CN110459788A - A kind of fuel cell system hydrogen gas recovering device - Google Patents
A kind of fuel cell system hydrogen gas recovering device Download PDFInfo
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- CN110459788A CN110459788A CN201910874486.4A CN201910874486A CN110459788A CN 110459788 A CN110459788 A CN 110459788A CN 201910874486 A CN201910874486 A CN 201910874486A CN 110459788 A CN110459788 A CN 110459788A
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- hydrogen
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- cell system
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 144
- 239000000446 fuel Substances 0.000 title claims abstract description 74
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 140
- 239000001257 hydrogen Substances 0.000 claims abstract description 140
- 230000006835 compression Effects 0.000 claims abstract description 46
- 238000007906 compression Methods 0.000 claims abstract description 46
- 150000002431 hydrogen Chemical class 0.000 claims abstract 2
- 238000011084 recovery Methods 0.000 claims description 24
- 230000008878 coupling Effects 0.000 claims description 21
- 238000010168 coupling process Methods 0.000 claims description 21
- 238000005859 coupling reaction Methods 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000002955 isolation Methods 0.000 claims description 13
- 239000000725 suspension Substances 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04097—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with recycling of the reactants
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04111—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants using a compressor turbine assembly
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0662—Treatment of gaseous reactants or gaseous residues, e.g. cleaning
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of fuel cell system hydrogen gas recovering device, comprising: turbine-driven set is provided with air-in；Hydrogen compression set is drivingly connected with turbine-driven set, is provided with hydrogen inlet and hydrogen outlet；Fuel cell, it is provided with the output end of the input terminal of hydrogen, the input terminal of the output end of hydrogen and air, air, wherein, the input terminal of the hydrogen of fuel cell is connected to the hydrogen outlet of hydrogen compression set, the hydrogen output end of fuel cell is connected to the hydrogen inlet of hydrogen compression set, and the air output end of fuel cell is connected to the air-in of turbine-driven set.Using such fuel cell system hydrogen gas recovering device, reduces fuel battery engines from power consumption, increase the power density and the output of fuel cell net power of fuel battery engine system.
Description
Technical Field
The invention relates to the technical field of hydrogen recovery, in particular to a hydrogen recovery device of a fuel cell system.
Background
The hydrogen fuel cell uses hydrogen as a reducing agent and oxygen as an oxidizing agent, and chemical energy is converted into electric energy through the combustion reaction of the fuel. In operation, a hydrogen-oxygen fuel cell supplies hydrogen gas to a hydrogen electrode while supplying oxygen gas to an oxygen electrode. The hydrogen and oxygen pass through the electrolyte to generate water under the action of the catalyst on the electrodes. At this time, the hydrogen electrode has excess electrons and is negatively charged, and the oxygen electrode has a positive charge due to the lack of electrons. After the circuit is completed, the combustion-like reaction process can be continuously performed.
In the prior art, a compression device driven by a high-speed motor is used for recycling, the power is 400 plus 1000W, the self-consumption power of the fuel cell system can be increased, the power density of the fuel cell engine is reduced, the net power output of the fuel cell is reduced, and a dynamic sealing element between the motor and the compressor is easy to damage, so that the hydrogen leakage and lubricating medium leakage danger exist, and the potential safety hazard of burning or explosion in case of open fire exists.
Disclosure of Invention
The invention aims to provide a hydrogen recovery device of a fuel cell system driven by the air exhaust emission energy of a fuel cell.
In order to solve the above problems, the present invention provides a hydrogen recovery device for a fuel cell system, comprising: a turbine drive provided with an air input; the hydrogen compression device is in driving connection with the turbine driving device and is provided with a hydrogen inlet and a hydrogen outlet; the fuel cell is provided with a hydrogen input end, a hydrogen output end and an air output end, wherein the hydrogen input end is communicated to the hydrogen outlet, the hydrogen output end is communicated to the hydrogen inlet, and the air output end is communicated to the air input port. Further, the device also comprises a connecting device; one end of the connecting device is connected to the center of the impeller of the turbine driving device, and the other end of the connecting device is connected to the center of the impeller of the hydrogen compression device, so that the turbine driving device drives the hydrogen compression device to rotate.
Further, the turbine driving device further comprises an air outlet, and the air outlet outputs air in the turbine driving device to the atmosphere.
Further, the device also comprises a permanent magnet driving device which is arranged between the turbine driving device and the hydrogen compression device; the permanent magnet driving device includes: the magnetic rotor type magnetic motor comprises a first connecting rod, an inner magnetic rotor, an isolating sleeve, an outer magnetic rotor and a second connecting rod; one end of the first connecting rod is connected to the center of an impeller of the hydrogen compression device, and the other end of the first connecting rod is connected with the inner magnetic rotor; the isolating sleeve is sleeved outside the inner magnetic rotor; one end of the second connecting rod is embedded in one end of the outer magnetic rotor, the other end of the second connecting rod is sleeved outside the isolation sleeve, a gap is formed between the second connecting rod and the isolation sleeve, and the second connecting rod and the isolation sleeve are arranged correspondingly; the other end of the second connecting rod is connected to the center of an impeller of the turbine driving device, so that the outer magnetic rotor rotates and the inner magnetic rotor is driven to rotate through magnetic force.
Further, the permanent magnet driving device further includes: the permanent magnetic electromagnetic coupling magnetic suspension bearing is arranged between the hydrogen compression device and the turbine driving device and sleeved outside the first connecting rod; and/or the permanent magnetic electromagnetic coupling magnetic suspension bearing is sleeved outside the second connecting rod.
Furthermore, the permanent magnet driving device is provided with four permanent magnet electromagnetic coupling magnetic suspension bearings; the two permanent magnetic electromagnetic coupling magnetic suspension bearings are sleeved outside the first connecting rod and are respectively arranged on two sides of an impeller of the hydrogen compression device; the two permanent magnetic electromagnetic coupling magnetic suspension bearings are sleeved outside the second connecting rod and are respectively arranged on two sides of an impeller of the turbine driving device.
Further, the hydrogen pressure ratio at the hydrogen outlet to the hydrogen inlet of the hydrogen compression device is 0.2 to 2 times.
Further, the turbine driving device is a turbine expander; and/or the hydrogen compression device is a centrifugal hydrogen compressor.
Further, the permanent magnet driving device further includes: and the sealing ring is arranged between the isolating sleeve and the shell of the hydrogen compression device.
Further, a condensed water discharge port is formed in the bottom of the hydrogen compression device and communicated with an external automatic water drainer, and water generated by the hydrogen compression device is discharged.
The present invention also provides a fuel cell engine system comprising the fuel cell system hydrogen recovery device according to any one of claims 1 to 9 and a fuel cell engine; the hydrogen recovery device of the fuel cell system recovers hydrogen containing water and water vapor discharged by the engine of the fuel cell to a hydrogen inlet of the fuel cell and meets the requirement of the pressure of the hydrogen inlet.
The technical scheme of the invention has the following beneficial technical effects: the turbine driving device is driven by the energy discharged by the air tail gas of the fuel cell, so that the self-consumption power of the fuel cell is reduced, and the power density of an engine system of the fuel cell and the net power output of the fuel cell are increased.
Drawings
Fig. 1 is a combination diagram of a hydrogen recovery device of a fuel cell system according to the present embodiment;
fig. 2 is an exploded view of a hydrogen recovery device of a fuel cell system according to the present embodiment.
Reference numerals:
1: a turbine drive; 11: an air input port; 12: an air outlet; 2: a hydrogen compression device; 21: a hydrogen inlet; 22: a hydrogen outlet; 23: a housing of a hydrogen compression device; 3: a permanent magnet drive device; 31: a first connecting rod; 32: an inner magnetic rotor; 33: an isolation sleeve; 34: an outer magnetic rotor; 35: a permanent magnetic electromagnetic coupling magnetic suspension bearing; 36: and (5) sealing rings.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to 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 invention.
Fig. 1 is a combination diagram of a hydrogen recovery device for a fuel cell system according to the present embodiment.
Fig. 2 is an exploded view of a hydrogen recovery device of a fuel cell system according to the present embodiment.
As shown in fig. 1 to 2, the present embodiment provides a hydrogen recovery device for a fuel cell system, which includes a fuel cell, a turbine driving device 1, a hydrogen compressing device 2, and a permanent magnet driving device 3. The method comprises the following specific steps:
the fuel cell is communicated with the turbine drive device 1 and the hydrogen gas compression device 2, respectively.
The fuel cell is provided with a hydrogen input port, a hydrogen output port, and an air output port, and the turbine driving device 1 is provided with an air input port 11 and an air output port 12. The air output end of the fuel cell is communicated with the air input port 11 of the turbine driving device 1, and the rest air is input into the turbine driving device 1; the air outlet 12 of the turbine drive device 1 communicates with the atmosphere, and outputs the air in the turbine drive device 1 to the atmosphere. The pressure of air input to the turbine drive 1 from the fuel cell is greater than atmospheric pressure, and a pressure difference is generated, thereby rotating the impeller of the turbine drive 1.
The turbine driving device 1 is in driving connection with the hydrogen compression device 2 through a permanent magnet driving device 3. One end of the permanent magnet driving device 3 is connected to the center of the impeller of the turbine driving device 1, and the other end is connected to the center of the impeller of the hydrogen compression device 2, so that the turbine driving device 1 drives the hydrogen compression device 2 to rotate.
The hydrogen compression device 2 is provided with a hydrogen inlet 21 and a hydrogen outlet 22. The input end of the hydrogen of the fuel cell is communicated with the hydrogen outlet 22 of the hydrogen compression device 2, and the output end of the hydrogen is communicated with the hydrogen inlet 21. The fuel cell inputs the hydrogen which is not consumed into the hydrogen compression device 2, the impeller of the hydrogen compression device 2 rotates rapidly, and the hydrogen is pressurized and then is returned to the fuel cell engine for continuous use.
The turbine driving device 1 may employ a turbo expander, and/or the hydrogen compressing device 2 may employ a centrifugal hydrogen compressor, which is not limited herein.
In another embodiment, a permanent magnet driving device 3 is further provided, which is disposed between the turbine driving device 1 and the hydrogen gas compression device 2; the permanent magnet drive device 3 includes: a first connecting rod 31, an inner magnetic rotor 32, a spacer sleeve 33, an outer magnetic rotor 34 and a second connecting rod. One end of the first connecting rod 31 is connected to the center of the impeller of the hydrogen compression device 2, and the other end thereof is connected to the inner magnetic rotor 32; the isolation sleeve 33 is sleeved outside the inner magnetic rotor 32.
The inner magnet rotor 32 is of a hollow cylindrical structure with a first connecting rod 31 disposed at its middle position. The outer surface of the cylindrical structure is provided with one or more permanent magnet strips axially identical to the cylindrical structure. The spacer sleeve 33 is also cylindrical in configuration, with the inner magnet rotor 32 being wrapped inside the spacer sleeve 33.
Both ends of the outer magnetic rotor 34 are respectively cylindrical structures. One end of the outer magnetic rotor 34 is embedded with one end of a second connecting rod, and the other end of the second connecting rod is connected to the center of the impeller of the turbine driving device 1.
The other end of the outer magnetic rotor 34 is sleeved outside the isolation sleeve 33, and the isolation sleeve 33 isolates the inner magnetic rotor 32 from the outer magnetic rotor 34. The inner diameter of the outer magnetic rotor 34 is larger than the outer diameter of the spacer sleeve 33, so that a certain gap is provided between the outer magnetic rotor 34 and the spacer sleeve 33. The inner diameter of one end of the outer magnetic rotor 34, on which the spacer sleeve 33 is fitted, is larger than the inner diameter of the end provided with the second connecting rod. The outer magnetic rotor 34 is arranged corresponding to the inner magnetic rotor 32; the inner surface of the cylindrical structure of the outer magnetic rotor 34 is provided with one or more permanent magnet bars. These permanent magnet strips are arranged opposite the permanent magnet strips of the inner magnet rotor 32. The two magnetic strips of the inner rotor and the outer rotor have the same polarity and can be S or N poles at the same time. This arrangement allows the outer magnetic rotor 34 to rotate while simultaneously magnetically driving the inner magnetic rotor 32 to rotate.
In another embodiment, unlike the previous embodiments, the hydrogen pressure at the hydrogen outlet 22 of the hydrogen compression device 2 is 0.2 to 2 times the hydrogen pressure at the hydrogen inlet 21; and/or the pressure of the air at the air input 11 of the turbine drive 1 is 1-2 times the pressure of the air at the air output 12.
In another embodiment, unlike the previous embodiment, the permanent magnet driving device 3 further includes: the permanent magnet electromagnetic coupling magnetic bearing 35. The permanent magnetic electromagnetic coupling magnetic bearing 35 is arranged between the hydrogen compression device 2 and the turbine driving device 1, can be sleeved outside the first connecting rod 31, or can be sleeved outside the second connecting rod, and can also be sleeved outside the first connecting rod 31 and outside the second connecting rod. The friction of the permanent magnet driving device 3 in the rotating process can be reduced by the arrangement, so that the permanent magnet driving device 3 can rotate more smoothly. It should be noted that the position of the permanent-magnet electromagnetic coupling magnetic bearing 35 is not fixed, and can be set at any position of the permanent-magnet driving device 3.
In another embodiment, different from the previous embodiment, the permanent magnet driving device 3 is provided with four permanent magnet electromagnetic coupling magnetic bearings 35; wherein, the two permanent magnetic electromagnetic coupling magnetic bearings 35 are sleeved outside the first connecting rod 31 and are respectively arranged at two sides of the impeller of the hydrogen compression device 2; the other two permanent magnetic electromagnetic coupling magnetic bearings 35 are sleeved outside the second connecting rod and are respectively arranged on two sides of the impeller of the turbine driving device 1.
In another embodiment, different from the previous embodiment, the permanent magnetic driving device 3 is provided with two permanent magnetic electromagnetic coupling magnetic bearings 35, and the two permanent magnetic electromagnetic coupling magnetic bearings 35 are sleeved outside the first connecting rod 31 and are respectively arranged at two sides of the impeller of the hydrogen compression device 2.
In another embodiment, different from the previous embodiment, the permanent magnet driving device 3 is provided with two permanent magnet electromagnetic coupling magnetic bearings 35, and the two permanent magnet electromagnetic coupling magnetic bearings 35 are sleeved outside the second connecting rod and are respectively arranged at two sides of the impeller of the turbine driving device 1.
In another embodiment, different from the previous embodiment, the bottom of the hydrogen compressor 2 is provided with a condensed water discharge port, which is communicated with an external automatic drainer, and automatically discharges water generated by the hydrogen compressor 2 at any time, and only discharges water without leakage.
In another embodiment, different from the previous embodiment, the hydrogen recycling device of the fuel cell system is further provided with a sealing ring 36, the sealing ring 36 is arranged between the isolation sleeve 33 and the housing of the hydrogen compression device 2, so that the housing of the hydrogen compression device 2 and the isolation sleeve 33 are attached more tightly, the isolation sleeve 33 is ensured to be a relatively sealed space, the isolation sleeve 33 is non-magnetic and non-electric, the inner magnetic rotor 32 and the outer magnetic rotor 34 are ensured to rotate simultaneously, and hydrogen leakage is prevented.
The invention also provides a fuel cell power system, which comprises a hydrogen recovery device of the fuel cell system and a fuel cell engine; the hydrogen recovery device of the fuel cell system recovers hydrogen containing water and water vapor discharged by the engine of the fuel cell to a hydrogen inlet of the fuel cell and meets the requirement of the pressure of the hydrogen inlet.
The specific working principle of the technical scheme of the invention is as follows:
the fuel cell inputs air into the turbine driving device 1, the air drives an impeller of the turbine driving device 1 to rotate, the rotating impeller drives an outer magnetic rotor 34 in driving connection with the rotating impeller to rotate, the outer magnetic rotor 34 drives an inner magnetic rotor 32 to rotate by utilizing magnetic field force, the inner magnetic rotor 32 drives an impeller of a hydrogen compression device 2 in driving connection with the inner magnetic rotor 32 to rotate rapidly, low-pressure hydrogen input into the hydrogen compression device 2 from the fuel cell is subjected to increasing processing, and then the pressurized hydrogen is input back to the fuel cell.
The technical scheme of the invention has the following beneficial technical effects: the turbine driving device 1 is driven by the energy discharged by the air exhaust gas from the fuel cell, so that the self-consumption power of the fuel cell is reduced, and the power density of the engine system of the fuel cell and the net power output of the fuel cell are increased.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A fuel cell system hydrogen recovery device characterized by comprising:
a turbine drive device (1) provided with an air inlet (11);
the hydrogen compression device (2) is in driving connection with the turbine driving device (1) and is provided with a hydrogen inlet (21) and a hydrogen outlet (22);
and the fuel cell is provided with an input end of hydrogen, an output end of the hydrogen and an output end of air, wherein the input end of the hydrogen is communicated to the hydrogen outlet (22), the output end of the hydrogen is communicated to the hydrogen inlet (21), and the output end of the air is communicated to the air input port (11).
2. The fuel cell system hydrogen recovery device according to claim 1, wherein the turbine driving device (1) further includes an air outlet (12),
the air outlet (12) outputs air in the turbine drive device (1) to the atmosphere.
3. The fuel cell system hydrogen recovery device according to claim 1, further comprising a permanent magnet drive device (3) provided between the turbine drive device (1) and the hydrogen compression device (2);
the permanent magnet drive device (3) comprises: the magnetic rotor type magnetic motor comprises a first connecting rod (31), an inner magnetic rotor (32), an isolating sleeve (33), an outer magnetic rotor (34) and a second connecting rod; wherein,
one end of the first connecting rod (31) is connected to the center of an impeller of the hydrogen compression device (2), and the other end of the first connecting rod is connected with the inner magnetic rotor (32);
the isolating sleeve (33) is sleeved outside the inner magnetic rotor (32);
one end of the second connecting rod is embedded in one end of the outer magnetic rotor (34), the other end of the second connecting rod is sleeved outside the isolation sleeve (33), a gap is formed between the second connecting rod and the isolation sleeve (33), and the second connecting rod and the inner magnetic rotor (32) are arranged correspondingly; the other end of the second connecting rod is connected to the center of an impeller of the turbine driving device (1); the outer magnetic rotor (34) is rotated and the inner magnetic rotor (32) is driven to rotate by magnetic force.
4. The fuel cell system hydrogen recovery device according to claim 3, wherein the permanent magnet drive device (3) further comprises:
the permanent magnetic electromagnetic coupling magnetic suspension bearing (35) is arranged between the hydrogen compression device (2) and the turbine driving device (1) and sleeved outside the first connecting rod (31); and/or the permanent magnetic electromagnetic coupling magnetic suspension bearing (35) is sleeved outside the second connecting rod.
5. The fuel cell system hydrogen recovery device according to claim 4, wherein the permanent magnet driving device (3) is provided with four permanent magnet electromagnetic coupling magnetic bearings (35);
the two permanent magnetic electromagnetic coupling magnetic bearings (35) are sleeved outside the first connecting rod (31) and are respectively arranged on two sides of an impeller of the hydrogen compression device (2);
the two permanent magnetic electromagnetic coupling magnetic bearings (35) are sleeved outside the second connecting rod and are respectively arranged on two sides of the impeller of the turbine driving device (1).
6. The fuel cell system hydrogen recovery device according to claim 1,
the hydrogen pressure ratio at the hydrogen outlet (22) to the hydrogen inlet (21) of the hydrogen compression device (2) is 0.2 to 2 times.
7. The fuel cell system hydrogen recovery device according to claim 1,
the turbine driving device (1) is a turbine expander; and/or the presence of a gas in the gas,
the hydrogen compression device (2) is a centrifugal hydrogen compressor.
8. The fuel cell system hydrogen recovery device according to claim 4, wherein the permanent magnet drive device (3) further comprises:
and a seal ring (36) disposed between the spacer sleeve (33) and the housing (23) of the hydrogen compression device.
9. The hydrogen reclamation apparatus as recited in claim 1, wherein a condensed water discharge port is provided at the bottom of the hydrogen compression device (2), and the condensed water discharge port is communicated with an external automatic drainer to discharge water generated by the hydrogen compression device (2).
10. A fuel cell system comprising the fuel cell system hydrogen recovery device according to any one of claims 1 to 9 and a fuel cell engine;
the hydrogen recovery device of the fuel cell system recovers hydrogen containing water and water vapor discharged by the engine of the fuel cell to a hydrogen inlet of the fuel cell and meets the requirement of the pressure of the hydrogen inlet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019107918036 | 2019-08-26 | ||
| CN201910791803 | 2019-08-26 |
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| Publication Number | Publication Date |
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| CN110459788A true CN110459788A (en) | 2019-11-15 |
| CN110459788B CN110459788B (en) | 2024-03-22 |
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| CN201910874486.4A Active CN110459788B (en) | 2019-08-26 | 2019-09-17 | Hydrogen recovery device of fuel cell system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342092A (en) * | 2020-02-15 | 2020-06-26 | 江苏大学 | Vehicle fuel cell tail gas treatment device and method based on intelligent control |
| CN112377432A (en) * | 2020-10-27 | 2021-02-19 | 北京新能源汽车技术创新中心有限公司 | Circulating pump, circulating device and fuel cell system |
| CN113764700A (en) * | 2021-08-09 | 2021-12-07 | 东风汽车集团股份有限公司 | Fuel-electric system, control method of fuel-electric system and vehicle |
| CN114914483A (en) * | 2022-07-14 | 2022-08-16 | 深圳市世椿智能装备股份有限公司 | Hydrogen recovery device of fuel cell system |
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