JP2004098048A5 - - Google Patents

Claims (6)

A flocculant charging machine capable of continuously charging the flocculant powder, a stirrer for stirring the flocculant continuously charged from the flocculant charging machine and the sewage introduced from the outside, and the stirring flocculant charging machine And a sewage preliminarily treated by the agitator, and a sedimentation tank for precipitating agglomerated filth in the sewage,
The flocculant charging machine is installed in a storage portion for storing a predetermined amount of the flocculant powder, a flocculant powder dropping hole opened at the bottom of the storage portion, and rotatably driven on the flocculant powder dropping hole. And a heater for drying the flocculant powder by heating it around the flocculant powder dropping hole. A flocculant charging machine capable of continuously charging the flocculant powder, a stirrer for stirring the flocculant continuously charged from the flocculant charging machine and the sewage introduced from the outside, and the stirring flocculant charging machine And a sewage preliminarily treated by the agitator, and a sedimentation tank for precipitating agglomerated filth in the sewage,
The flocculant charging machine includes a storage portion for storing a predetermined amount of the flocculant powder, a flocculant powder dropping hole opened at the bottom of the storage portion, and a flocculant powder dropping hole installed on the horizontal rotating shaft. And a plurality of stirring plates attached to the horizontal rotation shafts on both sides of the stirring member. A flocculant charging machine capable of continuously charging the flocculant powder, a stirrer for stirring the flocculant continuously charged from the flocculant charging machine and the sewage introduced from the outside, and the stirring flocculant charging machine And a sewage preliminarily treated by the agitator, and a sedimentation tank for precipitating agglomerated filth in the sewage,
The stirrer has an inlet for flocculant powder continuously fed from the flocculant feeder, and a sewage introduction pipe joined to the side surface so as to introduce sewage from the outside along the circumference. A cylindrical first stirring section;
A plurality of stirring plates, which are connected to the lower side of the first stirring unit and for stirring the sewage introduced from the first stirring unit, are attached to the inner wall and the inner wall on the opposite side so as to be inclined obliquely downward. 2. A purification apparatus comprising: 2 agitation units; and a sewage discharge port provided at a bottom of the second agitation unit.   The sedimentation tank has an air contact tank installed at a position higher than the water level of the introduced sewage, and a pump that pumps sewage into the air contact tank, and overflows the sewage from the air contact tank. The purification apparatus according to claim 1, 2, or 3, wherein sewage is continuously dropped into the settling tank.   A purifying device for purifying water stored in a water storage tank, a coagulant charging machine capable of continuously charging coagulant powder, and a coagulant continuously supplied from the coagulant charging machine and the water storage tank The pre-treated water preliminarily treated by the stirrer that stirs the water introduced from the water, the stir coagulant charging machine and the stirrer, and the filtered water obtained by filtering the aggregated filth in the pretreated water is stored in the water storage A filtration tank that is discharged into the tank, the filtration tank comprising a first filtration tank and a second filtration tank adjacent to each other, wherein the first filtration tank supplies the pretreated water to the first filtration tank. An introduction pipe that is introduced into the filtration tank; and a first filtration layer that filters the pretreated water introduced from the introduction pipe through the first filtration tank from the lower side to the upper side. The filtration tank 2 is filtered by the first filtration layer and overflows. Water is introduced, and the second filtration layer that filters the filtered water through the second filtration tank from the lower side to the upper side, and the discharge that discharges the filtered water filtered by the second filtration layer A purification device comprising a tube.   The purification apparatus according to claim 5, wherein a plurality of the filtration tanks are connected.