This invention discloses a gridded precision dredging and mud collection component, relating to the field of
underwater dredging technology. It includes a mud collection hood with an expandable inner cavity depth, a
mud pump installed inside the hood, and stirring heads symmetrically arranged relative to the
mud pump. At least one one-way outlet valve is provided on the top and side walls of the mud collection hood. A
mesh grid is fixedly installed at the bottom opening of the mud collection hood. The mud collection hood can be expanded in two ways: telescopic expansion and tilting expansion. By setting up the mud collection hood, the
sludge is agitated and sucked in the sealed cavity, increasing the solids content, thus eliminating the need for a
sedimentation tank. This allows for direct chemical conditioning and pressure
filtration, avoiding the difficulties and high costs associated with
sedimentation tank
site selection and construction. Expanding the mud collection hood allows the entire mud collection component to adapt to different dredging depths, reducing costs. For the depth expansion of the mud collection hood, the stirring heads are driven to move up and down while rotating and agitating throughout the entire
sludge depth layer, fully agitating the
sludge.