Mitsubishi Hitachi Power Systems, Ltd.

Yasuhiro Takei

Makoto Fujita

Yasunari Shibata

Masashi Kitada

Fumihiro Chuman

Kenta Haari

Shigetaka Takeda

Naohito Saito

A gasification apparatus for gasifying a carbonaceous feedstock to produce raw syngas includes a gasifier in which the raw syngas flows, a heat exchanger provided inside the gasifier downstream to exchange heat with the raw syngas, a hanger pipe through which a part of water supplied from a water supply passage flows to support a load of the heat exchanger, a heat exchanger inflow passage configured to cause the water flowing out from the hanger pipe to flow to an inflow side of the heat exchanger, a bypass passage branching from the water supply passage to cause a remaining of the water supplied to the hanger pipe, a bypass valve provided in the bypass passage, and a control device configured to control, depending on a gasifier load, an opening degree of the bypass valve to adjust the water supplied to the hanger pipe and the bypass passage.

Gasification apparatus, control device, integrated gasification combined cycle, and control method

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Kanagawa, Japan

Yasuhiro Takei