Power Plant Engineering

220 POWER PLANT ENGINEERING two determinations: the higher (or gross) heating value (HHV) assumes that the water vapor in the pr ...

FUELS AND COMBUSTION 221 Analysis Bituminous mass percent Anthractive medium velocity Subiluminous Lagnite Ultimate C 83.9 80.7 ...

222 POWER PLANT ENGINEERING Pulverized-coal firing was introduced in the 1920s and represented a major increase in combus- tion ...

FUELS AND COMBUSTION 223 The spreader stoker is the most widely used for steam capacities of 75,000 to 400,000 lbm/h (9.5 to 50 ...

224 POWER PLANT ENGINEERING Ignition of the fresh coal in stokers, as well as its combustible volatile matter, driven off by dis ...

FUELS AND COMBUSTION 225 part of the plant coal-handling system and are usually located in a crusher house at a convenient trans ...

226 POWER PLANT ENGINEERING tity of fines is limited because the crushing force, due to gravity is not large. Bradford breakers ...

FUELS AND COMBUSTION 227 that roll between two races, in the manner of a ball bearing. Fig. 7.6 shows an example of the former. ...

228 POWER PLANT ENGINEERING The bin system is essentially a batch system by which the pulverized coal is prepared away from the ...

FUELS AND COMBUSTION 229 Raw Coal Bunker Bin Gate Feeder Pulverizer DamperControl Primary Air fan Pulverized Fuel and Air Piping ...

230 POWER PLANT ENGINEERING Multi Purpose Oil Lighter Spin Vanes Water Cooled Throat Windbox Inner AirRegisterOuter Air Register ...

FUELS AND COMBUSTION 231 of coal that contain a high ash content with a minimum of 6 percent to as high as 25 percent, and a hig ...

232 POWER PLANT ENGINEERING ciency of cyclone firing. The high temperatures also explain the large production of NO, in the gase ...

FUELS AND COMBUSTION 233 theoretical air used in combustion and (b) the dew point, in degrees centigrade, if the flue gases are ...

Chapter 8Chapter 8Chapter 8Chapter 8Chapter 8 Diesel Power PlantDiesel Power PlantDiesel Power PlantDiesel Power PlantDiesel Pow ...

DIESEL POWER PLANT 235 The diesel engine has no spark plug, that it intakes air and compresses it, and that it then injects the ...

236 POWER PLANT ENGINEERING 8.2 Operating Principle All the gas engines and oil engines operate in the same general way. The wor ...

DIESEL POWER PLANT 237 8.3.1 Two-Stroke, Spark Ignition Gas Engines/Petrol Engines The well-known automobile engine fueled with ...

238 POWER PLANT ENGINEERING 8.3.4 High Compression Gas Engines With operation solely on gas, without duel mixtures and pilot oil ...

DIESEL POWER PLANT 239 Industrial concerns where power requirement are small say of the order of 500 kW, diesel power plants be ...