Sludge treatment unit and sludge recycling device including the same

Original (Chinese)

A sludge treatment unit provided in a sludge cycling device for recycling sludge discharged from a food waste treatment device and configured to treat the sludge introduced from the food waste treatment device includes a housing having a plurality of perforations to discharge water from inside to outside thereof, a sludge input hole provided in the housing to pass through from the outside to the inside of the housing to receive the sludge, a dehydrated sludge outlet provided at a side different from the sludge input hole to discharge dehydrated sludge, and a shaft having a shaft body portion provided inside the housing and a spiral blade provided on an outer circumferential surface of the shaft body portion, the shaft being rotated by a rotational force received from a motor to move the sludge from the sludge input hole toward the dehydrated sludge outlet.