zozen boiler
Home Service FAQs FAQ of coal-fired boilers What are the causes and treatment methods of ash leakage in the expansion joint of boiler flue outlet?

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

12 Nov 2021

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.

Related news View More
  • ZOZEN Boiler Facilitates Power Plant “Oil-to-Gas” Upgrade
    On March 20, 2025, the Guizhou Jinyuan Zhijin “Replacing Small Units with Large Ones” Relocation Project (2×660 MW), under State Power Investment Corporation, successfully achieved the first ignition of its boiler. This project replaced traditional oil-fired ignition fuel with liquefied natural gas (LNG), setting a new precedent for employing clean energy in 660 MW ultra-supercritical “W” flame boilers. As a key equipment supplier for this project, ZOZEN Boiler prov...
    15 Jul 2025
  • Building Bridges of Friendship: ZOZEN Boiler and Pakistan’s Textile Industry Forge Strong Partnerships
    Under the Belt and Road Initiative, economic and cultural ties between China and Pakistan are growing ever stronger, with more frequent exchanges between businesses from both countries. Recently, ZOZEN Boiler’s Sales Director led a team to visit Pakistan, where they held a meaningful meeting with Kohinoor Mills, a leading local textile company. During the gathering, both sides exchanged honorary plaques and thoughtful gifts—gestures that not only celebrate past collaborations but als...
    08 Jul 2025
  • ZOZEN Boiler Achieves Outstanding Results at Overseas Exhibitions in the First Half of 2025
    In the first half of 2025, as a leading enterprise in China’s industrial boiler sector, ZOZEN Boiler has actively expanded into global markets with an international vision and innovative drive. The company made impressive appearances at the Pakistan Textile Exhibition and the Russian HEAT&ELECTRO MACHINERY Expo, continuously expanding its brand influence and bringing efficient, environmentally friendly energy solutions to customers worldwide, contributing to the green upgrade of the in...
    01 Jul 2025

Find the Right Boiler For You

Name *

Email *

WhatsApp/WeChat

Products

Power/Capacity