Dry maintenance: (close the furnace for more than one month) After the boiler is shut down, the boiler water is released, the internal dirt is completely removed, rinsed, and slightly fired. Then, the 10-13mm block-shaped quick lime is placed in the boiler. Do not allow lime to come into contact with metal. The weight of the quicklime is calculated as 4 kg per cubic meter of boiler volume, and then all manholes, hand holes, and pipe valves are closed. Check every three months. If the lime is broken into powder, it must be replaced. The lime should be taken out when the boiler is re-run.
Wet maintenance method: (Stop for less than one month) After the boiler is shut down, the boiler water is released, the internal dirt is completely removed, rinsed, the treated water is refilled, the water is heated to 100 °C, and the water vapor is discharged outside the furnace. Then close all valves. Wet maintenance should not be used in cold climates to prevent the boiler from freezing and damaging the boiler.
In addition, the maintenance and maintenance of DZL series steam boilers should strengthen the training and management of the furnace workers, so that the boiler, safe, stable and efficient operation.
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