Automatic device of preparing of useless thick liquid

The utility model discloses an automatic device of preparing of useless thick liquid, including useless thick liquid jar, the solenoid valve, advance the thick liquid pipe, defeated thick liquid pipe, slush pump and automatic sizing apparatus, automatic sizing apparatus is including setting up the floater in useless thick liquid jar, set up in the joint ball cavity and vertical the setting in the slide rail of two parallels of useless thick liquid jar inner wall of useless thick liquid jar lateral wall, be provided with the joint ball in the ball cavity of joint, the joint ball passes through the head rod and is connected with the floater, the insulator spindle is connected to joint ball opposite side sphere, the other end of insulator spindle is provided with conductive contact plate, conductive contact plate and the point contact of solenoid valve intermittent type nature, the opposite side sphere of floater passes through the second connecting rod to be connected with the slider, and slider movable mountin