The invention belongs to the technical field of
environmental protection processing devices, and relates to an air flow and machinery double-boosting internal circulation-type high suspension
solid anaerobic digestion device. The device comprises a material charging
pipe, an internal cylinder section, an external cylinder section, a three-
phrase separation section, a mixing section, a water discharging
pipe, a
sludge discharging
pipe, a
methane collecting pipe, a sampling detection port and the like. The material charging pipe sends suspension
solid to the internal cylinder section directly; in the internal cylinder section,
anaerobic sludge and the suspension
solid are mixed and elevated through double power actions of generated rising
methane air flow after reaction and mechanical blade boosting; then the mixed liquid goes into the three-
phrase separation section; in the three-
phrase separation section, waste water overflows and is discharged by the water discharging pipe,
methane rises up and goes into the methane collecting pipe, the
sludge settles and goes into the mixing section through the external cylinder section, part of the
sludge goes into the internal cylinder section under the action of the above thrust and forms internal circulation, and the excess sludge is discharged by the sludge discharging pipe. The device can be used for
processing of waste water containing high suspension solid, residual sludge, household garbage and the like. The device has remarkable social, environmental and
economic benefits.