Device for degasification

The utility model relates to a deaerator which comprises a motor, a delivery outlet, a barrel body, a stirring rod, a mud inlet, a mud outlet pipe and an air dilution opening, wherein the motor is arranged on the upper end of the barrel body, the delivery outlet is formed on the top of the barrel body, and the stirring rod is arranged on the center of the inner lower end of the barrel body by a shaft and is connected with the motor. The utility model is characterized in that a mud partition plate and mud breakage scraps are arranged on the upper part of the stirring rod and are coaxial with the stirring rod, the mud inlet is formed on the bottom of the barrel body, the mud outlet pipe is prolonged to the bottom of a deaeration barrel, and the air dilution opening is formed on the middle part of the barrel body; the deaeration barrel is in the shape of a kettle of which the upper part is small and the lower part is large, and the mud partition plate is annular. The utility model has the advantages that in the process of petroleum exploration and well logging, the deaeration efficiency of the deaerator is raised, and the dead volume of the deaerator is reduced.