Environmentally friendly near-azeotropic mixed refrigerant
AssigneesZhejiang Lantian Environmental Protection Hi-Tech Co., Ltd., Sinochem Lantian Co., Ltd.
InventorsZhikai Guo, Pinzan Xie, Xiaoqing Fang
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Abstract
Disclosed is an environmentally friendly near-azeotropic mixed refrigerant, consisting essentially of HFO-1234 yf, HFE-143a and a third component, with the mass percentage of each component being: 70%-98% of HFO-1234yf, 1%-15% of HFE-143a and 1%-15% of the third component. The refrigerant of the present invention is environmentally friendly, excellent in thermodynamic properties, can directly realize drop-in substitution in an original system using HFC-134a without changing any parts, and can be used as a long term alternative to HFC-134a.
Claims8
An environmentally friendly near-azeotropic mixed refrigerant essentially comprises HFO-1234yf, HFE-143a and a third component, wherein the third component is HFE-170, and their mass percentages of all components are as follows:
- HFO-1234yf:
- 70%-98%;
- HFE-143a:
- 1%-15%;
- The third component:
- 1%-15%.
Dependencies are inferred from the claim text.