Maintenance, Reliability and Troubleshooting in Rotating Machinery. Группа авторов

of Distillation and Fractionator Fractions Natural Gas Processing: NGL Processing Centrifugal Pump Design Audits Design Standards The Materials of Construction The Hydraulic Fit The NPSH Margin [4] Seal and Seal Flush Design Challenging Pump Applications Pumps Operating in Parallel Pump Liquids with Low Densities Low NPSH Services How an Impeller’s Suction Specific Speed Affects the Required NPSH [4] Pumps Handling a Liquid with Varying Densities Slurry Pumps [5] Hot Pumps with Galling Tendencies Starting Hot Pumps [6] High Temperature Concerns Gaskets [7] O-Rings How Processing Issues Can Affect Pump Reliability Summary Acknowledgement References 7 Practical Ways to Improve Mechanical Seal Reliability Seal Reliability Tracking MTBR Data from Across the Industry Reliability Tracking Tools Bad Actors Mechanical Seal Best Practices Improved Mechanical Seal Support System Designs [2] Reducing Potential Leak Points Simplifying Operation and Maintenance Building Better Seal Support Systems Common Mechanical Sealing Design Challenges Common Considerations for Flush Plans General Seal Piping Plan Recommendations Ways to Improve Seal Reliability Performance Seal Failure Analysis [4] Common Seal Failure Modes Seal Failure Inspection Notes Possible Causes Meeting with Manufacturer Writing the Seal Failure Report with Recommendations Post-Analysis Activities Justifying Seal Upgrades Closing Thoughts References 8 Proven Ways to Improve Steam Turbine Reliability Repairs versus Overhauls Expected Lifetimes of Steam Turbines and Their Components Common Failure Modes Improvement Reliability by Design Acknowledgements 9 General Purpose Steam Turbine Reliability Improvement Case Studies Governor Valve Packing Gland Leakage: Sealing & Reliability Improvements Steam Turbines Carbon Seals Upgrade to Mechanical Seals Typical Benefits of Dry Gas Seal in a 1500 HP Turbine Modification of GP Turbines for Fast Start without Slow Rolling How the GP Turbine Fast Startup Modification Works Dry Flexible Metal Coupling Upgrade with Split Spacer, for Short Coupled Turbines with Insufficient Length Coupling Spacers General Purpose Lube Oil System Upgrade for Self-Contained Bearing Housings to Eliminate Overheating & Bearing Failures Governor and Trip System Upgrade from Hydraulic to Electronic-Pneumatic Governor Requirements: Electronic Governor with Pneumatic Actuator & Pneumatic Trip System Governor and Trip System Requirements Overview of All-Electronic Trip and Overspeed Protection System Outboard Bearing Improved Flex Foot: Higher Turbine Reliability & Lower Vibration Results

      9  Part III: MAINTENANCE BEST PRACTICES 10 Rotating Machinery Repair Best Practices World-Class Reliability Performance Should be the Goal of Every Repair Facility Cutting Corners = Unreliability