By study of operating costs of Fuel Gas Desulphurization ("FGD") device in coal-fired power plants and relevant environmental protection regulations, the thesis established a set of comprehensive index system for evaluating the effect of FGD system, and made a real-life research on four coal-fired power plants within Hebei Southern Grid, to evaluate the comprehensive effect of FGD system in coal-fired power plants, thus providing a guideline for coal-fired power plants in FGD modification project. |