Eralp - Model HRSG - Water Pipe Waste Heat Boilers Brochure

Biomass boilers burn biomass and use the heat produced to provide steam and hot water. They can also be more cost effective and efficient than fossil fuel boilers, especially if you compare with gas and fuel oil. Also Biomass boiler chose for big energy requirements which they are burning coal, wood,  nuts shell, paper etc. Usually firing system putting in front of the horizontal or vertical boilers. Their efficiency and capacity is worse than the fossil fuel boilers so  boiler surface area must be more than fossil fuel boilers for give same capacity. This type of boiler manufacturing with moving grate, pallet burned and stocker firing systems.