ZOZEN energy-saving oil-fired boiler is a kind of boiler equipment which uses diesel oil, heavy oil, clean oil and methanol as fuel. ZOZEN SZS series energy-saving oil-fired boiler, which has a capacity of 20-110t/h, a thermal efficiency of over 98% and 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.