【过程危害性分析】Functional Safety Engineering-Process Hazard Analysis
Functional Safety Engineering
Process Hazard Analysis
Def of Haza
Initiating event
Intermediate Event
Incident
Incident Outcome
Effect Zone
Consequence
Terms
What is process Hazard Analysis ?
Process Hazard Analysis (PHA)
Common PHA Methods
Typical PHA Requirements
Recommendations for good process
PHA Step 1 - Hazards/SIF Identification
HAZOP – pre requisite
PHA – HAZOP Results
Identifying SIF from PHA reports
SIF Description
HAZARD and Consequences
Initiating event
Safeguards
Identify SIFs from P&ID
PHA Step 2 Consequence Analysis
Consequence Analysis Methods
Statistical Consequence Analysis
Consequence Modeling
PHA Step 3 – Likelihood Analysis
Likelihood Categorization
Statistical analysis of Likelihood
Result Event Tree
Event Tree Calculation
Outcome probability Example
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