... by Building Materials Bureau, Hefei Cement Research & Design Institute for 3.2x10m, 2.9/3.0x10m, 2.5x10m, ... and can be highly efficient and stable operation for the chimney and it is lower the state ... 50mg/Nm3). The device may not stop sub-room-for-bags, and simple, safe, reliable, low operating ... costs,. It is the effective device for removal dust for drive shaft kiln smoke .The body structure ...