Venting smoke system covers stairs, walkways, aisles, packing area, material area, yeast distill area and drying tower.It has mechanical wind renewing and venting smoke by machine on the roof.

• 排烟系统主要分布在楼梯；走道和管廊；包装区；原料区；酵母提取生产区；干燥塔；采用机械补风和屋顶机械排烟.