Boiler continued stoker

Instruments used on steam boilers included pressure and flow indicators and controllers, carbon dioxide recorders, speed controls for mechanical stokers and liquid level indicators and controllers. As chemical manufacturers began to abandon batch processing in favour of continuous processing plants and also paid greater attention to fuel efficiency the possible uses of the type of instruments employed in steam raising plant must have become apparent. ... 

Stoker Firing, Stokers are the oldest continuous coal combustion devices, having been in operation for more than 150 years. They are still used to fire small-capacity boilers. Table 17.16 gives the approximate range of capacity for each kind of stoker. There are several types of stokers, which are classified by the method of coal feeding and the relative direction of the fuel and air. The three main... 

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