Fossil-fuel power plant and fossil-fuel power plant operation method

Adopted is a fossil-fuel power plant (1) characterized by comprising: an exhaust gas system (11); a water supply system (4); a high pressure water supply heater (10) provided in the water supply system (4); a primary coal economizer (36) which is on the downstream side of the high pressure water sup...

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Bibliographic Details
Main Authors NAGANO SHIRO, SHINSUKE SUZUKI
Format Patent
LanguageEnglish
Published 13.01.2016
Subjects
AIR SUPPLY
AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHINBOILERS
BLASTING
COMBUSTION APPARATUS
COMBUSTION PROCESSES
CONTROLLING WATER LEVEL
DRAUGHT-INDUCING
FEED-WATER SUPPLY
FLUES
HEATING
LIGHTING
MECHANICAL ENGINEERING
PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER
REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTIONRESIDUES
STEAM GENERATION
SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS
WEAPONS
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Summary:Adopted is a fossil-fuel power plant (1) characterized by comprising: an exhaust gas system (11); a water supply system (4); a high pressure water supply heater (10) provided in the water supply system (4); a primary coal economizer (36) which is on the downstream side of the high pressure water supply heater (10) of the water supply system (4) and heats the supplied water with the waste heat from combustion gases from a boiler (2); a catalytic denitrification device (14) to which exhaust gas that is no less than a required temperature is supplied, said catalytic denitrification device (14) being provided on the downstream side of the primary coal economizer (36) of the exhaust gas system (11); and an auxiliary coal economizer (40) that is provided between the high pressure water supply heater (1) of the water supply system (4) and the primary coal economizer (36) and that heats the water with the exhaust gas from the downstream side of the denitrification device (14).
Bibliography:Application Number: CN201480029065