What are the causes and treatment methods of ash leakage in the expansion joint of boiler flue outlet?

Recently, some users have come to consult how to solve the ash leakage at the expansion joint of boiler flue outlet. ZOZEN Boiler suggested that in case of ash leakage from the expansion joint at the boiler flue outlet, please contact the professional industrial boiler manufacturer.

First of all, we shall figure out what is an expansion joint of the boiler flue. According to the Wikipedia, an expansion joint or movement joint is an assembly designed to hold parts together while safely absorbing temperature-induced expansion and contraction of building materials, and vibration, or to allow movement due to ground settlement or seismic activity. (https://en.wikipedia.org/wiki/Expansion_joint)

Boiler flue expansion joints usually have good temperature resistance. Generally, metal expansion joints or nonmetal fabric expansion joints can be used.

It is recommended to consult a professional boiler manufacturer to solve the problems such as ash leakage at the expansion joint of flue outlet. As a professional manufacturer of industrial boiler, ZOZEN Boiler provides users with one-stop service from production to after-sales. Please do not hesitate to contact us.