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In which manner is the coal supplied from feeder to spreader in spreader stoker?(a) Feeding in alternate bulks(b) Feeding at regular intervals(c) Feeding in continuous stream(d) Feeding whenever necessaryI got this question during an interview.I would like to ask this question from Type of Stokers topic in portion Steam Power Plant of Energy Engineering

Answer»

Right answer is (c) Feeding in continuous stream

The BEST I can explain: The feeder is a slow speed rotating drum on which LARGE NUMBERS of small blades are mounted. It supplies coal to the spreaders in continuous stream. The speed of the feeder can be adjusted as per the load on plant. The feeders are operated with variable speed drive to control the combustion as per the REQUIREMENT. The feeders may be reciprocating ram, ENDLESS belt or spiral worm.



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