An explosion occurred in a pearl cotton factory in Wuji County, Hebei Province, killing 7 people and injuring 1 person. What is the preliminary investigation of the accident by the police?

The explosion accident of Tianzexin Pearl Cotton Factory in Wuji County, Hebei Province is still under investigation. At present, the police have not reached the conclusion of the investigation. I believe that the corresponding preliminary survey results will be released in a month or so. At present, we can only use inference to restore what might have happened at that time and then take corresponding preventive measures. What is closer to the actual situation should be the explosion caused by static electricity or open flame.

It is inferred that the explosion of Tianzexin Pearl Cotton Factory should be caused by the gradual drying of the weather and the static electricity generated by the friction of clothes or hair during labor. In addition, cotton wool flies in the production workshop of cotton mill, and a large amount of cotton wool is easy to burn when it meets an open flame in the air, which is likely to cause dust explosion. When static electricity ignites the flying cotton wool, it will naturally cause fire or strong explosion.

Through preliminary inference, we should know that the hidden dangers and dangers in cotton production lie in dry air and combustible materials flying all over the sky. Cotton wool? There is static electricity, so how to avoid the above three hidden dangers?

First, we control the humidity of the factory building. If the humidity drops to a critical point, start a certain amount of humidifier to ensure that the air is not so dry, but this may have a certain impact on the quality and moisture resistance of cotton, so I personally suggest adding a cotton drying device at the end of the production line, followed by flying cotton wool. This solution only needs to isolate the production line with gauze or other breathable cloth. Can prevent a large number of cotton wool flying around, and finally static electricity. The best way to eliminate static electricity is to ground the equipment, put on cotton overalls or anti-static clothes, and touch the static discharge device regularly at work to eliminate static electricity from the source.

The first problem of any factory or unit is safety, and safety in production is always the first. Only by doing a good job in safe production can the factory prosper in terms of output and quality. The explosion of Tianzexin Pearl Cotton Factory also sounded the alarm of fire prevention and anti-static safety in winter production.