| 摘要 |
PROBLEM TO BE SOLVED: To more suitably control the exhaust amount of a pollution load to discharge points such as rivers by using a water quality improvement agent. SOLUTION: In the subject controlling device of a confluential sewerage treatment equipment, measurement signals including rainfall signals (12), storm sewage pump well water level signals (29) and inflow conduit water level signals (28), and operation status signals denoting the operation status of a job site and including storm sewage pump operation status signals (14) and inflow gate operation status signals (8) are inputted into a process controller (11), the injection rate of a water quality improvement agent is calculated based on the measurement signals and operation status signals of the job site, and operation commands are outputted to a water quality improvement agent injection pump (20) based on the calculated injection rate. COPYRIGHT: (C)2005,JPO&NCIPI
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