CFD Study on the Physical Behavior of Flue Dust in an Industrial-Scale Copper Waste Heat Boiler

Abstract The Flash Smelting Furnace (FSF) is one of the most common reactors for primary smelting copper concentrates. Its smooth operation depends on availability and performance downstream Waste Heat Boiler (WHB). WHB especially sensitive to problems with its flue dust handling, such as formation accretions, which can lead downtime equipment failures. Due limited accessibility harsh conditions WHB, experimental studies are challenging. Therefore, CFD simulations be a promising option increase knowledge evaluate range options. present study investigates physical behavior in an industrial-scale via three-dimensional model. Size-dependent particle sedimentation risk areas accretions predicted, finding good agreement industrial experience data from literature. To make evaluation accretion zones possible, new sticking function developed. results validated against samples. Finally, operational recommendations minimizing derived.