Sludge treatment system coupling carbonization and gasification

Abstract

The utility model provides a kind of sludge treatment system of coupling carbonization and gasification, including pyrolysis unit, combustion unit, waste heat recovery unit and flue gas collection unit. Among them, pyrolysis unit includes pyrolysis furnace and cyclone separator, the top of pyrolysis furnace is equipped with gas injection port, it is suitable for the temperature of fluidized gas in pyrolysis furnace is adjusted by inputting oxygen, to control pyrolysis furnace in gasification reaction or carbonization reaction;Cyclone separator is suitable for the pyrolysis product is carried out gas-solid separation and obtains pyrolysis gas and pyrolysis carbon, the outlet of cyclone separator includes gas product outlet and solid product outlet;Combustion unit is suitable for receiving pyrolysis gas generated in pyrolysis furnace and carries out combustion reaction, obtains flue gas;Waste heat recovery unit includes heat exchange component, heat exchange component is communicated with combustion unit, it is suitable for receiving and recovering heat in flue gas by heat transfer;Flue gas collection unit is communicated with heat exchange component, it is suitable for purifying and collecting flue gas.

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