Maintenance methods for oil-fired boilers when not in use for a long time: There are two methods: dry method and wet method. If the furnace is shut down for more than one month, the method should be adopted for drying and maintenance.
(1) Dry maintenance method: After the boiler is shut down, the furnace water is drained, the internal dirt is thoroughly cleaned, rinsed, dried in a small fire in the furnace (note that no fire is required), and then the block is 10-30 mm in diameter. The lime is placed in the drum and is not placed in contact with the metal. The weight of the quicklime is calculated as 8 kg per cubic meter of the drum volume, and then all the manhole and hand hole pipe valves are closed, every three Check once a month, such as the composition of raw lime, need to be changed immediately, the lime and disc should be taken out when the boiler is running again.