Table of Contents:
“...8.6 Types -- 8.7 Compression Ratio -- 8.8 JET Discharge Pressure -- 8.9 Seal Leg Design -- 8.10 Design of Seal Drums -- 8.11 Materials of Construction -- 8.12 Vacuum Range Guide -- 8.13 Pressure Terminology -- 8.14 Pressure Drop at Low Absolute Pressures -- 8.15 Performance Factors -- 8.15.1 Steam Pressure -- 8.15.2 Effect of Wet Steam -- 8.15.3 Effect of Superheated Steam -- 8.15.4 Suction Pressure -- 8.15.5 Discharge Pressure -- 8.15.6 Capacity -- 8.16 Types of Loads -- 8.16.1 Air Plus Water Vapor Mixtures -- 8.16.2 Steam and Air Mixture Temperature -- 8.16.3 Total Weight of a Saturated Mixture of Two Vapors: One Being Condensable -- 8.16.4 Non-Condensables Plus Process Vapor Mixture -- 8.16.5 Non-Condensables Plus Water Vapor Mixture -- 8.16.6 Air-Water Vapor Mixture Percent Curves -- 8.16.7 Total Volume of a Mixture -- 8.16.8 Air Inleakage into System -- 8.16.9 Dissolved Gases
Released from Water -- 8.16.10 Acceptable Air Inleakage Rates [1] -- 8.16.11 Total Capacity at Ejector Suction -- 8.16.12 Capacities of Ejector in Multistage System -- 8.16.13 Booster Ejector -- 8.16.14 Evacuation Ejector -- 8.17 Load Variation -- 8.18 Steam and Water Requirements -- 8.19 Ejector System Specifications -- 8.20 Ejector Selection Procedure -- 8.20.1 Barometric Condensers -- 8.20.2 Temperature Approach -- 8.21 Water Jet Ejectors -- 8.22 Steam Jet Thermocompressors -- 8.23 Entrainment Efficiency -- 8.24 Ejector Control -- 8.25 Control of Vacuum Systems -- 8.26 Suction Throttling -- 8.27 Load Gas -- 8.28 Combination Suction Throttling and Load Gas -- 8.29 Time Required for System Evacuation -- 8.30 Alternate Pumpdown to a Vacuum Using a Mechanical Pump -- 8.31 Evaluation with Steam Jets -- 8.31.1
Rough Estimate of System Pumpdown Using Steam Jets [1] -- 8.32 Troubleshooting of Steam Jet Ejectors -- 8.32.1 External Causes of Troubleshooting Ejectors....
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