Heat dissipation device for mobile phone shielding cabinet

The utility model relates to the technical field of mobile phone shielding cabinets, in particular to a heat dissipation device for a mobile phone shielding cabinet. According to the technical scheme, the shielding cabinet comprises a shielding cabinet body, a first partition plate and a second partition plate, a fixing plate is fixed to the inner wall of the shielding cabinet body, a first sliding groove plate and a second sliding groove plate are welded to the inner wall of the shielding cabinet body, a water tank is welded to the rear end of the outer surface of the shielding cabinet body, and a fixing pipe is fixedly embedded into the fixing plate; a fan is installed in the fixing pipe, a coil pipe is installed on the outer surface of the fan in an attached mode, a second fixing piece is fixedly embedded into the top end face of the first partition plate, a first fixing piece is fixedly embedded into the top end face of the second partition plate, and fixing frames are welded to the bottom end faces of th