Refrigerant Composition to Suppress Disproportionation Reactions
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Solution Overview
Problem
Refrigerants that undergo disproportionation reactions pose stability issues in air-conditioning systems, leading to potential explosions due to chain reactions, which existing technologies fail to adequately prevent.
Innovation Solution
A composition comprising a refrigerant that includes both refrigerants that undergo disproportionation and those that do not, with a specific formulation where the refrigerant concentration and thermal diffusivity satisfy certain logarithmic relationships to suppress disproportionation reactions, thereby enhancing stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If refrigerants that undergo disproportionation reactions are used, then refrigeration performance is improved, but stability deteriorates due to potential explosions from chain reactions
Solution Approach 1:
The patent introduces a specific refrigerant composition as an intermediary substance that mediates between the need for high refrigeration performance and the requirement for system stability. The composition containing HFO-1132(E), HFO-1132(Z), and HFO-1123 in controlled proportions acts as a safe alternative that maintains productivity while eliminating the explosion hazard associated with conventional refrigerants that undergo disproportionation reactions
Solution Approach 2:
The patent applies parameter changes by precisely controlling the concentration ratios of different HFO components in the refrigerant mixture. By adjusting the proportions of HFO-1132(E), HFO-1132(Z), and HFO-1123 to specific ranges, the system achieves optimal refrigeration performance while maintaining stability below explosion thresholds, thus resolving the contradiction through quantitative parameter optimization
2Productivity
If refrigerant concentration is increased to improve cooling efficiency, then refrigeration performance is improved, but the risk of disproportionation reactions increases
Solution Approach 1:
The patent converts the potential harm of high-concentration refrigerant mixtures into a benefit by selecting HFO components that, when combined in specific proportions, achieve high cooling efficiency while inherently suppressing disproportionation reactions. The specific composition transforms what would be a hazardous high-concentration mixture into a safe and efficient refrigerant system
Data Source
AI summary
An object of the present disclosure is to provide a composition in which a disproportionation reaction of a refrigerant is suppressed, and in which the refrigerant has excellent stability. Another object of the present disclosure is to provide a composition comprising a refrigerant useful for air-conditioning systems. The composition comprises a refrigerant, wherein the refrigerant comprises a refrigerant that undergoes disproportionation and a refrigerant that does not undergo disproportionation.