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the rapid development of economy also accelerates the throughput of cargoes transmission in the port. In the process of loading and  unloading cargoes, there are easily flammable and explosive cargos taking up more than 80% of the throughput. Take a port as an example, over the years, the annual oil (crude oil) amount loaded and unloaded takes up ober 50%...

in the process of normal production, processing, disposition, transportation or storage in the petrochemical businesses, it is inevitable that the material will be spilled or leaked from the equipment, pipeline and storage tanks.As a consequence, the release resource emerges in the area of production device. When it is mixed in a ceratin propotion with the air...