A2O biological tank process model building method

A modeling method and technology of biological pools, applied in special data processing applications, instruments, electrical and digital data processing, etc., can solve the problems of late research start, less software development research, and less simulation software.

Inactive Publication Date: 2016-08-31
SHENZHEN KITEWAY AUTOMATION ENG
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Problems solved by technology

However, the domestic research in this field started relatively late, and the research on software development is also less, so that in the process of using the A2O sewage treatment process in China, if it is necessary to simulate the process of the A2O sewage treatment process, it has to spend a lot of money Buy simulation software similar to ASMs series

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  • A2O biological tank process model building method
  • A2O biological tank process model building method
  • A2O biological tank process model building method

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[0068] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0069] figure 1 Shows a flow chart of the A2O biological pool process modeling method provided by an embodiment of the present invention, as figure 1 As shown, the method includes:

[0070] S101, setting input parameters and output parameters;

[0071] In this step, the input parameters include the biological pool influent flow Q e , sludge return flow rate Q r , mixed liquid return flow Q t , mud discharge Q w And the concentration of the influent components of the biological pool; the output parameter is the rate of change of the component concentration, where the concentration of the influ...

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Abstract

The invention relates to the field of sewage treatment, and provides an A2O biological tank process model building method. The method comprises the following steps: setting input parameters and output parameters; building an A2O biological tank process model according to the input parameters, the output parameters, an ASM2D (Activated Sludge Model No.2D) model and a material balance equation, wherein the A2O biological tank process model comprises an anaerobic tank process model, an anoxic tank process model and an aerobic tank process model; the output parameters represent the concentration variation rate of components. According to the A2O biological tank process model building method, the A2O biological tank process model is simple and can be built through Matlab simulation software; the A2O biological tank process model can be used for simulating the A2O biological tank process, so as to provide foundation for later control strategy study; meanwhile, purchase of foreign ASMs-like series simulation software which is high in price can be avoided, so that the cost of sewage treatment of the A2O biological tank process can be reduced.

Description

technical field [0001] The invention relates to the field of sewage treatment, in particular to an A2O biological pool process modeling method. Background technique [0002] The A2O method, also known as the AAO method, is the abbreviation of the first letter of the English Anaerobic-Anoxic-Oxic (anaerobic-anoxic-aerobic method). It is a commonly used secondary sewage treatment process, which has been widely used. To urban sewage treatment plants, it can be used for secondary sewage treatment or tertiary sewage treatment. The activated sludge method is also a sewage treatment method commonly used in the world today, and has good nitrogen and phosphorus removal effects. With the increasingly active application of mathematical simulation and computer technology in sewage treatment process, it is possible to develop mathematical simulation software for activated sludge system, which also provides a good foundation for the operation of activated sludge mathematical model. For e...

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/367
Inventor 唐思明武延坤
Owner SHENZHEN KITEWAY AUTOMATION ENG
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