All-regenerated fuel combustion steam power cycle thermal power generation system and process thereof
A technology of steam power and thermal power generation, which is applied in the field of boilers, can solve the problems of poor thermodynamic imperfection, increase of exhaust gas temperature, and difficulty in low-temperature corrosion, and achieve the goal of avoiding the limitation of temperature difference pinch, reducing the power consumption of fans, and avoiding low-temperature corrosion Effect
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[0024] see figure 1 As shown, a fuel combustion steam power cycle thermal power generation system of the present invention includes a furnace and a boiler high-temperature flue gas section 1, a first reheater 2, a second reheater 3, a superheater 4, and a water-cooled wall 5. Main steam pipeline 9, generator 10, steam turbine 12, condenser 14, fan 16, condensate pump 17, high-pressure condensate pump 18, flue gas purification system 19, high-pressure condensate heater 20, low-pressure heater 21, supply Water pump 22, high pressure heater 23 and air heater 24.
[0025] The boiler high-temperature flue gas section of the furnace 1 is equipped with a first reheater 2, a second reheater 3, a superheater 4 and a water-cooled wall 5; Theoretically speaking, the flue gas above the average endothermic temperature belongs to the high temperature flue gas. The first reheater 2 and the second reheater 3 are connected to the reheat steam inlet and outlet 11 of the steam turbine through ...
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