问题详情
某危险固体废物焚烧处理厂采用旋转窑处置技术,处置规模30t/d,窑长9.0m,窑内径2.2m,窑转速0.72r/min,窑倾斜度1.7%,估算固体废物在窑内的停留时间()
A.38.5min
B.63.5min
C.80.5min
D.115.5min
请帮忙给出正确答案和分析,谢谢!