| 摘要 |
PROBLEM TO BE SOLVED: To predict the degree of sulfide corrosion of a furnace wall tube with reaction fluid calculation.SOLUTION: A sulfide corrosion prediction method of a boiler furnace wall tube includes: a step S14 of acquiring, with thermodynamics balance calculation of a step S13, a relational expression between the gas concentration of a chemical species capable of being obtained by reaction fluid calculation of a step S4 and the gas concentration of a specific chemical species incapable of being obtained by the reaction fluid calculation of the step S4; and a step S22 of calculating gas concentration distribution in an analysis object region of the specific chemical species incapable of being obtained by the reaction fluid calculation of the step S4, with temperature distribution and gas concentration distribution calculated by a step S21 and the relational expression calculated by the step S14. |
