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“Simple fire-fighting renovation measures can effectively curb the spread of retail firesâ€, “Let the fire experiment tell you that small inputs can have great effectsâ€... In the past few days, several fire experiment comparison videos launched by Fujian Fire Department have been heavily forwarded and ordered. Like, the netizen is the most practical fire prevention trick.
Recently, the provincial fire brigade carried out fire experiments in Chenzhou City, compared the experimental results of the "simple firefighting renovation measures", observed the development of fires in the case of setting simple sprays and independent smoke detectors, and partially opened escape windows and settings. Whether simple fire-fighting renovation measures such as stair separation doors can slow down the spread of fire and smoke in the operation and accommodation facilities, and whether it is conducive to the escape of trapped people.
"Set fire" to experiment, the results are contrasting
The firefighters selected two rooms of the same size and the same fire load. One of the rooms was fitted with a simple spray and separated from the second floor by a door panel. The other did not take any protective measures. In the experiment, the firefighters put the electric heating rod into the carton. After the switch was pressed, in less than one minute, the electric heating rod ignited the carton filled with foam. After a “simple firefighting renovation†room, a small amount of smoke generated after the fire triggered a separate smoke detector. After hearing the alarm, the second floor staff immediately used the curtain cord to escape from the escape window. Three minutes later, the simple sprinkler burst and the water sprinkled to prevent the fire from spreading. The white mice on the second floor survived successfully due to sprinkler control and corridor door panel separation to reduce smoke generation and smoke spread. The room fire that did not pass the "simple firefighting renovation measures" quickly spread and spread, and eventually lost control. The second floor of the smoke filled the temperature and the temperature was as high as 150 degrees or more. The experimental mice were killed by the smoke.
The comparison between the two groups shows that the independent smoke detector can detect the fire at an early stage, remind the trapped person to escape from the fire scene in time, and gain time for the fire escape. Simple spray can suppress the development of fire, prevent the spread of fire, reduce the ambient temperature of the fire, and create favorable conditions for evacuation.
"Small investment" can also produce "big effect"
Is such an effective simple firefighting renovation measure expensive? The Director of the Fire Investigation Department of the Fire Department of the Provincial Fire Brigade, Director of the Three Tigers, said that the "simple firefighting renovation measures" are very simple and can be taken locally, mainly consisting of common water pipes, sprinklers, and independent smoke detectors. The water pipe and sprinkler are combined into a simple sprinkler system and directly connected to the municipal living water supply system. The independent smoke detector is directly fixed on the roof, and the installation time is 2-3 hours, and the cost is about two or three hundred yuan. Such a "small investment" can also produce "big effects." When a fire occurs, the generated hot flue gas will cause the independent smoke detector located in the fire area to respond with a sharp alarm sound, and the hot flue gas will cause the glass ball in the closed spray nozzle to be blasted. The spewed water flow can control the development of the fire.
Director of the Fire Department of the Fire Department of the Provincial Fire Department, Mr. Sanhu, introduced that the “simple fire extinguishing system†is simple, practical and economical. It is suitable for “nine small places†(refers to small schools or kindergartens, small hospitals, small shops, small dining places, small Hotels, small song and dance entertainment venues, small Internet cafes, small beauty bathing places, small production and processing enterprises) installed and used, it can block the smoke in time, effectively suppress the spread of fire, reduce fire damage, and provide good conditions for personnel to escape.
It is particularly important to note that the “simple firefighting renovation measures†can provide a certain protective effect in the fire, but it does not meet the very reliable fire protection requirements. It does not mean that the “nine small places†can adopt this measure. Operation and accommodation are combined, which has not yet reached the conditions for living. In this regard, it is reminded that the similar “nine small places†industry is mainly in strict accordance with the requirements of fire laws, regulations and technical specifications, and the operation and accommodation are strictly prohibited in the venue. Adopting simple fire protection measures, only considering such small-scale sites, under the premise of not increasing high investment, improve fire safety conditions through transformation and ensure fire safety.
Editor in charge: Li Pengyan
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