Major national fires in 2001
Blow oxygen and burn welders in oily water ditches
The accident after
Three youth at a factory welder to the trench with water, because the surface with a layer of oil, oil vapor make welders feel chest tightness, welding head with oxygen hose to blow oxygen into the gutter, then under the leader of the gutter to find a welder, he holding a cigarette just half way down the ladder, gutter suddenly caught fire, three welder burned, but conscious, After being sent to hospital, they all died of severe respiratory burns.
The cause of the accident
Use oxygen hose to blow oxygen into the trench to create oxygen-rich environment, oxygen is a strong oxidant, smoke fireworks ignited oxygen-rich oil vapor, resulting in combustion, this is an illegal operation, illegal operation caused a fire, and because of the oxygen-rich environment burn wound is not easy to cure, resulting in the death of workers.
It is strictly forbidden to use oxygen for ventilation or blowing work clothes; It is strictly forbidden to use compressed oxygen as the power source of pneumatic tools, and smoking is strictly prohibited.