Drilling fluid vacuum degassing device

The invention discloses a drilling fluid vacuum degassing device, and belongs to the technical field of drilling fluid vacuum degassing equipment. The drilling fluid vacuum degassing device comprises a base; a vacuum tank and a vacuum pump with an air inlet connected with the vacuum tank are mounted on the base; an impeller cavity is arranged in the vacuum tank; the drilling fluid vacuum degassing device is characterized in that a motor is mounted at the top of the vacuum tank; a motor shaft extends downwards to the impeller cavity; and an impeller is mounted at the bottom of the motor shaft. The impeller is directly driven by the motor shaft, compared with the prior art, a middle transmission link is omitted, the structure is simple, operation is convenient, and cost is low. 本发明公开了种钻井液真空除气装置，属于钻井液真空除气设备技术领域。其包括底座，底座上安装有真空罐和进气口与真空罐相连的真空泵，真空罐的内部设置有叶轮腔，其特征在于：所述真空罐的顶部安装有电机，电机轴向下延伸至叶轮腔，电机轴底部安装有叶轮。本发明通过电机轴直接驱动叶轮，相对于现有技术省去了中间的传动环节，结构简单，操作方便，成本低廉。