Qingxin Baa
, Scott Egbertb, Xuefang Lia,*
, Lin Chenga,**
Frontiers in Heat and Mass Transfer, Vol.12, pp. 1-9, 2019, DOI:10.5098/hmt.12.20
Abstract Precalciner performance is crucial to the production rate and lifespan of cement kiln systems. The gas-solid flow and pulverized coal combustion
processes in an industrial precalciner were numerically modeled to understand the flow patterns and thermal processes in the system. The gas and meal
flow rates and properties were measured on-site to determine the boundary conditions for the simulations and to validate the models. The upward swirl
of the gas flow in the furnace helped disperse the particles and extend their duration in the precalciner. The O2 and CO2 concentration distributions
indicated that the coal particles were well dispersed and… More >
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