| 摘要 |
A waste water treating system which has an incline pipe for passing waste water therethrough by gravity flow. This aeration pipe has tuyere perforations penetrating the pipe along a portion and a sealed jacket surrounds this perforated portion of the pipe. An access conduit is connected to the jacket for access to the interior of the jacket and an air fan is mounted at the upper in the access conduit for forcing air under pressure from its inlet into the interior of the jacket and through the perforation as tuyeres for agitating and aerating waste water passing through the perforated aeration pipe. Additional aeration may be accomplished by gravity flow of the waste water by connecting the downstream end of this perforated pipe to a vertical riser pipe for flowing waste water by gravity flow from an upper open end of the riser pipe to assist in further aeration of the waste water.
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