Intelligent aeration method and system for sewage treatment

Abstract

The invention discloses an intelligent aeration method and system for sewage treatment, and the method comprises the following steps: S1, obtaining current monitoring data, and cleaning and repairing the monitoring data; s2, according to the monitoring data obtained in the S1, a decision support system established based on an activated sludge mathematical model and data of effluent quality, an aerobic zone dissolved oxygen target value, the air flow of a branch pipe in an aeration tank, the opening degree of an aerobic zone air pipeline valve and the start-stop state and power of an air blower are obtained through an analytical calculation method; s3, adjusting the aeration system according to the calculation result of the S2, and obtaining the adjusted monitoring data; and S4, learning S1 to S3 by using a gradient descent method, feeding back to S1, and then repeating S1 to S4 to correct. The intelligent technology is applied to online process control and operation optimization of an aeration system in the sewage biochemical treatment process, the intelligent operation and maintenance technology of a sewage treatment core process section based on a mechanism and algorithm model is achieved, and accurate control over aeration of an aerobic biological tank is achieved.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a method and system for intelligent aeration of sewage treatment. Background technique [0002] The regulation of the aeration system of the biological pool of the traditional sewage plant relies too much on the experience of technicians and manual operation. In many areas, there are problems such as low level of operation and management and lack of professionals, so that the aeration volume of the biological pool cannot be adjusted in a timely and effective manner, resulting in sewage treatment plants. The quality of the effluent is difficult to guarantee and the benefits are difficult to achieve. Since the quality and quantity of the influent water of the sewage treatment plant change all the time, the oxygen demand also changes within a certain time range. [0003] At present, most sewage plants use manual adjustment of aeration volume. Due to the implementation of t...

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Problems solved by technology

[0004] In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide a method and system for intelligent aeration of sewage treatment, to solve the problem of excessive aeration in the prior art, which leads to a substantial increase in power consumption, high dissolved oxygen in the refluxed digestive fluid, and the lack of damage. Anoxic environment in the oxygen zone, reduced total nitrogen removal effect, and increased carbon source dosage

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