development of waste plastics utilization system in the rotary lime-kiln

摘要

NKK developed the technology of using a waste plastic as fuel in the rotary lime-kiln from reducingthe fuel cost and recycling resource point of view. It has established based upon the research of aprimary combustion characteristic on waste plastics, the research of the combustion mode of the fuelin the rotary kiln by simulation and the actual examination of kiln. The first rotary lime-kiln equippedwith the waste plastic injection system has been operating since 1994, and has achieved a goodoperation result.