Water-cooling heat dissipation energy-saving cabinet for server

The utility model discloses a water-cooling heat dissipation energy-saving cabinet for a server. The water-cooling heat dissipation energy-saving cabinet comprises a cabinet body, a fan, a heat dissipation fan, a heat dissipation pipe, a refrigerator, a condensation pipe, a water tank, an air inlet connector, a placement plate, an air outlet hole, a bearing, an installation shaft, a transverse plate, a sliding block, a cavity, a filter head, a cabinet door, bolts, first cooling fins and semiconductor chilling plates. The heat dissipation device comprises a heat dissipation air outlet mechanism, when external gas passes through the condenser pipe of the water tank; heat in the gas can be absorbed by water with lower temperature in the water tank; therefore, the temperature of the gas is reduced; the cooled gas enters the cavity of the cabinet body through the gas inlet joint; the heat dissipation effect is good, the heat dissipation capacity of the device is greatly improved, normal operation of a server is gu