KR920700718A - Digestive composition, extinguishing method and system using bromodifluoromethane - Google Patents

Abstract

No content

Description

Digestive composition, extinguishing method and system using bromodifluoromethane

Since this is an open matter, no full text was included.

1 is a perspective view of a room interior with a total flooding system in accordance with an aspect of the present invention. 2 is a schematic cross sectional view of a portable fire extinguisher useful in accordance with the present invention. 3 is a schematic diagram showing the connection between the container of the fire extinguisher including the O-ring seal with EPDM rubber and the valve for injection of the extinguishing composition from the fire extinguisher.

Claims (31)

In the extinguishing method, the method comprises the following steps: a. Fire extinguishing concentration of a composition consisting essentially of a bromodifluoromethane or bromodifluoromethane mixture and a propellant coexistable; And b. A method of extinguishing high efficacy and reduced ozone depletion, which comprises maintaining the extinguishing concentration of the composition until the light goes out. The method of claim 1 wherein the process a) consists in releasing the composition from the pressurized container. 3. The composition of claim 2, wherein the composition consists of a bromodifluoromethane and a co-propellant, wherein the composition in the first container consists of a liquid and gaseous phase having an equilibrium pressure of about 45 psig to about 600 psig at ambient temperature. How to extinguish. The composition of claim 3 wherein the composition in the container consists essentially of bromodifluoromethane and a propellant selected from nitrogen, carbon dioxide, trifluoromethane, monosodium tetrafluoride, argon and mixtures thereof, wherein the composition is less than 0.1 Fire extinguishing method characterized by having ozone depletion. In the extinguishing method, the method comprises the following steps: a. Extinguishing concentration of the mixture of bromodiflumethane and carbon fluoride extinguishing agent was put on fire; And b. A high potency and reduced ozone depleting extinguishing method, characterized by maintaining the extinguishing concentration of the composition until the light goes out. The method of claim 5 wherein the mixture consists essentially of bromodifluoromethane and carbon fluoride extinguishing agent. 6. The method of claim 5 wherein the mixture has a phase equilibrium pressure of about 45 psig to about 600 psig at 70 ° F. 6. The method of claim 5 wherein the digestive concentration is about 45% (v / v) or less. 6. The mixture of claim 5 wherein the mixture is bromotrifluoromethane, bromochlorodifluoromethane, chlorodifluoromethane, chlorotrifluoromethane, heptafluoropropane, 1, 1, 1, 2, 3, 3 , -Hexafluoropropane, 1, 1, 1, 3, 3, 3-hexafluoropropane, pentafluoroethane, 2-chloro-1, 1, 1, 2-tetrafluoroethane, dibromodifluoro Romethane dibromotetrafluoroethane chloropentafluoroethane, 2-bromo-1, 1, 1, 2-tetrafluoroethane, C ₂ F ₆ , C ₃ F ₈ , C ₄ F ₁₀ , 1- A mixture of carbon fluoride bromodifluoromethane selected from the group consisting of bromo-1, 1, 2, 2-tetrafluoroethane, 1-chloro-1, 1, 1, 2-tetrafluoromethane and mixtures thereof Digestion method, characterized in that made. The method of claim 9 wherein the fluorocarbon extinguishing agent is bromochlorodifluoromethane. 10. A fire extinguishing method according to claim 9, wherein the fluorocarbon extinguishing agent is bromotrifluoromethane. 10. The method of claim 9 wherein the fluorocarbon extinguishing agent is heptafluoromethane. 10. A fire extinguishing method according to claim 9, wherein the fluorocarbon extinguishing agent is 2-chloro-1, 1, 1, 2-tetrafluoroethane. The method of claim 5 wherein a. Wherein said input of the process consists of pressurizing the mixture in a sealed container and releasing the mixture under pressure from the container to disperse the mixture in the vicinity of the fire. It consists of a mixture of bromodifluoromethane and propellant of at least about 70% by weight, having a low ozone depletion, and a liquid and gaseous mixture having a phase equilibrium pressure of about 45 psig to about 600 psig at 70 ° F. Extinguishing agent composition characterized in. The extinguishing agent composition of claim 15, wherein the propellant comprises a gas selected from the group consisting of nitrogen, carbon dioxide, trifluoromethane, carbon tetrafluoride, and argon. A fire extinguishing composition comprising a mixture of bromodifluoromethane and carbon fluoride extinguishing agent having high extinguishing efficacy and low ozone depletion. 18. The extinguishing composition of claim 17, wherein said extinguishing composition has a phase equilibrium pressure of about 45 psig to about 600 psig at 70 ° F. 18. An extinguishing agent composition according to claim 17, consisting essentially of a mixture of bromodifluoromethane and a fluorocarbon extinguishing agent. 18. A fire extinguishing composition according to claim 17, further comprising a co-existent injector. 18. The method of claim 17, wherein the fluorinated carbon extinguishing agent is bromotrifluoromethane, bromochlorodifluoromethane, chlorodifluoromethane, chlorotrifluoromethane, heptafluoropropane, 3, 3, -hexafluoropropane, 1, 1, 1, 3, 3, 3-hexafluoropropane, pentafluoroethane, 2-chloro-1, 1, 1, 2-tetrafluoroethane, di Bromodifluoromethane, dibromotetrafluoroethane, chloropentafluoroethane, 2-bromo-1, 1, 1, 2-tetrafluoroethane, C ₂ F ₆ , C ₃ F ₈ , C ₄ F ₁₀ , 1-bromo-1, 1, 2, 2-tetrafluoroethane, 1-chloro-1, 1, 2, 2-tetrafluoroethane and mixtures thereof Extinguishing agent composition. The method of claim 21, wherein the mixture is bromotrifluoromethane, bromochlorodifluoromethane, chlorodifluoromethane, chlorotrifluoromethane, heptafluoropropane, 1, 1, 1, 2, 3, 3 , -Hexafluoropropane, 1, 1, 1, 3, 3, 3-hexafluoropropane, pentafluoroethane, 2-chloro-1, 1, 1, 2-tetrafluoroethane, dibromodifluoromethane , Dibromotetrafluoroethane, chloropentafluoroethane, 2-bromo-1, 1, 1, 2-tetrafluoroethane, C ₂ F ₆ , C ₃ F ₈ , C ₄ F ₁₂ , 1- Bromodifluoromethane and a fluorocarbon extinguishing agent selected from the group consisting of bromo-1, 1, 2, 2-tetrafluoroethane, 1-chloro-1, 1, 2, 2-tetrafluoroethane and mixtures thereof Extinguishing agent composition, characterized in that consisting essentially. The extinguishing agent of claim 22, wherein the fluorocarbon extinguishing agent is bromochlorodifluoromethane. 23. A fire extinguishing composition according to claim 22, wherein the fluorocarbon fire extinguishing agent is bromotrifluoromethane. The extinguishing agent composition of claim 22 wherein the carbon fluoride extinguishing agent is heptafluoropropane. 23. A fire extinguishing composition according to claim 22, wherein the fluorocarbon fire extinguishing agent is 2-chloro-1, 1, 1, 2-tetrafluoroethane. 22. A fire extinguishing composition according to claim 21, wherein the coexistent propellant is further comprised. A fire extinguishing system comprising: a system; Container; A fire extinguishing agent composition in the container; And a device for releasing the concentration of digestion of the composition from fire in the container, wherein the extinguishing agent composition has high extinguishing efficacy and low ozone depletion properties, and the extinguishing composition is a. Bromodifluoromethane, b. A mixture of bromodifluoromethane and a compatible propellant, c. Bromotrifluoromethane, bromochlorodifluoromethane, chlorodifluoromethane, chlorotrifluoromethane, heptafluoropropane, 1, 1, 1, 2, 3, 3, -hexafluoropropane, 1 , 1, 1, 3, 3, 3-hexafluoropropane, pentafluoroethane, 2-chloro-1, 1, 1, 2-tetrafluoroethane, dibromodifluoromethane, dibromotetrafluoro Ethane, chloropentafluoroethane, 2-bromo-1, 1, 1, 2-tetrafluoroethane, C ₂ F ₆ , C ₃ F ₈ , C ₄ F ₁₀ , 1-bromo-1, 1, Mixtures of bromodifluoromethane and fluorocarbon extinguishing agents selected from the group consisting of 2, 2-tetrafluoroethane, 1-chloro-1, 1, 2, 2-tetrafluoroethane and mixtures thereof, or d. A fire extinguishing system, consisting essentially of a mixture of bromodifluoromethane, a fluorocarbon extinguishing agent, and a coexistent propellant. 29. The fire extinguishing composition of claim 28, wherein the extinguishing agent composition consists essentially of a bromodifluoromethane and a propellant selected from the group consisting of nitrogen, carbon dioxide, trifluoromethane carbon tetrafluoride, argon and mixtures thereof, and has an ozone depletion of less than about 1 Digestive system, characterized in that having sex. 29. A fire extinguishing system according to claim 28, wherein said discharge device comprises a device for pressurizing said extinguishing agent containing a coexistent propellant in a container. 29. A fire extinguishing system according to claim 28, further comprising a sealing device for sealing the container and the discharge device for preventing leakage of the composition. ※ Note: The disclosure is based on the initial application.