| 摘要 |
1427216 Clarifying water INGERSOLLRANDCO 22 Nov 1973 [13 Dec 1972] 54162/73 Heading C1C Apparatus for clarifying water containing solid material, comprising a vessel containing a clarifying chamber including an upper portion and a lower portion open to the lower end of said upper portion, said lower portion being of greater horizontal side-to-side dimension than the lower end of said upper portion and projecting beyond at least one side of the lower end of said upper portion, wall means overlying said lower portion beyond at least said one side of the lower end of said upper portion for directing rising gaseous bubbles and buoyant solid material in said lower portion towards the lower end of said upper portion, liquid discharge means for discharging clarified water from said lower portion spaced outwardly of at least one side of the lower end of said upper portion, a cross-sectional area in a vertical direction of said lower portion in the path of the liquid from said upper portion lower end to said liquid discharge means being greater than the cross-sectional area of said upper portion lower end, whereby to reduce the rate of flow of liquid as compared with its rate of flow downwardly through the upper portion lower end, influent water supply means for supplying influent water to said upper portion spaced above the lower end of said upper portion, has supply means for supplying gaseous bubbles to said clarifying chamber spaced vertically between said influent water supply means and said liquid discharge means, and solid material discharge means for discharging solid material accumulating at the upper end of said upper portion. |
