Patent ID: 8349176

Claim:
A modular integrated water-purifying device, comprising: a reaction tank; a sedimentation tank; a filtration tank, wherein said reaction tank, said sedimentation tank and said filtration tank are linked in sequence; an inlet pump having one end that is connected to an upper side of said reaction tank through a pipe and a valve; coagulant-dosing equipment connected to the other end of the inlet pump via a water-suction tube; and a purified water outlet connected to the filter tank; wherein the reaction tank includes a variable grid impeller; the sedimentation tank includes a water collector, a forced water-collecting pipe, a plurality of same-flow oblique boards sat in the middle of the sedimentation tank and connected via the forced water-collecting pipe to the water collector, and an purified water outlet tube for discharging purified water and one end of the purified water outlet tube being connected to the sedimentation water collector, the filtration tank includes a traveling mud-suction machine movable back and forth at a top of the filtration tank, a wedge filter vertically fixed inside the filter tank, a mud-suction pipe, a mud-suction pump fixed in a bottom of the traveling mud-suction machine and connected with the wedge filter by the mud-suction pipe, a water-collecting main pipe at a bottom of the filter tank, and an effluent weir vertically fixed within the filter tank, the forced water-collecting pipe is connected with a forced water outlet by a forced water outlet pipe, and the forced water outlet is arranged at the top of the sedimentation tank.