Mitsubishi Heavy Industries Limited

Mitsubishi Power, Ltd.

Mitsubishi Hitachi Power Systems, Ltd.

Naoki Hisada

Hideyuki Uechi

Hideaki Sugishita

Eisaku Ito

Tatsuo Ishiguro

Kuniaki Aoyama

Yukimasa Nakamoto

Hiroyuki Yagita

Yuichi Oka

Tarou Ichihara

Provided is a plant that includes: a boiler; a device connected to the boiler; a water supply source that is configured to pool water; a water supply line that supplies water from the water supply source to the boiler; a cooler that transfers heat from a medium to be cooled to supply-water, which is the water flowing along the water supply line; a thermometer that determines a temperature of the medium to be cooled or the supply-water; and a temperature regulator that is configured to regulate the temperature of the medium to be cooled on the basis of the temperature determined by the thermometer.

Plant and operation method therefor

A gas turbine plant includes a gas turbine, an exhaust heat recovery boiler, and a water supply system that is configured to supply water to the exhaust heat recovery boiler. The exhaust heat recovery boiler has an evaporator configured to use an exhaust gas to heat water, thereby generating steam, and a reheater that is configured to heat steam with the exhaust gas introduced from the evaporator. The water supply system has a water supply line that is configured to supply water from a water supply source to the exhaust heat recovery boiler, and a supplied water temperature regulator that is configured to regulate a temperature of supplied water, which is the water in the water supply line.

Gas turbine plant and operation method therefor

Provided is a plant that includes: a boiler (); a device connected to the boiler (); a water supply source () that is configured to pool water; a water supply line () that supplies water from the water supply source () to the boiler (); a cooler () that transfers heat from a medium to be cooled to supply-water (W), which is the water flowing along the water supply line (); a thermometer () that determines a temperature of the medium to be cooled or the supply-water; and a temperature regulator () that is configured to regulate the temperature of the medium to be cooled on the basis of the temperature determined by the thermometer ().

An intake air cooling device includes a water supply line and a heat pump device. The water supply line is configured to send water to a waste heat recovery boiler which is configured to generate steam using heat of an exhaust gas from a gas turbine. The heat pump device is configured to transfer heat of air suctioned by the gas turbine to water flowing through the water supply line and thereby cool the air while heating the water.

Intake air cooling method, intake air cooling device executing said method, and waste heat recovery facility and gas turbine plant each comprising said intake air cooling device

A boiler including one or more evaporators, an economizer, and a low-temperature heat exchanger. The economizer is located on a downstream side of the most downstream evaporator which is an evaporator at the most downstream side among the one or more evaporators. The low-temperature heat exchanger is located on the downstream side of the economizer, has an inlet for receiving water from the outside, and is configured to heat the water introduced from the inlet and sent to the economizer with the combustion gas.

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Yokohama, Japan

Naoki Hisada