HAZOP-3危险与可操作性.ppt

Loss Prevention;Loss Prevention;What is HAZOP?;*;HAZOP Team;*;*;NONE /No e.g., NO FLOW caused by blockage; pump failure; valve closed or jammed : REVERSE Opposite, e.g., REVERSE FLOW caused by pump failure MORE Quantitative increase, e.g., MORE FLOW, Temp, LESS Quantitative increase, e.g., LESS FLOW, Temp, As Well As Qualitative increase, e.g. impurity. PART OF Qualitative decrease, Change in composition high or low concentration of mixture; additional reactions in reactor or other location ; feed change.? Other than Nothing of the intent happen, completely different occurs;HAZOP Steps;.;;Storage Tank;HAZOP Table - level;HAZOP Table - pressure;Hazop Table - composition;HAZOP Table - Temperature;Preliminary HAZOP Example;Preliminary HAZOP on Reactor;Case Study – Shell Tube Heat Exchanger;HAZOP on Heat Exchanger ;Documents needed for HAZOP Study;Planning for HAZOP;Planning for HAZOP;Responsibility of HAZOP Team Members;HAZOP Secretary ? Take adequate notes ? Record documentations ? Inform leader if more time required in taking notes ? If unclear, check wording before writing ? Produce interim lists of recommendations ? Produce draft report of study ? Check progress of chase action ? Produce final report;Process Engineer ? Provide a simple description ? Provide design intention for each process unit ? Provide information on process conditions and design conditions ? Provide a simple description ? Provide design intention for each process unit ? Provide information on process conditions and design conditions;Mechanical Design Engineer ? Provide specification details ? Provide vendor package details ? Provide equipment and piping layout information Instrument Engineer ? Provide details of control philosophy ? Provide interlock and alarm details ? Provide info on shutdown, safety features;Plant Engineer or Manager ? Provide information on compatibility with any existing adjacent plant ? Provide details of site utilities and services ? Provide (for study on exist