首页>
外国专利>
ENVIRONMENTAL REFRIGERANT INSTEAD OF HCFC-22
ENVIRONMENTAL REFRIGERANT INSTEAD OF HCFC-22
展开▼
机译:HCFC-22的环境制冷剂替代
展开▼
页面导航
摘要
著录项
相似文献
摘要
The present invention discloses ternary mixtures of fluoroethane (HFC-161), pentafluoroethane (HFC-125) and difluoromethane (HFC-32) used as environmentally friendly alternative refrigerants to HCFC-22. The mass ratios of the mixture of each component are 5-60%, 25-50% and 5-50%, respectively. Its ODP is zero, with no depletion potential to the ozone layer. Its GWP is smaller than those of HCFC-22, R407C and R410A. Its working pressure and pressure ratio are close to those of HCFC-22. With few changes to system components, it can be used as a potential substitute refrigerant for HCFC-22.
展开▼