High-temperature gas cooled reactor helium turbine power generation expansion system

Abstract

The invention discloses a high-temperature gas cooled reactor helium turbine power generation expansion system which comprises a high-temperature gas cooled reactor, a gas inlet pipe, a gas outlet pipe and a first circulation pipeline, and the high-temperature gas cooled reactor is provided with a helium inlet and a helium outlet; the gas inlet pipe is communicated with the helium inlet, and the gas outlet pipe is communicated with the helium outlet. According to the expansion application module provided by the invention, the application of the high-temperature gas cooled reactor is not limited to power generation and industrial heat supply, but also can be applied to multiple fields of hydrogen production, resident heat supply, seawater desalination and the like, and the use scene of the high-temperature gas cooled reactor is greatly enriched. The high-temperature gas cooled reactor has the characteristics of high efficiency and low carbon, and is combined with the expansion application module, so that the dependence on fossil energy is reduced, the greenhouse gas emission is reduced, and the requirement of sustainable development is met. By additionally arranging the helium turbine power generation expansion system, the heat energy utilization efficiency of the high-temperature gas cooled reactor is improved, the application range of the high-temperature gas cooled reactor is widened, and further development and application of the nuclear energy technology are promoted.

Description

Technical Field

[0001] This invention relates to the field of high-temperature gas-cooled reactor technology, and more specifically to a high-temperature gas-cooled reactor helium turbine power generation extension system. Background Technology

[0002] With the increasing global demand for clean energy, nuclear energy, as an efficient and low-carbon energy form, plays a vital role in achieving energy structure transformation and addressing climate change. High-temperature gas-cooled reactors, as an advanced nuclear reactor technology, are characterized by high efficiency, safety, and environmental friendliness, and their applications in power generation and industrial heating have attracted widespread attention.

[0003] However, existing high-temperature gas-cooled reactor (HTGR) nuclear energy utilization is mainly concentrated in power generation and industrial heating, and its application modules are not expandable, limiting the widespread application of HTGRs. Against this backdrop, this invention aims to provide an HTGR helium turbine power generation expansion system to overcome the limitations of existing technologies, increase the modes of expanded applications, and enrich the usage scenarios of HTGRs. Summary of the Invention

[0004] The present invention aims to at least partially solve one of the technical problems in the related art.

[0005] Therefore, embodiments of the present invention propose a high-temperature gas-cooled reactor helium turbine power generation extension system.

[0006] The high-temperature gas-cooled reactor helium turbine power generation extension system of this invention includes a high-temperature gas-cooled reactor, an inlet pipe, an outlet pipe, and a first circulation pipeline. The high-temperature gas-cooled reactor has a helium inlet and a helium outlet. The inlet pipe is connected to the helium inlet, and the outlet pipe is connected to the helium outlet. A first branch pipe and a second branch pipe are connected in parallel between the inlet pipe and the outlet pipe. A helium turbine is installed on the first branch pipe, and a superheater and a steam generator are sequentially installed on the second branch pipe along the helium flow direction. The first circulation pipeline is equipped with a water supply pump and an extended application module. The first circulation pipeline is connected to the superheater and the steam generator. The water supply pump is used to supply water to the first circulation pipeline. The water in the first circulation pipeline exchanges heat with helium in the steam generator to generate saturated steam. The saturated steam generated in the steam generator exchanges heat with helium in the superheater to form superheated steam. The superheated steam generated in the superheater is delivered to the extended application module for use.

[0007] In some embodiments, a preheater is provided on the air inlet pipe, the first circulation pipeline is connected to the preheater, and the water in the first circulation pipeline is preheated with helium in the preheater and then transported to the steam generator.

[0008] In some embodiments, the air inlet pipe is provided with a heater located upstream of the preheater, the first circulation pipeline is connected to the heater, and the water preheated by the preheater is heated by helium in the heater and then transported to the steam generator.

[0009] In some embodiments, the first circulation pipeline is provided with a deaerator located between the preheater and the heater.

[0010] In some embodiments, a third branch pipe is provided on the first circulation pipeline, and the two ends of the third branch pipe are respectively connected to the steam generator and the deaerator, so that the condensate generated in the steam generator flows back to the deaerator.

[0011] In some embodiments, a condensate tank is provided on the first circulation pipeline between the heater and the steam generator.

[0012] In some embodiments, a water replenishment module is provided on the first circulation pipeline, and the water replenishment module is used to replenish water into the first circulation pipeline.

[0013] In some embodiments, the water replenishment module includes a water filtration device, a water replenishment tank, and a water replenishment pump connected in sequence, and the water replenishment pump is connected to the first circulation pipeline.

[0014] In some embodiments, there are multiple extended application modules, and the multiple extended application modules are connected in parallel on the first loop pipeline.

[0015] In some embodiments, the air inlet pipe is equipped with a helium pressurization pump.

[0016] The extended application module provided by the high-temperature gas-cooled reactor (HTGR) helium turbine power generation extension system in this invention expands the application of HTGRs beyond power generation and industrial heating to include hydrogen production, residential heating, seawater desalination, and many other fields, greatly enriching the application scenarios of HTGRs. HTGRs themselves are characterized by high efficiency and low carbon emissions; combined with the extended application module, this helps reduce dependence on fossil fuels and lower greenhouse gas emissions, meeting the requirements of sustainable development. Therefore, by adding the helium turbine power generation extension system, this invention not only improves the thermal energy utilization efficiency of HTGRs but also broadens their application scope, contributing to the further development and application of nuclear energy technology. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the high-temperature gas-cooled reactor helium turbine power generation extension system according to an embodiment of the present invention.

[0018] Figure label: 100. High-Temperature Gas-Cooled Reactor Helium Turbine Power Generation Extension System; 1. High-Temperature Gas-Cooled Reactor; 101. Helium Inlet; 102. Helium Outlet; 2. Inlet Pipe; 3. Outlet Pipe; 4. First Branch Pipe; 5. Second Branch Pipe; 6. Helium Turbine; 7. Superheater; 8. Steam Generator; 9. First Circulation Pipeline; 10. Feedwater Pump; 11. Extension Application Module; 12. Preheater; 13. Heater; 14. Deaerator; 15. Third Branch Pipe; 16. Drainage Tank; 17. Makeup Water Module; 1701. Water Filtration Device; 1702. Makeup Water Tank; 1703. Makeup Water Pump; 18. Helium Pressurization Pump. Detailed Implementation

[0019] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0020] like Figure 1 As shown, the high-temperature gas-cooled reactor helium turbine power generation extension system 100 of this embodiment includes a high-temperature gas-cooled reactor 1, an inlet pipe 2, an outlet pipe 3, and a first circulation pipeline 9. The high-temperature gas-cooled reactor 1 has a helium inlet 101 and a helium outlet 102. The inlet pipe 2 is connected to the helium inlet 101, and the outlet pipe 3 is connected to the helium outlet 102. A first branch pipe 4 and a second branch pipe 5 are connected in parallel between the inlet pipe 2 and the outlet pipe 3. A helium turbine 6 is installed on the first branch pipe 4, and a superheater 7 and a steam generator 8 are sequentially installed on the second branch pipe 5 along the helium flow direction.

[0021] The first circulation pipeline 9 is equipped with a water pump 10 and an extended application module 11. The first circulation pipeline 9 is connected to the superheater 7 and the steam generator 8. The water pump 10 is used to supply water to the first circulation pipeline 9. The water in the first circulation pipeline 9 exchanges heat with helium in the steam generator 8 to generate saturated steam. The saturated steam generated in the steam generator 8 exchanges heat with helium in the superheater 7 to form superheated steam. The superheated steam generated in the superheater 7 is delivered to the extended application module 11 for use.

[0022] Specifically, in use, the high-temperature gas-cooled reactor (HTGR) helium turbine power generation extension system 100 of this embodiment generates heat through nuclear reaction in the HTGR 1, which is used to heat the circulating helium. Helium flows out from the helium outlet 102 of the HTGR 1 and enters the outlet pipe 3. Part of the helium in the outlet pipe 3 flows through the first branch pipe 4 through the helium turbine 6 to generate electricity, and part of the helium flows through the second branch pipe 5 through the heater 7 and the steam generator 8. Finally, the helium flowing through the first branch pipe 4 and the second branch pipe 5 enters the helium inlet 101 through the inlet pipe 2 and returns to the HTGR 1 to be heated again.

[0023] The water pump 10 delivers water into the first circulation pipeline 9, where it exchanges heat with high-temperature helium gas in the steam generator 8 to produce saturated steam. The saturated steam further exchanges heat with helium gas in the superheater 7 to form superheated steam, which is then transported to the extended application module 11 to meet the needs of different application modules.

[0024] It should be noted that each system with superheated steam requirements can become an extended application module 11. Extended application modules 11 include, but are not limited to, applications such as industrial park applications, hydrogen production, residential heating, seawater desalination, petrochemical heavy oil thermal recovery, steel smelting, and pharmaceutical park applications. These modules can be used individually or in combination, provided that the steam flow rate, pressure, and temperature are met, to meet the industrial or civil needs of different scales and types.

[0025] The extended application module 11 provided by the high-temperature gas-cooled reactor (HTGR) helium turbine power generation extension system 100 in this embodiment of the invention enables the HTGR 1 to be applied not only to power generation and industrial heating, but also to hydrogen production, residential heating, seawater desalination, and other fields, greatly enriching the application scenarios of the HTGR 1. The HTGR 1 itself is characterized by high efficiency and low carbon emissions; combined with the extended application module 11, it helps reduce dependence on fossil fuels and lower greenhouse gas emissions, meeting the requirements of sustainable development. Therefore, by adding the helium turbine power generation extension system, this invention not only improves the thermal energy utilization efficiency of the HTGR 1 but also broadens its application scope, contributing to the further development and application of nuclear energy technology.

[0026] In some embodiments, the air inlet pipe 2 is provided with a preheater 12, and the first circulation pipe 9 is connected to the preheater 12. The water in the first circulation pipe 9 is preheated with helium in the preheater 12 and then transported to the steam generator 8.

[0027] The preheater 12 is positioned on the inlet pipe 2, downstream of the helium turbine 6 and the steam generator 8. Water in the first circulation line 9 is first pumped to the preheater 12, where it exchanges heat with the cooler helium gas exiting the helium turbine 6 and the steam generator 8. The water is heated in the preheater 12 before being fed into the steam generator 8. After releasing some heat in the preheater 12, the helium gas returns to the high-temperature gas-cooled reactor 1. The preheater 12 preheats the water before it enters the steam generator 8, allowing for more efficient heat exchange with the higher-temperature helium gas, producing saturated steam, and improving overall thermal efficiency.

[0028] By preheating the water in preheater 12, higher heat exchange efficiency can be achieved in steam generator 8 because the water already has a certain temperature when it enters steam generator 8, thus reducing the amount of heat that needs to be absorbed from helium in steam generator 8. The preheating process makes the entire system utilize thermal energy more efficiently, which helps to save energy and improve the economics of nuclear energy utilization.

[0029] In some embodiments, the air inlet pipe 2 is provided with a heater 13 located upstream of the preheater 12, and the first circulation pipe 9 is connected to the heater 13. The water preheated by the preheater 12 is heated by helium in the heater 13 and then transported to the steam generator 8.

[0030] Heater 13 is installed upstream of preheater 12, i.e., before preheater 12. Helium gas flows through heater 13 and then through preheater 12. Water in the first circulation line 9 is first pumped into preheater 12, where it exchanges heat with high-temperature helium gas and is preheated to a higher temperature. It then enters heater 13, exchanges heat with helium gas again, and is heated to an even higher temperature to generate saturated steam in steam generator 8. After releasing heat in heater 13 and preheater 12, the helium gas finally enters helium turbine 6 to expand and perform work.

[0031] Through staged heat exchange, the water is sufficiently preheated before entering the steam generator 8, which helps improve the heat exchange efficiency of the steam generator 8, thereby improving the overall system thermal efficiency. The combined use of heater 13 and preheater 12 allows for more efficient utilization of the helium's thermal energy, minimizing heat waste. The staged preheating strategy helps optimize the system's thermodynamic performance, enabling the system to maintain high efficiency under various operating conditions. Step-by-step heating allows for more precise control of the heat exchange process, improving the system's reliability and stability.

[0032] In some embodiments, a deaerator 14 is provided on the first circulation line 9 between the preheater 12 and the heater 13.

[0033] Before entering heater 13, the water first flows through deaerator 14. The main function of deaerator 14 is to remove dissolved oxygen and other gases that may cause corrosion from the water. In deaerator 14, the water is heated to its boiling point or near boiling point, causing dissolved oxygen and other gases to escape, which are then removed through a discharge or vacuum system. After deaeration, the dissolved oxygen content of the water is significantly reduced, thus reducing the likelihood of corrosion. The deaerated water then enters heater 13 for further heating and is finally sent to steam generator 8 to produce steam.

[0034] In some embodiments, a third branch pipe 15 is provided on the first circulation pipeline 9, and the two ends of the third branch pipe 15 are respectively connected to the steam generator 8 and the deaerator 14, so that the condensate generated in the steam generator 8 flows back to the deaerator 14.

[0035] When condensate is formed in steam generator 8, it flows back from steam generator 8 to deaerator 14 through third branch pipe 15. In deaerator 14, the condensate is heated to remove residual dissolved oxygen and other gases, and then re-enters preheater 12 and heater 13 to re-enter the heat exchange cycle.

[0036] By recovering condensate from steam generator 8, the system achieves water resource recycling and reduces water consumption. The condensate, already at a high temperature, reduces the heating energy required in preheater 12 and heater 13 after returning to deaerator 14. The recovered high-temperature condensate improves the overall system's thermal efficiency by reducing the heat input required for heat exchange. Deaerator 14 effectively removes dissolved oxygen from the condensate, reducing the corrosion risk of the entire water circulation system. Returning condensate to deaerator 14 helps maintain stable water chemistry throughout the system, ensuring safe operation.

[0037] In some embodiments, a condensate tank 16 is provided on the first circulation pipeline 9 between the heater 13 and the steam generator 8.

[0038] A condensate trap 16 is installed between the heater 13 and the steam generator 8, and is part of the first circulation line 9. Water heated in the heater 13 enters the condensate trap 16. Due to the increased temperature, non-condensable gases (such as air and carbon dioxide) in the water escape. These gases accumulate in the condensate trap 16 and are discharged from the system through its vent, preventing them from entering the steam generator 8. The water, now free of non-condensable gases, flows out from the bottom of the condensate trap 16 and enters the steam generator 8 to continue heat exchange and generate steam.

[0039] Removing non-condensable gases from the water prevents these gases from precipitating in the steam generator 8, thereby improving the quality of the generated steam and ensuring that the steam is free of harmful gases. The presence of non-condensable gases can lead to internal corrosion or scaling in the steam generator 8; the condensate trap 16 helps reduce these problems and protects the steam generator 8. Removing non-condensable gases also reduces their adverse effects in the steam generator 8, such as decreased heat transfer efficiency due to gas entrainment, thus improving heat exchange efficiency.

[0040] In some embodiments, a water replenishment module 17 is provided on the first circulation pipeline 9, and the water replenishment module 17 is used to replenish water into the first circulation pipeline 9.

[0041] The water replenishment module 17 ensures that the water level in the first circulation pipeline 9 is always maintained within a suitable range, preventing equipment damage or system shutdown due to low water levels. A stable water supply helps maintain stable system operating parameters and improves the overall system stability. By maintaining stable water levels and quality, equipment damage caused by insufficient water circulation or water quality problems can be reduced, thereby lowering maintenance costs. By precisely controlling the amount of water replenished, heat loss due to excessive or insufficient water replenishment can be reduced, improving energy utilization efficiency.

[0042] Optionally, the water replenishment module 17 includes a water filtration device 1701, a water replenishment tank 1702, and a water replenishment pump 1703 connected in sequence, with the water replenishment pump 1703 connected to the first circulation pipeline 9.

[0043] A water filtration device 1701 is located at the inlet of the water replenishment module 17 and is used to filter impurities in the replenishment water to ensure that the water entering the water replenishment tank 1702 is clean. The water replenishment tank 1702 is used to store the filtered water and as a buffer area for the water replenishment system to facilitate a stable water flow from the water replenishment pump 1703. The water replenishment pump 1703 is connected between the water replenishment tank 1702 and the first circulation pipeline 9 and is used to pump water from the water replenishment tank 1702 into the first circulation pipeline 9 to replenish water lost due to evaporation, leakage, or other reasons.

[0044] The water filtration device 1701 effectively removes suspended solids, particulate matter, and other impurities from the water, ensuring that the makeup water quality meets system requirements. The makeup water tank 1702 acts as a buffer zone, maintaining a stable water level during the operation of the makeup water pump 1703, preventing the pump from running dry or drawing in air. A stable makeup water supply helps maintain stable system operating parameters and reduces system instability caused by water level fluctuations. By keeping the water in the system clean, equipment wear and malfunctions caused by water quality issues can be reduced, thereby lowering maintenance costs.

[0045] In some embodiments, the extended application module 11 has multiple modules, and the multiple extended application modules 11 are connected in parallel on the first circulation pipeline 9.

[0046] Multiple extended application modules 11 are connected in parallel to the first circulation pipeline 9, and each module can independently receive and utilize the superheated steam generated in the first circulation pipeline 9. Each extended application module 11 typically has an independent control valve, which can adjust the steam flow and pressure according to its own needs. The parallel arrangement of multiple extended application modules 11 allows the system to simultaneously provide services for different needs, such as residential heating and industrial production. The system can adjust the operating status of each extended application module 11 according to actual needs, adapting to different loads and operating conditions. By operating multiple extended application modules 11 in parallel, the thermal energy generated by nuclear power can be utilized more effectively, reducing waste. The system controller can optimize steam distribution according to the needs and operating status of each extended application module 11, improving overall operating efficiency.

[0047] Optionally, when an expansion application module 11 needs to be added, one module can be added directly without affecting the use of other application modules. When a certain expansion application module 11 is not in use, the module can be isolated or removed without affecting the use of other application modules. In the most special case, when no expansion application module 11 is connected, all the helium gas discharged from the high-temperature gas-cooled reactor 1 is used to power the helium turbine 6 for power generation.

[0048] In some embodiments, the air inlet pipe 2 is provided with a helium pressurization pump 18.

[0049] A helium pressurization pump 18 is installed on the inlet pipe 2 to increase the pressure and flow dynamics of the helium gas. Before flowing through the high-temperature gas-cooled reactor 1, the helium gas first passes through the helium pressurization pump 18 to reach the required pressure level before entering the reactor core. The pressurized helium gas absorbs the heat generated by the nuclear reaction in the high-temperature gas-cooled reactor 1, and then flows to the helium turbine 6 to expand and do work. After completing its work in the turbine, the helium gas returns to a low-temperature, low-pressure state, and is then pressurized again by the helium pressurization pump 18 to enter the next cycle.

[0050] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0051] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0052] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0053] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0054] In this invention, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0055] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A high-temperature gas-cooled reactor helium turbine power generation extension system, characterized in that, include: A high-temperature gas-cooled reactor (1) has a helium inlet (101) and a helium outlet (102). An inlet pipe (2) and an outlet pipe (3) are provided. The inlet pipe (2) is connected to the helium inlet (101), and the outlet pipe (3) is connected to the helium outlet (102). A first branch pipe (4) and a second branch pipe (5) are connected in parallel between the inlet pipe (2) and the outlet pipe (3). A helium turbine (6) is provided on the first branch pipe (4), and a superheater (7) and a steam generator (8) are provided on the second branch pipe (5) in sequence along the direction of helium flow. The first circulation pipeline (9) is equipped with a water pump (10) and an extended application module (11). The first circulation pipeline (9) is connected to the superheater (7) and the steam generator (8). The water pump (10) is used to supply water to the first circulation pipeline (9). The water in the first circulation pipeline (9) exchanges heat with helium in the steam generator (8) and generates saturated steam. The saturated steam generated in the steam generator (8) exchanges heat with helium in the superheater (7) to form superheated steam. The superheated steam generated in the superheater (7) is transported to the extended application module (11) for use.

2. The high-temperature gas-cooled reactor helium turbine power generation extension system according to claim 1, characterized in that, The air inlet pipe (2) is equipped with a preheater (12), and the first circulation pipe (9) is connected to the preheater (12). The water in the first circulation pipe (9) is preheated with helium in the preheater (12) and then transported to the steam generator (8).

3. The high-temperature gas-cooled reactor helium turbine power generation extension system according to claim 2, characterized in that, The air inlet pipe (2) is provided with a heater (13) located upstream of the preheater (12). The first circulation pipe (9) is connected to the heater (13). The water preheated by the preheater (12) is heated by helium in the heater (13) and then transported to the steam generator (8).

4. The high-temperature gas-cooled reactor helium turbine power generation extension system according to claim 3, characterized in that, The first circulation pipeline (9) is provided with a deaerator (14) located between the preheater (12) and the heater (13).

5. The high-temperature gas-cooled reactor helium turbine power generation extension system according to claim 4, characterized in that, The first circulation pipeline (9) is provided with a third branch pipe (15), and the two ends of the third branch pipe (15) are respectively connected to the steam generator (8) and the deaerator (14) so ​​that the condensate generated in the steam generator (8) flows back to the deaerator (14).

6. The high-temperature gas-cooled reactor helium turbine power generation extension system according to claim 3, characterized in that, The first circulation pipeline (9) is provided with a condensate tank (16) located between the heater (13) and the steam generator (8).

7. The high-temperature gas-cooled reactor helium turbine power generation extension system according to claim 1, characterized in that, The first circulation pipeline (9) is provided with a water replenishment module (17), which is used to replenish water into the first circulation pipeline (9).

8. The high-temperature gas-cooled reactor helium turbine power generation extension system according to claim 7, characterized in that, The water replenishment module (17) includes a water filtration device (1701), a water replenishment tank (1702), and a water replenishment pump (1703) connected in sequence. The water replenishment pump (1703) is connected to the first circulation pipeline (9).

9. The high-temperature gas-cooled reactor helium turbine power generation extension system according to claim 1, characterized in that, The extended application module (11) has multiple modules, and the multiple extended application modules (11) are connected in parallel on the first circulation pipeline (9).

10. The high-temperature gas-cooled reactor helium turbine power generation extension system according to claim 1, characterized in that, The air inlet pipe (2) is equipped with a helium pressurization pump (18).

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