Refrigerant replacing R-32, and preparation method and application of refrigerant

A technology of R-32 and refrigerant, which is applied in the field of refrigerant replacing R-32 and its preparation. It can solve the problems of high drying and cleaning requirements of the refrigeration system, lack of environmental protection features, and unfavorable refrigeration systems, so as to eliminate flammability. , easy installation and after-sales, high cooling capacity per unit

Active Publication Date: 2020-02-14
湖北瑞能华辉能源管理有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although R-32 does not destroy the ozone layer at all, its global warming potential value reaches / (GWP) 1000, it does not have environmental protection characteristics, and its energy consumption is relatively high during refrigeration operation, which cannot meet the current national requirements fo

Method used

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  • Refrigerant replacing R-32, and preparation method and application of refrigerant

Examples

Experimental program
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Example Embodiment

[0040] Example 1

[0041] A refrigerant that replaces R-32, which is made by fully mixing the following raw materials in parts by weight: 12 parts by weight of isobutane; 28 parts of octafluoropropane; 46 parts of difluoroethane; 14 parts of trifluoromethyl iodide.

[0042] The preparation method is as follows:

[0043] S1. Perform rectification and purification of the three raw materials on the production line, and the rectification tower meets the height and standard of 99.96% refrigerant raw materials;

[0044] S2. The purity of the three raw materials is tested by Agilent Separometer to ensure that its purity reaches 99.96% of refrigerant level;

[0045] S3. Connect the fully automatic and multifunctional microwave vacuum mixing tank. The model of the fully automatic and multifunctional microwave vacuum mixing tank is; YDL--6000L. The multifunctional microwave vacuum mixing tank has a fast heat reflux speed, can perform atmospheric extraction, and shortens the production time by mo...

Example Embodiment

[0052] Example 2

[0053] A refrigerant that replaces R-32, which is made by fully mixing the following parts by weight of raw materials: 15 parts by weight of isobutane; 30 parts of octafluoropropane; 49 parts of difluoroethane; 16 parts of trifluoromethyl iodide. The preparation method refers to Example 1.

Example Embodiment

[0054] Example 3

[0055] A refrigerant that replaces R-32, which is made by fully mixing the following parts by weight of raw materials: 17 parts by weight of isobutane; 33 parts of octafluoropropane; 32 parts of difluoroethane; 18 parts of trifluoromethyl iodide, The preparation method refers to Example 1.

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Abstract

The invention belongs to the technical field of household and commercial small split air conditioner refrigerants, and particularly relates to a refrigerant replacing R-32, and a preparation method and an application of the refrigerant. The refrigerant replacing R-32 comprises the following components in parts by weight: 8 to 25 parts of isobutane, 20 to 45 parts of octafluoropropane, 30 to 60 parts of difluoroethane, and 10 to 25 parts of trifluoroiodomethane. The refrigerant replacing R-32 and provided by the invention not only is quite low in GWP, but also is energy-saving and environment-friendly.

Description

technical field [0001] The invention belongs to the technical field of household and commercial small split air-conditioning refrigerants, and in particular relates to a refrigerant replacing R-32 and its preparation method and application. Background technique [0002] Since the signing of the "Montreal Protocol", countries have launched research on energy-saving and environmentally friendly automotive refrigerants. During this period, the alternative refrigerants proposed are mainly for the purpose of protecting the ozone layer, and the development of HFCs refrigerants is one of the hot topics. But after the "Kyoto Protocol" was signed, people turned to focus on the protection of the ozone layer and the reduction of the greenhouse effect at the same time, not only requiring the ODP of the refrigerant to be zero, but also the GWP to be small. [0003] As we all know, in recent years, the extensive use of fluorine-containing refrigerants such as CFC (freon) and HCFC has caus...

Claims

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Application Information

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IPC IPC(8): C09K5/04
CPCC09K5/044C09K2205/12C09K2205/122C09K2205/128C09K2205/40
Inventor 刘菁菁
Owner 湖北瑞能华辉能源管理有限公司
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