Patent Number: 055263860
Section: claims

1. A method for improving the operational characteristics of a nuclear power electric generation plant that comprises the steps of: (a) inserting into a downstream portion of main steam piping from a steam generator in said nuclear power plant a micro-jet mixer;  (b) supplying heat recovery boiler high pressure steam to said micro-jet mixer,  (c) directing said high pressure inlet mixed steam into a high pressure stage of a main turbine of said nuclear power electric plant, wherein work is extracted by said high pressure stage of said main turbine;  (d) directing a high pressure exhaust steam into a moisture separator reheater wherein said high pressure exhaust steam is mixed with a micro-jet exhaust steam wherein a moisture separator reheater discharge steam is formed that is further superheated;  (e) directing said moisture separator reheater discharge steam into a low pressure stage of the main turbine of said nuclear power electric generation plant;  whereby efficiency of said nuclear power electric generation plant is increased.  (a) a micro-jet mixer receiving main steam from a steam generator in said nuclear power plant;  (b) a heat recovery boiler providing high pressure steam to said micro-jet mixer wherein said high pressure steam is mixed with said main steam and forms a high pressure inlet mixed steam that is superheated;  (c) a high pressure stage of a main turbine of said nuclear power electric plant, wherein work is extracted from the high pressure inlet mixed steam leaving a high pressure exhaust steam;  (d) a moisture separator reheater wherein said high pressure exhaust steam is mixed with a micro-jet mixer exhaust steam forming a moisture separator discharge steam;  (e) a low pressure mixer superheater for mixing said moisture separator discharge steam with a heat recovery boiler low pressure steam forming low pressure mixer superheater discharge steam; and  (f) a low pressure stage of the main turbine of said nuclear power electric generation plant for receiving said low pressure mixer superheater discharge steam and extracting work therefrom.  (a) a mixer shell having a cross section and having an inlet chamber for receiving main steam, an outlet chamber, and at least one HRB steam inlet for receiving heat recovery boiler outlet steam,  (b) a perforated baffle located within said mixer shell having a plurality of micro-jets cuts therein, said micro-jets extending from an outer surface to an inner surface,  wherein said heat recovery boiler outlet steam flowing along said outer surface, and said main steam flowing along said inner surface, wherein when said heat recovery boiler outlet steam exits said micro-jets and enters said main steam a combined flow is formed;  (c) a slotted baffle located within said perforated baffle having a interior end and an attaching end,  (d) an exit chamber located within said slotted baffle having a mixer end, a discharge end, and a chamber region,  said mixed flow directed to said mixer end thereby forming a high pressure mixed steam, which is directed to a main steam piping;  wherein said high pressure mixed steam is directed to the high pressure inlet of said main turbine.  (a) inserting into a downstream portion of main steam piping from a steam generator in said nuclear power plant a high pressure mixer superheater;  (b) supplying heat recovery boiler high pressure steam to said high pressure mixer superheater,  (c) directing said superheated main steam into a high pressure stage of a main turbine of said nuclear power electric plant, wherein work is extracted by said high pressure stage of said main turbine;  (d) directing a high pressure exhaust steam into a moisture separator reheater then entering a low pressure mixer where the separated high pressure exhaust steam is mixed with steam from a low pressure heat recovery boiler; and  (e) directing said moisture separator reheater steam to a low pressure stage of the main turbine, wherein further work is extracted by said low pressure stage of said main turbine and efficiency of said nuclear power electric generation plant is increased.  (a) inserting into a downstream portion of main steam piping from a steam generator in said nuclear power plant, a high pressure mixer superheater,  (b) directing said high pressure exhaust steam and said high pressure mixture superheater outlet steam into a moisture separator reheater thereby forming a moisture separator discharge steam;  (c) combining said moisture separator discharge steam with a low pressure heat recovery boiler discharge steam, in a low pressure mixer superheater forming a low pressure mixer superheater discharge steam;  (d) said low pressure heat recovery boiler discharge steam being formed by,  whereby efficiency of said nuclear power electric generation plant is increased.  (a) inserting into a downstream portion of main steam piping from a steam generator, in said nuclear power plant, a micro-jet mixer;  (b) supplying heat recovery boiler high pressure steam to said micro-jet mixer,  (c) directing said high pressure inlet mixed steam into a high pressure stage of a main turbine of said nuclear power electric plant, wherein work is extracted by said a high pressure stage of said main turbine;  (d) directing a high pressure exhaust steam into a moisture separator reheater where said high pressure exhaust steam is mixed with a micro-jet mixer exhaust steam wherein a moisture separator discharge steam is formed;  (e) directing said moisture discharge steam to a low pressure mixer superheater where it is mixed with heat recovery boiler low pressure steam forming low pressure mixer superheater discharge steam;  (f) directing said low pressure mixer superheater discharge steam into a low pressure stage of the main turbine of said nuclear power electric generation plant;  whereby efficiency of said nuclear power electric generation plant is increased. 2. An apparatus for improving the operational characteristics of a nuclear power electric generation plant comprising: 3. The apparatus as recited in claim 2 wherein the micro-jet mixer comprises: 4. The apparatus in claim 3 wherein the cross-section is substantially circular in shape. 5. The apparatus in claim 3 wherein the cross-section is substantially in the shape of a regular polygon. 6. The apparatus in claim 3 having a plurality of slotted baffles. 7. The apparatus in claim 3 having a plurality of perforated baffles. 8. The apparatus in claim 3 wherein a plurality of exit chambers are used. 9. The apparatus in claim 3 wherein the mixer end of the exit chamber comprises a mixer assembly. 10. The apparatus in claim 8 wherein a mixer assembly is constructed of honeycomb mixing material. 11. The apparatus in claim 8 wherein the mixer assembly is a vortex mixer. 12. The apparatus in claim 3 wherein the micro-jets have a diameter from 10-20 mm. 13. The apparatus in claim 3 wherein the micro-jets are nozzle shaped with a nozzle inlet and a nozzle outlet. 14. The apparatus in claim 13 wherein the nozzle inlet is larger than the nozzle outlet. 15. The apparatus in claim 3 wherein the baffle-slots are rectangular slots of 5 cm in width and 10 cm in length. 16. The apparatus in claim 3 wherein the baffle-slots are ellipsoid in shape with the major axis being 12 cm and the minor axis being 6 cm in length. 17. A method for improving the operational characteristics of a nuclear power electric generation plant that comprises the steps of: 18. A method for improving the operational characteristics of a nuclear power electric generation plant that comprises the steps of: 19. A method for improving the operational characteristics of a nuclear power electric generation plant that comprises the steps of: 20. The method in claim 1 wherein said chemically fueled means is a turbine that drives a generator that supplies electricity. 21. The method in claim 20 wherein said turbine is a gas driven turbine. 22. The method in claim 20 wherein said turbine is a fossil fueled turbine. 23. The method in claim 1 wherein a high pressure stage exhaust steam is mixed with a second heat recovery boiler high pressure steam to form the low pressure mixer superheater discharge steam. 24. The method in claim 1 wherein a high pressure stage exhaust steam is mixed with heat recovery boiler low pressure steam to form the low pressure mixer superheater discharge steam.