Refrigerant replacing R134a as well as preparation method and application thereof

A refrigerant and formula technology, which is applied in the field of R-134a replacement refrigerant and its preparation, can solve the problems of replacing new air conditioners, and achieve the effect of increasing latent heat, improving system operation efficiency, and large latent heat

Active Publication Date: 2020-04-14
HUBEI GREEN COLD HI TECH ENERGY SAVING TECHCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Developed countries use government financial subsidies to replace new energy-saving and environmentally-friendly air conditioners, but in my country so far only environmentally friendly and non-energy-saving air conditioners account for only 5% of the total number of air conditioners. The current economic status of our country cannot replace new air conditioners with national financial subsidies. In order to meet the requirements of building energy saving

Method used

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  • Refrigerant replacing R134a as well as preparation method and application thereof
  • Refrigerant replacing R134a as well as preparation method and application thereof
  • Refrigerant replacing R134a as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Instead of stationary refrigeration compressors, use R-134a refrigerant, which is made by fully mixing the following raw materials in parts by weight: 22 parts of fluoroethane (R161), 16 parts of Z-1,2,3,3, 3-pentafluoropropene (Z-R1225ye), 62 parts of 1,1,1,2,3,3,3-heptafluoropropane R227ea, the preparation method is as follows:

[0035] S1. Carry out rectification and purification of the three raw materials on the production line, and the rectification tower meets the height and standard of 99.96% of the refrigerant raw materials;

[0036] S2. The purity of the three raw materials is tested by an Agilent color analyzer to ensure that the purity reaches 99.96% of refrigerant grade;

[0037] S3. Connect the fully automatic and multi-functional microwave vacuum mixing tank, the model of the fully automatic and multi-functional microwave vacuum mixing tank is; YDL--6000L;

[0038] S4. Vacuumize the fully automatic mixing tank to reach a negative pressure state;

[0039]...

Embodiment 2

[0044] A refrigerant that replaces the use of R-134a in stationary refrigeration compressors, which is made by fully mixing the following raw materials in parts by weight: 24 parts of fluoroethane (R161), 18 parts of Z-1,2,3, 3,3-Pentafluoropropene (Z-R1225ye), 58 parts of 1,1,1,2,3,3,3-heptafluoropropane R227ea. Its preparation method is identical with embodiment 1.

Embodiment 3

[0046] A refrigerant that replaces the use of R-134a in stationary refrigeration compressors, which is made by fully mixing the following raw materials in parts by weight: 26 parts of fluoroethane (R161), 15 parts of Z-1,2,3, 3,3-Pentafluoropropene (Z-R1225ye), 49 parts of 1,1,1,2,3,3,3-heptafluoropropane R227ea. Its preparation method is identical with embodiment 1.

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Abstract

The invention belongs to the technical field of refrigerants, and particularly relates to a refrigerant replacing R-134a and a preparation method and application thereof. The refrigerant is prepared from the following components in parts by weight: 16 to 38 parts of fluoroethane, 10 to 28 parts of Z-1,2,3,3,3-pentafluoropropylene and 40 to 75 parts of 1,1,1,2,3,3,3-heptafluoropropane. The preparation method comprises a step of mixing the components in a vacuumized mixing tank according to the amount of a formula to obtain the refrigerant capable of replacing R-134a. The refrigerant (R-469) replacing R-134a provided by the invention has the effects of zero ozone depletion value (ODP) and extremely low greenhouse effect (GWP), and is energy-saving and environment-friendly.

Description

technical field [0001] The invention belongs to the technical field of refrigerants, and in particular relates to a refrigerant replacing R-134a and its preparation method and application. Background technique [0002] This year, the Ministry of Industry and Information Technology, the State Council Administration Bureau, and the National Energy Administration put forward the "green refrigeration" development strategy according to the State Council, combined with the notice of the "Green and Efficient Refrigeration Action Plan" issued by the National Development and Reform Commission in 2019, for the green economy , circular economy and the core requirements of environmental protection, the country seeks advanced energy-saving technology products that are green, environmentally friendly, efficient and energy-saving. [0003] Since the signing of the "Montreal Protocol", countries have launched research on energy-saving and environmentally friendly refrigerants. The alternati...

Claims

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Application Information

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IPC IPC(8): C09K5/04
CPCC09K5/045Y02P20/10
Inventor 黄追苏静李清辉
Owner HUBEI GREEN COLD HI TECH ENERGY SAVING TECHCO
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