CN221006026U - Air heat exchanger of heating-cooling dual-mode configuration - Google Patents
Air heat exchanger of heating-cooling dual-mode configuration Download PDFInfo
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- CN221006026U CN221006026U CN202322858451.6U CN202322858451U CN221006026U CN 221006026 U CN221006026 U CN 221006026U CN 202322858451 U CN202322858451 U CN 202322858451U CN 221006026 U CN221006026 U CN 221006026U
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- 238000001816 cooling Methods 0.000 title claims abstract description 26
- 239000012530 fluid Substances 0.000 claims abstract description 37
- 238000007789 sealing Methods 0.000 claims description 9
- 230000009977 dual effect Effects 0.000 claims description 5
- 238000004146 energy storage Methods 0.000 abstract description 45
- 238000000034 method Methods 0.000 abstract description 15
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000005192 partition Methods 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides an air heat exchanger with heating-cooling dual-mode configuration, which is applied to a compressed air energy storage system, has reasonable structural connection, safe and stable operation process, can effectively improve heat exchange efficiency, reduces cost investment, and realizes the heat exchange requirement of the heating-cooling dual-mode configuration under the working conditions of energy storage and release. The air heat exchanger consists of a seal head, a shell, a support, a tube plate, a heat exchange tube, a tube side fluid inlet, an air outlet, a tube side fluid outlet, a partition plate, a manhole and the like. The heat exchange parameters under the two working conditions are matched by adjusting the end difference of the heat exchange medium under the working conditions of energy storage and energy release, and the directions of the medium inlet and outlet are changed, so that the heat exchange requirement of the heating-cooling dual-mode configuration under the two working conditions is met by the same equipment. The configuration reduces the equipment cost of the heat exchanger in the compressed air energy storage project, is beneficial to the stable operation of the compressed air energy storage system, and improves the economy of the system.
Description
Technical Field
The utility model relates to an air heat exchanger with a heating-cooling dual-mode configuration.
Background
In the field of compressed air energy storage and the like, a gas-water heat exchanger, a salt gas heat exchanger, an oil-gas heat exchanger and the like are generally utilized to perform heat exchange processes of air energy storage and energy release working conditions. Under the conventional condition, the energy storage working condition and the energy release working condition are separated and operated independently. When the energy storage working condition operates, the energy release working condition is closed, the air is cooled through the heat exchanger after the compressor compresses the air, and the high-pressure low-temperature air is stored in the air storage, so that the energy storage process is completed. When the energy release working condition operates, the energy storage working condition is closed, the high-pressure low-temperature air in the air storage is heated through the heat exchanger, the high-temperature high-pressure air enters the expansion machine to do work for power generation, and the low-temperature low-pressure air after doing work is discharged into the atmosphere to complete the energy release process. In order to meet the two working conditions of energy storage and energy release, two sets of heat exchangers are required to be configured to operate alternately, the configuration improves the equipment cost of the heat exchangers in the compressed air energy storage project, and due to the alternate operation of the two working conditions, a series of heat exchangers are idle, so that certain waste is caused, and the operation safety and the economy of the compressed air energy storage system are directly affected. To accommodate this background, a dual heating-cooling configuration of air heat exchangers is particularly provided. The heat exchange parameters under the two working conditions are matched by adjusting the end difference of the heat exchange medium under the working conditions of energy storage and energy release, and the directions of the medium inlet and outlet are changed, so that the heat exchange requirement of the heating-cooling dual-mode configuration under the two working conditions is met by the same equipment.
Disclosure of utility model
The compressed air energy storage system utilizes an air heat exchanger to perform heat exchange process of energy storage and energy release working conditions. In order to meet the two working conditions of energy storage and energy release, two sets of heat exchangers are required to be configured to operate alternately, and the configuration improves the heat exchanger equipment cost of a compressed air energy storage project and influences the operation safety and the economy of a compressed air energy storage system. In order to adapt to the situation, the utility model provides the air heat exchanger structure which is applied to the compressed air energy storage system, has reasonable structural connection, safe and stable operation process, can effectively improve the heat exchange efficiency, reduces the cost investment and realizes the heat exchange requirement of heating-cooling dual-mode configuration under the working conditions of energy storage and release.
The utility model relates to an air heat exchanger with heat exchange by heating-cooling dual-mode configuration, which comprises an end socket, a shell, a heat exchange tube, an air inlet, a tube plate, a tube side fluid outlet, a manhole, an air outlet, a support and a tube side fluid inlet;
The two ends of the shell are provided with sealing heads, the sealing heads are provided with manholes, the sealing heads at one end of the shell are provided with a tube side fluid outlet, and the sealing heads at the other end are provided with a tube side fluid inlet; the bottom of the shell is provided with a support and an air outlet; the top of the shell is provided with an air inlet; tube plates are respectively arranged at openings at two ends of the shell, and heat exchange tubes are arranged in the shell; the heat exchange tube is fixed by a tube plate.
The inlet and the outlet of the tube side fluid are arranged on the sealing head and are provided with round holes. The manhole is arranged on the end socket, so that the maintenance is convenient. The separation plate is arranged in the end socket, the tube side is divided into a plurality of processes, the flowing state is close to pure countercurrent, the effective heat exchange temperature difference of a single heat exchanger is improved, the effective heat exchange area is reduced, and the cost of the heat exchanger is saved.
Further, the heat exchange tube is a horizontal-scanning heat exchange tube.
Further, the plurality of heat exchange tubes are disposed in the housing along the length direction of the housing.
Further, a plurality of air inlets are arranged at the top of the shell, and a plurality of air outlets are arranged at the bottom of the shell.
Further, the tube-side fluid outlet and the tube-side fluid inlet are circular holes.
The working principle of the utility model is as follows: under the energy storage working condition, high-temperature air enters from an air inlet, and the horizontal heat exchange tube exchanges heat with cold fluid in the tube and is discharged from an outlet at the other side of the shell side channel. The cold fluid at the tube side enters from the inlet at the tube side, a plurality of processes are arranged at the tube side for circulating flow, the heat exchange effect is enhanced, and finally, the cold fluid is discharged from the outlet at the tube side after heat exchange with the air outside the tube. Under the energy release working condition, low-temperature air reversely enters from the air outlet, and the horizontal heat exchange tube exchanges heat with hot fluid in the tube and is discharged through the air inlet on the other side of the shell side channel. The hot fluid on the tube side reversely enters from the outlet on the tube side, and finally the hot fluid exchanges heat with the air outside the tube and is discharged from the inlet on the tube side. Through heat exchange tube conduction and convection heat transfer, the temperature of cold flow is gradually increased, and the temperature of hot flow is gradually reduced, so that the heat exchange process is realized. The heat exchange parameters under the two working conditions are matched by adjusting the end difference of the heat exchange medium under the working conditions of energy storage and energy release, and the direction of the inlet and the outlet of the medium is adjusted, so that the heat exchange requirement of the heating-cooling dual-mode configuration under the two working conditions is met by the same equipment.
The utility model has the following beneficial effects:
According to the utility model, the heat exchange parameters under two working conditions are matched by adjusting the end difference of the heat exchange medium under the working conditions of energy storage and energy release, and the directions of the medium inlet and outlet are changed, so that the same equipment meets the heat exchange requirements of heating-cooling dual-mode configuration under the two working conditions. Because the energy storage working condition and the energy release working condition are separated, the two working conditions can share the same set of heat exchange equipment, and the operation mode of the heating-cooling dual-mode configuration of the same heat exchanger is realized.
The energy storage and energy release working conditions can share the same set of heat exchange equipment, and the operation mode of the heating-cooling dual-mode configuration of the same heat exchanger is realized. The configuration greatly reduces the cost of the heat exchanger equipment of the compressed air energy storage project, avoids the adverse condition that a series of heat exchangers are idle and waste is caused because two working conditions are operated alternately, reduces the cost of the heat exchanger equipment of the compressed air energy storage project, is beneficial to the stable operation of a compressed air energy storage system, and improves the economical efficiency of the system.
Drawings
FIG. 1 is a schematic diagram of an air heat exchanger with dual heating-cooling configurations for heat exchange requirements according to the present utility model;
FIG. 2 is a flow chart of a configuration of an energy storage operating mode system of an air heat exchanger of the compressed air energy storage system;
FIG. 3 is a flow chart of a configuration of an air heat exchanger energy release operating mode system of the compressed air energy storage system.
Detailed Description
For the purposes of clarity, technical solutions and advantages of embodiments of the present invention, the spirit of the present disclosure will be described in detail below, and any person skilled in the art, after having appreciated the embodiments of the present disclosure, may make changes and modifications to the techniques taught by the present disclosure without departing from the spirit and scope of the present disclosure.
The exemplary embodiments of the present invention and the descriptions thereof are intended to illustrate the present invention, but not to limit the present invention.
The first embodiment is as follows: an air heat exchanger with heat exchange requirements of a heating-cooling dual-mode configuration of the present embodiment is described with reference to fig. 1, and is composed of a seal head 1, a housing 2, a heat exchange tube 3, an air inlet 4, a tube plate 5, a tube side fluid outlet 6, a manhole 7, an air outlet 8, a support 9, a tube side fluid inlet 10, and the like. The air heat exchanger is shown in fig. 1, under the energy storage working condition, high-temperature air enters from an air inlet 4, and the horizontal heat exchange tube 3 exchanges heat with cold fluid in the tube and is discharged through an air outlet 8 on the other side of the shell side channel. The cold fluid at the tube side enters from the inlet 10 at the tube side, a plurality of flow paths are arranged at the tube side for circulating flow, the flow rate in the tube is increased, the heat exchange is enhanced, and finally, the cold fluid is discharged from the outlet 6 at the tube side after heat exchange with the air outside the tube. Under the energy release working condition, low-temperature air reversely enters from the air outlet 8, exchanges heat with hot fluid in the tube by the horizontal heat exchange tube, and is discharged through the air inlet 4 on the other side of the shell side channel. The hot fluid on the tube side reversely enters from the outlet 6 on the tube side, and finally the hot fluid exchanges heat with the air outside the tube and is discharged from the inlet 10 on the tube side. Fig. 2 and fig. 3 are respectively a flow chart of configuration of an energy storage working condition and an energy release working condition of an air heat exchanger of the compressed air energy storage system, and a heat exchange circulation process is completed by arranging multiple stages of compression and expansion and arranging multiple air heat exchangers in a serial-parallel connection mode. FIG. 2 represents an energy storage operating mode, and the purple module represents an energy release operating mode, which is a closed state at this time, and completes the air cooling process. FIG. 3 represents a mode of operation in the energy release condition, the purple module represents an energy storage condition, and the purple module is in a closed state at this time, thereby completing the air heating process. The running states of the energy storage working condition and the energy release working condition are matched with the equipment quantity requirements of the two working conditions by adjusting the heat exchange end difference and the inlet and outlet directions, so that the heat exchange requirement of the heating-cooling dual-mode configuration is realized.
The application method of the air heat exchanger with the heat exchange requirement of the heating-cooling dual-mode configuration in the embodiment comprises the following steps:
The air heat exchanger is shown in fig. 1, under the energy storage working condition, high-temperature air enters from an air inlet 4, and the horizontal heat exchange tube 3 exchanges heat with cold fluid in the tube and is discharged through an air outlet 8 on the other side of the shell side channel. The cold fluid at the tube side enters from the inlet 10 at the tube side, a plurality of flow paths are arranged at the tube side for circulating flow, the flow rate in the tube is increased, the heat exchange is enhanced, and finally, the cold fluid is discharged from the outlet 6 at the tube side after heat exchange with the air outside the tube. Under the energy release working condition, low-temperature air reversely enters from the air outlet 8, exchanges heat with hot fluid in the tube by the horizontal heat exchange tube, and is discharged through the air inlet 4 on the other side of the shell side channel. The hot fluid on the tube side reversely enters from the outlet 6 on the tube side, and finally the hot fluid exchanges heat with the air outside the tube and is discharged from the inlet 10 on the tube side. Fig. 2 and fig. 3 are respectively a flow chart of configuration of an energy storage working condition and an energy release working condition of an air heat exchanger of the compressed air energy storage system, and a heat exchange circulation process is completed by arranging multiple stages of compression and expansion and arranging multiple air heat exchangers in a serial-parallel connection mode. FIG. 2 represents an energy storage operating mode, and the purple module represents an energy release operating mode, which is a closed state at this time, and completes the air cooling process. FIG. 3 represents a mode of operation in the energy release condition, the purple module represents an energy storage condition, and the purple module is in a closed state at this time, thereby completing the air heating process. The running states of the energy storage working condition and the energy release working condition are matched with the equipment quantity requirements of the two working conditions by adjusting the heat exchange end difference and the inlet and outlet directions, so that the heat exchange requirement of the heating-cooling dual-mode configuration is realized.
The second embodiment is as follows: the present embodiment is described with reference to fig. 1, and one difference between the present embodiment and the specific embodiment is that: the heat exchange tube 3 is a horizontal heat exchange tube.
The other is the same as in the first embodiment.
And a third specific embodiment: the present embodiment is described with reference to fig. 1, and one difference between the present embodiment and the specific embodiment is that: the plurality of heat exchange tubes 3 are disposed in the housing 2 along the longitudinal direction of the housing 2.
The other is the same as in the first embodiment.
The specific embodiment IV is as follows: the present embodiment is described with reference to fig. 1, and one difference between the present embodiment and the specific embodiment is that: a plurality of air inlets 4 are provided at the top of the housing 2, and a plurality of air outlets 8 are provided at the bottom of the housing 2.
The other is the same as in the first embodiment.
Fifth embodiment: the present embodiment is described with reference to fig. 1, and one difference between the present embodiment and the specific embodiment is that: the tube side fluid outlet 6 and the tube side fluid inlet 10 are circular holes.
The other is the same as in the first embodiment.
Claims (5)
1. The air heat exchanger with the double-mode heating-cooling configuration heat exchange is characterized by comprising a seal head (1), a shell (2), a heat exchange tube (3), an air inlet (4), a tube plate (5), a tube side fluid outlet (6), a manhole (7), an air outlet (8), a support (9) and a tube side fluid inlet (10);
The two ends of the shell (2) are provided with sealing heads (1), the sealing heads (1) are provided with manholes (7), the sealing heads (1) at one end of the shell (2) are provided with a tube side fluid outlet (6), and the sealing heads (1) at the other end are provided with a tube side fluid inlet (10); the bottom of the shell (2) is provided with a support (9) and an air outlet (8); the top of the shell (2) is provided with an air inlet (4); tube plates (5) are respectively arranged at openings at two ends of the shell (2), and the heat exchange tube (3) is arranged in the shell (2); the heat exchange tube (3) is fixed through a tube plate (5).
2. An air heat exchanger with double-mode heating-cooling configuration heat exchange according to claim 1, wherein the heat exchange tube (3) is a horizontal-sweep heat exchange tube.
3. An air heat exchanger of a dual heating-cooling configuration heat exchange according to claim 1, characterized in that a plurality of heat exchange tubes (3) are provided in the housing (2) along the length direction of the housing (2).
4. An air heat exchanger with dual heating-cooling arrangement according to claim 1, wherein a plurality of air inlets (4) are provided at the top of the housing (2) and a plurality of air outlets (8) are provided at the bottom of the housing (2).
5. An air heat exchanger with dual heating-cooling arrangement according to claim 1, characterized in that the tube side fluid outlet (6) and the tube side fluid inlet (10) are circular holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322858451.6U CN221006026U (en) | 2023-10-24 | 2023-10-24 | Air heat exchanger of heating-cooling dual-mode configuration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322858451.6U CN221006026U (en) | 2023-10-24 | 2023-10-24 | Air heat exchanger of heating-cooling dual-mode configuration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221006026U true CN221006026U (en) | 2024-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322858451.6U Active CN221006026U (en) | 2023-10-24 | 2023-10-24 | Air heat exchanger of heating-cooling dual-mode configuration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221006026U (en) |
-
2023
- 2023-10-24 CN CN202322858451.6U patent/CN221006026U/en active Active
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