The difference between water spray and water mist fire extinguishing systems is the particle size of the water spray and usage scenarios.
Water spray fire suppression system refers to the use of larger water droplets to extinguish fires. It is generally used in situations with large fire suppression areas and high fire intensity, such as factories, warehouses, etc. The water mist fire suppression system uses smaller water droplets to extinguish fires. It can form fine smoke-like water mist when extinguishing fire, which can effectively reduce the temperature and suppress the fire. It is suitable for situations where the fire extinguishing zone is. small, flammable and explosive, such as computer rooms, laboratories, etc.. Water mist fire extinguishing systems can also reduce the amount of water used and clean-up work after the fire is extinguished.
7.6.6 The following rooms in high-rise buildings should be equipped with automatic fire extinguishing systems other than haloalkanes 1211 and 1301: 7.6.6.1 Oil and gas boiler rooms and diesel generator rooms should be equipped with automatic fire extinguishing systems. sprinkler systems; 7.6.6.2 Water jet or gas fire extinguishing systems should be installed for fuel oil-immersed power transformers, fuel oil-filled high-voltage capacitors and multi-purpose switch rooms. oil.