Abstract: A solar thermal power generation system includes a solar heat collection system that generates superheated steam by solar heat, a main power generation system that performs power generation by part of the superheated steam generated by the solar heat collection system, a solar heat storage/release system that stores heat in a heat storage medium or releases the heat stored in the heat storage medium, and a secondary power generation system that performs power generation by saturated steam generated by the heat storage or the heat release in the solar heat storage/release system.

Abstract: The invention provides a solar/air turbine generator system that reduces construction and power generating costs and does not require the use of fossil fuel. A solar/air turbine generator system comprises: a compressor for drawing in and compressing air; a solar receiver for heating the air compressed by the compressor with the use of solar heat collected by a solar collector; an air turbine for driving the compressor and a generator by receiving the compressed air heated by the solar receiver; a regenerative heat exchanger, located between the compressor and the solar receiver, for heating the air compressed by the compressor using the exhaust of the air turbine as a heating medium; and a distribution device, located between the compressor and the regenerative heat exchanger, for distributing the compressed air to the side of the regenerative heat exchanger and to a bypass side, the bypass side being the inlet side of the air turbine.

Abstract: The object is to simplify systems in a solar thermal power generation plant and thereby provide a solar thermal power generation system achieving reduction in the construction cost and the power generation cost.

Abstract: a solar thermal power generation system includes a solar heat collection system that generates superheated steam by solar heat, a main power generation system that performs power generation by part of the superheated steam generated by the solar heat collection system, a solar heat storage/release system that stores heat in a heat storage medium or releases the heat stored in the heat storage medium, and a secondary power generation system that performs power generation by saturated steam generated by the heat storage or the heat release in the solar heat storage/release system.

Abstract: A combustion exhaust gas treatment system comprising: a heat exchanger (A) for recovering heat contained in the combustion exhaust gas into heat medium, an absorption column for obtaining CO2 removed gas by absorbing CO2 in the combustion exhaust gas into absorbent, a heat exchanger (B) for applying heat recovered by heat medium to the CO2 absorbed absorbent, a desorption column for desorbing the absorbent by removing CO2 from the CO2 absorbed absorbent, a flash tank for flash vaporizing the desorbed absorbent and a heat exchanger (E) for transferring heat from the desorbed absorbent to the CO2 absorbed absorbent, wherein the CO2 absorbed absorbent can be supplied from the absorption column to the desorption column via the heat exchanger (E) and the heat exchanger (B) in this order, and the desorbed absorbent can be supplied from the desorption column to the absorption column via the flash tank and the heat exchanger (E) in this order.

Abstract: The object is to simplify systems in a solar thermal power generation plant and thereby provide a solar thermal power generation system achieving reduction in the construction cost and the power generation cost.

Abstract: The invention provides a solar/air turbine generator system that reduces construction and power generating costs and does not require the use of fossil fuel. A solar/air turbine generator system comprises: a compressor for drawing in and compressing air; a solar receiver for heating the air compressed by the compressor with the use of solar heat collected by a solar collector; an air turbine for driving the compressor and a generator by receiving the compressed air heated by the solar receiver; a regenerative heat exchanger, located between the compressor and the solar receiver, for heating the air compressed by the compressor using the exhaust of the air turbine as a heating medium; and a distribution device, located between the compressor and the regenerative heat exchanger, for distributing the compressed air to the side of the regenerative heat exchanger and to a bypass side, the bypass side being the inlet side of the air turbine.

Abstract: An integrative system of a concentrating solar power plant and desalination plant comprises a solar heat collector which generates superheated steam using solar heat, condensation type steam turbine power generation equipment which uses steam as a heat cycle medium, and multistage flash or multiple-effect desalination equipment. Superheated steam is generated by the solar heat collector and supplied to the power generation equipment to generate power and steam is extracted from a steam turbine middle stage of the power generation equipment and supplied to the desalination equipment. A steam supply line which bypasses the steam turbine and adjusts the pressure and temperature of steam from the solar heat collector and supplies the steam to the desalination equipment is provided.

Abstract: A thermal power plant includes a boiler for burning fossil fuel to generate steam, a steam turbine including a high-pressure turbine, an intermediate-pressure turbine, and a low-pressure turbine which are driven by steam generated in the boiler, an absorber for absorbing and capturing CO2 contained in boiler exhaust gas discharged from the boiler in an absorbing liquid, a desorber for circulating the absorbing liquid between the desorber and the absorber and separating CO2 from the absorbing liquid that has absorbed CO2, a reboiler for feeding a heating source for separating CO2 from the absorbing liquid to the desorber, a steam pipe system for feeding steam taken out from the high-pressure turbine and the intermediate-pressure turbine to the reboiler, and a steam feed source switching device.

Abstract: A gasification power generation system provided with a carbon dioxide separation and recovery device is disclosed. The system includes a carbon dioxide separation and recovery device having a shift reactor to convert carbon monoxide contained in fuel gas into carbon dioxide by mixing steam into the fuel gas containing carbon monoxide and hydrogen to cause a shift reaction; a carbon dioxide absorption tower to produce fuel gas from which carbon dioxide has been removed by allowing an absorption liquid to absorb carbon dioxide from the fuel gas containing carbon dioxide flowing down the shift reactor; an absorption liquid recycling device to recycle an absorption liquid by separating carbon dioxide absorbed by the absorption liquid in the carbon dioxide absorption tower; and a gasification power generation system.

Abstract: A combustion exhaust gas treatment system comprising: a heat exchanger (A) for recovering heat contained in the combustion exhaust gas into heat medium, an absorption column for obtaining CO2 removed gas by absorbing CO2 in the combustion exhaust gas into absorbent, a heat exchanger (B) for applying heat recovered by heat medium to the CO2 absorbed absorbent, a desorption column for desorbing the absorbent by removing CO2 from the CO2 absorbed absorbent, a flash tank for flash vaporizing the desorbed absorbent and a heat exchanger (E) for transferring heat from the desorbed absorbent to the CO2 absorbed absorbent, wherein the CO2 absorbed absorbent can be supplied from the absorption column to the desorption column via the heat exchanger (E) and the heat exchanger (B) in this order, and the desorbed absorbent can be supplied from the desorption column to the absorption column via the flash tank and the heat exchanger (E) in this order.

Abstract: A boiler apparatus is provided that generates a heat source capable of efficiently regenerating absorbing liquid while maintaining steam turbine efficiency to a maximum extent.

Abstract: It is an object of the present invention to provide a solar boiler system that can suppress the installation cost for a solar heat collector and significantly improve gross thermal efficiency while minimizing a rise in air temperature resulting from the collected solar heat. The solar boiler system of the present invention includes a boiler for burning fossil fuel; a primary air system for pneumatically transporting pulverized fossil fuel to a burner attached to the boiler; a secondary air system for supplying preheated air for combustion to the boiler; and a secondary air superheater provided at the secondary air system, the secondary air superheater further superheating the preheated air for combustion with solar thermal energy.

Abstract: A thermal power plant includes a boiler for burning fossil fuel to generate steam, a steam turbine including a high-pressure turbine, an intermediate-pressure turbine, and a low-pressure turbine which are driven by steam generated in the boiler, an absorber for absorbing and capturing CO2 contained in boiler exhaust gas discharged from the boiler in an absorbing liquid, a desorber for circulating the absorbing liquid between the desorber and the absorber and separating CO2 from the absorbing liquid that has absorbed CO2, a reboiler for feeding a heating source for separating CO2 from the absorbing liquid to the desorber, a steam pipe system for feeding steam taken out from the high-pressure turbine and the intermediate-pressure turbine to the reboiler, and a steam feed source switching device.

Abstract: A thermal power plant includes carbon dioxide capture scrubbing equipment that suppresses reductions in the efficiency and output of a steam turbine, and, at the same time, reduces variations in the amount of steam supplied from a solar heat collection apparatus to a reboiler and variations in the temperature and pressure of reboiler generated steam, and stably carries out reactions for separating carbon dioxide from an absorbent by heating. The thermal power plant includes the carbon dioxide capture scrubbing equipment for capturing carbon dioxide from a boiler exhaust gas and the solar heat collection apparatus. Steam generated by the solar heat collection apparatus is supplied to the reboiler provided for a regeneration tower of the carbon dioxide capture scrubbing equipment.

Abstract: To provide a multipurpose thermal power plant system capable of capturing moisture and carbon dioxide in large quantities at a low cost from exhaust gas of an oxygen combustion boiler. To use an oxygen combustion boiler 1, an oxygen separator 6, a coal fuel feed apparatus 7, a steam turbine 2, a generator 3, denitrification equipment 10, a gas heat exchanger 11, a condensate cooler 12 for cooling exit gas of the gas heat exchanger with a condensate at an exit of a condenser which is a part of steam cycle water of the turbine, a dust collector 13, a desulfurizer 14, a cooling water-desalination apparatus 15, and a carbon dioxide liquefier 16, to utilize the characteristic that main components of exhaust gas of the oxygen combustion boiler 1 after combustion are carbon dioxide gas and steam, and to simultaneously capture moisture and carbon dioxide in the gas by cooling and compressing the exhaust gas.

Abstract: A boiler apparatus is provided that generates a heat source capable of efficiently regenerating absorbing liquid while maintaining steam turbine efficiency to a maximum extent.

Abstract: A fossil fuel combustion thermal power system including a carbon dioxide separation and capture unit comprising a fossil fuel combustion thermal power system including a boiler for burning fossil fuel and generating steam and a steam turbine including a high-pressure turbine driven by the steam generated by the boiler for generating power, and a carbon dioxide separation and capture unit.

Abstract: A gasification power generation system provided with a carbon dioxide separation and recovery device is disclosed. The system includes a carbon dioxide separation and recovery device having a shift reactor to convert carbon monoxide contained in fuel gas into carbon dioxide by mixing steam into the fuel gas containing carbon monoxide and hydrogen to cause a shift reaction; a carbon dioxide absorption tower to produce fuel gas from which carbon dioxide has been removed by allowing an absorption liquid to absorb carbon dioxide from the fuel gas containing carbon dioxide flowing down the shift reactor; an absorption liquid recycling device to recycle an absorption liquid by separating carbon dioxide absorbed by the absorption liquid in the carbon dioxide absorption tower; and a gasification power generation system.

Abstract: A combined cycle power plant includes a water treatment apparatus for removing iron oxides in condensate provided in a partial condensate flow line for selectively flowing a portion of the condensate into a condenser. The partial condensate flow line recirculates a portion of the condensate from and to the condenser through the condensate feed line connected to a boiler utilizing exhaust gas from a gas turbine. A heating apparatus heats the condensate to reduce the concentration of oxygen by deaeration, and a drum blow off water recovery line is connected to the boiler and to the condenser for blowing off part of the condensate in the boiler.