Numerical simulation of Municipal Solid Waste incineration in a moving-grate furnace and the effect of waste moisture content
by Yao Bin Yang, Vida N. Sharifi, Jim Swithenbank
Progress in Computational Fluid Dynamics, An International Journal (PCFD), Vol. 7, No. 5, 2007

Abstract: Mathematical equations governing the physical and chemical processes in grate combustion systems are described and a full-scale municipal solid waste incinerator was simulated. The effects of waste moisture content as well as preheated air temperature have been assessed. Combustion efficiency around 98% was obtained for moisture levels less than 30% while moisture over 35% resulted in poor combustion efficiency. Depending on the waste moisture content, the maximum gas temperature ranges from 1240°C to 1510°C and the maximum solid temperature inside the packed-bed from 980°C to 1230°C. The main reaction zone thickness ranges from 250 mm to 350 mm along the bed height.

Online publication date: Fri, 01-Jun-2007

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