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The Role Of Nitrogen In The Process Of Heptafluoropropane Gas Fire Extinguishing

Views: 133    Time: 2024-07-06 14:03:31

In the process of heptafluoropropane gas fire extinguishing, the role of nitrogen is mainly reflected in the following aspects:

Firstly, nitrogen has the characteristics of non flammability and non combustion support. Therefore, adding nitrogen to heptafluoropropane can effectively dilute the oxygen concentration, thereby slowing down the combustion and explosion rate of heptafluoropropane and preventing its spontaneous combustion and explosion.

Secondly, nitrogen can increase the pressure and injection distance of heptafluoropropane. At the fire scene, heptafluoropropane needs to be sprayed through the system to the vicinity of the ignition point to achieve the purpose of extinguishing the fire. After adding nitrogen, the pressure and spraying distance of heptafluoropropane are increased, thereby improving its fire extinguishing efficiency.

In addition, nitrogen can also be used to prevent heptafluoropropane from producing decomposition products such as nitrogen trifluoride during the fire extinguishing process. These decomposition products may be harmful to the human body, and nitrogen can dilute these chemicals to reduce their damage to the human body.

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Finally, nitrogen is commonly used as the driving gas in heptafluoropropane fire extinguishing devices. Due to the relatively low saturation vapor pressure of heptafluoropropane fire extinguishing agent at atmospheric pressure, nitrogen is needed to provide sufficient pressure to ensure that the fire extinguishing agent can be effectively sprayed into the fire source area.

Overall, nitrogen plays a crucial role in heptafluoropropane gas fire extinguishing, not only improving fire extinguishing efficiency, but also enhancing safety and reducing potential hazards. However, to ensure the correct use and mixing of heptafluoropropane and nitrogen, the design, installation, and maintenance of fire suppression systems should be carried out by professional fire engineers and teams.


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119 Fire Control is a manufacturer of Fire Extinguishers and Gas Fire Suppression Systems, such as IG541 Mixed Gas Fire Supression Equipment, HFC-227 Gas Fire Suppression Equipment, Accessories, Dry Powder Fire Extinguishers, CO2 Fire Extinguishers and other firefighting equipment, widely used in archives, libraries, hotels, tourism, residential communities, etc.