CN109139400B - Solar-thermal complementary combined cycle system based on changing the integrated mode of irradiance - Google Patents

Abstract

The invention discloses a solar heat complementation combined cycle system for changing an integration mode based on irradiation change, which comprises: the first regulating valve, the second regulating valve, the third regulating valve, the fourth regulating valve, the oil-water heat exchanger, the expansion tank, the oil pump and the groove type condenser field form a groove type solar subsystem; the solar heat complementary combined cycle system changes the integration mode based on the irradiation change, and changes the integration position of solar heat from a high-pressure evaporator of a waste heat boiler to a second-stage high-pressure economizer at the moment that the direct solar radiation intensity is lower; the solar heat complementary combined cycle system not only can realize the maximum utilization of solar heat and prolong the service life of the solar heat, but also can further improve the photoelectric efficiency and the acting output of a power plant.

Description

Solar-thermal complementary combined cycle system based on changing the integrated mode of irradiance

technical field

The present invention relates to the technical field of combined power generation, in particular to a solar thermal complementary combined cycle system that changes the integration mode based on irradiation changes.

Background technique

For a long time, fossil energy utilization occupies a major part in the world energy utilization structure. However, with the emergence of excessive consumption of fossil energy and increasingly prominent environmental pollution, solar energy, as the renewable energy with the largest reserves, its large-scale and efficient utilization has become an inevitable requirement for adjusting the world's energy utilization structure and sustainable development. The solar thermal complementary combined cycle system is to introduce solar energy into an efficient combined cycle system, thereby improving the photoelectric conversion efficiency of solar energy, saving costs, and reducing fossil energy consumption.

The traditional solar thermal complementary combined cycle system uses heat transfer oil or molten salt as the heat exchange working medium of its trough solar subsystem, which is integrated into the high pressure evaporator of the waste heat boiler, while the solar collector field is in the low direct solar radiation intensity (Directnormal Irradiance). , DNI), the collected solar energy is not enough to make the outlet temperature of the heat transfer fluid reach the temperature specified by the system, so the lower value of the direct solar radiation intensity cannot be effectively utilized.

Therefore, the present invention proposes a solar thermal complementary combined cycle system that changes the integration mode based on the irradiation change, so as to solve the problems in the prior art.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a solar thermal complementary combined cycle system that changes the integration mode based on the change of irradiation. When the direct solar radiation intensity is low, the integrated position of the solar thermal energy is changed from the high pressure evaporator of the waste heat boiler to the second Class high pressure economizer.

The invention discloses a solar-thermal complementary combined cycle system that changes an integration mode based on irradiation changes. The solar-thermal complementary combined cycle system includes: a trough solar energy subsystem and a gas turbine subsystem, the trough solar energy subsystem and the gas turbine Subsystems are combined through pipelines and valves;

The gas turbine subsystem includes: a gas turbine compressor (1), a gas turbine turbine (2), a gas turbine combustion chamber (3), a steam turbine high pressure cylinder (4), a steam turbine intermediate pressure cylinder (5), and a steam turbine low pressure cylinder (6) , condenser (7), low pressure feed pump (8), medium pressure feed pump (9), high pressure feed pump (10), low pressure economizer (11), low pressure evaporator (12), first-stage high pressure economizer (13), medium pressure economizer (14), medium pressure evaporator (15), low pressure superheater (16), second-stage high pressure economizer (17), medium pressure superheater (18), high pressure evaporator (19), reheater (20), high pressure superheater (21), low pressure steam drum (22), medium pressure steam drum (23), high pressure steam drum (24), valve first generator (30), The second generator (31) and the third-pressure reheat waste heat boiler (35); the gas turbine compressor (1) is connected to the gas turbine turbine (2) through the gas turbine combustion chamber (3); the gas turbine compressor (1), The gas turbine (2) and the second generator (31) are coaxially connected; the outlet of the gas turbine (2) is connected to the inlet of the three-pressure reheat waste heat boiler (35); the three-pressure reheat waste heat boiler (35) ) is connected to the atmosphere; the outlet of the low-pressure cylinder (6) of the steam turbine passes through the condenser (7), the low-pressure feed pump (8), the low-pressure economizer (11), the low-pressure steam drum (22), and the low-pressure evaporator (12) in turn. and the low-pressure superheater (16) is connected to the inlet of the low-pressure cylinder (6) of the steam turbine; one of the outlets of the low-pressure economizer (11) passes through the high-pressure feed water pump (10), the first-stage high-pressure economizer (13), The second-stage high-pressure economizer (17), high-pressure steam drum (24), high-pressure evaporator (19) and high-pressure superheater (21) are connected to the inlet of the high-pressure cylinder (4) of the steam turbine; The other way in the outlet passes through the medium pressure feed water pump (9), the medium pressure economizer (14), the medium pressure steam drum (23), the medium pressure evaporator (15), the medium pressure superheater (18) and the reheater The inlet of (20) is connected; and the outlet of the steam turbine high pressure cylinder (4) is connected with the inlet of the reheater (20); the outlet of the reheater (20) is connected with the inlet of the steam turbine middle pressure cylinder (5); the steam turbine middle pressure The outlet of the cylinder (5) is connected with the inlet of the steam turbine low pressure cylinder (6); the steam turbine high pressure cylinder (4), the steam turbine medium pressure cylinder (5), the steam turbine low pressure cylinder (6) and the first generator (30) are coaxially connected;

The trough solar subsystem includes: a first regulating valve (25), a second regulating valve (26), a third regulating valve (27), a fourth regulating valve (28), an expansion tank (29), an oil-water heat exchanger ( 32), oil pump (33) and trough condenser field (34); the outlet of the first regulating valve (25) and the outlet of the second regulating valve (26) are respectively connected to the inlet of the oil-water heat exchanger (32) through pipes; The inlet of the third regulating valve (27) and the inlet of the fourth regulating valve (28) are connected to the outlet of the oil-water heat exchanger (32) through pipes; the heat exchange working medium in the expansion tank (29) enters the tank type through the oil pump (33). The condenser lens field (34) is heated, and then enters the oil-water heat exchanger (32) for heat exchange, and the exchanged heat exchange working medium finally enters the expansion tank (29).

Preferably, the connection between the trough solar subsystem and the gas turbine subsystem through pipelines and valves is as follows: the first outlet of the high-pressure feed pump (10) passes through the first-stage high-pressure economizer in sequence. (13), the first regulating valve (25), the oil-water heat exchanger (32) and the third regulating valve (27) are connected to the inlet of the high-pressure steam drum (24); the outlet of the high-pressure feed pump (10) The second path passes through the first-stage high-pressure economizer (13), the second-stage high-pressure economizer (17), the second regulating valve (26), the oil-water heat exchanger (32) and the fourth regulating valve ( 28) is connected to the inlet of the high pressure superheater (21).

Preferably, the trough solar subsystem enters into the The feed water flow of the oil-water heat exchanger (32).

Preferably, the trough solar subsystem uses heat-conducting oil as a heat-exchanging working medium.

Preferably, when the solar thermal complementary combined cycle system works at low direct solar radiation intensity, the first regulating valve (25) and the third regulating valve (27) are opened, and the second regulating valve (26) is closed. and the fourth regulating valve (28), the feedwater at the outlet of the first-stage high-pressure economizer (13) is divided into two lines, and in one line, the feedwater at the outlet of the first-stage high-pressure economizer (13) enters the first-stage high-pressure economizer (13). Two-stage high-pressure economizer (17); in another line, the outlet feed water of the first-stage high-pressure economizer (13) flows through the oil-water heat exchanger (32) through the first regulating valve (25) for absorption The heat of sunlight collected by the heat transfer oil in the trough condenser field (34), when the temperature of the outlet feedwater of the first-stage high-pressure economizer (13) is the same as the temperature of the outlet feedwater of the second-stage high-pressure economizer (17). At the same time, the outlet feedwater of the first-stage high-pressure economizer (13) is mixed with the outlet feedwater of the second-stage high-pressure economizer (17) into the high-pressure evaporator (19).

Preferably, when the solar thermal complementary combined cycle system works under high direct solar radiation intensity, the second regulating valve (26) and the fourth regulating valve (28) are opened, and the first regulating valve (25) is closed and the third regulating valve (27), the feedwater at the outlet of the second-stage high-pressure economizer (17) is divided into two lines, and in one line, the feedwater at the outlet of the second-stage high-pressure economizer (17) enters the high-pressure Evaporator (19); in another line, the outlet feed water of the second-stage high-pressure economizer (17) flows through the oil-water heat exchanger (32) through the second regulating valve (26) to absorb the heat transfer oil The solar heat collected in the trough condenser field (34), when the temperature of the feed water at the outlet of the second-stage high-pressure economizer (17) is the same as that of the steam at the outlet of the high-pressure evaporator (19), the second-stage high-pressure economizer (17) The outlet feed water is mixed with the outlet steam of the high pressure evaporator (19) and enters the high pressure superheater (21) for superheating.

The solar-thermal complementary combined cycle system based on changing the integration mode based on the irradiation change disclosed by the present invention proposes a solar-thermal complementary combined cycle system based on the irradiation change changing the integrated mode, aiming at the current situation of the traditional solar thermal complementary combined cycle system with insufficient thermodynamic advantages and economic advantages. Circulation system, according to the change of solar radiation, the integrated position of solar heat in the waste heat boiler is changed through the added valve control, and at the moment when the direct solar radiation intensity is low, the integrated position of solar heat is changed from the high pressure evaporator of the waste heat boiler to the second one. Class high pressure economizer. It can not only realize the maximum utilization of solar heat and increase the use time of solar energy, but also further improve the photoelectric efficiency and work output of the power plant. Compared with traditional integration methods, it has significant thermodynamic and economic advantages.

Description of drawings

Figure 1 is a schematic diagram of a solar thermal complementary combined cycle system based on changing the integration mode based on irradiance changes.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. Throughout the drawings, the same or similar reference numbers refer to the same or similar elements or elements having the same or similar functions. The described implementation cases are part of the implementation cases of the present invention, but not all of the implementation cases. The implementation cases described below with reference to the accompanying drawings are exemplary, and are intended to be used to explain the present invention, but should not be construed as a limitation of the present invention. Based on the implementation cases in the present invention, all other implementation cases obtained by persons of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in Figure 1, the gas turbine compressor 1 is connected to the gas turbine turbine 2 through the gas turbine combustion chamber 3; the gas turbine compressor 1, the gas turbine turbine 2, and the second generator 31 are coaxially connected; the gas turbine turbine The outlet of 2 is connected with the inlet of the three-pressure reheat waste heat boiler 35; the outlet of the low-pressure cylinder 6 of the steam turbine passes through the condenser 7, the low-pressure feed pump 8, the low-pressure economizer 11, the low-pressure steam drum 22, the low-pressure evaporator 12, and the low-pressure superheater. 16 is connected to the inlet of the low-pressure cylinder 6 of the steam turbine; the outlet of the low-pressure economizer 11 passes through the high-pressure feed water pump 10, the first-stage high-pressure economizer 13, the second-stage high-pressure economizer 17, the high-pressure steam drum 24, and the high-pressure evaporator 19 , The high pressure superheater 21 is connected to the inlet of the high pressure cylinder 4 of the steam turbine; the outlet of the high pressure feed pump 10 is connected to the first stage high pressure economizer 13, the first regulating valve 25, the oil-water heat exchanger 32, and the third regulating valve 27. The inlet of the high-pressure steam drum 24 is connected; the outlet of the high-pressure feed pump 10 passes through the first-stage high-pressure economizer 13, the second-stage high-pressure economizer 17, the second regulating valve 26, the oil-water heat exchanger 32, and the fourth regulating valve. The valve 28 is connected to the inlet of the high pressure superheater 21; the outlet of the low pressure economizer 11 is connected to the medium pressure feed pump 9, the medium pressure economizer 14, the medium pressure steam drum 23, the medium pressure evaporator 15, and the medium pressure superheater 18. The inlet of the reheater 20 is connected; the outlet of the steam turbine high pressure cylinder 4 is connected with the inlet of the reheater 20; the outlet of the reheater 20 is connected with the inlet of the steam turbine middle pressure cylinder 5; the outlet of the steam turbine middle pressure cylinder 5 is connected with the steam turbine low pressure cylinder The inlet of 6 is connected; the steam turbine high pressure cylinder 4, the steam turbine medium pressure cylinder 5, the steam turbine low pressure cylinder 6, and the first generator 30 are coaxially connected.

Among them, the first regulating valve 25, the second regulating valve 26, the third regulating valve 27, the fourth regulating valve 28, the oil-water heat exchanger 32, the expansion tank 29, the oil pump 33, and the trough type condenser field 34 constitute the trough solar energy Subsystem; The trough solar subsystem uses heat transfer oil as the heat exchange working medium; by controlling the opening and closing of the first regulating valve 25, the second regulating valve 26, the third regulating valve 27 and the fourth regulating valve 28, the incoming oil- The feed water flow of the water heat exchanger 32 .

The present invention adopts PG9351FA type gas turbine; the air is compressed in the gas turbine compressor 1 and discharged into the gas turbine combustion chamber 3 for mixed combustion with fuel; the generated high temperature and high pressure flue gas flows into the gas turbine turbine 2 to do work, and then is discharged into the three-pressure reheating The waste heat boiler 35 reuses the waste heat of the flue gas.

The exhausted steam from the low-pressure cylinder 6 of the steam turbine is condensed by the condenser 7 and initially boosted by the low-pressure feed pump 8, and then discharged into the three-pressure reheat waste heat boiler 35. The feed water flows through the low-pressure economizer 11 and then splits: The package 22, the low-pressure evaporator 12 and the low-pressure superheater 16 are transformed from supercooled water into superheated steam, and mixed with the exhaust steam of the steam turbine middle-pressure cylinder 5 into the steam turbine low-pressure cylinder 6 to do work; another feed water is boosted by the middle-pressure feedwater pump 9 After passing through the medium pressure economizer 14, the medium pressure steam drum 23, the medium pressure evaporator 15, and the medium pressure superheater 18, the superheated water is converted into superheated steam and mixed with the exhaust steam from the high pressure cylinder 4 of the steam turbine, and then enters the reheater 20 is reheated, and the reheated steam flows through the middle pressure cylinder 5 of the steam turbine to do work; after the last feed water is boosted by the high pressure feed water pump 10, it flows through the first-stage high-pressure economizer 13, the second-stage high-pressure economizer 17, and the high-pressure The steam drum 24 , the high-pressure evaporator 19 and the high-pressure superheater 21 change from the subcooled state to the superheated state, and flow through the high-pressure cylinder 4 of the steam turbine to do work.

The steam turbine low pressure cylinder 6 is connected to the first generator 30 through a shaft to convert mechanical energy into electrical energy; the gas turbine compressor 1 is connected to a second generator 31 through a shaft to convert mechanical energy into electrical energy.

When the solar thermal complementary combined cycle system that changes the integrated mode based on the change of irradiation works at low direct solar radiation intensity, the first regulating valve 25 and the third regulating valve 27 are opened, and the second regulating valve 26 and the fourth regulating valve 28 are closed, The feed water at the outlet of the first-stage high-pressure economizer 13 is divided into two parts, one flows into the second-stage high-pressure economizer 17; the other flows through the oil-water heat exchanger through the first regulating valve 25 to absorb heat transfer oil. The solar heat collected by the trough condenser field 34 reaches the same temperature as the outlet feedwater of the second-stage high-pressure economizer 17 , and then enters the high-pressure evaporator 19 after mixing with the outlet feedwater of the second-stage high-pressure economizer 17 .

When the solar thermal complementary combined cycle system that changes the integrated mode based on the change of irradiation works at high direct solar radiation intensity, the second regulating valve 26 and the fourth regulating valve 28 are opened, and the first regulating valve 25 and the third regulating valve 27 are closed, The feed water at the outlet of the second-stage high-pressure economizer 17 is divided into two parts, one flows into the high-pressure evaporator 19; After the solar heat collected by 34 reaches the same temperature as the steam at the outlet of the high-pressure evaporator 19, it is mixed with the steam at the outlet of the high-pressure evaporator 19 and then enters the high-pressure superheater 21 for superheating.

The trough-type concentrating heat collectors in the trough-type concentrating heat-collecting mirror field are arranged in the east-west direction, the fuel is natural gas from the West-East Gas Pipeline, and the weather data is the data of a typical year in Dunhuang; Table 1 lists the basic data of thermodynamic analysis. 2 lists the basic data of economic analysis.

Table 1 Basic data of thermodynamic analysis

Table 2 Basic data of economic analysis

Table 3 lists the thermodynamic results analysis of the solar thermal complementary combined cycle system, the reference system and the traditional solar thermal complementary combined cycle system based on the change of irradiance changing the integration mode. Table 4 lists the economic results analysis of the solar thermal complementary combined cycle system and the traditional solar thermal complementary combined cycle system based on the change of irradiance changing the integration mode.

Table 3 Analysis of system thermal performance results

Table 4 Analysis of System Economic Results

效率提高了1.1％，总发电量高1002.968MW·h。It can be seen from Table 3 that compared with the traditional solar thermal complementary combined cycle system, the solar thermal complementary combined cycle system that changes the integration mode based on the change of irradiation has improved all parameters. Among them, the net efficiency of solar photoelectric conversion increased by 1.1%, and the solar photoelectric conversion

The efficiency is increased by 1.1%, and the total power generation is 1002.968MW·h higher.

It can be seen from Table 4 that the power generation cost of the traditional solar thermal complementary combined cycle system is 1.61 ￥/kW h, while the power generation cost of the solar thermal complementary combined cycle system based on the change of irradiation changes is 1.542 ￥/kW h. Compared with the traditional solar thermal complementary combined cycle system, the power generation cost of the solar thermal complementary combined cycle system with the change of the integrated mode is reduced by 0.07￥/kW·h.

The invention proposes a solar-thermal complementary combined cycle system based on changing the integration mode based on irradiation changes, which has significant thermodynamic integration advantages and economical advantages.

Finally, it should be pointed out that the above implementation cases are only used to illustrate the technical solutions of the present invention, but not to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it is still possible to modify the technical solutions recorded in the foregoing embodiments, or to perform equivalent replacements for some of the technical features; and these Modifications or substitutions do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (3)

1. Solar thermal complementary combined cycle system for changing integration mode based on irradiation change, characterized in that the solar thermal complementary combined cycle system comprises: the system comprises a groove type solar subsystem and a gas turbine subsystem, wherein the groove type solar subsystem and the gas turbine subsystem are combined through a pipeline and a valve;

the gas turbine subsystem includes: the system comprises a gas turbine compressor (1), a gas turbine (2), a gas turbine combustion chamber (3), a steam turbine high-pressure cylinder (4), a steam turbine intermediate-pressure cylinder (5), a steam turbine low-pressure cylinder (6), a condenser (7), a low-pressure water feed pump (8), an intermediate-pressure water feed pump (9), a high-pressure water feed pump (10), a low-pressure economizer (11), a low-pressure evaporator (12), a first-stage high-pressure economizer (13), an intermediate-pressure economizer (14), an intermediate-pressure evaporator (15), a low-pressure superheater (16), a second-stage high-pressure economizer (17), an intermediate-pressure superheater (18), a high-pressure evaporator (19), a reheater (20), a high-pressure superheater (21), a low-pressure steam pocket (22), an intermediate-pressure steam pocket (23), a high-pressure steam pocket (24), a first generator (30), a second generator (31); the gas compressor (1) of the gas turbine is connected with the gas turbine (2) of the gas turbine through a combustion chamber (3) of the gas turbine; the gas turbine compressor (1), the gas turbine (2) and the second generator (31) are coaxially connected; the outlet of the combustion engine turbine (2) is connected with the inlet of a three-pressure reheating waste heat boiler (35); the outlet of the three-pressure reheating waste heat boiler (35) is connected with the atmosphere; an outlet of the steam turbine low-pressure cylinder (6) is connected with an inlet of the steam turbine low-pressure cylinder (6) sequentially through a condenser (7), a low-pressure water feed pump (8), a low-pressure economizer (11), a low-pressure steam drum (22), a low-pressure evaporator (12) and a low-pressure superheater (16); the other path of the outlet of the low-pressure economizer (11) is connected with the inlet of a reheater (20) through a medium-pressure water feed pump (9), a medium-pressure economizer (14), a medium-pressure steam drum (23), a medium-pressure evaporator (15) and a medium-pressure superheater (18); and the outlet of the turbine high-pressure cylinder (4) is connected with the inlet of the reheater (20); the outlet of the reheater (20) is connected with the inlet of the turbine intermediate pressure cylinder (5); the outlet of the turbine intermediate pressure cylinder (5) is connected with the inlet of the turbine low pressure cylinder (6); the steam turbine high pressure cylinder (4), the steam turbine intermediate pressure cylinder (5), the steam turbine low pressure cylinder (6) and the first generator (30) are coaxially connected; one path of the outlet of the low-pressure economizer (11) is connected with the inlet of the high-pressure cylinder (4) of the steam turbine sequentially through a high-pressure water feeding pump (10), a first-stage high-pressure economizer (13), a second-stage high-pressure economizer (17), a high-pressure steam pocket (24), a high-pressure evaporator (19) and a high-pressure superheater (21);

the trough solar subsystem includes: the device comprises a first adjusting valve (25), a second adjusting valve (26), a third adjusting valve (27), a fourth adjusting valve (28), an expansion tank (29), an oil-water heat exchanger (32), an oil pump (33) and a groove type condenser field (34); the outlet of the first regulating valve (25) and the outlet of the second regulating valve (26) are respectively connected with the inlet of the oil-water heat exchanger (32) through pipelines; the inlet of the third regulating valve (27) and the inlet of the fourth regulating valve (28) are connected with the outlet of the oil-water heat exchanger (32) through pipelines; the heat exchange working medium in the expansion tank (29) enters the groove type condenser field (34) through the oil pump (33) for heating, then enters the oil-water heat exchanger (32) for heat exchange, and finally enters the expansion tank (29);

the feed water at the outlet of the first-stage high-pressure economizer (13) is controlled by opening the first regulating valve (25) and the third regulating valve (27) and closing the second regulating valve (26) and the fourth regulating valve (28), and the feed water at the outlet of the first-stage high-pressure economizer (13) enters the second-stage high-pressure economizer (17) in one line; in the other line, the water supply at the outlet of the first-stage high-pressure economizer (13) is connected with the inlet of the high-pressure steam drum (24) through a first regulating valve (25), an oil-water heat exchanger (32) and a third regulating valve (27), and the heat collection temperature of a heat exchange working medium in a groove type condenser field (34) is changed; the feed water at the outlet of the second-stage high-pressure economizer (17) is controlled by opening the second regulating valve (26) and the fourth regulating valve (28) and closing the first regulating valve (25) and the third regulating valve (27), and the feed water at the outlet of the second-stage high-pressure economizer (17) enters the high-pressure evaporator (19) in a line; in the other line, the water supply at the outlet of the second-stage high-pressure economizer (17) is connected with the inlet of the high-pressure superheater (21) through a second regulating valve (26), an oil-water heat exchanger (32) and a fourth regulating valve (28), and the heat collection temperature of a heat exchange working medium in a groove type condenser field (34) is changed;

the trough type solar subsystem controls the integration position of the water supply flow entering the oil-water heat exchanger (32) and solar energy through the opening and closing of the first regulating valve (25), the second regulating valve (26), the third regulating valve (27) and the fourth regulating valve (28), and changes the heat collection temperature of a heat exchange working medium in the trough type condenser field (34);

the groove type solar subsystem takes heat conduction oil as a heat exchange working medium.

2. A solar thermal complementary combined cycle system with integrated mode change based on irradiance change according to claim 1, wherein: when the solar heat complementation combined cycle system works at low direct solar radiation intensity, the first regulating valve (25) and the third regulating valve (27) are opened, the second regulating valve (26) and the fourth regulating valve (28) are closed, the integration position of solar energy is integrated into the second-stage high-pressure economizer (17), and the heat collection temperature of a heat exchange working medium in the groove type condenser field (34) is adjusted.

3. A solar thermal complementary combined cycle system with integrated mode change based on irradiance change according to claim 1, wherein: when the solar heat complementation combined cycle system works at high direct solar radiation intensity, the second regulating valve (26) and the fourth regulating valve (28) are opened, the first regulating valve (25) and the third regulating valve (27) are closed, the integration position of solar energy is integrated to the high-pressure evaporator (19), and the heat collection temperature of a heat exchange working medium in the groove type condenser field (34) is adjusted.

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