1), the waste is transported to the kiln head by hydraulic push rod, and the material flows forward to the kiln tail.
2) The materials burn under the combustion-supporting effect, the flue gas generated by the rotary kiln enters the secondary chamber, and the ash generated by the combustion is automatically discharged by the wet scraper.
3) The flue gas generated by incineration is further incinerated at high temperature in the secondary combustion chamber with the help of natural gas, and the combustion temperature is increased to1100℃-1200℃, which makes the incineration more thorough and achieves the effects of smokeless, tasteless and no secondary pollution.
4) Flue gas from the secondary combustion chamber enters the waste heat hot water exchanger to heat the soft water used in the production process.
5) The flue gas from the waste heat hot water heat exchanger enters the semi-dry quenching tower. By spraying water to cool down, the temperature was quickly reduced to about 200℃ in 1s, which effectively inhibited the regeneration of dioxins.
6) Then, the flue gas enters a dry deacidification and dioxin absorption device to further purify the tail gas. The function of spraying slaked lime is to remove HCl, SOx and other acidic components in the absorbed flue gas, and the function of activated carbon is to adsorb and remove a small amount of dioxins and furans remaining in the flue gas.
7), tail gas into the gas box bag filter, remove the fine dust in the flue gas. When the inlet temperature of the bag filter is not within the limit range, the bag bypass solenoid valve is opened, and the flue gas enters the chimney through the bypass, so as to ensure that the bag will not be fatally damaged when the flue gas temperature is abnormal.
8) Flue gas from the bag dust collector enters the spray washing tower and wet packing washing tower device.