coal steam boiler 1.Structure: water tube 2 ... main: Burner, feed pump, blower, exhauster, electric control cabinet, sootblowers, economizer,our company also produce :Economizer, air preheater ... water pump, valve instrument, crusher, chimney, electric cabinet, multi-cyclone and so onSequence NumberItemUnitTechnical Specification1Name SZL4-1 ... Gas SZL assembled water tube coal steam boiler--SZL10-2.5-AII