Rotary type compressor and freezing circulating device provided with same

The utility model discloses a rotary type compressor and freezing circulating device provided with same. Rotary compressor includes: casing and compressing mechanism are equipped with first opening and second opening on the casing. The compressing mechanism includes first cylinder, second cylinder, median septum and bent axle, is equipped with the first breathing pipe of the compression chamber intercommunication that passes first opening and first cylinder on the casing, is equipped with the second breathing pipe that passes second opening and the compression chamber intercommunication of second cylinder on the casing, the thickness of median septum is T, and the height of first cylinder is H1, and the height of second cylinder is H2, and first open -ended aperture is D1, and second open -ended aperture is D2, wherein 6+ (D1+D2 -H1 -H2) / 2