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Save life restraint
To restrain and save lives is to make the reagents participate in the combustion chain reaction, so that the radicals that occur in the combustion process will disappear quickly, which will form a stable molecule or a low activity free radical, and then make the combustion reaction interrupted.
To save the life of asphyxia
Asphyxia is based on the condition that air (oxygen) is generally satisfied with the combustion of combustible substances. The proper way is to prevent air from flowing into the combustion area, or to dilute the content of oxygen in air by inert gas, so that the combustion material will be subsided due to short or isolated oxygen. This method of saving can be used to make up for the fire in the space or equipment container with strong closeness.
The principle can be used to save suffocation, etc., asbestos was wet canvas noncombustible or refractory material to cover the burning material, or closed holes; also available steam, charging an inert gas into the combustion area, the use of buildings, windows and doors, the original, equipment and parts in the closed combustion zone, blocking inflow of fresh air.
From save the life
Isolation and rescue is based on the condition that burning is necessary with combustibles, and the burning objects are separated or dispersed from the nearby combustibles so that the combustion is interrupted. This method is also a commonly used method to make up for fires. For example, in fire, closed pipeline valves are used to intercept the flammable gas and liquid flowing to the fire area, and the flammable building adjacent to the fire source is removed and the flammable substances near the fire source are removed.
Save cooling way
Cooling and saving is based on the condition that a combustible substance is necessary to arrive at a certain temperature when it burns. It will directly spray the combustion agent on the burning object, so that the temperature of the combustible material will fall below the ignition point and then arrive at the purpose of combustion interruption.
The most common way to make up for fire is to use water to cool and revive. If the CO2 is used to revive it, the cooling effect is very good. It can absorb many heat sensitively through gasification, so as to effectively reduce the temperature in the combustion area and stop the combustion.