| 摘要 |
<p>1,138,481. Aerating sewage. UNION TANK CAR CO. 26 Jan., 1966 [17 Feb., 1965], No. 3500/66. Heading C1C. A prefabricated aerating unit any number of which can be fitted to a sewage storage tank and which imparts a rotary movement to the sewage during aeration comprises a support structure 30 with a baffle plate 40 which extends inwardly from the tank side wall; a walk way 28 and air header pipe 53 mounted on the support structure on the opposite side to the baffle plate and an air diffuser 27.</p> |
