Precise control method of sewage treatment plant aeration total quantity
A sewage treatment plant, precise control technology, applied in the direction of electrical program control, comprehensive factory control, etc., can solve the problems of adjustment lag, arbitrariness, low adjustment frequency, poor adaptability to changes in incoming water quality and water volume, etc.
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[0097] See attached for details figure 1 , Attached Figure 4 The present invention provides a method for accurately controlling the total amount of aeration in a sewage treatment plant, including an influent COD meter, an influent ammonia nitrogen online monitor, an influent flow meter, an dissolved oxygen online monitor, an effluent ammonia nitrogen online monitor, and a center PLC and several blowers, the influent COD meter, ammonia nitrogen online monitor, influent flow meter, dissolved oxygen online monitor and effluent ammonia nitrogen online monitor are connected in parallel with the central PLC, and the central PLC is connected with several blowers ; The central PLC collects four variable signals with independent adjustment periods and adjustment ranges, namely, effluent ammonia nitrogen, DO value, influent COD and ammonia nitrogen, influent water volume has primary and secondary distinctions, and four related to each other Variable signal, the four varia...
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