Marine Machinery 7 E Part 14 ppt

510 Index Feed water heaters, 26—8 Bosch type, 221—4 packaged, 27—8 injector, 224—6 surface, 26-8 operation, 222-4, 226-7 Fire protection, 418-57 Full bore angle valve, 121, 123 cargo space CO 2 with smoke detection, 450 CO 2 system, 429-36 Galvanic action, 112 emergency fire pump, 420—2, 423 Gas analysers, 461—3, 465 fire main, 418—24 Gas free certificate, 466 flame detectors, 427-8 Gate valve, 121, 122 foam adaptor, 422-4, 444 Gears and clutches, 279-85 halon systems, 436-8 Gear pumps, 171—2 heat sensors, 428, 429 Glacier-Herbert split bearings, 265-6 high expansion foam, 444—5 Globe valve, 119—21 inert gas systems, 185—94 Governing systems, 228—30, 237—41 international shore connection, 422, Governors, 228-30, 237-44 424 hydraulic, 228-30 ionization chamber combustion gas Gravity separation, 60 detector, 426-7 Gland packing, 149-50 low pressure COi storage, 433—6 Grinne! alarm valve, 407 machinery space fire detection, 425—9 Gyroscope, 323 mechanical foam system, 440-4 multi-spray system, 438—40 obscuration type smoke detector, 427 Halocarbon refrigerants, 335 portable fire extinguishers, 451—7 Halon fire extinguishers, 456 pump-operated foam system, 444 Hastie four-ram steering gear, 304—6 sprinkler system, 445—9 Hatch covers, 412—17 Flap check valve, 124, 125 HD lubricating oils, 74—5 Flapper nozzle unit, 488—9 Heat exchangers: Flash evaporator, 101, 102 condensers, 18-21 Flash point, 55 coolers, 4—8 Flexible coupling, 282—3 de-aerators, 28—31 Floating lever, (steering gear), 295—9 distillation, 94—96, 101 Float type, refrigerant control valve, feedwater heaters, 26-8 353-4 laminar flow, 11-12 Flow rnesurement, 484—5 maintenance, 9—11 Foam fire extinguishers, 453—5 oil heaters, 66—8 Food, carriage of perishable, 333-4 plate type, 6-8 Four-ram hydraulic steering gear, 302—7 salt water leaks, 10 Free lifting non-return valve, 120, 122 shell and tube, 4—6 Fresh water circuit, 92—93 temperature control in, 3—4 Friction losses in pump circuit, 142—3 theory, 11—14 Fuel handling and treatment, 51-70 turbulent flow, 14 blender, 73-4 venting and draining, 11 centrifuges, 56—6 Heating and cooling loads, evaluation of, fire risk, 53-55 372-7 fuel heater, 66-8 Heat leakage, 365-6 heating, 66-8 Hele-Shaw pump, 290—2 homogenizer, 68—70 Hermetic compressors, 349 refinery processes, 51-2 High velocity vents, 182—5 testing, 53 Hoerbiger type valves, 45-6 transfer, 53, 82—3 Holding tanks, sewage, 107—8 viscosity controller, 68—9 Homogenizer, 68—70 Fuel injection pump operation, 222—4, Humidity, relative, 369 226—7 Hydraulic balance mechanism, Weir feed Fuel pump, 219, 221-4, 226-7 pump, 36-7 Index 511 Hydraulic cranking system, 472-4 engines, 215—30 Hydraulic deck machinery, 396-400 Metering pumps, 173—5 Hydraulic governor, 228-30 Mooring eguipment, 401-6 Hydraulic steering gears, 288—90, Muff coupling, 258-9 299-301, 302-7 Muirhead-Brown tank stabiliser, 329-30 !G system, 185-94 Nash rotary liquid ring pumps, 24-5 inert gas system, 185-94 Net positive suction head (NPSH), deck seal, 192-3 139-41 fans, 191-2 generator, 193-4 operation, 188 Oil content monitoring, 87—9 scrubber, 189-91 Oil fuel transfer, 53, 82-3 Injector, fuel, 224-6 Oil heaters, 66-8 Insulation, 365-6 Oil injection system, propeller mounting, Intercoolers, 42-5 274-7 Oil lubricated stern tubes, 263—71 Oil tankers, 176-96 Jetmaster foam monitor, 444 cargo pumping, 176-84 Jointing materials, 118 centrifugal cargo pumps, 177 crude oil washing, 196 high velocity vents, 182—5 Keyed propeller, 472-3 inert gas system, 185—94 Keyless propeller, 273-7 pressure/vacuum valve, 184, 186 Pilgrim nut method, 273-4 segregated ballast, 196 SKF system, 274-7 tank washing, 194-6 vac-strip system, 179—81 Oil/water separators, 81—7 Legionella bacteria, 368-9 oil content monitoring, 87-9 Lifeboat: Overspeed trip, 238-9 davits, 471—2 Oxygen analysers, 459—60 engines, 472—4 Lignum vitae, 260 Lip seals, 268 Package boiler combustion system, 70—3 Liquid level measurement, 483—4 Para-magnetic gas analysers, 459—60 Liquefied gas carriers, 203-12 Peabody inert gas plant, 188-91 cargo discharge, 209—12 Pilgrim hydraulic bolt, 257—8 deepwell pumps, 209 Pilgrim hydraulic nut, 273—4 gases carried, 203 Pipelines, 112-19 reliquefaction, 205—9 corrosion, 112 types of carrier, 203—4 drains, 116 LNG (liquefied natural gas), 203 expansion arrangements, 116—18 Lobe pumps, 172-3 erosion, 114 Low pressure d.c. system, 480—1 installation, 115 Low pressure evaporators, 94—6 jointing, 118 LPG (liquefied petroleum gas), 203 materials for, 112-14 Lubricating oil and treatment, 74—7 pressure reducing valve, 126, 127 quick closing valves, 129—31 relief valve, 125-26, 127 Magnetic filters, 137-8 Pitch, of propeller, 272 Measurement of liquid level, 483—4 Plate type heat exchangers, 6—8 Mechanical constant speed shaft drive, Plumrner block, 249-51 231-2 Pneumatic control systems, 488—93 Mechanical steam traps, 131 Pneumatic control valves, 495 Medium speed auxiliary diesel Pneumatic level transmitters, 484 512 Index Pressure gauges, 483 Weir multi stage turbo-feed, 32 Pollution prevention, chemical tankers Purifiers, 56—66 198-9 ALCAP system, 65-6 Portable fire extinguisher, 451—7 high density fuel treatment, 65—6 Pressure control loop, 488 PV valve, 184, 186 Pressure governor, 32—5 Pressure reducing valve, 126, 127 Pressure relief valve 125—6, 127 Quick closing valves, 129—31 Pressure transducers, 484 Pressure transmitter, 491—3 Pressure/vacuum valve, 184, 186 Radial face seal, 269-70 Propellers, 271-9 Rapson slide, 286 controllable-pitch, 277-9 Reciprocating refrigeration compressor, definition of terms, 272 341-5 keyed, 272—3 Recirculating holding system, 108 keyless, 273-7 Refrigerants: mounting, 272-7 choice of, 335-6 Pigrim nut, 273-4 list of, 336-9 pitch control, 277—9 Refrigeration: shaft alignment, 245—9 air circulation, 361 SKF system, 274—7 automatic freon system, 339—41 Propeller shafting, 245-59 chamber cooling, 359-61 alignment and installation, 245—9 compressors, 341—6, 347—9 bearings, 249-53 compressor lubrication, 344-7 coupling bolts, 256—8 condensers, 349—50 couplings, 255—9 container cooling, 361-4 muff coupling, 258-9 controls, 339-41, 351-6 stern tubes, 260—71 defrosting, 364 thrust block, 254-5 driers, 358 Proportional controller, 488—9 evaporators, 350—1 Pumps: expansion valves, 351-4 axial flow, 162—5 heat leakage, 365—6 cavitation, 157—9 high pressure (HP) cut-out, 355 centrifugal, 146—62 instruments, 363—4 discharge conditions, 141-2 insulation, 365-6 double screw with timing gears, liquid indicators, 358 168—70 low pressure controller, 356, 357 erosion, 155—9 oil rectifier, 346—7 friction losses, 142—3 oil separator, 345—6 gear, 171—2 plant operation, 333-5 Hele-Shaw, 290—2 pressure relief devices, 344 Lobe (Stothert and Pitt), 172—3 reciprocating compressor, 341—5 metering, 173-5 reliquifaction of natural gases, 205-9 protection, 170—1 room temperature control, 355—6 radial cylinder, 290—2 rotary compressor, 347—9 rotary displacement, 165-73 separators, 345-6 seals, 149—50, 170 vapour compression system, 333—5 screw, 165—71 Regenerative condenser, 20—1 single screw, 171 Relief valve, 125-6, 127 slipper pad axial-cylinder, 294 Reliquifaction of natural gases, 205—9 suction conditions, 139—41 Reverse osmosis, 101—5 Sunstrand 294 pre-treatment and post-treatment, 104 swash-plate axial-cylinder, 293—4 Reverse reduction gearbox, 281—2 two-stage centrifugal, 25—6, 155 Roller bearings, 252—3 variable delivery, 290—4 Ross-Turnbull split stem bearings, 266, Weir electrofeeder, 38 267 Index 513 Rotary compressors, 347-9 mechanical, 131 Rotary displacement: pumps, 165-3 thermodynamic, 13 2-3 Rotary vane steering gears, 307-8 thermostatic, 131-2 Rudder angle indicators, 311 vacuum or pumping traps, 133—4 Rudder carrier bearing, 286—8 Steam jet air ejector, 22 Steam turbines, 232—43 back pressure trip, 240—1 Salinometer, 96-8 governing, 237-41 Sanitary system, 93 vertical, 242-3 Salt water circuit, 1-2 Steering gears, 286—313 Salt water lubricated stern tubes, 260—3 control box, 301—2 Scoop arrangement for a motor ship, 16 floating lever, 295-9 Scoop system for steamship, 17 four-ram hydraulic, 302—7 Screw compressors, refrigeration, 247—9 hand, 310—311 Screw pumps, 165—71 hunting action, 295—9, 301—2 materials for, 170 hydraulic telemotor, 294-5, 297 performance characteristics, 166-7 regulations for, 312-13 relief valves, 170—1 rotary vane, 307-8 shaft sealing, 170 rudder carrier bearing, 286-8 timing gears, 168 telemotor control, 294-5 Scrubbing tower, 189-91 two-ram electro-hydraulic, 288-90, Sea water lubricated stem tube bearings, 299—301 260—3 variable-delivery pumps, 290—4 Seals: Stern tube bearings, 260—71 deck, 192-3 sea water lubricated, 260-3 lip, 268 oil lubricated, 263-71 mechanical, 149—50, 170 inspection, 261—2 radial face, 269-70 sealing arrangements, 266—70 stem bearing, 268—70 lip seals, 268 separator, oil and water, 85—7. face seals, 269—70 Sewage treatment, 106-11 lubrication systems, 270-1 biological, 108-11 Stone-Pilgrim keyless system for propeller effluent quality standards, 106-7 mounting, 273-4 holding tanks, 107-8 Stothert and Pitt lobe pump, 172-3 recirculating holding system, 108 Strainers and filters, 135—8 Shaft bearings, 249-53, 260-71 Stuffing boxes, 149-50, 261 Shaft couplings, 255-9 Submerged cargo pump, 200-1 Shaft coupling bolts, 256-8 Suction head, 139—1 Shaft driven generators, 230—2 Suction pipes, 143-5 Shaft sealing, refrigeration compressor, 'Sunstrand' pump, 294 344, 345 Super Trident sewage treatment, 108—11 Shell and tube coolers, 4-6 Surface feed heaters, 26-31 Ship motions, 318—22 Suspended solids, 107 Shore water treatment, 105 Swash-plate axial-cylinder pump, 293-4 Signal processing and selection, 499-500 Simplex compact seal, 268 Simplex-Turbulo oil/water separator, Tachometer, 486-7 85-7 Tailshaft, 261-2 Simples stern tube, 263—4 Tailshaft inspection, 261 Single term controller, 488-9 Tank stabilizers, 329-32 SKF muff coupling, 258—9 Tank washing, 194—6 Slipper pad pump, 294 Telemotor control, 294—5 Split stern tubes, 265 7 Temperature: Stabilizers, 318-29 air conditioning, 370-1 Steam traps, 131—5 carrying of food produce, 334 maintenance of, 134—5 Temperature measurement, 482—3, 493 514 Index Thermistor, 483 change-over valve chests, 124-5 Thermocouples, 482—3 globe valves, 119—21 Therrnodynamic steam traps, 133-4 gate valves, 121-2 Thermostatic expansion valve, 352-3 non-return, (See globe valves) Thermostatic steam traps, 131-2 pressure reducing, 126-8 Three term controller, 490 quick-closing, 129—30 Thrust blocks, 254—5 vacuum retaining, 24 Thrust pads, 255-6 valve actuators, 125 Tie-rod expansion joint, 116 Valve timing diagram, 219 Tilting pad bearings, 251—2 Valve actuators, 125, 127 Titanium, 8 Vapour compression refrigeration system, TLV, 463 333-5 Torductor tachometer, 486—7 Variable-delivery pumps, 290—4 Torductor torque transducer, 485—6 non-reverse locking gear, 292 Torque measurement, 465 Velocity control, 323 Transducers: Ventilation, 368 electrical, 482 Vertical steam turbines, 242—3 pressure, 483 Viscotherm, 68-9 torductor torque, 485-6 Viscosity controller, 68-9 Transmitters, 491—2 Volute centrifugal pump, 145 d/p cell, 492 electronic, 494 temperature, 493 Ward Leonard winch load characteristic, Tubular centrifuges, 59-60 394 Turbulo separator, 85—7 Water production, 93—105 Turbo-feed pump, Weir type, 32-7 Water-boxes, 1 Two-ram electro-hydraulic steering gear, Watertight doors 468-71 288-90, 299-301 Weir electrofeeder, 38 Two stage air ejector, 22—4 Weir Multi Stage Turbo-feed Pump, Two term controller, 490 32—7 hydraulic balance mechanism, 36-7 pressure governor, 32—4 Ultra-violet sterilizer, 101 safety (overspeed) trip, 35-6 Union purchase rig, 407 Wet bulb temperature (w.b.), 369 Whistles, 474-8 Winches: Vac-strip system, 179-81 cargo, 407 Vacuum retaining valve, 24 hydraulic, 396-400 Valves, 119-30 mooring, 405-6 butterfly valves, 122—3 Windlasses, 401—5 . 93—105 Turbo-feed pump, Weir type, 32 -7 Water-boxes, 1 Two-ram electro-hydraulic steering gear, Watertight doors 468 -71 288-90, 299-301 Weir electrofeeder, 38 Two stage air ejector, 22—4 Weir . 53-55 372 -7 fuel heater, 66-8 Heat leakage, 365-6 heating, 66-8 Hele-Shaw pump, 290—2 homogenizer, 68 70 Hermetic compressors, 349 refinery processes, 51-2 High velocity vents, . 186 Pressure governor, 32—5 Pressure reducing valve, 126, 1 27 Pressure relief valve 125—6, 1 27 Quick closing valves, 129—31 Pressure transducers, 484 Pressure transmitter, 491—3 Pressure/vacuum