THERMAL POWER PLANT USING LOW-GRADE COAL AS FUEL

A thermal power plant that uses low-grade coal as fuel and allows for increased thermal efficiency of the entire plant is provided. The thermal power plant includes a drying device (3) that dries the low-grade coal to be supplied to a lignite mill (coal pulverizer) (4), and a drying-gas heater (13)...

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Main Authors KOYAMA, YOSHINORI, YAMAMOTO, TAKASHI, ISHII, HIROMI, SHINADA, OSAMU, YAMADA, HITOJI, KANEKO, SHOZO, HARADA, TATSURO, TOKUDA, KIMISHIRO, MOCHIDA, ISAO
Format Patent
LanguageEnglish
French
German
Published 04.01.2012
Subjects
BLASTING
COMBUSTION APPARATUS
COMBUSTION PROCESSES
ENGINE PLANTS IN GENERAL
ENGINE PLANTS NOT OTHERWISE PROVIDED FOR
ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
FEEDING FUEL TO COMBUSTION APPARATUS
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
STEAM ACCUMULATORS
STEAM ENGINE PLANTS
STEAM ENGINES
WEAPONS
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Summary:A thermal power plant that uses low-grade coal as fuel and allows for increased thermal efficiency of the entire plant is provided. The thermal power plant includes a drying device (3) that dries the low-grade coal to be supplied to a lignite mill (coal pulverizer) (4), and a drying-gas heater (13) that heats air to be supplied to the drying device (3) so as to be used for drying the low-grade coal. A condenser (12) and the drying-gas heater (13) are connected with each other via a heat exchanger (19), and exhaust heat from the condenser (12) is used as a heat source for heating the air.
Bibliography:Application Number: EP20090840846