A kind of optimization control method and device of electrocoagulation process
A technology for optimal control and electro-flocculation, which is used in chemical instruments and methods, general water supply conservation, complex mathematical operations, etc.
Active Publication Date: 2021-04-23
CENT SOUTH UNIV
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Problems solved by technology
[0006] In order to at least partly overcome the above-mentioned problems in the prior art, the present invention provides an optimization control method and device for the electrocoagulation process, which is used to automatically determine a more reasonable and accurate current and commutation period in the electrocoagulation process according to the actual situation , to avoid the high power consumption caused by manual adjustment, and the problem that the purified wastewater cannot meet the standard stably
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[0079] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0080] figure 1 It is a flowchart of an optimal control method for an electrocoagulation process according to an embodiment of the present invention, such as figure 1 shown, including:
[0081] Step S1: Build a mechanism relationship model between impurity concentration and current in the electrocoagulation process, and collect industrial data to identify and verify the parameters of the model;
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The invention provides a method and device for optimizing the control of the electrocoagulation process. The method includes: establishing a relationship model between impurity concentration and current in the electrocoagulation process, collecting industrial data to identify parameters of the relationship model; establishing a method based on the highest removal rate of impurities and the lowest processing cost A multi-objective optimization model of two conflicting objectives; introducing a self-adjusting parameterization method and a commutation factor to construct an optimization model based on a commutation period; using a state transition algorithm with evaluation criteria to optimize the current and commutation period to obtain industrial settings value. The optimized control method provided by the present invention can obtain the optimal setting value of the current and the commutation period, and can provide real-time control guidance for the current and the commutation period of the electrocoagulation process, which is helpful for reducing power consumption, saving costs, and stabilizing the electrocoagulation process. The quality of exported purified water is of great significance.
Description
technical field [0001] The invention belongs to the field of industrial process optimization control, and in particular relates to an optimization control method and device of an electrocoagulation process. Background technique [0002] Industrial wastewater is currently the main source of water environmental pollution, especially heavy metal pollutants such as cadmium, cobalt, and nickel contained in wastewater have huge hazards such as carcinogenic and teratogenic. The electrocoagulation process is a green and effective method for treating industrial wastewater. Electrode reactions occur by energizing the iron plates, and the precipitated iron ions diffuse into the solution and pollutants undergo complex oxidation-reduction reactions, hydrolysis reactions, and pollutants inside the reactor. Physical adsorption reaction forms insoluble flocs and precipitates to purify water. [0003] In the process of electrocoagulation, the current setting plays a key role in the effectiv...
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IPC IPC(8): C02F1/463G06F17/10C02F101/20
CPCC02F1/463C02F2101/20G06F17/10Y02A20/152
Inventor 阳春华张凤雪李勇刚黄科科李繁飙袁卓异周灿朱红求
Owner CENT SOUTH UNIV