Server cooling device

The invention discloses a server cooling device. The device comprises a heat dissipation frame arranged on the outer side face of a blade server case in an attached mode, an isolation hood is arrangedoutside the heat dissipation frame, a collecting tank used for recycling cooling liquid is arranged at the bottom of the isolation hood, an air inlet net rack is arranged at the top of the collectingtank, a heat recovery assembly used for collecting a volatile coolant is arranged at the top end of the isolation hood, a plurality of atomization nozzles are evenly arranged on the inner wall of theisolation hood and connected with a micro pump used for conveying the cooling liquid through a pipeline, the liquid inlet end of the micro pump is connected with a coolant containing barrel, and thebottom of the coolant containing barrel is connected with the heat recovery assembly. The device is reasonable in structural design, heat dissipation of the blade server is conducted in a mode of combining liquid cooling and air