CN117823363A - 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 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 high temperature photo-thermal system through a medium temperature photo-thermal system and the heating furnace, the compressor is provided with a steam channel which is communicated with the high temperature photo-thermal system through the medium temperature photo-thermal system 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 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 transmits power to form the photo-thermal type multi-energy 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/high-temperature photo-heat through 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 heating temperature, the corresponding construction cost is obviously increased.

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 and combined cycle steam power device which has the advantages of reasonable flow, simple structure, high thermodynamic perfection, obvious improvement of high-value power utilization of the three, low construction cost and high cost performance, and provides a principle of simply, actively, safely and efficiently utilizing energy to obtain power.

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 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 high temperature photo-thermal system through a medium temperature photo-thermal system and the heating furnace, the compressor is provided with a steam channel which is communicated with the high temperature photo-thermal system through the medium temperature photo-thermal system 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 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 transmits power to form a photo-thermal type multi-energy carrying and combined cycle steam power device; wherein, or the steam turbine connects the compressor and the booster pump 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 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 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 transmits power to form a photo-thermal type multi-energy carrying and combined cycle steam power device; wherein, or the steam turbine connects the compressor and the booster pump 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 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 through the regenerator, a compressor is provided with a steam channel which is communicated with a medium-temperature photothermal system through the regenerator, the medium-temperature photothermal system is also provided with a steam channel which is communicated with a high-temperature photothermal system through 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 transmits power to form a photo-thermal type multi-energy carrying and combined cycle steam power device; wherein, or the steam turbine connects the compressor and the booster pump 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 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 through the regenerator, a compressor is provided with a steam channel which is communicated with a high-temperature photothermal system through the regenerator, the medium-temperature photothermal system is also provided with a steam channel which is communicated with a high-temperature photothermal system through 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 the evaporator 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 transmits power to form a photo-thermal type multi-energy carrying and combined cycle steam power device; wherein, or the steam turbine connects the compressor and the booster pump and transmits power.

5. The photo-thermal type multifunctional co-cycle steam power plant according to claim 2 or 3, wherein the low-pressure steam passage of the steam turbine is communicated with the evaporator through the heat regenerator, and the low-pressure steam passage of the steam turbine is communicated with the evaporator after the low-pressure steam passage of the steam turbine is communicated with the heat regenerator, so as to form the photo-thermal type multifunctional co-cycle steam power plant.

6. The photo-thermal type multifunctional co-carrying combined cycle steam power device in the 4 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.

7. The photo-thermal type multifunctional combined cycle steam power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, a medium-temperature photo-thermal system, a heating furnace, a heat source regenerator, a high-temperature photo-thermal system and a heat supplier; 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 a medium temperature photo-thermal system through a booster pump, then the medium temperature photo-thermal system is provided with a steam channel which is communicated with a high temperature photo-thermal system through the heating furnace, a compressor is provided with a steam channel which is communicated with the high temperature photo-thermal system through 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 a heat supply device 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, the heater is also provided with a heated medium channel which is communicated with the outside, and the steam turbine is connected with the compressor and transmits power to form a photo-thermal type multifunctional combined cycle steam power device; wherein, or the steam turbine connects the compressor and the booster pump and transmits power.

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 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, the heating furnace is also provided with a steam channel which is communicated with a steam turbine through a middle port, the compressor is provided with a steam channel which is communicated with a high-temperature photothermal system through the medium-temperature photothermal system 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 transmits power to form a photo-thermal type multi-energy carrying and combined cycle steam power device; wherein, or the steam turbine connects the compressor and the booster pump 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 heating furnace, a heat source regenerator, a high-temperature photo-thermal system and a second steam turbine; 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 has condensate pipeline to communicate with evaporator through booster pump, the evaporator has steam channel to communicate with second steam turbine, the second steam turbine has low-pressure steam channel to communicate with evaporator, the compressor has steam channel to communicate with high-temperature photo-thermal system through medium-temperature photo-thermal system and heating furnace, the high-temperature photo-thermal system has steam channel to communicate with steam turbine, the steam turbine has low-pressure steam channel to communicate with evaporator, the evaporator has low-pressure steam channel to communicate with compressor and condenser separately; 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 transmits power to form a photo-thermal type multi-energy carrying and combined cycle steam power device; wherein, or the steam turbine connects the compressor and the booster pump and transmits power.

10. 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 1-9 th aspect, 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 medium-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.

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 the 9 th, a high-temperature photo-thermal system is communicated with a steam turbine, and after the high-temperature photo-thermal system is communicated with the steam turbine, the steam turbine is also communicated with the reheat steam channel through a heating furnace, so that the photo-thermal type multifunctional co-carrying combined cycle steam power device is formed.

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 1-9 th aspect, 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 co-cycle steam power plant is characterized in that in any one of the photo-thermal type multifunctional co-cycle steam power plants in the 1 st to the 9 th, a high-temperature photo-thermal system is communicated with a steam turbine, and the steam turbine is regulated to be communicated with the steam turbine through a medium-temperature photo-thermal system, a heating furnace and a high-temperature photo-thermal system after the high-temperature photo-thermal system is communicated with the steam turbine, so that the photo-thermal type multifunctional co-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 5 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 nd to the 4 th and the 6 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 14 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.

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.

In the figure, a 1-turbine, a 2-compressor, a 3-booster pump, a 4-condenser, a 5-evaporator, a 6-medium temperature photo-thermal system, a 7-heating furnace, an 8-heat source regenerator, a 9-high temperature photo-thermal system, a 10-regenerator, an 11-second regenerator, a 12-heater, 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-diffusion pipe, an A-newly added evaporator and a B-newly added diffusion 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/high temperature thermal 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 medium temperature/high temperature heat energy converted by solar energy is directly provided for a circulating working medium flowing through a solar heat collection system; (2) the medium temperature/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 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 7, the outside is also provided with an air channel which is communicated with the heating furnace 7 through a heat source regenerator 8, the heating furnace 7 is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator 8, 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 high temperature photo-thermal system 9 through a medium temperature photo-thermal system 6 and the heating furnace 7, the compressor 2 is provided with a steam channel which is communicated with the high temperature photo-thermal system 9 through the medium temperature photo-thermal system 6 and the heating furnace 7, the high temperature photo-thermal system 9 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 communicated with the evaporator 5 and then 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 transmits power.

(2) In the flow, external fuel enters the heating furnace 7, external air enters the heating furnace 7 after absorbing heat and raising temperature through the heat source regenerator 8, fuel and air are mixed in the heating furnace 7 and combusted to generate fuel gas with higher temperature, the fuel gas releases heat in steam flowing through the heating furnace 7, and then the fuel gas releases heat and lowers temperature through the heat source regenerator 8 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; steam discharged by the medium-temperature photo-thermal system 6 is gradually absorbed in heat and is heated through the heating furnace 7 and the high-temperature photo-thermal system 9, and then enters the steam to flow through 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, 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 9, the fuel provides driving heat load through the heating furnace 7, the cooling medium takes away low-temperature heat load through the condenser 4, and the air and the fuel gas take away heat load through the in-out heating furnace 7; the work output by the steam turbine 1 is provided for the compressor 2 and external power, or the work output by the steam turbine 1 is provided for the compressor 2, the booster pump 3 and external power, so that the photo-thermal type multi-energy co-cycle steam power plant 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 photothermal system, a heating furnace, a heat source regenerator, a high-temperature photothermal system and a regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace 7, the outside is also provided with an air channel which is communicated with the heating furnace 7 through a heat source regenerator 8, the heating furnace 7 is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator 8, 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 9 through a regenerator 10 and the heating furnace 7, the high-temperature photothermal system 9 is also provided with a steam channel which is communicated with a steam turbine 1, and a low-pressure steam channel which is communicated with the evaporator 5 through the regenerator 10 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 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 10 to absorb heat and raise temperature, and then enters the heating furnace 7 to absorb heat and raise temperature; low-pressure steam discharged by the steam turbine 1 flows through the heat regenerator 10 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 photothermal system, a heating furnace, a heat source regenerator, a high-temperature photothermal system and a regenerator; the outside is provided with a fuel channel which is communicated with a heating furnace 7, the outside is also provided with an air channel which is communicated with the heating furnace 7 through a heat source regenerator 8, the heating furnace 7 is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator 8, 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 through a regenerator 10, a compressor 2 is provided with a steam channel which is communicated with the medium-temperature photothermal system 6 through the regenerator 10, the medium-temperature photothermal system 6 is also provided with a steam channel which is communicated with a high-temperature photothermal system 9 through the heating furnace 7, the high-temperature photothermal system 9 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 10, 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 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 high-pressure steam respectively discharged by the evaporator 5 and the compressor 2 flows through the heat regenerator 10 to absorb heat and raise temperature, and then enters the medium-temperature photothermal system 6 to absorb heat and raise temperature; low-pressure steam discharged by the steam turbine 1 flows through the heat regenerator 10 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 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 the heating furnace 7, the outside is also provided with an air channel which is communicated with the heating furnace 7 through a heat source regenerator 8, the heating furnace 7 is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator 8, a condensate pipe of the condenser 4 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 the medium-temperature photothermal system 6 through a regenerator 10, the compressor 2 is provided with a steam channel which is communicated with the medium-temperature photothermal system 6 through a regenerator 10, the medium-temperature photothermal system 6 is further provided with a steam channel which is communicated with the high-temperature photothermal system 9 through a second regenerator 10 and the heating furnace 7, the high-temperature photothermal system 9 is further provided with a steam channel which is communicated with the steam turbine 1, and the steam turbine 1 is further provided with a low-pressure steam channel which is divided into two paths after being communicated with the evaporator 5 through the second regenerator 10 and the booster pump 10, 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 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 high-pressure steam discharged by the evaporator 5 and the compressor 2 respectively flows through the heat regenerator 10, the medium-temperature photo-thermal system 6 and the second heat regenerator 11 to absorb heat gradually and raise temperature, and then enters the heating furnace 7 to absorb heat and raise temperature; low-pressure steam discharged by the steam turbine 1 flows through the second heat regenerator 11, the heat regenerator 10 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. 5 is realized by the following steps:

(1) Structurally, in the photo-thermal type multi-energy portable combined cycle steam power device shown in fig. 2, a low-pressure steam channel of the steam turbine 1 is communicated with the evaporator 5 through the heat regenerator 10, 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 10.

(2) In the flow, compared with the photo-thermal type multi-energy carrying combined cycle steam power plant shown in fig. 2, the difference is that: the steam discharged by the high-temperature photo-thermal system 9 enters the steam turbine 1 to perform depressurization and work, flows through the heat regenerator 10 to release heat and cool to a certain extent, then 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. 6 is realized by the following steps:

(1) Structurally, in the photo-thermal type multi-energy 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 10, 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 10.

(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 9 enters the steam turbine 1 to perform depressurization and work, flows through the heat regenerator 10 to release heat and cool to a certain extent, then 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. 4, a low-pressure steam channel of the steam turbine 1 is communicated with the evaporator 5 through the second heat regenerator 11 and the heat regenerator 10, so that the steam channel of the steam turbine 1 is communicated with the steam generator through the second heat regenerator 11, and then the low-pressure steam channel of the steam turbine 1 is communicated with the evaporator 5 through the heat regenerator 10.

(2) In the flow, compared with the photo-thermal type multi-energy carrying combined cycle steam power plant shown in fig. 4, the difference is that: the steam discharged by the high-temperature photo-thermal system 9 enters the steam turbine 1 to perform depressurization and work, flows through the second heat regenerator 11 to release heat and cool to a certain extent, then enters the steam turbine 1 to continue depressurization and work, and then enters the heat regenerator 10 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, a medium-temperature photo-thermal system, a heating furnace, a heat source regenerator, a high-temperature photo-thermal system and a heat supplier; the outside is provided with a fuel channel which is communicated with a heating furnace 7, the outside is also provided with an air channel which is communicated with the heating furnace 7 through a heat source regenerator 8, the heating furnace 7 is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator 8, a condenser 4 is provided with a condensate pipe which is communicated with a medium temperature photothermal system 6 through a booster pump 3, the medium temperature photothermal system 6 is further provided with a steam channel which is communicated with a high temperature photothermal system 9 through the heating furnace 7, a compressor 2 is provided with a steam channel which is communicated with the high temperature photothermal system 9 through the heating furnace 7, the high temperature photothermal system 9 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 a heat supply 12 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, the heater 12 is also provided with a heated medium passage communicated with the outside, and the steam turbine 1 is connected with the compressor 2 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 heated and vaporized by the medium-temperature photo-thermal system 6, then enters the heating furnace 7 to absorb heat and raise temperature, and the steam discharged by the compressor 2 enters the heating furnace 7 to absorb heat and raise temperature; low-pressure steam discharged by the steam turbine 1 flows through the heat supplier 12 to release heat and cool, and then enters the compressor 2 to raise the pressure and heat and enters the condenser 4 to release heat and condense respectively; the heated medium takes away the heat supply load through the heater 12 to form the photo-thermal type multifunctional portable combined cycle steam power plant.

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 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 7, the outside is also provided with an air channel which is communicated with the heating furnace 7 through a heat source regenerator 8, the heating furnace 7 is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator 8, 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 the heating furnace 7 through a medium-temperature photothermal system 6, the heating furnace 7 is also provided with a steam channel which is communicated with the turbine 1 through a middle port, the compressor 2 is provided with a steam channel which is communicated with the high-temperature photothermal system 9 through the medium-temperature photothermal system 6 and the heating furnace 7, the high-temperature photothermal system 9 is also provided with a steam channel which is communicated with the 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 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 gradual heat absorption and temperature rise by the medium-temperature photo-thermal system 6 and the heating furnace 7, 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 gradually absorbed in heat and is heated up through the medium-temperature photo-thermal system 6, the heating furnace 7 and the high-temperature photo-thermal system 9, and then enters the steam turbine 1 to be depressurized 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 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 7, the outside is also provided with an air channel which is communicated with the heating furnace 7 through a heat source regenerator 8, the heating furnace 7 is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator 8, the 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 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 9 through a medium-temperature photo-thermal system 6 and the heating furnace 7, the high-temperature photo-thermal system 9 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 a 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 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 gradually absorbed in heat and is heated up through the medium-temperature photo-thermal system 6, the heating furnace 7 and the high-temperature photo-thermal system 9, 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 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 and the 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. 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 9 is communicated with a steam turbine 1, and after the steam channel of the high-temperature photo-thermal system 9 is communicated with the steam turbine 1, the steam turbine 1 is also communicated with the reheat steam channel through the high-temperature photo-thermal system 9.

(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 9 enters the steam turbine 1 to perform depressurization and work, enters the high-temperature photo-thermal system 9 to absorb heat and raise temperature after reaching a certain degree, then enters the steam turbine 1 to continue depressurization and work, and the low-pressure steam discharged by the steam turbine 1 is provided for the evaporator 5 to form the photo-thermal type multifunctional combined cycle steam power plant.

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 implemented as follows:

(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 9 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 a dual-energy compressor 17 and external power to form a photo-thermal type multi-energy co-cycle steam power plant.

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) The type and grade of the high-temperature photo-thermal, the fuel and the medium-temperature photo-thermal are carried simultaneously, and 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 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 remarkably 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 loss of temperature difference 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 the 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-increasing ratio of the combined cycle, improving the flow of the cycle working medium, and being beneficial to constructing a large-load photo-thermal type multifunctional combined cycle steam power plant.

(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 energy utilization level is improved, and the application range of the photo-thermal type multi-energy co-cycle steam power plant is expanded.

Claims (17)

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

5. The photo-thermal type multifunctional combined cycle steam power plant is characterized in that in the photo-thermal type multifunctional combined cycle steam power plant in claim 2 or claim 3, a low-pressure steam channel of a steam turbine (1) is communicated with an evaporator (5) through a heat regenerator (10), and the steam turbine 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 (10), so that the photo-thermal type multifunctional combined cycle steam power plant is formed.

6. In the photo-thermal type multi-energy co-cycle steam power plant, a low-pressure steam channel of a steam turbine (1) is communicated with an evaporator (5) through a second heat regenerator (11) and a heat regenerator (10), and the photo-thermal type multi-energy co-cycle steam power plant is formed by adjusting that the low-pressure steam channel of the steam turbine (1) is communicated with the evaporator (5) through the heat regenerator (10) after the steam channel of the steam turbine (1) is communicated with the photo-thermal type multi-energy co-cycle steam power plant through the second heat regenerator (11).

7. The photo-thermal type multifunctional combined cycle steam power device mainly comprises a steam turbine, a compressor, a booster pump, a condenser, a medium-temperature photo-thermal system, a heating furnace, a heat source regenerator, a high-temperature photo-thermal system and a heat supplier; the outside is provided with a fuel channel which is communicated with a heating furnace (7), the outside is also provided with an air channel which is communicated with the heating furnace (7) through a heat source regenerator (8), the heating furnace (7) is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator (8), a condenser (4) is provided with a condensate pipeline which is communicated with a medium-temperature photo-thermal system (6) through a booster pump (3), the medium-temperature photo-thermal system (6) is further provided with a steam channel which is communicated with a high-temperature photo-thermal system (9) through the heating furnace (7), the compressor (2) is provided with a steam channel which is communicated with the high-temperature photo-thermal system (9), the high-temperature photo-thermal system (9) is also communicated with a steam turbine (1), and the steam turbine (1) is also provided with a low-pressure steam channel which is communicated with a heat supply device (12) 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 heater (12) is also provided with a heated medium channel which is communicated with the outside, and the steam turbine (1) is connected with the compressor (2) 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) and the booster pump (3) and transmits power.

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 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 (7), the outside is also provided with an air channel which is communicated with the heating furnace (7) through a heat source regenerator (8), the heating furnace (7) is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator (8), a condenser (4) is provided with a condensate pipeline 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 the heating furnace (7) through a medium-temperature photothermal system (6), the heating furnace (7) is also provided with a steam channel which is communicated with a steam turbine (1) through a medium-temperature photothermal system (6) and the heating furnace (7), the high-temperature photothermal system (9) 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 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 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) and the booster pump (3) 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 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 (7), the outside is also provided with an air channel which is communicated with the heating furnace (7) through a heat source regenerator (8), the heating furnace (7) is also provided with a fuel gas channel which is communicated with the outside through the heat source regenerator (8), 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 (9) through a medium-temperature photo-thermal system (6) and the heating furnace (7), the high-temperature photo-thermal system (9) 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 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) and the booster pump (3) and transmits power.

10. 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 1-9, a high-temperature photo-thermal system (9) 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 through a medium-temperature photo-thermal system (6) after the high-temperature photo-thermal system (9) is provided with the steam channel which is communicated with the steam turbine (1) is adjusted to form the photo-thermal type multifunctional combined cycle steam power plant.

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 1-9, a high-temperature photo-thermal system (9) 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 (9) 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 (7).

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 1-9, a high-temperature photo-thermal system (9) 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 (9) through the high-temperature photo-thermal system (9) after the high-temperature photo-thermal system (9) is provided with the steam channel which is communicated with the steam turbine (1) is adjusted 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 in claims 1-9, a high-temperature photo-thermal system (9) 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 (9) 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 medium-temperature photo-thermal system (6), a heating furnace (7) and the high-temperature photo-thermal system (9).

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 5, 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 a wet steam channel of the new evaporator (A) is communicated with the evaporator (5) through the new diffusion pipe (B), so that the photo-thermal type multifunctional combined cycle steam power plant is formed.

16. A photo-thermal type multifunctional combined cycle steam power plant is characterized in that in any one of claims 2-4 and 6, a new evaporator and a new diffusion pipe are added, a low-pressure steam channel of a regenerator (10) 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 the compressor (2) and the 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.