Dry maintenance method: after the oil fired steam indutrial boilers shut down, put away the furnace water, thoroughly remove the internal dirt, rinse clean, dry in the furnace with a slight fire (pay attention not to fire), and then pack the lump of quicklime 10 mm in diameter and 30 mm in diameter. Placed in the pan, without contact with metal, the weight of quicklime is calculated at the volume of 8 kg per cubic metre of the drum, and then all manholes, hand-holes, pipe valves are closed and inspected every three months, such as crushed ingredients of quicklime, The oil fired steam indutrial boilers should be replaced immediately, and the quick lime and tray should be removed when the boiler is re-running.
Wet maintenance method: after the boiler is shut down, the furnace water will be discharged and the internal dirt will be thoroughly cleared. Except rinse clean, reinject the treated water until full, heat the furnace water to 100 ℃, let the gas from the water drain out of the furnace, and then close all valves, do not adopt the moisturizing method in cold weather, so that the oil fired steam indutrial boilers will not be damaged by ice in the furnace water.
