The settling chamber is a component in the flue gas treatment system of the Waelz process, located at the rear end of the Waelz rotary kiln. Its main function is to reduce the velocity of high-temperature flue gas by rapidly expanding the space, allowing large dust particles carried in the gas to settle naturally into the lower ash hopper under gravity. As a result, it reduces the workload of the downstream bag filter and increases the zinc oxide content in the collected dust.
Working Conditions and Challenges
The operating conditions in this section are characterized by a typical large-space and complex gas flow environment. The front lining wall is continuously exposed to flue gas at temperatures above 650°C, while also being subjected to ongoing sandblasting-like physical erosion and wear caused by dust-laden gas as it changes direction.
In addition, the settling chamber usually contains complex baffle or partition wall structures to improve settling efficiency. Therefore, the lining materials must not only have excellent resistance to abrasion, but also be able to withstand thermal stress deformation caused by uneven heating of large wall areas, as well as chemical corrosion resulting from the condensation of volatile substances such as alkali, sulfur, and chlorine in relatively low-temperature zones.
JHYRef Achievements
75+
Kiln lining projects
20+
Key customers
10+
Years of industry experience
1-5m
Kiln diameter
Contact us for detailed configuration and technical specifications.