Composition for heat cycle system and heat cycle system
There are provided a composition for a heat cycle system containing a working medium for heat cycle that has a low global warming potential and high stability, which can be used as a substitute for HFC-134a and HFC-245fa, and a heat cycle system using this composition. The composition for a heat cycle system contains: a working medium for heat cycle containing 1-chloro-2,3,3,3-tetrafluoropropene; and a stabilizer suppressing deterioration of the working medium for heat cycle such as an oxidation resistance improver, a heat resistance improver, or a metal deactivator, and the heat cycle system uses this composition for a heat cycle system.
1. A composition for a heat cycle system comprising:
a working medium for heat cycle comprising 1-chloro-2,3,3,3-tetrafluoropropene; and
a stabilizer suppressing deterioration of the working medium for heat cycle, wherein the stabilizer is at least one selected from the group consisting of nitromethane, 1,4-benzoquinone, 3-methoxyphenol, and phenothiazine.
2. The composition for a heat cycle system according to claim 1 ,
wherein the 1-chloro-2,3,3,3-tetrafluoropropene comprises (Z)-1-chloro-2,3,3,3-tetrafluoropropene and (E)-1-chloro-2,3,3,3-tetrafluoropropene at a ratio of 51:49 to 100:0 by mass ratio represented by (Z)-1-chloro-2,3,3,3-tetrafluoropropene:(E)-1-chloro-2,3,3,3-tetrafluoropropene.
3. The composition for a heat cycle system according to claim 1 ,
wherein the composition comprises 1 mass ppm to 10 mass % of the stabilizer.
4. The composition for a heat cycle system according to claim 1 , further comprising a refrigerant oil.
5. The composition for a heat cycle system according to claim 4 ,
wherein the refrigerant oil is at least one selected from the group consisting of an ester-based refrigerant oil, an ether-based refrigerant oil, a hydrocarbon-based refrigerant oil, and a naphthenic refrigerant oil.
6. The composition for a heat cycle system according to claim 1 ,
wherein the working medium for heat cycle further comprises a saturated hydrofluorocarbon.
7. The composition for a heat cycle system according to claim 1 ,
wherein the working medium for heat cycle further comprises a hydrofluoroolefin.
8. The composition for a heat cycle system according to claim 1 ,
wherein the working medium for heat cycle further comprises a hydrochlorofluoroolefin other than the 1-chloro-2,3,3,3-tetrafluoropropene.
9. The composition for a heat cycle system according to claim 1 ,
wherein a proportion of the 1-chloro-2,3,3,3-tetrafluoropropene to the working medium for heat cycle is 10 to 100 mass %.
10. The composition for a heat cycle system according to claim 9 ,
wherein a content of the 1-chloro-2,3,3,3-tetrafluoropropene with respect to 100 mass % of the working medium for heat cycle is 20 to 95 mass %.
11. A heat cycle system comprising the composition for a heat cycle system according to claim 1 .
12. The heat cycle system according to claim 11 ,
wherein the heat cycle system is a refrigerating apparatus, an air-conditioning apparatus, a power generation system, a heat transport apparatus, or a secondary cooling machine.
13. The heat cycle system according to claim 11 ,
wherein the heat cycle system is a centrifugal refrigerator.
14. The heat cycle system according to claim 11 ,
wherein the heat cycle system is a low-pressure centrifugal refrigerator.