CN216342361U - Air expansion power generation system - Google Patents
Air expansion power generation system Download PDFInfo
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- CN216342361U CN216342361U CN202121841365.9U CN202121841365U CN216342361U CN 216342361 U CN216342361 U CN 216342361U CN 202121841365 U CN202121841365 U CN 202121841365U CN 216342361 U CN216342361 U CN 216342361U
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Abstract
The utility model discloses an air expansion power generation system, which comprises a compressor, an air supply device, a heat exchanger, a primary expansion machine and a secondary expansion machine, wherein the air supply device is connected with an air inlet of the compressor, an air outlet of the compressor is connected with a tube side of the heat exchanger, the tube side of the heat exchanger is connected with an inlet of the primary expansion machine, the primary expansion machine is provided with a primary expansion generator, an outlet of the primary expansion machine is connected with a shell side of the heat exchanger, the shell side of the heat exchanger is connected with an inlet of the secondary expansion machine, and an outlet of the secondary expansion machine is connected with the air inlet of the compressor. Can be used as the power output of large vehicles.
Description
Technical Field
The utility model relates to the technical field of air energy power generation, in particular to an air expansion power generation system.
Background
With the rapid development of new energy industries, solar energy, wind energy, air energy and the like are gradually used as important basic energy sources in various renewable energy sources. Solar energy and wind energy can generate electricity by adopting structures such as a solar cell, a turbine turbofan and a reflective condenser, however, the electricity generating structures generally have the defects of unstable energy output and large volume, and the existing air energy electricity generating system has a complex structure, and some air energy electricity generating systems even need fuel, thereby causing certain pollution to the environment.
Disclosure of Invention
The utility model provides an air expansion power generation system aiming at the defects in the prior art, and aims to solve the problems in the prior art.
In order to solve the technical problem, the utility model is solved by the following technical scheme:
an air expansion power generation system comprises a compressor, an air supply device, a heat exchanger, a primary expansion machine and a secondary expansion machine, wherein the air supply device is connected with an air inlet of the compressor, an air outlet of the compressor is connected with a tube side of the heat exchanger, the tube side of the heat exchanger is connected with an inlet of the primary expansion machine, a primary expansion power generator is arranged on the primary expansion machine, an outlet of the primary expansion machine is connected with a shell side of the heat exchanger, the shell side of the heat exchanger is connected with an inlet of the secondary expansion machine, and an outlet of the secondary expansion machine is connected with an air inlet of the compressor.
Preferably, a high-pressure air port is arranged between the compressor and the tube side of the heat exchanger.
Preferably, the air supply device is an air handler.
Preferably, the air supply device is an inflatable canister.
Preferably, a compressor motor is arranged on the compressor, a waste heat exchanger is arranged between the shell side of the heat exchanger and the secondary expansion machine, one end of the tube side of the waste heat exchanger is connected with the shell side of the heat exchanger, the other end of the tube side of the waste heat exchanger is connected with an inlet of the secondary expansion machine, and an inlet and an outlet of the shell side of the waste heat exchanger are communicated with waste heat or outside air.
Preferably, a clutch is arranged among the compressor, the compressor motor and the secondary expansion machine.
Preferably, a secondary expansion generator is arranged on the secondary expansion machine.
Preferably, a gas-liquid separator is arranged between the primary expansion machine and the heat exchanger, a gas inlet pipe of the gas-liquid separator is connected with an outlet of the primary expansion machine, a gas outlet pipe of the gas-liquid separator is connected with a shell side of the heat exchanger, a liquid discharge pipe of the gas-liquid separator is connected with an inlet of a high-pressure low-temperature pump, an outlet of the high-pressure low-temperature pump is connected with a tube side inlet of a liquid-air evaporator, and a tube side outlet of the liquid-air evaporator is connected with an inlet of the primary expansion machine.
Preferably, a liquid air evaporator shell pass is arranged on the liquid air evaporator, and the liquid air evaporator shell pass is communicated with waste heat or outside air.
Preferably, a high-pressure gas-liquid separator is arranged between the tube pass of the liquid-air evaporator and the primary expansion machine, the inlet of the high-pressure gas-liquid separator is connected with the tube pass outlet of the liquid-air evaporator, the liquid discharge pipe of the high-pressure gas-liquid separator is connected with the tube pass inlet of the liquid-air evaporator, and the exhaust pipe of the high-pressure gas-liquid separator is connected with the inlet of the primary expansion machine.
The utility model has the advantages that:
the utility model has the advantages of simple power generation principle and structure, considerable electric quantity output, capability of reducing the atmospheric temperature during power generation, capability of being output as a cold source, capability of supplying air separation, refrigeration and factory equipment cooling to replace a summer air conditioning system, energy saving effect during power generation, capability of being used as power output of large-scale vehicles due to simple structure, reasonable design, accordance with market requirements and suitability for popularization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be discussed below, it is obvious that the technical solutions described in conjunction with the drawings are only some embodiments of the present invention, and for those skilled in the art, other embodiments and drawings can be obtained according to the embodiments shown in the drawings without creative efforts.
FIG. 1 is a block diagram of an embodiment of the present invention;
FIG. 2 is a block diagram of a second embodiment of the present invention;
FIG. 3 is a three-junction diagram of an embodiment of the present invention;
FIG. 4 is a diagram of a fourth embodiment of the present invention.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments described herein without the need for inventive work, are within the scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1, an air expansion power generation system includes a compressor 2, an air supply device, a heat exchanger 5, a primary expander 6 and a secondary expander 1, the air supply device is connected to an air inlet of the compressor 2, an air outlet of the compressor 2 is connected to a tube side of the heat exchanger 5, the tube side of the heat exchanger 5 is connected to an inlet of the primary expander 6, the primary expander 6 is provided with a primary expansion generator 7, an outlet of the primary expander 6 is connected to a shell side of the heat exchanger 5, the shell side of the heat exchanger 5 is connected to an inlet of the secondary expander 1, an outlet of the secondary expander 1 is connected to an air inlet of the compressor 2, a high-pressure air port 3 is provided between the compressor 2 and the tube side of the heat exchanger 5, and the air supply device is an air processor 4.
The working principle is that the method combining Rankine cycle and reverse Carnot cycle is utilized, the internal energy of gas is consumed and external environment heat is absorbed to generate electricity, when the equipment works, high-pressure air is connected into an external high-pressure air port 3, the air is compressed into a tube pass of a heat exchanger 5 by a compressor 2, compressed air coming out of the tube pass pushes a primary expander 6 generator to generate electricity, the internal energy of air at an outlet of the primary expander 6 generator is reduced, the temperature is reduced, the air enters a shell pass of the heat exchanger 5 and exchanges heat with high-temperature and high-pressure air in the tube pass of the heat exchanger 5, the air enters an inlet of the compressor 2 and an air processor 4 through a secondary expander 1, the air processor 4 processes the air entering the system, meanwhile, redundant air of the system is discharged to the outside, and then enters the next cycle.
Example two:
as shown in fig. 2, the difference between the second embodiment and the first embodiment is that the air supply device is an expandable storage tank 8, the internal pressure of the expandable storage tank 8 is positive pressure, so as to prevent external air from entering, the compressor 2 is provided with a compressor motor 12, a waste heat exchanger 10 is arranged between the shell side of the heat exchanger 5 and the secondary expander 1, one end of the tube side of the waste heat exchanger 10 is connected with the shell side of the heat exchanger 5, the other end is connected with the inlet of the secondary expander 1, the shell side inlet/outlet 9 of the waste heat exchanger is communicated with waste heat or external air, a clutch 11 is arranged between the compressor 2, the compressor motor 12 and the secondary expander 1, so as to change the air processor 4 into the expandable storage tank 8, so as to reduce the cost, reduce the loss of system air, increase the shell sides of the waste heat exchanger 10 and the waste heat exchanger 10, and increase the inlet/outlet output power of the secondary expander 1, the system power is improved, wherein after heat exchange is carried out between air in the system and high-temperature and high-pressure air in a tube pass of a heat exchanger 5, the air needs to be heated and heated by a waste heat exchanger 10, then is discharged into an expandable storage tank 8 through a secondary expander 1 and then reaches an inlet of a compressor 2, primary circulation is completed, a clutch 11 is arranged among the compressor 2, a compressor motor 12 and the secondary expander 1, when the secondary expander 1 reaches output power, the clutch 11 enables the secondary expander 1 to be linked with the compressor 2, meanwhile, the clutch 11 between the compressor 2 and the compressor motor 12 is disengaged, the compressor motor 12 is stopped, an external high-pressure air inlet is eliminated, and the design can eliminate the use of the high-pressure air.
Example three:
as shown in fig. 3, the difference between the third embodiment and the second embodiment is that a secondary expansion generator 16 is provided on the secondary expander 1, a gas-liquid separator 15 is provided between the primary expander 6 and the heat exchanger 5, an air inlet pipe of the gas-liquid separator 15 is connected to an outlet of the primary expander 6, an air outlet pipe of the gas-liquid separator 15 is connected to a shell side of the heat exchanger 5, a liquid discharge pipe of the gas-liquid separator 15 is connected to an inlet of a high-pressure low-temperature pump 13, an outlet of the high-pressure low-temperature pump 13 is connected to a tube side inlet of a liquid-air evaporator 14, a tube side outlet of the liquid-air evaporator 14 is connected to an inlet of the primary expander 6, air enters the gas-liquid separator 15 from an air inlet pipe of the gas-liquid separator 15, gas of the gas-liquid separator 15 enters the shell side of the heat exchanger 5 from an air outlet pipe of the gas-liquid separator 15, and the temperature of the gas is lowered due to each cycle, liquid air can appear in the gas-liquid separator 15, the liquid air of the gas-liquid separator 15 flows out of a liquid discharge pipe, enters the liquid-air evaporator 14 through the high-pressure low-temperature pump 13, is heated and gasified by external air in the tube pass of the liquid-air evaporator 14, and enters the inlet of the primary expansion machine 6 after being gasified, compared with the third embodiment, the third embodiment is additionally provided with the gas-liquid separator 15, the high-pressure low-temperature pump 13 and the liquid-air evaporator 14, the high-pressure low-temperature pump 13 can convey the liquid air to the liquid-air evaporator 14, so that the liquid air is gasified through heat exchange, the air pressure is increased, the air from the outlet of the heat exchanger 5 pushes the primary expansion machine 6 to do work, then the air is heated by the tube pass of the heat exchanger 5, and then enters the waste heat exchanger 10 to heat and then push the secondary expansion machine 1 to do work. If no waste heat exists, the external air can be introduced through the fan for heating, and the liquid air is heated and then expanded twice to do work, so that the power output of the system is increased.
Example four:
as shown in fig. 4, the difference between the fourth embodiment and the third embodiment is that a liquid-air evaporator shell pass 17 is arranged on the liquid-air evaporator 14, the liquid-air evaporator shell pass 17 is communicated with waste heat or outside air, a high-pressure gas-liquid separator 18 is arranged between the tube pass of the liquid-air evaporator 14 and the primary expansion machine 6, an inlet of the high-pressure gas-liquid separator 18 is connected with an outlet of the tube pass of the liquid-air evaporator 14, a liquid discharge pipe of the high-pressure gas-liquid separator 18 is connected with an inlet of the primary expansion machine 6, liquid air enters the tube pass of the liquid-air evaporator 14 by gravity, is heated and gasified by outside air, then enters the high-pressure gas-liquid separator 18, liquid air in the high-pressure gas-liquid separator 18 flows out of a liquid discharge pipe of the high-pressure gas-liquid separator 18 into the liquid-air evaporator 14, and gas in the high-pressure gas-liquid separator 18 enters an inlet of the primary expansion machine 6, the fourth embodiment is compared with the third embodiment and the liquid air evaporator 14 has the advantages that the shell side 17 of the liquid air evaporator is added, the heat absorption efficiency of liquid air is higher, the high-pressure gas-liquid separator 18 is added, and the liquid air is prevented from entering the expansion machine.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the utility model is indicated by the appended claims, rather than the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The air expansion power generation system is characterized by comprising a compressor (2), an air supply device, a heat exchanger (5), a primary expansion machine (6) and a secondary expansion machine (1), wherein the air supply device is connected with an air inlet of the compressor (2), an air outlet of the compressor (2) is connected with a tube side of the heat exchanger (5), the tube side of the heat exchanger (5) is connected with an inlet of the primary expansion machine (6), a primary expansion generator (7) is arranged on the primary expansion machine (6), an outlet of the primary expansion machine (6) is connected with a shell side of the heat exchanger (5), the shell side of the heat exchanger (5) is connected with an inlet of the secondary expansion machine (1), and an outlet of the secondary expansion machine (1) is connected with an air inlet of the compressor (2).
2. An air expansion power generation system according to claim 1, characterized in that a high pressure air port (3) is provided between the compressor (2) and the tube side of the heat exchanger (5).
3. An air expansion power generation system according to claim 2, characterized in that said air supply means is an air handler (4).
4. An air expansion power generation system according to claim 1, characterized in that said air supply means is an expandable tank (8).
5. The air expansion power generation system according to claim 4, wherein a compressor motor (12) is arranged on the compressor (2), a waste heat exchanger (10) is arranged between the shell side of the heat exchanger (5) and the secondary expansion machine (1), one end of the tube side of the waste heat exchanger (10) is connected with the shell side of the heat exchanger (5), the other end of the tube side of the waste heat exchanger is connected with an inlet of the secondary expansion machine (1), and an inlet and an outlet (9) of the shell side of the waste heat exchanger are communicated with waste heat or outside air.
6. An air expansion power generation system according to claim 5, characterized in that a clutch (11) is arranged between the compressor (2), the compressor motor (12) and the secondary expansion machine (1).
7. An air expansion power generation system according to claim 5, wherein a secondary expansion generator (16) is provided on the secondary expander (1).
8. An air expansion power generation system according to claim 7, characterized in that a gas-liquid separator (15) is arranged between the primary expansion machine (6) and the heat exchanger (5), an air inlet pipe of the gas-liquid separator (15) is connected with an outlet of the primary expansion machine (6), an air outlet pipe of the gas-liquid separator (15) is connected with a shell side of the heat exchanger (5), a liquid discharge pipe of the gas-liquid separator (15) is connected with an inlet of the high-pressure low-temperature pump (13), an outlet of the high-pressure low-temperature pump (13) is connected with a tube side inlet of the liquid-air evaporator (14), and a tube side outlet of the liquid-air evaporator (14) is connected with an inlet of the primary expansion machine (6).
9. An air expansion power generation system according to claim 8, characterized in that the liquid air evaporator (14) is provided with a liquid air evaporator shell side (17), and the liquid air evaporator shell side (17) is communicated with waste heat or outside air.
10. An air expansion power generation system according to claim 9, characterized in that a high-pressure gas-liquid separator (18) is arranged between the tube side of the liquid air evaporator (14) and the primary expansion machine (6), the inlet of the high-pressure gas-liquid separator (18) is connected with the tube side outlet of the liquid air evaporator (14), the drain of the high-pressure gas-liquid separator (18) is connected with the tube side inlet of the liquid air evaporator (14), and the exhaust pipe of the high-pressure gas-liquid separator (18) is connected with the inlet of the primary expansion machine (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121841365.9U CN216342361U (en) | 2021-08-09 | 2021-08-09 | Air expansion power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121841365.9U CN216342361U (en) | 2021-08-09 | 2021-08-09 | Air expansion power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216342361U true CN216342361U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121841365.9U Active CN216342361U (en) | 2021-08-09 | 2021-08-09 | Air expansion power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216342361U (en) |
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2021
- 2021-08-09 CN CN202121841365.9U patent/CN216342361U/en active Active
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