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Energy-saving environment-protecting mixed refrigerant

An energy-saving and environmentally-friendly refrigerant technology, applied in the direction of detergent composition, sustainable manufacturing/processing, non-surface active washing solvents, etc., can solve the problems of practical application and promotion difficulties, limited energy-saving effect, and large limitations, and achieve Superior thermophysics, remarkable energy-saving effect, uniform and stable existence effect

Inactive Publication Date: 2005-05-04
顾雏军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the binary mixed refrigerant R32 / R125 applied for in U.S. Patent 4,978,467 may be a mixed refrigerant with practical value, but the existing mixed refrigerant is only suitable for a certain range of applications and has relatively large limitations, because the refrigerant has its own fixed characteristics And the scope of application, no mixed refrigerant can be applied to different evaporation temperature regions and condensation temperature regions at the same time, and the refrigerants introduced in the existing literature have limited energy-saving effects in refrigeration, heat pump and air-conditioning equipment, generally 5 -10%; In addition, the use of existing refrigerants often requires more modifications to the original refrigerants, heat pumps and air-conditioning equipment before they can be applied, which will bring many difficulties to practical application and promotion

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] 40% CH by mass percentage 2 f 2 (R32), 50% CHF 2 CF 3 (R125), 8% CH 2 FCF 3 (R134a) and / or CHF 2 CHF 2 (R134), 2% CH 3 CH=CH 2 (R1270) constitutes a multi-component mixed refrigerant, the 0DP value of the mixed refrigerant is 0, no damage to the ozone layer, and the greenhouse effect coefficient is low; used in heat pumps and air-conditioning devices can improve the performance coefficient of the device by 39%, and save energy by 42%. Used in refrigeration equipment can improve the coefficient of performance of the equipment by 37%, and save energy by 40%.

Embodiment 2

[0022] 30% CH by mass percentage 2 f 2 (R32), 40% CHF 2 CF 3 (R125), 28% CH 2 FCF 3 (R134a) and / or CHF 2 CHF 2 (R134), 2% CH 3 CH=CH 2 (R1270) to form a multi-component mixed refrigerant, the ODP value of the mixed refrigerant is 0, has no destructive effect on the ozone layer, and has a low greenhouse effect coefficient; when used in heat pumps and air-conditioning devices, it can improve the performance coefficient of the device by 37%, and save energy by 40%. When used in a refrigeration device, the performance coefficient of the device can be improved by 37%, and the energy saving can be saved by 39%.

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PUM

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Abstract

The present invention provides a energy-saving, environmental multicomponent refrigerant, which comprises 5 to 60wt% difluoromethane (R32), 3 to 7-wt% pentafluoroethane (R125), 1 to 70wt% 1,1,1,2-tetrafluoroethane (R134a) and / or 1,1,2,2-tetrafluoroethane (R134), and 1 to 10wt% propylene (R1270). This refrigerant does not destroy stratosphere ozone layer, has low greenhouse effect latent energy, significantly improves energy-saving effect. It can save 30 to 45% energy for use in heat pump and air conditioning, and 25 to 45% for use in refrigeration respectively. Its advantage is good stability, compatibility, adaptability and practicality. The present refrigerant can be use as heat transfer medium, spray propellant, foaming agent, electric insulation medium, power circulating working medium, detergent, solvent and the like.

Description

technical field [0001] The invention mainly relates to engineering technical fields such as heating, refrigeration, thermal power, etc., and in particular relates to an energy-saving and environment-friendly multi-element mixed refrigerant suitable for air conditioners, heat pumps and refrigeration devices. Background technique [0002] As we all know, in traditional refrigeration and heat pump devices such as air conditioners, refrigerators, and refrigerators, halogenated hydrocarbons obtained from alkane series derivatives are usually used as refrigerants. In the prior art, chlorodifluoromethane (CHClF 2 , R22, boiling point -40.8°C) and R502 (an azeotropic mixture composed of R22 and R115) have been widely used as refrigerants in refrigeration devices such as air conditioners, freezers, and refrigerators; at the same time, halogenated hydrocarbons are also widely used in fire protection , cleaning, production of foam polymers and other fields. [0003] However, in recent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K3/30C09K5/04C11D7/24C11D7/28C11D7/50
CPCC09K3/30C09K5/045C09K2205/12C11D7/241C11D7/28C11D7/5018Y02P20/10
Inventor 顾雏军
Owner 顾雏军