Shielding tank for storing radioactive medicaments

The invention provides a shielding tank for storing radioactive medicaments. The shielding tank is characterized by comprising a tank cover, a tank body, a tank cover opening and closing control device and a sealing device, wherein the tank cover is made of metal tungsten, and comprises a circular disc and a cone; the circular disc is provided with an iron block; a three-way slot is formed insidethe tank cover; the tank body I made of metal tungsten, and is used for accommodating the radioactive medicaments; an upper part of an inner wall of the tank body is provided with a sealing groove; the tank cover opening and closing control device is provided with an electromagnetic part, and is used for generating magnetic force through electricity and attracting the iron block in order to drivethe tank cover to move; the sealing device comprises a vertical pin, two horizontal pins, three through covers and three springs; the three-way slot comprises a vertical slot and two horizontal slots;one end of the vertical pi