Fire extinguishing mixtures, methods and systems
View Patent ↗Fire extinguishing mixtures, systems and methods are provided. The fire extinguishing mixtures can include one or more extinguishing compounds, such as, for example, one or more of fluorocarbons, fluoroethers, and fluorocarbons. The fire extinguishing mixtures can also include one or more of nitrogen, argon, helium and carbon dioxide. In an exemplary aspect the extinguishing mixture includes an extinguishing compound, a diluent gas and water.
1. A mixture within a space, comprising:
at least two components; a first component of the at least two components comprising a diluent gas; a second component of the at least two components comprising an extinguishing compound, wherein the extinguishing compound comprises one or more of CF 3 CBR═CH 2, CF 3 CH═CHBr, CF 2 BrCH=CH 2, and CF 2 BrCF 2 CH═CH 2 ; and
wherein the first component comprises from about 4% (v/v) to about 28% (v/v) of the space.
2. The mixture of claim 1 wherein the diluent gas comprises nitrogen.
3. The mixture of claim 1 wherein the extinguishing compound comprises CF 3 CBr═CH 2 .
4. The mixture of claim 3 wherein the CF 3 CBr═CH 2 comprises from about 0.2% (v/v) to about 4.2% (v/v) of the space.
5. The mixture of claim 1 wherein the extinguishing compound consists essentially of CF 3 CBr═CH 2 .
6. The mixture of claim 1 wherein the extinguishing compound consists of CF 3 CBr═CH 2 .
7. A mixture within a space, comprising:
at least three components; a first component of the at least three components comprising a diluent gas; a second component of the at least three components comprising an extinguishing compound; a third component of the at least three components comprising water, wherein the water particle size is about 100 μm; and
wherein the first component comprises from about 4% (v/v) to about 28% (v/v) of the space.
8. A mixture within a space, comprising:
at least three components; a first component of the at least three components comprising a diluent gas; a second component of the at least three components comprising an extinguishing compound; a third component of the at least three components comprising water, wherein the extinguishing compound comprises CF 3 CF 2 C(O)CF(CF 3 ) 2 ; and
wherein the first component comprises from about 4% (v/v) to about 28% (v/v) of the space, and the CF 3 CF 2 C(O)CF(CF 3 ) 2 comprises from about 1.7% (v/v) to about 3.8% (v/v) of the space.
9. A mixture within a space, comprising:
at least two components; a first component of the least two components comprising a fluorocarbon; a second component of the at least two components comprising water; and
wherein the first component comprises from about 1% (v/v) to about 10% (v/v) of the space.
10. The mixture of claim 9 wherein the fluorocarbon is selected from the group comprises one or more of trifluoromethane (CF 3 H), pentafluoroethane (CF 3 CF 2 H) 1,1,1,2-tetrafluoroethane (CF 3 CH 2 F), 1,1,2,2-tetrafluoroethane (HCF 2 CF 2 H), 1,1,1,2,3,3,3-heptafluoropropane (CF 3 CHFCF 3 ), 1,1,1,2,2,3,3-heptafluoropropane (CF 3 CF 2 CF 2 H), 1,1,1,3,3,3-hexafluoropropane (CF 3 CH 2 CF 3 ), 1,1,1,2,3,3-hexafluoropropane (CF 3 CHFCF 2 H), 1,1,2,2,3,3-hexafluoropropane (HCF 2 CF 2 CF 2 H), 1,1,1,2,2,3-hexafluoropropane (CF 3 CF 2 CH 2 F), 1,1,1,2,2-pentafluorobutane (CF 3 CH 2 CF 2 CH 3 ), CF 3 CBr═CH 2 , CF 3 CH═CHBr, CF 2 BrCH═CH 2 , CF 2 BrCF 2 CH═CH 2 and CF 3 CBr═CF 2 .
11. The mixture of claim 9 wherein the fluorocarbon comprises heptafluoropropane.
12. The mixture of claim 11 wherein the heptafluoropropane comprises from about 4% (v/v) to about 9% (v/v) of the space.
13. The mixture of claim 9 wherein the fluorocarbon consists essentially of heptafluoropropane.
14. The mixture of claim 9 wherein the fluorocarbon consists of heptafluoropropane.
15. The mixture of claim 9 wherein the water particle size is about 100 μm.
16. A mixture within a space comprising:
at least two components; a first component of the at least two components comprising an extinguishing compound comprising one or more of fluoroethers, bromofluoropropenes and fluoroketones; and a second component of the at least two components comprising a suppressing additive comprising water.
17. The mixture of claim 16 wherein the suppressing additive further comprises a diluent gas and the diluent gas comprises nitrogen.
18. The mixture of claim 17 wherein the nitrogen comprises from about 4% (v/v) to about 28% (v/v) of the space.
19. The mixture of claim 16 wherein the extinguishing compound comprises CF 3 CF 2 C(O)CF(CF 3 ) 2 .
20. The mixture of claim 19 wherein the CF 3 CF 2 C(O)CF(CF 3 ) 2 comprises from about 1.7% (v/v) to about 3.8% (v/v) of the space.
21. The mixture of claim 16 wherein the extinguishing compound comprises CF 3 CHFCF 2 OCHF 2 .
22. The mixture of claim 21 wherein the CF 3 CHFCF 2 OCHF 2 comprises from about 0.2% (v/v) to about 4.8% (v/v) of the space.
23. The mixture of claim 16 wherein the water particle size about 100 μm.
24. A mixture within a space, comprising at least two components; a first component of the at least two components comprising an extinguishing compound comprising CF 3 CBr═CH 2 ; and a second component of the at least two components comprising a suppressing additive selected from the group comprising a diluent gas or water.
25. The mixture of claim 24 wherein the CF 3 CBr═CH 2 comprising from about 0.2% (v/v) to about 4.2% (v/v) of the space.
26. A method for one or more of extinguishing, suppressing or preventing a fire in a space by introducing to the space a mixture comprising a diluent gas and an extinguishing compound comprising CF 3 CBr═CH 2 .
27. The method of claim 26 wherein the diluent gas comprises nitrogen.
28. The system of claim 27 wherein the nitrogen comprises from about 4% (v/v) to about 28% (v/v) of the space.
29. The system of claim 26 wherein the CF 3 CBr═CH 2 comprises from about 0.2% (v/v) to about 4.2% (v/v) of the space.
30. A method for one or more of extinguishing, supressing or preventing a fire in a space by introducing to the space a mixture comprising:
a diluent gas;
an extinguishing compound selected from the group comprising fluoroethers, bromofluoropropenes or fluoroketones; and
water, wherein the water particle size is about 100 μm.
31. A method for at least one of extinguishing, suppressing or preventing a fire in a space by introducing to the space a mixture comprising:
at least two components; a first component of the at least two components comprising a fluorocarbon; a second component of the at least two components comprising water; and
wherein the first component comprises from about 1% (v/v) to about 10% (v/v) of the space.
32. The method of claim 31 wherein the fluorocarbon comprises heptafluoropropane.
33. A fire extinguishing, preventing or suppressing system configured to introduce to a space a mixture comprising:
a diluent gas;
an extinguishing compound selected from the group comprising fluoroethers, bromofluoropropenes or fluoroketones; and water.
34. The system of claim 33 wherein the diluent gas comprises nitrogen.
35. The mixture of claim 34 wherein the nitrogen comprises from about 4% (v/v) to about 28% (v/v) of the space.
36. The system of claim 33 wherein the extinguishing compound comprises CF 3 CF 2 C(O)CF(CF 3 ) 2 .
37. The system of claim 36 wherein the CF 3 CF 2 C(O)CF(CF 3 ) 2 comprises from about 1.0% (v/v) to about 4.0% (v/v) of the space.
38. The system of claim 33 wherein the extinguishing compound comprises CF 3 CHFCF 2 OCHF 2 .
39. The system of claim 38 wherein the CF 3 CHFCF 2 OCHF 2 comprises from about 0.1% (v/v) to about 4.8% (v/v) of the space.
40. A fire extinguishing, preventing or suppressing system configured to introduce to a space a mixture comprising a diluent gas and an extinguishing compound comprising CF 3 CBr═CH 2 .
41. The method of claim 40 wherein the CF 3 CBr═CH 2 comprises from about 0.2% (v/v) to about 4.2% (v/v) of the space.
42. The system of claim 40 wherein the mixture further comprises water.
43. The system of claim 42 wherein the water particle size is about 100 μm.
44. A fire extinguishing, preventing or suppressing system configured to introduce to a space a mixture comprising:
at least two components; a first component of the at least two components comprising a fluorocarbon; a second component of the at least two components comprising water; and
wherein the first component comprises from about 4% (v/v) to about 9% (v/v) of the space.
45. The system of claim 44 wherein the fluorocarbon comprises heptafluoropropane.