| 摘要 |
PURPOSE: A liquid circulation type feeding apparatus for powdered chemicals is provided to prevent dust from scattering in an input process of the chemicals and water, and to prevent the powder from being attached on an inner side of a tank or a pipe. CONSTITUTION: A liquid circulation type feeding apparatus for powdered chemicals includes a mixing tank(100), a supply pipe(200), a chemical guide pipe(300), a circulation pipe(400), and an exhaust pipe(500). A mixer(110) is installed inside the mixing tank. A chemical input hopper(140) is installed at an upper side of the mixing tank. A dust collecting pipe(130) is connected to a side of the mixing tank. A water level gauge(120) is installed at a side of the mixing tank. A supply pipe control valve(210) is installed at the supply pipe. The liquid circulation type feeding apparatus further includes a secondary exhaust(700) having a secondary exhaust cut-off valve(710). |
