초록 ▼

A heating medium supply system is provided which is capable of sufficiently suppressing a temperature fluctuation of a heating medium, by the time when a heat exchanging device recovers heat of the heating medium, by leveling the temperature fluctuation fluctuating inevitably with time. The heating

A heating medium supply system is provided which is capable of sufficiently suppressing a temperature fluctuation of a heating medium, by the time when a heat exchanging device recovers heat of the heating medium, by leveling the temperature fluctuation fluctuating inevitably with time. The heating medium supply system includes: a heat collecting unit configured to heat a liquid heating medium by sunlight; a heat exchanging device configured to heat water supplied thereto by means of the heating medium supplied thereto from the heat collecting unit; heating medium supply piping for supplying the heating medium from the heat collecting unit to the heat exchanging device; and a heating medium heater for heating the heating medium and a temperature measuring device configured to measure a temperature of the heating medium, which are provided on the heating medium supply piping.

대표청구항 ▼

1. A heating medium supply system comprising: a heating system configured to heat a liquid heating medium by sunlight;a heat exchanging device configured to heat water supplied thereto by means of the heating medium supplied thereto from said heating system;a heating medium supply passage for supply

1. A heating medium supply system comprising: a heating system configured to heat a liquid heating medium by sunlight;a heat exchanging device configured to heat water supplied thereto by means of the heating medium supplied thereto from said heating system;a heating medium supply passage for supplying the heating medium from said heating system to said heat exchanging device; anda heater for heating the heating medium and a temperature measuring device configured to measure a temperature of the heating medium, which are provided on said heating medium supply passage,wherein the heating medium supply passage is provided with a temperature fluctuation suppressing device for suppressing a temperature fluctuation of the heating medium, the temperature fluctuation suppressing device being provided in a flow path of the heating medium, downstream in a heating medium flow direction of the heater on the heating medium supply passage;wherein the temperature fluctuation suppressing device has plural heating medium passages allowing the heating medium to pass therethrough, and an inlet and an outlet for the heating medium; whereby the heating medium flowing into said temperature fluctuation suppressing device from said heating medium supply passage through said inlet is allowed to pass through said plural heating medium passages at time-lags to form respective streams, which are then joined together before flowing out of said temperature fluctuation suppressing device into said heating medium supply passage through said outlet. 2. The heating medium supply system according to claim 1, wherein said heater is configured to operate so that the temperature of the heating medium to be measured by said temperature measuring device does not fall below a predetermined temperature. 3. A solar thermal electric power generation system comprising: a steam turbine;a heating medium supply system having a heat exchanging device for generating steam to be supplied to said steam turbine and configured to supply said heat exchanging device with a heating medium for heating water therein; anda steam supply passage for supplying steam from said heat exchanging device to said steam turbine, whereinsaid heating medium supply system is a heating medium supply system as recited in claim 1. 4. The solar thermal electric power generation system according to claim claim 3, further comprising: a gas turbine; and a waste heat recovery boiler configured to generate steam by utilizing waste heat of said gas turbine and supply steam thus generated to said steam turbine, wherein: said waste heat recovery boiler comprises an evaporating section having a steam drum and a superheating section; andsteam generated by heating of water supplied to said waste heat recovery boiler is supplied to said steam turbine. 5. The solar thermal electric power generation system according to claim 4, wherein said steam supply passage interconnects said heat exchanging device of said heating medium supply system and said steam drum to allow steam from said heat exchanging device and steam generated by said waste heat recovery boiler to be mixed together in said steam drum and then supplied to said steam turbine through said superheating section. 6. The solar thermal electric power generation system according to claim 4, wherein: said evaporating section and said superheating section are interconnected through a steam passage provided with a steam mixer; andsaid steam supply passage interconnects said heat exchanging device of said heating medium supply system and said steam mixer to allow steam from said heat exchanging device and steam generated by said waste heat recovery boiler to be mixed together in said steam mixer and then supplied to said steam turbine through said superheating section. 7. The solar thermal electric power generation system according to claim 5, wherein said superheating section is provided with a burner for heating steam. 8. The solar thermal electric power generation system according to claim 5, wherein: said steam supply passage is branched into a first steam passage connected to said waste heat recovery boiler and a second steam passage connected to said steam turbine without passing through said waste heat recovery boiler; andsaid second steam passage is provided with a superheating device for superheating steam. 9. An integrated solar combined cycle electric power generation system comprising: a steam turbine;a gas turbine;a waste heat recovery boiler configured to generate steam by utilizing waste heat of said gas turbine and supply steam thus generated to said steam turbine;a heating medium supply system having a heat exchanging device for generating steam to be supplied to said steam turbine and configured to supply said heat exchanging device with a heating medium for heating water therein;a steam supply passage for supplying steam from said heat exchanging device to said steam turbine; anda steam fluctuation suppressing device provided in a flow path of steam travelling in said steam supply passage for suppressing a fluctuation of steam condition, wherein:said steam fluctuation suppressing device has plural steam passages allowing steam to pass therethrough, and an inlet and an outlet for steam, whereby steam flowing into said steam fluctuation suppressing device from said steam supply passage through said inlet is allowed to pass through said plural steam passages at time-lags to form respective streams, which are then joined together before flowing out of said steam fluctuation suppressing device into said steam supply passage through said outlet; andsaid heating medium supply system further comprises a heating system configured to heat a liquid heating medium by sunlight, and a heating medium supply passage for supplying the heating medium from said heating system to said heat exchanging device. 10. The integrated solar combined cycle electric power generation system according to claim 9, wherein said heating medium supply system is a heating medium supply system comprising: a heating system configured to heat a liquid heating medium by sunlight;a heat exchanging device configured to heat water supplied thereto by means of the heating medium supplied thereto from said heating system;a heating medium supply passage for supplying the heating medium from said heating system to said heat exchanging device; anda heater for heating the heating medium and a temperature measuring device configured to measure a temperature of the heating medium, which are provided on said heating medium supply passage. 11. The integrated solar combined cycle electric power generation system according to claim 10, wherein: said waste heat recovery boiler comprises an evaporating section having a steam drum, and a superheating section;said steam supply passage interconnects said heat exchanging device of said heating medium supply system and said steam drum to allow steam from said heat exchanging device and steam generated by said waste heat recovery boiler to be mixed together in said steam drum and then supplied to said steam turbine. 12. The integrated solar combined cycle electric power generation system according to claim 10, wherein: said waste heat recovery boiler comprises an evaporating section having a steam drum, and a superheating section;said evaporating section and said superheating section are interconnected through a steam passage provided with a steam mixer; andsaid steam supply passage interconnects said heat exchanging device of said heating medium supply system and said steam mixer to allow steam from said heat exchanging device and steam generated by said waste heat recovery boiler to be mixed together in said steam mixer and then supplied to said steam turbine. 13. The integrated solar combined cycle electric power generation system according to claim 11, wherein said superheating section is provided with a burner for heating steam. 14. The integrated solar combined cycle electric power generation system according to claim 11, wherein: said steam supply passage is branched into a first steam passage connected to said waste heat recovery boiler and a second steam passage connected to said steam turbine without passing through said waste heat recovery boiler; andsaid second steam passage is provided with a superheating device for superheating steam. 15. A heating medium supply system comprising: a heating system configured to heat a liquid heating medium by sunlight;a heat exchanging device configured to heat water supplied thereto by means of the heating medium supplied thereto from the heating system;a heating medium supply passage for supplying the heating medium from the heating system to the heat exchanging device; anda heater for heating the heating medium and a temperature measuring device configured to measure a temperature of the heating medium, which are provided on the heating medium supply passage,wherein the heater has plural heating medium passages allowing the heating medium to pass therethrough, an inlet and an outlet for the heating medium, and heating means for heating the heating medium passing through the plural heating medium passages;whereby the heating medium flowing into the heater from the heating medium supply passage through the inlet is allowed to pass through the plural heating medium passages at time-lags to form respective streams, which are then joined together before flowing out of the heater into the heating medium supply passage through the outlet. 16. The heating medium supply system according to claim 15, wherein said heater is configured to operate so that the temperature of the heating medium to be measured by said temperature measuring device does not fall below a predetermined temperature. 17. A solar thermal electric power generation system comprising: a steam turbine;a heating medium supply system having a heat exchanging device for generating steam to be supplied to said steam turbine and configured to supply said heat exchanging device with a heating medium for heating water therein; anda steam supply passage for supplying steam from said heat exchanging device to said steam turbine, whereinsaid heating medium supply system is a heating medium supply system as recited in claim 15.