Kitchen residue collecting device

The utility model relates to a kitchen residue collecting device which comprises a support, an oil-water collector, a solid-liquid separation hopper, a gland, a pressing rod lifting device and a residue barrel, the oil-water collector is fixed at the top of the support, a residue outlet hole is formed in the bottom of the oil-water collector, an oil outlet groove is formed in one side of the oil-water collector, and an oil outlet pipe is arranged at the bottom of the oil outlet groove; the solid-liquid separation hopper comprises an oil collection hopper and a filter hopper, the filter hopper is fixed in the oil collection hopper, an oil collection pipe is arranged on one side of the oil collection hopper, the solid-liquid separation hopper is rotatably mounted in the oil-water collector, and the oil collection pipe is movably inserted in the oil outlet groove; the cover plate lifting device is mounted on the bracket; the gland is mounted on the cover plate lifting device; a slag inlet hole communicated with