How to check the drum external of chain grate steam boiler

2016-05-13

The traditional coal fired boilers generally adopt the form of chain grate layer combustion,the use of reciprocating grate contributes to the high combustion efficiency and strong coal adaptability of traveling grate boiler.In the using processes of traveling grate steam boiler,the drum external needs to be checked carefully,this text will give the following advice about that based on the opinions of Zhengzhou Boiler Co., Ltd..

The surface of chain grate steam boiler drum must not have cracks,leakage and metal damage.If there is stack phenomenon on the drum wall,we can shovel and polish it,but the removing thickness shall not be greater than 10% of its wall thickness.

The joint surface of the drum’s manhole and manhole door should be thoroughly cleared,the surface must not have old pad residual,rust and other debris.The joint surface should be smooth and even,can not have cracks,radial grooves and pittings.The size,shape and material should be accord with the requirement of manhole door.

The sliding roller of chain grate steam boiler drum should not be rusty or stuck,the drum can scale easily.The bracket,hanger,screws,etc.,should be complete and firm.

The ZG chain grate boilers,was developed in the 80s as a new type of fire and water tube boiler,over the past three decades,they have won the high paise form customers at home and aboard because of its significant advantages such as strong adaptability of coal and high operating efficiency.If you are interested in chain grate steam boilers or chain grate hot water boilers, please feel free to contact us for more details!

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