| 摘要 |
Three tanks are located at the same level. The first, primary tank (1) is a flat, waterproof receptacle in concrete with a sloping base. The secondary tank (2) is identical to the primary. The third (3) is a tank storing the separated liquid . Pipes (4, 5) connect the primary and secondary tanks. The pipe (4) enters the secondary tank above the base of its filtration partition (19) and below its drain trough (11). The pipe (5) enters the primary above the base of its filtration partition (10) and above its drain trough (16). The base of the filtration partitions is spaced above the base of the sedimentation tanks (1, 2) to allow emptying of settled liquid. Filter partition (10, 19) height is below the drain channel level. Pipe (6) connects the primary tank drain channel (16) to the storage tank (3) for separated liquid. The drain channel (11) of the secondary tank is connected to the storage tank by the pipe (7). Pipes 4-7 can be blocked by pipes (8, 9, 20, 21) during the use of the sedimentation system.
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