Best practices in boiler maintenance and replacement

摘要

Refineries cannot afford a sudden boiler failure (FIG. 1). Regularly assessing the condition of boilers is vital. The following are best practices for maintenance, boiler replacement and upgrades based on several refinery and petrochemical projects conducted by the author's company. Maintaining boiler health. The maintenance staff should keep a close eye on the condition of any refinery boiler. This includes valves, feedwater and steam lines, boiler corrosion, tube scale, fouling, economizers, turbines and control systems. Personnel should also pay attention to boiler performance, fuel consumption and other parameters that might indicate a non-optimum condition.