‘N’ 자원회수시설 광역화에 따른 소각량 증대 운영 결과

Facility safety verification and improvement needs to apply extra incineration rate of 'N' MSW incinerator with neighbor local governments for cooperative utilization. The purpose of this paper is to estimate the propriety incineration rate through operation data from the single or couple unit working test in the existing facilities. The problems during the various incineration rate operations are investigated by the dioxin measurements process temperatures and computational fluid dynamics (CFD) simulation. As the incineration rate increased, the gas temperature of furnace exit increase accordingly, which reaches above 1000 ℃ at 80 % incineration rate. The flue gas temperature at the superheater inlet reached the peak temperature of 660 ℃ at over 80 % incineration rate. As the incineration rate increased, CO emission shows low relationship, but NOx is straightly increase with the incineration rate and the peak is 35 ppm at 83 % incineration rate. The dioxin is satisfied with the standard regulation, but results are more than the target(0.01 ng-TEQ/N㎥). CFD is used of find the reason of generation at clinker of combustion chamber wall when the incineration rate is above 75 %, and these results show that the study for cooling of the combustion chamber and the more suitable flow pattern needs to increase incineration rate.