CN219140882U - Combined heat and power system for laboratory - Google Patents
Combined heat and power system for laboratory Download PDFInfo
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- CN219140882U CN219140882U CN202223312042.8U CN202223312042U CN219140882U CN 219140882 U CN219140882 U CN 219140882U CN 202223312042 U CN202223312042 U CN 202223312042U CN 219140882 U CN219140882 U CN 219140882U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The application relates to the field of fuel cells and discloses a cogeneration system for a laboratory, which can recycle redundant heat energy of the fuel cell in the laboratory and realize self-sufficient cogeneration for the laboratory. The system includes a plurality of fuel cells, a plurality of heat exchangers, a first thermostatic waterbath, and a radiator. A first circulation system is formed between the fuel cell and the heat exchanger, a second circulation system is formed between the heat exchanger and the first constant temperature water tank, and a third circulation system is formed between the first constant temperature water tank and the radiator. The first circulation system is configured to flow the coolant in the fuel cell into the heat exchanger for heat exchange and then back to the fuel cell. The second circulation system is configured to flow water in the first constant temperature water tank into the heat exchanger for heat exchange and then flow back into the first constant temperature water tank. The third circulation system is configured to activate the radiator and reduce the temperature of the first thermostatic waterbath below a predetermined value when the temperature of the first thermostatic waterbath exceeds the predetermined value.
Description
Technical Field
The present application relates to the field of fuel cells, and in particular to a cogeneration system for a laboratory.
Background
A fuel cell is a device that produces water and electricity from the reaction of hydrogen and oxygen. In a large process of power generation of a fuel cell, there is a large amount of heat generation, which is a basic chemical reaction-generating effect. The heat of the cooling liquid loop is generally recovered to provide heat for residential buildings in the current cogeneration project on the market. Typically such projects require a very large capital investment and are not suitable for small laboratory applications.
Disclosure of Invention
The purpose of the application is to provide a cogeneration system for a laboratory, which can recover redundant heat energy of a fuel cell in the laboratory and realize self-sufficient cogeneration for the laboratory.
The application discloses cogeneration system for laboratory, including: a plurality of fuel cells (1), a plurality of heat exchangers (2), a first constant temperature water tank (3) and a radiator (4);
a first circulation system is formed between the fuel cell (1) and the heat exchanger (2), a second circulation system is formed between the heat exchanger (2) and the first constant temperature water tank (3), and a third circulation system is formed between the first constant temperature water tank (3) and the radiator (4);
the first circulation system is configured to enable the cooling liquid in the fuel cell (1) to flow into the heat exchanger (2) for heat exchange and then flow back to the fuel cell (1);
the second circulation system is configured to enable water in the first constant temperature water tank (3) to flow into the heat exchanger (2) for heat exchange and then flow back into the first constant temperature water tank (3);
the third circulation system is configured to activate the radiator (4) and reduce the temperature of the first thermostatic waterbath (3) below a predetermined value when the temperature of the first thermostatic waterbath (3) exceeds the predetermined value.
In a preferred embodiment, the device further comprises a second constant temperature water tank (5), wherein a fourth circulation system is formed between the first constant temperature water tank (3) and the second constant temperature water tank (5);
the fourth circulation system enables water in the second constant temperature water tank (5) to exchange heat with water in the first constant temperature water tank (3) and then flow back to the second constant temperature water tank (5).
In a preferred embodiment, the second circulation system comprises a water pump P 2 Valve V 2 ；
The water delivery pump P 2 Is configured to control whether the water in the first thermostatic water bath (3) is pumped into the heat exchanger (2) through a water delivery hose;
the valve V 2 Is configured to control whether the water in the heat exchanger (2) flows into the first constant temperature water tank (3).
In a preferred embodiment, the third circulation system comprises a water pump P 3 Valve V 3 ；
The water delivery pump P 3 Is configured to control whether the water in the first thermostatic water bath (3) is pumped into the radiator (4) through a water hose;
the valve V 3 Is configured to control whether water in the radiator (4) flows into the first thermostatic water bath (3).
In a preferred embodiment, the fourth circulation system comprises a water pump P 4 Valve V 4 ；
The water delivery pump P 4 Is configured to control whether the water in the second thermostatic basin (5) is pumped into the first thermostatic basin (3) through a water delivery hose;
the valve V 4 Is configured to control whether the water in the radiator (4) flows into the first constant temperature water tank (3), and the valve V is arranged after the temperature of the water in the second constant temperature water tank (5) reaches a preset value 4 And (5) disconnecting.
In a preferred embodiment, a temperature sampling controller is arranged in the radiator (4);
the temperature sampling controller is configured to detect a temperature of water in the first thermostatic waterbath (3), and to activate the radiator (4) when the temperature of water in the first thermostatic waterbath (3) is higher than a predetermined value.
In a preferred embodiment, the first thermostatic water bath (3) accommodates 2m 3 -10m 3 Is a water source.
In a preferred embodiment, the second thermostatic water bath (5) accommodates 2m 3 -10m 3 Is a water source.
In a preferred embodiment, a water supply outlet is also arranged on the second constant temperature water tank (5);
the water supply outlet is configured to be connected with a water supply hose through which water reaching a predetermined temperature flows out of the constant temperature water reservoir for daily use in a laboratory.
In a preferred embodiment, the first constant temperature water tank (3) is also provided with a water inlet and a water outlet.
In a preferred embodiment, the fuel cell (1), the heat exchanger (2), the water pump P 2 Valve V 2 Is positioned in a test room in a laboratory;
the first constant temperature water tank (3), the second constant temperature water tank (5), the radiator (4) and the water delivery pump P 3 Said valve V 3 The water delivery pump P 4 And the valve V 4 Outside the test room in the laboratory.
In this embodiment, fuel cell and heat exchanger intercommunication, heat exchanger and first constant temperature pond intercommunication make unnecessary heat energy of fuel cell can get into in the heat exchanger through the coolant liquid to make water and the coolant liquid that first constant temperature pond got into in the heat exchanger can carry out heat exchange, make the temperature in the first constant temperature pond promote.
The radiator is adopted, and the water in the first constant temperature water tank can be started or stopped according to the water temperature of the first constant temperature water tank, so that the water in the first constant temperature water tank is stabilized at a proper temperature.
The valve and the water delivery pump are adopted, so that whether water flows or not can be flexibly controlled according to the water temperature of the first constant temperature water tank, and the water temperature in the first constant temperature water tank is controlled.
In the present application, a number of technical features are described in the specification, and are distributed in each technical solution, which makes the specification too lengthy if all possible combinations of technical features (i.e. technical solutions) of the present application are to be listed. In order to avoid this problem, the technical features disclosed in the above summary of the present application, the technical features disclosed in the following embodiments and examples, and the technical features disclosed in the drawings may be freely combined with each other to constitute various new technical solutions (these technical solutions are all regarded as being already described in the present specification) unless such a combination of technical features is technically impossible. For example, in one example, feature a+b+c is disclosed, in another example, feature a+b+d+e is disclosed, and features C and D are equivalent technical means that perform the same function, technically only by alternative use, and may not be adopted simultaneously, feature E may be technically combined with feature C, and then the solution of a+b+c+d should not be considered as already described because of technical impossibility, and the solution of a+b+c+e should be considered as already described.
Drawings
Fig. 1 is a schematic diagram of a system architecture according to one embodiment of the present application.
Reference numerals illustrate:
1-a fuel cell; 2-a heat exchanger; 3-a first constant temperature water tank; 4-a heat sink; 5-a second constant temperature water tank; P2-Water delivery Pump P 2 The method comprises the steps of carrying out a first treatment on the surface of the V2-valve V 2 The method comprises the steps of carrying out a first treatment on the surface of the P3-Water delivery Pump P 3 The method comprises the steps of carrying out a first treatment on the surface of the V3-valve V 3 The method comprises the steps of carrying out a first treatment on the surface of the P4-water-conveying pump P 4 The method comprises the steps of carrying out a first treatment on the surface of the V4-valve V 4 。
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be understood by those skilled in the art that the claimed utility model may be practiced without these specific details and with various changes and modifications from the embodiments that follow.
Specific implementations of the utility model are described in detail below with reference to specific embodiments and the accompanying drawings:
fig. 1 shows a schematic system configuration of a cogeneration system for a laboratory, comprising a plurality of fuel cells (1), a plurality of heat exchangers (2), a first thermostatic water bath (3), and a radiator (4). A first circulation system is formed between the fuel cell (1) and the heat exchanger (2), a second circulation system is formed between the heat exchanger (2) and the first constant temperature water tank (3), and a third circulation system is formed between the first constant temperature water tank (3) and the radiator (4). Optionally, a temperature sampling controller is arranged in the radiator (4), and the temperature sampling controller is configured to detect the temperature of water in the first constant temperature water tank (3), and when the temperature of the water in the first constant temperature water tank (3) is higher than a preset value, the radiator (4) is started. The heat exchanger (2) is preferably a plate heat exchanger, but may also be a tube heat exchanger or another type of heat exchanger. The radiator (4) can be a radiating fan or other devices with radiating effect. The number of the fuel cells (1) is in one-to-one correspondence with the number of the heat exchangers (2), and the number of the fuel cells (1) can be adjusted according to the actual conditions of a laboratory.
The first circulation system is configured to enable cooling liquid in the fuel cell (1) to flow into the heat exchanger (2) for heat exchange and then flow back to the fuel cell (1), the second circulation system is configured to enable cooling liquid in the first constant temperature water tank (3) to flow into the heat exchanger (2) for heat exchange and then flow back to the first constant temperature water tank (3), and in the operation process of the fuel cell, the cooling liquid is higher in temperature and then enters the heat exchanger (2) for heat exchange with water entering the heat exchanger (2) in the first constant temperature water tank (3), so that the water temperature in the first constant temperature water tank (3) can be increased. The third circulation system is configured to activate the radiator (4) and to reduce the temperature of the first thermostatic waterbath (3) below a predetermined value when the temperature of the first thermostatic waterbath (3) exceeds the predetermined value.
The second circulation system comprises a water delivery pump P 2 Valve V 2 Water delivery pump P 2 Is configured to control whether the water in the first constant temperature water tank (3) is pumped into the heat exchanger (2) through the water delivery hose, and a valve V 2 Is configured to control whether the water in the heat exchanger (2) flows into the first constant temperature water tank (3), and when the water temperature in the first constant temperature water tank (3) exceeds a preset value, the water delivery pump P 2 And valve V 2 Closing, and opening when the water temperature in the first constant temperature water tank (3) is lower than a preset value.
The third circulation system comprises a water delivery pump P 3 Valve and method for manufacturing sameV 3 Water delivery pump P 3 Is configured to control whether the water in the first constant temperature water tank (3) is pumped into the radiator (4) through the water delivery hose, and a valve V 3 Is configured to control whether the water in the radiator (4) flows into the first constant temperature water tank (3), the redundant heat energy of the fuel cell continuously increases the water temperature of the first constant temperature water tank (3), and when the water temperature in the first constant temperature water tank (3) exceeds a preset value, the water delivery pump P 3 And valve V 3 Opening the radiator (2) to work; when the water temperature in the first constant temperature water tank (3) is lower than a preset value, the water delivery pump P 3 And valve V 3 And closing, and stopping the heat radiator (2). The water in the first constant temperature water tank (3) can be maintained at a proper temperature through the combination and linkage operation of the second circulation system and the third circulation system.
The cogeneration system can also comprise a second constant temperature water tank (5), a fourth circulation system is formed between the first constant temperature water tank (3) and the second constant temperature water tank (5), and the fourth circulation system enables water in the second constant temperature water tank (5) and water in the first constant temperature water tank (3) to flow back to the second constant temperature water tank (5) after heat exchange. The second constant temperature water tank (5) can be further provided with a water supply outlet, the water supply outlet is configured to be connected with a water supply hose, and water reaching a preset temperature flows out of the second constant temperature water tank (5) through the water supply hose for daily use in a laboratory. Wherein the fourth circulation system comprises a water conveying pump P 4 Valve V 4 Water delivery pump P 4 Is configured to control whether the water in the second constant temperature water tank (5) is pumped into the first constant temperature water tank (3) through the water delivery hose, and a valve V 4 Is configured to control whether the water in the radiator (4) flows into the first constant temperature water tank (3), and a water delivery pump P is used after the temperature of the water in the second constant temperature water tank (5) reaches a preset value 4 And valve V 4 And closing the first constant temperature water tank (3) so that the second constant temperature water tank (5) does not exchange heat with the first constant temperature water tank.
The first constant temperature water tank (3) and the second constant temperature water tank (5) can respectively contain 2m 3 -10m 3 Preferably each containing 4m of water 3 Is a water source. The valve mentioned above may be a two-way valve or may be replaced by a pipe clamp, as long as it is able to control whether the liquid is flowing or not.
The first constant temperature water tank (3) can be further provided with a water inlet and a water outlet, and when the water in the first constant temperature water tank (3) is less than a preset value, new water is added from the water inlet, or when the water in the first constant temperature water tank (3) needs to be replaced, the water in the first constant temperature water tank (3) is discharged from the water outlet.
Fuel cell (1), heat exchanger (2), water pump P 2 Valve V 2 In a test room in a laboratory, a first constant temperature water tank (3), a second constant temperature water tank (5), a radiator (4) and a water delivery pump P 3 Valve V 3 Water delivery pump P 4 Valve V 4 Outside the test room in the laboratory.
It should be noted that in the present patent application, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. In the present patent application, if it is mentioned that an action is performed according to an element, it means that the action is performed at least according to the element, and two cases are included: the act is performed solely on the basis of the element and is performed on the basis of the element and other elements. Multiple, etc. expressions include 2, 2 times, 2, and 2 or more, 2 or more times, 2 or more.
All documents mentioned in the present application are considered to be included in the disclosure of the present application in their entirety, so that they may be subject to modification if necessary. Further, it will be understood that various changes or modifications may be made to the present application by those skilled in the art after reading the foregoing disclosure of the present application, and such equivalents are intended to fall within the scope of the present application as claimed.
Claims (10)
1. A cogeneration system for a laboratory, comprising: a plurality of fuel cells (1), a plurality of heat exchangers (2), a first constant temperature water tank (3) and a radiator (4);
a first circulation system is formed between the fuel cell (1) and the heat exchanger (2), a second circulation system is formed between the heat exchanger (2) and the first constant temperature water tank (3), and a third circulation system is formed between the first constant temperature water tank (3) and the radiator (4);
the first circulation system is configured to enable the cooling liquid in the fuel cell (1) to flow into the heat exchanger (2) for heat exchange and then flow back to the fuel cell (1);
the second circulation system is configured to enable water in the first constant temperature water tank (3) to flow into the heat exchanger (2) for heat exchange and then flow back into the first constant temperature water tank (3);
the third circulation system is configured to activate the radiator (4) and reduce the temperature of the first thermostatic waterbath (3) below a predetermined value when the temperature of the first thermostatic waterbath (3) exceeds the predetermined value.
2. Cogeneration system for a laboratory according to claim 1, further comprising a second thermostatic basin (5), said first thermostatic basin (3) and said second thermostatic basin (5) forming a fourth circulation system therebetween;
the fourth circulation system enables water in the second constant temperature water tank (5) to exchange heat with water in the first constant temperature water tank (3) and then flow back to the second constant temperature water tank (5).
3. The cogeneration system for a laboratory of claim 2, wherein the second circulation system comprises a water feed pump P 2 Valve V 2 ；
The conveying deviceWater pump P 2 Is configured to control whether the water in the first thermostatic water bath (3) is pumped into the heat exchanger (2) through a water delivery hose;
the valve V 2 Is configured to control whether the water in the heat exchanger (2) flows into the first constant temperature water tank (3).
4. The cogeneration system for a laboratory of claim 1, wherein the third circulation system comprises a water feed pump P 3 Valve V 3 ；
The water delivery pump P 3 Is configured to control whether the water in the first thermostatic water bath (3) is pumped into the radiator (4) through a water hose;
the valve V 3 Is configured to control whether water in the radiator (4) flows into the first thermostatic water bath (3).
5. The cogeneration system for a laboratory of claim 2, wherein the fourth circulation system comprises a water feed pump P 4 Valve V 4 ；
The water delivery pump P 4 Is configured to control whether the water in the second thermostatic basin (5) is pumped into the first thermostatic basin (3) through a water delivery hose;
the valve V 4 Is configured to control whether the water in the radiator (4) flows into the first constant temperature water tank (3), and the valve V is arranged after the temperature of the water in the second constant temperature water tank (5) reaches a preset value 4 And closing.
6. Cogeneration system for a laboratory according to claim 1, characterized in that a temperature sampling controller is provided inside said radiator (4);
the temperature sampling controller is configured to detect a temperature of water in the first thermostatic waterbath (3), and to activate the radiator (4) when the temperature of water in the first thermostatic waterbath (3) is higher than a predetermined value.
7. Cogeneration system for laboratories according to claim 1, characterized in that the first thermostatic basin (3) accommodates 2m 3 -10m 3 Is a water source.
8. Cogeneration system for laboratories according to claim 2, characterized in that the second thermostatic basin (5) contains 2m inside 3 -10m 3 Is a water source.
9. Cogeneration system for laboratories according to claim 2, characterized in that the second thermostatic basin (5) is also provided with a water supply outlet;
the water supply outlet is configured to be connected with a water supply hose through which water reaching a predetermined temperature flows out of the second thermostatic water bath (5) for daily use in a laboratory.
10. Cogeneration system for a laboratory according to claim 3, characterized in that said fuel cell (1), said heat exchanger (2), said water delivery pump P 2 Valve V 2 Is positioned in a test room in a laboratory;
the first constant temperature water tank (3), the second constant temperature water tank (5), the radiator (4) and the water delivery pump P 3 Said valve V 3 The water delivery pump P 4 And the valve V 4 Outside the test room in the laboratory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223312042.8U CN219140882U (en) | 2022-12-09 | 2022-12-09 | Combined heat and power system for laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223312042.8U CN219140882U (en) | 2022-12-09 | 2022-12-09 | Combined heat and power system for laboratory |
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| Publication Number | Publication Date |
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| CN219140882U true CN219140882U (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223312042.8U Active CN219140882U (en) | 2022-12-09 | 2022-12-09 | Combined heat and power system for laboratory |
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| CN (1) | CN219140882U (en) |
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- 2022-12-09 CN CN202223312042.8U patent/CN219140882U/en active Active
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