Hitachi, Ltd.

Mitsubishi Hitachi Power Systems, Ltd.

Masato Handa

Kenji Yamamoto

Osamu Ito

Naoyuki Nagafuchi

Naohiro Kusumi

Tsuyoshi Shibata

Kazumi Yasuda

Mitsuko Fukuda

Shinji Matsuura

Teruyuki Okazaki

A thermal power plant is proposed for achieving high reliability, low material cost, and low construction cost by devising the arrangement and structures of a boiler, steam turbines, and a flue gas treatment apparatus to reduce a usage amount of high-temperature resistance material and further to reduce a thermal elongation of piping. In a thermal power plant including a 2 pass-type boiler having a furnace for burning fuel, a rear heat recovery area for recovering heat from combustion gas exhausted from the furnace, steam turbines are arranged near the rear heat recovery area.

Thermal power plant

Disclosed is a coal boiler that makes it possible to reduce the height of the boiler and shorten the period of construction. The coal boiler includes a first furnace in which a combustion gas generated by burning coal and air ascends; a second furnace in which the combustion gas supplied from the first furnace flows downward; and a heat recovery area in which the combustion gas supplied from the second furnace flows upward.

Coal boiler and coal boiler combustion method

Growing community of inventors

Mito, Japan

Masato Handa