The explosion, suffocation, poisoning and burn accidents of the heat exchanger are mostly caused by leakage.
Flammable and explosive liquids or gases overflow due to leaks. Fire and explosion accidents will be caused in the case of open flames. The leakage of toxic gases will cause suffocation and poisoning. The leakage of strong corrosive fluids will cause burns.
The most leak-prone parts are the welding joint of the heat exchanger, the joint between the head and the tube sheet, the joint between the tube bundle and the tube sheet, and the flange connection.
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