CN216342360U - Fuel cell waste gas energy recovery system - Google Patents
Fuel cell waste gas energy recovery system Download PDFInfo
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- CN216342360U CN216342360U CN202121515680.2U CN202121515680U CN216342360U CN 216342360 U CN216342360 U CN 216342360U CN 202121515680 U CN202121515680 U CN 202121515680U CN 216342360 U CN216342360 U CN 216342360U
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Abstract
The utility model discloses a fuel cell waste gas energy recovery system, which comprises a turbine generator, wherein the turbine generator comprises a turbine, a waste gas inlet, a waste gas outlet and a power generation mechanism; the air compressor is provided with a motor and a turbine generator for driving the motor, and the turbine generator is connected with a plug connector on the motor through a circuit; a turbine generator mechanism is independently added in a fuel cell working system, is specially used for recovering energy in waste gas, is used for generating electricity for an air compressor, can reduce the electric energy consumption of an external power supply, and improves the working efficiency of a galvanic pile; the independent electric turbine recovery mechanism is used, besides energy recovery, matching of the air compressor and the turbine can be simple, the air compressor and the turbine can be designed in a highest efficiency area, matching of a galvanic pile system is relatively simple, high efficiency is easy to obtain, and the independent turbine generator mechanism can adopt the ball bearing, so that the risks of water inflow and icing caused by vapor or liquid water in waste gas are relieved.
Description
Technical Field
The utility model relates to the technical field of fuel cells, in particular to a fuel cell waste gas energy recovery system.
Background
With the tightening of emission regulations, the technology of hydrogen fuel cells is gradually popularized, and as a core part air compressor for providing air for the hydrogen fuel cells, the air compressor also starts to enter the field of industry.
The patent aims to design a hydrogen fuel cell waste gas energy recovery system which is used for recovering redundant energy in waste gas after the reaction of the fuel cell and reducing energy waste.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.
The present invention has been made in view of the above-mentioned problems of the conventional fuel cell.
It is therefore an object of the present invention to provide a fuel cell exhaust energy recovery system.
In order to solve the technical problems, the utility model provides the following technical scheme: the system comprises a turbine generator, wherein the turbine generator comprises a turbine, an exhaust gas inlet, an exhaust gas outlet and a power generation mechanism; the air compressor machine, the inside motor that is provided with of air compressor machine, turbo generator through with the motor with the air compressor machine is connected.
As a preferable aspect of the fuel cell exhaust gas energy recovery system of the present invention, wherein: the air compressor comprises a high-pressure stage and a low-pressure stage, an air filter is arranged at the end of the low-pressure stage through a pipeline, an interstage pipeline is arranged between the low-pressure stage and the high-pressure stage, and an intercooler is connected to the side of the high-pressure stage.
As a preferable aspect of the fuel cell exhaust gas energy recovery system of the present invention, wherein: intercooler one end with the air compressor machine is connected, and the other end is connected with the humidifier, humidifier one end is provided with the pile.
As a preferable aspect of the fuel cell exhaust gas energy recovery system of the present invention, wherein: the other end of the humidifier is connected with the turbine.
As a preferable aspect of the fuel cell exhaust gas energy recovery system of the present invention, wherein: the turbine is connected to the humidifier through the exhaust gas inlet.
As a preferable aspect of the fuel cell exhaust gas energy recovery system of the present invention, wherein: and a silencer is arranged at one end of the turbine and is connected with an exhaust gas outlet on the turbine through a pipeline.
As a preferable aspect of the fuel cell exhaust gas energy recovery system of the present invention, wherein: and a first bypass valve is arranged between the turbine generator and the air compressor, and two ends of the first bypass valve are respectively connected with an exhaust gas inlet of the turbine generator and a gas outlet of the air compressor.
As a preferable aspect of the fuel cell exhaust gas energy recovery system of the present invention, wherein: and the outlet end of the humidifier is connected with a second bypass valve in parallel.
The utility model has the beneficial effects that: according to the utility model, a turbine generator mechanism is independently added in the fuel cell working system, is specially used for recovering energy in waste gas, and is used for generating electricity for an air compressor, so that the electric energy consumption of an external power supply can be reduced, and the working efficiency of the electric pile is improved; the use of a separate electric turbine recovery mechanism, in addition to recovering energy, has the following advantages: firstly, the matching of the compressor and the turbine is simpler, and both the compressor and the turbine can be designed in a highest efficiency area; the matching of the galvanic pile system is relatively simple, and high efficiency is easy to obtain; and the independent turbine generator mechanism can adopt a ball bearing, so that the risks of water inflow and icing caused by vapor or liquid water in waste gas are relieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic view showing the overall configuration of the fuel cell exhaust energy recovery system of the present invention.
Fig. 2 is a schematic structural diagram of an air compressor according to the fuel cell waste gas energy recovery system of the present invention.
Fig. 3 is a schematic view of a turbine structure of the fuel cell exhaust energy recovery system of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Furthermore, the present invention is described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, the cross-sectional view illustrating the structure of the device is not enlarged partially according to the general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Example 1
Referring to fig. 1, there is provided an overall structural schematic diagram of a fuel cell exhaust gas energy recovery system, as shown in fig. 1, which includes a turbo generator 100 and an air compressor 200.
Specifically, the turbo generator 100 is connected to the air compressor 200, wherein the turbo generator 100 includes a turbine 101, an exhaust gas inlet 102, an exhaust gas outlet 103, and a power generation mechanism 104, a motor 201 is connected to the air compressor 200, and the motor 201 is connected to the turbo generator 100, so that the turbo generator 100 can generate electric energy and transmit the electric energy to the air compressor 200 for use.
Further, the turbine generator 100 is connected with the air compressor 200 through the motor 201, wherein the turbine generator 100 is used for driving the motor 201, the turbine generator 100 performs work-doing power generation under the driving of the exhaust gas through the turbine 101 on the turbine generator 100 so as to drive the motor 201 to rotate, and the motor 201 drives the air compressor 200 to rotate, so that the compressed air is used by the fuel cell.
Example 2
Referring to fig. 1 to 3, this embodiment is different from the first embodiment in that: the air compressor 200 comprises a high-pressure stage 202 and a low-pressure stage 203, an air filter 204 is arranged at the end of the low-pressure stage 203 through a pipeline, an interstage pipeline 205 is arranged between the low-pressure stage 203 and the high-pressure stage 202, and an intercooler 206 is connected to the side of the high-pressure stage 202, wherein the high-pressure stage 202 and the low-pressure stage 203 of the air compressor 200 are in two-stage compression, external air can be subjected to two-stage compression, the air filter 204 is used for filtering the external air, and the interstage pipeline 205 is used for enabling the external air to enter the high-pressure stage 202 for secondary compression after the low-pressure stage 203 is compressed and then passes through the interstage pipeline 205.
Specifically, one end of the intercooler 206 is connected to the air compressor 200, the other end of the intercooler is connected to the humidifier 300, one end of the humidifier 300 is provided with the stack 400, the other end of the humidifier 300 is connected to the turbo-generator 100, the turbo-generator 100 is connected to the humidifier 300 through the exhaust gas inlet 102, wherein the intercooler 206 is used for cooling the compressed air discharged from the high-pressure stage 202, and the humidifier 300 is used for humidifying the discharged compressed air, thereby preventing the fuel cell from being burned out due to high temperature, and meanwhile, the compressed air with moisture in the humidifier can also play a role of cooling, and the stack 400 is used for providing a place for chemical reaction between air and hydrogen, and providing electric energy output for the whole system.
Further, a muffler 207 is arranged at one end of the turbine generator 100, the muffler 207 is connected with the exhaust gas outlet 103 of the turbine generator 100 through a pipeline, a first bypass valve 301 is arranged between the turbine generator 100 and the air compressor 200, and two ends of the first bypass valve 301 are respectively connected with the exhaust gas inlet 102 of the turbine generator 100 and the gas outlet of the air compressor 200, wherein the muffler 207 is used for reducing noise generated when exhaust gas is exhausted, and the first bypass valve 301 is used for providing a bypass branch, so that compressed air exhausted from the air compressor 200 can be directly introduced into the turbine generator 100 under the condition that the air quantity required by the stack 400 is small and the compressed air is too much, thereby reducing the air flow entering the stack 400, and meanwhile, the bypassed air can also be used for the turbine generator 100 to recover energy for power generation.
Further, a second bypass valve 302 is connected in parallel to an outlet end of the humidifier 300, and the second bypass valve 302 is arranged to selectively circulate the compressed air through the humidifier 300 according to the humidity of the air in the fuel cell, so as to control the humidity of the air in the fuel cell, and particularly, when the water content in the stack 400 is too high, the second bypass valve 302 is opened, so as to reduce the water content in the stack 400.
The specific working principle and the flow are as follows: air enters the air compressor 200 after being filtered by the air filter 204, after being pressurized by the electric air compressor 200, the compressed air enters the electric pile 400 of the fuel cell to perform chemical reaction with hydrogen to generate electricity, because energy generated by the chemical reaction of the air and the hydrogen cannot be completely used for generating electricity, the electric pile can discharge waste gas with certain temperature and pressure, the waste gas flows into the special turbine generator 100 to push the turbine 101 in the special turbine generator to rotate, and then the turbine shaft is driven to rotate and is converted into electric energy through the magnet coil and the like to be consumed by the air compressor 200; the energy in the waste gas can be recovered by the fuel cell energy recovery system, and the energy can be used for generating power by a turbine motor to be used by an air compressor, so that the working efficiency of the electric pile is improved, and the external electric energy consumption can be reduced.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the utility model, or those unrelated to enabling the utility model).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should 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 of the present invention, which should be covered by the claims of the present invention.
Claims (6)
1. A fuel cell exhaust energy recovery system characterized by: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a turbine generator (100), the turbine generator (100) comprising a turbine (101), an exhaust gas inlet (102) and an exhaust gas outlet (103), and a power generation mechanism (104); a silencer (207) is arranged at one end of the turbine generator (100), and the silencer (207) is connected with an exhaust gas outlet (103) on the turbine generator (100) through a pipeline;
the air compressor (200), a motor (201) is arranged inside the air compressor (200), and the turbine generator (100) is connected with the air compressor (200) through a connector clip on the motor (201) through a line; a first bypass valve (301) is arranged between the turbine generator (100) and the air compressor (200), and two ends of the first bypass valve (301) are respectively connected with an exhaust gas inlet (102) of the turbine generator (100) and a gas outlet of the air compressor (200).
2. The fuel cell exhaust energy recovery system according to claim 1, characterized in that: the air compressor (200) comprises a high-pressure stage (202) and a low-pressure stage (203), an air filter (204) is arranged at the end of the low-pressure stage (203) through a pipeline, an interstage pipeline (205) is arranged between the low-pressure stage (203) and the high-pressure stage (202), and an intercooler (206) is connected to the side of the high-pressure stage (202).
3. The fuel cell exhaust energy recovery system according to claim 2, characterized in that: intercooler (206) one end with air compressor machine (200) are connected, and the other end is connected with humidifier (300), humidifier (300) one end is provided with galvanic pile (400).
4. The fuel cell exhaust energy recovery system according to claim 3, characterized in that: the other end of the humidifier (300) is connected with the turbine generator (100).
5. The fuel cell exhaust energy recovery system according to claim 3 or 4, characterized in that: the turbine generator (100) is connected to the humidifier (300) via the exhaust gas inlet (102).
6. The fuel cell exhaust energy recovery system according to claim 5, characterized in that: and a second bypass valve (302) is arranged at the outlet end of the humidifier (300) in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121515680.2U CN216342360U (en) | 2021-07-05 | 2021-07-05 | Fuel cell waste gas energy recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121515680.2U CN216342360U (en) | 2021-07-05 | 2021-07-05 | Fuel cell waste gas energy recovery system |
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| CN216342360U true CN216342360U (en) | 2022-04-19 |
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| CN202121515680.2U Active CN216342360U (en) | 2021-07-05 | 2021-07-05 | Fuel cell waste gas energy recovery system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116053521A (en) * | 2023-03-31 | 2023-05-02 | 北京重理能源科技有限公司 | Fuel cell air supply system and method |
| CN117832560A (en) * | 2024-03-04 | 2024-04-05 | 氢质氢离(北京)氢能科技有限公司 | Fuel cell system capable of comprehensively improving utilization rate of tail rows of electric pile |
-
2021
- 2021-07-05 CN CN202121515680.2U patent/CN216342360U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116053521A (en) * | 2023-03-31 | 2023-05-02 | 北京重理能源科技有限公司 | Fuel cell air supply system and method |
| CN117832560A (en) * | 2024-03-04 | 2024-04-05 | 氢质氢离(北京)氢能科技有限公司 | Fuel cell system capable of comprehensively improving utilization rate of tail rows of electric pile |
| CN117832560B (en) * | 2024-03-04 | 2024-05-10 | 氢质氢离(北京)氢能科技有限公司 | Fuel cell system capable of comprehensively improving utilization rate of tail rows of electric pile |
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