NOVELTY - A garage type anaerobic dry fermentation device comprises a dry fermentation system and a percolate circulation refluxing system; where the dry fermentation system comprises a garage type fermentation bunker (1), a sealing door (2), a biogas outlet (4), a percolate spraying head (3), and a percolate collection system (5); the central shaft of the sealing door (2) is mounted on the top wall body of the feeding end of the garage type fermentation bunker (1); and the sealing door is closed and opened in upper and lower rotating ways under pushing and pulling of the cylinder.    USE - The garage type anaerobic dry fermentation device is useful for industrial and commercial applications.    ADVANTAGE - The garage type anaerobic dry fermentation device is convenient to feed and discharge. Moreover, it has high mass transferring and heat transferring efficiency, quick fermentation speed, and high gas production efficiency.    DETAILED DESCRIPTION - A garage type anaerobic dry fermentation device comprises a dry fermentation system and a percolate circulation refluxing system; where the dry fermentation system comprises a garage type fermentation bunker (1), a sealing door (2), a biogas outlet (4), a percolate spraying head (3), and a percolate collection system (5); the central shaft of the sealing door (2) is mounted on the top wall body of the feeding end of the garage type fermentation bunker (1); the sealing door is closed and opened in upper and lower rotating ways under pushing and pulling of the cylinder; the biogas outlet (4) is arranged on the top part of the garage type fermentation bunker (1); the percolate spraying head (3) is arranged on the top part of the garage type fermentation bunker (1); the percolate collection system (5) is arranged on the bottom of the garage type fermentation bunker (1); the percolate circulation refluxing system comprises a percolate collection tank (10) set with a liquor extraction opening (15), a liquor inlet (16), an inoculation opening (11), and a water pump (14); the liquor inlet (16) is arranged on the bottom of the percolate collection tank (10); the liquor extraction opening (15) and the inoculation opening (11) are arranged on the middle part and the lower part of the percolate collection tank (10) respectively; the water pump (14) is mounted between the liquor extraction opening (15) and the spraying head (3); the spraying head (3) in the garage type fermentation bunker (1) is connected with the water pump (14) of the percolate refluxing device by the pipeline; and the percolate collection system (5) of the garage type fermentation bunker (1) is connected with the liquor inlet (16) on the bottom of the percolate collection tank (10).    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of the garage type anaerobic dry fermentation device.    Garage type fermentation bunker (1)    Sealing door (2)    Percolate spraying head (3)    Biogas outlet (4)    Percolate collection system (5)