Instrument Wind Optimization Measures for Petrochemical Installations
In petrochemical enterprises,in order to support the normal operation of DCS or SIS system,a variety of types of pneumatic control valves and globe valves are used,but the current industry does not pay too much attention to the configuration of instrument air supply,and the instrument air supply with stable pressure and high purity has high continuity in petrochemical production.For large-scale multi-modular petrochemical equipment,the design idea of instrument air redundancy is proposed,which aims to provide reference for engineers and technicians to ensure that the equipment can maintain stable operation in the face of air source system failure,improve production efficiency and safety.The idea of redundant instrument logic control is put forward in view of the characteristic that the instrument air pressure is too low to make the actuator work properly.The analysis shows that the design of instrument redundant air source can greatly reduce the possibility of equipment shutdown caused by instrument wind interruption,thus reducing unnecessary shutdown loss and improving the long-term operation stability of petrochemical equipment.
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