CN217107133U - Compressed air energy storage system integrating heat supply, cold supply and power generation - Google Patents
Compressed air energy storage system integrating heat supply, cold supply and power generation Download PDFInfo
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- CN217107133U CN217107133U CN202221016297.7U CN202221016297U CN217107133U CN 217107133 U CN217107133 U CN 217107133U CN 202221016297 U CN202221016297 U CN 202221016297U CN 217107133 U CN217107133 U CN 217107133U
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Abstract
The utility model discloses a collection heat supply, compressed air energy storage system as an organic whole that supplies cold and generate electricity, including the generator, low pressure cylinder turbine, high pressure cylinder turbine, 1# heater, 2# heater, normal atmospheric temperature heat storage tank, high temperature heat storage tank, the reservoir, 3# heat exchanger, high-pressure compressor, 2# heat exchanger, medium pressure compressor, 1# heat exchanger, low pressure compressor, cold/hot user, 3# heater and cooler, this system can recycle low-quality working medium energy, reduce the energy loss among the power generation process, improve the circulation efficiency of electric heat energy storage.
Description
Technical Field
The utility model belongs to energy storage heat transfer field relates to a collection heat supply, cooling and electricity generation compressed air energy storage system as an organic whole.
Background
In recent years, research on energy storage has been receiving increasing attention from researchers in various countries. The common large-scale energy storage modes at present are divided into three types, namely physical energy storage, electrochemical energy storage and electromagnetic energy storage. Among them, the Energy Storage systems that can be connected to the grid and operated in large scale include Pumped Hydro (Pumped Hydro) systems and Compressed Air Energy Storage (CAES) systems. The pumped storage technology is relatively mature, high in efficiency, large in capacity and long in service life. However, the pumped storage power station requires a poor potential, and two reservoirs are arranged at high and low positions, so that the requirement on geographical conditions is high, the construction period is long, and the development of the pumped storage power station is limited to a certain extent. Compared with the prior art, the compressed air energy storage system has low construction cost and does not need special geographical conditions, and is one of the large-scale energy storage technologies with the greatest development prospect. At present, in the application process of actual engineering, the air exhaust which has done work is directly discharged to the air, so that resource waste is caused. If the part of heat or cold is directly used for meeting the heat supply and refrigeration requirements of life or production, the energy loss in the power generation process is reduced, and the cycle efficiency of electric heating energy storage is improved on the whole.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a collection heat supply, cooling and electricity generation compressed air energy storage system as an organic whole, this system can recycle low-quality working medium energy, reduces the energy loss in the power generation process, improves the circulation efficiency of electric heat energy storage.
In order to achieve the above purpose, the compressed air energy storage system integrating heat supply, refrigeration and power generation comprises a generator, a low-pressure cylinder turbine, a high-pressure cylinder turbine, a # 1 heater, a # 2 heater, a normal-temperature heat storage tank, a high-temperature heat storage tank, an air storage chamber, a # 3 heat exchanger, a high-pressure compressor, a # 2 heat exchanger, a medium-pressure compressor, a # 1 heat exchanger, a low-pressure compressor, a cold/hot user, a # 3 heater and a cooler;
the outlet of the air storage chamber is communicated with the inlet of the low-pressure cylinder turbine through the heat absorption side of the No. 1 heater, the high-pressure cylinder turbine and the heat absorption side of the No. 2 heater in sequence, the outlet of the low-pressure cylinder turbine is divided into three paths, one path is communicated with a cold/hot user through a cooler, and the second path is communicated with the outside; the third path is communicated with a cold/hot user through the heat absorption side of the 3# heater;
the heat release side outlet of the 3# heater and the outlet of the normal temperature heat storage tank are communicated with the heat absorption side inlet of the 1# heat exchanger, the heat absorption side inlet of the 2# heat exchanger and the heat absorption side inlet of the 3# heat exchanger through pipelines and pipes, the heat absorption side outlet of the 1# heat exchanger, the heat absorption side outlet of the 2# heat exchanger and the heat absorption side outlet of the 3# heat exchanger are communicated with the inlet of the high temperature heat storage tank, the outlet of the high temperature heat storage tank is divided into three paths, one path of the three paths of the heat storage tank is communicated with the normal temperature heat storage tank after passing through the heat release side of the 1# heater, the other path of the three paths of the;
the outlet of the low-pressure compressor is communicated with the inlet of the air storage chamber through the heat absorption side of the No. 1 heat exchanger, the medium-pressure compressor, the heat absorption side of the No. 2 heat exchanger, the high-pressure compressor and the heat absorption side of the No. 3 heat exchanger in sequence;
the generator is connected with the low-pressure cylinder turbine and the high-pressure cylinder turbine.
The outlet of the low-pressure cylinder turbine is communicated with a cold/hot user through a 3# manual valve, a 3# electric valve A, a 3# electric valve B and a cooler in sequence.
And the outlet of the low-pressure cylinder turbine is communicated with the outside through a No. 2 manual valve, a No. 2 electric valve A and a No. 2 electric valve B.
And the outlet of the low-pressure cylinder turbine is communicated with a cold/hot user through a 1# manual valve, a 1# electric valve A, a 1# electric valve B and the heat absorption side of a 3# heater.
The outlet of the high-temperature heat storage tank is communicated with the heat release side inlet of the 3# heater through a manual valve and an electric valve.
The generator is coaxially arranged with the low-pressure cylinder turbine and the high-pressure cylinder turbine.
The utility model discloses following beneficial effect has:
collect heat supply, cooling and electricity generation compressed air energy storage system as an organic whole when concrete operation, in summer, the exhaust cooler of low pressure jar turbine enters into cold/hot user, in winter, the exhaust of low pressure jar turbine enters into cold/hot user through the 3# heater, the gas of reservoir output is in proper order through the 1# heater, high pressure jar turbine, 2# heater and low pressure jar turbine generate electricity, in order to realize the heat supply, the integration of cooling and electricity generation, recycle low-quality working medium energy simultaneously, reduce the energy loss in the power generation process, the circulation efficiency of electric heat energy storage is improved.
Drawings
Fig. 1 is a structural diagram of the present invention.
The system comprises a generator 1, a low-pressure cylinder turbine 2, a high-pressure cylinder turbine 3, a heater 1# 4, a heater 2# 5, a normal-temperature heat storage tank 6, a high-temperature heat storage tank 7, a gas storage chamber 8, a heat exchanger 3# 9, a high-pressure compressor 10, a heat exchanger 2# 11, a medium-pressure compressor 12, a heat exchanger 1# 13, a low-pressure compressor 14, a cold/hot user 15, a heater 3# 16, an electric valve 1# 17, an electric valve 1# 18, an electric valve 1# 19, a valve 2# 20, an electric valve 2# 21, an electric valve 2# 22, an electric valve 3# 23, an electric valve 3# 24, an electric valve 3# 25, an electric valve 3# 26, a cooler 27 and an electric valve 28.
Detailed Description
In order to make the technical solution of the present invention better understood, the following figures in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments, and do not limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
A schematic structural diagram according to an embodiment of the present disclosure is shown in the drawings. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.
Referring to fig. 1, the compressed air energy storage system integrating heat supply, refrigeration and power generation of the present invention includes a power generator 1, a low pressure cylinder turbine 2, a high pressure cylinder turbine 3, a # 1 heater 4, a # 2 heater 5, a normal temperature heat storage tank 6, a high temperature heat storage tank 7, an air storage chamber 8, a # 3 heat exchanger 9, a high pressure compressor 10, a # 2 heat exchanger 11, a medium pressure compressor 12, a # 1 heat exchanger 13, a low pressure compressor 14, a cold/hot user 15, a # 3 heater 16, a # 1 electric valve B17, a # 1 electric valve a18, a # 1 manual valve 19, a # 2 manual valve 20, a # 2 electric valve a21, a # 2 electric valve B22, a # 3 manual valve 23, a # 3 electric valve a24, a # 3 electric valve B25, a cooler 26, a manual valve 27 and an electric valve 28;
the outlet of the air storage chamber 8 is communicated with the inlet of the low-pressure cylinder turbine 2 through the heat absorption side of the No. 1 heater 4, the heat absorption side of the high-pressure cylinder turbine 3 and the heat absorption side of the No. 2 heater 5 in sequence, the outlet of the low-pressure cylinder turbine 2 is divided into three paths, one path of the three paths is communicated with a cold/hot user 15 through a No. 3 manual valve 23, a No. 3 electric valve A24, a No. 3 electric valve B25 and a cooler 26 in sequence, and the second path of the three paths is communicated with the outside through a No. 2 manual valve 20, a No. 2 electric valve A21 and a No. 2 electric valve B22; the third path is communicated with a cold/hot user 15 through a heat absorption side of a 1# manual valve 19, a 1# electric valve A18, a 1# electric valve B17 and a 3# heater 16 in sequence;
a heat release side outlet of the 3# heater 16 is communicated with an outlet of the normal temperature heat storage tank 6 through a pipeline and a pipe and then is communicated with a heat absorption side inlet of the 1# heat exchanger 13, a heat absorption side inlet of the 2# heat exchanger 11 and a heat absorption side inlet of the 3# heat exchanger 9, a heat absorption side outlet of the 1# heat exchanger 13, a heat absorption side outlet of the 2# heat exchanger 11 and a heat absorption side outlet of the 3# heat exchanger 9 are communicated with an inlet of the high temperature heat storage tank 7, the outlet of the high temperature heat storage tank 7 is divided into three paths, one path of the three paths passes through the heat release side of the 1# heater 4 and then is communicated with the normal temperature heat storage tank 6, the other path of the three paths passes through the heat release side of the 2# heater 5 and then is communicated with the normal temperature heat storage tank 6, and the third path of the three paths are communicated with a heat release side inlet of the 3# heater 16 through a manual valve 27 and an electric valve 28;
the outlet of the low-pressure compressor 14 is communicated with the inlet of the air storage chamber 8 through the heat absorption side of the 1# heat exchanger 13, the heat absorption side of the medium-pressure compressor 12, the heat absorption side of the 2# heat exchanger 11 and the heat absorption side of the high-pressure compressor 10 and the heat absorption side of the 3# heat exchanger 9 in sequence.
The generator 1 is connected to the low-pressure cylinder turbine 2 and the high-pressure cylinder turbine 3.
The utility model discloses a concrete working process does:
in summer, the exhaust gas of the low-pressure cylinder turbine 2 passes through the 3# manual valve 23, the 3# electric valve a24, the 3# electric valve B25 and the cooler 26 in sequence, and finally reaches the cold/hot user 15; the cooler 26 may be water-cooled or air-cooled.
In winter, the exhaust gas of the low pressure cylinder turbine 2 passes through the 1# manual valve 19, the 1# electric valve a18, the 1# electric valve B17 and the 3# heater 16 in sequence, and finally reaches the cold/hot user 15; the 3# heater 16 is connected with the high-temperature heat storage tank 7 through a manual valve 27 and an electric valve 28;
the gas output by the high-pressure compressor 10 enters the gas storage chamber 8, and the gas output by the gas storage chamber 8 sequentially passes through the # 1 heater 4, the high-pressure cylinder turbine 3, the # 2 heater 5 and the low-pressure cylinder turbine 2 to generate electricity;
in spring and autumn, the 2# manual valve 20, the 2# electric valve A21 and the 2# electric valve B22 can be opened for empty discharge.
Claims (6)
1. A compressed air energy storage system integrating heat supply, refrigeration and power generation is characterized by comprising a generator (1), a low-pressure cylinder turbine (2), a high-pressure cylinder turbine (3), a # 1 heater (4), a # 2 heater (5), a normal-temperature heat storage tank (6), a high-temperature heat storage tank (7), an air storage chamber (8), a # 3 heat exchanger (9), a high-pressure compressor (10), a # 2 heat exchanger (11), a medium-pressure compressor (12), a # 1 heat exchanger (13), a low-pressure compressor (14), a cold/hot user (15), a # 3 heater (16) and a cooler (26);
the outlet of the air storage chamber (8) is communicated with the inlet of the low-pressure cylinder turbine (2) through the heat absorption side of the No. 1 heater (4), the heat absorption side of the high-pressure cylinder turbine (3) and the heat absorption side of the No. 2 heater (5) in sequence, the outlet of the low-pressure cylinder turbine (2) is divided into three paths, one path is communicated with a cold/hot user (15) through a cooler (26), and the second path is communicated with the outside; the third path is communicated with a cold/hot user (15) through the heat absorption side of the 3# heater (16);
a heat release side outlet of the 3# heater (16) is communicated with an outlet of the normal temperature heat storage tank (6) through a pipeline and a pipe and then is communicated with a heat absorption side inlet of a 1# heat exchanger (13), a heat absorption side inlet of a 2# heat exchanger (11) and a heat absorption side inlet of a 3# heat exchanger (9), a heat absorption side outlet of the 1# heat exchanger (13), a heat absorption side outlet of the 2# heat exchanger (11) and a heat absorption side outlet of the 3# heat exchanger (9) are communicated with an inlet of the high temperature heat storage tank (7), an outlet of the high temperature heat storage tank (7) is divided into three paths, one path of the three paths passes through the heat release side of the 1# heater (4) and then is communicated with the normal temperature heat storage tank (6), the other path passes through the heat release side of the 2# heater (5) and then is communicated with the normal temperature heat storage tank (6), and the third path of the three paths is communicated with a heat release side inlet of the 3# heater (16);
the outlet of the low-pressure compressor (14) is communicated with the inlet of the air storage chamber (8) through the heat absorption side of the No. 1 heat exchanger (13), the heat absorption side of the medium-pressure compressor (12), the heat absorption side of the No. 2 heat exchanger (11), the heat absorption side of the high-pressure compressor (10) and the heat absorption side of the No. 3 heat exchanger (9) in sequence;
the generator (1) is connected with the low-pressure cylinder turbine (2) and the high-pressure cylinder turbine (3).
2. The compressed air energy storage system integrating heat supply, refrigeration and power generation as claimed in claim 1, wherein the outlet of the low pressure cylinder turbine (2) is communicated with the cold/hot user (15) through a 3# manual valve (23), a 3# electric valve A (24), a 3# electric valve B (25) and a cooler (26) in sequence.
3. The integrated heating, cooling and power generation compressed air energy storage system according to claim 1, wherein the outlet of the low pressure cylinder turbine (2) is communicated with the outside through a 2# manual valve (20), a 2# electric valve A (21) and a 2# electric valve B (22).
4. The compressed air energy storage system integrating heating, refrigeration and power generation as claimed in claim 1, wherein the outlet of the low pressure cylinder turbine (2) is communicated with the cold/hot user (15) through the 1# manual valve (19), the 1# electric valve A (18), the 1# electric valve B (17) and the heat absorption side of the 3# heater (16).
5. The integrated heating, cooling and power generation compressed air energy storage system according to claim 1, wherein the outlet of the high temperature heat storage tank (7) is communicated with the heat release side inlet of the 3# heater (16) through a manual valve (27) and an electric valve (28).
6. A compressed air energy storage system with integrated heating, cooling and power generation according to claim 1, characterized in that the generator (1) is arranged coaxially with the low pressure cylinder turbine (2) and the high pressure cylinder turbine (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221016297.7U CN217107133U (en) | 2022-04-28 | 2022-04-28 | Compressed air energy storage system integrating heat supply, cold supply and power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221016297.7U CN217107133U (en) | 2022-04-28 | 2022-04-28 | Compressed air energy storage system integrating heat supply, cold supply and power generation |
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| Publication Number | Publication Date |
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| CN217107133U true CN217107133U (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221016297.7U Active CN217107133U (en) | 2022-04-28 | 2022-04-28 | Compressed air energy storage system integrating heat supply, cold supply and power generation |
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| CN (1) | CN217107133U (en) |
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- 2022-04-28 CN CN202221016297.7U patent/CN217107133U/en active Active
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