Kitchen garbage disposal device

The invention discloses a kitchen garbage disposal device, which comprises a thermal insulation shell, a plurality of charging barrels, a charging barrel intermittent lead-out device and an oxygen supply device, wherein a rolling track which is slantwise arranged relative to the horizontal plane is arranged in the thermal insulation shell; the two end parts of the thermal insulation shell are provided with a feed door and a discharge door respectively; the feed door is positioned at the high end of the rolling track; the discharge door is positioned at the low end of the rolling track; the bottom of the thermal insulation shell is provided with a drainage pipeline; the charging barrels are used for storing kitchen garbage mixed with biological strains, are all placed on the rolling track, are in rolling friction with the rolling track and are provided with drainage and intake holes and feed doors; the charging barrel intermittent lead-out device is used for intermittently leading a charging barrel close to the discharge door out of the discharge door and is arranged on the thermal insulation shell; and the oxygen supply device is used for providing oxygen in the thermal insulation shell and is communicated with the thermal insulation shell. The device has the advantages of low energy consumption and no influence on normal garbage treatment during sterilization.