CN118242156A - Nuclear energy type multifunctional single-working-medium combined cycle steam power device - Google Patents

Abstract

The invention provides a nuclear energy type multifunctional single-working-medium-carrying combined cycle steam power device, and belongs to the technical field of thermodynamics and thermal dynamics. The outside has fuel channel to communicate the heating furnace, the outside has air channel to communicate the heating furnace through the heat source regenerator, the heating furnace has fuel gas channel to communicate the outside through the heat source regenerator, the compressor has first steam channel to communicate with evaporator through regenerator and second expander, the compressor has second steam channel to communicate with heat source heat exchanger, the condenser is communicated with heat source heat exchanger through booster pump and evaporator, the heat source heat exchanger has steam channel to communicate with evaporator through second compressor, heating furnace, nuclear reactor, expander and regenerator, the evaporator has low-pressure steam channel to communicate with compressor and condenser separately; the condenser is provided with a cooling medium channel, the heat source heat exchanger is provided with a heat source medium channel which is respectively communicated with the outside, and the expander is connected with the compressor and the second compressor and transmits power to form the nuclear energy type multi-energy carrying single-working-medium combined cycle steam power device.

Description

Nuclear energy type multifunctional single-working-medium combined cycle steam power device

Technical field:

the invention belongs to the technical field of thermodynamics and thermal dynamics.

The background technology is as follows:

The heat work can be realized by nuclear energy, fuel, light and heat, and conventional heat resources represented by industrial waste heat and geothermal heat; different system devices are constructed by adopting the same or different thermal power principles, and corresponding construction cost is paid, so that nuclear energy, fuel, photo-thermal or conventional heat resources are converted into mechanical energy; therefore, it is of positive significance to try to reduce the number of thermal power devices.

The method is limited by factors such as working principle, working medium property, material property, safety and the like, and has irreversible temperature difference loss in the nuclear power application process, irreversible temperature difference loss in the fuel combustion process and irreversible temperature difference loss in the photo-thermal power application process; the heat efficiency of the conventional heat resource represented by industrial waste heat and geothermal heat is improved.

In order to increase the thermal efficiency, it is necessary to bring the circulating medium to as high a temperature as possible after the high-temperature load is obtained; however, at this time, the temperature of the circulating working medium discharged by the high-temperature expander is increased, the heat discharge is increased, and the heat transfer temperature difference loss in the thermodynamic system is increased, which has an adverse effect on the improvement of the heat-variable work efficiency.

The invention provides a nuclear energy type multi-energy carrying single-working-medium combined cycle steam power device which is characterized in that the principle of simply, actively, safely and efficiently utilizing energy to obtain power is adopted, the cascade carrying and the same of nuclear energy, fuel and conventional heat resources or between nuclear energy, fuel and photo-heat are realized, the connection between fuel and conventional heat resources or between fuel and photo-heat is flexible, the flow is reasonable, the structure is simple, the systematic temperature difference irreversible loss of a thermal power device is small, and the reasonable thermodynamic perfection and the high cost performance are realized.

The invention comprises the following steps:

The invention mainly aims to provide a nuclear energy type multifunctional single-working-medium combined cycle steam power device, and the specific invention is described as follows:

1. The nuclear energy type multifunctional single-working-medium-carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a heating furnace, a heat source regenerator and a nuclear reactor; the outside is provided with a fuel channel which is communicated with a heating furnace, the outside is also provided with an air channel which is communicated with the heating furnace through a heat source regenerator, the heating furnace is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator, the compressor is provided with a first steam channel which is communicated with a second expander through the regenerator, the second expander is also provided with a low-pressure steam channel which is communicated with an evaporator, the compressor is also provided with a second steam channel which is communicated with a heat source heat exchanger, the condenser is provided with a condensate pipeline which is communicated with the evaporator through a booster pump, the evaporator is also provided with a steam channel which is communicated with the heat source heat exchanger, the heat source heat exchanger is also provided with a steam channel which is communicated with a nuclear reactor through the second compressor and the heating furnace, the expander is also provided with a low-pressure steam channel which is communicated with the evaporator through the regenerator, and the evaporator is also provided with a low-pressure steam channel which is divided into two paths, namely a first path which is communicated with the compressor and a second path which is communicated with the condenser; the condenser is also provided with a cooling medium channel which is communicated with the outside, the heat source heat exchanger is also provided with a heat source medium channel which is communicated with the outside, the evaporator or the heat source medium channel is also communicated with the outside, and the expander is connected with the compressor and the second compressor and transmits power to form a nuclear energy type multi-functional single-working-medium combined cycle steam power device; wherein, or the expander is connected with the compressor, the booster pump and the second compressor and transmits power.

2. The nuclear energy type multifunctional single-working-medium-carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a heating furnace, a heat source regenerator and a nuclear reactor; the outside is provided with a fuel channel which is communicated with a heating furnace, the outside is also provided with an air channel which is communicated with the heating furnace through a heat source regenerator, the heating furnace is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator, the compressor is provided with a first steam channel which is communicated with a second expander through the regenerator, the second expander is also provided with a low-pressure steam channel which is communicated with an evaporator, the compressor is also provided with a second steam channel which is communicated with a heat source heat exchanger, the condenser is provided with a condensate pipeline which is communicated with the evaporator through a booster pump, the evaporator is further provided with a steam channel which is communicated with a heat source heat exchanger, the heat source heat exchanger is also provided with a steam channel which is communicated with a nuclear reactor through the second compressor, the expander is also provided with a steam channel which is communicated with the evaporator after being communicated with the expander through the regenerator, and the evaporator is also provided with a low-pressure steam channel which is divided into two paths, namely the first path which is communicated with the compressor and the second path which is communicated with the condenser; the condenser is also provided with a cooling medium channel which is communicated with the outside, the heat source heat exchanger is also provided with a heat source medium channel which is communicated with the outside, the evaporator or the heat source medium channel is also communicated with the outside, and the expander is connected with the compressor and the second compressor and transmits power to form a nuclear energy type multi-functional single-working-medium combined cycle steam power device; wherein, or the expander is connected with the compressor, the booster pump and the second compressor and transmits power.

3. The nuclear energy type multifunctional single-working-medium-carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a heating furnace, a heat source heat regenerator, a nuclear reactor and a second heat regenerator; the outside has fuel channel and heating furnace to communicate, the outside has air channel and heating furnace to communicate through the heat source regenerator, the heating furnace has fuel gas channel and outside to communicate through the heat source regenerator, the compressor has first steam channel and second expander to communicate through the regenerator, the second expander has low-pressure steam channel and evaporator to communicate, the compressor has second steam channel and heat source heat exchanger to communicate, the condenser has condensate pipeline and evaporator to communicate with heat source heat exchanger through the booster pump, the evaporator has steam channel and heat source heat exchanger again after the evaporator communicates, the heat source heat exchanger has steam channel and nuclear reactor to communicate through the second compressor, second regenerator and heating furnace, the nuclear reactor has steam channel and expander to communicate, the expander has low-pressure steam channel and evaporator to communicate through the second regenerator and regenerator, the evaporator has low-pressure steam channel to divide into two-first way and compressor to communicate and second way and condenser to communicate; the condenser is also provided with a cooling medium channel which is communicated with the outside, the heat source heat exchanger is also provided with a heat source medium channel which is communicated with the outside, the evaporator or the heat source medium channel is also communicated with the outside, and the expander is connected with the compressor and the second compressor and transmits power to form a nuclear energy type multi-functional single-working-medium combined cycle steam power device; wherein, or the expander is connected with the compressor, the booster pump and the second compressor and transmits power.

4. The nuclear energy type multifunctional single-working-medium-carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a heating furnace, a heat source heat regenerator, a nuclear reactor and a second heat regenerator: the outside has fuel channel and heating furnace to communicate, the outside has air channel and heating furnace to communicate through the heat source regenerator, the heating furnace has fuel gas channel and outside to communicate through the heat source regenerator, the compressor has first steam channel and second expander to communicate through the regenerator, the second expander has low-pressure steam channel and evaporator to communicate, the compressor has second steam channel and heat source heat exchanger to communicate, the condenser has condensate pipeline and evaporator to communicate with heat source heat exchanger through the booster pump, the evaporator has steam channel and heat source heat exchanger again after the evaporator communicates, the heat source heat exchanger has steam channel and nuclear reactor to communicate through the second regenerator, second compressor and heating furnace, the nuclear reactor has steam channel and expander to communicate, the expander has low-pressure steam channel to communicate with evaporator through second regenerator and regenerator, the evaporator has low-pressure steam channel to divide into two-first way and compressor to communicate and second way and condenser to communicate; the condenser is also provided with a cooling medium channel which is communicated with the outside, the heat source heat exchanger is also provided with a heat source medium channel which is communicated with the outside, the evaporator or the heat source medium channel is also communicated with the outside, and the expander is connected with the compressor and the second compressor and transmits power to form a nuclear energy type multi-functional single-working-medium combined cycle steam power device; wherein, or the expander is connected with the compressor, the booster pump and the second compressor and transmits power.

5. The nuclear energy type multifunctional single-working-medium-carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a heating furnace, a heat source heat regenerator, a nuclear reactor and a second heat regenerator; the outside is provided with a fuel channel which is communicated with the heating furnace, the outside is also provided with an air channel which is communicated with the heating furnace through a heat source regenerator, the heating furnace is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator, the compressor is provided with a first steam channel which is communicated with the second expander through the regenerator, the second expander is also provided with a low-pressure steam channel which is communicated with the evaporator, the compressor is also provided with a second steam channel which is communicated with the heat source heat exchanger through the second regenerator, the condenser is provided with a condensate pipeline which is communicated with the evaporator through a booster pump, the evaporator is further provided with a steam channel which is communicated with the heat source heat exchanger through the second regenerator, the heat source heat exchanger is also provided with a steam channel which is communicated with the nuclear reactor through the second compressor and the heating furnace, the nuclear reactor is also provided with the steam channel which is communicated with the expander, the expander is also provided with a low-pressure steam channel which is divided into two paths, namely, the first path is communicated with the compressor and the second path is communicated with the condenser; the condenser is also provided with a cooling medium channel which is communicated with the outside, the heat source heat exchanger is also provided with a heat source medium channel which is communicated with the outside, the evaporator or the heat source medium channel is also communicated with the outside, and the expander is connected with the compressor and the second compressor and transmits power to form a nuclear energy type multi-functional single-working-medium combined cycle steam power device; wherein, or the expander is connected with the compressor, the booster pump and the second compressor and transmits power.

6. The nuclear energy type multifunctional single-working-medium-carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a heating furnace, a heat source heat regenerator, a nuclear reactor and a second heat regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace, the outside is also provided with an air channel which is communicated with the heating furnace through a heat source regenerator, the heating furnace is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator, the compressor is provided with a first steam channel which is communicated with a second expander through the regenerator, the second expander is also provided with a low-pressure steam channel which is communicated with an evaporator, the compressor is also provided with a second steam channel which is communicated with a heat source heat exchanger, the evaporator is further provided with a condensate pipeline which is communicated with the evaporator through a booster pump, the evaporator is further provided with a steam channel which is communicated with the heat source heat exchanger, the heat source heat exchanger is also provided with a steam channel which is communicated with a nuclear reactor through the second compressor, the second regenerator and the heating furnace, the expander is also provided with a steam channel which is communicated with the expander through the second regenerator, and the expander is further provided with a low-pressure steam channel which is communicated with the evaporator through the regenerator, and the evaporator is further provided with the low-pressure steam channel which is divided into two paths, namely the first path which is communicated with the compressor and the second path which is communicated with the condenser; the condenser is also provided with a cooling medium channel which is communicated with the outside, the heat source heat exchanger is also provided with a heat source medium channel which is communicated with the outside, the evaporator or the heat source medium channel is also communicated with the outside, and the expander is connected with the compressor and the second compressor and transmits power to form a nuclear energy type multi-functional single-working-medium combined cycle steam power device; wherein, or the expander is connected with the compressor, the booster pump and the second compressor and transmits power.

7. The nuclear energy type multifunctional single-working-medium-carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a heating furnace, a heat source heat regenerator, a nuclear reactor and a second heat regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace, the outside is also provided with an air channel which is communicated with the heating furnace through a heat source regenerator, the heating furnace is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator, the compressor is provided with a first steam channel which is communicated with a second expander through the regenerator, the second expander is also provided with a low-pressure steam channel which is communicated with an evaporator, the compressor is also provided with a second steam channel which is communicated with a heat source heat exchanger, the evaporator is further provided with a condensate pipeline which is communicated with the evaporator through a booster pump, the heat source heat exchanger is also provided with a steam channel which is communicated with a heat source heat exchanger, the nuclear reactor is also provided with a steam channel which is communicated with an expander through the second regenerator, the expander is also provided with a low-pressure steam channel which is communicated with the evaporator through the regenerator, and the evaporator is also provided with a low-pressure steam channel which is divided into two paths, namely the first path which is communicated with the compressor and the second path which is communicated with the condenser; the condenser is also provided with a cooling medium channel which is communicated with the outside, the heat source heat exchanger is also provided with a heat source medium channel which is communicated with the outside, the evaporator or the heat source medium channel is also communicated with the outside, and the expander is connected with the compressor and the second compressor and transmits power to form a nuclear energy type multi-functional single-working-medium combined cycle steam power device; wherein, or the expander is connected with the compressor, the booster pump and the second compressor and transmits power.

8. The nuclear energy type multifunctional single-working-medium-carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a heating furnace, a heat source heat regenerator, a nuclear reactor and a second heat regenerator; the outside is provided with a fuel channel which is communicated with the heating furnace, the outside is also provided with an air channel which is communicated with the heating furnace through a heat source regenerator, the heating furnace is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator, the compressor is provided with a first steam channel which is communicated with the second expander through the regenerator, the second expander is also provided with a low-pressure steam channel which is communicated with the evaporator, the compressor is also provided with a second steam channel which is communicated with the heat source heat exchanger through the second regenerator, the condenser is provided with a condensate pipeline which is communicated with the evaporator through a booster pump, the evaporator is further provided with a steam channel which is communicated with the heat source heat exchanger through the second regenerator, the heat source heat exchanger is also provided with a steam channel which is communicated with the nuclear reactor through the second compressor and the heating furnace, the nuclear reactor is also provided with the steam channel which is communicated with the expander, and the evaporator is further provided with a low-pressure steam channel which is communicated with the evaporator through the regenerator after the second regenerator is communicated with the second regenerator, and the low-pressure steam channel is divided into two paths, namely the first path is communicated with the compressor and the second path is communicated with the condenser; the condenser is also provided with a cooling medium channel which is communicated with the outside, the heat source heat exchanger is also provided with a heat source medium channel which is communicated with the outside, the evaporator or the heat source medium channel is also communicated with the outside, and the expander is connected with the compressor and the second compressor and transmits power to form a nuclear energy type multi-functional single-working-medium combined cycle steam power device; wherein, or the expander is connected with the compressor, the booster pump and the second compressor and transmits power.

9. The nuclear energy type multifunctional single-medium combined cycle steam power device is characterized in that in the nuclear energy type multifunctional single-medium combined cycle steam power device in the 3 rd or 6 th, a second compressor with a steam channel is communicated with a heating furnace through a second heat regenerator, and is adjusted to be communicated with the heating furnace after the second compressor with the steam channel is communicated with the heating furnace through the second heat regenerator, so that the nuclear energy type multifunctional single-medium combined cycle steam power device is formed.

10. The nuclear energy type multifunctional single-medium combined cycle steam power device is characterized in that a second booster pump and a low-temperature heat regenerator are added in any one of the nuclear energy type multifunctional single-medium combined cycle steam power devices in 1-9, a condenser condensate pipe is communicated with the booster pump, the condenser condensate pipe is communicated with the low-temperature heat regenerator through the second booster pump, a steam extraction channel is additionally arranged in the compressor and is communicated with the low-temperature heat regenerator, and the low-temperature heat regenerator is further communicated with the condensate pipe and the booster pump, so that the nuclear energy type multifunctional single-medium combined cycle steam power device is formed.

11. The nuclear energy type multi-energy single-working-medium combined cycle steam power device is characterized in that in any one of the nuclear energy type multi-energy single-working-medium combined cycle steam power devices 1 and 3-9, a second evaporator and a diffusion pipe are added, the communication between a low-pressure steam channel of a regenerator and the evaporator is adjusted to be that the low-pressure steam channel of the regenerator is communicated with the second evaporator through the evaporator, the communication between the low-pressure steam channel of the second expander and the evaporator is adjusted to be that the low-pressure steam channel of the second expander is communicated with the second evaporator through the evaporator, the communication between the low-pressure steam channel of the evaporator and the compressor respectively and the condenser is adjusted to be that the low-pressure steam channel of the second evaporator is respectively communicated with the compressor and the condenser, the communication between the condenser and the condenser is adjusted to be that the condensate pipe of the condenser is communicated with the second evaporator through the booster pump, and the diffusion pipe is communicated with the second evaporator, and the second evaporator is further communicated with the wet steam channel of the condenser, and the energy type multi-working-medium combined cycle steam power device is formed.

12. The nuclear energy type multi-energy single-working-medium combined cycle steam power device is characterized in that a second evaporator and a diffuser pipe are added in the nuclear energy type multi-energy single-working-medium combined cycle steam power device, the low-pressure steam channel of the expander is communicated with the evaporator and is adjusted to be communicated with the second evaporator through the evaporator, the low-pressure steam channel of the second expander is communicated with the evaporator and is adjusted to be communicated with the second evaporator through the evaporator, the low-pressure steam channel of the evaporator is respectively communicated with the compressor and the condenser, the low-pressure steam channel of the second evaporator is respectively communicated with the compressor and the condenser, the condenser condensate pipe is adjusted to be communicated with the second evaporator through the booster pump, and then the second evaporator is communicated with the evaporator through the diffuser pipe, so that the nuclear energy type multi-energy single-working-medium combined cycle steam power device is formed.

13. The nuclear energy type multifunctional single-working-medium combined cycle steam power device is characterized in that in any one of the nuclear energy type multifunctional single-working-medium combined cycle steam power devices in the 1 st to 12 th, a heat source medium channel communicated with the outside by a heat source heat exchanger is omitted, a solar heat collection system is added to replace the heat source heat exchanger, and the nuclear energy type multifunctional single-working-medium combined cycle steam power device is formed.

14. The nuclear energy type multifunctional single-working-medium combined cycle steam power plant is characterized in that in any one of the nuclear energy type multifunctional single-working-medium combined cycle steam power plants in 1-13, an expansion speed increaser is added and replaces the expansion machine, a second expansion speed increaser is added and replaces the second expansion machine, a dual-energy compressor is added and replaces the compressor, a newly added diffuser pipe is added and replaces the booster pump, a second dual-energy compressor is added and replaces the second compressor, and the nuclear energy type multifunctional single-working-medium combined cycle steam power plant is formed.

Description of the drawings:

FIG. 1 is a schematic thermodynamic system diagram of a nuclear power type multi-energy co-single-medium combined cycle steam power plant according to the invention.

FIG. 2 is a schematic thermodynamic system diagram of a nuclear power type multi-energy co-single-medium combined cycle steam power plant according to the present invention.

FIG. 3 is a schematic thermodynamic system diagram of a nuclear power type multi-energy co-single-medium combined cycle steam power plant according to the present invention.

FIG. 4 is a schematic thermodynamic system diagram of a nuclear power type multi-energy co-single-medium combined cycle steam power plant according to the present invention.

FIG. 5 is a schematic thermodynamic system diagram of a nuclear power type multi-energy co-single-medium combined cycle steam power plant according to the present invention.

FIG. 6 is a schematic diagram of a 6 th principle thermodynamic system of a nuclear power type multi-energy co-single-medium combined cycle steam power plant according to the present invention.

FIG. 7 is a schematic thermodynamic system diagram of a nuclear power type multi-energy co-single-medium combined cycle steam power plant according to the present invention.

FIG. 8 is a schematic thermodynamic system diagram of a nuclear power type multi-energy co-single-medium combined cycle steam power plant according to the present invention.

FIG. 9 is a schematic thermodynamic system diagram of a nuclear power type multi-energy co-single-medium combined cycle steam power plant according to the present invention.

FIG. 10 is a schematic diagram of a 10 th principle thermodynamic system of a nuclear power type multi-energy portable single-working-medium combined cycle steam power plant according to the present invention.

FIG. 11 is a schematic thermodynamic system diagram of a nuclear power type multi-energy co-single-working-medium combined cycle steam power plant according to the present invention.

FIG. 12 is a schematic diagram of a 12 th principle thermodynamic system of a nuclear power type multi-energy portable single-working-medium combined cycle steam power plant according to the present invention.

FIG. 13 is a schematic thermodynamic system diagram of a nuclear power type multi-energy co-single-working-medium combined cycle steam power plant according to the present invention.

In the figure, the 1-expander, the 2-second expander, the 3-compressor, the 4-booster pump, the 5-regenerator, the 6-condenser, the 7-evaporator, the 8-heat source heat exchanger, the 9-second compressor, the 10-heating furnace, the 11-heat source regenerator, the 12-nuclear reactor, the 13-second regenerator, the 14-second booster pump, the 15-low temperature regenerator, the 16-second evaporator, the 17-diffuser pipe and the 18-solar heat collection system are arranged; the system comprises an A-expansion speed increaser, a B-second expansion speed increaser, a C-dual-energy compressor, a D-newly added diffuser pipe and an E-second dual-energy compressor.

The following brief description is given here for nuclear energy and nuclear reactor:

the nuclear reactor in the present application is a heating device for directly or indirectly providing a high-temperature heat load to a working medium by using nuclear energy, and generally comprises two cases:

(1) The nuclear fuel directly provides the circulating working medium flowing through the nuclear reactor with heat energy released by nuclear reaction.

(2) The heat energy released by the nuclear fuel by the nuclear reaction is first supplied to a circuit cooling medium and then supplied by the circuit cooling medium to the circulating fluid flowing through the nuclear reactor by a heat exchanger, which means that the heat exchanger is considered to be an integral part of the nuclear reactor 12.

The following brief description is given here about the photo-thermal and solar heat collection system:

(1) Solar heat collection systems, also known as solar heating systems, refer to heating systems that utilize a heat collector to convert solar radiant energy into high temperature heat (simply referred to as photo-thermal), which can be used to provide a driving heat load to a thermodynamic cycle system; it is mainly composed of heat collector and related necessary auxiliary facilities.

(2) Types of solar energy collection systems include, but are not limited to: ① The concentrating solar heat collection system mainly comprises a groove type system, a tower type system and a butterfly type system at present; ② The non-concentrating solar heat collecting system has solar pond, solar chimney and other systems.

(3) Solar heat collection systems in a broad sense, including various systems that employ various means and devices to convert solar energy to thermal energy at different temperatures, can be used to meet the thermal demands of different temperatures.

(4) There are two main types of heat supply modes of solar heat collection systems at present: ① The high-temperature heat energy converted by solar energy is directly supplied to a heated medium flowing through a solar heat collection system; ② The high-temperature heat energy converted from solar energy is firstly supplied to the working medium of the self-circulation loop, and then the working medium is supplied to the heated medium flowing through the solar heat collection system through the heat exchanger.

The specific embodiment is as follows:

it is to be noted that the description of the structure and the flow is not repeated if necessary; obvious procedures are not described. The invention is described in detail below with reference to the drawings and examples.

The nuclear energy type multi-energy carrying single-working-medium combined cycle steam power device shown in fig. 1 is realized by the following steps:

(1) Structurally, the system mainly comprises an expander, a second expander, a compressor, a booster pump, a regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a heating furnace, a heat source regenerator and a nuclear reactor; the outside is provided with a fuel channel which is communicated with a heating furnace 10, the outside is also provided with an air channel which is communicated with the heating furnace 10 through a heat source regenerator 11, the heating furnace 10 is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator 11, the compressor 3 is provided with a first steam channel which is communicated with a second expander 2 through a regenerator 5, the second expander 2 is also provided with a low-pressure steam channel which is communicated with an evaporator 7, the compressor 3 is also provided with a second steam channel which is communicated with a heat source heat exchanger 8, the condenser 6 is provided with a condensate pipeline which is communicated with the evaporator 7 through a booster pump 4, the evaporator 7 is further provided with a steam channel which is communicated with the heat source heat exchanger 8, the heat source heat exchanger 8 is also provided with a steam channel which is communicated with a nuclear reactor 12 through a second compressor 9 and the heating furnace 10, the nuclear reactor 12 is also provided with a steam channel which is communicated with the expander 1, the expander 1 is also provided with a low-pressure steam channel which is communicated with the evaporator 7 through the regenerator 5, and the evaporator 7 is also provided with the low-pressure steam channel which is divided into two paths-the first path which is communicated with the compressor 3 and the second path which is communicated with the condenser 6; the condenser 6 also has a cooling medium passage communicating with the outside, and the heat source heat exchanger 8 also has a heat source medium passage communicating with the outside, and the expander 1 connects the compressor 3 and the second compressor 9 and transmits power.

(2) In the flow, external fuel enters the heating furnace 10, external air enters the heating furnace 10 after absorbing heat and raising temperature through the heat source regenerator 11, fuel and air are mixed in the heating furnace 10 and combusted to generate fuel gas with higher temperature, the fuel gas releases heat in steam flowing through the heating furnace 10, and then the fuel gas releases heat and lowers temperature through the heat source regenerator 11 and is discharged outwards; part of low-pressure steam discharged by the evaporator 7 enters the compressor 3 to be boosted and heated to a certain extent and then is divided into two paths, wherein the first path flows through the heat regenerator 5 to absorb heat and flows through the second expander 2 to be decompressed and work and provided for the evaporator 7, and the second path continuously boosts and heats and then enters the heat source heat exchanger 8 to absorb heat and heat; the condensate discharged by the condenser 6 is boosted by the booster pump 4, is heated and vaporized by the heat absorption of the evaporator 7, and then enters the heat source heat exchanger 8 to absorb heat and raise temperature; the steam discharged by the heat source heat exchanger 8 is boosted and heated through the second compressor 9, gradually absorbs heat and heats through the heating furnace 10 and the nuclear reactor 12, is decompressed and works through the expander 1, is released heat and cooled through the heat regenerator 5, and is then supplied to the evaporator 7; the low-pressure steam discharged by the heat regenerator 5 and the second expander 2 flows through the evaporator 7 to release heat and cool, and then is divided into two paths, wherein the first path enters the compressor 3 to raise the pressure and the temperature, and the second path enters the condenser 6 to release heat and condense; the heat source medium provides driving heat load through the heat source heat exchanger 8, the fuel provides driving heat load through the heating furnace 10, the nuclear fuel provides driving heat load through the nuclear reactor 12, the cooling medium takes away low-temperature heat load through the condenser 6, and the air and the fuel gas take away discharging heat load through the inlet and outlet heating furnace 10; the work output by the expander 1 and the second expander 2 is provided for the compressor 3, the second compressor 9 and external acting force, or the work output by the expander 1 and the second expander 2 is provided for the compressor 3, the booster pump 4, the second compressor 9 and external acting force, so that the nuclear energy type multifunctional single-working-medium combined cycle steam power device is formed.

The nuclear energy type multi-energy carrying single-working-medium combined cycle steam power device shown in fig. 2 is realized by the following steps:

(1) Structurally, the system mainly comprises an expander, a second expander, a compressor, a booster pump, a regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a heating furnace, a heat source regenerator and a nuclear reactor; the outside is provided with a fuel channel which is communicated with a heating furnace 10, the outside is also provided with an air channel which is communicated with the heating furnace 10 through a heat source regenerator 11, the heating furnace 10 is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator 11, the compressor 3 is provided with a first steam channel which is communicated with a second expander 2 through a regenerator 5, the second expander 2 is also provided with a low-pressure steam channel which is communicated with an evaporator 7, the compressor 3 is also provided with a second steam channel which is communicated with a heat source heat exchanger 8, the condenser 6 is provided with a condensate pipeline which is communicated with the evaporator 7 through a booster pump 4, the evaporator 7 is further provided with a steam channel which is communicated with the heat source heat exchanger 8, the heat source heat exchanger 8 is also provided with a steam channel which is communicated with a nuclear reactor 12 through a second compressor 9 and the heating furnace 10, the nuclear reactor 12 is also provided with a steam channel which is communicated with the expander 1, the expander 1 is also provided with a low-pressure steam channel which is communicated with the evaporator 7 is further provided with the low-pressure steam channel which is divided into two paths-a first path which is communicated with the compressor 3 and a second path which is communicated with the condenser 6; the condenser 6 further has a cooling medium passage in communication with the outside, the heat source heat exchanger 8 further has a heat source medium passage in communication with the outside, the evaporator 7 or further has a heat source medium passage in communication with the outside, and the expander 1 connects the compressor 3 and the second compressor 9 and transmits power.

(2) In the flow, compared with the nuclear energy type multi-energy carrying single-working-medium combined cycle steam power plant shown in fig. 1, the difference is that: the steam discharged by the nuclear reactor 12 enters the expander 1 to perform depressurization work to a certain extent, then flows through the heat regenerator 5 to release heat and cool, enters the expander 1 to continue depressurization work, and then is provided for the evaporator 7 to form the nuclear energy type multifunctional single-working-medium combined cycle steam power plant.

The nuclear energy type multi-energy carrying single-working-medium combined cycle steam power device shown in fig. 3 is realized by the following steps:

(1) Structurally, the device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a heating furnace, a heat source heat regenerator, a nuclear reactor and a second heat regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace 10, the outside is also provided with an air channel which is communicated with the heating furnace 10 through a heat source regenerator 11, the heating furnace 10 is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator 11, the compressor 3 is provided with a first steam channel which is communicated with a second expander 2 through a regenerator 5, the second expander 2 is also provided with a low-pressure steam channel which is communicated with an evaporator 7, the compressor 3 is also provided with a second steam channel which is communicated with a heat source heat exchanger 8, the condenser 6 is provided with a condensate pipeline which is communicated with the evaporator 7 through a booster pump 4, the evaporator 7 is further provided with a steam channel which is communicated with the heat source heat exchanger 8, the heat source heat exchanger 8 is also provided with a steam channel which is communicated with a nuclear reactor 12 through a second compressor 9, a second regenerator 13 and the heating furnace 10, the nuclear reactor 12 is also communicated with the expander 1, the expander 1 is also provided with a low-pressure steam channel which is communicated with the evaporator 7 is divided into two paths, namely a first path which is communicated with the compressor 3 and a second path which is communicated with the condenser 6; the condenser 6 further has a cooling medium passage in communication with the outside, the heat source heat exchanger 8 further has a heat source medium passage in communication with the outside, the evaporator 7 or further has a heat source medium passage in communication with the outside, and the expander 1 connects the compressor 3 and the second compressor 9 and transmits power.

(2) In the flow, compared with the nuclear energy type multi-energy carrying single-working-medium combined cycle steam power plant shown in fig. 1, the difference is that: the steam discharged by the second compressor 9 is gradually absorbed in heat and increased in temperature through the second heat regenerator 13, the heating furnace 10 and the nuclear reactor 12, is subjected to depressurization and work through the expander 1, is gradually released in heat and reduced in temperature through the second heat regenerator 13 and the heat regenerator 5, and is then supplied to the evaporator 7 to form the nuclear energy type multifunctional single-working-medium combined cycle steam power device.

The nuclear energy type multi-energy carrying single-working-medium combined cycle steam power plant shown in fig. 4 is realized by the following steps:

(1) Structurally, the device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a heating furnace, a heat source heat regenerator, a nuclear reactor and a second heat regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace 10, the outside is also provided with an air channel which is communicated with the heating furnace 10 through a heat source regenerator 11, the heating furnace 10 is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator 11, the compressor 3 is provided with a first steam channel which is communicated with a second expander 2 through a regenerator 5, the second expander 2 is also provided with a low-pressure steam channel which is communicated with an evaporator 7, the compressor 3 is also provided with a second steam channel which is communicated with a heat source heat exchanger 8, the condenser 6 is provided with a condensate pipeline which is communicated with the evaporator 7 through a booster pump 4, the evaporator 7 is further provided with a steam channel which is communicated with the heat source heat exchanger 8, the heat source heat exchanger 8 is also provided with a steam channel which is communicated with a nuclear reactor 12 through a second regenerator 13, a second compressor 9 and the heating furnace 10, the nuclear reactor 12 is also communicated with the expander 1, the expander 1 is also provided with a low-pressure steam channel which is communicated with the evaporator 7 is divided into two paths, namely a first path which is communicated with the compressor 3 and a second path which is communicated with the condenser 6; the condenser 6 further has a cooling medium passage in communication with the outside, the heat source heat exchanger 8 further has a heat source medium passage in communication with the outside, the evaporator 7 or further has a heat source medium passage in communication with the outside, and the expander 1 connects the compressor 3 and the second compressor 9 and transmits power.

(2) In the flow, compared with the nuclear energy type multi-energy carrying single-working-medium combined cycle steam power plant shown in fig. 1, the difference is that: steam discharged by the heat source heat exchanger 8 flows through the second heat regenerator 13 to absorb heat and raise temperature, and then enters the second compressor 9 to raise pressure and raise temperature; the low-pressure steam discharged by the expander 1 flows through the second heat regenerator 13 and the heat regenerator 5 to release heat and cool gradually, and then is supplied to the evaporator 7 to form the nuclear energy type multifunctional portable single-working-medium combined cycle steam power device.

The nuclear energy type multi-energy carrying single-working-medium combined cycle steam power plant shown in fig. 5 is realized by the following steps:

(1) Structurally, the device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a heating furnace, a heat source heat regenerator, a nuclear reactor and a second heat regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace 10, the outside is also provided with an air channel which is communicated with the heating furnace 10 through a heat source regenerator 11, the heating furnace 10 is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator 11, the compressor 3 is also provided with a first steam channel which is communicated with a second expander 2 through a regenerator 5, the second expander 2 is also provided with a low-pressure steam channel which is communicated with an evaporator 7, the compressor 3 is also provided with a second steam channel which is communicated with a heat source heat exchanger 8 through a second regenerator 13 after the condenser 6 is provided with a condensate pipeline which is communicated with the evaporator 7 through a booster pump 4, the evaporator 7 is also provided with a steam channel which is communicated with the heat source heat exchanger 8 through a second regenerator 13, the heat source heat exchanger 8 is also provided with a steam channel which is communicated with a nuclear reactor 12 through a second compressor 9 and the heating furnace 10, the expander 1 is also provided with a low-pressure steam channel which is communicated with the evaporator 7 through the second regenerator 13 and the regenerator 5, and the evaporator 7 is also provided with a low-pressure steam channel which is two paths-namely that the first path is communicated with the compressor 3 and the second path is communicated with the condenser 6; the condenser 6 further has a cooling medium passage in communication with the outside, the heat source heat exchanger 8 further has a heat source medium passage in communication with the outside, the evaporator 7 or further has a heat source medium passage in communication with the outside, and the expander 1 connects the compressor 3 and the second compressor 9 and transmits power.

(2) In the flow, compared with the nuclear energy type multi-energy carrying single-working-medium combined cycle steam power plant shown in fig. 1, the difference is that: the high-pressure steam discharged from the evaporator 7 and the compressor 3 flows through the second regenerator 13 to absorb heat and raise temperature, and then is supplied to the heat source heat exchanger 8; the low-pressure steam discharged by the expander 1 flows through the second heat regenerator 13 and the heat regenerator 5 to release heat and cool gradually, and then is supplied to the evaporator 7 to form the nuclear energy type multifunctional portable single-working-medium combined cycle steam power device.

The nuclear energy type multi-energy carrying single-working-medium combined cycle steam power plant shown in fig. 6 is realized by the following steps:

(1) Structurally, the device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a heating furnace, a heat source heat regenerator, a nuclear reactor and a second heat regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace 10, the outside is also provided with an air channel which is communicated with the heating furnace 10 through a heat source regenerator 11, the heating furnace 10 is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator 11, the compressor 3 is provided with a first steam channel which is communicated with a second expander 2 through a regenerator 5, the second expander 2 is also provided with a low-pressure steam channel which is communicated with an evaporator 7, the compressor 3 is also provided with a second steam channel which is communicated with a heat source heat exchanger 8, the condenser 6 is provided with a condensate pipeline which is communicated with the evaporator 7 through a booster pump 4, the evaporator 7 is further provided with a steam channel which is communicated with the heat source heat exchanger 8, the heat source heat exchanger 8 is also provided with a steam channel which is communicated with a nuclear reactor 12 through a second compressor 9, a second regenerator 13 and the heating furnace 10, the nuclear reactor 12 is also provided with a steam channel which is communicated with the expander 1 is further provided with the low-pressure steam channel which is communicated with the evaporator 7 through the regenerator 5, and the evaporator 7 is also provided with a low-pressure steam channel which is divided into two paths, namely the first path is communicated with the compressor 3 and the second path is communicated with the condenser 6; the condenser 6 further has a cooling medium passage in communication with the outside, the heat source heat exchanger 8 further has a heat source medium passage in communication with the outside, the evaporator 7 or further has a heat source medium passage in communication with the outside, and the expander 1 connects the compressor 3 and the second compressor 9 and transmits power.

(2) In the flow, compared with the nuclear energy type multi-energy carrying single-working-medium combined cycle steam power plant shown in fig. 1, the difference is that: the steam discharged from the second compressor 9 is gradually absorbed in heat and increased in temperature through the second regenerator 13, the heating furnace 10 and the nuclear reactor 12, and then is supplied to the expander 1; the steam enters the expander 1 to perform decompression and work, flows through the second heat regenerator 13 to release heat and cool to a certain extent, enters the expander 1 to continue decompression and work, flows through the heat regenerator 5 to release heat and cool, and then is provided for the evaporator 7 to form the nuclear energy type multifunctional single-working-medium combined cycle steam power device.

The nuclear energy type multi-energy carrying single-working-medium combined cycle steam power plant shown in fig. 7 is realized by the following steps:

(1) Structurally, the device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a heating furnace, a heat source heat regenerator, a nuclear reactor and a second heat regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace 10, the outside is also provided with an air channel which is communicated with the heating furnace 10 through a heat source regenerator 11, the heating furnace 10 is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator 11, the compressor 3 is provided with a first steam channel which is communicated with a second expander 2 through a regenerator 5, the second expander 2 is also provided with a low-pressure steam channel which is communicated with an evaporator 7, the compressor 3 is also provided with a second steam channel which is communicated with a heat source heat exchanger 8, the condenser 6 is provided with a condensate pipeline which is communicated with the evaporator 7 through a booster pump 4, the evaporator 7 is further provided with a steam channel which is communicated with the heat source heat exchanger 8, the heat source heat exchanger 8 is also provided with a steam channel which is communicated with a nuclear reactor 12 through a second regenerator 13, a second compressor 9 and the heating furnace 10, the nuclear reactor 12 is also provided with a steam channel which is communicated with the expander 1 is further provided with the low-pressure steam channel which is communicated with the evaporator 7 through the regenerator 5, and the evaporator 7 is also provided with a low-pressure steam channel which is divided into two paths, namely the first path is communicated with the compressor 3 and the second path is communicated with the condenser 6; the condenser 6 further has a cooling medium passage in communication with the outside, the heat source heat exchanger 8 further has a heat source medium passage in communication with the outside, the evaporator 7 or further has a heat source medium passage in communication with the outside, and the expander 1 connects the compressor 3 and the second compressor 9 and transmits power.

(2) In the flow, compared with the nuclear energy type multi-energy carrying single-working-medium combined cycle steam power plant shown in fig. 1, the difference is that: the steam discharged from the heat source heat exchanger 8 absorbs heat and rises temperature through the second regenerator 13, and is then supplied to the second compressor 9; the steam discharged by the nuclear reactor 12 enters the expander 1 to perform depressurization and work to a certain extent, then flows through the second heat regenerator 13 to release heat and cool, enters the expander 1 to continue depressurization and work, flows through the heat regenerator 5 to release heat and cool, and then is supplied to the evaporator 7 to form the nuclear energy type multifunctional single-working-medium combined cycle steam power device.

The nuclear energy type multi-energy carrying single-working-medium combined cycle steam power plant shown in fig. 8 is realized by the following steps:

(1) Structurally, the device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a heating furnace, a heat source heat regenerator, a nuclear reactor and a second heat regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace 10, the outside is also provided with an air channel which is communicated with the heating furnace 10 through a heat source regenerator 11, the heating furnace 10 is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator 11, the compressor 3 is provided with a first steam channel which is communicated with a second expander 2 through a regenerator 5, the second expander 2 is also provided with a low-pressure steam channel which is communicated with an evaporator 7, the compressor 3 is also provided with a second steam channel which is communicated with a heat source heat exchanger 8 through a second regenerator 13 after a condensate pipeline is communicated with the evaporator 7 through a booster pump 4, the evaporator 7 is also provided with a steam channel which is communicated with the heat source heat exchanger 8 through a second regenerator 13, the heat source heat exchanger 8 is also provided with a steam channel which is communicated with a nuclear reactor 12 through a second compressor 9 and the heating furnace 10, the nuclear reactor 12 is also provided with a steam channel which is communicated with the expander 1 is also communicated with the regenerator 5 and the evaporator 7 after the expander 1 is also communicated with the low-pressure steam channel which is communicated with the evaporator 7 is also through the regenerator 5, and the low-pressure steam channel is divided into two paths, namely, the first path is communicated with the compressor 3 and the condenser 6 is communicated with the condenser 6; the condenser 6 further has a cooling medium passage in communication with the outside, the heat source heat exchanger 8 further has a heat source medium passage in communication with the outside, the evaporator 7 or further has a heat source medium passage in communication with the outside, and the expander 1 connects the compressor 3 and the second compressor 9 and transmits power.

(2) In the flow, compared with the nuclear energy type multi-energy carrying single-working-medium combined cycle steam power plant shown in fig. 1, the difference is that: the high-pressure steam discharged from the evaporator 7 and the compressor 3 flows through the second regenerator 13 to absorb heat and raise temperature, and then is supplied to the heat source heat exchanger 8; the steam discharged by the nuclear reactor 12 enters the expander 1 to perform depressurization and work to a certain extent, then flows through the second heat regenerator 13 to release heat and cool, enters the expander 1 to continue depressurization and work, then flows through the heat regenerator 5 to release heat and cool and is provided for the evaporator 7, and the nuclear energy type multifunctional single-working-medium combined cycle steam power device is formed.

The nuclear energy type multi-energy carrying single-working-medium combined cycle steam power plant shown in fig. 9 is realized by the following steps:

(1) In the nuclear energy type multi-functional single-working-medium combined cycle steam power device shown in fig. 3, a steam channel of the second compressor 9 is communicated with the heating furnace 10 through the second heat regenerator 13, and the condition is that the steam channel of the second compressor 9 is communicated with the heating furnace 10 through the second heat regenerator 13 and then the steam channel of the second compressor 9 is communicated with the heating furnace 10.

(2) In the flow, compared with the nuclear energy type multi-energy carrying single-working-medium combined cycle steam power plant shown in fig. 3, the difference is that: the steam discharged by the heat source heat exchanger 8 enters the second compressor 9 to be boosted and heated to a certain extent, then flows through the second heat regenerator 13 to absorb heat and heat to be heated, enters the second compressor 9 to be boosted and heated continuously, and then is supplied to the heating furnace 10 to form the nuclear energy type multi-functional single-working-medium combined cycle steam power device.

The nuclear energy type multi-energy carrying single-working-medium combined cycle steam power plant shown in fig. 10 is realized by the following steps:

(1) Structurally, in the nuclear energy type multifunctional single-working-medium-carrying combined cycle steam power device shown in fig. 1, a second booster pump and a low-temperature heat regenerator are added, a condensate pipe of a condenser 6 is communicated with a booster pump 4, the condenser 6 is communicated with a low-temperature heat regenerator 15 through a second booster pump 14, a steam extraction channel is additionally arranged on a compressor 3 and is communicated with the low-temperature heat regenerator 15, and the low-temperature heat regenerator 15 is further communicated with the booster pump 4 through a condensate pipe.

(2) In the flow, compared with the nuclear energy type multi-energy carrying single-working-medium combined cycle steam power plant shown in fig. 1, the difference is that: the condensate discharged by the condenser 6 flows through the second booster pump 14 to be boosted and then enters the low-temperature regenerator 15 to be mixed with the extracted steam from the compressor 3, absorbs heat and heats up, and the extracted steam is released to form condensate; condensate of the low-temperature heat regenerator 15 flows through the booster pump 4 to boost pressure, and then enters the evaporator 7 to absorb heat to raise temperature and vaporize; the low-pressure steam discharged by the heat regenerator 5 and the second expander 2 flows through the evaporator 7 to release heat and cool, and then is divided into two paths, wherein the first path enters the compressor 3 to raise the pressure and the temperature, and the second path enters the condenser 6 to release heat and condense; the low-pressure steam enters the compressor 3 to be boosted and heated to a certain extent, and then is divided into two paths, namely a first path is provided for the low-temperature heat regenerator 15, and a second path is divided into two paths after the boosting and the heating are continued, namely the first path is provided for the heat regenerator 5 and the second path is provided for the heat source heat exchanger 8, so that the nuclear energy type multifunctional portable single-working-medium combined cycle steam power device is formed.

The nuclear energy type multi-energy carrying single-working-medium combined cycle steam power plant shown in fig. 11 is realized by the following steps:

(1) In the nuclear energy type multi-functional single-working-medium combined cycle steam power plant shown in fig. 1, a second evaporator and a diffuser pipe are added, the communication between a low-pressure steam channel of a heat regenerator 5 and an evaporator 7 is adjusted to be that the low-pressure steam channel of the heat regenerator 5 is communicated with the second evaporator 16 through the evaporator 7, the communication between the low-pressure steam channel of the second expander 2 and the evaporator 7 is adjusted to be that the low-pressure steam channel of the second expander 2 is communicated with the second evaporator 16 through the evaporator 7, the communication between the low-pressure steam channel of the evaporator 7 and the compressor 3 and the condenser 6 is respectively adjusted to be that the low-pressure steam channel of the second evaporator 16 is respectively communicated with the compressor 3 and the condenser 6, the communication between the condenser 6 and the condenser 6 through a booster pump 4 and the evaporator 7 is adjusted to be that the condensate channel of the condenser 6 is communicated with the second evaporator 16 through the booster pump 4 and then the second evaporator 16 is further communicated with the evaporator 7 through the diffuser pipe 17.

(2) In the flow, compared with the nuclear energy type multi-energy carrying single-working-medium combined cycle steam power plant shown in fig. 1, the difference is that: the condensate discharged by the condenser 6 is boosted by the booster pump 4, is subjected to heat absorption and temperature rise, partial vaporization and speed increase by the second evaporator 16, is subjected to speed reduction and pressure boost by the diffuser pipe 17, and then enters the evaporator 7 to absorb heat and vaporization; low-pressure steam discharged by the heat regenerator 5 and the second expander 2 is gradually released and cooled through the evaporator 7 and the second evaporator 16, and then respectively enters the compressor 3 for boosting and heating and the condenser 6 for releasing heat and condensing, so that the nuclear energy type multifunctional single-working-medium combined cycle steam power device is formed.

The nuclear energy type multi-energy carrying single-working-medium combined cycle steam power plant shown in fig. 12 is realized by the following steps:

In the nuclear energy type multi-energy carrying single-working-medium combined cycle steam power plant shown in fig. 1, a heat source medium channel communicated with the outside of a heat source heat exchanger 8 is omitted, a solar heat collection system 18 is added, and the heat source heat exchanger 8 is replaced; the solar energy provides driving heat load through the added solar heat collection system 18, so that the nuclear energy type multi-energy carrying single-working-medium combined cycle steam power plant is formed.

The nuclear power type multi-energy carrying single-working-medium combined cycle steam power plant shown in fig. 13 is realized by the following steps:

(1) Structurally, in the nuclear type multi-functional single-working-medium combined cycle steam power plant shown in fig. 1, an expansion speed increaser a is added and replaces the expansion machine 1, a second expansion speed increaser B is added and replaces the second expansion machine 2, a dual-energy compressor C is added and replaces the compressor 3, a newly added diffuser pipe D is added and replaces the booster pump 4, and a second dual-energy compressor E is added and replaces the second compressor 9.

(2) In the flow, compared with the nuclear energy type multi-energy carrying single-working-medium combined cycle steam power plant shown in fig. 1, the difference is that: part of low-pressure steam discharged by the evaporator 7 enters the dual-energy compressor C to be boosted, heated and decelerated to a certain extent and then is divided into two paths, wherein the first path flows through the heat regenerator 5 to absorb heat and heat, flows through the second expansion speed increaser B to be decompressed, work and speed-up and enters the evaporator 7, and the second path continuously boosts, heats and then enters the heat source heat exchanger 8 to absorb heat and heat; condensate discharged by the condenser 6 flows through the newly added diffuser pipe D to be reduced in speed and boosted, flows through the evaporator 7 to absorb heat and evaporate, and then enters the heat source heat exchanger 8 to absorb heat and raise temperature; the steam discharged by the heat source heat exchanger 8 is boosted, warmed and decelerated through the second dual-energy compressor E, gradually absorbed in heat and warmed through the heating furnace 10 and the nuclear reactor 12, decompressed, acted and decelerated through the expansion speed increaser A, released in heat and cooled through the heat regenerator 5, and then enters the evaporator 7; the low-pressure steam discharged by the heat regenerator 5 and the second expansion speed increaser B flows through the evaporator 7 to release heat and cool, and then is divided into two paths, wherein the first path enters the dual-energy compressor C to raise the pressure and raise the temperature and reduce the speed, and the second path enters the condenser 6 to release heat and condense; the work output by the expansion speed increaser A and the second expansion speed increaser B is provided for the dual-energy compressor C, the second dual-energy compressor E and external acting force to form the nuclear energy type multi-energy co-single working medium combined cycle steam power device.

The nuclear energy type multifunctional single-working-medium combined cycle steam power device provided by the invention has the following effects and advantages:

(1) The nuclear energy, fuel and conventional heat resources or the nuclear energy, fuel and photo-heat share the integrated thermal power system, so that the construction cost of the thermal power system is saved, and the cost performance is high.

(2) The nuclear energy, fuel and conventional heat resources, or the nuclear energy, fuel and photo-heat, provide driving heat load links, have small temperature difference loss and high thermodynamic perfection.

(3) The conventional heat resource plays a larger role by means of the fuel, so that the utilization value of the fuel converted into mechanical energy is obviously improved; the photo-thermal plays a larger role by means of the fuel, and the utilization value of the fuel converted into mechanical energy is remarkably improved.

(4) The fuel plays a greater role by means of nuclear energy, and the utilization value of the nuclear energy converted into mechanical energy is remarkably improved.

(5) The conventional heat resource and the fuel or the photo-thermal and the fuel can be carried by the type and grade, the connection is flexible, and the thermodynamic perfection is high.

(6) The driving heat load realizes graded utilization in the single-working-medium combined cycle, obviously reduces irreversible loss of temperature difference, and has high heat-changing work efficiency and thermodynamic perfection.

(7) The conventional heat resource or photo-heat can be used for or is beneficial to reducing the pressure boosting ratio of the combined cycle, improving the flow of the cycle working medium and being beneficial to constructing a large-load nuclear energy type multifunctional single-working-medium combined cycle steam power device.

(8) The utilization degree of the temperature difference in the back heating link between gases (steam) is high, and the heat-changing work efficiency is improved; and in the regenerative link between the gas (steam) working medium and the liquid working medium, the flow rate of the gas working medium is large, the temperature change interval is relatively narrow, the irreversible loss of the temperature difference is reduced, and the heat-variable work efficiency is improved.

(9) By utilizing the characteristics of working media, the temperature difference utilization level in the heat transfer process is improved by adopting a simple technical means, and the heat efficiency is improved.

(10) And a plurality of heat regeneration technical means are provided, so that the coordination of the device in the aspects of power, thermal efficiency, step-up ratio and the like is effectively improved.

(11) The flow is reasonable, the structure is simple, and the scheme is rich; is beneficial to improving the reasonable utilization level of energy and expanding the application range of the nuclear energy type multifunctional single-working-medium combined cycle steam power device.

Claims (14)

1. The nuclear energy type multifunctional single-working-medium-carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a heating furnace, a heat source regenerator and a nuclear reactor; the outside is provided with a fuel channel which is communicated with a heating furnace (10), the outside is also provided with an air channel which is communicated with the heating furnace (10) through a heat source regenerator (11), the heating furnace (10) is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator (11), the compressor (3) is provided with a first steam channel which is communicated with a second expander (2) through a regenerator (5), the second expander (2) is also provided with a low-pressure steam channel which is communicated with an evaporator (7), the compressor (3) is also provided with a second steam channel which is communicated with a heat source heat exchanger (8), the condenser (6) is provided with a condensate pipeline which is communicated with the evaporator (7) through a booster pump (4), the evaporator (7) is also provided with a steam channel which is communicated with the heat source heat exchanger (8), the heat source heat exchanger (8) is also provided with a steam channel which is communicated with the second compressor (9) and the heating furnace (10), the nuclear reactor (12) is also provided with a steam channel which is communicated with the expander (1), the expander (1) is also provided with a low-pressure steam channel which is also communicated with the evaporator (7) through the regenerator (5) and the low-pressure steam channel which is also communicated with the first evaporator (6) and the second path (6); the condenser (6) is also provided with a cooling medium channel which is communicated with the outside, the heat source heat exchanger (8) is also provided with a heat source medium channel which is communicated with the outside, the evaporator (7) or the heat source medium channel is also communicated with the outside, and the expander (1) is connected with the compressor (3) and the second compressor (9) and transmits power to form a nuclear energy type multi-energy carrying single-working-medium combined cycle steam power device; wherein, or the expander (1) is connected with the compressor (3), the booster pump (4) and the second compressor (9) and transmits power.

2. The nuclear energy type multifunctional single-working-medium-carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a heating furnace, a heat source regenerator and a nuclear reactor; the outside is provided with a fuel channel which is communicated with a heating furnace (10), the outside is also provided with an air channel which is communicated with the heating furnace (10) through a heat source regenerator (11), the heating furnace (10) is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator (11), the compressor (3) is provided with a first steam channel which is communicated with a second expander (2) through a regenerator (5), the second expander (2) is also provided with a low-pressure steam channel which is communicated with an evaporator (7), the compressor (3) is also provided with a second steam channel which is communicated with a heat source heat exchanger (8), the condenser (6) is provided with a condensate pipeline which is communicated with the evaporator (7) through a booster pump (4), the evaporator (7) is also provided with a steam channel which is communicated with the heat source heat exchanger (8), the heat source heat exchanger (8) is also provided with a steam channel which is communicated with the second compressor (9) and the heating furnace (10), the nuclear reactor (12) is also provided with a steam channel which is communicated with an expander (1), the expander (1) is also provided with a low-pressure steam channel which is communicated with the evaporator (7) and the evaporator (7) which is also communicated with the low-pressure steam channel (7) which is communicated with the second evaporator (6) through the regenerator (3); the condenser (6) is also provided with a cooling medium channel which is communicated with the outside, the heat source heat exchanger (8) is also provided with a heat source medium channel which is communicated with the outside, the evaporator (7) or the heat source medium channel is also communicated with the outside, and the expander (1) is connected with the compressor (3) and the second compressor (9) and transmits power to form a nuclear energy type multi-energy carrying single-working-medium combined cycle steam power device; wherein, or the expander (1) is connected with the compressor (3), the booster pump (4) and the second compressor (9) and transmits power.

3. The nuclear energy type multifunctional single-working-medium-carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a heating furnace, a heat source heat regenerator, a nuclear reactor and a second heat regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace (10), the outside is also provided with an air channel which is communicated with the heating furnace (10) through a heat source regenerator (11), the heating furnace (10) is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator (11), the compressor (3) is provided with a first steam channel which is communicated with a second expander (2) through a regenerator (5), the second expander (2) is also provided with a low-pressure steam channel which is communicated with an evaporator (7), the compressor (3) is also provided with a second steam channel which is communicated with a heat source heat exchanger (8), the condenser (6) is provided with a condensate pipeline which is communicated with the evaporator (7) through a booster pump (4), the evaporator (7) is also provided with a steam channel which is communicated with the heat source heat exchanger (8), the heat source heat exchanger (8) is also provided with a steam channel which is communicated with a nuclear reactor (12) through a second compressor (9), a second evaporator (13) and the heating furnace (10), the nuclear reactor (12) is also provided with a steam channel which is communicated with an expander (1), the expander (1) is also provided with a low-pressure steam channel which is also communicated with the evaporator (7) through a second regenerator (13) and the evaporator (7) which is also communicated with the low-pressure channel which is communicated with the second evaporator (6 through the evaporator; the condenser (6) is also provided with a cooling medium channel which is communicated with the outside, the heat source heat exchanger (8) is also provided with a heat source medium channel which is communicated with the outside, the evaporator (7) or the heat source medium channel is also communicated with the outside, and the expander (1) is connected with the compressor (3) and the second compressor (9) and transmits power to form a nuclear energy type multi-energy carrying single-working-medium combined cycle steam power device; wherein, or the expander (1) is connected with the compressor (3), the booster pump (4) and the second compressor (9) and transmits power.

4. The nuclear energy type multifunctional single-working-medium-carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a heating furnace, a heat source heat regenerator, a nuclear reactor and a second heat regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace (10), the outside is also provided with an air channel which is communicated with the heating furnace (10) through a heat source regenerator (11), the heating furnace (10) is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator (11), the compressor (3) is provided with a first steam channel which is communicated with a second expander (2) through a regenerator (5), the second expander (2) is also provided with a low-pressure steam channel which is communicated with an evaporator (7), the compressor (3) is also provided with a second steam channel which is communicated with a heat source heat exchanger (8), the condenser (6) is provided with a condensate pipeline which is communicated with the evaporator (7) through a booster pump (4), the evaporator (7) is also provided with a steam channel which is communicated with the heat source heat exchanger (8), the heat source heat exchanger (8) is also provided with a steam channel which is communicated with a nuclear reactor (12) through a second regenerator (13), a second compressor (9) and the heating furnace (10), the nuclear reactor (12) is also provided with a steam channel which is communicated with an expander (1), the expander (1) is also provided with a low-pressure steam channel which is also communicated with the evaporator (7) through the second regenerator (13) and the evaporator (7) which is also communicated with the low-pressure channel which is also communicated with the second evaporator (3; the condenser (6) is also provided with a cooling medium channel which is communicated with the outside, the heat source heat exchanger (8) is also provided with a heat source medium channel which is communicated with the outside, the evaporator (7) or the heat source medium channel is also communicated with the outside, and the expander (1) is connected with the compressor (3) and the second compressor (9) and transmits power to form a nuclear energy type multi-energy carrying single-working-medium combined cycle steam power device; wherein, or the expander (1) is connected with the compressor (3), the booster pump (4) and the second compressor (9) and transmits power.

5. The nuclear energy type multifunctional single-working-medium-carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a heating furnace, a heat source heat regenerator, a nuclear reactor and a second heat regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace (10), the outside is also provided with an air channel which is communicated with the heating furnace (10) through a heat source regenerator (11), the heating furnace (10) is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator (11), the compressor (3) is also provided with a first steam channel which is communicated with a second expander (2) through a regenerator (5), the second expander (2) is also provided with a low-pressure steam channel which is communicated with an evaporator (7), the compressor (3) is also provided with a second steam channel which is communicated with a heat source heat exchanger (8) through a second regenerator (13), the condenser (6) is also provided with a condensate pipeline which is communicated with the evaporator (7) through a booster pump (4), the evaporator (7) is also provided with a steam channel which is communicated with the heat source heat exchanger (8) through a second regenerator (13), the heat source heat exchanger (8) is also provided with a steam channel which is communicated with a nuclear reactor (12) through a second compressor (9) and the heating furnace (10), the expander (1) is also provided with a low-pressure steam channel which is also communicated with the evaporator (7) through a second regenerator (13) and the evaporator (7) which is also communicated with the low-pressure steam channel which is also communicated with the evaporator (7) through the second regenerator (7) and the evaporator (7) through the second regenerator (13); the condenser (6) is also provided with a cooling medium channel which is communicated with the outside, the heat source heat exchanger (8) is also provided with a heat source medium channel which is communicated with the outside, the evaporator (7) or the heat source medium channel is also communicated with the outside, and the expander (1) is connected with the compressor (3) and the second compressor (9) and transmits power to form a nuclear energy type multi-energy carrying single-working-medium combined cycle steam power device; wherein, or the expander (1) is connected with the compressor (3), the booster pump (4) and the second compressor (9) and transmits power.

6. The nuclear energy type multifunctional single-working-medium-carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a heating furnace, a heat source heat regenerator, a nuclear reactor and a second heat regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace (10), the outside is also provided with an air channel which is communicated with the heating furnace (10) through a heat source regenerator (11), the heating furnace (10) is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator (11), the compressor (3) is provided with a first steam channel which is communicated with a second expander (2) through the regenerator (5), the second expander (2) is also provided with a low-pressure steam channel which is communicated with an evaporator (7), the compressor (3) is also provided with a second steam channel which is communicated with a heat source heat exchanger (8), the condenser (6) is provided with a condensate pipeline which is communicated with the evaporator (7) through a booster pump (4), the evaporator (7) is also provided with a steam channel which is communicated with the heat source heat exchanger (8), the heat source heat exchanger (8) is also provided with a steam channel which is communicated with a nuclear reactor (12) through a second compressor (9), a second evaporator (13) and the heating furnace (10), the nuclear reactor (12) is also provided with a steam channel which is communicated with an expander (1), the expander (1) is also provided with a steam channel which is communicated with the evaporator (7) through the regenerator (5) after the evaporator (1) is also provided with the steam channel which is communicated with the evaporator, the evaporator (7) is also divided into two paths, namely a first path communicated with the compressor (3) and a second path communicated with the condenser (6); the condenser (6) is also provided with a cooling medium channel which is communicated with the outside, the heat source heat exchanger (8) is also provided with a heat source medium channel which is communicated with the outside, the evaporator (7) or the heat source medium channel is also communicated with the outside, and the expander (1) is connected with the compressor (3) and the second compressor (9) and transmits power to form a nuclear energy type multi-energy carrying single-working-medium combined cycle steam power device; wherein, or the expander (1) is connected with the compressor (3), the booster pump (4) and the second compressor (9) and transmits power.

7. The nuclear energy type multifunctional single-working-medium-carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a heating furnace, a heat source heat regenerator, a nuclear reactor and a second heat regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace (10), the outside is also provided with an air channel which is communicated with the heating furnace (10) through a heat source regenerator (11), the heating furnace (10) is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator (11), the compressor (3) is provided with a first steam channel which is communicated with a second expander (2) through the regenerator (5), the second expander (2) is also provided with a low-pressure steam channel which is communicated with an evaporator (7), the compressor (3) is also provided with a second steam channel which is communicated with a heat source heat exchanger (8), the condenser (6) is provided with a condensate pipeline which is communicated with the evaporator (7) through a booster pump (4), the evaporator (7) is also provided with a steam channel which is communicated with the heat source heat exchanger (8), the heat source heat exchanger (8) is also provided with a steam channel which is communicated with a nuclear reactor (12) through a second regenerator (13), the second compressor (9) and the heating furnace (10), the nuclear reactor (12) is also provided with a steam channel which is communicated with an expander (1), the expander (1) is also provided with a steam channel which is communicated with the evaporator (7) through the low-pressure heat exchanger (7) after the evaporator (1) is also communicated with the evaporator through the second regenerator (13), the evaporator (7) is also divided into two paths, namely a first path communicated with the compressor (3) and a second path communicated with the condenser (6); the condenser (6) is also provided with a cooling medium channel which is communicated with the outside, the heat source heat exchanger (8) is also provided with a heat source medium channel which is communicated with the outside, the evaporator (7) or the heat source medium channel is also communicated with the outside, and the expander (1) is connected with the compressor (3) and the second compressor (9) and transmits power to form a nuclear energy type multi-energy carrying single-working-medium combined cycle steam power device; wherein, or the expander (1) is connected with the compressor (3), the booster pump (4) and the second compressor (9) and transmits power.

8. The nuclear energy type multifunctional single-working-medium-carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a heating furnace, a heat source heat regenerator, a nuclear reactor and a second heat regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace (10), the outside is also provided with an air channel which is communicated with the heating furnace (10) through a heat source regenerator (11), the heating furnace (10) is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator (11), the compressor (3) is provided with a first steam channel which is communicated with a second expander (2) through a regenerator (5), the second expander (2) is also provided with a low-pressure steam channel which is communicated with an evaporator (7), the compressor (3) is also provided with a second steam channel which is communicated with a heat source heat exchanger (8) through a second regenerator (13), the condenser (6) is provided with a condensate pipeline which is communicated with the evaporator (7) through a booster pump (4), the evaporator (7) is also provided with a steam channel which is communicated with a heat source heat exchanger (8) through the second regenerator (13), the heat source heat exchanger (8) is also provided with a steam channel which is communicated with a nuclear reactor (12) through a second compressor (9) and the heating furnace (10), the expander (12) is also provided with a steam channel which is communicated with an expander (1), the expander (1) is also provided with a steam channel which is also communicated with the low-pressure evaporator (7) through the evaporator (1) through the second regenerator (13) after the condensate pipeline is communicated with the evaporator (7), the evaporator (7) is also divided into two paths, namely a first path communicated with the compressor (3) and a second path communicated with the condenser (6); the condenser (6) is also provided with a cooling medium channel which is communicated with the outside, the heat source heat exchanger (8) is also provided with a heat source medium channel which is communicated with the outside, the evaporator (7) or the heat source medium channel is also communicated with the outside, and the expander (1) is connected with the compressor (3) and the second compressor (9) and transmits power to form a nuclear energy type multi-energy carrying single-working-medium combined cycle steam power device; wherein, or the expander (1) is connected with the compressor (3), the booster pump (4) and the second compressor (9) and transmits power.

9. In the nuclear energy type multifunctional single-working-medium combined cycle steam power device according to claim 3 or claim 6, a steam channel of the second compressor (9) is communicated with the heating furnace (10) through the second heat regenerator (13), and the steam channel of the second compressor (9) is regulated to be communicated with the heating furnace (10) through the second heat regenerator (13) after the steam channel of the second compressor (9) is communicated with the heating furnace (9) so as to form the nuclear energy type multifunctional single-working-medium combined cycle steam power device.

10. The nuclear energy type multifunctional single-working-medium combined cycle steam power device is characterized in that a second booster pump and a low-temperature heat regenerator are added in any one of the nuclear energy type multifunctional single-working-medium combined cycle steam power devices according to claims 1-9, a condensate pipe line of a condenser (6) is communicated with the booster pump (4) and is adjusted to be communicated with the low-temperature heat regenerator (15) through the second booster pump (14), a steam extraction channel is additionally arranged on a compressor (3) and is communicated with the low-temperature heat regenerator (15), and the low-temperature heat regenerator (15) is further communicated with the booster pump (4) through the condensate pipe line, so that the nuclear energy type multifunctional single-working-medium combined cycle steam power device is formed.

11. In the nuclear energy type multi-energy type single-working-medium combined cycle steam power device, a second evaporator and a diffusion pipe are added in any one of the nuclear energy type multi-energy type single-working-medium combined cycle steam power devices according to claims 1 and 3-9, a low-pressure steam channel of a regenerator (5) is communicated with an evaporator (7) and is regulated to be communicated with the second evaporator (16) through the evaporator (7), the second expander (2) is communicated with the evaporator (7) and is regulated to be communicated with the second evaporator (2) through the evaporator (7), the evaporator (7) is communicated with the compressor (3) and the condenser (6) respectively, a condensate pipe of the condenser (6) is communicated with the evaporator (7) through a pressure boosting pump (4) and is regulated to be communicated with the condenser (6) through the pressure boosting pump (4) and is communicated with the second evaporator (16) through the evaporator (7) through the low-pressure steam channel, and then the condensate pipe of the condenser (16) is communicated with the second evaporator (16) through the pressure boosting pump (3) and the evaporator (6) respectively, and the condensate pipe of the evaporator (16) is communicated with the second evaporator (16) through the single-working-medium.

12. In the nuclear energy type multi-energy carrying single-working-medium combined cycle steam power device, a second evaporator and a diffuser pipe are added in the nuclear energy type multi-energy carrying single-working-medium combined cycle steam power device, the low-pressure steam channel of an expander (1) is communicated with the evaporator (7) and is adjusted to be communicated with the second evaporator (16) through the evaporator (7), the low-pressure steam channel of a second expander (2) is communicated with the evaporator (7) and is adjusted to be communicated with the second evaporator (2) through the evaporator (7), the low-pressure steam channel of the evaporator (7) is respectively communicated with the compressor (3) and the condenser (6) and is adjusted to be communicated with the second evaporator (16) through the low-pressure steam channel of the second evaporator (16), a condensate pipe of the condenser (6) is communicated with the evaporator (7) through a booster pump (4) and is adjusted to be communicated with the condenser (6) through the evaporator (7) and is communicated with the second evaporator (16) through the evaporator (7), and the single-working-medium carrying steam power device is formed after the condensate pipe of the evaporator (6) is communicated with the second evaporator (16) through the evaporator (3).

13. The nuclear energy type multifunctional single-working-medium combined cycle steam power device is characterized in that in any one of the nuclear energy type multifunctional single-working-medium combined cycle steam power devices in claims 1-12, a heat source medium channel communicated with the outside by a heat source heat exchanger (8) is omitted, a solar heat collection system (18) is added to replace the heat source heat exchanger (8), and the nuclear energy type multifunctional single-working-medium combined cycle steam power device is formed.

14. In the nuclear energy type multifunctional single-working-medium combined cycle steam power plant, an expansion speed increaser (A) is added and an expansion machine (1) is replaced, a second expansion speed increaser (B) is added and a second expansion machine (2) is replaced, a dual-energy compressor (C) is added and a compressor (3) is replaced, a newly added diffuser pipe (D) is added and a booster pump (4) is replaced, a second dual-energy compressor (E) is added and a second compressor (9) is replaced, and the nuclear energy type multifunctional single-working-medium combined cycle steam power plant is formed.