Ammonia desulfurization optimization control method based on multivariable predictive control
An ammonia desulfurization and predictive control technology, applied in the direction of adaptive control, general control system, control/regulation system, etc., can solve the problems of inability to solve the control system stability and control system quality, unfavorable absorption, aerosol, etc. The effect of promoting economical and environmentally friendly operation, reducing operation frequency, and increasing robustness
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[0041] In the following, the present invention will be further explained with reference to the accompanying drawings and specific embodiment 1. It should be understood that the embodiments are only used to illustrate the present invention and not to limit the scope of the present invention. After reading the present invention, those skilled in the art will understand various aspects of the present invention. Modifications in equivalent forms fall within the scope defined by the appended claims of this application.
[0042] 1) Obtain the identification model of the controlled object through the field dynamic response test.
[0043] Set system export SO 2 The concentration dynamics can be Said. Where y 1 (s) is SO after desulfurization 2 Concentration, y 2 (s) is the pH of the circulating slurry, u 1 (s) is the ammonia water flow in the absorption section, u 2 (s) is the ammonia water flow rate in the oxidation section; G 11 (s) is the flow rate of ammonia water in the absorption se...
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