Two furnace hot process gas station from tar: gas into the upper electrical filter, its temperature is 90-150^oC  The gas and dust were tar droplet polarization, but for most of the wall, to Coke Gravity tank. After loading of the gas under the ash bucket, remove large particles of dust into the cyclone was later centrifugal dust, the dust around 450-550^oC. Under the previous paragraph gas and mixture of gas through the gas pipes into the furnace.