With the continuous development of China's industrialization process,fine chemical industry gradually occupies a dominant position in the field of chemical industry.Hydrogenation reaction is one of the common unit reactions in fine chemical industry.Because the hydrogenation reaction is flammable and explo-sive,and the pressure is high,the safety pressure relief of hydrogenation unit becomes the top priority.In this paper,the design points of hydrogen safety emission are discussed from the aspects of key equipment selec-tion calculation,steam fire extinguishing system design,exhaust system flow and equipment layout.
intermittent hydrogenationdischarge pipesteam fire extinguishingtempering
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