cleaned, put the propylene after cleaning, and let it stand still to evaporate the residual propane, then the cleaning of the pressure vessel is completed;

[0031] S3. Vacuumize the p...

Embodiment 2

[0035] A refrigerant substituting R-410A, which is prepared by fully mixing the following raw materials in parts by weight: 44 parts of propylene; 10 parts of iodotrifluoromethane; and 30 parts of fluoroethane.

[0036] Its preparation method is identical with embodiment 1.

Embodiment 3

[0038] A refrigerant substituting R-410A, which is prepared by fully mixing the following raw materials in parts by weight: 54 parts of propylene; 20 parts of iodotrifluoromethane; and 40 parts of fluoroethane.

[0039] Its preparation method is identical with embodiment 1.

technical field

[0001] The invention belongs to the field of refrigerants, and in particular relates to a refrigerant replacing R-410A and a preparation method thereof. Background technique

[0002] As we all know, in recent years, the extensive use of fluorine-containing refrigerants such as CFC (freon) and HCFC has caused serious damage to the earth's ozone layer, and ozone holes or ozone depletions have been found in the north and south poles. With the continuous development of the economy, the use of fluorine-containing refrigerants continues to increase, and my country has become the largest producer and consumer of ODS (ozone depleting substances) in developing countries. If the ozone trough phenomenon is allowed to continue, the roof of the world—the Qinghai-Tibet Plateau may have the third largest ozone hole in the world after the north and south poles, which will bring great harm to human beings. After the 2009 Copenhagen World Climate Change Summit, the Chinese go...

Examples

Embodiment 1

[0027] A refrigerant replacing R-410A, which is prepared by fully mixing the following raw materials in parts by weight: 49.562 parts of propylene; 15.642 parts of trifluoroiodomethane; 34.796 parts of fluoroethane.

[0028] Its preparation method is as follows:

[0029] S1. Detect the purity of propylene, trifluoroiodomethane and fluoroethane raw materials respectively to ensure that the purity reaches more than 99.96wt, and set aside;

[0030] S2. Use the propylene with the purity up to the standard in S1 as the cleaning reagent to clean the pressure vessel. The cleaning reagent is input into the pressure vessel with a high-pressure pump. The volume of the cleaning reagent accounts for 2-5% of the volume of the pressure vessel. Shake the pressure vessel or stir it for cleaning Reagents, fully cleaned, put the propylene after cleaning, and let it stand still to evaporate the residual propane, then the cleaning of the pressure vessel is completed;

[0031] S3. Vacuumize the p...

Embodiment 2

[0035] A refrigerant substituting R-410A, which is prepared by fully mixing the following raw materials in parts by weight: 44 parts of propylene; 10 parts of iodotrifluoromethane; and 30 parts of fluoroethane.

[0036] Its preparation method is identical with embodiment 1.

Embodiment 3

[0038] A refrigerant substituting R-410A, which is prepared by fully mixing the following raw materials in parts by weight: 54 parts of propylene; 20 parts of iodotrifluoromethane; and 40 parts of fluoroethane.

[0039] Its preparation method is identical with embodiment 1.

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