Coke oven gas microcrystal adsorption deep purification system

The utility model discloses a coke oven gas microcrystal adsorption deep purification system which comprises a coal gas final cooling system, a coal gas debenzolization system, a coal gas desulfurization system, a debenzolization regenerated coal gas analysis system and a desulfurized regenerated coal gas analysis system, the coal gas final cooling system comprises a final cooling tower; a lower coal gas inlet of the final cooling tower is connected with a coal gas outlet of the AS wet desulphurization and ionic liquid desulphurization process through a process pipeline; and a gas outlet at the upper part of the final cooling tower is connected with a gas inlet of the booster fan through a process pipeline. According to the utility model, final cooling is performed firstly, so that coal gas is in a low-temperature operation state, and a good coal gas purification effect is ensured; and then high-efficiency adsorption fine desulfurization oil removal, adsorption of hydrogen sulfide, adsorption of organic sulfu