| 摘要 |
PROBLEM TO BE SOLVED: To provide a confluent type sewage treatment system constituted so as to remove fine impurities in inflow sewage responding to an increase and decrease in the amount of the sewage flowing in a sewage disposal plant without increasing the loss head by the automatic dust extractor installed in a rainwater treatment basin becoming a branched water channel. SOLUTION: In the confluent type sewage treatment system constituted so that a plurality of rainwater treatment basins 21, 22 ... 26, in which the automatic dust extractors are installed, are branched from an inflow water channel 1 to be provided in parallel to each other to treat inflow sewage, the fine automatic dust extractor 5 is installed in at least one rainwater treatment basin 21 among a plurality of the rainwater treatment basins 21, 22 ... 26, on the upstream side in the rainwater treatment basin 21 and the very fine mesh automatic dust extractor 6 is installed on the downstream side of the fine mesh automatic dust extractor 5 at a required interval. COPYRIGHT: (C)2008,JPO&INPIT
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