CN117927332A

CN117927332A - Hydrogen energy type multifunctional single-working-medium combined cycle steam power device

Info

Publication number: CN117927332A
Application number: CN202410133056.8A
Authority: CN
Inventors: 李鸿瑞; 李华玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-01-29
Filing date: 2024-01-27
Publication date: 2024-04-26

Abstract

The invention provides a hydrogen energy type multifunctional single-working-medium combined cycle steam power device, and belongs to the technical field of thermodynamics and thermal power. The outside has hydrogen, oxygen channel and combustion chamber to communicate, the compressor has the first steam channel to communicate with evaporator through regenerator and second expander, the compressor has the 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 the steam channel to communicate with combustion chamber through second compressor and solar energy heat collecting system, the combustion chamber has the steam channel to communicate with evaporator through expander and regenerator, the evaporator has the low-pressure steam channel to communicate with compressor and condenser separately, the condenser has the condensed water pipeline to communicate with outside; 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 hydrogen energy type multifunctional single-working-medium combined cycle steam power device.

Description

Hydrogen 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 hydrogen fuel and the photo-thermal energy, and the conventional heat resources represented by industrial waste heat and geothermal energy can realize thermal work; the same or different thermal power principles are adopted, and different system devices are utilized to pay corresponding construction cost, so that conversion of hydrogen fuel, photo-thermal or conventional thermal resources into mechanical energy is realized; therefore, it is of positive interest to try to reduce the number of thermal power devices.

The hydrogen is a high-quality and high-grade fuel, and the pure oxygen is adopted for combustion supporting, so that the generation and the emission of any pollutant can be avoided; limited by factors such as working principle, working medium property, material property and equipment, the hydrogen combustion process has irreversible temperature difference loss, the power application value of photo-thermal is not fully exerted, the cost performance is to be improved, and the heat change work efficiency of conventional heat resources represented by industrial waste heat and geothermal heat has room for improvement.

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 hydrogen energy type multifunctional single-working-medium combined cycle steam power device which realizes cascade carrying among hydrogen energy, photo-thermal and conventional heat resources or among hydrogen energy, high-temperature photo-thermal and intermediate-temperature photo-thermal, has flexible connection between photo-thermal and conventional heat resources and between high-temperature photo-thermal and intermediate-temperature photo-thermal, reasonable flow, simple structure, small irreversible loss of systematic temperature difference of a thermal power device, reasonable thermodynamic perfection and high cost performance.

The invention comprises the following steps:

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

1. The hydrogen energy type multifunctional 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 heat source heat exchanger, a second compressor, a solar heat collection system and a combustion chamber; the outside has hydrogen channel to communicate with combustion chamber, the outside has oxygen channel to communicate with combustion chamber, the compressor has first steam channel to communicate with second expander through the regenerator, the second expander has low-pressure steam channel to communicate with evaporator, the compressor has second steam channel to communicate with heat source heat exchanger, the condenser has condensed water pipeline to communicate with evaporator through booster pump, the evaporator has steam channel to communicate with heat source heat exchanger again, the heat source heat exchanger has steam channel to communicate with combustion chamber through second compressor and solar energy heat collecting system, the combustion chamber has steam channel to communicate with expander, the expander has low-pressure steam channel to communicate with evaporator through the regenerator, the evaporator has low-pressure steam channel to divide into two ways-the first way is communicated with compressor and the second way is communicated with condenser, the condenser has condensed water pipeline to communicate with outside; 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 the hydrogen energy type multifunctional 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 hydrogen energy type multifunctional 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 heat source heat exchanger, a second compressor, a solar heat collection system and a combustion chamber; the outside has hydrogen channel to communicate with combustion chamber, the outside has oxygen channel to communicate with combustion chamber, the compressor has first steam channel to communicate with second expander through the regenerator, the second expander has low-pressure steam channel to communicate with evaporator, the compressor has second steam channel to communicate with heat source heat exchanger, the condenser has condensed water pipeline to communicate with evaporator through booster pump, the evaporator has steam channel to communicate with heat source heat exchanger again, the heat source heat exchanger has steam channel to communicate with combustion chamber through second compressor and solar energy heat collecting system, the combustion chamber has steam channel to communicate with expander, the expander has steam channel to communicate with oneself after the regenerator communicates with expander, the expander has low-pressure steam channel to communicate with evaporator again, the evaporator has low-pressure steam channel to divide into two ways-the first way communicates with compressor and the second way communicates with condenser, the condenser has condensed water pipeline to communicate with outside; 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 the hydrogen energy type multifunctional 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 hydrogen energy type multifunctional 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 heat source heat exchanger, a second compressor, a solar heat collection system, a combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel which is communicated with the combustion chamber, the outside is provided with an oxygen channel which is communicated with the combustion chamber, 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 heat source heat exchanger, the condenser is provided with a condensate water pipeline which is communicated with the evaporator through the booster pump, the evaporator is provided with a steam channel which is communicated with the heat source heat exchanger, the heat source heat exchanger is provided with a steam channel which is communicated with the combustion chamber through the second compressor, the second heat regenerator and the solar heat collecting system, the combustion chamber 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 second heat regenerator and the heat regenerator, the evaporator is 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, and a condensate water pipeline which is communicated with the outside; 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 the hydrogen energy type multifunctional 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 hydrogen energy type multifunctional 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 heat source heat exchanger, a second compressor, a solar heat collection system, a combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel which is communicated with the combustion chamber, the outside is provided with an oxygen channel which is communicated with the combustion chamber, 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 heat source heat exchanger, the condenser is provided with a condensate water pipeline which is communicated with the evaporator through the booster pump, the evaporator is provided with a steam channel which is communicated with the heat source heat exchanger, the heat source heat exchanger is provided with a steam channel which is communicated with the combustion chamber through the second heat regenerator, the second compressor and the solar heat collecting system, the combustion chamber 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 second heat regenerator and the heat regenerator, the evaporator is 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, and a condensate water pipeline which is communicated with the outside; 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 the hydrogen energy type multifunctional 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 hydrogen energy type multifunctional 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 heat source heat exchanger, a second compressor, a solar heat collection system, a combustion chamber and a second heat regenerator; the outside has hydrogen channel and combustion chamber to communicate, the outside has oxygen channel and combustion chamber to communicate, 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 through the second regenerator, the condenser has condensed water pipeline to communicate with evaporator through booster pump, evaporator has steam channel and heat source heat exchanger to communicate through the second regenerator again after the evaporator, the heat source heat exchanger has steam channel to communicate with combustion chamber through the second compressor and solar energy heat collecting system, the combustion chamber 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-way-the first way is communicated with compressor and the second way is communicated with condenser, the condenser has condensed water pipeline to communicate with outside; 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 the hydrogen energy type multifunctional 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 hydrogen energy type multifunctional 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 heat source heat exchanger, a second compressor, a solar heat collection system, a combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel which is communicated with the combustion chamber, the outside is provided with an oxygen channel which is communicated with the combustion chamber, the compressor is provided with a first steam channel which is communicated with a second expander through a heat regenerator, the second expander is provided with a low-pressure steam channel which is communicated with an evaporator, the compressor is provided with a second steam channel which is communicated with a heat source heat exchanger, the condenser is provided with a condensed water pipeline which is communicated with the evaporator through a booster pump, the evaporator is provided with a steam channel which is communicated with the heat source heat exchanger, the heat source heat exchanger is provided with a steam channel which is communicated with the combustion chamber through the second compressor, the second heat regenerator and a solar heat collecting system, the combustion chamber is provided with a steam channel which is communicated with an expander, the expander is provided with a low-pressure steam channel which is communicated with the evaporator through the heat regenerator after the second heat regenerator is communicated with the expander, 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, and the condenser is provided with the condensed water pipeline which is communicated with the outside; 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 the hydrogen energy type multifunctional 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 hydrogen energy type multifunctional 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 heat source heat exchanger, a second compressor, a solar heat collection system, a combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel which is communicated with the combustion chamber, the outside is provided with an oxygen channel which is communicated with the combustion chamber, the compressor is provided with a first steam channel which is communicated with a second expander through a heat regenerator, the second expander is provided with a low-pressure steam channel which is communicated with an evaporator, the compressor is provided with a second steam channel which is communicated with a heat source heat exchanger, the condenser is provided with a condensed water pipeline which is communicated with the evaporator through a booster pump, the evaporator is provided with a steam channel which is communicated with the heat source heat exchanger, the heat source heat exchanger is provided with a steam channel which is communicated with the combustion chamber through the second heat regenerator, the second compressor and a solar heat collecting system, the combustion chamber is provided with a steam channel which is communicated with an expander, the expander is provided with a low-pressure steam channel which is communicated with the evaporator through the heat regenerator after the second heat regenerator is communicated with the expander, 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, and the condenser is provided with the condensed water pipeline which is communicated with the outside; 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 the hydrogen energy type multifunctional 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 hydrogen energy type multifunctional 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 heat source heat exchanger, a second compressor, a solar heat collection system, a combustion chamber and a second heat regenerator; the outside has hydrogen channel to communicate with combustion chamber, the outside has oxygen channel to communicate with combustion chamber, the compressor has first steam channel to communicate with second expander through the regenerator, the second expander has low-pressure steam channel to communicate with evaporator, the compressor has second steam channel to communicate with heat source heat exchanger through the second regenerator, the condenser has condensed water pipeline to communicate with evaporator through booster pump, evaporator has steam channel to communicate with heat source heat exchanger through the second regenerator, the heat source heat exchanger has steam channel to communicate with combustion chamber through the second compressor and solar energy heat collecting system, the combustion chamber has steam channel to communicate with expander, the expander has low-pressure steam channel to communicate with evaporator after the steam channel communicates with itself through the second regenerator, the evaporator has low-pressure steam channel to divide into two ways-the first way to communicate with compressor and the second way to communicate with condenser, the condenser has condensed water pipeline to communicate with outside; 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 the hydrogen energy type multifunctional 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 hydrogen energy type multifunctional single-working-medium combined cycle steam power device is characterized in that in the 3 rd or 6 th hydrogen energy type multifunctional single-working-medium combined cycle steam power device, a second compressor is provided with a steam channel and is communicated with a solar heat collection system through a second heat regenerator, and the second compressor is adjusted to be provided with a steam channel and is communicated with the solar heat collection system after the second compressor is provided with the steam channel and is communicated with the second heat regenerator, so that the hydrogen energy type multifunctional single-working-medium combined cycle steam power device is formed.

10. The hydrogen 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 hydrogen energy type multifunctional single-working-medium combined cycle steam power devices in the 1 st to the 9 th, the condenser is communicated with the booster pump and is adjusted to be provided with a condensate water pipeline, the condensate water pipeline 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 provided with a condensate water pipeline and is communicated with the booster pump, so that the hydrogen energy type multifunctional single-working-medium combined cycle steam power device is formed.

11. The hydrogen energy type multifunctional single-medium combined cycle steam power device is characterized in that in any one of the hydrogen energy type multifunctional single-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 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 a condensate water pipe of the condenser is communicated with the second evaporator through the booster pump, and then the second evaporator is communicated with the evaporator through the diffusion pipe, and the hydrogen energy type multifunctional single-medium combined cycle steam power device is formed.

12. The hydrogen energy type multifunctional single-working-medium combined cycle steam power device is characterized in that in the hydrogen energy type multifunctional single-working-medium combined cycle steam power device in the 2 nd step, a second evaporator and a diffuser pipe are added, 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 condensed water pipeline is adjusted to be communicated with the condenser through the booster pump and the second evaporator, and then the second evaporator is communicated with the evaporator through the diffuser pipe, so that the hydrogen energy type multifunctional single-working-medium combined cycle steam power device is formed.

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

14. The hydrogen energy type multifunctional single-working-medium combined cycle steam power device is characterized in that in any one of the hydrogen energy type multifunctional single-working-medium combined cycle steam power devices 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 hydrogen energy type multifunctional single-working-medium combined cycle steam power device is formed.

Description of the drawings:

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

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

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

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

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

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

FIG. 7 is a schematic thermodynamic system diagram of a 7 th principle of a hydrogen energy type multi-energy portable single-working-medium combined cycle steam power plant according to the invention.

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

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

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

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

FIG. 12 is a schematic diagram of a 12 th principle thermodynamic system of a hydrogen energy 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 13 th principle of a hydrogen energy type multi-energy portable single-working-medium combined cycle steam power plant according to the invention.

In the figure, the heat exchanger comprises 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-heat source heat exchanger, a 9-second compressor, a 10-solar heat collection system, a 11-combustion chamber, a 12-second regenerator, a 13-second booster pump, a 14-low temperature regenerator, a 15-second evaporator, a 16-diffuser pipe and a 17-solar heat collection system; 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 description is given here about the photo-thermal, solar heat collection system, medium temperature photo-thermal system and high temperature photo-thermal 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) The medium-temperature photo-thermal system and the high-temperature photo-thermal system in the application are divided into two types according to different temperature grades in the solar heat collection system; the former is low in temperature and the latter is high in temperature.

(3) Solar energy collection systems in a broad sense include various systems that employ various means and devices to convert solar energy into thermal energy at different temperatures.

(4) 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 system comprises a non-condensing solar heat collection system, an existing solar pond, a solar chimney and the like.

(5) There are two main types of heat supply modes of solar heat collection systems at present: ① The medium temperature/high temperature heat energy converted by solar energy is directly provided for a circulating working medium flowing through a solar heat collection system; ② The medium-temperature heat energy/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 hydrogen energy type multifunctional 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 solar heat collection system and a combustion chamber; the outside is provided with a hydrogen channel which is communicated with a combustion chamber 11, the outside is also provided with an oxygen channel which is communicated with the combustion chamber 11, the compressor 3 is provided with a first steam channel which is communicated with a second expander 2 through a heat 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 condensed water pipeline which is communicated with the evaporator 7 through a booster pump 4, then 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 the combustion chamber 11 through a second compressor 9 and a solar heat collecting system 10, the combustion chamber 11 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 through the heat regenerator 5, 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, and a condenser 6 is also provided with a condensed water pipeline which is communicated with the outside; 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, hydrogen and oxygen with higher external pressure enter a combustion chamber 11 for combustion to generate high-temperature high-pressure steam; 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; part of condensed water discharged by the condenser 6 is boosted by the booster pump 4, is absorbed by heat and is warmed and vaporized by the evaporator 7, and then enters the heat source heat exchanger 8 to absorb heat and be warmed; the steam discharged by the heat source heat exchanger 8 is boosted and heated through the second compressor 9, absorbs heat and heats through the solar heat collection system 10, and then enters the combustion chamber 11 to be mixed with high-temperature steam, absorbs heat and heats; the steam discharged from the combustion chamber 11 is depressurized and works through the expander 1, is released by heat and cooled through the heat regenerator 5, and is then 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; the condensed water of the condenser 6 is divided into two paths, wherein the first path is provided for the booster pump 4, and the second path is discharged to the outside; the heat source medium provides a driving heat load through the heat source heat exchanger 8, the solar energy provides a driving heat load through the solar heat collection system 10, the hydrogen fuel provides a driving heat load through the combustion chamber 11, and the cooling medium takes away a low-temperature heat load through the 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 hydrogen energy type multifunctional single-working-medium combined cycle steam power device is formed.

The hydrogen energy type multifunctional 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 solar heat collection system and a combustion chamber; the outside has hydrogen channel to communicate with combustion chamber 11, the outside has oxygen channel to communicate with combustion chamber 11, the compressor 3 has first steam channel to communicate with second expander 2 through the regenerator 5, the second expander 2 has low-pressure steam channel to communicate with evaporator 7, the compressor 3 has second steam channel to communicate with heat source heat exchanger 8, the condenser 6 has condensed water pipeline to communicate with evaporator 7 after the evaporator 7 has steam channel to communicate with heat source heat exchanger 8 through booster pump 4, the heat source heat exchanger 8 has steam channel to communicate with combustion chamber 11 through second compressor 9 and solar energy heat collecting system 10, combustion chamber 11 has steam channel to communicate with expander 1, expander 1 has low-pressure steam channel to communicate with evaporator 7 again after the expander 1 has steam channel to communicate with itself through the regenerator 5, the evaporator 7 has low-pressure steam channel to divide into two ways-the first way to communicate with compressor 3 and the second way to communicate with condenser 6, the condenser 6 has condensed water pipeline to communicate with outside; 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, compared with the hydrogen energy type multifunctional single-working-medium combined cycle steam power plant shown in fig. 1, the difference is that: the steam discharged by the combustion chamber 11 enters the expander 1 to perform decompression work to a certain extent, then flows through the heat regenerator 5 to release heat and cool, enters the expander 1 to continue decompression work, and then is provided for the evaporator 7 to form the hydrogen energy type multifunctional single-working-medium combined cycle steam power device.

The hydrogen energy type multifunctional 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 solar heat collection system, a combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel which is communicated with a combustion chamber 11, the outside is also provided with an oxygen channel which is communicated with the combustion chamber 11, the compressor 3 is provided with a first steam channel which is communicated with a second expander 2 through a heat 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 condensed water pipeline which is communicated with the evaporator 7 through a booster pump 4, then 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 the combustion chamber 11 through a second compressor 9, a second heat regenerator 12 and a solar heat collecting system 10, the combustion chamber 11 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 through a second heat regenerator 12 and a heat regenerator 5, 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, and a condensed water pipeline which is also communicated with the outside; 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, compared with the hydrogen energy type multifunctional single-working-medium combined cycle steam power plant shown in fig. 1, the difference is that: the steam discharged by the second compressor 9 flows through the second heat regenerator 12 and the solar heat collecting system 10 to absorb heat gradually and raise temperature, and then enters the combustion chamber 11; the low-pressure steam discharged by the expander 1 flows through the second heat regenerator 12 and the heat regenerator 5 to release heat gradually and cool down, and then is supplied to the evaporator 7 to form the hydrogen energy type multifunctional single-working-medium combined cycle steam power device.

The hydrogen energy type multifunctional single-working-medium combined cycle steam power device 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 solar heat collection system, a combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel which is communicated with a combustion chamber 11, the outside is also provided with an oxygen channel which is communicated with the combustion chamber 11, the compressor 3 is provided with a first steam channel which is communicated with a second expander 2 through a heat 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 condensed water pipeline which is communicated with the evaporator 7 through a booster pump 4, then 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 the combustion chamber 11 through a second heat regenerator 12, a second compressor 9 and a solar heat collecting system 10, the combustion chamber 11 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 12 and the heat regenerator 5, 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, and a condensed water pipeline which is also communicated with the outside; 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, compared with the hydrogen energy type multifunctional 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 absorbs heat and rises in temperature through the second heat regenerator 12, rises in pressure and rises in temperature through the second compressor 9, absorbs heat and rises in temperature through the solar heat collection system 10, and then enters the combustion chamber 11; the low-pressure steam discharged by the expander 1 flows through the second heat regenerator 12 and the heat regenerator 5 to release heat gradually and cool down, and then is supplied to the evaporator 7 to form the hydrogen energy type multifunctional single-working-medium combined cycle steam power device.

The hydrogen energy type multifunctional single-working-medium combined cycle steam power device 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 solar heat collection system, a combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel and a combustion chamber 11 which are communicated, the outside is also provided with an oxygen channel and a combustion chamber 11 which are communicated, 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 heat source heat exchanger 8 through the second heat regenerator 12, the condenser 6 is provided with a condensed water pipeline which is communicated with the evaporator 7 through the booster pump 4 and then is communicated with the heat source heat exchanger 8 through the second heat regenerator 12, the heat source heat exchanger 8 is also provided with a steam channel which is communicated with the combustion chamber 11 through the second compressor 9 and the solar heat collecting system 10, the combustion chamber 11 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 12 and the heat regenerator 5, 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, and a condensed water pipeline which is also communicated with the outside; 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, compared with the hydrogen energy type multifunctional 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 12 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 12 and the heat regenerator 5 to release heat gradually and cool down, and then is supplied to the evaporator 7 to form the hydrogen energy type multifunctional single-working-medium combined cycle steam power device.

The hydrogen energy type multifunctional single-working-medium combined cycle steam power device 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 solar heat collection system, a combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel and a combustion chamber 11 which are communicated, the outside is also provided with an oxygen channel and a combustion chamber 11 which are communicated, 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 heat source heat exchanger 8, the condenser 6 is provided with a condensed water 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 heat source heat exchanger 8, the heat source heat exchanger 8 is also provided with a steam channel which is communicated with the combustion chamber 11 through the second compressor 9, the second heat regenerator 12 and the solar heat collection system 10, the combustion chamber 11 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 second heat regenerator 12 is communicated with the expander 1, 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, and a condenser 6 is also communicated with the outside water pipe; 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, compared with the hydrogen energy type multifunctional single-working-medium combined cycle steam power plant shown in fig. 1, the difference is that: the steam discharged by the second compressor 9 flows through the second heat regenerator 12 and the solar heat collecting system 10 to absorb heat gradually and raise temperature, and then enters the combustion chamber 11; the steam discharged by the combustion chamber 11 enters the expander 1 to perform decompression and work, flows through the second heat regenerator 12 to release heat and reduce temperature to a certain extent, enters the expander 1 to continue decompression and work, flows through the heat regenerator 5 to release heat and reduce temperature, and then is supplied to the evaporator 7 to form the hydrogen energy type multifunctional single-working medium combined cycle steam power device.

The hydrogen energy type multifunctional single-working-medium combined cycle steam power device 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 solar heat collection system, a combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel and a combustion chamber 11 which are communicated, the outside is also provided with an oxygen channel and a combustion chamber 11 which are communicated, 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 heat source heat exchanger 8, the condenser 6 is provided with a condensed water 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 heat source heat exchanger 8, the heat source heat exchanger 8 is also provided with a steam channel which is communicated with the combustion chamber 11 through the second heat regenerator 12, the second compressor 9 and the solar heat collection system 10, the combustion chamber 11 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 second heat regenerator 12 is communicated with the expander 1, 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, and a condenser 6 is also provided with a condensed water pipe which is communicated with the outside; 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, compared with the hydrogen energy type multifunctional 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 12, and is then supplied to the second compressor 9; the steam discharged by the combustion chamber 11 enters the expander 1 to perform decompression and work, flows through the second heat regenerator 12 to release heat and reduce temperature to a certain extent, enters the expander 1 to continue decompression and work, flows through the heat regenerator 5 to release heat and reduce temperature, and then is supplied to the evaporator 7 to form the hydrogen energy type multifunctional single-working medium combined cycle steam power device.

The hydrogen energy type multifunctional single-working-medium combined cycle steam power device 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 solar heat collection system, a combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel and a combustion chamber 11 which are communicated, the outside is also provided with an oxygen channel and a combustion chamber 11 which are communicated, 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 through the second heat regenerator 12, the compressor 3 is also provided with a second steam channel which is communicated with the heat source heat exchanger 8 through the second heat regenerator 12 after being communicated with the evaporator 7 through the booster pump 4, the heat source heat exchanger 8 is also provided with a steam channel which is communicated with the heat source heat exchanger 8 through the second heat regenerator 12 through the second compressor 9 and the solar heat collecting system 10, the combustion chamber 11 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 through the heat regenerator 5 after being communicated with the expander 1, the evaporator 7 is also provided with the 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, and a condenser 6 is also communicated with the outside; 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, compared with the hydrogen energy type multifunctional 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 12 to absorb heat and raise temperature, and then is supplied to the heat source heat exchanger 8; the steam discharged by the combustion chamber 11 enters the expander 1 to perform decompression and work, flows through the second heat regenerator 12 to release heat and reduce temperature to a certain extent, enters the expander 1 to continue decompression and work, flows through the heat regenerator 5 to release heat and reduce temperature and is provided for the evaporator 7, and the hydrogen energy type multifunctional single-working-medium combined cycle steam power device is formed.

The hydrogen energy type multifunctional single-working-medium combined cycle steam power device shown in fig. 9 is realized by the following steps:

(1) In the hydrogen energy type multifunctional single-working-medium combined cycle steam power device shown in fig. 3, a steam channel of the second compressor 9 is communicated with the solar heat collection system 10 through the second heat regenerator 12, and the condition is that the steam channel of the second compressor 9 is communicated with the second heat regenerator 12 and then the steam channel of the second compressor 9 is communicated with the solar heat collection system 10.

(2) In the flow, compared with the hydrogen energy type multifunctional 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 12 to absorb heat and heat to be heated, enters the second compressor 9 to be continuously boosted and heated, and then is provided for the solar heat collection system 10 to form the hydrogen energy type multifunctional single-working-medium combined cycle steam power device.

The hydrogen energy type multifunctional single-working-medium combined cycle steam power device shown in fig. 10 is realized by the following steps:

(1) In the structure, in the hydrogen energy type multifunctional single-working-medium combined cycle steam power device shown in fig. 1, a second booster pump and a low-temperature heat regenerator are added, the condenser 6 is communicated with the booster pump 4 and is adjusted to be communicated with the low-temperature heat regenerator 14 through a second booster pump 13, a steam extraction channel is additionally arranged on the compressor 3 and is communicated with the low-temperature heat regenerator 14, and the low-temperature heat regenerator 14 is communicated with the booster pump 4 through a condensed water pipeline.

(2) In the flow, compared with the hydrogen energy type multifunctional single-working-medium combined cycle steam power plant shown in fig. 1, the difference is that: part of condensed water discharged by the condenser 6 flows through the second booster pump 13 to be boosted and then enters the low-temperature regenerator 14 to be mixed with extraction steam from the compressor 3, absorbs heat and heats up, and the extraction steam is released to form condensed water; condensed water of the low-temperature heat regenerator 14 is boosted by the booster pump 4 and then enters the evaporator 7 to absorb heat and 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 14, 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 enters the heat source heat exchanger 8, so that the hydrogen energy type multifunctional single-working-medium combined cycle steam power device is formed.

The hydrogen energy type multifunctional single-working-medium combined cycle steam power device shown in fig. 11 is realized by the following steps:

(1) In the structure, in the hydrogen energy type multi-functional single-working-medium combined cycle steam power device 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 15 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 15 through the evaporator 7, the communication between the low-pressure steam channel of the evaporator 7 and a compressor 3 and a condenser 6 are respectively adjusted to be that the low-pressure steam channel of the second evaporator 15 is respectively communicated with the compressor 3 and the condenser 6, the communication between the condenser 6 and the evaporator 7 through a booster pump 4 is adjusted to be that the condenser 6 is communicated with the second evaporator 15 through the booster pump 4, and then the second evaporator 15 is further communicated with the evaporator 7 through the diffusion pipe 16.

(2) In the flow, compared with the hydrogen energy type multifunctional single-working-medium combined cycle steam power plant shown in fig. 1, the difference is that: part of condensed water discharged by the condenser 6 is boosted by the booster pump 4, absorbs heat and warms up by the second evaporator 15, is partially vaporized and is increased in speed, is reduced in speed and boosted by the diffuser pipe 16, 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 15, and then respectively enters the compressor 3 for boosting and heating and the condenser 6 for releasing heat and condensing, so that the hydrogen energy type multifunctional single-working-medium combined cycle steam power device is formed.

The hydrogen energy type multifunctional single-working-medium combined cycle steam power device shown in fig. 12 is realized by the following steps:

In the hydrogen energy type multifunctional single-working-medium combined cycle steam power device shown in fig. 1, a solar heat collection system 10 is named as a high-temperature photo-thermal system 10, a heat source medium channel for communicating a heat source heat exchanger 8 with the outside is omitted, a medium-temperature photo-thermal system 17 is added and replaces the heat source heat exchanger 8; the solar energy provides driving heat load through the added medium-temperature photo-thermal system 17, so that the hydrogen energy type multi-energy carrying single-working-medium combined cycle steam power device is formed.

The hydrogen energy type multifunctional single-working-medium combined cycle steam power device shown in fig. 13 is realized by the following steps:

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

(2) In the flow, compared with the hydrogen energy type multifunctional 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 provided for the evaporator 7, and the second path continuously boosts, heats and then enters the heat source heat exchanger 8 to absorb heat and heat; part of condensed water 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, heated and slowed down by the second dual-energy compressor E, absorbed in heat and heated by the solar heat collection system 10, and then enters the combustion chamber 11 to be mixed with high-temperature steam, absorbed in heat and heated; the steam discharged by the combustion chamber 11 flows through the expansion speed increaser A to reduce the pressure and the speed, flows through the heat regenerator 5 to release heat and reduce the temperature, and then is supplied to 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 double-energy compressor C, the second double-energy compressor E and external acting force to form the hydrogen energy type multifunctional single-working-medium combined cycle steam power device.

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

(1) The integrated thermal power system is shared by hydrogen energy, photo-thermal and conventional heat resources or hydrogen energy, high-temperature photo-thermal and medium-temperature photo-thermal, so that the construction cost of the thermal power system is saved, and the cost performance is high.

(2) The hydrogen energy, the photo-thermal and the conventional heat resources or the hydrogen energy, the high-temperature photo-thermal and the medium-temperature photo-thermal are carried by the same type and grade, the connection is flexible, and the thermodynamic perfection is high.

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

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

(5) The steam is a circulating working medium, the hydrogen is a fuel, and the hydrogen and oxygen burns to produce high-temperature steam which becomes a component part of the circulating working medium; the fuel combustion products are consistent with the circulating working medium in nature, and the separation process of the combustion products is simple.

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

(7) The utilization degree of the temperature difference in the back heating link between the gas (steam) working media 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.

(8) The conventional heat resource or moderate-temperature photo-thermal can be used for or is beneficial to reducing the pressure boosting ratio of the combined cycle and improving the flow of the circulating working medium, and is beneficial to constructing a high-load hydrogen energy type multifunctional single-working-medium-carrying combined cycle steam power device.

(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 structure is simple, the flow is reasonable, and the scheme is rich; the reasonable utilization level of energy is improved, and the application range of the hydrogen energy type multifunctional single-working-medium combined cycle steam power device is expanded.

Claims

1. The hydrogen energy type multifunctional 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 heat source heat exchanger, a second compressor, a solar heat collection system and a combustion chamber; the outside is provided with a hydrogen channel which is communicated with a combustion chamber (11), the outside is also provided with an oxygen channel which is communicated with the combustion chamber (11), the compressor (3) is provided with a first steam channel which is communicated with a second expander (2) through a heat 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 condensed water 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 the combustion chamber (11) through a second compressor (9) and a solar heat collecting system (10), the combustion chamber (11) 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), 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 also communicated with the condenser (6) which is communicated with the outside; 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 the hydrogen 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 hydrogen energy type multifunctional 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 heat source heat exchanger, a second compressor, a solar heat collection system and a combustion chamber; the outside is provided with a hydrogen channel which is communicated with a combustion chamber (11), the outside is also provided with an oxygen channel which is communicated with the combustion chamber (11), the compressor (3) is provided with a first steam channel which is communicated with a second expander (2) through a heat 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) after the condenser (6) is provided with a condensed water pipeline which is communicated with the evaporator (7) through a booster pump (4), the heat source heat exchanger (8) is also provided with a steam channel which is communicated with the heat source heat exchanger (8) through a second compressor (9) and a solar heat collecting system (10), the combustion chamber (11) 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 expander (1) is also provided with the heat regenerator (5) which is communicated with the evaporator (7), and the evaporator (7) is also provided with a low-pressure steam channel which is communicated with the two paths, namely the first path (3) and the compressor (6) which are also communicated with the outside; 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 the hydrogen 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 hydrogen energy type multifunctional 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 heat source heat exchanger, a second compressor, a solar heat collection system, a combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel which is communicated with a combustion chamber (11), the outside is also provided with an oxygen channel which is communicated with the combustion chamber (11), the compressor (3) is provided with a first steam channel which is communicated with a second expander (2) through a heat 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) after being communicated with the evaporator (7) through a booster pump (4), the heat source heat exchanger (8) 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 combustion chamber (11) through a second compressor (9), a second heat regenerator (12) and a solar heat collecting system (10), the combustion chamber (11) is also provided with a steam channel which is communicated with the evaporator (1), the evaporator (1) is also provided with a low-pressure steam channel which is communicated with the evaporator (7) through the second heat regenerator (12) and the heat regenerator (5), and the evaporator (7) is also provided with two low-pressure steam channels which are communicated with the evaporator (6) through the second heat regenerator (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 the hydrogen 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 hydrogen energy type multifunctional 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 heat source heat exchanger, a second compressor, a solar heat collection system, a combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel which is communicated with a combustion chamber (11), the outside is also provided with an oxygen channel which is communicated with the combustion chamber (11), the compressor (3) is provided with a first steam channel which is communicated with a second expander (2) through a heat 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) after being communicated with the evaporator (7) through a booster pump (4), the heat source heat exchanger (8) 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 combustion chamber (11) through a second heat regenerator (12), a second compressor (9) and a solar heat collecting system (10), the combustion chamber (11) is also provided with a steam channel which is communicated with the evaporator (1), the evaporator (1) is also provided with a low-pressure steam channel which is communicated with the evaporator (7) through a second heat regenerator (12) and the heat regenerator (5), and the evaporator (7) is also provided with two low-pressure steam channels which are respectively communicated with the evaporator (6) through the second heat regenerator (12) and the second heat regenerator (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 the hydrogen 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 hydrogen energy type multifunctional 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 heat source heat exchanger, a second compressor, a solar heat collection system, a combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel which is communicated with a combustion chamber (11), the outside is also provided with an oxygen channel which is communicated with the combustion chamber (11), the compressor (3) is provided with a first steam channel which is communicated with a second expander (2) through a heat 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 heat regenerator (12), the condenser (6) is provided with a condensed water 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 the second heat regenerator (12), the heat source heat exchanger (8) is also provided with a steam channel which is communicated with the combustion chamber (11) through a second compressor (9) and a solar heat collecting system (10), the combustion chamber (11) 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 heat regenerator (12) and the evaporator (5), and the evaporator (7) is also provided with the low-pressure steam channel which is communicated with the second heat regenerator (6) through the second heat collector (6), and the condenser (6) is also communicated with the outside; 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 the hydrogen 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 hydrogen energy type multifunctional 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 heat source heat exchanger, a second compressor, a solar heat collection system, a combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel which is communicated with a combustion chamber (11), the outside is also provided with an oxygen channel which is communicated with the combustion chamber (11), the compressor (3) is provided with a first steam channel which is communicated with a second expander (2) through a heat 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) after being 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 combustion chamber (11) through a second compressor (9), a second heat regenerator (12) and a solar heat collecting system (10), the combustion chamber (11) is also provided with a steam channel which is communicated with the evaporator (1), the evaporator (1) is also provided with a low-pressure steam channel which is communicated with the evaporator (7) after being communicated with the evaporator (3) through the second heat regenerator (12), the evaporator (7) is also provided with the low-pressure steam channel which is communicated with the evaporator (7) through the evaporator (6), and the evaporator (7) is also communicated with the second heat collector (6) through the second heat regenerator; 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 the hydrogen 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 hydrogen energy type multifunctional 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 heat source heat exchanger, a second compressor, a solar heat collection system, a combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel which is communicated with a combustion chamber (11), the outside is also provided with an oxygen channel which is communicated with the combustion chamber (11), the compressor (3) is provided with a first steam channel which is communicated with a second expander (2) through a heat 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) after being 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 combustion chamber (11) through a second heat regenerator (12), a second compressor (9) and a solar heat collecting system (10), the combustion chamber (11) is also provided with a steam channel which is communicated with the evaporator (1), the evaporator (1) is also provided with a steam channel which is communicated with the evaporator (7) after being communicated with the evaporator (7) through the second heat regenerator (12), the evaporator (7) is also provided with the low-pressure steam channel which is communicated with the evaporator (7) through the evaporator (6), and the evaporator (7) is also communicated with the second heat collector (6) through the second heat regenerator, and the second heat collecting system is communicated with the second heat collecting system (2), and the evaporator is communicated with 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 the hydrogen 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 hydrogen energy type multifunctional 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 heat source heat exchanger, a second compressor, a solar heat collection system, a combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel which is communicated with a combustion chamber (11), the outside is also provided with an oxygen channel which is communicated with the combustion chamber (11), the compressor (3) is provided with a first steam channel which is communicated with a second expander (2) through a heat 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 heat regenerator (12), the condenser (6) is provided with a condensed water 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 the second heat regenerator (12), the heat source heat exchanger (8) is also provided with a steam channel which is communicated with the combustion chamber (11) through a second compressor (9) and a solar heat collecting system (10), the combustion chamber (11) 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 provided with a low-pressure steam channel which is communicated with the evaporator (7) through the second heat regenerator (12) and is also communicated with the evaporator (7) through the second heat regenerator (7), and the evaporator (6) is also communicated with the condensed water pipeline which is communicated with the outside; 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 the hydrogen 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 hydrogen 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 solar heat collection system (10) through the second heat regenerator (12), and the second compressor (9) is regulated to be communicated with the solar heat collection system (10) through the second heat regenerator (12) after the steam channel of the second compressor (9) is communicated with the second heat regenerator (12), so that the hydrogen energy type multifunctional single-working-medium combined cycle steam power device is formed.

10. In the hydrogen energy type multifunctional 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 hydrogen energy type multifunctional single-working-medium combined cycle steam power devices according to claims 1-9, a condenser (6) is communicated with a booster pump (4) to adjust that the condenser (6) is communicated with a condensate water pipeline through a second booster pump (13) to be communicated with a low-temperature heat regenerator (14), a steam extraction channel is additionally arranged in a compressor (3) to be communicated with the low-temperature heat regenerator (14), and the low-temperature heat regenerator (14) is further communicated with the booster pump (4) to form the hydrogen energy type multifunctional single-working-medium combined cycle steam power device.

11. In the hydrogen 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 hydrogen 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 a second evaporator (15) 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, the condenser (6) is communicated with the low-pressure steam channel of the compressor (3) and the condenser (6) respectively, a pipeline of the condenser (6) is communicated with the evaporator (7) through a pressure booster pump (4) and is regulated to be communicated with the condenser (6) through the pressure booster pump (4) and is communicated with the condenser (15) through the evaporator (7) through the pressure booster pump (6), and then the condensed water (15) is communicated with the single-working medium through the pressure booster pump (16) and is formed into the multi-working-medium combined cycle steam power device.

12. In the hydrogen energy type multi-energy carrying single-working-medium combined cycle steam power device, a second evaporator and a diffuser pipe are added in the hydrogen 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 (15) 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 (15) through the low-pressure steam channel of the second evaporator (15), the condensed water 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 evaporator (4) and is communicated with the second evaporator (15) through the second evaporator (15), and the single-working-medium carrying steam power device can be formed after the evaporator (7) is communicated with the second evaporator (15) through the evaporator (16).

13. In the hydrogen energy type multifunctional single-working-medium combined cycle steam power device, a solar heat collection system (10) is named as a high-temperature photo-thermal system (10) more, a heat source medium channel communicated with the outside by a heat source heat exchanger (8) is omitted, a medium-temperature photo-thermal system (17) is added and replaces the heat source heat exchanger (8), so that the hydrogen energy type multifunctional single-working-medium combined cycle steam power device is formed.

14. In the hydrogen 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 hydrogen energy type multifunctional single-working-medium combined cycle steam power plant is formed.