Buffer solution adding device

The utility model relates to the technical field of preparation tanks, and discloses a buffer solution adding device which comprises a tank body, a containing cavity is formed in the tank body, an adding structure is arranged on the tank body, a mounting hole communicated with the containing cavity is formed in the upper portion of the tank body, and a fixing pipe is in threaded connection with the interior of the mounting hole. A fixed hole is formed in the lower end face of the fixed pipe, a movable pipe is in threaded connection with the interior of the fixed hole, and the effect of improving the quality of the buffer solution is achieved. 本申请涉及配制罐的技术领域，公开了一种缓冲液添加装置，其包括罐体，所述罐体上设置有容置腔，所述罐体上设置有添加结构，所述罐体的上方开设有连通容置腔的安装孔，所述安装孔内螺纹连接有固定管，所述固定管的下端面开设有固定孔，所述固定孔内螺纹连接有活动管，本申请具有提升缓冲液质量的效果。