Automatic freeze-proof protector for direct air-cooling radiating pipe bundle in winter

The utility model discloses an automatic freeze-proof protector for a direct air-cooling radiating pipe bundle in winter. The automatic freeze-proof protector for the direct air-cooling radiating pipe bundle in winter comprises a steam distribution pipe, and the pipe bundle is arranged below the steam distribution pipe. The automatic freeze-proof protector is characterized in that a freeze-proof structure is arranged on the outer surface of the pipe bundle below the steam distribution pipe and comprises a first shaft, a second shaft and slide rails, the first shaft is arranged above the pipe bundle, first bearings are arranged at two ends of the first shaft, the second shaft is parallel to the first shaft and positioned below the same, second bearings are arranged at two ends of the second shaft, a freeze-proof layer is arranged between the first shaft and the second shaft, the freeze-proof layer can cover the pipe bundle in the width direction and does not contact with the pipe bundle, the slide rails are pe