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체인스토커 방식 목재펠릿 증기보일러의 부하 별 연소 특성
장준환(J.H. Jang),김종진(J.J. Kim),최규성(K.S. Choi),강새별(S.B. Kang),심봉석(B.S. Sim) 대한기계학회 2014 대한기계학회 춘추학술대회 Vol.2014 No.11
The goal of the present study is to develop a 1 ton/h-class chain stoker type wood pellet steam boiler. A series of investigations regarding combustion load characteristics of chain stoker type wood pellet steam boiler has been conducted. We have considered the load from 60% to 120%. The results show that a high temperature zone is at the entrance of the 2nd chamber for all combustion loads considered. The flame is stretched to the top of the 2nd chamber. The maximum efficiency is 85.1% at 100% load. The CO concentration in this case is 234 ppm. The exhaust gas oxygen concentration, the higher the exhaust gas temperature tends increased.