ZOZEN energy-saving oil-fired boiler burns liquid fuels such as diesel, heavy oil, light oil, methanol, etc. The boiler capacity covers from 1ton/hr to 110tons/hr, the thermal efficiency is over 98%, and it can realize full-automatic and safe operation. According to the actual needs of users, ZOZEN energy-saving oil-fired boiler can be equipped with various energy-saving devices such as economizer, condenser, air preheater, etc., which can effectively reduce the smoke exhaust loss and improve the energy utilization rate.