... , small size, transporting the whole part.steam boiler,hot water boiler,coal fired boiler technique parameter of DZLModelDZL0.5-0.7 ... )0.70.70.70.7steam temperature (°C)95959595feed-water temperature(°C)70707070heated area (m²)23.938.862. ... forcasting the change because of technical improvementsteam boiler ,coal fired boiler,hot water boiler DZL Series Coal-Fired Boiler,steam boiler,hot water boiler