Wood Boilers

Wood is a traditional form of fuel, which was usedwood gasification device. This burns wood of all
in the past but is also considered an important fuelkinds with varying degrees of moisture present in
in the present, in terms of its suitability forthem. These wood boilers function by extracting
modern gadgets. Wood boilers are heatingthe wood gases with the help of an induction fan,
systems that use wood chips or wood pellets asand then burning them below the wood to make
fuel. There is a difference between the woodcertain that the combustion is more complete.
boilers that use wood chips and those thatThe wood is repeatedly heated by the burning of
employ wood pellets as fuel.gases below it. This ensures the steady rise of
The former is larger since wood chips are largergases from the wood.
than wood pellets. The fuel is obtained fromThe wood does not burn, but it makes sure that
forestry thinning and crops from areas located ina steady supply of gas is easily available. As the
close proximity to the boilers. Wood is usuallycombustion is limited only to the gases, a wood
dried over a certain period of time, and thenboiler can burn wood with a greater variety of
subsequently chipped. Wood pellets, which servemoisture content. Such wood boilers have a
as a fuel for wood boilers, is obtained from thesystem that entails an automatic switchover to oil
compression of sawdust, a readily availableheat, gas heat or electric heat backup. Another
industrial waste product. Since a steady supply ofimportant trait of such wood boilers is the optional
sawdust can easily be ensured, the product islockout system. This helps in sustaining the
highly recommended for small boilers.secondary fuel mode, in case the wood charge is
Major wood boilers make use of a downdraftexhausted.