CN117823247A - Nuclear energy carrying same-photo-thermal single-working-medium combined cycle steam power device - Google Patents

Abstract

The invention provides a nuclear energy carrying photo-thermal single-working-medium combined cycle steam power device, and belongs to the technical field of thermodynamics and thermal power. The compressor is provided with a first steam channel which is communicated with the second expander through the heat regenerator, the second expander is provided with a low-pressure steam channel which is communicated with the evaporator, the compressor is provided with a second steam channel which is communicated with the solar heat collection system, the condenser is communicated with the solar heat collection system through the booster pump and the evaporator, the solar heat collection system is provided with a steam channel which is communicated with the nuclear reactor through the second compressor, the nuclear reactor is provided with a steam channel which is communicated with the expander, the expander is provided with a low-pressure steam channel which is communicated with the evaporator through the heat regenerator, and the evaporator is 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, and the expander is connected with the compressor and the second compressor and transmits power to form the nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power device.

Description

Nuclear energy carrying same-photo-thermal 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:

nuclear energy, photo-thermal, can realize thermal work; different system devices are constructed by adopting the same or different thermal power principles, and corresponding construction cost is paid, so that nuclear energy or photo-thermal conversion into mechanical energy is realized; obviously, it is of positive interest to try to reduce the number of thermal power devices.

The high-temperature gas cooled reactor technology is an important direction of nuclear energy utilization and development, but the application process of the nuclear energy has irreversible temperature difference loss; the power application value of the photo-heat is difficult to be improved in the same proportion along with the improvement of the photo-heat temperature due to the influence of the working principle, materials, thermodynamic cycle and the property of working media.

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.

Based on the basic principle of simply, actively, safely and efficiently utilizing energy to obtain power, the invention provides a nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power device which provides driving heat load together with photo-thermal, has flexible connection, reasonable flow, simple structure, small irreversible loss of systematic temperature difference of the thermal power device and reasonable thermodynamic perfection and high cost performance.

The invention comprises the following steps:

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

1. the nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a regenerator, a condenser, an evaporator, a solar heat collection system, a second compressor and a nuclear reactor; the compressor is provided with a first steam channel which is communicated with the second expander through the heat 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 solar heat collection system, the condenser is provided with a condensate pipe which is communicated with the evaporator through the booster pump, then the evaporator is provided with a steam channel which is communicated with the solar heat collection system, the solar heat collection system is also provided with a steam channel which is communicated with the nuclear reactor through the second compressor, the nuclear reactor is also provided with a steam channel which is communicated with the expander, the expander is also provided with a low-pressure steam channel which is communicated with the evaporator through the heat 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, and the expander is connected with the compressor and the second compressor and transmits power to form a nuclear energy carrying same-photo-thermal 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 carrying and photo-thermal single-working-medium combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a regenerator, a condenser, an evaporator, a solar heat collection system, a second compressor and a nuclear reactor; the compressor is provided with a first steam channel which is communicated with the second expander through the heat 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 solar heat collection system, the condenser is provided with a condensate pipe which is communicated with the evaporator through the booster pump, then the evaporator is provided with a steam channel which is communicated with the solar heat collection system, the solar heat collection system is also provided with a steam channel which is communicated with the nuclear reactor through the second compressor, the nuclear reactor is also provided with a steam channel which is communicated with the expander, the expander is further provided with a low-pressure steam channel which is communicated with the evaporator after being communicated with the expander through the heat 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, and the expander is connected with the compressor and the second compressor and transmits power to form a nuclear energy carrying same-photo-thermal 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 carrying and photo-thermal single-working-medium 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 solar heat collection system, a second compressor, a nuclear reactor and a second heat regenerator; the compressor is provided with a first steam channel which is communicated with the second expander through the heat 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 solar heat collecting system, the condenser is provided with a condensate pipe which is communicated with the evaporator through the booster pump, then the evaporator is provided with a steam channel which is communicated with the solar heat collecting system, the solar heat collecting system is also provided with a steam channel which is communicated with the nuclear reactor through the second compressor and the second heat regenerator, the nuclear reactor is also provided with a steam channel which is communicated with the expander, the expander is also provided with a low-pressure steam channel which is communicated with the evaporator through the second heat regenerator and the heat 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, and the expander is connected with the compressor and the second compressor and transmits power to form a nuclear energy carrying same-photo-thermal 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 carrying and photo-thermal single-working-medium 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 solar heat collection system, a second compressor, a nuclear reactor and a second heat regenerator; the compressor is provided with a first steam channel which is communicated with the second expander through the heat 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 solar heat collecting system, the condenser is provided with a condensate pipe which is communicated with the evaporator through the booster pump, then the evaporator is provided with a steam channel which is communicated with the solar heat collecting system, the solar heat collecting system is also provided with a steam channel which is communicated with the nuclear reactor through the second heat regenerator and the second compressor, the nuclear reactor is also provided with a steam channel which is communicated with the expander, the expander is also provided with a low-pressure steam channel which is communicated with the evaporator through the second heat regenerator and the heat 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, and the expander is connected with the compressor and the second compressor and transmits power to form a nuclear energy carrying same-photo-thermal 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 carrying and photo-thermal single-working-medium 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 solar heat collection system, a second compressor, a nuclear reactor and a second heat regenerator; the compressor is provided with a first steam channel which is communicated with the second expander through the heat 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 solar heat collection system through the second heat regenerator, the condenser is provided with a condensate pipe which is communicated with the evaporator through the booster pump, the evaporator is further provided with a steam channel which is communicated with the solar heat collection system through the second heat regenerator, the solar heat collection system is also provided with a steam channel which is communicated with the nuclear reactor through the second compressor, the nuclear reactor is also provided with a steam channel which is communicated with the expander, the expander is also provided with a low-pressure steam channel which is communicated with the evaporator through the second heat regenerator and the heat 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, and the expander is connected with the compressor and the second compressor and transmits power to form a nuclear energy carrying same-photo-thermal 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 carrying and photo-thermal single-working-medium 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 solar heat collection system, a second compressor, a nuclear reactor and a second heat regenerator; the compressor is provided with a first steam channel which is communicated with the second expander through the heat 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 solar heat collecting system, the condenser is provided with a condensate pipe which is communicated with the evaporator through the booster pump, then the evaporator is provided with a steam channel which is communicated with the solar heat collecting system, the solar heat collecting system is also provided with a steam channel which is communicated with the nuclear reactor through the second compressor and the second heat regenerator, the nuclear reactor is also provided with a steam channel which is communicated with the expander, the expander is also provided with a low-pressure steam channel which is communicated with the evaporator through the heat regenerator after being communicated with the second heat 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, and the expander is connected with the compressor and the second compressor and transmits power to form a nuclear energy carrying same-photo-thermal 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 carrying and photo-thermal single-working-medium 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 solar heat collection system, a second compressor, a nuclear reactor and a second heat regenerator; the compressor is provided with a first steam channel which is communicated with the second expander through the heat 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 solar heat collecting system, the condenser is provided with a condensate pipe which is communicated with the evaporator through the booster pump, then the evaporator is provided with a steam channel which is communicated with the solar heat collecting system, the solar heat collecting system is also provided with a steam channel which is communicated with the nuclear reactor through the second heat regenerator and the second compressor, the nuclear reactor is also provided with a steam channel which is communicated with the expander, the expander is also provided with a low-pressure steam channel which is communicated with the evaporator through the heat regenerator after being communicated with the second heat 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, and the expander is connected with the compressor and the second compressor and transmits power to form a nuclear energy carrying same-photo-thermal 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 carrying and photo-thermal single-working-medium 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 solar heat collection system, a second compressor, a nuclear reactor and a second heat regenerator; the compressor is provided with a first steam channel which is communicated with the second expander through the heat 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 solar heat collection system through the second heat regenerator, the condenser is provided with a condensate pipe which is communicated with the evaporator through the booster pump, the evaporator is further provided with a steam channel which is communicated with the solar heat collection system through the second heat regenerator, the solar heat collection system is also provided with a steam channel which is communicated with the nuclear reactor through the second compressor, the nuclear reactor is also provided with a steam channel which is communicated with the expander, the expander is further provided with a low-pressure steam channel which is communicated with the evaporator through the heat regenerator after being communicated with the second heat 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, and the expander is connected with the compressor and the second compressor and transmits power to form a nuclear energy carrying same-photo-thermal 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 carrying and photo-thermal single-working-medium combined cycle steam power device is characterized in that in the nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power device in the 3 rd or 6 th, a second compressor with a steam channel is communicated with a nuclear reactor through a second heat regenerator, and the second compressor with the steam channel is adjusted to be communicated with the nuclear reactor after the second compressor with the steam channel is communicated with the second heat regenerator.

10. The nuclear energy carrying and photo-thermal 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 carrying and photo-thermal single-working-medium combined cycle steam power devices in the 1 st to the 9 th, a condenser condensate pipe is communicated with the booster pump and is adjusted to be communicated with the condenser condensate pipe, 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 carrying and photo-thermal single-working-medium combined cycle steam power device is formed.

11. The combined cycle steam power plant with the same photo-thermal single working medium is formed by adding a second evaporator and a diffusion pipe in any one of the combined cycle steam power plant with the same photo-thermal single working medium in the 1 st and the 3-9 th, adjusting the communication between a low-pressure steam channel of a regenerator and the evaporator to be the communication between the low-pressure steam channel of the regenerator and the second evaporator through the evaporator, adjusting the communication between the low-pressure steam channel of the second expander and the evaporator to be the communication between the low-pressure steam channel of the second expander and the second evaporator through the evaporator, adjusting the communication between the low-pressure steam channel of the evaporator and the compressor respectively to be the communication between the low-pressure steam channel of the second evaporator and the compressor respectively, adjusting the communication between the condensate pipe of the condenser and the evaporator to be the communication between the condensate pipe of the condenser and the second evaporator through the booster pump, and the diffusion pipe of the second evaporator to be the wet steam channel of the second evaporator.

12. The combined cycle steam power plant with the nuclear energy carrying and photo-thermal single working medium is characterized in that a second evaporator and a diffuser pipe are added in the combined cycle steam power plant with the nuclear energy carrying and photo-thermal single working medium in the 2 nd step, the low-pressure steam channel of the expander is communicated with the evaporator and is regulated to be communicated with the second evaporator through the evaporator, the low-pressure steam channel of the second expander is regulated to be communicated with the evaporator through the evaporator and is communicated with the second 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 condensate pipe of the condenser is regulated to be communicated with the second evaporator through the booster pump, and then the wet steam channel of the second evaporator is communicated with the evaporator through the diffuser pipe, so that the combined cycle steam power plant with the nuclear energy carrying and photo-thermal single working medium is formed.

13. The nuclear energy same-photothermal single-working-medium combined cycle steam power device is formed by adding an expansion speed increaser and replacing an expansion machine, adding a second expansion speed increaser and replacing a second expansion machine, adding a dual-energy compressor and replacing a compressor, adding a newly added diffuser pipe and replacing a booster pump, adding a second dual-energy compressor and replacing a second compressor in any one of the nuclear energy same-photothermal single-working-medium combined cycle steam power devices of the 1 st to 12 th.

Description of the drawings:

FIG. 1 is a schematic thermodynamic system diagram of a nuclear power carrying photo-thermal single-working-medium combined cycle steam power plant according to the invention.

FIG. 2 is a schematic thermodynamic system diagram of a nuclear power-carrying photo-thermal single-working-medium combined cycle steam power plant according to the invention.

FIG. 3 is a schematic thermodynamic system diagram of a nuclear power-carrying photo-thermal single-working-medium combined cycle steam power plant according to the invention.

FIG. 4 is a schematic thermodynamic system diagram of a nuclear power-carrying photo-thermal single-working-medium combined cycle steam power plant according to the 4 th principle.

FIG. 5 is a schematic thermodynamic system diagram of a nuclear power-carrying photo-thermal single-working-medium combined cycle steam power plant according to the invention.

FIG. 6 is a schematic thermodynamic system diagram of a nuclear power-carrying photo-thermal single-working-medium combined cycle steam power plant according to the invention.

FIG. 7 is a schematic diagram of a 7 th principle thermodynamic system of a nuclear power-carrying photo-thermal single-working-medium combined cycle steam power plant according to the present invention.

FIG. 8 is a schematic diagram of an 8 th principle thermodynamic system of a nuclear power-carrying photo-thermal single-working-medium combined cycle steam power plant according to the present invention.

FIG. 9 is a schematic thermodynamic system diagram of a nuclear power-carrying photo-thermal single-working-medium combined cycle steam power plant according to the 9 th principles of the present invention.

FIG. 10 is a schematic diagram of a 10 th principle thermodynamic system of a nuclear power-carrying photo-thermal 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-carrying photo-thermal single-working-medium combined cycle steam power plant according to the 11 th principles of the present invention.

FIG. 12 is a schematic diagram of a 12 th principle thermodynamic system of a nuclear power-carrying photo-thermal single-working-medium combined cycle steam power plant according to the present invention.

In the figure, a 1-expander, a 2-second expander, a 3-compressor, a 4-booster pump, a 5-regenerator, a 6-condenser, a 7-evaporator, an 8-solar heat collection system, a 9-second compressor, a 10-nuclear reactor, a 11-second regenerator, a 12-second booster pump, a 13-low temperature regenerator, a 14-second evaporator and a 15-diffuser pipe 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 through the nuclear reaction is first supplied to a circuit cooling medium and then supplied by the circuit cooling medium through a heat exchanger to the circulating fluid flowing through the nuclear reactor-this means that the heat exchanger is considered to be an integral part of the nuclear reactor 10.

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) It is apparent that solar energy collection systems in a broader sense include various systems that employ various means and devices to convert solar energy into thermal energy at different temperatures.

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

(4) There are two main types of heat supply modes of solar heat collection systems at present: firstly, the high-temperature heat energy converted by solar energy is directly supplied to a circulating working medium flowing through a solar heat collection system; and secondly, high-temperature heat energy converted from solar energy is firstly provided for a working medium of a self-circulation loop, and then the working medium is provided for a circulation working medium flowing through a solar heat collection system through a 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 carrying and photo-thermal 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 solar heat collection system, a second compressor and a nuclear reactor; the compressor 3 is provided with a first steam channel which is communicated with the second expander 2 through the heat regenerator 5, the second expander 2 is also provided with a low-pressure steam channel which is communicated with the evaporator 7, the compressor 3 is also provided with a second steam channel which is communicated with the solar heat collection system 8, the condenser 6 is provided with a condensate pipe which is communicated with the evaporator 7 through the booster pump 4, the evaporator 7 is further provided with a steam channel which is communicated with the solar heat collection system 8, the solar heat collection system 8 is also provided with a steam channel which is communicated with the nuclear reactor 10 through the second compressor 9, the nuclear reactor 10 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 heat 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 is also provided with a cooling 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, 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 is subjected to heat absorption and heating through the heat regenerator 5 and is subjected to depressurization and power generation through the second expander 2 and then is provided for the evaporator 7, and the second path is subjected to heat absorption and heating through the solar heat collection system 8 after the boosting and heating are continued; the condensate discharged by the condenser 6 is boosted by the booster pump 4, is absorbed by the evaporator 7 to be heated and vaporized, and then enters the solar heat collection system 8 to absorb heat to be heated; the second compressor 9 of the steam discharged by the solar heat collection system 8 is boosted and heated, absorbs heat and heats up through the nuclear reactor 10, reduces pressure and works through the expander 1, releases heat and cools down through the heat regenerator 5, and then is provided for 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; solar energy provides a driving heat load through a solar heat collection system 8, nuclear fuel provides a driving heat load through a nuclear reactor 10, and a cooling medium takes away a low-temperature heat load through a condenser 6; 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 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 carrying and photo-thermal single-working-medium combined cycle steam power device is formed.

The nuclear energy carrying and photo-thermal 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 solar heat collection system, a second compressor and a nuclear reactor; the compressor 3 is provided with a first steam channel which is communicated with the second expander 2 through the heat regenerator 5, the second expander 2 is also provided with a low-pressure steam channel which is communicated with the evaporator 7, the compressor 3 is also provided with a second steam channel which is communicated with the solar heat collection system 8, the condenser 6 is provided with a condensate pipe which is communicated with the evaporator 7 through the booster pump 4, then the evaporator 7 is further provided with a steam channel which is communicated with the solar heat collection system 8, the solar heat collection system 8 is also provided with a steam channel which is communicated with the nuclear reactor 10 through the second compressor 9, the nuclear reactor 10 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 after the steam channel is communicated with the heat regenerator 5, and the evaporator 7 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 3 and a second path which is communicated with the condenser 6; the condenser 6 is also provided with a cooling 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, compared with the nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power plant shown in fig. 1, the difference is that: the steam discharged by the nuclear reactor 10 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 carrying same-photo-thermal single-working-medium combined cycle steam power device.

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

(1) Structurally, the system mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a solar heat collection system, a second compressor, a nuclear reactor and a second heat regenerator; the compressor 3 is provided with a first steam channel which is communicated with the second expander 2 through the heat regenerator 5, the second expander 2 is also provided with a low-pressure steam channel which is communicated with the evaporator 7, the compressor 3 is also provided with a second steam channel which is communicated with the solar heat collecting system 8, the condenser 6 is provided with a condensate pipe which is communicated with the evaporator 7 through the booster pump 4, then the evaporator 7 is further provided with a steam channel which is communicated with the solar heat collecting system 8, the solar heat collecting system 8 is also provided with a steam channel which is communicated with the nuclear reactor 10 through the second compressor 9 and the second heat regenerator 11, the nuclear reactor 10 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 second heat regenerator 11 and the heat regenerator 5, and the evaporator 7 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 3 and a second path which is communicated with the condenser 6; the condenser 6 is also provided with a cooling 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, compared with the nuclear energy carrying and photo-thermal 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 11 and the nuclear reactor 10, is subjected to depressurization and work through the expander 1, is gradually released in heat and reduced in temperature through the second heat regenerator 11 and the heat regenerator 5, and is then supplied to the evaporator 7, so that the nuclear energy carrying photo-thermal single-working-medium combined cycle steam power device is formed.

The nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power device shown in fig. 4 is realized by the following steps:

(1) Structurally, the system mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a solar heat collection system, a second compressor, a nuclear reactor and a second heat regenerator; the compressor 3 is provided with a first steam channel which is communicated with the second expander 2 through the heat regenerator 5, the second expander 2 is also provided with a low-pressure steam channel which is communicated with the evaporator 7, the compressor 3 is also provided with a second steam channel which is communicated with the solar heat collecting system 8, the condenser 6 is provided with a condensate pipe which is communicated with the evaporator 7 through the booster pump 4, then the evaporator 7 is further provided with a steam channel which is communicated with the solar heat collecting system 8, the solar heat collecting system 8 is also provided with a steam channel which is communicated with the nuclear reactor 10 through the second heat regenerator 11 and the second compressor 9, the nuclear reactor 10 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 second heat regenerator 11 and the heat regenerator 5, and the evaporator 7 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 3 and a second path which is communicated with the condenser 6; the condenser 6 is also provided with a cooling 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, compared with the nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power plant shown in fig. 1, the difference is that: steam discharged by the solar heat collection system 8 is subjected to heat absorption and temperature rise through the second heat regenerator 11, is subjected to pressure rise and temperature rise through the second compressor 9, is subjected to heat absorption and temperature rise through the nuclear reactor 10, is subjected to depressurization and work through the expander 1, is subjected to gradual heat release and temperature reduction through the second heat regenerator 11 and the heat regenerator 5, and is then supplied to the evaporator 7 to form the nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power device.

The nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power device shown in fig. 5 is realized by the following steps:

(1) Structurally, the system mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a solar heat collection system, a second compressor, a nuclear reactor and a second heat regenerator; the compressor 3 is provided with a first steam channel which is communicated with the second expander 2 through the heat regenerator 5, the second expander 2 is also provided with a low-pressure steam channel which is communicated with the evaporator 7, the compressor 3 is also provided with a second steam channel which is communicated with the solar heat collection system 8 through the second heat regenerator 11, the condenser 6 is provided with a condensate pipe which is communicated with the evaporator 7 through the booster pump 4, then the evaporator 7 is further provided with a steam channel which is communicated with the solar heat collection system 8 through the second heat regenerator 11, the solar heat collection system 8 is also provided with a steam channel which is communicated with the nuclear reactor 10 through the second compressor 9, the nuclear reactor 10 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 second heat regenerator 11 and the heat regenerator 5, and 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 is also provided with a cooling 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, compared with the nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power plant shown in fig. 1, the difference is that: the high-pressure steam discharged by the evaporator 7 and the compressor 3 flows through the second heat regenerator 11 to absorb heat and raise temperature, and is then supplied to the solar heat collection system 8; the low-pressure steam discharged by the expander 1 flows through the second heat regenerator 11, the heat regenerator 5 and the evaporator 7 to release heat and cool gradually, and then respectively enters the compressor 3 to raise the pressure and raise the temperature and enters the condenser 6 to release heat and condense, so that the nuclear energy carrying same-photo-thermal single-working-medium combined cycle steam power device is formed.

The nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power device shown in fig. 6 is realized by the following steps:

(1) Structurally, the system mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a solar heat collection system, a second compressor, a nuclear reactor and a second heat regenerator; the compressor 3 is provided with a first steam channel which is communicated with the second expander 2 through the heat regenerator 5, the second expander 2 is also provided with a low-pressure steam channel which is communicated with the evaporator 7, the compressor 3 is also provided with a second steam channel which is communicated with the solar heat collecting system 8, the condenser 6 is provided with a condensate pipe which is communicated with the evaporator 7 through the booster pump 4, then the evaporator 7 is further provided with a steam channel which is communicated with the solar heat collecting system 8, the solar heat collecting system 8 is also provided with a steam channel which is communicated with the nuclear reactor 10 through the second compressor 9 and the second heat regenerator 11, the nuclear reactor 10 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 heat regenerator 5 after the steam channel is communicated with the expander 1, and the evaporator 7 is also provided with the 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 is also provided with a cooling 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, compared with the nuclear energy carrying and photo-thermal 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 11 and the nuclear reactor 10, 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 11 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 carrying and photo-thermal single-working-medium combined cycle steam power device.

The nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power device shown in fig. 7 is realized by the following steps:

(1) Structurally, the system mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a solar heat collection system, a second compressor, a nuclear reactor and a second heat regenerator; the compressor 3 is provided with a first steam channel which is communicated with the second expander 2 through the heat regenerator 5, the second expander 2 is also provided with a low-pressure steam channel which is communicated with the evaporator 7, the compressor 3 is also provided with a second steam channel which is communicated with the solar heat collection system 8, the condenser 6 is provided with a condensate pipe which is communicated with the evaporator 7 through the booster pump 4, then the evaporator 7 is further provided with a steam channel which is communicated with the solar heat collection system 8, the solar heat collection system 8 is also provided with a steam channel which is communicated with the nuclear reactor 10 through the second heat regenerator 11 and the second compressor 9, the nuclear reactor 10 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 heat regenerator 5 after the steam channel is communicated with the expander 1, and the evaporator 7 is also provided with the 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 is also provided with a cooling 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, compared with the nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power plant shown in fig. 1, the difference is that: steam discharged by the solar heat collection system 8 flows through the second heat regenerator 11 to absorb heat and raise temperature, and then is provided for the second compressor 9; the steam discharged by the nuclear reactor 10 enters the expander 1 to perform depressurization and work to a certain extent, then flows through the second heat regenerator 11 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 carrying photo-thermal single-working-medium combined cycle steam power plant.

The nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power device shown in fig. 8 is realized by the following steps:

(1) Structurally, the system mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a solar heat collection system, a second compressor, a nuclear reactor and a second heat regenerator; the compressor 3 is provided with a first steam channel which is communicated with the second expander 2 through the heat regenerator 5, the second expander 2 is also provided with a low-pressure steam channel which is communicated with the evaporator 7, the compressor 3 is also provided with a second steam channel which is communicated with the solar heat collection system 8 through the second heat regenerator 11, the condenser 6 is provided with a condensate pipeline which is communicated with the evaporator 7 through the booster pump 4, then the evaporator 7 is further provided with a steam channel which is communicated with the solar heat collection system 8 through the second heat regenerator 11, the solar heat collection system 8 is also provided with a steam channel which is communicated with the nuclear reactor 10 through the second compressor 9, the nuclear reactor 10 is also provided with a steam channel which is communicated with the expander 1, the expander 1 is further provided with a low-pressure steam channel which is communicated with the evaporator 7 through the heat regenerator 5 after the steam channel is communicated with the expander 1, and the evaporator 7 is further 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 is also provided with a cooling 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, compared with the nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power plant shown in fig. 1, the difference is that: the high-pressure steam discharged by the evaporator 7 and the compressor 3 flows through the second heat regenerator 11 to absorb heat and raise temperature, and is then supplied to the solar heat collection system 8; the steam discharged by the nuclear reactor 10 enters the expander 1 to perform depressurization and work to a certain extent, then flows through the second heat regenerator 11 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 a nuclear energy carrying photo-thermal single-working medium combined cycle steam power device is formed.

The nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power device shown in fig. 9 is realized by the following steps:

(1) Structurally, in the nuclear power carrying photo-thermal single-working-medium combined cycle steam power plant shown in fig. 3, a steam channel of the second compressor 9 is communicated with the nuclear reactor 10 through the second heat regenerator 11, so that the second compressor 9 is adjusted to be communicated with the nuclear reactor 10 through the second heat regenerator 11 after the steam channel of the second compressor 9 is communicated with the nuclear reactor itself.

(2) In the flow, compared with the nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power plant shown in fig. 3, the difference is that: the steam discharged by the solar heat collection system 8 enters the second compressor 9 to be boosted and heated to a certain extent, then flows through the second heat regenerator 11 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 nuclear reactor 10 to form the nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power plant.

The nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power device shown in fig. 10 is realized by the following steps:

(1) Structurally, in the nuclear energy same-photo-thermal single-working-medium 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 13 through a second booster pump 12, a steam extraction channel is additionally arranged on a compressor 3 and is communicated with the low-temperature heat regenerator 13, and the low-temperature heat regenerator 13 is further communicated with the booster pump 4 through a condensate pipe.

(2) In the flow, compared with the nuclear energy carrying and photo-thermal 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 12 to be boosted and then enters the low-temperature regenerator 13 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 13 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 13, 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 solar heat collection system 8, so that the nuclear energy carrying same-photo-thermal single-working-medium combined cycle steam power device is formed.

The nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power device shown in fig. 11 is realized by the following steps:

(1) In the combined cycle steam power plant with the nuclear energy carrying and photo-thermal single working medium shown in fig. 1, a second evaporator and a diffusion 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 a second evaporator 14 through the evaporator 7, the communication between the low-pressure steam channel of a 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 14 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 14 is respectively communicated with the compressor 3 and the condenser 6, the communication between the condenser 6 and the condenser 6 is adjusted to be that the condensate channel of the condenser 6 is communicated with the second evaporator 14 through the booster pump 4, and the second evaporator 14 is further communicated with the evaporator 7 through the diffusion pipe 15.

(2) In the flow, compared with the nuclear energy carrying and photo-thermal 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 absorbed by the second evaporator 14 to be warmed, partially vaporized and accelerated, is reduced in speed and boosted by the diffuser pipe 15, and then enters the evaporator 7 to absorb heat and vaporize; 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 14, 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 carrying same-photo-thermal single-working-medium combined cycle steam power device is formed.

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

(1) Structurally, in the nuclear energy same-photo-thermal single-working-medium combined cycle steam power plant shown in fig. 1, an expansion speed increaser A is added to replace an expander 1, a second expansion speed increaser B is added to replace a second expander 2, a dual-energy compressor C is added to replace a compressor 3, a newly added diffuser pipe D is added to replace a booster pump 4, and a second dual-energy compressor E is added to replace a second compressor 9.

(2) In the flow, compared with the nuclear energy carrying and photo-thermal 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 is subjected to heat absorption and heating through the heat regenerator 5, and the second path is subjected to depressurization, work and acceleration through the second expansion speed increaser B and then is provided for the evaporator 7, and the second path is subjected to heat absorption and heating through the solar heat collection system 8 after the second path is subjected to continuous boosting and heating; 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 raise temperature and vaporize, and then enters the solar heat collection system 8 to absorb heat and raise temperature; the steam discharged by the solar heat collection system 8 is boosted, warmed and slowed down by the second dual-energy compressor E, absorbed by the nuclear reactor 10, warmed, depressurized, acted and slowed down by the expansion speed increaser A, released by the heat regenerator 5, cooled and then provided for 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 carrying same-photo-thermal single-working-medium combined cycle steam power device.

The nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power device has the following effects and advantages:

(1) The nuclear energy and photo-thermal sharing integrated thermal power system combines the thermal power systems of different driving energy into a whole, saves the construction cost of the thermal power system and has high cost performance.

(2) And between nuclear energy and photo-thermal, cross-type and cross-grade energy carrying is realized, the connection is flexible, and the thermodynamic perfection is high.

(3) The nuclear energy and the photo-thermal provide drive heat load links, the temperature difference loss is small, and the thermodynamic perfection is high.

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

(5) 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.

(6) The photo-thermal device 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 carrying same photo-thermal single-working-medium combined cycle steam power device.

(7) 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.

(8) 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 obviously 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; the method is beneficial to improving the reasonable utilization level of energy and expanding the application range of the nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power device.

Claims (13)

1. The nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a regenerator, a condenser, an evaporator, a solar heat collection system, a second compressor and a nuclear reactor; the compressor (3) is provided with a first steam channel which is communicated with the second expander (2) through the heat regenerator (5), the second expander (2) is also provided with a low-pressure steam channel which is communicated with the evaporator (7), the compressor (3) is also provided with a second steam channel which is communicated with the solar heat collection system (8), the condenser (6) is provided with a condensate pipeline which is communicated with the evaporator (7) through the booster pump (4), the evaporator (7) is further provided with a steam channel which is communicated with the solar heat collection system (8), the solar heat collection system (8) is also provided with a steam channel which is communicated with the nuclear reactor (10) through the second compressor (9), the nuclear reactor (10) 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 heat regenerator (5), and the evaporator (7) 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 (3) and a second path which is communicated with the condenser (6); the condenser (6) is also provided with a cooling medium channel which is communicated with the outside, the expander (1) is connected with the compressor (3) and the second compressor (9) and transmits power to form a nuclear energy carrying same-photo-thermal 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 carrying and photo-thermal single-working-medium combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a regenerator, a condenser, an evaporator, a solar heat collection system, a second compressor and a nuclear reactor; the compressor (3) is provided with a first steam channel which is communicated with the second expander (2) through the heat regenerator (5), the second expander (2) is also provided with a low-pressure steam channel which is communicated with the evaporator (7), the compressor (3) is also provided with a second steam channel which is communicated with the solar heat collection system (8), the condenser (6) is provided with a condensate pipeline which is communicated with the evaporator (7) through the booster pump (4), the evaporator (7) is further provided with a steam channel which is communicated with the solar heat collection system (8), the solar heat collection system (8) is also provided with a steam channel which is communicated with the nuclear reactor (10) through the second compressor (9), the nuclear reactor (10) is also provided with a steam channel which is communicated with the expander (1), the expander (1) is further provided with a low-pressure steam channel which is communicated with the evaporator (7) after the expander (5) is communicated with the evaporator, and the low-pressure steam channel which is divided into two paths, namely the first path which is communicated with the compressor (3) and the second path which is communicated with the condenser (6); the condenser (6) is also provided with a cooling medium channel which is communicated with the outside, the expander (1) is connected with the compressor (3) and the second compressor (9) and transmits power to form a nuclear energy carrying same-photo-thermal 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 carrying and photo-thermal single-working-medium 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 solar heat collection system, a second compressor, a nuclear reactor and a second heat regenerator; the compressor (3) is provided with a first steam channel which is communicated with the second expander (2) through the heat regenerator (5), the second expander (2) is also provided with a low-pressure steam channel which is communicated with the evaporator (7), the compressor (3) is also provided with a second steam channel which is communicated with the solar heat collection system (8), the condenser (6) is provided with a condensate pipeline which is communicated with the evaporator (7) through the booster pump (4), the evaporator (7) is further provided with a steam channel which is communicated with the solar heat collection system (8), the solar heat collection system (8) is also provided with a steam channel which is communicated with the nuclear reactor (10) through the second compressor (9) and the second heat regenerator (11), the nuclear reactor (10) 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 second heat regenerator (11) and the evaporator (5), and the evaporator (7) 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 (3) and the second path which is communicated with the condenser (6); the condenser (6) is also provided with a cooling medium channel which is communicated with the outside, the expander (1) is connected with the compressor (3) and the second compressor (9) and transmits power to form a nuclear energy carrying same-photo-thermal 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 carrying and photo-thermal single-working-medium 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 solar heat collection system, a second compressor, a nuclear reactor and a second heat regenerator; the compressor (3) is provided with a first steam channel which is communicated with the second expander (2) through the heat regenerator (5), the second expander (2) is also provided with a low-pressure steam channel which is communicated with the evaporator (7), the compressor (3) is also provided with a second steam channel which is communicated with the solar heat collection system (8), the condenser (6) is provided with a condensate pipeline which is communicated with the evaporator (7) through the booster pump (4), the evaporator (7) is further provided with a steam channel which is communicated with the solar heat collection system (8), the solar heat collection system (8) is also provided with a steam channel which is communicated with the nuclear reactor (10) through the second heat regenerator (11) and the second compressor (9), the nuclear reactor (10) 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 second heat regenerator (11) and the evaporator (5), and the evaporator (7) 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 (3) and the second path which is communicated with the condenser (6); the condenser (6) is also provided with a cooling medium channel which is communicated with the outside, the expander (1) is connected with the compressor (3) and the second compressor (9) and transmits power to form a nuclear energy carrying same-photo-thermal 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 carrying and photo-thermal single-working-medium 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 solar heat collection system, a second compressor, a nuclear reactor and a second heat regenerator; the compressor (3) is provided with a first steam channel which is communicated with the second expander (2) through the heat regenerator (5), the second expander (2) is also provided with a low-pressure steam channel which is communicated with the evaporator (7), the compressor (3) is also provided with a second steam channel which is communicated with the solar heat collection system (8) through the second heat regenerator (11), the condenser (6) is provided with a condensate pipeline which is communicated with the evaporator (7) through the booster pump (4), the evaporator (7) is further provided with a steam channel which is communicated with the solar heat collection system (8) through the second heat regenerator (11), the solar heat collection system (8) is also provided with a steam channel which is communicated with the nuclear reactor (10) through the second compressor (9), the nuclear reactor (10) 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 second heat regenerator (11), and the evaporator (7) 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 (3) and the second path which is communicated with the condenser (6); the condenser (6) is also provided with a cooling medium channel which is communicated with the outside, the expander (1) is connected with the compressor (3) and the second compressor (9) and transmits power to form a nuclear energy carrying same-photo-thermal 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 carrying and photo-thermal single-working-medium 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 solar heat collection system, a second compressor, a nuclear reactor and a second heat regenerator; the compressor (3) is provided with a first steam channel which is communicated with the second expander (2) through the heat regenerator (5), the second expander (2) is also provided with a low-pressure steam channel which is communicated with the evaporator (7), the compressor (3) is also provided with a second steam channel which is communicated with the solar heat collection system (8), the condenser (6) is provided with a condensate pipeline which is communicated with the evaporator (7) through the booster pump (4), the evaporator (7) is further provided with a steam channel which is communicated with the solar heat collection system (8), the solar heat collection system (8) is also provided with a steam channel which is communicated with the nuclear reactor (10) through the second compressor (9) and the second heat regenerator (11), the nuclear reactor (10) 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 second heat regenerator (11), 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 evaporator (6); the condenser (6) is also provided with a cooling medium channel which is communicated with the outside, the expander (1) is connected with the compressor (3) and the second compressor (9) and transmits power to form a nuclear energy carrying same-photo-thermal 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 carrying and photo-thermal single-working-medium 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 solar heat collection system, a second compressor, a nuclear reactor and a second heat regenerator; the compressor (3) is provided with a first steam channel which is communicated with the second expander (2) through the heat regenerator (5), the second expander (2) is also provided with a low-pressure steam channel which is communicated with the evaporator (7), the compressor (3) is also provided with a second steam channel which is communicated with the solar heat collection system (8), the condenser (6) is provided with a condensate pipeline which is communicated with the evaporator (7) through the booster pump (4), the evaporator (7) is further provided with a steam channel which is communicated with the solar heat collection system (8), the solar heat collection system (8) is also provided with a steam channel which is communicated with the nuclear reactor (10) through the second heat regenerator (11) and the second compressor (9), the nuclear reactor (10) 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 second heat regenerator (11), 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 evaporator (6); the condenser (6) is also provided with a cooling medium channel which is communicated with the outside, the expander (1) is connected with the compressor (3) and the second compressor (9) and transmits power to form a nuclear energy carrying same-photo-thermal 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 carrying and photo-thermal single-working-medium 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 solar heat collection system, a second compressor, a nuclear reactor and a second heat regenerator; the compressor (3) is provided with a first steam channel which is communicated with the second expander (2) through the heat regenerator (5), the second expander (2) is also provided with a low-pressure steam channel which is communicated with the evaporator (7), the compressor (3) is also provided with a second steam channel which is communicated with the solar heat collection system (8) through the second heat regenerator (11), the condenser (6) is provided with a condensate pipeline which is communicated with the evaporator (7) through the booster pump (4), the evaporator (7) is further provided with a steam channel which is communicated with the solar heat collection system (8) through the second heat regenerator (11), the solar heat collection system (8) is also provided with a steam channel which is communicated with the nuclear reactor (10) through the second compressor (9), the nuclear reactor (10) is also provided with a steam channel which is communicated with the expander (1), the expander (1) is further provided with a low-pressure steam channel which is communicated with the evaporator (7) through the heat regenerator (5), and the evaporator (7) is also provided with a low-pressure steam channel which is respectively communicated with the first path (3) and the second path (6) and the evaporator (6); the condenser (6) is also provided with a cooling medium channel which is communicated with the outside, the expander (1) is connected with the compressor (3) and the second compressor (9) and transmits power to form a nuclear energy carrying same-photo-thermal 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 carrying and photo-thermal 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 nuclear reactor (10) through the second heat regenerator (11), and the second compressor (9) is regulated to be communicated with the nuclear reactor (10) through the steam channel of the second heat regenerator (11) after the steam channel of the second compressor (9) is communicated with the nuclear reactor (10) again, so that the nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power device is formed.

10. In the nuclear energy same-photothermal single-working-medium combined cycle steam power device, a second booster pump and a low-temperature heat regenerator are added in any one of the nuclear energy same-photothermal single-working-medium combined cycle steam power devices in claims 1-9, a condenser (6) is communicated with a condensate pipe and the booster pump (4) and is adjusted to be communicated with the low-temperature heat regenerator (13) through the second booster pump (12), a steam extraction channel is additionally arranged in the compressor (3) and is communicated with the low-temperature heat regenerator (13), and the low-temperature heat regenerator (13) is further communicated with the condensate pipe and the booster pump (4) to form the nuclear energy same-photothermal single-working-medium combined cycle steam power device.

11. In the nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power device, a second evaporator and a diffusion pipe are added in any one of the nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power devices in claims 1 and 3-9, a low-pressure steam channel of a regenerator (5) is communicated with the evaporator (7) and is regulated to be communicated with the second evaporator (14) 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 low-pressure steam channel of the second evaporator (14) through the evaporator (7), the second evaporator (14) 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 boost pump (4) and is regulated to be communicated with the condenser (6) through the pressure boost pump (4) and is communicated with the condenser (6) through the second evaporator (14) through the pressure boost pump (4), and then the condensate pipe of the condenser (6) is communicated with the second evaporator (14) through the pressure boost pump (14) and is communicated with the evaporator (6) through the second evaporator (14) respectively.

12. In the nuclear energy carrying and photo-thermal single-working-medium combined cycle steam power device, a second evaporator and a diffuser pipe are added in the nuclear energy carrying and photo-thermal 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 (14) through the evaporator (7), the low-pressure steam channel of the 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 (14) through the low-pressure steam channel of the second evaporator (14), a condensate liquid pipeline 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 condensate liquid pipeline (4) and the second evaporator (14) and is communicated with the second evaporator (14) through the evaporator (14), and the single-working-medium combined cycle steam power device can be formed after the condensate liquid is communicated with the second evaporator (14) through the evaporator (14).

13. In the nuclear energy same-photothermal single-working-medium combined cycle steam power device, an expansion speed increaser (A) is added and replaces an expansion machine (1), a second expansion speed increaser (B) is added and replaces a second expansion machine (2), a dual-energy compressor (C) is added and replaces a compressor (3), a newly added diffuser pipe (D) is added and replaces a booster pump (4), a second dual-energy compressor (E) is added and replaces a second compressor (9) to form the nuclear energy same-photothermal single-working-medium combined cycle steam power device.