초록 ▼

A temperature fluctuation suppressing device for a heating medium is provided which is capable of sufficiently suppressing temperature fluctuations of the heating medium at the time of supplying collected solar heat for steam generation. The temperature fluctuation suppressing device includes a heat

A temperature fluctuation suppressing device for a heating medium is provided which is capable of sufficiently suppressing temperature fluctuations of the heating medium at the time of supplying collected solar heat for steam generation. The temperature fluctuation suppressing device includes a heating medium mixer provided on a heating medium supply passage configured to supply a liquid heating medium to a heat exchanging device, the heating medium mixer including: a heating medium passage forming member having plural heating medium passages; an inlet member and an outlet member provided separately from the inlet member, whereby the heating medium continuously flowing into the heating medium passage forming member through the inlet member passes through the plural heating medium passages with time-lags to form respective streams, which are then joined together before flowing out through the outlet member.

대표청구항 ▼

1. A temperature fluctuation suppressing device for a heating medium provided on a heating medium supply passage for supplying a liquid heating medium to a heat exchanging device, which comprises a heating medium mixer for mixing the heating medium, said heating medium mixer comprising: a heating me

1. A temperature fluctuation suppressing device for a heating medium provided on a heating medium supply passage for supplying a liquid heating medium to a heat exchanging device, which comprises a heating medium mixer for mixing the heating medium, said heating medium mixer comprising: a heating medium passage forming member having plural heating medium passages;an inlet member allowing the heating medium to flow into said heating medium passage forming member from said heating medium supply passage; andan outlet member allowing the heating medium to flow out of said heating medium passage forming member to said heating medium supply passage, said outlet member being provided separately from said inlet member,whereby the heating medium continuously flowing into said heating medium passage forming member through said inlet member passes through said plural heating medium passages with time-lags to form respective streams, which are then joined together before flowing out through said outlet member, wherein:said heating medium passage forming member comprises a first container defining therein plural cells each forming a respective one of said heating medium passages;each of said cells has an inlet and an outlet for the heating medium;said inlet member comprises branch portions branched off from said heating medium supply passage which are each connected to a respective one of said inlets of said cells;said outlet member unifies said outlets of said cells and is connected to said heating medium supply passage; andsaid branch portions of said inlet member are each provided with a flow control device which is capable of adjusting a flow rate of the heating medium. 2. The temperature fluctuation suppressing device for the heating medium according to claim 1, wherein said outlet for the heating medium is formed at a location offset from an extension of a central axis of said inlet. 3. The temperature fluctuation suppressing device for the heating medium according to claim 1, wherein said inlet for the heating medium is provided with a heating medium introducing device, said heating medium introducing device being configured to adjust an inflow angle of the heating medium flowing into an associated one of the passages formed by the heating medium passage forming member. 4. The temperature fluctuation suppressing device for the heating medium according to claim 3, wherein said heating medium introducing device has an adjustable louver comprising at least one louver pivotally mounted to allow an angle of inclination thereof to be adjusted from the outside. 5. The temperature fluctuation suppressing device for the heating medium according to claim 1, wherein said heating medium mixer is provided therein with a stirring device for stirring the heating medium. 6. The temperature fluctuation suppressing device for the heating medium according to claim 1, further comprising: an inlet temperature measuring device provided on one of said inlet member and a heating medium supply passage connected to said inlet members for measuring an inlet temperature of the heating medium; andan outlet temperature measuring device provided on one of said outlet members and a heating medium supply passage connected to said outlet member for measuring an outlet temperature of the heating medium. 7. The temperature fluctuation suppressing device for the heating medium according to claim 6, further comprising a control device configured to perform a comparison between temperature fluctuation of the heating medium flowing into said heating medium passage forming member and temperature fluctuation of the heating medium flowing out of said heating medium passage forming member based on values measured by said inlet temperature measuring device and said outlet temperature measuring device, respectively, and perform control so as to adjust a flow rate of the heating medium flowing into said heating medium passage forming member based on a result of the comparison. 8. The temperature fluctuation suppressing device for the heating medium according to claim 6, further comprising a control device configured to perform a comparison between temperature fluctuation of the heating medium flowing into said heating medium passage forming member and temperature fluctuation of the heating medium flowing out of said heating medium passage forming member based on values measured by said inlet temperature measuring device and said outlet temperature measuring device, respectively, and perform control so as to adjust an inflow direction of the heating medium flowing into said heating medium passage forming member based on a result of the comparison. 9. 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 feeding the heating medium from said heating system to said heat exchanging device; anda temperature fluctuation suppressing device provided on said heating medium supply passage for suppressing temperature fluctuation of the heating medium,said temperature fluctuation suppressing device being a temperature fluctuation suppressing device for the heating medium as recited in claim 1. 10. The heating medium supply system according to claim 9, further comprising: an outlet passage connecting an outlet member of a heating medium mixer provided in said temperature fluctuation suppressing device for the heating medium to said heating medium supply passage;an upstream side inlet passage connecting an inlet member of said heating medium mixer to a portion of said heating medium supply passage located upstream of a joint between said outlet passage and said heating medium supply passage; anda heating medium feeding device provided on said upstream side inlet passage for feeding the heating medium with a pressure toward said heating medium mixer. 11. The heating medium supply system according to claim 9, further comprising: an outlet passage connecting an outlet member of a heating medium mixer provided in said temperature fluctuation suppressing device for the heating medium to said heating medium supply passage;a downstream side inlet passage connecting an inlet member of said heating medium mixer to a portion of said heating medium supply passage located downstream of a joint between said outlet passage and said heating medium supply passage; anda heating medium feeding device provided on said downstream side inlet passage for feeding the heating medium with a pressure toward said heating medium mixer. 12. The heating medium supply system according to claim 9, further comprising: an outlet passage connecting an outlet member of a heating medium mixer provided in said temperature fluctuation suppressing device for the heating medium to said heating medium supply passage;an upstream side inlet passage connecting an inlet member of said heating medium mixer to a portion of said heating medium supply passage located upstream of a joint between said outlet passage and said heating medium supply passage;a downstream side inlet passage connecting said inlet member of said heating medium mixer to a portion of said heating medium supply passage located downstream of said joint between said outlet passage and said heating medium supply passage; anda heating medium feeding device provided on each of said upstream side inlet passage and said downstream side inlet passage for feeding the heating medium with a pressure toward said heating medium mixer. 13. The heating medium supply system according to claim 9, further comprising: an outlet passage connecting an outlet member of a heating medium mixer provided in said temperature fluctuation suppressing device for the heating medium to said heating medium supply passage;an upstream side inlet passage connecting an inlet member of said heating medium mixer to a portion of said heating medium supply passage located upstream of a joint between said outlet passage and said heating medium supply passage;a return passage connecting a portion of said heating medium supply passage located downstream of said joint between said outlet passage and said heating medium supply passage to a portion of said heating medium supply passage located upstream of said joint between said upstream side inlet passage and said heating medium supply passage;a heating medium feeding device provided on said upstream side inlet passage for feeding the heating medium with a pressure toward said heating medium mixer; anda heating medium feeding device provided on said return passage for feeding the heating medium with a pressure toward an upstream side portion of said heating medium supply passage. 14. The heating medium supply system according to claim 9, wherein a heating medium mixer provided in said temperature fluctuation suppressing device for the heating medium has two inlet members, one of which is connected to an upstream side portion of said heating medium supply passage, and an outlet member connected to a downstream side portion of said heating medium supply passage, the heating medium supply system further comprising: a return passage connecting the other inlet member of said heating medium mixer to said downstream side portion of said heating medium supply passage; anda heating medium feeding device provided on said return passage for feeding the heating medium with a pressure toward said heating medium mixer. 15. The heating medium supply system according to claim 9, wherein a heating medium mixer provided in said temperature fluctuation suppressing device for the heating medium has an outlet member connected to a downstream side portion of said heating medium supply passage, and an inlet member connected to an upstream side portion of said heating medium supply passage, the heating medium supply system further comprising: a return passage connecting said upstream side portion of said heating medium supply passage located upstream of said heating medium mixer to said downstream side portion of said heating medium supply passage located downstream of said heating medium mixer; anda heating medium feeding device provided on said return passage for feeding the heating medium with a pressure from the downstream side to the upstream side of said heating medium supply passage. 16. The heating medium supply system according to claim 9, wherein: said heating system has plural heat collecting zones each provided with a heat collecting unit for heating the heating medium by sunlight collected; andsaid plural heat collecting zones are each connected to a respective one of heating medium passages formed by a heating medium passage forming member of said temperature fluctuation suppressing device through a respective one of plural heating medium supply passages so as to supply the liquid heating medium from one heat collecting zone to one heating medium passage. 17. A solar thermal electric power generation system comprising: a steam turbine; anda heating medium supply system configured to supply a heating medium for heating water to generate steam to be supplied to said steam turbine, whereinsaid heating medium supply system is a heating medium system as recited in claim 9 and is configured to supply steam generated by a heat exchanging device included in said heating medium supply system to said steam turbine. 18. The solar thermal electric power generation system according to claim 17, further comprising: a gas turbine; anda waste heat recovery boiler utilizing waste heat of said gas turbine, whereinsteam generated by said waste heat recovery boiler is supplied to said steam turbine. 19. A temperature fluctuation suppressing device for a heating medium provided on a heating medium supply passage for supplying a liquid heating medium to a heat exchanging device, which comprises a heating medium mixer for mixing the heating medium, said heating medium mixer comprising: a heating medium passage forming member having plural heating medium passages;an inlet member allowing the heating medium to flow into said heating medium passage forming member from said heating medium supply passage; andan outlet member allowing the heating medium to flow out of said heating medium passage forming member to said heating medium supply passage, said outlet member being provided separately from said inlet member,whereby the heating medium continuously flowing into said heating medium passage forming member through said inlet member passes through said plural heating medium passages with time-lags to form respective streams, which are then joined together before flowing out through said outlet member, wherein:said heating medium passage forming member comprises a first container defining therein plural cells forming a respective one of said heating medium passages;each of said cells has an inlet and an outlet for the heating medium;said inlet member comprises branch portions branched off from said heating medium supply passage which are each connected to a respective one of said inlets of said cells;said outlet member unifies said outlets of said cells and is connected to said heating medium supply passage; andsaid plural cells are formed to have different kinds of volume. 20. The temperature fluctuation suppressing device for the heating medium according to claim 19, wherein said outlet for the heating medium is formed at a location offset from an extension of a central axis of said inlet. 21. The temperature fluctuation suppressing device for the heating medium according to claim 19, wherein said inlet for the heating medium is provided with a heating medium introducing device, said heating medium introducing device being configured to adjust an inflow angle of the heating medium flowing into an associated one of the passages formed by the heating medium passage forming member. 22. A temperature fluctuation suppressing device for a heating medium provided on a heating medium supply passage for supplying a liquid heating medium to a heat exchanging device, which comprises a heating medium mixer for mixing the heating medium, said heating medium mixer comprising: a heating medium passage forming member having plural heating medium passages;an inlet member allowing the heating medium to flow into said heating medium passage forming member from said heating medium supply passage; andan outlet member allowing the heating medium to flow out of said heating medium passage forming member to said heating medium supply passage, said outlet member being provided separately from said inlet member,whereby the heating medium continuously flowing into said heating medium passage forming member through said inlet member passes through said plural heating medium passages with time-lags to form respective streams, which are then joined together before flowing out through said outlet member, wherein:said heating medium passage forming member comprises plural second containers each forming a respective one of said heating medium passages;each of said second containers has an inlet and an outlet for the heating medium;said inlet member comprises branch portions branched off from said heating medium supply passage which are each connected to a respective one of said inlets of said second containers;said outlet member unifies said outlets of said second containers and is connected to said heating medium supply passage; andsaid branch portions of said inlet member are each provided with a flow control device which is capable of adjusting a flow rate of the heating medium. 23. A temperature fluctuation suppressing device for a heating medium provided on a heating medium supply passage for supplying a liquid heating medium to a heat exchanging device, which comprises a heating medium mixer for mixing the heating medium, said heating medium mixer comprising: a heating medium passage forming member having plural heating medium passages;an inlet member allowing the heating medium to flow into said heating medium passage forming member from said heating medium supply passage; andan outlet member allowing the heating medium to flow out of said heating medium passage forming member to said heating medium supply passage, said outlet member being provided separately from said inlet member,whereby the heating medium continuously flowing into said heating medium passage forming member through said inlet member passes through said plural heating medium passages with time-lags to form respective streams, which are then joined together before flowing out through said outlet member, wherein:said heating medium passage forming member comprises plural second containers each forming a respective one of said heating medium passages;each of said second containers has an inlet and an outlet for the heating medium;said inlet member comprises branch portions branched off from said heating medium supply passage which are each connected to a respective one of said inlets of said second containers;said outlet member unifies said outlets of said second containers and is connected to said heating medium supply passage; andsaid plural second containers are formed to have different kinds of volume. 24. A temperature fluctuation suppressing device for a heating medium provided on a heating medium supply passage for supplying a liquid heating medium to a heat exchanging device, which comprises a heating medium mixer for mixing the heating medium, said heating medium mixer comprising: a heating medium passage forming member having plural heating medium passages;an inlet member allowing the heating medium to flow into said heating medium passage forming member from said heating medium supply passage; andan outlet member allowing the heating medium to flow out of said heating medium passage forming member to said heating medium supply passage, said outlet member being provided separately from said inlet member,whereby the heating medium continuously flowing into said heating medium passage forming member through said inlet member passes through said plural heating medium passages with time-lags to form respective streams, which are then joined together before flowing out through said outlet member, wherein:said heating medium passage forming member comprises a container provided therein with a perforated plate having multiple perforations each forming a respective one of said heating medium passages;said container is provided with said inlet member and said outlet member;said perforated plate is positioned to partition an internal space of said container into a space on an inlet member side and a space on an outlet member side; andsaid perforations are formed over the perforated plate except a region of said perforated plate including a portion of said perforated plate intersecting a central axis of a heating medium flow passage defined by said inlet member to extend inwardly of said container and a region around said portion. 25. The temperature fluctuation suppressing device for the heating medium according to claim 24, wherein said perforated plate comprises a plurality of such perforated plates spaced from each other. 26. The temperature fluctuation suppressing device for the heating medium according to claim 24 wherein a heating medium introducing device is provided on one of said inlet member and a portion of said container lying adjacent to said inlet member, said heating medium introducing device being configured to adjust an inflow angle of the heating medium flowing into said container. 27. The temperature fluctuation suppressing device for the heating medium according to claim 24, wherein said inlet member comprises a plurality of such inlet members to allow selection of one of the inlet members to be made switchingly for the heating medium to flow into said container therethrough. 28. The temperature fluctuation suppressing device for the heating medium according to claim 27, wherein said outlet member comprises a plurality of such outlet members to allow selection of one of the outlet members to be made switchingly in synchronism with switching between said inlet members for the heating medium to flow out of said container therethrough. 29. The temperature fluctuation suppressing device for the heating medium according to claim 24 wherein said inlet member comprises a plurality of such inlet members each provided with a flow control device for adjusting a flow rate of the heating medium passing through an associated one of said inlet members.