CN117780582A - Photo-thermal type multifunctional portable combined cycle steam power device - Google Patents

Abstract

The invention provides a photo-thermal type multifunctional combined cycle steam power device, and belongs to the technical field of thermodynamics and thermokinetic. The outside has fuel channel to communicate with heating furnace, the outside has air channel to communicate with heating furnace through the heat source regenerator, the heating furnace has fuel gas channel to communicate with outside through the heat source regenerator, the condenser is communicated with medium-temperature photo-thermal system through booster pump and evaporator, the compressor has steam channel to communicate with medium-temperature photo-thermal system, the medium-temperature photo-thermal system also has steam channel to communicate with high-temperature photo-thermal system through the second compressor and heating furnace, the high-temperature photo-thermal system also has steam channel to communicate with steam turbine, the steam turbine also has low-pressure steam channel to divide into two ways after passing through the evaporator-the first way is communicated with compressor and the second way is communicated with condenser; the condenser is also provided with a cooling medium channel which is communicated with the outside, and the steam turbine is connected with the compressor and the second compressor and transmits power to form the photo-thermal type multi-energy portable combined cycle steam power device.

Description

Photo-thermal type multifunctional portable 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:

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

The solar energy forms medium-temperature photo-heat/high-temperature photo-heat by a heat collection technology means, so that the heat change work efficiency is improved, and the improvement of the photo-heat temperature is an important direction of solar energy utilization and development; along with the rise of the photo-thermal temperature, the corresponding construction cost is obviously increased, and the high-temperature photo-thermal needs to play a larger role.

Limited by one or more factors such as working principle, working medium property, material property, equipment manufacturing level and the like, under the existing technical condition, the temperature difference irreversible loss exists in the fuel combustion process; similarly, the power application value of medium-temperature photo-thermal/high-temperature photo-thermal is not fully exerted due to factors such as working principle, materials, safety and the like, and the thermal efficiency is improved greatly.

The invention provides a photo-thermal type multi-energy carrying combined cycle steam power device which takes single-working-medium combined cycle as a working principle, and has the advantages of same steps of high-temperature photo-thermal, fuel and medium-temperature photo-thermal, flexible connection, reasonable flow, simple structure, high thermodynamic perfection, low construction cost and high cost performance.

The invention comprises the following steps:

the invention mainly aims to provide a photo-thermal type multifunctional portable combined cycle steam power device, and the specific invention is described in the following items:

1. the photo-thermal type multifunctional combined cycle steam power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a medium-temperature photo-thermal system, a second compressor, a heating furnace, a heat source regenerator and a high-temperature photo-thermal system; the outside is provided with a fuel channel which is communicated with a heating furnace, the outside is also provided with an air channel which is communicated with the heating furnace through a heat source regenerator, the heating furnace is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator, a condenser is provided with a condensate pipeline which is communicated with an evaporator through a booster pump, then the evaporator is provided with a steam channel which is communicated with a medium-temperature photo-thermal system, the compressor is provided with a steam channel which is communicated with the medium-temperature photo-thermal system, the medium-temperature photo-thermal system is also provided with a steam channel which is communicated with a high-temperature photo-thermal system through a second compressor and the heating furnace, the high-temperature photo-thermal system is also provided with a steam channel which is communicated with a steam turbine, and the steam turbine is also provided with a low-pressure steam channel which is communicated with the evaporator and then divided into two paths, namely the first path is communicated with the compressor and the second path is communicated with the condenser; the condenser is also provided with a cooling medium channel which is communicated with the outside, and the steam turbine is connected with the compressor and the second compressor and transmits power to form a photo-thermal type multi-energy carrying combined cycle steam power device; wherein, or steam turbine connects compressor, booster pump and second compressor and transmits power.

2. The photo-thermal type multifunctional combined cycle steam power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a medium-temperature photo-thermal system, a second compressor, a heating furnace, a heat source regenerator, a high-temperature photo-thermal system and a regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace, the outside is also provided with an air channel which is communicated with the heating furnace through a heat source regenerator, the heating furnace is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator, a condenser is provided with a condensate pipeline which is communicated with an evaporator through a booster pump, then the evaporator is provided with a steam channel which is communicated with a medium-temperature photothermal system, the compressor is provided with a steam channel which is communicated with the medium-temperature photothermal system, the medium-temperature photothermal system is also provided with a steam channel which is communicated with a high-temperature photothermal system through a second compressor, the regenerator and the heating furnace, the high-temperature photothermal system is also provided with a steam channel which is communicated with a steam turbine, and the steam turbine is also provided with a low-pressure steam channel which is divided into two paths after being communicated with the evaporator through the regenerator, namely a first path which is communicated with the compressor and a second path which is communicated with the condenser; the condenser is also provided with a cooling medium channel which is communicated with the outside, and the steam turbine is connected with the compressor and the second compressor and transmits power to form a photo-thermal type multi-energy carrying combined cycle steam power device; wherein, or steam turbine connects compressor, booster pump and second compressor and transmits power.

3. The photo-thermal type multifunctional combined cycle steam power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a medium-temperature photo-thermal system, a second compressor, a heating furnace, a heat source regenerator, a high-temperature photo-thermal system and a regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace, the outside is also provided with an air channel which is communicated with the heating furnace through a heat source regenerator, the heating furnace is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator, a condenser is provided with a condensate pipeline which is communicated with the evaporator through a booster pump, then the evaporator is provided with a steam channel which is communicated with a medium-temperature photothermal system, after the compressor is provided with a steam channel which is communicated with a second compressor, the second compressor is provided with a steam channel which is communicated with the second compressor through the regenerator, the second compressor is provided with a steam channel which is communicated with a high-temperature photothermal system through the heating furnace, the high-temperature photothermal system is provided with a steam channel which is communicated with a steam turbine, and the steam turbine is provided with a low-pressure steam channel which is communicated with the evaporator through the regenerator and then divided into two paths, namely a first path which is communicated with the compressor and a second path which is communicated with the condenser; the condenser is also provided with a cooling medium channel which is communicated with the outside, and the steam turbine is connected with the compressor and the second compressor and transmits power to form a photo-thermal type multi-energy carrying combined cycle steam power device; wherein, or steam turbine connects compressor, booster pump and second compressor and transmits power.

4. The photo-thermal type multifunctional combined cycle steam power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a medium-temperature photo-thermal system, a second compressor, a heating furnace, a heat source regenerator, a high-temperature photo-thermal system and a regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace, the outside is also provided with an air channel which is communicated with the heating furnace through a heat source regenerator, the heating furnace is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator, a condenser is provided with a condensate pipeline which is communicated with an evaporator through a booster pump, then the evaporator is provided with a steam channel which is communicated with a medium-temperature photothermal system, the compressor is provided with a steam channel which is communicated with the medium-temperature photothermal system, the medium-temperature photothermal system is also provided with a steam channel which is communicated with a high-temperature photothermal system through the regenerator, a second compressor and the heating furnace, the high-temperature photothermal system is also provided with a steam channel which is communicated with a steam turbine, and the steam turbine is also provided with a low-pressure steam channel which is divided into two paths after being communicated with the evaporator through the regenerator, namely a first path which is communicated with the compressor and a second path which is communicated with the condenser; the condenser is also provided with a cooling medium channel which is communicated with the outside, and the steam turbine is connected with the compressor and the second compressor and transmits power to form a photo-thermal type multi-energy carrying combined cycle steam power device; wherein, or steam turbine connects compressor, booster pump and second compressor and transmits power.

5. The photo-thermal type multifunctional combined cycle steam power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a medium-temperature photo-thermal system, a second compressor, a heating furnace, a heat source regenerator, a high-temperature photo-thermal system, a regenerator and a second regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace, the outside is also provided with an air channel which is communicated with the heating furnace through a heat source regenerator, the heating furnace is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator, a condenser is provided with a condensate pipeline which is communicated with an evaporator through a booster pump, then the evaporator is provided with a steam channel which is communicated with a medium-temperature photothermal system, the compressor is provided with a steam channel which is communicated with the medium-temperature photothermal system, the medium-temperature photothermal system is also provided with a steam channel which is communicated with a high-temperature photothermal system through the regenerator, a second compressor, a second regenerator and the heating furnace, the high-temperature photothermal system is also provided with a steam channel which is communicated with a steam turbine, and the steam turbine is also provided with a low-pressure steam channel which is communicated with the evaporator through the second regenerator and then is divided into two paths, namely, the first path is communicated with the compressor and the second path is communicated with the condenser; the condenser is also provided with a cooling medium channel which is communicated with the outside, and the steam turbine is connected with the compressor and the second compressor and transmits power to form a photo-thermal type multi-energy carrying combined cycle steam power device; wherein, or steam turbine connects compressor, booster pump and second compressor and transmits power.

6. The photo-thermal type multifunctional combined cycle steam power plant is characterized in that in any one of the photo-thermal type multifunctional combined cycle steam power plants in the 2-4 th aspect, a low-pressure steam channel of a steam turbine is communicated with an evaporator through a heat regenerator, and the steam turbine is adjusted to be communicated with the evaporator after the steam channel of the steam turbine is communicated with the heat regenerator, so that the photo-thermal type multifunctional combined cycle steam power plant is formed.

7. The photo-thermal type multifunctional co-carrying combined cycle steam power device in the 5 th aspect is formed by communicating a low-pressure steam channel of a steam turbine with an evaporator through a second heat regenerator and a heat regenerator, adjusting the low-pressure steam channel of the steam turbine to be communicated with the steam turbine through the second heat regenerator, and then communicating the low-pressure steam channel of the steam turbine with the evaporator through the heat regenerator.

8. The photo-thermal type multifunctional combined cycle steam power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a medium-temperature photo-thermal system, a second compressor, a heating furnace, a heat source regenerator and a high-temperature photo-thermal system; the outside is provided with a fuel channel which is communicated with the heating furnace, the outside is also provided with an air channel which is communicated with the heating furnace through a heat source regenerator, the heating furnace is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator, a condenser is provided with a condensate pipeline which is communicated with the evaporator through a booster pump, then the evaporator is provided with a steam channel which is communicated with the heating furnace through a medium-temperature photothermal system and a second compressor, the compressor is provided with a steam channel which is communicated with the heating furnace, the heating furnace is also provided with a steam channel which is communicated with a high-temperature photothermal system, the high-temperature photothermal system is also provided with a steam channel which is communicated with a steam turbine, and the steam turbine is also provided with a low-pressure steam channel which is divided into two paths after being communicated with the evaporator, namely the first path is communicated with the compressor and the second path is communicated with the condenser; the condenser is also provided with a cooling medium channel which is communicated with the outside, and the steam turbine is connected with the compressor and the second compressor and transmits power to form a photo-thermal type multi-energy carrying combined cycle steam power device; wherein, or steam turbine connects compressor, booster pump and second compressor and transmits power.

9. The photo-thermal type multifunctional combined cycle steam power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a medium-temperature photo-thermal system, a second compressor, a heating furnace, a heat source regenerator and a high-temperature photo-thermal system; the outside is provided with a fuel channel which is communicated with the heating furnace, the outside is also provided with an air channel which is communicated with the heating furnace through a heat source regenerator, the heating furnace is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator, a condenser is provided with a condensate pipeline which is communicated with the evaporator through a booster pump, then the evaporator is provided with a steam channel which is communicated with a medium temperature photothermal system, the medium temperature photothermal system is also provided with a steam channel which is communicated with a steam turbine through an intermediate port, the compressor is provided with a steam channel which is communicated with a high temperature photothermal system through the medium temperature photothermal system, a second compressor and the heating furnace, the high temperature photothermal system is also provided with a steam channel which is communicated with the steam turbine, and the steam turbine is also provided with a low pressure steam channel which is communicated with the evaporator and then divided into two paths, namely a first path which is communicated with the compressor and a second path which is communicated with the condenser; the condenser is also provided with a cooling medium channel which is communicated with the outside, and the steam turbine is connected with the compressor and the second compressor and transmits power to form a photo-thermal type multi-energy carrying combined cycle steam power device; wherein, or steam turbine connects compressor, booster pump and second compressor and transmits power.

10. The photo-thermal type multifunctional combined cycle steam power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a medium-temperature photo-thermal system, a second compressor, a heating furnace, a heat source regenerator, a high-temperature photo-thermal system and a second steam turbine; the outside is provided with a fuel channel which is communicated with a heating furnace, the outside is also provided with an air channel which is communicated with the heating furnace through a heat source regenerator, the heating furnace is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator, a condenser is provided with a condensate pipe which is communicated with an evaporator through a booster pump, then the evaporator is provided with a steam channel which is communicated with a second steam turbine, the second steam turbine is also provided with a low-pressure steam channel which is communicated with the evaporator, the compressor is provided with a steam channel which is communicated with a high-temperature photo-thermal system through a medium-temperature photo-thermal system, a second compressor and the heating furnace, the high-temperature photo-thermal system is also provided with a steam channel which is communicated with the steam turbine, the steam turbine is also provided with a low-pressure steam channel which is respectively communicated with the compressor and the condenser; the condenser is also provided with a cooling medium channel which is communicated with the outside, and the steam turbine is connected with the compressor and the second compressor and transmits power to form a photo-thermal type multi-energy carrying combined cycle steam power device; wherein, or steam turbine connects compressor, booster pump and second compressor and transmits power.

11. The photo-thermal type multifunctional co-carrying combined cycle steam power device is characterized in that in any one of the photo-thermal type multifunctional co-carrying combined cycle steam power devices in the 1 st to 10 th, a high-temperature photo-thermal system is provided with a steam channel which is communicated with a steam turbine, and the steam turbine is also provided with a reheat steam channel which is communicated with the steam turbine through a heating furnace after the high-temperature photo-thermal system is provided with the steam channel which is communicated with the steam turbine is adjusted to form the photo-thermal type multifunctional co-carrying combined cycle steam power device.

12. The photo-thermal type multifunctional combined cycle steam power plant is characterized in that in any one of the photo-thermal type multifunctional combined cycle steam power plants in the 1 st to 10 th, a steam channel of a high-temperature photo-thermal system is communicated with a steam turbine, and the steam turbine and a reheat steam channel of the steam turbine are communicated with the photo-thermal system through the high-temperature photo-thermal system after the steam channel of the high-temperature photo-thermal system is communicated with the steam turbine, so that the photo-thermal type multifunctional combined cycle steam power plant is formed.

13. The photo-thermal type multifunctional combined cycle steam power plant is characterized in that in any one of the photo-thermal type multifunctional combined cycle steam power plant in the 1 st to 10 th, a steam channel of a high-temperature photo-thermal system is communicated with a steam turbine, and the steam turbine and a reheat steam channel of the steam turbine are communicated with the photo-thermal system through a heating furnace and the high-temperature photo-thermal system after the steam channel of the high-temperature photo-thermal system is communicated with the steam turbine, so that the photo-thermal type multifunctional combined cycle steam power plant is formed.

14. A photo-thermal type multi-energy co-cycle steam power plant is characterized in that in any one of the photo-thermal type multi-energy co-cycle steam power plants in the 1 st to 13 th, a second booster pump and a low-temperature heat regenerator are added, 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 photo-thermal type multi-energy co-cycle steam power plant is formed.

15. A photo-thermal type multifunctional combined cycle steam power device is characterized in that in any one of the photo-thermal type multifunctional combined cycle steam power devices in the 1 st and the 6 th, a new evaporator and a new diffusion pipe are added, a low-pressure steam channel of a steam turbine is communicated with the evaporator and is adjusted to be communicated with the new evaporator through the evaporator, the low-pressure steam channel of the steam turbine is respectively communicated with a compressor and a condenser and is adjusted to be communicated with the new evaporator through the low-pressure steam channel which is respectively communicated with the compressor and the condenser, a condensate pipe of the condenser is adjusted to be communicated with the new evaporator through a booster pump through the condensate pipe of the condenser, and then a wet steam channel of the new evaporator is communicated with the evaporator through the new diffusion pipe, so that the photo-thermal type multifunctional combined cycle steam power device is formed.

16. A photo-thermal type multifunctional combined cycle steam power device is characterized in that in any one of the photo-thermal type multifunctional combined cycle steam power devices in the 2 th to the 5 th and the 7 th, a new evaporator and a new diffusion pipe are added, the communication between a low-pressure steam channel of a regenerator and the evaporator is adjusted to be that the regenerator is provided with a low-pressure steam channel which is communicated with the new evaporator through the evaporator, the communication between the evaporator and the compressor is adjusted to be that the new evaporator is provided with a low-pressure steam channel which is respectively communicated with the compressor and the condenser, the communication between a condensate pipe of the condenser and the evaporator is adjusted to be that the condensate pipe of the condenser is communicated with the new evaporator through the booster pump, and then the new evaporator is provided with a wet steam channel which is communicated with the evaporator through the new diffusion pipe, so that the photo-thermal type multifunctional combined cycle steam power device is formed.

17. The photo-thermal type multi-energy co-carrying combined cycle steam power plant is characterized in that in any one of the photo-thermal type multi-energy co-carrying combined cycle steam power plants in the 1 st to 16 th, an expansion speed increaser is added to replace a steam turbine, a dual-energy compressor is added to replace a compressor, a diffuser pipe is added to replace a booster pump, and the photo-thermal type multi-energy co-carrying combined cycle steam power plant is formed.

18. The photo-thermal type multi-energy co-carrying combined cycle steam power plant according to any one of the 1 st to 16 th embodiments is characterized in that an expansion speed increaser is added to replace a steam turbine, a dual-energy compressor is added to replace a compressor, a diffuser pipe is added to replace a booster pump, a second dual-energy compressor is added to replace a second compressor, and the photo-thermal type multi-energy co-carrying combined cycle steam power plant is formed.

Description of the drawings:

FIG. 1 is a schematic thermodynamic system diagram of a photo-thermal type multi-energy portable combined cycle steam power plant according to the present invention.

FIG. 2 is a schematic thermodynamic system diagram of a photo-thermal type multi-energy portable combined cycle steam power plant according to the present invention.

FIG. 3 is a schematic thermodynamic system diagram of a photo-thermal type multi-energy portable combined cycle steam power plant according to the invention.

FIG. 4 is a schematic thermodynamic system diagram of a photo-thermal type multi-energy portable combined cycle steam power plant according to the present invention.

FIG. 5 is a schematic thermodynamic system diagram of a photo-thermal type multi-energy portable combined cycle steam power plant according to the present invention.

FIG. 6 is a schematic thermodynamic system diagram of a photo-thermal type multi-energy portable combined cycle steam power plant according to the present invention.

FIG. 7 is a schematic thermodynamic system diagram of a photo-thermal type multi-energy portable combined cycle steam power plant according to the invention.

FIG. 8 is a schematic thermodynamic system diagram of a photo-thermal type multi-energy portable combined cycle steam power plant according to the present invention.

FIG. 9 is a schematic thermodynamic system diagram of a photo-thermal type multi-energy portable combined cycle steam power plant according to the invention.

FIG. 10 is a schematic thermodynamic system diagram of a photo-thermal type multi-energy portable combined cycle steam power plant according to the present invention.

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

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

FIG. 13 is a schematic thermodynamic system diagram of a photo-thermal type multi-energy portable combined cycle steam power plant 13 according to the present invention.

FIG. 14 is a schematic thermodynamic system diagram of a photo-thermal type multi-energy portable combined cycle steam power plant according to the invention.

FIG. 15 is a schematic thermodynamic system diagram of a photo-thermal type multi-energy portable combined cycle steam power plant according to the invention.

In the figure, a 1-turbine, a 2-compressor, a 3-booster pump, a 4-condenser, a 5-evaporator, a 6-heat source heat exchanger, a 7-second compressor, an 8-heating furnace, a 9-heat source regenerator, a 10-solar heat collection system, an 11-regenerator, a 12-second regenerator, a 13-second turbine, a 14-second booster pump, a 15-low temperature regenerator, a 16-expansion speed increaser, a 17-dual-energy compressor, an 18-diffuser pipe, a 19-second dual-energy compressor, an A-newly added evaporator and a B-newly added diffuser pipe.

Regarding the photo-thermal, medium-temperature photo-thermal system and high-temperature photo-thermal system, the following brief description is given here:

(1) The medium-temperature photo-thermal system and the high-temperature photo-thermal system in the application of the invention are two types of solar heat collection systems; the former is low in temperature and the latter is high in temperature.

(2) 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 medium-temperature heat energy/high-temperature heat energy (simply referred to as photo-thermal), which can be used to provide driving heat loads to a thermodynamic cycle system; it is mainly composed of heat collector and related necessary auxiliary facilities.

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

(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 non-concentrating solar heat collecting system has solar pond, solar chimney and other systems.

(5) There are two main types of heat supply modes of solar heat collection systems at present: (1) the intermediate temperature heat energy/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 photo-thermal type multi-energy co-cycle steam power plant shown in fig. 1 is realized by the following steps:

(1) Structurally, the device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a medium-temperature photo-thermal system, a second compressor, a heating furnace, a heat source regenerator and a high-temperature photo-thermal system; the outside is provided with a fuel channel which is communicated with a heating furnace 8, the outside is also provided with an air channel which is communicated with the heating furnace 8 through a heat source regenerator 9, the heating furnace 8 is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator 9, a condenser 4 is provided with a condensate pipe which is communicated with the evaporator 5 through a booster pump 3, then the evaporator 5 is further provided with a steam channel which is communicated with a medium-temperature photothermal system 6, the compressor 2 is provided with a steam channel which is communicated with the medium-temperature photothermal system 6, the medium-temperature photothermal system 6 is also provided with a steam channel which is communicated with a high-temperature photothermal system 10 through a second compressor 7 and the heating furnace 8, the high-temperature photothermal system 10 is also provided with a steam channel which is communicated with a steam turbine 1, and the low-pressure steam channel which is communicated with the evaporator 5 is divided into two paths, namely a first path which is communicated with the compressor 2 and a second path which is communicated with the condenser 4; the condenser 4 is also provided with a cooling medium passage communicated with the outside, and the steam turbine 1 is connected with the compressor 2 and the second compressor 7 and transmits power.

(2) In the flow, external fuel enters the heating furnace 8, external air enters the heating furnace 8 after absorbing heat and raising temperature through the heat source regenerator 9, the fuel and the air are mixed in the heating furnace 8 and combusted to generate high-temperature fuel gas, the fuel gas releases heat on steam flowing through the heating furnace 8, and then the fuel gas releases heat and lowers the temperature through the heat source regenerator 9 and is discharged outwards; the condensate of the condenser 4 is boosted by the booster pump 3, is subjected to heat absorption, temperature rise and vaporization by the evaporator 5, and then enters the medium-temperature photothermal system 6 to absorb heat, and the steam discharged by the compressor 2 enters the medium-temperature photothermal system 6 to absorb heat; the steam discharged by the medium-temperature photo-thermal system 6 is boosted and heated by the second compressor 7, gradually absorbs heat and heats by the heating furnace 8 and the high-temperature photo-thermal system 10, and then enters the steam to flow through the steam turbine 1 for depressurization and work; the low-pressure steam discharged by the steam turbine 1 flows through the evaporator 5 to release heat and cool, and then is divided into two paths, wherein the first path enters the compressor 2 to raise the pressure and raise the temperature, and the second path enters the condenser 4 to release heat and condense; the solar energy provides driving heat load through the medium-temperature photo-thermal system 6 and the high-temperature photo-thermal system 10, the fuel provides driving heat load through the heating furnace 8, the cooling medium takes away low-temperature heat load through the condenser 4, and the air and the fuel gas take away discharging heat load through the inlet and outlet flow; the work output by the steam turbine 1 is provided for the compressor 2, the second compressor 7 and external power, or the work output by the steam turbine 1 is provided for the compressor 2, the booster pump 3, the second compressor 7 and external power, so that the photo-thermal type multifunctional combined cycle steam power device with the same function is formed.

The photo-thermal type multi-energy co-cycle steam power plant shown in fig. 2 is realized by the following steps:

(1) Structurally, the device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a medium-temperature photo-thermal system, a second compressor, a heating furnace, a heat source regenerator, a high-temperature photo-thermal system and a regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace 8, the outside is also provided with an air channel which is communicated with the heating furnace 8 through a heat source regenerator 9, the heating furnace 8 is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator 9, a condenser 4 is provided with a condensate pipe which is communicated with an evaporator 5 through a booster pump 3, then the evaporator 5 is further provided with a steam channel which is communicated with a medium-temperature photothermal system 6, a compressor 2 is provided with a steam channel which is communicated with the medium-temperature photothermal system 6, the medium-temperature photothermal system 6 is also provided with a steam channel which is communicated with a high-temperature photothermal system 10 through a second compressor 7, a regenerator 11 and the heating furnace 8, the high-temperature photothermal system 10 is also provided with a steam channel which is communicated with a steam turbine 1, and the steam turbine 1 is also provided with a low-pressure steam channel which is divided into two paths after being communicated with the evaporator 5 through the regenerator 11, namely a first path which is communicated with the compressor 2 and a second path which is communicated with the condenser 4; the condenser 4 is also provided with a cooling medium passage communicated with the outside, and the steam turbine 1 is connected with the compressor 2 and the second compressor 7 and transmits power.

(2) In the flow, compared with the photo-thermal type multifunctional portable combined cycle steam power plant shown in fig. 1, the difference is that: steam discharged by the second compressor 7 flows through the heat regenerator 11 to absorb heat and raise temperature, and then enters the heating furnace 8 to absorb heat and raise temperature; low-pressure steam discharged by the steam turbine 1 flows through the heat regenerator 11 and the evaporator 5 to release heat and cool gradually, and then enters the compressor 2 to raise the pressure and heat and enter the condenser 4 to release heat and condense respectively, so that the photo-thermal type multifunctional portable combined cycle steam power device is formed.

The photo-thermal type multi-energy co-cycle steam power plant shown in fig. 3 is realized by the following steps:

(1) Structurally, the device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a medium-temperature photo-thermal system, a second compressor, a heating furnace, a heat source regenerator, a high-temperature photo-thermal system and a regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace 8, the outside is also provided with an air channel which is communicated with the heating furnace 8 through a heat source regenerator 9, the heating furnace 8 is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator 9, a condensate pipe of a condenser 4 is communicated with an evaporator 5 through a booster pump 3, then the evaporator 5 is further provided with a steam channel which is communicated with a medium-temperature photothermal system 6, a compressor 2 is provided with a steam channel which is communicated with the medium-temperature photothermal system 6, a second compressor 7 is further provided with a steam channel which is communicated with the self through a regenerator 11 after the medium-temperature photothermal system 6 is further provided with a steam channel which is communicated with a high-temperature photothermal system 10 through the heating furnace 8, the high-temperature photothermal system 10 is further provided with a steam channel which is communicated with a steam turbine 1, and a low-pressure steam channel of the steam turbine 1 is further communicated with the evaporator 5 through a regenerator 11 and then is divided into two paths, namely a first path which is communicated with the compressor 2 and a second path which is communicated with the condenser 4; the condenser 4 is also provided with a cooling medium passage communicated with the outside, and the steam turbine 1 is connected with the compressor 2 and the second compressor 7 and transmits power.

(2) In the flow, compared with the photo-thermal type multifunctional portable combined cycle steam power plant shown in fig. 1, the difference is that: the steam discharged by the medium-temperature photo-thermal system 6 enters the second compressor 7 to be boosted and heated, and flows through the heat regenerator 11 to absorb heat and heat to a certain extent, and then enters the second compressor 7 to be boosted and heated continuously; low-pressure steam discharged by the steam turbine 1 flows through the heat regenerator 11 and the evaporator 5 to release heat and cool gradually, and then enters the compressor 2 to raise the pressure and heat and enter the condenser 4 to release heat and condense respectively, so that the photo-thermal type multifunctional portable combined cycle steam power device is formed.

The photo-thermal type multi-energy co-cycle steam power plant shown in fig. 4 is realized by the following steps:

(1) Structurally, the device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a medium-temperature photo-thermal system, a second compressor, a heating furnace, a heat source regenerator, a high-temperature photo-thermal system and a regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace 8, the outside is also provided with an air channel which is communicated with the heating furnace 8 through a heat source regenerator 9, the heating furnace 8 is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator 9, a condenser 4 is provided with a condensate pipe which is communicated with an evaporator 5 through a booster pump 3, then the evaporator 5 is further provided with a steam channel which is communicated with a medium-temperature photothermal system 6, a compressor 2 is provided with a steam channel which is communicated with the medium-temperature photothermal system 6, the medium-temperature photothermal system 6 is also provided with a steam channel which is communicated with a high-temperature photothermal system 10 through a regenerator 11, a second compressor 7 and the heating furnace 8, the high-temperature photothermal system 10 is also provided with a steam channel which is communicated with a steam turbine 1, and the steam turbine 1 is also provided with a low-pressure steam channel which is divided into two paths after being communicated with the evaporator 5 through the regenerator 11, namely a first path which is communicated with the compressor 2 and a second path which is communicated with the condenser 4; the condenser 4 is also provided with a cooling medium passage communicated with the outside, and the steam turbine 1 is connected with the compressor 2 and the second compressor 7 and transmits power.

(2) In the flow, compared with the photo-thermal type multifunctional portable combined cycle steam power plant shown in fig. 1, the difference is that: steam discharged by the medium-temperature photo-thermal system 6 flows through the heat regenerator 11 to absorb heat and raise temperature, and then enters the second compressor 7 to raise pressure and raise temperature; low-pressure steam discharged by the steam turbine 1 flows through the heat regenerator 11 and the evaporator 5 to release heat and cool gradually, and then enters the compressor 2 to raise the pressure and heat and enter the condenser 4 to release heat and condense respectively, so that the photo-thermal type multifunctional portable combined cycle steam power device is formed.

The photo-thermal type multi-energy co-cycle steam power plant shown in fig. 5 is realized by the following steps:

(1) Structurally, the device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a medium-temperature photo-thermal system, a second compressor, a heating furnace, a heat source regenerator, a high-temperature photo-thermal system, a regenerator and a second regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace 8, the outside is also provided with an air channel which is communicated with the heating furnace 8 through a heat source regenerator 9, the heating furnace 8 is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator 9, a condenser 4 is provided with a condensate pipeline which is communicated with the evaporator 5 through a booster pump 3, then the evaporator 5 is further provided with a steam channel which is communicated with a medium-temperature photothermal system 6, a compressor 2 is provided with a steam channel which is communicated with the medium-temperature photothermal system 6, the medium-temperature photothermal system 6 is also provided with a steam channel which is communicated with a high-temperature photothermal system 10 through a regenerator 11, a second compressor 7, a second regenerator 12 and the heating furnace 8, the high-temperature photothermal system 10 is also provided with a steam channel which is communicated with a steam turbine 1, and the steam turbine 1 is also provided with a low-pressure steam channel which is divided into two paths after being communicated with the evaporator 5 through the second regenerator 12 and the regenerator 11, namely a first path is communicated with the compressor 2 and a second path is communicated with the condenser 4; the condenser 4 is also provided with a cooling medium passage communicated with the outside, and the steam turbine 1 is connected with the compressor 2 and the second compressor 7 and transmits power.

(2) In the flow, compared with the photo-thermal type multifunctional portable combined cycle steam power plant shown in fig. 1, the difference is that: steam discharged by the medium-temperature photo-thermal system 6 absorbs heat and rises temperature through the heat regenerator 11, rises pressure and rises temperature through the second compressor 7, absorbs heat and rises temperature through the second heat regenerator 12, and then enters the heating furnace 8 to absorb heat and rise temperature; low-pressure steam discharged by the steam turbine 1 flows through the second heat regenerator 12, the heat regenerator 11 and the evaporator 5 to release heat and cool gradually, and then enters the compressor 2 to raise the pressure and heat and enter the condenser 4 to release heat and condense respectively, so that the photo-thermal type multifunctional portable and same combined cycle steam power device is formed.

The photo-thermal type multi-energy co-cycle steam power plant shown in fig. 6 is realized by the following steps:

(1) Structurally, in the photo-thermal type multifunctional portable combined cycle steam power device shown in fig. 3, a low-pressure steam channel of the steam turbine 1 is communicated with the evaporator 5 through the heat regenerator 11, and the low-pressure steam channel of the steam turbine 1 is communicated with the evaporator 5 after the steam channel of the steam turbine 1 is communicated with the steam generator through the heat regenerator 11.

(2) In the flow, compared with the photo-thermal type multifunctional portable combined cycle steam power plant shown in fig. 3, the difference is that: the steam discharged by the high-temperature photo-thermal system 10 enters the steam turbine 1 to perform depressurization and work, flows through the heat regenerator 11 to release heat and cool to a certain extent, enters the steam turbine 1 to continue depressurization and work, and then enters the evaporator 5 to release heat and cool to form the photo-thermal type multifunctional portable combined cycle steam power device.

The photo-thermal type multi-energy co-cycle steam power plant shown in fig. 7 is realized by the following steps:

(1) Structurally, in the photo-thermal type multifunctional portable combined cycle steam power device shown in fig. 5, a low-pressure steam channel of the steam turbine 1 is communicated with the evaporator 5 through the second heat regenerator 12 and the heat regenerator 11, and the steam turbine 1 is adjusted to be communicated with the evaporator 5 through the heat regenerator 11 after the steam channel of the steam turbine 1 is communicated with the steam turbine through the second heat regenerator 12.

(2) In the flow, compared with the photo-thermal type multi-energy carrying combined cycle steam power plant shown in fig. 5, the difference is that: the steam discharged by the high-temperature photo-thermal system 10 enters the steam turbine 1 to perform depressurization and work, flows through the second heat regenerator 12 to release heat and cool to a certain extent, enters the steam turbine 1 to continue depressurization and work, and then enters the heat regenerator 11 to release heat and cool to form the photo-thermal type multifunctional portable combined cycle steam power device.

The photo-thermal type multi-energy co-cycle steam power plant shown in fig. 8 is realized by the following steps:

(1) Structurally, the device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a medium-temperature photo-thermal system, a second compressor, a heating furnace, a heat source regenerator and a high-temperature photo-thermal system; the outside is provided with a fuel channel which is communicated with the heating furnace 8, the outside is also provided with an air channel which is communicated with the heating furnace 8 through a heat source regenerator 9, the heating furnace 8 is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator 9, the condenser 4 is provided with a condensate pipeline which is communicated with the evaporator 5 through a booster pump 3, the evaporator 5 is further provided with a steam channel which is communicated with the heating furnace 8 through a medium-temperature photothermal system 6 and a second compressor 7, the compressor 2 is provided with a steam channel which is communicated with the heating furnace 8, the heating furnace 8 is also provided with a steam channel which is communicated with a high-temperature photothermal system 10, the high-temperature photothermal system 10 is also provided with a steam channel which is communicated with the steam turbine 1, and the steam turbine 1 is also provided with a low-pressure steam channel which is communicated with the evaporator 5 and then is divided into two paths, namely, the first path is communicated with the compressor 2 and the second path is communicated with the condenser 4; the condenser 4 is also provided with a cooling medium passage communicated with the outside, and the steam turbine 1 is connected with the compressor 2 and the second compressor 7 and transmits power.

(2) In the flow, compared with the photo-thermal type multifunctional portable combined cycle steam power plant shown in fig. 1, the difference is that: the condensate of the condenser 4 is boosted by the booster pump 3, is absorbed by the evaporator 5 and is fully or partially vaporized, is continuously absorbed by the medium-temperature photo-thermal system 6, is boosted by the second compressor 7 and is warmed, and then enters the heating furnace 8 to absorb heat, and the steam discharged by the compressor 2 enters the heating furnace 8 to absorb heat and is warmed; the low-pressure steam discharged by the steam turbine 1 flows through the evaporator 5 to release heat and cool, then enters the compressor 2 to raise the pressure and heat and enters the condenser 4 to release heat and condense respectively, so as to form the photo-thermal type multi-energy co-carrying combined cycle steam power device.

The photo-thermal type multi-energy co-cycle steam power plant shown in fig. 9 is realized by the following steps:

(1) Structurally, the device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a medium-temperature photo-thermal system, a second compressor, a heating furnace, a heat source regenerator and a high-temperature photo-thermal system; the outside is provided with a fuel channel which is communicated with a heating furnace 8, the outside is also provided with an air channel which is communicated with the heating furnace 8 through a heat source regenerator 9, the heating furnace 8 is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator 9, a condenser 4 is provided with a condensate pipeline which is communicated with an evaporator 5 through a booster pump 3, then the evaporator 5 is further provided with a steam channel which is communicated with a medium-temperature photothermal system 6, the medium-temperature photothermal system 6 is also provided with a steam channel which is communicated with a steam turbine 1 through an intermediate port, the compressor 2 is provided with a steam channel which is communicated with a high-temperature photothermal system 10 through the medium-temperature photothermal system 6, a second compressor 7 and the heating furnace 8, the high-temperature photothermal system 10 is also provided with a steam channel which is communicated with the steam turbine 1, and the low-pressure steam channel which is communicated with the evaporator 5 is divided into two paths after being communicated with the evaporator 5, namely a first path which is communicated with the compressor 2 and a second path which is communicated with the condenser 4; the condenser 4 is also provided with a cooling medium passage communicated with the outside, and the steam turbine 1 is connected with the compressor 2 and the second compressor 7 and transmits power.

(2) In the flow, compared with the photo-thermal type multifunctional portable combined cycle steam power plant shown in fig. 1, the difference is that: the condensate of the condenser 4 is boosted by the booster pump 3, is subjected to heat absorption, temperature rise and vaporization by the evaporator 5, is subjected to heat absorption, temperature rise by the medium-temperature photo-thermal system 6, and then enters the steam turbine 1 through the middle steam inlet port to be subjected to pressure reduction and work; the steam discharged by the compressor 2 is subjected to heat absorption and temperature rise through the medium-temperature photo-thermal system 6, is subjected to pressure rise and temperature rise through the second compressor 7, is subjected to gradual heat absorption and temperature rise through the heating furnace 8 and the high-temperature photo-thermal system 10, and then enters the steam turbine 1 to be subjected to pressure reduction and work; the low-pressure steam discharged by the steam turbine 1 flows through the evaporator 5 to release heat and cool, then enters the compressor 2 to raise the pressure and heat and enters the condenser 4 to release heat and condense respectively, so as to form the photo-thermal type multi-energy co-carrying combined cycle steam power device.

The photo-thermal type multi-energy co-cycle steam power plant shown in fig. 10 is realized by:

(1) Structurally, the system mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a medium-temperature photo-thermal system, a second compressor, a heating furnace, a heat source regenerator, a high-temperature photo-thermal system and a second steam turbine; the outside is provided with a fuel channel which is communicated with the heating furnace 8, the outside is also provided with an air channel which is communicated with the heating furnace 8 through a heat source regenerator 9, the heating furnace 8 is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator 9, the condenser 4 is provided with a condensate pipe which is communicated with the evaporator 5 through a booster pump 3, the evaporator 5 is further provided with a steam channel which is communicated with a second steam turbine 13, the second steam turbine 13 is also provided with a low-pressure steam channel which is communicated with the evaporator 5, the compressor 2 is provided with a steam channel which is communicated with the high-temperature photo-thermal system 10 through a medium-temperature photo-thermal system 6, a second compressor 7 and the heating furnace 8, the high-temperature photo-thermal system 10 is also provided with a steam channel which is communicated with the steam turbine 1, the steam turbine 1 is also provided with a low-pressure steam channel which is communicated with the evaporator 5, and the evaporator 5 is also provided with the low-pressure steam channel which is respectively communicated with the compressor 2 and the condenser 4; the condenser 4 is also provided with a cooling medium passage communicated with the outside, and the steam turbine 1 is connected with the compressor 2 and the second compressor 7 and transmits power.

(2) In the flow, compared with the photo-thermal type multifunctional portable combined cycle steam power plant shown in fig. 1, the difference is that: the condensate of the condenser 4 is boosted by the booster pump 3, is subjected to heat absorption, temperature rise and vaporization by the evaporator 5, is subjected to pressure reduction and work by the second steam turbine 13, and then enters the evaporator 5; the steam discharged by the compressor 2 is subjected to heat absorption and temperature rise through the medium-temperature photo-thermal system 6, is subjected to pressure rise and temperature rise through the second compressor 7, is subjected to gradual heat absorption and temperature rise through the heating furnace 8 and the high-temperature photo-thermal system 10, is subjected to pressure reduction and work through the steam turbine 1, and then enters the evaporator 5; the low-pressure steam flows through the evaporator 5 to release heat and cool, and then is divided into two paths, wherein the first path enters the compressor 2 to raise the pressure and the temperature, and the second path enters the condenser 4 to release heat and condense; the work output by the turbine 1 and the second turbine 13 is provided for the compressor 2, the second compressor 7 and the external power, or the work output by the turbine 1 and the second turbine 13 is provided for the compressor 2, the booster pump 3, the second compressor 7 and the external power, so that the photo-thermal type multi-energy co-cycle steam power device is formed.

The photo-thermal type multi-energy co-cycle steam power plant shown in fig. 11 is realized by:

(1) Structurally, in the photo-thermal type multifunctional portable combined cycle steam power device shown in fig. 1, a steam channel of a high-temperature photo-thermal system 10 is communicated with a steam turbine 1, and after the steam channel of the high-temperature photo-thermal system 10 is communicated with the steam turbine 1, the steam turbine 1 and a reheat steam channel of the high-temperature photo-thermal system 10 are communicated with the photo-thermal system through the high-temperature photo-thermal system 10.

(2) In the flow, compared with the photo-thermal type multifunctional portable combined cycle steam power plant shown in fig. 1, the difference is that: the steam discharged by the high-temperature photo-thermal system 10 enters the steam turbine 1 to perform depressurization and work, enters the high-temperature photo-thermal system 10 to absorb heat and raise temperature after reaching a certain degree, enters the steam turbine 1 to continue depressurization and work, and then the steam turbine 1 discharges low-pressure steam and supplies the low-pressure steam to the evaporator 5 to form the photo-thermal type multifunctional portable combined cycle steam power device.

The photo-thermal type multi-energy-carrying combined cycle steam power plant shown in fig. 12 is realized by the following steps:

(1) Structurally, in the photo-thermal type multifunctional portable combined cycle steam power device shown in fig. 1, a second booster pump and a low-temperature heat regenerator are added, a condensate pipe arranged on the condenser 4 is communicated with the booster pump 3, the condensate pipe arranged on the condenser 4 is communicated with the low-temperature heat regenerator 15 through the second booster pump 14, a steam extraction channel is additionally arranged on the compressor 2 and is communicated with the low-temperature heat regenerator 15, and the condensate pipe arranged on the low-temperature heat regenerator 15 is communicated with the booster pump 3.

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

The photo-thermal type multi-energy co-cycle steam power plant shown in fig. 13 is realized by:

(1) Structurally, in the photo-thermal type multi-functional combined cycle steam power plant shown in fig. 1, a newly added evaporator and a newly added diffuser pipe are added, the low-pressure steam channel of the steam turbine 1 is communicated with the evaporator 5 and is adjusted to be communicated with the newly added evaporator A through the evaporator 5, the low-pressure steam channel of the steam turbine 5 is respectively communicated with the compressor 2 and the condenser 4 and is adjusted to be communicated with the newly added evaporator A through the low-pressure steam channel which is respectively communicated with the compressor 2 and the condenser 4, the condenser 4 is communicated with the evaporator 5 through the booster pump 3 and is adjusted to be communicated with the newly added evaporator A through the booster pump 3, and then the newly added evaporator A is further communicated with the evaporator 5 through the newly added diffuser pipe B.

(2) In the flow, compared with the photo-thermal type multifunctional portable combined cycle steam power plant shown in fig. 1, the difference is that: the condensate discharged by the condenser 4 is boosted by the booster pump 3, absorbs heat and rises in temperature by the newly added evaporator A, is partially vaporized and increases in speed, is reduced in speed and boosted by the newly added diffuser pipe B, and then enters the evaporator 5 to absorb vaporization; low-pressure steam discharged by the steam turbine 1 flows through the evaporator 5 and the newly added evaporator A to release heat and cool gradually, and then enters the compressor 2 to raise the pressure and raise the temperature and enters the condenser 4 to release heat and condense respectively, so that the photo-thermal type multifunctional portable combined cycle steam power device is formed.

The photo-thermal type multi-energy co-cycle steam power plant shown in fig. 14 is realized by:

(1) Structurally, in the photo-thermal type multi-energy-carrying combined cycle steam power plant shown in fig. 1, an expansion speed increaser 16 is added to replace a steam turbine 1, a dual-energy compressor 17 is added to replace a compressor 2, and a diffuser pipe 18 is added to replace a booster pump 3.

(2) In the flow, compared with the photo-thermal type multifunctional portable combined cycle steam power plant shown in fig. 1, the difference is that: the condensate of the condenser 4 is subjected to speed reduction and pressure increase through a diffuser pipe 18, is subjected to heat absorption, temperature rise and vaporization through an evaporator 5, then enters a medium-temperature photothermal system 6 to absorb heat, and the steam discharged by a dual-energy compressor 17 enters the medium-temperature photothermal system 6 to absorb heat and raise temperature; the steam discharged by the high-temperature photo-thermal system 10 flows through the expansion speed increaser 16 to be subjected to depressurization, work and speed increase, the low-pressure steam discharged by the expansion speed increaser 16 flows through the evaporator 5 to be subjected to heat release and temperature reduction, and then the steam is divided into two paths, namely, a first path enters the dual-energy compressor 17 to be subjected to pressure rise, temperature rise and speed reduction, and a second path enters the condenser 4 to be subjected to heat release and condensation; the work output by the expansion speed increaser 16 is provided for the second compressor 7, the dual-energy compressor 17 and external power to form the photo-thermal type multi-energy portable combined cycle steam power device.

The photo-thermal type multi-energy co-cycle steam power plant shown in fig. 15 is realized by:

(1) Structurally, in the photo-thermal type multi-energy-carrying combined cycle steam power plant shown in fig. 1, an expansion speed increaser 16 is added to replace a steam turbine 1, a dual-energy compressor 17 is added to replace a compressor 2, a diffuser pipe 18 is added to replace a booster pump 3, and a second dual-energy compressor 19 is added to replace a second compressor 7.

(2) In the flow, compared with the photo-thermal type multifunctional portable combined cycle steam power plant shown in fig. 1, the difference is that: the condensate of the condenser 4 is subjected to speed reduction and pressure increase through a diffuser pipe 18, is subjected to heat absorption, temperature rise and vaporization through an evaporator 5, then enters a medium-temperature photothermal system 6 to absorb heat, and the steam discharged by a dual-energy compressor 17 enters the medium-temperature photothermal system 6 to absorb heat and raise temperature; the steam discharged by the medium-temperature photo-thermal system 6 flows through the second dual-energy compressor 19 to be boosted, heated and decelerated, and then enters the heating furnace 8 to absorb heat and raise temperature; the steam discharged by the high-temperature photo-thermal system 10 flows through the expansion speed increaser 16 to be subjected to depressurization, work and speed increase, the low-pressure steam discharged by the expansion speed increaser 16 flows through the evaporator 5 to be subjected to heat release and temperature reduction, and then the steam is divided into two paths, namely, a first path enters the dual-energy compressor 17 to be subjected to pressure rise, temperature rise and speed reduction, and a second path enters the condenser 4 to be subjected to heat release and condensation; the work output by the expansion speed increaser 16 is provided for the double-energy compressor 17, the second double-energy compressor 19 and external power to form the photo-thermal type multi-energy portable combined cycle steam power device.

The photo-thermal type multifunctional combined cycle steam power device has the following effects and advantages:

(1) The high-temperature photo-thermal system, the fuel system and the medium-temperature photo-thermal system share the integrated thermal power system, the thermal power systems of different driving energy sources are combined into one, the construction cost of the thermal power system is saved, and the cost performance is high.

(2) And the step carrying of the cross type and the cross grade is realized among the high-temperature photo-thermal, the fuel and the medium-temperature photo-thermal, so that the thermodynamic perfection is high.

(3) The high-temperature photo-thermal, fuel and medium-temperature photo-thermal provide driving heat load links, the temperature difference loss is small, and the thermodynamic perfection is high.

(4) The connection between the medium-temperature photo-thermal and the fuel is flexible, the medium-temperature photo-thermal plays a larger role by means of the fuel, and the utilization value of the fuel converted into mechanical energy is improved.

(5) The fuel plays a larger role by virtue of high-temperature photo-thermal, and the utilization value of the high-temperature photo-thermal converted into mechanical energy is obviously improved.

(6) The application value of medium-temperature photo-thermal power is exerted at a high level, and the irreversible temperature difference loss in the process of providing driving heat load by fuel is reduced; the fuel power application value is exerted at a high level, and the irreversible loss of the temperature difference in the process of providing driving heat load by high-temperature light and heat is reduced.

(7) 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.

(8) The medium-temperature photo-thermal can be used for or is beneficial to reducing the pressure boosting ratio of the combined cycle, improving the flow of the circulating working medium, and being beneficial to constructing a large-load high-temperature photo-thermal type multifunctional combined cycle steam power plant; medium temperature photothermal or for increasing the outlet temperature of the compressor, thereby increasing the grade of the high temperature heat source and the heat efficiency of the 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 load, 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 expansion of the application range of the high-temperature photo-thermal type multi-energy co-cycle steam power plant is facilitated.

Claims (18)

1. The photo-thermal type multifunctional combined cycle steam power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a medium-temperature photo-thermal system, a second compressor, a heating furnace, a heat source regenerator and a high-temperature photo-thermal system; the outside is provided with a fuel channel which is communicated with a heating furnace (8), the outside is also provided with an air channel which is communicated with the heating furnace (8) through a heat source regenerator (9), the heating furnace (8) is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator (9), the condenser (4) is provided with a condensate pipeline which is communicated with the evaporator (5) through a booster pump (3), the evaporator (5) is also provided with a steam channel which is communicated with a medium-temperature photothermal system (6), the compressor (2) is provided with a steam channel which is communicated with the medium-temperature photothermal system (6), the medium-temperature photothermal system (6) is also provided with a steam channel which is communicated with a high-temperature photothermal system (10) through a second compressor (7) and the heating furnace (8), the steam turbine (1) is also provided with a low-pressure steam channel which is communicated with the evaporator (5), and the first channel is communicated with the compressor (2) and the second channel is communicated with the condenser (4); the condenser (4) is also provided with a cooling medium channel which is communicated with the outside, the steam turbine (1) is connected with the compressor (2) and the second compressor (7) and transmits power to form a photo-thermal type multifunctional combined cycle steam power device; wherein, or the steam turbine (1) is connected with the compressor (2), the booster pump (3) and the second compressor (7) and transmits power.

2. The photo-thermal type multifunctional combined cycle steam power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a medium-temperature photo-thermal system, a second compressor, a heating furnace, a heat source regenerator, a high-temperature photo-thermal system and a regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace (8), the outside is also provided with an air channel which is communicated with the heating furnace (8) through a heat source regenerator (9), the heating furnace (8) is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator (9), the condenser (4) is provided with a condensate pipe which is communicated with the evaporator (5) through a booster pump (3), the evaporator (5) is further provided with a steam channel which is communicated with a medium-temperature photo-thermal system (6), the compressor (2) is provided with a steam channel which is communicated with the medium-temperature photo-thermal system (6), the medium-temperature photo-thermal system (6) is also provided with a steam channel which is communicated with a high-temperature photo-thermal system (10) through a second compressor (7), the regenerator (11) and the heating furnace (8), the steam turbine (1) is also provided with a low-pressure steam channel which is communicated with the evaporator (5) through the evaporator (11) and then is divided into two paths, namely a first path which is communicated with the compressor (2) and a second path which is communicated with the condenser (4); the condenser (4) is also provided with a cooling medium channel which is communicated with the outside, the steam turbine (1) is connected with the compressor (2) and the second compressor (7) and transmits power to form a photo-thermal type multifunctional combined cycle steam power device; wherein, or the steam turbine (1) is connected with the compressor (2), the booster pump (3) and the second compressor (7) and transmits power.

3. The photo-thermal type multifunctional combined cycle steam power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a medium-temperature photo-thermal system, a second compressor, a heating furnace, a heat source regenerator, a high-temperature photo-thermal system and a regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace (8), the outside is also provided with an air channel which is communicated with the heating furnace (8) through a heat source regenerator (9), the heating furnace (8) is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator (9), a condenser (4) is provided with a condensate pipe which is communicated with an evaporator (5) through a booster pump (3), the evaporator (5) is also provided with a steam channel which is communicated with a medium-temperature photothermal system (6), the compressor (2) is also provided with a steam channel which is communicated with the medium-temperature photothermal system (6), the medium-temperature photothermal system (6) is also provided with a steam channel which is communicated with a second compressor (7) through a regenerator (11), the second compressor (7) is also provided with a steam channel which is communicated with a high-temperature photothermal system (10) through the heating furnace (8), the high-temperature photothermal system (10) is also provided with a steam channel which is communicated with a steam turbine (1), and the low-pressure steam channel which is also communicated with the evaporator (5) is separated into two paths after being communicated with the evaporator (5), namely the first path is communicated with the compressor (2) and the second path is communicated with the condenser (4); the condenser (4) is also provided with a cooling medium channel which is communicated with the outside, the steam turbine (1) is connected with the compressor (2) and the second compressor (7) and transmits power to form a photo-thermal type multifunctional combined cycle steam power device; wherein, or the steam turbine (1) is connected with the compressor (2), the booster pump (3) and the second compressor (7) and transmits power.

4. The photo-thermal type multifunctional combined cycle steam power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a medium-temperature photo-thermal system, a second compressor, a heating furnace, a heat source regenerator, a high-temperature photo-thermal system and a regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace (8), the outside is also provided with an air channel which is communicated with the heating furnace (8) through a heat source regenerator (9), the heating furnace (8) is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator (9), the condenser (4) is provided with a condensate pipe which is communicated with the evaporator (5) through a booster pump (3), the evaporator (5) is further provided with a steam channel which is communicated with a medium-temperature photo-thermal system (6), the compressor (2) is provided with a steam channel which is communicated with the medium-temperature photo-thermal system (6), the medium-temperature photo-thermal system (6) is also provided with a steam channel which is communicated with a high-temperature photo-thermal system (10) through a regenerator (11), the second compressor (7) and the heating furnace (8), the steam turbine (1) is also provided with a low-pressure steam channel which is communicated with the evaporator (5) through a regenerator (11), and then is divided into two paths, namely a first path which is communicated with the compressor (2) and a second path which is communicated with the condenser (4); the condenser (4) is also provided with a cooling medium channel which is communicated with the outside, the steam turbine (1) is connected with the compressor (2) and the second compressor (7) and transmits power to form a photo-thermal type multifunctional combined cycle steam power device; wherein, or the steam turbine (1) is connected with the compressor (2), the booster pump (3) and the second compressor (7) and transmits power.

5. The photo-thermal type multifunctional combined cycle steam power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a medium-temperature photo-thermal system, a second compressor, a heating furnace, a heat source regenerator, a high-temperature photo-thermal system, a regenerator and a second regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace (8), the outside is also provided with an air channel which is communicated with the heating furnace (8) through a heat source regenerator (9), the heating furnace (8) is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator (9), a condenser (4) is provided with a condensate pipe which is communicated with an evaporator (5) through a booster pump (3), the evaporator (5) is further provided with a steam channel which is communicated with a medium-temperature photothermal system (6), the compressor (2) is provided with a steam channel which is communicated with the medium-temperature photothermal system (6), the medium-temperature photothermal system (6) is also provided with a steam channel which is communicated with a high-temperature photothermal system (10) through a regenerator (11), a second regenerator (7), a second regenerator (12) and the heating furnace (8), the high-temperature photothermal system (10) is also provided with a steam channel which is communicated with a steam turbine (1), and the low-pressure steam channel of the steam turbine (1) is also communicated with the evaporator (5) through a second regenerator (12) and then is divided into two paths, namely the first path is communicated with the compressor (2) and the second path is communicated with the condenser (4); the condenser (4) is also provided with a cooling medium channel which is communicated with the outside, the steam turbine (1) is connected with the compressor (2) and the second compressor (7) and transmits power to form a photo-thermal type multifunctional combined cycle steam power device; wherein, or the steam turbine (1) is connected with the compressor (2), the booster pump (3) and the second compressor (7) and transmits power.

6. The photo-thermal type multifunctional combined cycle steam power plant is characterized in that in any one of the photo-thermal type multifunctional combined cycle steam power plant described in claims 2-4, a low-pressure steam channel of a steam turbine (1) is communicated with an evaporator (5) through a heat regenerator (11), and the steam turbine (1) is adjusted to be communicated with the evaporator (5) after the steam channel of the steam turbine (1) is communicated with the steam turbine through the heat regenerator (11), so that the photo-thermal type multifunctional combined cycle steam power plant is formed.

7. In the photo-thermal type multi-energy co-cycle steam power plant, the photo-thermal type multi-energy co-cycle steam power plant disclosed in claim 5 is formed by communicating a low-pressure steam channel of a steam turbine (1) with an evaporator (5) through a second heat regenerator (12) and a heat regenerator (11), adjusting the low-pressure steam channel of the steam turbine (1) to be communicated with the steam turbine through the second heat regenerator (12) and then communicating the low-pressure steam channel of the steam turbine (1) with the evaporator (5) through the heat regenerator (11).

8. The photo-thermal type multifunctional combined cycle steam power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a medium-temperature photo-thermal system, a second compressor, a heating furnace, a heat source regenerator and a high-temperature photo-thermal system; the outside is provided with a fuel channel which is communicated with a heating furnace (8), the outside is also provided with an air channel which is communicated with the heating furnace (8) through a heat source regenerator (9), the heating furnace (8) is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator (9), a condenser (4) is provided with a condensate pipeline which is communicated with the evaporator (5) through a booster pump (3), the evaporator (5) is further provided with a steam channel which is communicated with the heating furnace (8) through a medium-temperature photothermal system (6) and a second compressor (7), the compressor (2) is provided with a steam channel which is communicated with the heating furnace (8), the heating furnace (8) is also provided with a steam channel which is communicated with a high-temperature photothermal system (10), the high-temperature photothermal system (10) is also provided with a steam channel which is communicated with a steam turbine (1), and the steam turbine (1) is also provided with a low-pressure steam channel which is communicated with the evaporator (5) and then is divided into two paths, namely the first path is communicated with the compressor (2) and the second path is communicated with the condenser (4); the condenser (4) is also provided with a cooling medium channel which is communicated with the outside, the steam turbine (1) is connected with the compressor (2) and the second compressor (7) and transmits power to form a photo-thermal type multifunctional combined cycle steam power device; wherein, or the steam turbine (1) is connected with the compressor (2), the booster pump (3) and the second compressor (7) and transmits power.

9. The photo-thermal type multifunctional combined cycle steam power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a medium-temperature photo-thermal system, a second compressor, a heating furnace, a heat source regenerator and a high-temperature photo-thermal system; the outside is provided with a fuel channel which is communicated with a heating furnace (8), the outside is also provided with an air channel which is communicated with the heating furnace (8) through a heat source regenerator (9), the heating furnace (8) is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator (9), a condenser (4) is provided with a condensate pipe which is communicated with an evaporator (5) through a booster pump (3), the evaporator (5) is also provided with a steam channel which is communicated with a medium-temperature photothermal system (6), the medium-temperature photothermal system (6) is also provided with a steam channel which is communicated with a steam turbine (1) through an intermediate port, the compressor (2) is also provided with a steam channel which is communicated with a high-temperature photothermal system (10) through the medium-temperature photothermal system (6), a second compressor (7) and the heating furnace (8), the high-temperature photothermal system (10) is also provided with a steam channel which is communicated with a steam turbine (1), and the steam turbine (1) is also provided with a low-pressure steam channel which is communicated with the evaporator (5) and then is divided into two paths, namely a first path which is communicated with the compressor (2) and a second path which is communicated with the condenser (4); the condenser (4) is also provided with a cooling medium channel which is communicated with the outside, the steam turbine (1) is connected with the compressor (2) and the second compressor (7) and transmits power to form a photo-thermal type multifunctional combined cycle steam power device; wherein, or the steam turbine (1) is connected with the compressor (2), the booster pump (3) and the second compressor (7) and transmits power.

10. The photo-thermal type multifunctional combined cycle steam power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a medium-temperature photo-thermal system, a second compressor, a heating furnace, a heat source regenerator, a high-temperature photo-thermal system and a second steam turbine; the outside is provided with a fuel channel which is communicated with a heating furnace (8), the outside is also provided with an air channel which is communicated with the heating furnace (8) through a heat source regenerator (9), the heating furnace (8) is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator (9), the condenser (4) is provided with a condensate pipe which is communicated with the evaporator (5) through a booster pump (3), the evaporator (5) is also provided with a steam channel which is communicated with a second steam turbine (13), the second steam turbine (13) is also provided with a low-pressure steam channel which is communicated with the evaporator (5), the compressor (2) is also provided with a steam channel which is communicated with a high-temperature photo-thermal system (10) through a medium-temperature photo-thermal system (6), a second compressor (7) and the heating furnace (8), the high-temperature photo-thermal system (10) is also provided with a steam channel which is communicated with the steam turbine (1), the steam turbine (1) is also provided with a low-pressure steam channel which is communicated with the evaporator (5), and the low-pressure steam channel which is respectively communicated with the compressor (2) and the condenser (4); the condenser (4) is also provided with a cooling medium channel which is communicated with the outside, the steam turbine (1) is connected with the compressor (2) and the second compressor (7) and transmits power to form a photo-thermal type multifunctional combined cycle steam power device; wherein, or the steam turbine (1) is connected with the compressor (2), the booster pump (3) and the second compressor (7) and transmits power.

11. The photo-thermal type multifunctional combined cycle steam power plant is characterized in that in any one of the photo-thermal type multifunctional combined cycle steam power plant described in claims 1-10, a high-temperature photo-thermal system (10) is provided with a steam channel which is communicated with a steam turbine (1), and the photo-thermal type multifunctional combined cycle steam power plant is formed by adjusting that after the high-temperature photo-thermal system (10) is provided with the steam channel which is communicated with the steam turbine (1), the steam turbine (1) is also provided with a reheat steam channel which is communicated with the photo-thermal type multifunctional combined cycle steam power plant through a heating furnace (8).

12. The photo-thermal type multifunctional combined cycle steam power plant is characterized in that in any one of the photo-thermal type multifunctional combined cycle steam power plant described in claims 1-10, a high-temperature photo-thermal system (10) is provided with a steam channel which is communicated with a steam turbine (1), and the steam turbine (1) is also provided with a reheat steam channel which is communicated with the photo-thermal system (10) after the high-temperature photo-thermal system (10) is provided with the steam channel which is communicated with the steam turbine (1) so as to form the photo-thermal type multifunctional combined cycle steam power plant.

13. The photo-thermal type multifunctional combined cycle steam power plant is characterized in that in any one of the photo-thermal type multifunctional combined cycle steam power plant described in claims 1-10, a high-temperature photo-thermal system (10) is provided with a steam channel which is communicated with a steam turbine (1), and the photo-thermal type multifunctional combined cycle steam power plant is formed by adjusting that after the high-temperature photo-thermal system (10) is provided with the steam channel which is communicated with the steam turbine (1), the steam turbine (1) is also provided with a reheat steam channel which is communicated with the photo-thermal system through a heating furnace (8) and the high-temperature photo-thermal system (10).

14. A photo-thermal type multifunctional simultaneous combined cycle steam power plant is characterized in that a second booster pump and a low-temperature heat regenerator are added in any one of the photo-thermal type multifunctional simultaneous combined cycle steam power plants in claims 1-13, a condensate pipe line of a condenser (4) is communicated with the booster pump (3) and is adjusted to be communicated with the low-temperature heat regenerator (15) through the second booster pump (14), a steam extraction channel is additionally arranged in the compressor (2) and is communicated with the low-temperature heat regenerator (15), and a condensate pipe line of the low-temperature heat regenerator (15) is communicated with the booster pump (3) to form the photo-thermal type multifunctional simultaneous combined cycle steam power plant.

15. A photo-thermal type multifunctional combined cycle steam power plant is characterized in that in any one of the photo-thermal type multifunctional combined cycle steam power plant in claims 1 and 6, a new evaporator and a new diffusion pipe are added, the low-pressure steam channel of a steam turbine (1) is communicated with the evaporator (5) and is regulated to be communicated with the new evaporator (A) through the evaporator (5), the low-pressure steam channel of the evaporator (5) is respectively communicated with a compressor (2) and a condenser (4) and is regulated to be communicated with the new evaporator (A) through the low-pressure steam channel which is respectively communicated with the compressor (2) and the condenser (4), a condensate pipe of the condenser (4) is regulated to be communicated with the new evaporator (A) through the booster pump (3), and then the wet steam channel of the new evaporator (A) is communicated with the evaporator (5) through the new diffusion pipe (B) so as to form the photo-thermal type multifunctional combined cycle steam power plant.

16. A photo-thermal type multifunctional combined cycle steam power plant is characterized in that in any one of claims 2-5 and 7, a new evaporator and a new diffusion pipe are added, a low-pressure steam channel of a regenerator (11) is communicated with the evaporator (5) and is regulated to be communicated with the new evaporator (A) through the evaporator (5), the low-pressure steam channel of the evaporator (5) is respectively communicated with a compressor (2) and a condenser (4) and is regulated to be communicated with the new evaporator (A) through the low-pressure steam channel which is respectively communicated with the compressor (2) and the condenser (4), a condensate pipe of the condenser (4) is regulated to be communicated with the evaporator (5) through a booster pump (3), and a wet steam channel of the new evaporator (A) is communicated with the evaporator (5) through the new diffusion pipe (B) after the condensate pipe is communicated with the new evaporator (A), so that the photo-thermal type multifunctional combined cycle steam power plant is formed.

17. The photo-thermal type multifunctional combined cycle steam power plant is characterized in that an expansion speed increaser (16) is added to replace a steam turbine (1), a dual-energy compressor (17) is added to replace a compressor (2), a diffuser pipe (18) is added to replace a booster pump (3) in any one of the photo-thermal type multifunctional combined cycle steam power plants to form the photo-thermal type multifunctional combined cycle steam power plant.

18. The photo-thermal type multifunctional combined cycle steam power plant is characterized in that in any one of the photo-thermal type multifunctional combined cycle steam power plant of claims 1-16, an expansion speed increaser (16) is added to replace a steam turbine (1), a dual-energy compressor (17) is added to replace a compressor (2), a diffuser pipe (18) is added to replace a booster pump (3), a second dual-energy compressor (19) is added to replace a second compressor (7), and the photo-thermal type multifunctional combined cycle steam power plant is formed.