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Alternative TitleLoop control method for biochemical sewage treatment process
苑明哲; 王宏; 于广平; 于海斌; 孙阳; 滕琳琳; 王景扬
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司 21002
Status有权 权利转移
Other AbstractThe invention relates to a loop control method for the biochemical sewage treatment process, which comprises the following steps of: performing cascade control on the organic load of inflowing water, and controlling 'labor force' of the biochemical sewage treatment, namely the number of 'foods' of microbes so as to reduce the energy consumption in a sewage lift link; performing cascade control on dissolved oxygen concentration in an aeration tank to realize air supply of the aeration tank according to the need so as to reduce the energy consumption in a fan aeration link; and performing feedforward-cascade control on the sludge concentration in the aeration tank, and controlling the number of microbes in a sewage treatment system so as to reduce the energy consumption in a sludge return link. The loop control method effectively controls the biochemical sewage treatment process with three main energy consumption links, namely sewage lift, fan aeration and sludge return, obviously reduces the energy consumption in the biochemical sewage treatment process on the premise of guaranteeing that effluent steadily meets the standard, and solves the problem that the traditional PID single loop control is difficult to achieve ideal control effect by implementing loop control cascade control and a human intelligent control algorithm,.
PCT Attributes
Application Date2009-08-27
Date Available2012-08-29
Application NumberCN200910013441.4
Open (Notice) NumberCN101993151B
Contribution Rank1
Document Type专利
Recommended Citation
GB/T 7714
苑明哲,王宏,于广平,等. 污水生化处理过程回路控制方法[P]. 2011-03-30.
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