In a Fluidized Bed Boiler, suspension of fuel particles are done in a hot and bubbling fuel bed consisting of sand, limestone and ash. This is done for rendering oxygen for the process of combustion using blown air. The aforementioned technique results in quick mixing of solids and gases leading to chemical reactions and transfer of heat. Our offered boiler has the capability of burning numerous solid fuels that posses lower quality such as woody and coal biomass. Burning of such substances is done at higher efficiency and without the requiring to carry out the process of pulverising.