Maintenance of heating boiler after stopping heating

Now, with the temperature becomes warmer,nationwide heating of the industrial boiler has been stopped,heating boiler functioning about 5 months will usher the sleeping time about 7 months,then,it will go through the changes of seasons of spring,summer and autumn.The external temperature changes fast in different seasons,so,the maintenance of the heating boiler becomes more important,the specialist from Zhengzhou Boiler Co., Ltd give us the following suggestion.

Furnace full of water

After a period of heating,we should change the dirty water into clean water,to avoid the air entering the furnace of the heating boiler,the furnace should be filled with water.

Cleaning up the deposition

After stopping working,the furnace of the heating boiler should be cleaned by mechanical or chemical ways to maintain the internal clean,after cleaning,we should unchoke the water pipes and the connecting pipes of the instrument.

Closing the valves

Closing the valves of steam pipes, heating pipes, water pipes and discharge pipes to avoid the air entering and the following oxidation reaction.

Adding some desiccant

After stopping working,the temperature of the heating boiler water drops, discharging the water,putting some desiccant in the boiler after the surface of the internal metal of the heating boiler is dried by the waste heat,and closing the valves,the desiccant should be checked regularly,if loses efficacy,it should be replaced timely.

Painting

The method is used mostly in the small boiler.Coating composition is mainly graphite, asphalt, coal tar asphalt water and glass,covering with this coating composition,the surface of the metal can not touch the steam or oxygen,reaching the aim of protection There are so many ways of maintenance of the heating boiler,no matter which way you will choose, cleaning up the deposition is the most important.We should choose the valid ways according to the different heating boilers to ensure the safe and economic operation.