Analysis and Treatment Measures of High Moisture Content in Wet Desulfurization Gypsum
The limestone gypsum wet flue gas desulfurization process has been widely used in flue gas desulfurization of thermal power plants,however,in actual operation,the phenomenon of high gypsum moisture content often occurs.Excessive moisture content can lead to difficulty in removing gypsum and affect the safe operation of the desulfurization system of the unit.This article takes a certain thermal power plant as an example to explain the principle of wet desulfurization technology in power plants.The problem of excessive gypsum moisture content is systematically analyzed from the aspects of dehydration system related equipment,slurry quality,insufficient oxidation,etc.Scientific governance measures are proposed to reduce gypsum moisture content to within the qualified range and ensure the normal operation of the desulfurization system.
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