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CFC-12 substituting environmental-protective cryogen

A refrigerant and environment-friendly technology, applied in the field of working medium of the refrigeration cycle, can solve the problems of system incompatibility, changing the core components of the compressor, etc., and achieve the effect of small greenhouse effect, low manufacturing cost and low condensation pressure

Active Publication Date: 2007-01-17
ZHEJIANG LANTIAN ENVIRONMENTAL PROTECTION HI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, regardless of HFC-134a, HC-600a or mixed working fluid with ODP=0, there are incompatibility with the original system, and the core components such as the compressor need to be changed, which cannot be used as a direct filling replacement for the original CFC-12 refrigeration system shortcoming

Method used

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  • CFC-12 substituting environmental-protective cryogen

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Example 1: HFC-161, HFC-152a and HC-600 were physically mixed in a liquid phase at a mass percentage of 1:98:1.

Embodiment 2

[0034] Example 2: Physically mix HFC-161, HFC-152a and HC-600 in a liquid phase at a mass percentage of 15:80:5.

Embodiment 3

[0035] Example 3: HFC-161, HFC-152a and HC-600 were physically mixed in a liquid phase at a mass percentage of 25:70:5.

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Abstract

An environmental-protective cryogen for substituting CFC-12 consists of HFC-161 and1,1-HFC-152a and hydrocarbon, which is selected from one or above one of HC-600a, HC-600 and HC-290. The ODP value of cryogen is zero, GWP value is much less than CFC-12 and HFC-134a. It has excellent environmental and thermal performances, thermal-power parameter, and it saves energy. It can be used for crude HFC-134a, ester oil system, crude CFC-12 and mineral oil system or CFC-12 substitute.

Description

technical field [0001] The invention relates to a working medium of a refrigeration cycle, in particular to a novel environment-friendly refrigerant replacing CFC-12. Background technique [0002] Among chlorofluorocarbon (CFC) refrigerants, CFC-12 has long been widely used in automotive air conditioners, household refrigerators and industrial cold storage due to its excellent thermal performance, stable chemical performance, non-toxicity, and non-flammability. [0003] However, because CFC-12 has a certain destructive effect on the ozone layer in the atmospheric stratosphere, its ODP (Ozone Depletion Potential) value is 0.82 (with CFC-11 as the reference value 1.0), so "About Ozone Depletion Substances of the Montreal Protocol will contain CFC-12 CFC s As the first batch of eliminated substances. At present, developed countries have stopped the production of CFC-12, and my country is also reducing its production and usage year by year, and plans to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K5/04
Inventor 郭智恺
Owner ZHEJIANG LANTIAN ENVIRONMENTAL PROTECTION HI TECH
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