Design and discussion of emergency shut-down device(ESD) system of aniline production plant
Setting up independent emergency shut-down device(ESD) system for aniline production plant from safety operation standpoint is put forward.As a system to protect facility,its security level rises above the safe operation mode,which can ensure the safety of facility at real time under online control.The ESD application background is expounded;the current production status and automatic control system applied in aniline production plant are presented,and the necessity of adopting ESD system in aniline production plant is pointed out.The design,choice and application of ESD system in aniline production plant are described in detail from several aspects including the function and feature of ESD system,the selection of shut-off valve and the interlock design of EDS.