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When the liquid level difference exceeds the preset value, the operation of the grille is controlled to remove garbage, ensure normal water overflow, and reasonably reduce equipment wear. Correspond to the control program according to the measured value, automatically control the operation combination of the lift pump. In this way, the pump running state can be adjusted accurately and timely according to the amount of water from outside the plant, reducing equipment fatigue; at the same time, the human resources cost of the three shifts of the traditional pumping station can be cancelled.

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