Anti-icing device for water conservancy facility

The utility model discloses an anti-icing device for water conservancy facilities, and belongs to the technical field of water conservancy and hydropower facility protection. The anti-icing device is an underwater micro-bubble method ice damage prevention device, and is used for preventing damage of static pressure of an ice cover and flowing ice to hydraulic facilities and buildings, especially hydro-junction projects such as dams (gates), reservoirs, river channels and hydropower stations. The anti-icing device comprises a gas diffuser which is provided with a mushroom-shaped aeration head and a base connecting piece; the manual control conveying system consists of a pipeline, a ball valve and a busbar; the automatic control system is provided with a temperature sensor, a pressure sensor, a jet cycle flow sensor, a water level sensor, a proportional valve and a video monitor; a remote monitoring system; the air supply system is composed of an air blower, a screw compressor, an air storage tank, a filter and