CN117759370A

CN117759370A - Hydrogen fuel carrying and combined cycle steam power device

Info

Publication number: CN117759370A
Application number: CN202311874367.1A
Authority: CN
Inventors: 李鸿瑞; 李华玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-01-06
Filing date: 2023-12-29
Publication date: 2024-03-26

Abstract

The invention provides a hydrogen fuel carrying combined cycle steam power device, and belongs to the technical field of thermodynamics and thermal dynamics. 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 evaporator through regenerator and second expander, the compressor has second steam channel to communicate with heat source heat exchanger, the condenser is communicated with heat source heat exchanger through booster pump and evaporator, the heat source heat exchanger has steam channel to communicate with combustion chamber through the second compressor, the combustion chamber has steam channel to communicate with evaporator through expander and regenerator, the evaporator has low-pressure steam channel to communicate with compressor and condenser separately, the condenser has 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 fuel carrying combined cycle steam power device.

Description

Hydrogen fuel carrying and 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 conventional heat resource represented by industrial waste heat 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 the conversion of hydrogen fuel or conventional thermal resources into mechanical energy is realized; obviously, it is of positive interest to try to reduce the number of thermal power devices.

Hydrogen is a high-quality and high-grade fuel, and people can use pure oxygen to support combustion so as to avoid the generation and emission of any pollutant; the hydrogen combustion process is limited by factors such as working principle, working medium property, material property, equipment and the like, and has larger temperature difference irreversible loss, so that the heat change work efficiency of the conventional heat resource 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.

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

The invention comprises the following steps:

the invention mainly aims to provide a hydrogen fuel carrying combined cycle steam power plant, and the specific invention is described in the following items:

1. the hydrogen fuel carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor 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 the 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 the second steam channel to communicate with heat source heat exchanger, the condenser has condensate pipeline to communicate with evaporator through booster pump, evaporator has steam channel to communicate with heat source heat exchanger again, heat source heat exchanger has steam channel to communicate with combustion chamber through the second compressor, 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-first way to communicate with compressor and second way to communicate with condenser, the condenser has condensate 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 expander is connected with the compressor and the second compressor and transmits power, and a hydrogen fuel carrying combined cycle steam power device is formed; wherein, or the expander is connected with the compressor, the booster pump and the second compressor and transmits power.

2. The hydrogen fuel carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor 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 condensate pipeline to communicate with evaporator through the 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 the second compressor, the combustion chamber has steam channel to communicate with expander, the expander has steam channel to communicate with evaporator after the regenerator communicates with oneself again, the evaporator has low-pressure steam channel to divide into two-way that the first way communicates with compressor and second way communicates with condenser, the condenser has condensate water pipeline to communicate with outside still; 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 expander is connected with the compressor and the second compressor and transmits power, and a hydrogen fuel carrying combined cycle steam power device is formed; wherein, or the expander is connected with the compressor, the booster pump and the second compressor and transmits power.

3. The hydrogen fuel carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a 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, the condenser has condensate 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 second regenerator, the combustion chamber has steam channel to communicate with expander, 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 ways-the first way communicates with compressor and 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 expander is connected with the compressor and the second compressor and transmits power, and a hydrogen fuel carrying combined cycle steam power device is formed; wherein, or the expander is connected with the compressor, the booster pump and the second compressor and transmits power.

4. The hydrogen fuel carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a 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, the condenser has condensate 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 regenerator and second compressor, the combustion chamber has steam channel to communicate with expander, 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 ways-the first way communicates with compressor and second way communicates with condenser, the condenser has condensate 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 expander is connected with the compressor and the second compressor and transmits power, and a hydrogen fuel carrying combined cycle steam power device is formed; wherein, or the expander is connected with the compressor, the booster pump and the second compressor and transmits power.

5. The hydrogen fuel carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel and a combustion chamber which are communicated, the outside is provided with an oxygen channel and a combustion chamber which are communicated, 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 through the second heat regenerator, the condenser is provided with a condensate pipe which is communicated with the evaporator through the booster pump, the evaporator is provided with a steam channel which is communicated with the heat source heat exchanger through the second heat regenerator, the heat source heat exchanger is provided with a steam channel which is communicated with the combustion chamber through the second compressor, 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 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 a condensate pipe 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 expander is connected with the compressor and the second compressor and transmits power, and a hydrogen fuel carrying combined cycle steam power device is formed; wherein, or the expander is connected with the compressor, the booster pump and the second compressor and transmits power.

6. The hydrogen fuel carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a 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, the condenser has condensate 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 second regenerator, the combustion chamber has steam channel to communicate with expander, the expander has steam channel to communicate with oneself through the regenerator after the second regenerator 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 condensation way 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 expander is connected with the compressor and the second compressor and transmits power, and a hydrogen fuel carrying combined cycle steam power device is formed; wherein, or the expander is connected with the compressor, the booster pump and the second compressor and transmits power.

7. The hydrogen fuel carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a 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, the condenser has condensate 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 regenerator and second compressor, the combustion chamber has steam channel to communicate with expander, the expander has steam channel to communicate with oneself through the regenerator after the second regenerator has steam channel to communicate with oneself, the evaporator has low-pressure steam channel to communicate with evaporator through the regenerator 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 condensation way 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 expander is connected with the compressor and the second compressor and transmits power, and a hydrogen fuel carrying combined cycle steam power device is formed; wherein, or the expander is connected with the compressor, the booster pump and the second compressor and transmits power.

8. The hydrogen fuel carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a 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 the first steam channel to communicate with second expander through the regenerator, the second expander has the low-pressure steam channel to communicate with evaporator, the compressor has the second steam channel to communicate with heat source heat exchanger through the second regenerator, the condenser has condensate pipeline to communicate with evaporator through booster pump, evaporator has the steam channel to communicate with heat source heat exchanger through the second regenerator after the evaporator has the condensate pipeline to communicate with evaporator, the heat source heat exchanger has the steam channel to communicate with combustion chamber through the second compressor, the combustion chamber has the steam channel to communicate with expander, the expander has the low-pressure steam channel to communicate with evaporator through the regenerator after the steam channel is communicated with oneself through the second regenerator, the evaporator has the 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 the condensation way 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 expander is connected with the compressor and the second compressor and transmits power, and a hydrogen fuel carrying combined cycle steam power device is formed; wherein, or the expander is connected with the compressor, the booster pump and the second compressor and transmits power.

9. In the hydrogen fuel and combined cycle steam power plant of the 3 rd or 6 th, the second compressor with a steam channel is communicated with the combustion chamber through the second heat regenerator, and the second compressor with the steam channel is communicated with the combustion chamber after the second compressor with the steam channel is communicated with the second heat regenerator, so that the hydrogen fuel and combined cycle steam power plant is formed.

10. The hydrogen fuel carrying and 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 fuel carrying and combined cycle steam power devices in the 1 st to the 9 th, a condenser condensate pipe is communicated with the booster pump and is adjusted to be communicated with the 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 communicated with the booster pump through the condensate pipe, so that the hydrogen fuel carrying and combined cycle steam power device is formed.

11. The hydrogen fuel carrying and combined cycle steam power device is characterized in that in any one of the hydrogen fuel carrying and combined cycle steam power devices in the 1 st and the 3 th to the 9 th, a second evaporator and a diffusion pipe are added, the communication between a low-pressure steam channel of a regenerator and the evaporator is adjusted to be that the low-pressure steam channel of the regenerator is communicated with the second evaporator through the evaporator, the communication between the low-pressure steam channel of the second expander and the evaporator is adjusted to be that the low-pressure steam channel of the second expander is communicated with the second evaporator through the evaporator, the communication between the low-pressure steam channel of the evaporator and the compressor respectively 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 through a booster pump is adjusted to be that the condensate channel of the condenser is communicated with the second evaporator through the booster pump, and then the wet steam channel of the second evaporator is communicated with the evaporator through the diffusion pipe, and the hydrogen fuel carrying and combined cycle steam power device is formed.

12. The hydrogen fuel carrying and combined cycle steam power device is characterized in that a second evaporator and a diffuser pipe are added in the hydrogen fuel carrying and combined cycle steam power device in the 2 nd step, the low-pressure steam passage 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 passage 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 passage of the evaporator is respectively communicated with the compressor and the condenser and is adjusted to be respectively communicated with the compressor and the condenser, the condensate pipe of the condenser is adjusted to be communicated with the evaporator through the booster pump and the condenser, and then the second evaporator is communicated with the evaporator through the diffuser pipe, so that the hydrogen fuel carrying and combined cycle steam power device is formed.

13. The hydrogen fuel carrying combined cycle steam power plant is characterized in that in any one of the hydrogen fuel carrying combined cycle steam power plants in the 1 st to 12 th, an expansion speed increaser is added to replace the expansion machine, a second expansion speed increaser is added to replace the second expansion machine, a dual-energy compressor is added to replace the compressor, a newly added diffuser pipe is added to replace the booster pump, a second dual-energy compressor is added to replace the second compressor, and the hydrogen fuel carrying combined cycle steam power plant is formed.

Description of the drawings:

FIG. 1 is a schematic thermodynamic system diagram of a hydrogen-fuelled and combined cycle steam power plant according to the present invention.

FIG. 2 is a schematic thermodynamic system diagram of a hydrogen-fuelled and combined cycle steam power plant according to the present invention.

FIG. 3 is a schematic thermodynamic system diagram of a hydrogen fuel carrying combined cycle steam power plant according to the present invention, type 3.

FIG. 4 is a schematic thermodynamic system diagram of a hydrogen-fuelled and combined cycle steam power plant according to the present invention.

FIG. 5 is a schematic thermodynamic system diagram of a hydrogen fuel carrying combined cycle steam power plant according to the present invention.

FIG. 6 is a schematic thermodynamic system diagram of a hydrogen fuel carrying combined cycle steam power plant according to the present invention.

FIG. 7 is a schematic thermodynamic system diagram of a hydrogen fuel carrying combined cycle steam power plant according to the present invention.

FIG. 8 is a schematic thermodynamic system diagram of a hydrogen fuel carrying combined cycle steam power plant according to the present invention, 8 th principles.

FIG. 9 is a schematic thermodynamic system diagram of a hydrogen fuel carrying combined cycle steam power plant 9 according to the present invention.

FIG. 10 is a schematic thermodynamic system diagram of a hydrogen fuel carrying combined cycle steam power plant according to the present invention.

FIG. 11 is a schematic thermodynamic system diagram of a hydrogen fuel carrying combined cycle steam power plant 11 th principle according to the present invention.

FIG. 12 is a schematic thermodynamic system diagram of a hydrogen fuel carrying combined cycle steam power plant 12 according to the present invention.

In the figure, the 1-expander, the 2-second expander, the 3-compressor, the 4-booster pump, the 5-regenerator, the 6-condenser, the 7-evaporator, the 8-heat source heat exchanger, the 9-second compressor, the 10-combustion chamber, the 11-second regenerator, the 12-second booster pump, the 13-low temperature regenerator, the 14-second evaporator, the 15-diffuser pipe and the 16-heat source heat exchanger; 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 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 fuel carrying combined cycle steam power plant shown in fig. 1 is implemented as follows:

(1) Structurally, the 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 and a combustion chamber; the outside is provided with a hydrogen channel and a combustion chamber 10 which are communicated, the outside is provided with an oxygen channel and a combustion chamber 10 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 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 condensate pipeline which is communicated with the evaporator 7 through the booster pump 4, then the evaporator 7 is further provided with a steam channel which is communicated with the 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 10 through the second compressor 9, the combustion chamber 10 is also provided with a steam channel which is communicated with the expander 1, the expander 1 is also provided with a low-pressure steam channel which is communicated with the evaporator 7 through the heat regenerator 5, the evaporator 7 is also provided with a low-pressure steam channel which is divided into two paths, namely, the first path is communicated with the compressor 3 and the second path is communicated with the condenser 6, and the condenser 6 is also provided with a condensate 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 the combustion chamber 10 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 is subjected to heat absorption and heating through the heat regenerator 5 and is subjected to depressurization and work through the second expander 2 and then is provided for the evaporator 7, and the second path is subjected to heat absorption and heating through the heat source heat exchanger 8 after the boosting and heating are continued; part of condensate discharged by the condenser 6 is boosted by the booster pump 4, absorbs heat and rises temperature and is vaporized by the evaporator 7, and then enters the heat source heat exchanger 8 to absorb heat and rise temperature; the steam discharged by the heat source heat exchanger 8 flows through the second compressor 9 to be boosted and heated, then enters the combustion chamber 10, is mixed with high-temperature steam, absorbs heat and is heated; the steam discharged by the combustion chamber 10 flows through the expander 1 to reduce pressure and work, flows through the regenerator 5 to release heat and reduce temperature, and then enters 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 driving heat load through the heat source heat exchanger 8, the hydrogen fuel provides driving heat load through the combustion chamber 10, and the cooling medium takes away 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 power, 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 power, so that a hydrogen fuel carrying combined cycle steam power plant is formed.

The hydrogen fuel carrying combined cycle steam power plant shown in fig. 2 is implemented as follows:

(1) Structurally, the 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 and a combustion chamber; the outside is provided with a hydrogen channel and a combustion chamber 10 which are communicated, the outside is provided with an oxygen channel and a combustion chamber 10 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 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 condensate pipeline which is communicated with the evaporator 7 through the booster pump 4, then the evaporator 7 is 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 10 through the second compressor 9, the combustion chamber 10 is also provided with a steam channel which is communicated with the expander 1, the expander 1 is further provided with a low-pressure steam channel which is communicated with the evaporator 7 after the heat regenerator 5 is communicated with the expander 1, the evaporator 7 is also provided with a low-pressure steam channel which is divided into two paths, namely, the first path is communicated with the compressor 3 and the second path is communicated with the condenser 6, and the condenser 6 is also provided with a condensate 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 flow, the difference compared to the hydrogen fuel carrying combined cycle steam power plant shown in FIG. 1 is that: the steam discharged by the combustion chamber 10 enters the expander 1 to perform decompression and work, flows through the regenerator 5 to release heat and cool to a certain extent, enters the expander 1 to continue decompression and work, and then is provided for the evaporator 7 to form the hydrogen fuel carrying combined cycle steam power device.

The hydrogen fuel carrying combined cycle steam power plant shown in fig. 3 is implemented as follows:

(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 combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel which is communicated with a combustion chamber 10, the outside is provided with an oxygen channel which is communicated with the combustion chamber 10, 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 provided with a low-pressure steam channel which is communicated with an evaporator 7, the compressor 3 is also provided with a second steam channel which is communicated with a heat source heat exchanger 8, the condenser 6 is provided with a condensate pipeline which is communicated with the evaporator 7 through a booster pump 4, 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 10 through a second compressor 9 and a second heat regenerator 11, the combustion chamber 10 is also provided with a steam channel which is communicated with the expander 1, the expander 1 is also provided with a low-pressure steam channel which is communicated with the evaporator 7 through a second heat regenerator 11 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 condensate pipeline which is also communicated with the condenser 6 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 flow, the difference compared to the hydrogen fuel carrying combined cycle steam power plant shown in FIG. 1 is that: steam discharged by the second compressor 9 flows through the second heat regenerator 11 to absorb heat and raise temperature, and then enters the combustion chamber 10; the low-pressure steam discharged by the expander 1 flows through the second heat regenerator 11 and the heat regenerator 5 to release heat gradually and cool down, and then is supplied to the evaporator 7 to form the hydrogen fuel carrying combined cycle steam power plant.

The hydrogen fuel carrying combined cycle steam power plant shown in fig. 4 is implemented as follows:

(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 combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel which is communicated with a combustion chamber 10, the outside is provided with an oxygen channel which is communicated with the combustion chamber 10, 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 provided with a low-pressure steam channel which is communicated with an evaporator 7, the compressor 3 is also provided with a second steam channel which is communicated with a heat source heat exchanger 8, the condenser 6 is provided with a condensate pipeline which is communicated with the evaporator 7 through a booster pump 4, 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 10 through a second heat regenerator 11 and a second compressor 9, the combustion chamber 10 is also provided with a steam channel which is communicated with the expander 1, the expander 1 is also provided with a low-pressure steam channel which is communicated with the evaporator 7 through a second heat regenerator 11 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 condensate pipeline which is also communicated with the condenser 6 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 flow, the difference compared to the hydrogen fuel carrying combined cycle steam power plant shown in FIG. 1 is that: steam discharged by the heat source heat exchanger 8 absorbs heat and rises temperature through the second heat regenerator 11, rises pressure and rises temperature through the second compressor 9, and then enters the combustion chamber 10; the low-pressure steam discharged by the expander 1 flows through the second heat regenerator 11 and the heat regenerator 5 to release heat gradually and cool down, and then is supplied to the evaporator 7 to form the hydrogen fuel carrying combined cycle steam power plant.

The hydrogen fuel carrying combined cycle steam power plant shown in fig. 5 is implemented as follows:

(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 combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel which is communicated with a combustion chamber 10, the outside is also provided with an oxygen channel which is communicated with the combustion chamber 10, 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 11, the condenser 6 is provided with a condensate pipeline which is communicated with the evaporator 7 through a booster pump 4 and then is communicated with the heat source heat exchanger 8 through the second heat regenerator 11, the heat source heat exchanger 8 is also provided with a steam channel which is communicated with the combustion chamber 10 through a second compressor 9, the combustion chamber 10 is also provided with a steam channel which is communicated with the expander 1, the expander 1 is also provided with a low-pressure steam channel which is communicated with the evaporator 7 through the second heat regenerator 11 and the heat regenerator 5, 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 condensate 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 flow, the difference compared to the hydrogen fuel carrying combined cycle steam power plant shown in FIG. 1 is that: the high-pressure steam discharged from the evaporator 7 and the compressor 3 flows through the second regenerator 11 to absorb heat and raise temperature, and is then supplied to the heat source heat exchanger 8; the low-pressure steam discharged by the expander 1 flows through the second heat regenerator 11, the heat regenerator 5 and the evaporator 7 to release heat and cool gradually, and then respectively enters the compressor 3 to raise the pressure and raise the temperature and enters the condenser 6 to release heat and condense, so that the hydrogen fuel carrying combined cycle steam power device is formed.

The hydrogen fuel carrying combined cycle steam power plant shown in fig. 6 is implemented as follows:

(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 combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel and a combustion chamber 10 which are communicated, the outside is also provided with an oxygen channel and a combustion chamber 10 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 condensate pipeline which is communicated with the evaporator 7 through the booster pump 4, then the evaporator 7 is further provided with a steam channel which is communicated with the 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 10 through the second compressor 9 and the second heat regenerator 11, the combustion chamber 10 is also provided with a steam channel which is communicated with the expander 1, the expander 1 is also provided with a low-pressure steam channel which is communicated with the evaporator 7 through the heat regenerator 5 after the second heat regenerator 11 is communicated with the expander 1, 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 water pipe of the 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 flow, the difference compared to the hydrogen fuel carrying combined cycle steam power plant shown in FIG. 1 is that: steam discharged by the second compressor 9 flows through the second heat regenerator 11 to absorb heat and raise temperature, and then enters the combustion chamber 10; the steam discharged by the combustion chamber 10 enters the expander 1 to perform decompression and work, flows through the second heat regenerator 11 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 fuel carrying combined cycle steam power device.

The hydrogen fuel carrying combined cycle steam power plant shown in fig. 7 is implemented as follows:

(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 combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel and a combustion chamber 10 which are communicated, the outside is also provided with an oxygen channel and a combustion chamber 10 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 condensate pipeline which is communicated with the evaporator 7 through the booster pump 4, then the evaporator 7 is further provided with a steam channel which is communicated with the 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 10 through the second heat regenerator 11 and the second compressor 9, the combustion chamber 10 is also provided with a steam channel which is communicated with the expander 1, the expander 1 is further provided with a low-pressure steam channel which is communicated with the evaporator 7 through the heat regenerator 5 after the second heat regenerator 11 is communicated with the expander 1, 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 water pipe of the 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 flow, the difference compared to the hydrogen fuel carrying combined cycle steam power plant shown in FIG. 1 is that: the steam discharged from the heat source heat exchanger 8 absorbs heat and rises temperature through the second regenerator 11, and is then supplied to the second compressor 9; the steam discharged by the combustion chamber 10 enters the expander 1 to perform decompression and work, flows through the second heat regenerator 11 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 fuel carrying combined cycle steam power device.

The hydrogen fuel carrying combined cycle steam power plant shown in fig. 8 is implemented as follows:

(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 combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel which is communicated with a combustion chamber 10, the outside is also provided with an oxygen channel which is communicated with the combustion chamber 10, 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 through a second heat regenerator 11, 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 11 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 combustion chamber 10 through a second compressor 9, the combustion chamber 10 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 after being communicated with the expander 1, 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; 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 flow, the difference compared to the hydrogen fuel carrying combined cycle steam power plant shown in FIG. 1 is that: the high-pressure steam discharged from the evaporator 7 and the compressor 3 flows through the second regenerator 11 to absorb heat and raise temperature, and is then supplied to the heat source heat exchanger 8; the steam discharged by the combustion chamber 10 enters the expander 1 to perform decompression and work, flows through the second heat regenerator 11 to release heat and cool to a certain extent, enters the expander 1 to continue decompression and work, flows through the heat regenerator 5 to release heat and cool and is provided for the evaporator 7, and the hydrogen fuel carrying combined cycle steam power device is formed.

The hydrogen fuel carrying combined cycle steam power plant shown in fig. 9 is implemented as follows:

(1) Structurally, in the hydrogen-fuel carrying combined cycle steam power plant shown in fig. 3, the second compressor 9 is provided with a steam passage which is communicated with the combustion chamber 10 through the second heat regenerator 11, so that the second compressor 9 is adjusted to be provided with a steam passage which is communicated with the second heat regenerator 11, and then the second compressor 9 is further provided with a steam passage which is communicated with the combustion chamber 10.

(2) In flow, the difference compared to the hydrogen fuel carrying combined cycle steam power plant shown in fig. 3 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 11 to absorb heat and heat, enters the second compressor 9 to be boosted and heated continuously, and then is supplied to the combustion chamber 10 to form the hydrogen fuel co-cycle steam power plant.

The hydrogen fuel carrying combined cycle steam power plant shown in fig. 10 is implemented as follows:

(1) In the structure, in the hydrogen fuel carrying combined cycle steam power device shown in fig. 1, a second booster pump and a low-temperature heat regenerator are added, a condensate pipe of the condenser 6 is communicated with the booster pump 4, the condensate pipe of the condenser 6 is communicated with the low-temperature heat regenerator 13 through the second booster pump 12, a steam extraction channel is additionally arranged on the compressor 3 and is communicated with the low-temperature heat regenerator 13, and the condensate pipe of the low-temperature heat regenerator 13 is communicated with the booster pump 4.

(2) In flow, the difference compared to the hydrogen fuel carrying combined cycle steam power plant shown in FIG. 1 is that: part of condensate discharged by the condenser 6 flows through the second booster pump 12 to be boosted and then enters the low-temperature regenerator 13 to be mixed with the extracted steam from the compressor 3, absorbs heat and heats up, and the extracted steam is released to form condensate; condensate of the low-temperature heat regenerator 13 flows through the booster pump 4 to boost pressure, and then enters the evaporator 7 to absorb heat to raise temperature and vaporize; the low-pressure steam discharged by the heat regenerator 5 and the second expander 2 flows through the evaporator 7 to release heat and cool, and then is divided into two paths, wherein the first path enters the compressor 3 to raise the pressure and the temperature, and the second path enters the condenser 6 to release heat and condense; the low-pressure steam enters the compressor 3 to be boosted and heated to a certain extent, and then is divided into two paths, namely a first path is provided for the low-temperature heat regenerator 13, and a second path is divided into two paths after the boosting and the heating are continued, namely the first path is provided for the heat regenerator 5 and the second path enters the heat source heat exchanger 8, so that the hydrogen fuel carrying combined cycle steam power device is formed.

The hydrogen fuel carrying combined cycle steam power plant shown in fig. 11 is implemented as follows:

(1) In the combined cycle steam power plant with hydrogen fuel as shown in fig. 1, a second evaporator and a diffuser pipe are added, the communication between the low-pressure steam channel of the regenerator 5 and the evaporator 7 is adjusted to be that the low-pressure steam channel of the regenerator 5 is communicated with the second evaporator 14 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 14 through the evaporator 7, the communication between the low-pressure steam channel of the evaporator 7 and the compressor 3 and the condenser 6 is respectively adjusted to be that the low-pressure steam channel of the second evaporator 14 is respectively communicated with the compressor 3 and the condenser 6, the communication between the condenser 6 and the evaporator 7 is adjusted to be that the condensate channel of the condenser 6 is communicated with the second evaporator 14 through the booster pump 4, and then the wet steam channel of the second evaporator 14 is communicated with the evaporator 7 through the diffuser pipe 15.

(2) In flow, the difference compared to the hydrogen fuel carrying combined cycle steam power plant shown in FIG. 1 is that: part of condensate discharged by the condenser 6 is boosted by the booster pump 4, absorbs heat and warms up by the second evaporator 14, is partially vaporized and is increased in speed, is reduced in speed and boosted by the diffuser pipe 15, and then enters the evaporator 7 to absorb heat and vaporize; low-pressure steam discharged by the heat regenerator 5 and the second expander 2 is gradually released and cooled through the evaporator 7 and the second evaporator 14, and then respectively enters the compressor 3 for boosting and heating and the condenser 6 for releasing heat and condensing, so that the hydrogen fuel carrying combined cycle steam power device is formed.

The hydrogen fuel carrying combined cycle steam power plant shown in fig. 12 is implemented as follows:

(1) Structurally, in the hydrogen-fuel-carrying combined cycle steam power plant shown in fig. 1, an expansion speed increaser a is added and replaces the expander 1, a second expansion speed increaser B is added and replaces the second expander 2, a dual-energy compressor C is added and replaces the compressor 3, a newly added diffuser pipe D is added and replaces the booster pump 4, and a second dual-energy compressor E is added and replaces the second compressor 9.

(2) In flow, the difference compared to the hydrogen fuel carrying combined cycle steam power plant shown in FIG. 1 is that: part of low-pressure steam discharged by the evaporator 7 enters the dual-energy compressor C to be boosted, heated and decelerated to a certain extent and then is divided into two paths, wherein the first path is subjected to heat absorption and heating through the heat regenerator 5, and the second path is subjected to depressurization, work and acceleration through the second expansion speed increaser B and then is provided for the evaporator 7, and the second path is subjected to heat absorption and heating through the heat source heat exchanger 8 after the second path is subjected to continuous boosting and heating; part of condensate discharged by the condenser 6 flows through the newly added diffuser pipe D to be reduced in speed and boosted, flows through the evaporator 7 to absorb heat and evaporate, and then enters the heat source heat exchanger 8 to absorb heat and raise temperature; the steam discharged by the heat source heat exchanger 8 flows through the second dual-energy compressor E to be boosted, heated and decelerated, and then enters the combustion chamber 10 to be mixed with high-temperature steam, absorb heat and heated; the steam discharged by the combustion chamber 10 flows through the expansion speed increaser A to be decompressed, work done and slowed down, flows through the heat regenerator 5 to release heat and cool down, 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 power to form the hydrogen fuel carrying combined cycle steam power device.

The hydrogen fuel carrying combined cycle steam power device has the following effects and advantages:

(1) The hydrogen fuel and the conventional heat resource share an integrated thermal power system, and the thermal power systems of different driving energy sources are combined into a whole, so that the construction cost of the thermal power system is saved, and the cost performance is high.

(2) And the hydrogen fuel and the conventional heat resource realize cross-type and cross-grade carrying, flexible connection and high thermodynamic perfection.

(3) The application value of conventional heat resource power is developed at a high level, the irreversible loss of temperature difference in the process of providing driving heat load by hydrogen fuel is reduced, and the utilization value of converting the hydrogen fuel into mechanical energy is improved.

(4) 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.

(5) The hydrogen fuel and the conventional heat resource provide driving heat load links, so that the temperature difference loss is small, and the thermodynamic perfection is high.

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

(7) The utilization degree of the temperature difference in the back heating link between gases (steam) is high, and the heat-changing work efficiency is improved.

(8) And in the regenerative link between the gas (steam) working medium and the liquid working medium, the flow rate of the gas working medium is large, the temperature change interval is relatively narrow, the irreversible loss of the temperature difference is reduced, and the heat-variable work efficiency is improved.

(9) The conventional heat resource 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 large-load hydrogen fuel carrying combined cycle steam power device.

(10) 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.

(11) 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.

(12) 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 fuel carrying combined cycle steam power plant is expanded.

Claims

1. The hydrogen fuel carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor and a combustion chamber; the outside is provided with a hydrogen channel which is communicated with a combustion chamber (10), the outside is also provided with an oxygen channel which is communicated with the combustion chamber (10), 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 condensate 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 (10) through a second compressor (9), 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 the first path is communicated with the compressor (3) and the second path is also communicated with the condenser (6), and the condenser (6) is communicated with the outside through the condensate pipeline; 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 expander (1) is connected with the compressor (3) and the second compressor (9) and transmits power to form a hydrogen fuel carrying 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 fuel carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor and a combustion chamber; the outside is provided with a hydrogen channel which is communicated with a combustion chamber (10), the outside is also provided with an oxygen channel which is communicated with the combustion chamber (10), 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 condensate pipeline which is communicated with the evaporator (7) through a booster pump (4), the evaporator (7) is further provided with a steam channel which is communicated with the heat source heat exchanger (8), the heat source heat exchanger (8) is also provided with a steam channel which is communicated with the combustion chamber (10) through a second compressor (9), the expander (1) is also provided with a low-pressure steam channel which is communicated with the evaporator (7) after the expander (5) is also communicated with the expander, the evaporator (7) is also provided with a low-pressure steam channel which is divided into two paths, namely, the first path is communicated with the compressor (3) and the second path is communicated with the condensate pipeline (6), and the condensate pipeline 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 expander (1) is connected with the compressor (3) and the second compressor (9) and transmits power to form a hydrogen fuel carrying 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 fuel carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel which is communicated with a combustion chamber (10), the outside is also provided with an oxygen channel which is communicated with the combustion chamber (10), 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 condensate pipeline which is communicated with the evaporator (7) through a booster pump (4), the evaporator (7) is further provided with a steam channel which is communicated with the heat source heat exchanger (8), the heat source heat exchanger (8) is also provided with a steam channel which is communicated with the combustion chamber (10) through a second compressor (9) and a second heat regenerator (11), the combustion chamber (10) is also provided with a steam channel which is communicated with the expander (1), the expander (1) is also provided with a low-pressure steam channel which is communicated with the evaporator (7) through the second heat regenerator (11) and the heat regenerator (5), the evaporator (7) is also provided with a low-pressure steam channel which is divided into two paths, namely the first path is communicated with the compressor (3) and the second path which is communicated with the condenser (6); the condenser (6) is also provided with a cooling medium channel which is communicated with the outside, the heat source heat exchanger (8) is also provided with a heat source medium channel which is communicated with the outside, the expander (1) is connected with the compressor (3) and the second compressor (9) and transmits power to form a hydrogen fuel carrying 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 fuel carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel which is communicated with a combustion chamber (10), the outside is also provided with an oxygen channel which is communicated with the combustion chamber (10), 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 condensate pipeline which is communicated with the evaporator (7) through a booster pump (4), the evaporator (7) is further provided with a steam channel which is communicated with the heat source heat exchanger (8), the heat source heat exchanger (8) is also provided with a steam channel which is communicated with the combustion chamber (10) through a second heat regenerator (11) and a second compressor (9), the combustion chamber (10) is also provided with a steam channel which is communicated with the expander (1), the expander (1) is also provided with a low-pressure steam channel which is communicated with the evaporator (7) through the second heat regenerator (11) and the heat regenerator (5), 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 which is communicated with the condenser (6); the condenser (6) is also provided with a cooling medium channel which is communicated with the outside, the heat source heat exchanger (8) is also provided with a heat source medium channel which is communicated with the outside, the expander (1) is connected with the compressor (3) and the second compressor (9) and transmits power to form a hydrogen fuel carrying 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 fuel carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel which is communicated with a combustion chamber (10), the outside is also provided with an oxygen channel which is communicated with the combustion chamber (10), 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 (11), the condenser (6) is provided with a condensate pipeline which is communicated with the evaporator (7) through a booster pump (4), the evaporator (7) is also provided with a steam channel which is communicated with the heat source heat exchanger (8) through the second heat regenerator (11), the heat source heat exchanger (8) is also provided with a steam channel which is communicated with the combustion chamber (10) through a second compressor (9), the combustion chamber (10) 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 (11) and the heat regenerator (5), and the evaporator (7) is also provided with two low-pressure steam channels which are communicated with the condenser (6) through the second heat regenerator (3) 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 expander (1) is connected with the compressor (3) and the second compressor (9) and transmits power to form a hydrogen fuel carrying 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 fuel carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel which is communicated with a combustion chamber (10), the outside is also provided with an oxygen channel which is communicated with the combustion chamber (10), 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 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 (10) through a second compressor (9) and a second heat regenerator (11), the combustion chamber (10) 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) after the compressor (3) is also communicated with the evaporator (7) through the second heat regenerator (11), the evaporator (7) is also provided with the low-pressure steam channel which is communicated with the evaporator (6) through the heat regenerator (6), and the low-pressure steam channel is also communicated with the condenser (6) and the condenser (6) 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 expander (1) is connected with the compressor (3) and the second compressor (9) and transmits power to form a hydrogen fuel carrying 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 fuel carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel which is communicated with a combustion chamber (10), the outside is also provided with an oxygen channel which is communicated with the combustion chamber (10), 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 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 (10) through a second heat regenerator (11) and a second compressor (9), the combustion chamber (10) 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) after the second heat regenerator (11) is communicated with the evaporator (1), the low-pressure steam channel which is also communicated with the evaporator (7) is also communicated with the evaporator (6) through the heat regenerator (6), and the low-pressure steam channel is also communicated with the second evaporator (6) and the condenser (6) 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 expander (1) is connected with the compressor (3) and the second compressor (9) and transmits power to form a hydrogen fuel carrying 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 fuel carrying combined cycle steam power device mainly comprises an expander, a second expander, a compressor, a booster pump, a heat regenerator, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a combustion chamber and a second heat regenerator; the outside is provided with a hydrogen channel which is communicated with a combustion chamber (10), the outside is also provided with an oxygen channel which is communicated with the combustion chamber (10), 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 (11), the condenser (6) is provided with a condensate pipeline which is communicated with the evaporator (7) through a booster pump (4), the evaporator (7) is also provided with a steam channel which is communicated with the heat source heat exchanger (8) through the second heat regenerator (11), the heat source heat exchanger (8) is also provided with a steam channel which is communicated with the combustion chamber (10) through a second compressor (9), the expander (1) is also provided with a steam channel which is communicated with the evaporator (7) through a second heat regenerator (11), the evaporator (1) is also provided with a low-pressure steam channel which is also communicated with the evaporator (7) through the evaporator (5), and the evaporator (7) is also provided with the condensate pipeline which is communicated with the second heat exchanger (6), and the condensate pipeline (6) is communicated with the second heat exchanger (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 expander (1) is connected with the compressor (3) and the second compressor (9) and transmits power to form a hydrogen fuel carrying 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 fuel carrying and combined cycle steam power plant according to claim 3 or claim 6, the second compressor (9) is provided with a steam channel which is communicated with the combustion chamber (10) through the second heat regenerator (11), and the second compressor (9) is adjusted to be provided with a steam channel which is communicated with the second heat regenerator (11) and then is communicated with the combustion chamber (10) through the steam channel, so that the hydrogen fuel carrying and combined cycle steam power plant is formed.

10. The hydrogen fuel carrying and 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 fuel carrying and combined cycle steam power devices in claims 1-9, a condensate pipeline of a condenser (6) is communicated with the booster pump (4) and is adjusted to be communicated with the low-temperature heat regenerator (13) through the second booster pump (12), a steam extraction channel is additionally arranged in the compressor (3) and is communicated with the low-temperature heat regenerator (13), and a condensate pipeline of the low-temperature heat regenerator (13) is communicated with the booster pump (4) to form the hydrogen fuel carrying and combined cycle steam power device.

11. In the hydrogen fuel carrying and combined cycle steam power device, a second evaporator and a diffusion pipe are added in any one of the hydrogen fuel carrying and combined cycle steam power devices in claims 1 and 3-9, the low-pressure steam channel of a regenerator (5) is communicated with an evaporator (7) and is regulated to be communicated with the second evaporator (14) through the evaporator (7), the low-pressure steam channel of a second expander (2) is communicated with the evaporator (7) and is regulated to be communicated with the second expander (2) through the evaporator (7) and is communicated with the second evaporator (14), the low-pressure steam channel of the evaporator (7) is respectively communicated with the compressor (3) and the condenser (6) and is regulated to be communicated with the second evaporator (14) through the low-pressure steam channel of the compressor (3) and the condenser (6), the condensate pipe of the condenser (6) is communicated with the second evaporator (14) through the booster pump (4) and is regulated to be communicated with the condensate pipe of the condenser (6) through the condenser (4) and is communicated with the second evaporator (14) through the second evaporator (14), and then the condensate pipe of the condenser (6) is communicated with the second evaporator (14) through the second evaporator (14) and is communicated with the wet steam power device.

12. In the hydrogen fuel carrying and combined cycle steam power device, a second evaporator and a diffuser pipe are added in the hydrogen fuel carrying and combined cycle steam power device according to claim 2, the low-pressure steam channel of the expander (1) is communicated with the evaporator (7) and is adjusted to be communicated with the expander (1) through the evaporator (7) and the second evaporator (14), the low-pressure steam channel of the second expander (2) is communicated with the evaporator (7) and is adjusted to be communicated with the second evaporator (14) through the evaporator (7), the low-pressure steam channel of the evaporator (7) is respectively communicated with the compressor (3) and the condenser (6), the low-pressure steam channel of the second evaporator (14) is respectively communicated with the compressor (3) and the condenser (6), the condensate pipe of the condenser (6) is communicated with the evaporator (7) through a pressure boosting pump (4) and is adjusted to be communicated with the condensate pipe of the condenser (6) through the pressure boosting pump (4) and is communicated with the second evaporator (14) and then is communicated with the second evaporator (14) through the second evaporator (14) and is further communicated with the fuel carrying and the steam power device through the diffuser pipe.

13. In the hydrogen fuel carrying combined cycle steam power plant, 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 new diffusion 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) to form the hydrogen fuel carrying combined cycle steam power plant.