Screw compressor end face sealing structure and cleaning method thereof

The invention discloses an end face sealing structure of a screw compressor in the technical field of screw compressor sealing, which comprises a moving ring positioned on a shaft sleeve, static ring assemblies are arranged on the medium side and the atmosphere side of the moving ring, each static ring assembly comprises a static ring and a static ring seat, a spring energy storage sealing ring is arranged between the static ring on the atmosphere side and the static ring seat, and the spring energy storage sealing ring is arranged on the shaft sleeve. The spring energy storage sealing ring comprises a clamping sleeve with a C-shaped section, and an energy storage spring with a C-shaped section is embedded in the clamping sleeve. The problems that in the prior art, after impurities are attached to a static ring sealing ring in screw compressor end face sealing, a spring is stuck by a medium and loses efficacy, a static ring does not have floatability, sealing face attachment is affected, and effective sealing