Shandong Huayuan Boiler Co., Ltd.  

Product Name: 3 MW Woodchips Fired Step Grate Steam Boiler for Power Plant Model NO.: SHL20-2.5/400-M Usage: Industrial, Power Station Burning Style: Chamber Combustion Boiler Manufacturing Level: A Pressure: Medium Pressure Drum Placement: Horizontal Boiler Water Circulation: Natural Circulation Media: Steam Structure: Water Tube Installation: Bulk Boiler Fuel: Wood Chip Function: Steam Boilers, Biomass Boiler for Power Plant Packing:as Required or by Standard: Standard:GB/CE/SGS/ASME Origin:China: Hs Code:8402120090 Trademark: hua yuan Transport Package: Exported Stanard, or According to Requirements Specification: A level boiler Origin: Origin: China HS Code: 8402190000 Product Description DETAILED PARAMETER OF THE BIOMASS BOILERDESIGN PARAMETERModel: natural circulation, double drum, water tube steam boilerSHL20-2.5/400-MRated evaporation capacity20t/hRated steam temperature400ºCRated steam pressure2.5MpaRated feed water temperature105ºCCold air temperature20ºCHot air temperature131 ºCDesign efficiency80.4%Valid grate area14.6 m2Hydraulic test3.44MpaCombustion typechain grate firing according to customer's requirements, but our suggestion: step grate(ladder grate) is much better than chain grate for biomass boilerHEATING SURFACE AREARadiation heating surface120 m2Convection heating surface345.6 m2Economizer192.9 m2Air pre-heater369.1 m2superheater111 m2FUEL PARAMETERfuel100%woodMoisture<10%.Wood Size:<40x40X40mm3.Net calorific value:>2500Kcal/ Kg.l THE ABOVE PARAMETER IS onLY FOR REFFERENCEl SUBJECT TO FINAL DESIGNBIOMASS BOILER CHARACTERISTICS- STEP and RECIPROCATING GRATE for efficient and complete combustion of biomass fuel.- Fuels can be wood chips, wood wastes, straws, shells or husks, etc.- Special design combustion chamber and heating surfaces for high efficiency heat exchange.- Thermal efficiency shall be more than 80%.SUCCESSFUL PROJECTS IN MALAYSIA SINCE 2009