Adaptive automatic control method for water treatment through magnetic medium coagulation and sedimentation

Abstract

The invention relates to an adaptive automatic control method for water treatment through magnetic medium coagulation and sedimentation. The method comprises the following steps: constructing a magnetic medium coagulation and sedimentation system, establishing a chemical initial feeding curve expert database based on traditional experience based on influent process parameters of the magnetic medium coagulation and sedimentation system, conducting trial drug addition, using an alumen ustum image acquisition system to perform tracking shooting and image recognition and analysis, confirming the effect of chemical feeding, and performing adaptive correction and optimization on the expert database according to the actual operating conditions of the system so as to form a chemical feeding curvefor the updated operating condition. The method has the advantages that the chemical initial feeding curve expert database is formed according to expert experience, the chemical initial feeding curveexpert database is dynamically corrected and optimized by using real-time or manual set data of multiple-control factors so as to form the chemical feeding curve of the updated operating condition, and the curve is used for guiding an automatic control system to perform automatic and accurate feeding of three reagents, so that the remote one-button start-stop equipment is achieved.

Description

technical field [0001] The invention relates to the technical field of coagulation and sedimentation water treatment, in particular to an automatic control method for self-adaptive magnetic medium coagulation and sedimentation water treatment. Background technique [0002] In recent years, dense media coagulation and sedimentation water treatment technology has been widely concerned and rapidly promoted and applied in the field of sewage treatment due to its efficient ability to remove total phosphorus, SS and COD. At the same time as the coagulant, micron-sized inert heavy medium powder is added as the flocculation nucleus of the flocs to strengthen the coagulation and sedimentation process. The flocs are also often called alum flowers. In order to reduce operating costs, heavy medium powder is recycled through recycling equipment. [0003] Dense medium coagulation sedimentation water treatment technology includes magnetic dense medium coagulation sedimentation technology ...

AI Technical Summary

Problems solved by technology

[0004] Since the magnetic media coagulation sedimentation technology has just emerged in recent years, in the process of implementing this technology, there is currently no unified industry standard or local standard for the reference of people in the industry; in terms of control, so far, there are still Using the single equipment control method relying on manual experience, there is no complete set of magnetic media coagulation sedimentation automatic control system in the market so far; in terms of chemical dosing, the dosing in the application of magnetic media coagulation sedimentation system is currently on the market , for coagulant and coagulant, according to the water flow rate of the system, dosing with metering pump in the form of flow ratio; for magnetic medium, dosing in large doses manually once or twice a day, or according to manual experience The roughly estimated dosage of magnetic medium per unit time is uniformly dosed with a magnetic medium dosing machine, and then fine-tuned according to the water outlet situation based on manual observation results and manual experience

This is easy to frequently produce extreme consequences: unnecessary waste may be caused by excessive dosing, or the water quality will be seriously affected by too little dosing. Especially, when adding magnetic media manually, due to the high density and heavy Heavy, in the hot summer and cold winter, the labor intensity of the operator is very high, which is likely to cause safety production accidents

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