It is the Ⅱ-arrangement,free-circulation,single-cylinder,water-tube boiler.Combustion unit is the clockwise scaled coal-leakage prevention grate or horizontal-beam grate. There are suspension water screens around the hearth.Convection superheater is mounted in the horizontal flue and coal economizer and pre-heater in the tail flue. Wide range of coals is applicable.Boiler features sensitive adjustment,stable operation under 30% load full load,compact size and simple operation. 产品范围 Scope 蒸发量:35-37t/h,压力:3.82-5.3Mpa,蒸汽温度:450-540℃ Evaporation capacity:35-75t/h,pressure:3.83-5.3Mpa,steam temperature:450-540℃