The utility model relates to waste liquid treatment technical field discloses
neutralization buffer cabinet and
marine engine, wherein the
neutralization buffer cabinet, including: cabinet, the inside of cabinet is divided into first oil removal area and second oil removal area by partition, and the bottom of partition is equipped with the communicating port of intercommunication of first oil removal area and second oil removal area, first oil removal area interval is equipped with waste liquid inlet and oil outlet, and the oil outlet is installed in the upper of waste liquid inlet and is located the oil layer position of first oil removal area, and the bottom of first oil removal area is equipped with first
aeration disc, second oil removal area interval is equipped with lye inlet and overflow port, and the bottom of second oil removal area is equipped with second
aeration disc, the utility model discloses utilize the difference of oil -
water density in first oil removal area, and the oil and oil residue that float up are discharged through oil outlet, realize oil liquid preliminary separation, in second oil removal area, and the oil
grease in waste liquid happens
saponification reaction by the lye that is passed in, further remove the oil
grease in waste liquid, and the oil
grease removal effect is better.