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How should the boiler be maintained after shutdown?
Author: Release Date: 2018-11-01

Anyone who has used the boiler understands that after the boiler is shut down, it needs regular maintenance and maintenance, so as to prolong the service life of the boiler.
After the boiler is shut down, the boiler is wet with water and the outside of the furnace is corroded and rusted by soot and slag. If the maintenance is not good, the corrosion during the shutdown is often more severe than during operation. So how to maintain the boiler after it is stopped?

When the boiler is out of service for a long period of time, great attention should be paid to the problem of corrosion and maintenance on the outside of the furnace. First, after the boiler is stopped and cooled down, the ash deposit on the heating surface and the ash on the upper part of the grate and the lower part of the furnace body must be completely removed. Then keep some natural ventilation in the flue. In general, in order to prevent moisture, a desiccant should be placed in the furnace and flue. If quicklime is used as a desiccant, about 3kg should be placed in each furnace or flue. Close all ventilation doors tightly after placing. Replace the quicklime after it becomes powder. If the location of the boiler room is low and the ground is heavily flooded during the shutdown, a combination of frequent low-fire baking and placing a desiccant should be used. If the boiler is shut down for a long time, apply red tan oil or other anticorrosive paint to the outer surface of the metal of the furnace body after the soot is completely removed.

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