Sour water head space gas processing system

The utility model belongs to the technical field of synthesize environmental protection governance, concretely relates to sour water head space gas processing system. Wash tower and water wash columnincluding sour water A jar, sour water B jar, degassing tower, treatment tank, amine, the entry linkage of the gas outlet of degasification top of the tower and the entry linkage of treatment tank, liquid outlet and sour water A jar, the gas outlet and the low pressure gas torch pipe network of treatment tank are connected, the liquid outlet of sour water A jar and the income antilinear type of the falling U union coupling of sour water B jar, the top gaseous phase UNICOM of sour water A jar and sour water B jar, the water wash column is sent into through water ring vacuum pump to the sour water head space gas, and the entry linkage of tower is washed to the gas outlet and the amine of water wash column, and amine is washed the gas outlet of tower and is connected with low pressure gas torch pipe network. The util