Composition containing refrigerant, use of said composition, refrigerator having said composition, and method for operating said refrigerator

1. A composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), 2,3,3,3-tetrafluoro-1-propene (R1234yf), and difluoromethane (R32),

wherein

when the mass % of HFO-1132(E), HFO-1123, R1234yf, and R32 based on their sum in the refrigerant is respectively represented by x, y, z, and a,

if 0<a≤11.1, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is (100−a) mass % are within the range of a figure surrounded by straight lines GI, IA, AB, BD′, D′C, and CG that connect the following 6 points:

point G (0.026a 2 −1.7478a+72.0, −0.026a 2 +0.7478a+28.0, 0.0),

point I (0.026a 2 −1.7478a+72.0, 0.0, −0.026a 2 +0.7478a+28.0),

point A (0.0134a 2 −1.9681a+68.6, 0.0, −0.0134a 2 +0.9681a+31.4),

point B (0.0, 0.0144a 2 −1.6377a+58.7, −0.0144a 2 +0.6377a+41.3),

point D′ (0.0, 0.0224a 2 +0.968a+75.4, −0.0224a 2 −1.968a+24.6), and

point C (−0.2304a 2 −0.4062a+32.9, 0.2304a 2 −0.5938a+67.1, 0.0),

or on the straight lines GI, AB, and D′C (excluding point G, point I, point A, point B, point D′, and point C);

if 11.1<a≤18.2, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines GI, IA, AB, BW, and WG that connect the following 5 points:

point G (0.02a 2 −1.6013a+71.105, −0.02a 2 +0.6013a+28.895, 0.0),

point I (0.02a 2 −1.6013a+71.105, 0.0, −0.02a 2 +0.6013a+28.895),

point A (0.0112a 2 −1.9337a+68.484, 0.0, −0.0112a 2 +0.9337a+31.516),

point B (0.0, 0.0075a 2 −1.5156a+58.199, −0.0075a 2 +0.5156a+41.801), and

point W (0.0, 100.0−a, 0.0),

or on the straight lines GI and AB (excluding point G, point I, point A, point B, and point W);

if 18.2<a≤26.7, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines GI, IA, AB, BW, and WG that connect the following 5 points:

point G (0.0135a 2 −1.4068a+69.727, −0.0135a 2 +0.4068a+30.273, 0.0),

point I (0.0135a 2 −1.4068a+69.727, 0.0, −0.0135a 2 +0.4068a+30.273),

point A (0.0107a 2 −1.9142a+68.305, 0.0, −0.0107a 2 +0.9142a+31.695),

point B (0.0, 0.009a 2 −1.6045a+59.318, −0.009a 2 +0.6045a+40.682), and

point W (0.0, 100.0−a, 0.0),

or on the straight lines GI and AB (excluding point G, point I, point A, point B, and point W);

if 26.7<a≤36.7, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines GI, IA, AB, BW, and WG that connect the following 5 points:

point G (0.0111a 2 −1.3152a+68.986, −0.0111a 2 +0.3152a+31.014, 0.0),

point I (0.0111a 2 −1.3152a+68.986, 0.0, −0.0111a 2 +0.3152a+31.014),

point A (0.0103a 2 −1.9225a+68.793, 0.0, −0.0103a 2 +0.9225a+31.207),

point B (0.0, 0.0046a 2 −1.41a+57.286, −0.0046a 2 +0.41a+42.714), and

point W (0.0, 100.0−a, 0.0),

or on the straight lines GI and AB (excluding point G, point I, point A, point B, and point W); and

if 36.7<a≤46.7, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines GI, IA, AB, BW, and WG that connect the following 5 points:

point G (0.0061a 2 −0.9918a+63.902, −0.0061a 2 −0.0082a+36.098, 0.0),

point I (0.0061a 2 −0.9918a+63.902, 0.0, −0.0061a 2 −0.0082a+36.098),

point A (0.0085a 2 −1.8102a+67.1, 0.0, −0.0085a 2 +0.8102a+32.9),

point B (0.0, 0.0012a 2 −1.1659a+52.95, −0.0012a 2 +0.1659a+47.05), and

point W (0.0, 100.0−a, 0.0),

or on the straight lines GI and AB (excluding point G, point I, point A, point B, and point W), and

wherein the composition comprises HFO-1132(E), HFO-1123, R1234yf, and R32 in a total amount of 99.5 mass % or more based on the entire refrigerant.

2. A composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), 2,3,3,3-tetrafluoro-1-propene (R1234yf), and difluoromethane (R32),

wherein

when the mass % of HFO-1132(E), HFO-1123, R1234yf, and R32 based on their sum in the refrigerant is respectively represented by x, y, z, and a,

if 0<a≤11.1, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFO-1132(E), HFO-1123, and R1234yf is (100−a) mass % are within the range of a figure surrounded by straight lines JK′, K′B, BD′, D′C, and CJ that connect the following 5 points:

point J (0.0049a 2 −0.9645a+47.1, −0.0049a 2 −0.0355a+52.9, 0.0),

point K′ (0.0514a 2 −2.4353a+61.7, −0.0323a 2 +0.4122a+5.9, −0.0191a 2 +1.0231a+32.4),

point B (0.0, 0.0144a 2 −1.6377a+58.7, −0.0144a 2 +0.6377a+41.3),

point D′ (0.0, 0.0224a 2 +0.968a+75.4, −0.0224a 2 −1.968a+24.6), and

point C (−0.2304a 2 −0.4062a+32.9, 0.2304a 2 −0.5938a+67.1, 0.0),

or on the straight lines JK′, K′B, and D′C (excluding point J, point B, point D′, and point C);

if 11.1<a≤18.2, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines JK′, K′B, BW, and WJ that connect the following 4 points:

point J (0.0243a 2 −1.4161a+49.725, −0.0243a 2 +0.4161a+50.275, 0.0),

point K′ (0.0341a 2 −2.1977a+61.187, −0.0236a 2 +0.34a+5.636, −0.0105a 2 +0.8577a+33.177),

point B (0.0, 0.0075a 2 −1.5156a+58.199, −0.0075a 2 +0.5156a+41.801), and

point W (0.0, 100.0−a, 0.0),

or on the straight lines JK′ and K′B (excluding point J, point B, and point W);

if 18.2<a≤26.7, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines JK′, K′B, BW, and WJ that connect the following 4 points:

point J (0.0246a 2 −1.4476a+50.184, −0.0246a 2 +0.4476a+49.816, 0.0),

point K′ (0.0196a 2 −1.7863a+58.515, −0.0079a 2 −0.1136a+8.702, −0.0117a 2 +0.8999a+32.783),

point B (0.0, 0.009a 2 −1.6045a+59.318, −0.009a 2 +0.6045a+40.682), and

point W (0.0, 100.0−a, 0.0),

or on the straight lines JK′ and K′B (excluding point J, point B, and point W);

if 26.7<a≤36.7, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines JK′, K′A, AB, BW, and WJ that connect the following 5 points:

point J (0.0183a 2 −1.1399a+46.493, −0.0183a 2 +0.1399a+53.507, 0.0),

point K′ (−0.0051a 2 +0.0929a+25.95, 0.0, 0.0051a 2 −1.0929a+74.05),

point A (0.0103a 2 −1.9225a+68.793, 0.0, −0.0103a 2 +0.9225a+31.207),

point B (0.0, 0.0046a 2 −1.41a+57.286, −0.0046a 2 +0.41a+42.714), and

point W (0.0, 100.0−a, 0.0),

or on the straight lines JK′, K′A, and AB (excluding point J, point B, and point W); and

if 36.7<a≤46.7, coordinates (x,y,z) in the ternary composition diagram are within the range of a figure surrounded by straight lines JK′, K′A, AB, BW, and WJ that connect the following 5 points:

point J (−0.0134a 2 +1.0956a+7.13, 0.0134a 2 −2.0956a+92.87, 0.0),

point K′ (−0.1892a+29.443, 0.0, −0.8108a+70.557),

point A (0.0085a 2 −1.8102a+67.1, 0.0, −0.0085a 2 +0.8102a+32.9),

point B (0.0, 0.0012a 2 −1.1659a+52.95, −0.0012a 2 +0.1659a+47.05), and

point W (0.0, 100.0−a, 0.0),

or on the straight lines JK′, K′A, and AB (excluding point J, point B, and point W), and

wherein the composition comprises HFO-1132(E), HFO-1123, R1234yf, and R32 in a total amount of 99.5 mass % or more based on the entire refrigerant.

3. The composition according to claim 1 , for use as a working fluid for a refrigerating machine, wherein the composition further comprises a refrigerant oil.

4. The composition according to claim 1 , for use as an alternative refrigerant for R410A.

5. A refrigerating machine designed for operation using R410A comprising the composition according to claim 1 as a working fluid.

6. A method for operating a refrigerating machine designed for operation using R410A, comprising the step of circulating the composition according to claim 1 as a working fluid in the refrigerating machine.

7. The composition according to claim 2 , for use as a working fluid for a refrigerating machine, wherein the composition further comprises a refrigerant oil.

8. The composition according to claim 2 , for use as an alternative refrigerant for R410A.

9. The composition according to claim 3 , for use as an alternative refrigerant for R410A.

10. The composition according to claim 7 , for use as an alternative refrigerant for R410A.

11. A refrigerating machine designed for operation using R410A comprising the composition according to claim 2 as a working fluid.

12. A refrigerating machine designed for operation using R410A comprising the composition according to claim 3 as a working fluid.

13. A refrigerating machine designed for operation using R410A comprising the composition according to claim 7 as a working fluid.

14. A method for operating a refrigerating machine designed for operation using R410A, comprising the step of circulating the composition according to claim 2 as a working fluid in the refrigerating machine.

15. A method for operating a refrigerating machine designed for operation using R410A, comprising the step of circulating the composition according to claim 3 as a working fluid in the refrigerating machine.

16. A method for operating a refrigerating machine designed for operation using R410A, comprising the step of circulating the composition according to claim 7 as a working fluid in the refrigerating machine.