DEVICE FOR INDUCING CONVECTION IN WATER TANK

摘要

PPROBLEM TO BE SOLVED: To crush, diffuse, stir and mix precipitates of a bottom layer and suspended matters of upper layer by inducing conviction in a water tank. PSOLUTION: The device for inducing conviction in the water tank comprises an upper pipe having a delivery opening formed at its upper end, a lower pipe having a delivery opening formed at its lower end, a casing provided between both the pipes and having suction openings formed on its periphery, and impellers provided in the upper pipe and the lower pipe and having a blade having an each other oppositely directed torsion, wherein the device is left standing in the water tank, and the water sucked in from the suction openings is delivered out of the openings of the upper and lower pipes. The delivery opening of the upper pipe is directed in the direction parallel to the water face; and the casing is constituted by such that the two suction openings separated in the upper part and the lower part are secured by disposing a partition plate at the center, and outer hulls connecting to each of the upper and lower pipe and having a diameter smaller than the partition plate. PCOPYRIGHT: (C)2007,JPO&INPIT