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Centrifugal Pumps Design and Application 2nd ed - Val S. Lobanoff, Robert R. Ross (Butterworth-Heinemann, 1992)

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14 Hydraulic Power Recovery Turbines ..... ............. 246<br />

by Rolf Lmnetiurg <strong>and</strong> Richard M, Nelson<br />

Selection Process. Specific Spe<strong>ed</strong>. Net Positive Discharge Head. Power Output <strong>and</strong><br />

Affinity Laws. Configuration. Turbine Performance Pr<strong>ed</strong>iction. Pr<strong>ed</strong>iction by Approximation.<br />

Pr<strong>ed</strong>iction by Analysis. Optimizing <strong>and</strong> Adjusting Performance Characteristics.<br />

<strong>Design</strong> Features (Hydraulic <strong>and</strong> Mechanical). Reverse-Running Pump. Turbine<br />

<strong>Design</strong> with Fix<strong>ed</strong> Guide Vanes. Turbine <strong>Design</strong> with Internally <strong>and</strong> Externally Adjustable<br />

Guide Vanes. Operating Considerations. Performance Testing. <strong>Application</strong>s. Operation<br />

<strong>and</strong> Control Equipment. Conclusion. References,<br />

15 Chemical <strong>Pumps</strong>-Metallic <strong>and</strong> Nonmetatlic ................... 283<br />

by Fr<strong>ed</strong>eric W. Buse<br />

ANSI <strong>Pumps</strong>, Specifications. General Construction. Impeller. Casings. Volute. Gasketing.<br />

Flat Gasket. 0-Rings. Casing Covers. Stuffing Box. Frame. Support Head. Bearing<br />

Housing, Shaft. Impeller Attachment. Bearings. Lubrication of the Bearings,<br />

Mounting the Bearing. Clamping Between the Housing <strong>and</strong> End Cover. End Cover<br />

Mount. End Sealing. B<strong>ed</strong>plates. St<strong>and</strong>ard B<strong>ed</strong>s. Stiit-Mount<strong>ed</strong> B<strong>ed</strong>s. Springs-<br />

Mount<strong>ed</strong> B<strong>ed</strong>s. Noncorrosive B<strong>ed</strong>s. Flinger. Other Types of Chemical <strong>Pumps</strong>. Sealless<br />

<strong>Pumps</strong>. Sump <strong>Pumps</strong>. Self Priming. Nonmetallic <strong>Pumps</strong>. Armor<strong>ed</strong> Pump. Reinforc<strong>ed</strong><br />

Composite Material <strong>Pumps</strong>. Thermosetting Polymers. Thermoplastics.<br />

Manufacturing Techniques. Compression Molding. Resin Transfer. <strong>Design</strong> Stresses.<br />

Pressure vs. Temperature. NPSHR. General Construction of Nonmetallic <strong>Pumps</strong>. Nozzle<br />

Loading. Bolting. Gaskets. Back-up Support for Bolting. Stuffing Box Area. Mechanical<br />

Seals. Impellers. Nonmetaliic Immersion Sump <strong>Pumps</strong>. Driver. Level Controls.<br />

Stilling Tubes. Mounting Plates <strong>and</strong> Pit Covers. Processes. Pump Corrosion.<br />

Pump Materials. Chlorine. Sodium-Hypochtorite. Hydrochloric Acid—HCL. Sulfuric<br />

Acid—H 2 SQ 4 . Ferrous <strong>and</strong> Ferric Chloride. Chlorinat<strong>ed</strong> Hydrocarbons. Ethylene <strong>and</strong><br />

Propylene Glycol. Synthetic Glycerine. Corn Syrup. Dyes. Pesticides. Sodium<br />

Chlorite—Na CI0 3 . Pulp <strong>and</strong> Paper. Metal Finishing. Carbon Steel Pickling. Stainless<br />

Steel Pickling. Desalinization <strong>and</strong> Water Purification. Secondary Oil Recovery (Waterflood).<br />

Mining—Copper Leaching <strong>and</strong> Uranium Solvent Extraction. Industrial<br />

Waste Treatment. Material Selection. References.<br />

Part3: 11 (§ Shaft <strong>Design</strong> Mechanical <strong>and</strong> Axial Thrust.............................. <strong>Design</strong> 331 333<br />

Shaft <strong>Design</strong>. Shaft Sizing Bas<strong>ed</strong> on Peak Torsiona! Stress. Shaft Sizing Bas<strong>ed</strong> on<br />

Fatigue Evaluation. Shaft Deflection. Key Stress. Axial Thrust. Double-Suction Singleviii

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