FOSSIL-FUEL POWER PLANT AND FOSSIL-FUEL POWER PLANT OPERATION METHOD

WIPO Patent Application WO/2014/188790

A1

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).

NAGANO SHIRO (JP)
SUZUKI SHINSUKE (JP)

PCT/JP2014/059524

November 27, 2014

March 31, 2014

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ELECTRIC POWER DEV CO (JP)

F23J15/00; F22D1/02; F22D1/32; F22D1/38; F22D1/40; F23L15/00

WO2008078721A1

2008-07-03

JPS5315639A	1978-02-13
JPH0926105A	1997-01-28
JPH0712306A	1995-01-17
JP2011247553A	2011-12-08
JP2002206702A	2002-07-26
JP2001082109A	2001-03-27

"Companion-Thermal and Nuclear Power Generation-Companion (7th Edition)", THERMAL AND NUCLEAR POWER ENGINEERING SOCIETY, pages: 167

SHIGA Masatake et al. (JP)
Masatake Shiga (JP)

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