CN113339086A - Air cooling and humidifying device and method and wet air turbine circulating system - Google Patents
Air cooling and humidifying device and method and wet air turbine circulating system Download PDFInfo
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- CN113339086A CN113339086A CN202110774335.9A CN202110774335A CN113339086A CN 113339086 A CN113339086 A CN 113339086A CN 202110774335 A CN202110774335 A CN 202110774335A CN 113339086 A CN113339086 A CN 113339086A
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- 238000001816 cooling Methods 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 239000003595 mist Substances 0.000 claims abstract description 9
- 238000009423 ventilation Methods 0.000 claims abstract 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 57
- 238000002485 combustion reaction Methods 0.000 claims description 14
- 229920006395 saturated elastomer Polymers 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000011552 falling film Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- YNBADRVTZLEFNH-UHFFFAOYSA-N methyl nicotinate Chemical compound COC(=O)C1=CC=CN=C1 YNBADRVTZLEFNH-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/12—Cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/54—Free-cooling systems
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Abstract
本发明涉及一种空气冷却加湿装置、方法及湿空气透平循环系统，属于湿空气透平循环技术领域，该装置包括壳体；壳体的侧壁上设有进气口；在壳体内设有N根通气管；N根通气管水平设置；N根通气管的左端口通过第一管板连接在一起，右端口通过第二管板连接在一起,通气管的上方设有布液器，布液器的上方设有除雾器；第一管束板与壳体内壁相对接之间形成第一区域，第二管束板与壳体之间相对接形成第二区域，进气口设置在第一区域的外壁面上，气体从所述进气口进入壳体内以S形路径在第一区域、通气管以及第二区域之间流动从第二区域或第一区域的底部流出，且顺着第一区域和第二区域之间向上流动。该装置解决了现有HAT循环系统换热过程过于复杂的问题。
The invention relates to an air cooling and humidifying device, a method and a wet air turbine circulation system, belonging to the technical field of wet air turbine circulation. The device comprises a casing; a side wall of the casing is provided with an air inlet; There are N ventilation pipes; N ventilation pipes are arranged horizontally; the left ports of the N ventilation pipes are connected together through the first tube sheet, the right ports are connected together through the second tube sheet, and a liquid distributor is arranged above the ventilation pipes. A mist eliminator is arranged above the liquid distributor; a first area is formed between the first tube bundle plate and the inner wall of the casing, the second area is formed by the connection between the second tube bundle plate and the casing, and the air inlet is arranged on the second area. On the outer wall of a region, the gas enters the housing from the air inlet and flows between the first region, the vent pipe and the second region in an S-shaped path, flows out from the second region or the bottom of the first region, and flows along the S-shaped path. There is upward flow between the first region and the second region. The device solves the problem that the heat exchange process of the existing HAT cycle system is too complicated.
Description
Technical Field
The invention belongs to the technical field of wet air turbine circulation, and particularly relates to an air cooling and humidifying device and method and a wet air turbine circulation system.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Wet air turbine (HAT) cycles, which comprise a complex heat exchange network in which an air cooling humidifier is the sole component thereof and is one of the key processes that are distinguished from simple or regenerative gas turbine cycles, are one of the important development directions of future gas turbine cycles. The heat capacity and the volume of the air humidifier are far higher than those of the gas compressor, the turbine and the combustion chamber, so that the heat capacity and the volume of the air humidifier are large, the heat capacity and the volume of the air humidifier are higher than those of the gas compressor, the turbine and the combustion chamber, the heat capacity and the volume of the air humidifier become key factors influencing the circulating operation flexibility of the humidified gas turbine, the surge risk of the gas compressor is increased, the compact design of the air cooling humidifier brings high pressure loss, the circulating heat efficiency is further negatively influenced, meanwhile, a closed-loop water loop needs to be established for realizing the air cooling humidification process, and therefore the intercooler, the aftercooler, the economizer, the heat regenerator and other heat exchange units and the fluid conveying device are introduced, so that the circulating system is complex in flow, large in occupied area and large in operation and adjustment difficulty, and the problems are more prominent along with the increase of the power level of a group.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides an air cooling and humidifying device and method and a wet air turbine circulating system.
The embodiment of the invention provides an air cooling and humidifying device, which comprises a shell; an air inlet is arranged on the side wall of the shell; n vent pipes are arranged in the shell; n breather pipes are horizontally arranged; the left ports of the N breather pipes are connected together through a first pipe plate, the right ports of the N breather pipes are connected together through a second pipe plate, a liquid distributor is arranged above the breather pipes, and a demister is arranged above the liquid distributor; the first tube bundle plate is butted with the inner wall of the shell to form a first area, the second tube bundle plate is butted with the shell to form a second area, the air inlet is arranged on the outer wall surface of the first area, and air enters the shell from the air inlet to flow among the first area, the air vent pipe and the second area in an S-shaped path, flows out from the second area or the bottom of the first area and flows upwards along the space between the first area and the second area.
Further, top plates are arranged on the tops of the first area and the second area.
Furthermore, a plurality of first horizontal plates are arranged in the first area at intervals in the height direction, the first horizontal plates are respectively connected with the inner wall of the shell and the first tube plate in a sealing mode, a plurality of second horizontal plates are also arranged in the second area in the height direction, the second horizontal plates are respectively connected with the inner wall of the shell and the second tube plate in a sealing mode, and the first horizontal plates and the second horizontal plates are not at the same height.
Further, the N vent pipes are divided into M rows, and the number of the rows of the vent pipes between the first horizontal plate and the second horizontal plate is the same.
Furthermore, the two sides of the first tube plate and the second tube plate are connected through partition plates, a third area is formed among the first tube plate, the second tube plate and the partition plates, and the vent pipe is arranged in the third area.
Further, the shell is cylindrical, and the first tube plate, the second tube plate and the partition plate form a rectangular shell.
Furthermore, the bottom of the shell is provided with a water replenishing port and a water outlet, and the top of the shell is provided with an air outlet.
The embodiment of the invention also provides a use method of the air cooling and humidifying device based on any one of the above, which comprises the following steps:
the high-temperature gas enters a first area in the shell from a gas inlet on the shell, then flows in an S-shaped route among the first area, the vent pipe and the second area, and finally flows out from the second area or the bottom of the first area to realize a gas cooling process;
the cooled gas flows upwards along the space between the first area and the second area, the liquid distributor sprays water to realize the humidification process, and when the gas is humidified to the saturated humidity, the gas is discharged from the gas outlet on the shell after redundant water mist is removed by the demister.
Embodiments of the present invention also provide a wet air turbine cycle system including an air cooling device as described in any one of the preceding claims.
Further, the system also comprises a compressor, a water pump, an economizer, a heat regenerator, a combustion chamber and a turbine; the exhaust port of the compressor is communicated with the air inlet of the cooling device, the air outlet of the cooling device is communicated with the first air inlet of the heat regenerator, the first air outlet of the heat regenerator is connected with the air inlet of the combustion chamber, the air outlet of the combustion chamber is connected with the air inlet of the turbine, the air outlet of the turbine is connected with the second air inlet of the heat regenerator, and the second air outlet of the heat regenerator is connected with the economizer; and a water outlet at the bottom of the shell of the cooling device is connected with a liquid distributor of the shell through an economizer.
The invention has the following beneficial effects:
the air cooling and humidifying device provided by the invention integrates the aftercooler and the humidifier in the prior art, a circulating water system in the aftercooler is omitted, a corresponding circulating pipeline is not required to be independently arranged, the air can be cooled in a S-shaped baffling mode in a first area, N breather pipes and a second area in the shell, the cooled air flows upwards from the area between the first area and the second area, the water sprayed out by the liquid distributor is heated and humidified to reach saturated humidity, and the air can be discharged out of the device after redundant water mist is removed by the demister, so that the cooling and humidifying process is realized, the flow of the existing cooling and humidifying system is simplified by the device, and the design difficulty is reduced.
Drawings
FIG. 1 is a schematic front view of an air cooling and humidifying device for a humid air turbine cycle according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of an air cooling and humidifying device for a humid air turbine cycle according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an air cooling and humidifying system scheme based on the air cooling and humidifying device provided by the embodiment of the invention.
In the figure: 1. the air cooling and humidifying device comprises an air cooling and humidifying device, 2, a shell, 3, a vent pipe, 4, a liquid distributor, 5, a demister, 6, a pipe plate, 7, a top plate, 8, a partition plate, 9, an air inlet, 10, a water inlet, 11, an air outlet, 12, a water replenishing opening, 13, a water outlet, 14, a first horizontal plate, 15, a second horizontal plate, 16, a first area, 17, a second area, 18, a compressor, 19, outside air, 20, a heat regenerator, 21, a water pump, 22, a combustion chamber, 23, fuel, 24, a turbine, 25, outlet gas of the heat regenerator, 26, an economizer, 27 and exhaust of the economizer.
Detailed Description
As shown in fig. 1 to 2, the embodiment of the present invention provides an air cooling and humidifying device for a humid air turbine cycle device, which mainly comprises a housing 2, an air outlet 11 is provided at the top of the housing 2, and an air inlet 9 is provided at the side wall surface of the housing.
A plurality of vent pipes 3 are horizontally arranged in the housing 2, the vent pipes 3 are parallel to each other, and the axes of the vent pipes 3 are perpendicular to the axis of the housing 2, it is assumed that the left end ports of the vent pipes 3 in this embodiment are inlets, and the right end ports are outlets, wherein the left end ports and the right end orifices of the vent pipes 3 are connected together through a pipe plate 6 to form a vent pipe bundle, and it is easy to understand that the pipe plate is divided into a left pipe plate and a right pipe plate.
It should be noted that the tube sheet 6 in this embodiment merely connects the ends of the vent tubes together, but does not seal the ports of the vent tubes.
Further, the left tube plate and the right tube plate of this embodiment are directly connected together through the baffle 8, and these left tube plate and right tube plate and baffle 8 form a tube bundle shell that surrounds the breather pipe, the top and the bottom of tube bundle shell are uncovered, and are not confined, are in simultaneously the top of the shell inner tube bundle shell top export is equipped with liquid distributor 4, evenly be equipped with a plurality of delivery port on the liquid distributor 4, can be to the inside watering of tube bundle shell through the delivery port on the liquid distributor 4, the top of liquid distributor 4 is equipped with defroster 5.
In this embodiment, the top edge of the tube bundle shell is connected to the inner wall of the cylindrical shell through a top plate, a gap area is provided between the tube bundle shell and the inner wall of the shell, and the top plate just seals the top of the gap area, so that the high-temperature gas flowing from the side wall of the shell flows downwards in the gap area and finally flows into the interior of the tube bundle shell from the bottom of the tube bundle shell.
Referring to fig. 1, in the present embodiment, the left tube plate is connected to the inner wall of the shell, a first region 16 is formed between the left tube plate, the inner wall of the shell and the top plate, and a plurality of 3 first horizontal plates 14 are arranged at intervals in the first region 16 in the height direction, wherein the last horizontal plate is connected to the bottom of the left tube plate.
The right tube plate is connected with the inner wall of the cylindrical shell, the right tube plate, the inner wall of the cylindrical shell and the top plate form a second area 17, the bottom of the second area is open, 2 second horizontal plates 15 are arranged in the second area 17 in the height direction at intervals, the left first horizontal plate 14 and the right second horizontal plate 15 in the shell are not in the same height direction, namely the first horizontal plate 14 in the first area and the second horizontal plates 15 in the second area are distributed in a staggered mode, and two layers of vent pipes are arranged between every two adjacent horizontal plates as can be seen from fig. 1.
Thus, in the present embodiment, the air inlet 9 on the side wall of the outer casing 2 is arranged between the first horizontal plate 14 at the top left and the top plate 7, so that when the high-temperature gas from the compressor enters the first area 16 in the outer casing from the air inlet 9 on the outer casing, the high-temperature gas firstly enters from the left ports of the upper first layer and second layer of the vent pipes and then flows out from the right ports of the vent pipes to enter the second area 17, then enters from the right ports of the third layer and fourth layer of the vent pipes under the blockage of the horizontal plate on the right, and then flows out from the left ports of the third layer and fourth layer of the vent pipes, and then sequentially, the high-temperature gas flows between the first area 16, the vent pipes 3 and the second area 17 in an S-shaped flow path, and finally flows out from the bottom opening of the second area 17 on the right to complete the whole cooling process. The cooled gas flows into the tube bundle shell from the bottom of the tube bundle shell and flows upwards, then is heated and humidified by water from an economizer 4 of a liquid distributor, is humidified to saturated humidity, and is discharged from a gas outlet 11 at the top of the shell after redundant water mist is removed by a demister 5.
The air cooling and humidifying device provided by the invention integrates the aftercooler and the humidifier in the prior art, a circulating water system in the aftercooler is omitted, the total circulating water quantity is reduced, a corresponding circulating cooling pipeline is not required to be independently arranged, the first area, the N vent pipes and the second area in the shell are baffled in an S shape to realize cooling, meanwhile, the cooled gas flows upwards from the area between the first area and the second area, the water sprayed out by the liquid distributor is heated and humidified to reach saturated humidity, and the water is discharged out of the device after redundant water mist is removed by the demister, so that the cooling and humidifying process is realized, the flow of the existing cooling and humidifying system is simplified, and the design difficulty is reduced.
Meanwhile, the first area and the second area formed by the left tube plate and the right tube plate in the embodiment avoid the processing difficulty and the larger pressure loss caused by structures such as an elbow and the like.
Further, referring to fig. 2, the shell 2 provided in this embodiment is cylindrical, the tube bundle shell is a square shell, four side edges of the square shell are respectively attached to the inner wall of the shell 2, preferably, the side edges are hermetically connected to the inner wall of the shell, so that the first horizontal plate and the second horizontal plate are an arc-shaped plate, the horizontal plate has an arc-shaped side wall surface and a horizontal side wall surface, the arc-shaped side wall surface of the arc-shaped plate is hermetically connected to the inner wall of the cylindrical shell, and simultaneously, the horizontal side wall surface of the arc-shaped plate is hermetically connected to the wall surface of the square shell, so that two adjacent areas can be prevented from air leakage, and the cooling reliability is improved.
Of course, the housing 2 in this embodiment is not limited to the cylindrical shape in this embodiment, but may be a rectangular or square shape, and the first tube plate and the second tube plate in this example embodiment may not be connected by the partition plate 8, and the first tube plate and the second tube plate may be directly connected to the two opposite surfaces of the square housing or the rectangular housing.
Further, the bottom of the shell in this embodiment is provided with a water replenishing port 12 and a water outlet 13, the liquid distributor continuously sprays water, and the water falls to the bottom of the shell along the tube bundle and is discharged from the water outlet 13.
The operation of the air cooling and humidifying device is described in detail as follows:
firstly, high-temperature gas enters a first area in the shell from a gas inlet 9 on the side wall of the shell 2, then flows in an S-shaped route among the first area, the vent pipe and the second area, and finally flows out from the second area or the bottom of the first area to realize a gas cooling process;
then, the cooled gas flows upwards from the bottom of the tube bundle shell, the liquid distributor starts to spray water, and the cooled gas is humidified;
finally, the humidified gas is passed through a demister to remove excess water mist, and finally discharged from a top air outlet of the housing.
Besides, the embodiment of the invention also provides a wet air turbine circulating system, which comprises a compressor 18, the air cooling and humidifying device 1 provided by the embodiment, a water pump 21, an economizer 26, a heat regenerator 20, a combustion chamber 22 and a turbine 24. The exhaust port of the compressor is communicated with the air inlet of the cooling device, the air outlet of the cooling device is communicated with the first air inlet of the heat regenerator, the first air outlet of the heat regenerator is connected with the air inlet of the combustion chamber, the air outlet of the combustion chamber is connected with the air inlet of the turbine, the air outlet of the turbine is connected with the second air inlet of the heat regenerator, and the second air outlet of the heat regenerator is connected with the economizer; and a water outlet at the bottom of the shell of the cooling device is connected with a liquid distributor of the shell through an economizer.
Compared with the prior turbine circulation system which is additionally provided with the aftercooler humidifying device, the wet air turbine circulation system provided by the embodiment has the advantages that the high-low temperature matching of the three streams of fluid of the compressor exhaust, the coal economizer water supply and the wet air in the air cooling and humidifying device is more reasonable,
the loss is lower. The spray water outside the tube exchanges heat with the falling film evaporation on the outer wall of the tube, and the heat exchange coefficient is higher. The calculation shows that under the same air and water inlet and outlet parameters, compared with an aftercooler and a humidifier, the circulating system has the advantages of smaller heat exchange area, smaller occupied space of equipment and lower investment cost.
The working principle for the humid air circulation system described above is explained in detail below:
the compressor 18 in the humid air turbine circulating system compresses the outside air 19 to the required pressure, then the high temperature air after compressing gets into the inside of the device through the air inlet 9 of the upper end of the air cooling and humidifying device, the regional baffling between the shell 1 and the tube bundle shell for several times, arrive the bottom end of the air cooling and humidifying device after being cooled, get into the inside of the tube bundle shell after baffling, be heated and humidified by the economizer water 10 from the liquid distributor 4, redundant water mist is removed by the demister 5 at the top of the liquid distributor 4 inside the device after being humidified to the saturation humidity, the discharged air cooling and humidifying device becomes the humid air, get into the heat regenerator 20, simultaneously, the residual water in the humidification process is mixed with the water supplement 12, and the air is discharged from the water outlet 13 at the bottom of the air cooling and humidifying device.
The accumulated water discharged from the air cooling and humidifying device is pressurized after entering a water pump 21, and the wet air is heated by a heat regenerator 20 and then enters a combustion chamber 22 to support combustion for a fuel 23. The burning working medium enters a turbine 24 to do work, and the gas after doing work enters a heat regenerator 20 to heat wet air. The outlet gas 25 of the heat regenerator enters an economizer 26 to heat the water inlet 23 of the water pump, and is finally discharged as the exhaust gas 27 of the economizer, and the heated water enters the air cooling and humidifying device as the water inlet 10 of the economizer to transfer heat and mass with the exhaust gas of the compressor.
In this example, the wet air turbine cycle parameters of 80kW power are further illustrated as an example:
the import and export parameters of the post-cooling and humidifying process under the condition of 80kW are as follows: the exhaust temperature of the compressor is 210.1 ℃, the pressure is 0.407 MPa, the mass flow is 0.623kg/s of dry air, and the moisture content is 0.007kg/kg of dry air; the temperature of the water entering the economizer is 108.1 ℃, the mass flow is 0.3254kg/s, the temperature of the air at the outlet of the humidifier is 84.1 ℃, the temperature is saturated, and the temperature of the water at the bottom of the humidifier is 62.1 ℃.
In order to meet the purpose that the wet air is humidified to be saturated by the water from the economizer and the temperature is about 84.1 ℃, parameters of the air cooling and humidifying device need to be designed and calculated. The air cooling and humidifying device can meet the requirements when a set of verified calculation model is used for calculation to obtain that the outer diameter of a tube of the tube bundle part of the air cooling and humidifying device is 34 mm, the inner diameter of the tube is 30.8 mm, the outer diameter of the tube is doubled at the tube spacing, the regular triangle is arranged, and the 24 rows are 10 rows. At the moment, in the air cooling and humidifying device, the exhaust gas of the compressor is firstly cooled to 70 ℃ to heat spray water outside the pipe so as to be convenient for the spray water to evaporate, and then the exhaust gas is heated and humidified by the spray water outside the pipe to 84.4 ℃, and the moisture content is 0.1035kg/kg, which is just saturated. The temperature of the water at the bottom of the air cooling and humidifying device is 62.5 ℃, which is similar to the experimental value. The air pressure at the outlet of the air cooling and humidifying device is 0.402 MPa, the pressure drop is 1.2 percent, and the pressure drop is similar to that of the relevant literature 1-1.5 percent and is acceptable. At the moment, the height of the pipe bundle part is 1.45 meters, and the length and the width of the pipe bundle part are 0.68 meters, so that the occupied space is obviously reduced compared with the space occupied by the design of the aftercooler humidifying device.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114294981A (en) * | 2021-12-17 | 2022-04-08 | 上海交通大学 | Horizontal high-pressure air after-cooling and humidifying integrated device |
| CN114320602A (en) * | 2021-12-21 | 2022-04-12 | 上海交通大学 | Waste heat recovery system based on humidifying gas turbine generator set |
| CN116335774A (en) * | 2023-03-17 | 2023-06-27 | 中国科学院工程热物理研究所 | A Humid Air Turbine Cycle Combined Heat and Power System |
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| CN111219218A (en) * | 2020-03-11 | 2020-06-02 | 西安热工研究院有限公司 | A coal-based supercritical carbon dioxide power generation system and method with waste heat recovery |
| CN111521032A (en) * | 2020-05-27 | 2020-08-11 | 山东建筑大学 | Multi-process evaporative condenser |
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