Designed capacity is power plant that generate 3 kilowatt. This power can turn 6 lamps of 500W each. Not much, because it's just research purpose only. This power plant fueled by coconut shell charcoal, which have about 6000 cal/kg. So this charcoal burn the boiler, then boiler generate steam, thus steam rotate turbine, turbine rotate generator, and..... eng, ing, eng...Electricity!
Well... this boiler we made at
Bandung. This's our first, so it's very "book-minded".
Two bottom tubes called bottom header. The small one called riser.
Above the riser called top header. And the top is called steam drum,
being used to separate water from steam.
So the steam that enter turbine is dryer, which make turbine life longer.
This is used to feed the charcoal under the top header & between the bottom, header. Charcoal will burned on the stair-like one. It can move forth&backward, while it burns. This will piling up the ash in the front bottom side, which make us easily to pick up the ash.
Thus, of course we build its furnace, so the heat focused on boiling the water inside. We used fireproof brick, SK 34, which means, could resist 1400 centigrades of heat. To generate the
desired steam flow, the temperature inside must fulfil the designed temperature.
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