CN211265627U - Hydrogen fuel cell engine using liquid oxygen as auxiliary agent - Google Patents
Hydrogen fuel cell engine using liquid oxygen as auxiliary agent Download PDFInfo
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- CN211265627U CN211265627U CN202020268592.6U CN202020268592U CN211265627U CN 211265627 U CN211265627 U CN 211265627U CN 202020268592 U CN202020268592 U CN 202020268592U CN 211265627 U CN211265627 U CN 211265627U
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- fuel cell
- hydrogen fuel
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- hydrogen
- pure oxygen
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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
A hydrogen fuel cell engine using liquid oxygen as an auxiliary agent comprises a hydrogen fuel cell group, a raw material pipeline and an air pipeline which enter the hydrogen cell group, wherein a pure oxygen pipeline is sleeved at the periphery of the air pipeline which enters the hydrogen fuel cell group in a clearance manner, the upper end of the pure oxygen pipeline is hermetically connected with the air pipeline, the lower end of the pure oxygen pipeline is hermetically connected with a shell of the hydrogen fuel cell group, and an opening at the middle end of the pure oxygen pipeline is communicated with a pure oxygen storage tank through a pipeline; the hydrogen fuel battery pack supplies power to the energy storage battery, and the energy storage battery is connected with the motor through the power transmission line, and the motor is connected with the engine. Compared with the prior hydrogen fuel cell which uses methanol/air as raw material, the utility model uses liquid oxygen to promote chemical reaction, so that the service life of the catalytic electrolyte of the cell is prolonged by more than 10 percent compared with the service life of the original methanol/air hydrogen fuel cell; the combustion efficiency of the hydrogen fuel cell aircraft engine is improved to more than 66% from the original 60%. The utility model can also be used for the hydrogen fuel cell automobile engine.
Description
Technical Field
The utility model relates to an engine field indicates a hydrogen fuel cell engine of using liquid oxygen as auxiliary agent especially.
Background
The combustion efficiency of hydrogen fuel cell engines is well recognized to be > 60% and is the highest among fuel engines. But the endurance capacity of the prior hydrogen fuel cell aeroengine is not more than 200 kilometers. One of the reasons for the low endurance is that the anode box is filled with air, the electrochemical reaction is slow due to the serious shortage of oxygen supply, and the catalyst is easy to be polluted and deactivated. Therefore, pure liquid oxygen is introduced into the catalytic reaction box to promote the electrochemical reaction and reduce the air intake, and the method is an energy clean use technology.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hydrogen fuel cell engine with auxiliary agent is done to liquid oxygen improves engine efficiency.
Therefore, the utility model adopts the technical scheme that:
a hydrogen fuel cell engine using liquid oxygen as an auxiliary agent comprises a hydrogen fuel cell group, a raw material pipeline and an air pipeline which enter the hydrogen cell group, wherein a pure oxygen pipeline is sleeved at the periphery of the air pipeline which enters the hydrogen fuel cell group in a clearance manner, the upper end of the pure oxygen pipeline is hermetically connected with the air pipeline, the lower end of the pure oxygen pipeline is hermetically connected with a shell of the hydrogen fuel cell group, and an opening at the middle end of the pure oxygen pipeline is communicated with a pure oxygen storage tank through a pipeline; the hydrogen fuel battery pack supplies power to the energy storage battery, and the energy storage battery is connected with the motor through the power transmission line, and the motor is connected with the engine.
And the energy storage battery is provided with a charging external power plug.
The periphery of a raw material pipeline entering the hydrogen fuel battery pack is sleeved with a hydrogen and carbon dioxide gas discharge pipe orifice in a clearance mode, the upper end of the hydrogen and carbon dioxide gas discharge pipe orifice is hermetically connected with the raw material pipeline, the lower end of the hydrogen and carbon dioxide gas discharge pipe orifice is hermetically connected with a hydrogen fuel battery pack shell, and the hydrogen and carbon dioxide gas are led out from an opening at the middle end of the hydrogen and carbon dioxide gas discharge pipe orifice.
The upper end of the hydrogen fuel battery pack is provided with a water vapor discharge pipe orifice, and the bottom of the hydrogen fuel battery pack is provided with a liquid water discharge pipe orifice.
The utility model discloses well aircraft start uses energy storage battery electric power when rising, starts the electricity generation of hydrogen fuel cell group, injects the pure oxygen and promotes the hydrogen ion reaction completely in order to reduce the hydrogen evacuation. Compared with the prior hydrogen fuel cell which uses methanol/air as raw material, the utility model uses liquid oxygen to promote chemical reaction, so that the service life of the catalytic electrolyte of the cell is prolonged by more than 10 percent compared with the service life of the original methanol/air hydrogen fuel cell; the combustion efficiency of the hydrogen fuel cell aircraft engine is improved to more than 66% from the original 60%. The utility model can also be used for the hydrogen fuel cell automobile engine.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention and the effects thereof will be further explained with reference to the accompanying drawings.
Referring to fig. 1, a hydrogen fuel cell engine using liquid oxygen as an auxiliary agent comprises a hydrogen fuel cell stack 1, and a raw material pipeline and an air pipeline which enter the hydrogen fuel cell stack, wherein a pure oxygen pipeline is sleeved at the periphery of the air pipeline 7 which enters the hydrogen fuel cell stack, the upper end of the pure oxygen pipeline is hermetically connected with the air pipeline, the lower end of the pure oxygen pipeline is hermetically connected with a shell of the hydrogen fuel cell stack, and a middle end opening is communicated with a pure oxygen storage tank through a pipeline 6; the hydrogen fuel cell stack 1 supplies power to an energy storage battery 5, and the energy storage battery 5 is connected with a motor 2 through a power transmission line 4, and the motor 2 is connected with a propeller 3. Pure oxygen enters the hydrogen fuel cell stack through the pure oxygen pipe, and methanol or liquid hydrogen dehydrogenation is promoted in the catalytic electrolyte to accelerate chemical reaction, so that the electromotive force is enhanced; the generated electronic displacement outputs current and voltage through the lead and enters the energy storage battery. The energy storage battery outputs stable electric energy according to the instruction to drive the generator and the propeller to rotate, and thrust is provided for the airplane. The pure oxygen pipeline and the original air pipeline are sleeved to reduce the connecting interfaces and ensure the tightness of the whole set of equipment.
The energy storage battery is provided with a charging external power plug 12, and the aircraft can charge the storage battery by filling fuel, so that 50% of cruising mileage can be increased.
The periphery of a raw material pipeline 8 entering the hydrogen fuel battery pack is sleeved with a hydrogen and carbon dioxide gas discharge pipe 9 in a clearance mode, the upper end of the hydrogen and carbon dioxide gas discharge pipe 9 is hermetically connected with the raw material pipeline 8, the lower end of the hydrogen and carbon dioxide gas discharge pipe is hermetically connected with the shell of the hydrogen fuel battery pack, and the hydrogen and carbon dioxide gas are led out from the opening of the middle end of the hydrogen and carbon dioxide gas discharge pipe. The purpose of the sleeved arrangement of the raw material pipeline 8 and the hydrogen and carbon dioxide gas discharge pipe 9 is to reduce the connection interface and ensure the tightness and the simplicity of the structure of the whole set of equipment.
The upper end of the hydrogen fuel battery pack 1 is provided with a water vapor discharge pipe orifice 11, and the bottom is provided with a liquid water discharge pipe orifice 10. The bottom sets up the drain pipe mouth not only can discharge liquid water fast and keep catalyst activity, improves group battery maintenance efficiency moreover.
The present invention will be described below by taking an aircraft engine and an automobile engine as examples.
Case 1: a raw material system of a certain type of hydrogen fuel cell aeroengine is 5.0M3The raw material liquid methane tank is respectively arranged to be liquid methanol 3.0M32.0M of industrial oxygen3A storage tank. Compared with the catalyst of the original methanol/air fuel cell, the liquid oxygen promoted reaction hydrogen fuel cell of the invention has the catalyst service life prolonged by more than 10 percent. The combustion efficiency of the hydrogen fuel cell aircraft engine is improved to more than 66% from the original 60%, and the cruising mileage is increased by more than 1 time.
Case 2: a certain model 80-ton load long chassis van-type freight car is provided with a liquid oxygen supply system on the basis of the existing hydrogen fuel cell engine; simultaneously, the original square fuel tank is reformed to be 0.4M3The fuel tank is divided into 0.2M liquid methanol3And liquid technical oxygen 0.2M3Cylindrical carbon fiber fuel tank. Use the utility model discloses afterwards, change liquid hydrogen and liquid oxygen storage tank for the freight simultaneously. The endurance of the long chassis freight car is improved by more than 8 percent. The power of the hydrogen fuel cell engine is improved by more than 5%.
Claims (4)
1. A hydrogen fuel cell engine using liquid oxygen as an auxiliary agent comprises a hydrogen fuel cell group, a raw material pipeline and an air pipeline which enter the hydrogen cell group, and is characterized in that a pure oxygen pipeline is sleeved at the periphery of the air pipeline (7) which enters the hydrogen fuel cell group, the upper end of the pure oxygen pipeline is hermetically connected with the air pipeline, the lower end of the pure oxygen pipeline is hermetically connected with a shell of the hydrogen fuel cell group, and a middle end opening is communicated with a pure oxygen storage tank through a pipeline (6); the hydrogen fuel cell stack (1) supplies power to the energy storage battery (5), the energy storage battery (5) is connected with the motor (2) through the power transmission line (4), and the motor (2) is connected with the propeller (3).
2. The hydrogen fuel cell engine using liquid oxygen as an auxiliary agent according to claim 1, wherein the energy storage battery (5) is provided with an external power plug (12) for charging.
3. A hydrogen fuel cell engine using liquid oxygen as an auxiliary agent according to claim 1, characterized in that the raw material pipe (8) entering the hydrogen fuel cell stack is sleeved with a hydrogen and carbon dioxide gas discharge pipe orifice (9) at the periphery thereof, the upper end of the hydrogen and carbon dioxide gas discharge pipe orifice (9) is hermetically connected with the raw material pipe (8), the lower end is hermetically connected with the hydrogen fuel cell stack shell, and the middle end is opened to lead out the hydrogen and carbon dioxide gas.
4. A hydrogen fuel cell engine using liquid oxygen as an auxiliary agent according to claim 1 or 2, characterized in that the upper end of the hydrogen fuel cell stack (1) is provided with a water vapor discharge pipe orifice (11), and the bottom is provided with a liquid water discharge pipe orifice (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020268592.6U CN211265627U (en) | 2020-03-06 | 2020-03-06 | Hydrogen fuel cell engine using liquid oxygen as auxiliary agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020268592.6U CN211265627U (en) | 2020-03-06 | 2020-03-06 | Hydrogen fuel cell engine using liquid oxygen as auxiliary agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211265627U true CN211265627U (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020268592.6U Active CN211265627U (en) | 2020-03-06 | 2020-03-06 | Hydrogen fuel cell engine using liquid oxygen as auxiliary agent |
Country Status (1)
| Country | Link |
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| CN (1) | CN211265627U (en) |
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2020
- 2020-03-06 CN CN202020268592.6U patent/CN211265627U/en active Active
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