CN117823367A - 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 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 heat source heat exchanger, the compressor is provided with a steam channel which is communicated with the heat source heat exchanger, the heat source heat exchanger is also provided with a steam channel which is communicated with a high-temperature photo-thermal system through a second compressor and a medium-temperature photo-thermal system, 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, wherein 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 heat source heat exchanger is also provided with a heat source 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:

the heat of different grades and the conventional heat resources represented by industrial waste heat 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 thermal resources into mechanical energy is realized; obviously, it is of positive interest to try to reduce the number of thermal power devices.

In order to improve the heat efficiency, the improvement of the photo-thermal temperature is an important direction of solar energy utilization and development; the higher the photo-thermal temperature is, the construction cost of the photo-thermal system is correspondingly increased; the application value of the photo-heat is difficult to be improved in the same proportion along with the temperature improvement due to the influence of the working principle, materials, thermodynamic cycle and working medium properties, and the power application value of the photo-heat with different grades has a larger improvement space.

There is room for improvement in the thermal efficiency of medium/high-temperature heat resources represented by industrial waste heat, but under the conventional technical conditions, it is difficult to obtain breakthrough improvement in the thermal efficiency.

The invention provides a photo-thermal type multi-energy carrying and combined cycle steam power device which uses single-working-medium combined cycle as a working principle, has the advantages of different grade photo-thermal and conventional heat resource steps carrying, flexible connection, reasonable flow, simple structure, high thermodynamic perfection, low construction cost and high cost performance, and is based on the basic principle of simply, actively, safely and efficiently utilizing energy sources 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 plant mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a medium-temperature photo-thermal system and a high-temperature photo-thermal system; the 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 heat source heat exchanger, the compressor is provided with a steam channel which is communicated with the heat source heat exchanger, the heat source heat exchanger is also provided with a steam channel which is communicated with a high-temperature photo-thermal system through a second compressor and a medium-temperature photo-thermal system, 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, wherein 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 heat source heat exchanger is also provided with a heat source medium channel which is communicated with the outside, the steam turbine is connected with the compressor and the second compressor and transmits power, and a photo-thermal type multi-energy carrying and combined cycle steam power device is formed; wherein, or steam turbine connects compressor, booster pump and second compressor and transmits power.

2. The photo-thermal type multifunctional combined cycle steam power plant mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a medium-temperature photo-thermal system, a high-temperature photo-thermal system and a heat regenerator; the 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 heat source heat exchanger, the compressor is provided with a steam channel which is communicated with the heat source heat exchanger, the heat source heat exchanger is also provided with a steam channel which is communicated with a high-temperature photo-thermal system through a second compressor, a heat regenerator and a medium-temperature photo-thermal system, 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 divided into two paths after being communicated with the evaporator through the heat regenerator, wherein 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 heat source heat exchanger is also provided with a heat source medium channel which is communicated with the outside, the steam turbine is connected with the compressor and the second compressor and transmits power, and a photo-thermal type multi-energy carrying and combined cycle steam power device is formed; wherein, or steam turbine connects compressor, booster pump and second compressor and transmits power.

3. The photo-thermal type multifunctional combined cycle steam power plant mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a medium-temperature photo-thermal system, a high-temperature photo-thermal system and a heat regenerator; the 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 heat source heat exchanger, the heat source heat exchanger is provided with a steam channel which is communicated with the heat source heat exchanger, after the heat source heat exchanger is provided with a steam channel which is communicated with the second compressor, the second compressor is provided with a steam channel which is communicated with the high temperature photo-thermal system through a medium temperature photo-thermal system, the high temperature photo-thermal system is provided with a steam channel which is communicated with the steam turbine, and the steam turbine is provided with a low pressure steam channel which is communicated with the evaporator through the heat 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, the heat source heat exchanger is also provided with a heat source medium channel which is communicated with the outside, the steam turbine is connected with the compressor and the second compressor and transmits power, and a photo-thermal type multi-energy carrying and combined cycle steam power device is formed; wherein, or steam turbine connects compressor, booster pump and second compressor and transmits power.

4. The photo-thermal type multifunctional combined cycle steam power plant mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a medium-temperature photo-thermal system, a high-temperature photo-thermal system and a heat regenerator; the 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 heat source heat exchanger, the compressor is provided with a steam channel which is communicated with the heat source heat exchanger, the heat source heat exchanger is also provided with a steam channel which is communicated with a high-temperature photo-thermal system through a heat regenerator, a second compressor and a medium-temperature photo-thermal system, 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 divided into two paths after being communicated with the evaporator through the heat regenerator, wherein 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 heat source heat exchanger is also provided with a heat source medium channel which is communicated with the outside, the steam turbine is connected with the compressor and the second compressor and transmits power, and a photo-thermal type multi-energy carrying and combined cycle steam power device is formed; 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 heat source heat exchanger, a second compressor, a medium-temperature photo-thermal system, a high-temperature photo-thermal system, a heat regenerator and a second heat regenerator; the 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 heat source heat exchanger, the compressor is provided with a steam channel which is communicated with the heat source heat exchanger, the heat source heat exchanger is also provided with a steam channel which is communicated with a high-temperature photo-thermal system through a heat regenerator, a second compressor, a second heat regenerator and a medium-temperature photo-thermal system, 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 divided into two paths after being communicated with the evaporator through the second heat regenerator and the heat regenerator, wherein 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 heat source heat exchanger is also provided with a heat source medium channel which is communicated with the outside, the steam turbine is connected with the compressor and the second compressor and transmits power, and a photo-thermal type multi-energy carrying and combined cycle steam power device is formed; 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 plant mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a medium-temperature photo-thermal system and a high-temperature photo-thermal system; the condenser is provided with a condensate pipeline which is communicated with the evaporator through a booster pump, the evaporator is further provided with a steam channel which is communicated with a medium-temperature photo-thermal system through a heat source heat exchanger and a second compressor, 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, 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 divided into two paths after being communicated with the evaporator, wherein 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 heat source heat exchanger is also provided with a heat source medium channel which is communicated with the outside, the steam turbine is connected with the compressor and the second compressor and transmits power, and a photo-thermal type multi-energy carrying and combined cycle steam power device is formed; wherein, or steam turbine connects compressor, booster pump and second compressor and transmits power.

9. The photo-thermal type multifunctional combined cycle steam power plant mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a medium-temperature photo-thermal system and a high-temperature photo-thermal system; the 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 heat source heat exchanger, the heat source heat exchanger 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 photo-thermal system through the heat source heat exchanger, a second compressor and a medium-temperature photo-thermal system, the high-temperature photo-thermal 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 is divided into two paths, wherein 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 heat source heat exchanger is also provided with a heat source medium channel which is communicated with the outside, the steam turbine is connected with the compressor and the second compressor and transmits power, and a photo-thermal type multi-energy carrying and combined cycle steam power device is formed; wherein, or steam turbine connects compressor, booster pump and second compressor and transmits power.

10. The photo-thermal type multifunctional combined cycle steam power plant mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a medium-temperature photo-thermal system, a high-temperature photo-thermal system and a second steam turbine; the 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 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 heat source heat exchanger, a second compressor and a medium-temperature photo-thermal system, 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 communicated with the evaporator, and the evaporator 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, the heat source heat exchanger is also provided with a heat source medium channel which is communicated with the outside, the steam turbine is connected with the compressor and the second compressor and transmits power, and a photo-thermal type multi-energy carrying and combined cycle steam power device is formed; wherein, or steam turbine connects compressor, booster pump and second compressor 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 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 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.

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 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 steam channel of a high-temperature photo-thermal system is communicated with a steam turbine, and after the steam channel of the high-temperature photo-thermal system is communicated with the steam turbine, the steam turbine and a reheat steam channel of the steam turbine are communicated with the steam turbine through a medium-temperature photo-thermal system and the high-temperature photo-thermal system, so that the photo-thermal type multifunctional co-carrying combined cycle steam power device 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, the heat source heat exchanger comprises 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-medium temperature photo-thermal system, a 9-high temperature photo-thermal system, a 10-regenerator, an 11-second regenerator, a 12-second turbine, a 13-second booster pump, a 14-low temperature regenerator, a 15-expansion speed increaser, a 16-dual-energy compressor, a 17-diffuser pipe, an 18-second dual-energy compressor, an A-additional evaporator and a B-additional diffuser pipe.

The following brief description is given here about the photo-thermal, medium-temperature photo-thermal system and high-temperature photo-thermal system in the respective aspects:

(1) The medium-temperature photo-thermal system and the high-temperature photo-thermal system in the application are two types of solar heat collection systems distinguished from the temperature perspective, wherein the formed photo-thermal temperature is relatively higher and the formed photo-thermal temperature is relatively lower.

(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 medium temperature heat energy/high temperature heat energy converted by solar energy is directly supplied to a heated 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 provided for a heated medium flowing through a solar heat collection system through a heat exchanger by the working medium.

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 system mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a medium-temperature photo-thermal system and a high-temperature photo-thermal system; the condenser 4 is provided with a condensate pipeline which is communicated with the evaporator 5 through the booster pump 3, then the evaporator 5 is provided with a steam channel which is communicated with the heat source heat exchanger 6, the compressor 2 is provided with a steam channel which is communicated with the heat source heat exchanger 6, the heat source heat exchanger 6 is also provided with a steam channel which is communicated with the high-temperature photo-thermal system 9 through the second compressor 7 and the medium-temperature photo-thermal system 8, the high-temperature photo-thermal 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, wherein 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 heat source heat exchanger 6 is also provided with a heat source 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, condensate of the condenser 4 is boosted by the booster pump 3, is subjected to heat absorption and temperature rise and vaporization by the evaporator 5, then enters the heat source heat exchanger 6 to absorb heat and temperature rise, and steam discharged by the compressor 2 enters the heat source heat exchanger 6 to absorb heat and temperature rise; the steam discharged by the heat source heat exchanger 6 is boosted and heated by the second compressor 7, gradually absorbs heat and heats by the medium-temperature photo-thermal system 8 and the high-temperature photo-thermal system 9, 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 heat source medium provides driving heat load through the heat source heat exchanger 6, the solar energy provides driving heat load through the medium-temperature photo-thermal system 8 and the high-temperature photo-thermal system 9, and the cooling medium takes away low-temperature heat load through the condenser 4; 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 heat source heat exchanger, a second compressor, a medium-temperature photo-thermal system, a high-temperature photo-thermal system and a heat regenerator; the 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 provided with a steam channel which is communicated with the heat source heat exchanger 6, the compressor 2 is provided with a steam channel which is communicated with the heat source heat exchanger 6, the heat source heat exchanger 6 is also provided with a steam channel which is communicated with the high-temperature photo-thermal system 9 through a second compressor 7, a heat regenerator 10 and a medium-temperature photo-thermal system 8, the high-temperature photo-thermal 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 through the heat regenerator 10 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 heat source heat exchanger 6 is also provided with a heat source 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 10 to absorb heat and raise temperature, and then enters the medium-temperature photothermal system 8 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 heat source heat exchanger, a second compressor, a medium-temperature photo-thermal system, a high-temperature photo-thermal system and a heat regenerator; the condenser 4 is provided with a condensate pipeline which is communicated with the evaporator 5 through the booster pump 3, then the evaporator 5 is provided with a steam channel which is communicated with the heat source heat exchanger 6, the compressor 2 is provided with a steam channel which is communicated with the heat source heat exchanger 6, the heat source heat exchanger 6 is provided with a steam channel which is communicated with the second compressor 7 through the heat regenerator 10, then the second compressor 7 is provided with a steam channel which is communicated with the high temperature photo-thermal system 9 through the medium temperature photo-thermal system 8, the high temperature photo-thermal system 9 is provided with a steam channel which is communicated with the steam turbine 1, and the steam turbine 1 is provided with a low pressure steam channel which is communicated with the evaporator 5 through the heat regenerator 10 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 heat source heat exchanger 6 is also provided with a heat source 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 heat source heat exchanger 6 enters the second compressor 7 to be boosted and heated, and flows through the heat regenerator 10 to absorb heat and heat to be heated 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 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 heat source heat exchanger, a second compressor, a medium-temperature photo-thermal system, a high-temperature photo-thermal system and a heat regenerator; the 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 provided with a steam channel which is communicated with the heat source heat exchanger 6, the compressor 2 is provided with a steam channel which is communicated with the heat source heat exchanger 6, the heat source heat exchanger 6 is also provided with a steam channel which is communicated with the high-temperature photo-thermal system 9 through a heat regenerator 10, a second compressor 7 and a medium-temperature photo-thermal system 8, the high-temperature photo-thermal 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 divided into two paths after being communicated with the evaporator 5 through the heat regenerator 10, wherein 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 heat source heat exchanger 6 is also provided with a heat source 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 heat source heat exchanger 6 absorbs heat and heats up through the heat regenerator 10, and then enters the second compressor 7 to be boosted and heated up; 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. 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 heat source heat exchanger, a second compressor, a medium-temperature photo-thermal system, a high-temperature photo-thermal system, a heat regenerator and a second heat regenerator; the condenser 4 is provided with a condensate pipeline which is communicated with the evaporator 5 through the booster pump 3, then the evaporator 5 is provided with a steam channel which is communicated with the heat source heat exchanger 6, the compressor 2 is provided with a steam channel which is communicated with the heat source heat exchanger 6, the heat source heat exchanger 6 is also provided with a steam channel which is communicated with the high-temperature photo-thermal system 9 through the heat regenerator 10, the second compressor 7, the second heat regenerator 10 and the medium-temperature photo-thermal system 8, the high-temperature photo-thermal 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 through the second heat regenerator 10 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 heat source heat exchanger 6 is also provided with a heat source 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 heat source heat exchanger 6 absorbs heat and rises in temperature through the heat regenerator 10, rises in pressure and rises in temperature through the second compressor 7, absorbs heat and rises in temperature through the second heat regenerator 11, and then enters the medium-temperature photo-thermal system 8 to absorb heat and rise in 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. 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. 5, 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. 5, 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 system mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a medium-temperature photo-thermal system and a high-temperature photo-thermal system; the 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 the medium-temperature photothermal system 8 through a heat source heat exchanger 6 and a second compressor 7, the compressor 2 is provided with a steam channel which is communicated with the medium-temperature photothermal system 8, the medium-temperature photothermal system 8 is also provided with a steam channel which is communicated with the high-temperature photothermal system 9, 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, 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 heat source heat exchanger 6 is also provided with a heat source 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 and temperature rise by the evaporator 5, is totally or partially vaporized, is subjected to heat absorption by the heat source heat exchanger 6, is subjected to pressure boost and temperature rise by the second compressor 7, then enters the medium-temperature photo-thermal system 8 to absorb heat and temperature rise, and the steam discharged by the compressor 2 enters the medium-temperature photo-thermal system 8 to absorb heat and temperature rise; 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 system mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a medium-temperature photo-thermal system and a high-temperature photo-thermal system; the 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 provided with a steam channel which is communicated with the heat source heat exchanger 6, the heat source heat exchanger 6 is also provided with a steam channel which is communicated with the steam turbine 1 through an intermediate port, the compressor 2 is provided with a steam channel which is communicated with the high temperature photo-thermal system 9 through the heat source heat exchanger 6, the second compressor 7 and the medium temperature photo-thermal system 8, the high temperature photo-thermal 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, 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 heat source heat exchanger 6 is also provided with a heat source 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 heated and vaporized by the heat absorption of the evaporator 5, is heated by the heat absorption of the heat source heat exchanger 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 absorbs heat and heats up through the heat source heat exchanger 6, is boosted and heats up through the second compressor 7, gradually absorbs heat and heats up through the medium-temperature photo-thermal system 8 and the high-temperature photo-thermal system 9, and then enters the steam turbine 1 to be decompressed 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 heat source heat exchanger, a second compressor, a medium-temperature photo-thermal system, a high-temperature photo-thermal system and a second steam turbine; the 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 the second steam turbine 12, the second steam turbine 12 is further 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 heat source heat exchanger 6, a second compressor 7 and a medium-temperature photo-thermal system 8, the high-temperature photo-thermal system 9 is further provided with a steam channel which is communicated with the steam turbine 1, the steam turbine 1 is further provided with a low-pressure steam channel which is communicated with the evaporator 5, and the evaporator 5 is further 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 heat source heat exchanger 6 is also provided with a heat source 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 depressurization and work by the second steam turbine 12, and then enters the evaporator 5; the steam discharged by the compressor 2 is subjected to heat absorption and temperature rise through the heat source heat exchanger 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 medium-temperature photo-thermal system 8 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 12 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 12 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 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, 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 14 through the second booster pump 13, a steam extraction channel is additionally arranged on the compressor 2 and is communicated with the low-temperature heat regenerator 14, and the condensate pipe arranged on the low-temperature heat regenerator 14 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 13 to be boosted and then enters the low-temperature regenerator 14 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 14 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 14, and the second path is continuously boosted and heated and then enters the heat source heat exchanger 6, so that the photo-thermal type multifunctional portable same 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 portable combined cycle steam power plant shown in fig. 1, an expansion speed increaser 15 is added to replace a steam turbine 1, a dual-energy compressor 16 is added to replace a compressor 2, and a diffuser pipe 17 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: condensate of the condenser 4 is subjected to speed reduction and pressure increase through a diffuser pipe 17, is subjected to heat absorption and temperature rise and vaporization through the evaporator 5, then enters the heat source heat exchanger 6 to absorb heat and raise temperature, and steam discharged by the dual-energy compressor 16 enters the heat source heat exchanger 6 to absorb heat and raise temperature; the steam discharged by the high-temperature photo-thermal system 9 flows through the expansion speed increaser 15 to be subjected to depressurization, work and speed increase, the low-pressure steam discharged by the expansion speed increaser 15 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 16 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 15 is provided for the second compressor 7, the dual-energy compressor 16 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 15 is added to replace a steam turbine 1, a dual-energy compressor 16 is added to replace a compressor 2, a diffuser pipe 17 is added to replace a booster pump 3, and a second dual-energy compressor 18 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: condensate of the condenser 4 is subjected to speed reduction and pressure increase through a diffuser pipe 17, is subjected to heat absorption and temperature rise and vaporization through the evaporator 5, then enters the heat source heat exchanger 6 to absorb heat and raise temperature, and steam discharged by the dual-energy compressor 16 enters the heat source heat exchanger 6 to absorb heat and raise temperature; the steam discharged by the heat source heat exchanger 6 flows through the second dual-energy compressor 18 to be boosted, heated and decelerated, and then enters the medium-temperature photo-thermal system 8 to absorb heat and raise temperature; the steam discharged by the high-temperature photo-thermal system 9 flows through the expansion speed increaser 15 to be subjected to depressurization, work and speed increase, the low-pressure steam discharged by the expansion speed increaser 15 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 16 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 15 is provided for the double-energy compressor 16, the second double-energy compressor 18 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 medium-temperature photo-thermal system and the conventional heat resource 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 cross type and grade gradient carrying is realized between the high-temperature photo-thermal, the medium-temperature photo-thermal and the conventional heat resource, and the thermodynamic perfection is high.

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

(4) The conventional heat resources are flexibly connected with the medium-temperature photo-thermal, so that the utilization value of the medium-temperature photo-thermal converted into mechanical energy is improved.

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

(6) The application value of conventional heat resource power is developed at a high level, and the irreversible loss of temperature difference in the process of providing driving heat load by medium-temperature photo-thermal is reduced; 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 driving thermal load by high-temperature photo-thermal supply 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 conventional heat resource 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 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 (18)

1. The photo-thermal type multifunctional combined cycle steam power plant mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a medium-temperature photo-thermal system and a high-temperature photo-thermal system; 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 heat source heat exchanger (6), the compressor (2) is provided with a steam channel which is communicated with the heat source heat exchanger (6), the heat source heat exchanger (6) is also provided with a steam channel which is communicated with the high-temperature photo-thermal system (9) through a second compressor (7) and a medium-temperature photo-thermal system (8), the high-temperature photo-thermal 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, 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 heat source heat exchanger (6) is also provided with a heat source 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, and a photo-thermal type multifunctional combined cycle steam power device is formed; 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 plant mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a medium-temperature photo-thermal system, a high-temperature photo-thermal system and a heat regenerator; 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 heat source heat exchanger (6), the compressor (2) is provided with a steam channel which is communicated with the heat source heat exchanger (6), the heat source heat exchanger (6) is also provided with a steam channel which is communicated with the high-temperature photo-thermal system (9) through a second compressor (7), a heat regenerator (10) and a medium-temperature photo-thermal system (8), the high-temperature photo-thermal 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) through the heat 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 heat source heat exchanger (6) is also provided with a heat source 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, and a photo-thermal type multifunctional combined cycle steam power device is formed; 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 plant mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a medium-temperature photo-thermal system, a high-temperature photo-thermal system and a heat regenerator; the 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 the heat source heat exchanger (6), the compressor (2) is provided with a steam channel which is communicated with the heat source heat exchanger (6), after the heat source heat exchanger (6) is further provided with a steam channel which is communicated with the second compressor (7), the second compressor (7) is further provided with a steam channel which is communicated with the high temperature photo-thermal system (9) through a medium temperature photo-thermal system (8), the high temperature photo-thermal 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 heat regenerator (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 channel which is communicated with the outside, the heat source heat exchanger (6) is also provided with a heat source 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, and a photo-thermal type multifunctional combined cycle steam power device is formed; 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 plant mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a medium-temperature photo-thermal system, a high-temperature photo-thermal system and a heat regenerator; 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 heat source heat exchanger (6), the compressor (2) is provided with a steam channel which is communicated with the heat source heat exchanger (6), the heat source heat exchanger (6) is also provided with a steam channel which is communicated with the high-temperature photo-thermal system (9) through a heat regenerator (10), a second compressor (7) and a medium-temperature photo-thermal system (8), the high-temperature photo-thermal 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) through the heat 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 heat source heat exchanger (6) is also provided with a heat source 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, and a photo-thermal type multifunctional combined cycle steam power device is formed; 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 heat source heat exchanger, a second compressor, a medium-temperature photo-thermal system, a high-temperature photo-thermal system, a heat regenerator and a second heat regenerator; the 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 the heat source heat exchanger (6), the compressor (2) is provided with a steam channel which is communicated with the heat source heat exchanger (6), the heat source heat exchanger (6) is also provided with a steam channel which is communicated with the high-temperature photo-thermal system (9) through a heat regenerator (10), a second compressor (7), a second heat regenerator (11) and a medium-temperature photo-thermal system (8), the high-temperature photo-thermal 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) through the second heat regenerator (11) and the heat regenerator (10) 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 heat source heat exchanger (6) is also provided with a heat source 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, and a photo-thermal type multifunctional combined cycle steam power device is formed; 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 (10), 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 (10), 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 (11) and a heat regenerator (10), adjusting the low-pressure steam channel of the steam turbine (1) to be communicated with the steam turbine through the second heat regenerator (11) and then communicating the low-pressure steam channel of the steam turbine (1) with the evaporator (5) through the heat regenerator (10).

8. The photo-thermal type multifunctional combined cycle steam power plant mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a medium-temperature photo-thermal system and a high-temperature photo-thermal system; 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 medium-temperature photo-thermal system (8) through a heat source heat exchanger (6) and a second compressor (7), the compressor (2) is provided with a steam channel which is communicated with the medium-temperature photo-thermal system (8), the medium-temperature photo-thermal system (8) is also 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 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 heat source heat exchanger (6) is also provided with a heat source 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, and a photo-thermal type multifunctional combined cycle steam power device is formed; 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 plant mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a medium-temperature photo-thermal system and a high-temperature photo-thermal system; 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 heat source heat exchanger (6), the heat source heat exchanger (6) is also provided with a steam channel which is communicated with the steam turbine (1) through an intermediate port, the compressor (2) is provided with a steam channel which is communicated with the high-temperature photo-thermal system (9) through the heat source heat exchanger (6), a second compressor (7) and a medium-temperature photo-thermal system (8), the high-temperature photo-thermal 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 heat source heat exchanger (6) is also provided with a heat source 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, and a photo-thermal type multifunctional combined cycle steam power device is formed; 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 plant mainly comprises a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a heat source heat exchanger, a second compressor, a medium-temperature photo-thermal system, a high-temperature photo-thermal system and a second steam turbine; 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 second steam turbine (12), the second steam turbine (12) 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 heat source heat exchanger (6), a second compressor (7) and a medium-temperature photo-thermal system (8), 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 channel which is communicated with the outside, the heat source heat exchanger (6) is also provided with a heat source 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, and a photo-thermal type multifunctional combined cycle steam power device is formed; 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 (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 (8) 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.

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 (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 (9).

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 (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 (8) 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 (14) through the second booster pump (13), a steam extraction channel is additionally arranged in the compressor (2) and is communicated with the low-temperature heat regenerator (14), and a condensate pipe line of the low-temperature heat regenerator (14) 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 (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 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 (15) is added to replace a steam turbine (1), a dual-energy compressor (16) is added to replace a compressor (2), a diffuser pipe (17) 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 (15) is added to replace a steam turbine (1), a dual-energy compressor (16) is added to replace a compressor (2), a diffuser pipe (17) is added to replace a booster pump (3), a second dual-energy compressor (18) is added to replace a second compressor (7), and the photo-thermal type multifunctional combined cycle steam power plant is formed.