Method for controlling automatic flocculant addition
A technology of automatic dosing and flocculant, applied in electrical program control, flocculation/sedimentation water/sewage treatment, program control in sequence/logic controllers, etc. The effect of processing cost, ensuring stability, and reducing waste of chemicals
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[0035] The present invention and its specific embodiments will be further described in detail below in conjunction with the accompanying drawings.
[0036] The flocculant automatic dosing control system includes a feedback control system, a PLC control system, a metering pump, a mixer and a filter tank; the feedback control system is set at the sewage outlet, and the flow meter for measuring the sewage flow is used to determine the total amount of the sewage. The online TP monitor for phosphorus content and the online SS analyzer for measuring the content of suspended solids in sewage are composed of the flow meter, the online TP monitor, and the online SS analyzer. The input ends are connected, the output ends of the flow meter, online TP monitor, and online SS tester are respectively connected to the input end of the PLC control system, and the output end of the PLC control system is connected to the metering pump, mixer, and filter in turn.
[0037] The flocculant automatic dosi...
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