CN113036178A - Engine and solid oxide fuel cell combined power system - Google Patents
Engine and solid oxide fuel cell combined power system Download PDFInfo
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- CN113036178A CN113036178A CN202110236163.XA CN202110236163A CN113036178A CN 113036178 A CN113036178 A CN 113036178A CN 202110236163 A CN202110236163 A CN 202110236163A CN 113036178 A CN113036178 A CN 113036178A
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- 239000000446 fuel Substances 0.000 title claims abstract description 104
- 239000007787 solid Substances 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 51
- 238000002156 mixing Methods 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 230000008016 vaporization Effects 0.000 claims abstract description 28
- 238000002407 reforming Methods 0.000 claims abstract description 23
- 238000009834 vaporization Methods 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 12
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000008236 heating water Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 52
- 238000006722 reduction reaction Methods 0.000 abstract description 5
- 239000002918 waste heat Substances 0.000 abstract description 5
- 238000005457 optimization Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- 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
- H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
- H01M8/0612—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
- H01M8/0618—Reforming processes, e.g. autothermal, partial oxidation or steam reforming
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
- F02G5/02—Profiting from waste heat of exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/36—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for adding fluids other than exhaust gas to the recirculation passage; with reformers
-
- 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
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/40—Combination of fuel cells with other energy production systems
- H01M2250/407—Combination of fuel cells with mechanical energy generators
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention discloses an engine and solid oxide fuel cell combined power system, which relates to the field of design optimization of power machinery systems and energy systems, and comprises an SOFC liquid fuel supply device, an SOFC device and an engine; the SOFC liquid fuel supply device comprises a liquid fuel source, a vaporization device, a first pressurization mixing device and a pre-reforming device; the liquid fuel source is introduced into a vaporizing device, is subjected to vaporization reaction by the vaporizing device, is introduced into a first pressurized mixing device, is mixed with water vapor, is introduced into a pre-reforming device for reforming, and is communicated to the anode of the SOFC device for oxidation reaction; inputting compressed air to the cathode of the SOFC device for reduction reaction; the tail gas of the engine provides heat required by the SOFC liquid fuel supply device and the SOFC device for operation through a heat exchanger. The system can effectively utilize the waste heat of the tail gas of the engine to provide a temperature environment for the operation of the SOFC device.
Description
Technical Field
The invention relates to the field of design optimization of power mechanical systems and energy systems, in particular to a combined power system of an engine and a solid oxide fuel cell.
Background
With the increasing severity of the environmental pollution problem and the energy exhaustion problem, the efficient utilization of the energy of the engine exhaust and the energy saving and emission reduction of the whole automobile become the trends and requirements of the industry development in the current stage. Solid Oxide Fuel Cells (SOFC) are widely used as a kind of mobile power source because of their advantages such as high power generation efficiency and low emission.
Due to the limitation of the problems of long heat resistance, long start-up time and the like of the material, the low temperature (less than or equal to 600 ℃) of the SOFC is a trend and a requirement of industry development. The temperature of the tail gas of the automobile engine is highly consistent with the requirement of low temperature (less than or equal to 600 ℃) in the SOFC device. Most of SOFC reaction gas fuel is CO and CO2、H2And the like, are difficult to obtain and have certain dangerousness in daily use.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to overcome the defects in the prior art and provide a combined power system of an engine and a solid oxide fuel cell; the system can effectively utilize the waste heat of the tail gas of the engine to provide a temperature environment for the operation of the SOFC device.
The technical scheme is as follows: an engine and solid oxide fuel cell combined power system comprises an SOFC liquid fuel supply device, an SOFC device and an engine; the SOFC liquid fuel supply device comprises a liquid fuel source, a vaporization device, a first pressurization mixing device and a pre-reforming device; the liquid fuel source is introduced into a vaporizing device, is subjected to vaporization reaction by the vaporizing device, is introduced into a first pressurized mixing device, is mixed with water vapor and is introduced into a pre-reforming device, and is communicated to the anode of the SOFC device for oxidation reaction after being reformed; inputting compressed air to the cathode of the SOFC device for reduction reaction; the tail gas of the engine provides heat required by the SOFC liquid fuel supply device and the SOFC device for operation through a heat exchanger.
Further, the heat exchanger comprises a first heat exchanger, a second heat exchanger and a third heat exchanger; the engine tail gas generated by the engine sequentially passes through the first heat exchanger, the second heat exchanger and the third heat exchanger; the tail gas of the engine passes through a third heat exchanger and then outputs third-stage heat which is used for providing heat for a vaporizing device to vaporize liquid fuel; the tail gas of the engine passes through a second heat exchanger and then outputs second-stage heat which is used for heating water into steam and then introducing the steam into a pre-reforming device to be mixed with the vaporized liquid fuel; the engine tail gas outputs primary heat after passing through the first heat exchanger, and is used for high-temperature reforming of the pre-reforming device and providing a temperature operation environment for the SOFC device.
Further, when the liquid fuel source is a fuel capable of being combusted in an engine, a part of the liquid fuel source is communicated to the vaporizing device; the other part is led to the engine to provide fuel for the engine.
Further, where the liquid fuel source is a fuel that is not combustible in the engine, the system also includes an engine fuel source that provides fuel to the engine.
Further, the system further includes an EGR system, a second pressurized mixing device, and a third pressurized mixing device;
the tail gas generated by the SOFC device and the engine tail gas passing through the first heat exchanger, the second heat exchanger and the third heat exchanger in sequence are introduced into a second pressurizing and mixing device, and a tail gas mixture is formed after pressurizing and mixing and is introduced into an EGR system; and the tail gas mixed gas is treated by the EGR system and then is introduced into the third pressurizing and mixing device, and the tail gas mixed gas is mixed with the compressed air introduced into the third pressurizing and mixing device and is introduced into the engine as fuel mixed gas of the engine.
Furthermore, the system also comprises a tail collecting device, wherein one part of the tail gas mixture is introduced into the EGR system, and the other part of the tail gas mixture is introduced into the tail collecting device.
Further, the system includes an air compressor, and the compressed air introduced into the cathode of the SOFC device and into the third pressurized mixing device is produced by the air compressor.
Further, the system also comprises a water tank and a water pump; the water pump inputs water in the water tank into the second heat exchanger, and the water is vaporized into water vapor by using the second-stage heat and then is introduced into the pre-reforming device to be mixed with the vaporized liquid fuel.
Further, the liquid fuel source is one of gasoline, alcohol and ether.
Further, the liquid fuel source is arranged in a fuel storage device, and the electric energy output by the SOFC device is used for supplying power to electrical appliances in the vehicle; the engine is used for automobile operation.
Has the advantages that:
(1) the liquid fuel of the SOFC device used in the invention meets the requirement of low temperature (less than or equal to 600 ℃) of the SOFC device after being vaporized by the waste heat of the engine tail gas, and the engine tail gas can provide an operating temperature environment for the SOFC device through a heat exchanger.
(2) The liquid fuel is used as the anode fuel of a Solid Oxide Fuel Cell (SOFC) after being vaporized, and the applicability of the SOFC in a power mechanical device can be effectively improved.
(3) The energy of the tail gas of the engine is utilized in a gradient manner, the overall efficiency and the energy utilization rate of the system can be obviously improved, and the limit of the working place of the traditional SOFC is broken through particularly in the aspect of providing the working temperature for the SOFC by utilizing the waste heat of the tail gas.
(4) The invention utilizes the tail gas of the engine to carry out energy gradient utilization, provides heat for different stages of vaporization, reforming and mixing of liquid fuel required by the SOFC device through the heat exchanger, provides heat with different temperature levels through the first heat exchanger, the second heat exchanger and the third heat exchanger which are sequentially connected, and directionally gives the heat to different reaction devices, and the energy utilization rate is high.
(5) The engine exhaust can also provide an operating temperature environment for the SOFC device through the first heat exchanger.
(6) The invention is also provided with an EGR system (namely an exhaust gas recirculation system) which improves the fuel utilization rate and simultaneouslyCan also reduce the pollutants (NO) of the systemx) The system is further improved in economy and energy conservation.
(7) When the liquid fuel source is gasoline, alcohol, ether and other fuels, the liquid fuel source can be used as the anode reaction gas of the SOFC device after being vaporized and can also be used as engine fuel. When the system is applied to a fuel automobile, the engine device and the SOFC device can share one liquid fuel source, namely gasoline, so that the system has the characteristics of high thermal efficiency, low emission, energy conservation, environmental protection and the like, and has higher economical efficiency and practicability.
(8) The system of the invention and the engine cooling system can share one water tank.
Drawings
FIG. 1 is a schematic diagram of an engine and SOFC device of the present invention sharing a fuel source;
FIG. 2 is a schematic illustration of the engine and SOFC device of the present invention with separate fuel sources;
reference numbers in the figures:
1 is a source of liquid fuel; 2 is an air compressor; 3 is a water tank; 4 is a water pump; 5 is an engine; 6 is SOFC device; 7 is a vaporization device; 8 is a pre-reforming device; 9 is an EGR system; 10 a second pressurized mixing device, 11 a second pressurized mixing device and 12 a first pressurized mixing device; 13 is a first heat exchanger; 14 is a second heat exchanger; 15 is a third heat exchanger; 16 is a tail gas collecting device; and 17 is the engine fuel source.
Detailed Description
When the liquid fuel source is one of gasoline, alcohol and ether, the engine and the SOFC device can share one liquid fuel source, the structure schematic diagram of which is shown in figure 1, and when the liquid fuel source is fuel which can not be combusted in the engine, the system also comprises an engine fuel source for supplying fuel to the engine, and the structure schematic diagram of which is shown in figure 2.
The technical solution of the present invention will be described in detail below by taking gasoline as an example of a liquid fuel source, but the scope of the present invention is not limited to the examples.
As shown in fig. 1, the invention relates to an engine and solid oxide fuel cell combined power system, which comprises a liquid fuel source 1, an air compressor 2, a water tank 3, a water pump 4, an engine 5, an SOFC device 6, a vaporizing device 7, a pre-reforming device 8, an EGR system 9 and an exhaust gas collecting device 16; the device also comprises a first pressurizing and mixing device 10, a second pressurizing and mixing device 11 and a second pressurizing and mixing device 12; a first heat exchanger 13, a second heat exchanger 14, a third heat exchanger 15, and a tail gas collecting device 16. A portion of the liquid fuel source 1 is passed to a vaporization unit 7; the other part is passed to the engine 5 to provide fuel to the engine 5.
The liquid fuel source 1 after the vaporization reaction of the vaporization device 7 is introduced into a first pressurizing mixing device 10 to be mixed with water vapor and then introduced into a pre-reforming device 8, and is communicated to the anode of the SOFC device 6 for oxidation reaction after being reformed; compressed air is fed to the cathode of the SOFC device 6 for reduction.
Engine exhaust gas generated by the engine 5 passes through the first heat exchanger 13, the second heat exchanger 14 and the third heat exchanger 15 in sequence; the tail gas of the engine passes through a third heat exchanger 15 and then outputs third-stage heat which is used for providing heat for the vaporizing device 7 to vaporize liquid fuel; the tail gas of the engine outputs second-stage heat after passing through the second heat exchanger 14, the water pump 4 inputs water in the water tank 3 into the second heat exchanger 14, and the water is vaporized into steam by utilizing the second-stage heat and then is introduced into the pre-reforming device 8 to be mixed with the vaporized liquid fuel. The engine exhaust passes through the first heat exchanger 13 and outputs a first stage of heat for the high temperature reforming of the pre-reformer 8 and to provide an operating environment for the SOFC device 6.
And the tail gas generated by the SOFC device 6 and the engine tail gas passing through the first heat exchanger 13, the second heat exchanger 14 and the third heat exchanger 15 in sequence are introduced into a second pressurizing and mixing device 11, a tail gas mixed gas is formed after pressurizing and mixing, one part of the tail gas mixed gas is introduced into the EGR system 9, and the other part of the tail gas mixed gas is introduced into the tail collecting device 16. The exhaust gas mixture treated by the EGR system 9 is introduced into the third pressurizing and mixing device 12, and mixed with the compressed air introduced into the third pressurizing and mixing device 12 and introduced into the engine 5 as a fuel mixture of the engine 5. The recycling of tail gas generated by the SOFC device 6 and engine tail gas is realized, and the tail gas emission is reduced.
The compressed air that is passed to the cathode of SOFC device 6 and to third pressurized mixing device 12 is produced by air compressor 2. The electric energy output by the SOFC device 6 is used for supplying power to electrical appliances in the vehicle; the engine 5 is used for vehicle operation.
The connection relationship of each port of each device in the invention is as follows:
the liquid fuel source 1 is arranged in a fuel storage device, the fuel storage device is provided with two output ends, the first output end is connected with the vaporizing device 7, and the second output end is connected with the engine.
The vaporization device 7 is provided with two input ends and one output end, wherein the first input end is connected with the first output end of the fuel storage device, the second input end is connected with the third heat exchanger 15, and the output end is connected with the first pressurizing and mixing device 10.
The first pressurized mixing device 10 is provided with two input ends and one output end, wherein the first input end is connected with the output end of the vaporizing device 7, the second input end is connected with the second heat exchanger 14, and the output end is connected with the pre-reforming device 8, and is used for mixing the water vapor and the vaporized liquid fuel and conveying the mixture into the pre-reforming device 8.
The pre-reformer 8 is provided with two inputs, one connected to the first heat exchanger 13, a second input connected to the output of the first pressurized mixing device 10, and an output connected to the anode of the SOFC device 6 for feeding the reformed mixture to the anode of the SOFC device 6 for electrochemical reaction.
The first heat exchanger 13 has an input connected to the engine 5 and an output connected to the second heat exchanger 14, and an output connected to the first input of the pre-reformer 8 and the SOFC device 6, respectively, for supplying heat to the pre-reformer 8 and the SOFC device 6.
The second heat exchanger 14 is provided with two input ends and two output ends, the first input end is connected with the first output end of the first heat exchanger, the second input end is connected with the water pump, and water in the water tank 3 is vaporized into steam in the second heat exchanger 14 by utilizing tail gas heat; the first output is connected to the second input of the first pressurized mixing device 10 and the second output is connected to the third heat exchanger 15.
The third heat exchanger 15 is provided with an input connected to the second output of the second heat exchanger 14, and with a first output connected to the second input of the vaporizing device 7 for delivering the heat required for vaporizing the liquid fuel, and with a second output connected to the second pressure mixing device 11.
The SOFC device 6 is provided with three input ends and two output ends, namely an anode input end, a cathode input end, an input end I, a tail gas output end and an electric energy output end; the first input end is connected with the second output end of the first heat exchanger 13, the anode input end is connected with the output end of the pre-reforming device 8, the cathode input end is connected with the air compressor 2, the tail gas output end is connected with the second pressurizing and mixing device 11, and the electric energy output end is used for outputting electric energy to supply electric energy to the interior of the vehicle for operation.
The engine 5 is provided with two input ends and two output ends, wherein the first input end is connected with the second output end of the fuel storage device, the second input end is connected with the third pressurizing and mixing device 12, the first output end is connected with the first heat exchanger 13 and used for conveying engine tail gas, and the second output end is used for outputting heat energy generated by combustion of fuel in the engine, so that the heat energy is converted into mechanical energy to ensure normal operation of an automobile.
The air compressor 2 is provided with two outputs, one of which is connected to the cathode of the SOFC device for inputting air to the cathode for electrochemical reaction, and the second of which is connected to the third pressurized mixing device 12.
The third pressurized mixing device 12 has two inputs, one input connected to the second output of the air compressor 2, the second input connected to the output of the EGR system, and the second output connected to the second input of the engine 5.
The second pressurized mixing device 11 is provided with two inputs and two outputs, the first input being connected to the tail gas output of the SOFC device for transporting SOFC tail gas, the second input being connected to the second output of the third heat exchanger 15, the first output being connected to the input of the EGR device 9, and the second output being connected to the input of the tail gas collection device 16.
The invention aims to provide the SOFC device with liquid fuels such as gasoline, alcohols, ethers and the like which are easy to obtain, utilize and vaporize. The normal operation of the SOFC device is guaranteed, meanwhile, the SOFC device and the engine are coupled together, the waste heat of the tail gas of the engine is utilized in a gradient mode, fuel is vaporized, necessary working temperature is provided for the operation of the SOFC, the EGR device is added into the SOFC device, the tail gas of the engine is fully utilized, the practicability and the economical efficiency are good, and the purposes of energy conservation, emission reduction, simplicity and high efficiency are achieved.
As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various modifications, additions and substitutions for those embodiments described herein may be made by those skilled in the art without departing from the spirit and scope of the invention as defined in the accompanying claims.
Claims (10)
1. An engine and solid oxide fuel cell combined power system is characterized by comprising an SOFC liquid fuel supply device, an SOFC device (6) and an engine (5);
the SOFC liquid fuel supply device comprises a liquid fuel source (1), a vaporization device (7), a first pressurizing and mixing device (10) and a pre-reforming device (8); the liquid fuel source (1) is introduced into a vaporizing device (7), is subjected to vaporization reaction through the vaporizing device (7), is introduced into a first pressurized mixing device (10), is mixed with water vapor, is introduced into a pre-reforming device (8), and is communicated to the anode of the SOFC device (6) for oxidation reaction after being reformed; feeding compressed air to the cathode of the SOFC device (6) for reduction;
the tail gas of the engine provides heat required by the SOFC liquid fuel supply device and the SOFC device (6) for operation through a heat exchanger.
2. The engine and solid oxide fuel cell combined power system of claim 1, wherein the heat exchanger comprises a first heat exchanger (13), a second heat exchanger (14), and a third heat exchanger (15);
the engine tail gas generated by the engine (5) sequentially passes through a first heat exchanger (13), a second heat exchanger (14) and a third heat exchanger (15); the tail gas of the engine passes through a third heat exchanger (15) and then outputs third-stage heat which is used for providing heat for a vaporizing device (7) to vaporize liquid fuel; the tail gas of the engine passes through a second heat exchanger (14) and then outputs second-stage heat which is used for heating water into steam, and then the steam is introduced into a pre-reforming device (8) to be mixed with the vaporized liquid fuel; the engine exhaust gas outputs first stage heat after passing through the first heat exchanger (13) for high temperature reforming of the pre-reformer (8) and providing a temperature operating environment for the SOFC device (6).
3. The engine and solid oxide fuel cell combined power system of claim 1, wherein when the liquid fuel source (1) is a fuel that can be combusted in an engine, a portion of the liquid fuel source (1) is passed to a vaporization device (7); the other part is led into the engine (5) to provide fuel for the engine (5).
4. The engine and solid oxide fuel cell combined power system of claim 1, wherein when the liquid fuel source (1) is a fuel that is not combustible in the engine (5), the system further comprises an engine fuel source (17) that provides fuel to the engine (5).
5. The engine and solid oxide fuel cell combined power system of claim 2, characterized in that the system further comprises an EGR system (9), a second pressurized mixing device (11) and a third pressurized mixing device (12);
the tail gas generated by the SOFC device (6) and the engine tail gas passing through the first heat exchanger (13), the second heat exchanger (14) and the third heat exchanger (15) in sequence are introduced into a second pressurizing and mixing device (11), and a tail gas mixture formed by pressurizing and mixing is introduced into an EGR system (9); and the tail gas mixture is treated by an EGR system (9) and then is introduced into a third pressurizing and mixing device (12), and the tail gas mixture is mixed with compressed air introduced into the third pressurizing and mixing device (12) and introduced into the engine (5) as fuel mixture of the engine (5).
6. The engine and solid oxide fuel cell combined power system of claim 5, further comprising an exhaust collection device (16), wherein a portion of the exhaust gas mixture is passed to the EGR system (9) and a portion is passed to the exhaust collection device (16).
7. The engine and solid oxide fuel cell combined power system of claim 5, further comprising an air compressor (2), wherein the compressed air to the cathode of the SOFC device (6) and to the third pressurized mixing device (12) is produced by the air compressor (2).
8. The engine and solid oxide fuel cell combined power system of claim 5, further comprising a water tank (3) and a water pump (4); the water pump (4) inputs the water in the water tank (3) into the second heat exchanger (14), and the water is vaporized into steam by using the second-stage heat and then is introduced into the pre-reforming device (8) to be mixed with the vaporized liquid fuel.
9. The engine and solid oxide fuel cell combined power system of claim 2, wherein the liquid fuel source (1) is one of gasoline, alcohol, ether.
10. The engine and solid oxide fuel cell combined power system of claim 2, wherein the liquid fuel source (1) is housed in a fuel storage device, and the SOFC device (6) is operable to output electrical power for powering electrical equipment in the vehicle; the engine (5) is used for operating a motor vehicle.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115172803A (en) * | 2022-08-17 | 2022-10-11 | 西安交通大学 | Novel temperature-controllable ammonia gas fuel cell-rotor engine hybrid device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101155706A (en) * | 2003-11-19 | 2008-04-02 | 壳牌氢气有限责任公司 | Generating syngas for nox regeneration combined with fuel cell auxiliary power generation |
| CN201902241U (en) * | 2010-12-23 | 2011-07-20 | 河北新能电力集团有限公司 | Generating device utilizing discharge smoke waste heat of gas turbine engine |
| CN102820480A (en) * | 2011-06-09 | 2012-12-12 | 通用电气公司 | Fuel cell and gas turbine hybrid generating system and power generation method implemented by same |
| KR20170076920A (en) * | 2015-12-24 | 2017-07-05 | 현대중공업 주식회사 | Ship |
| KR20180002365A (en) * | 2016-06-29 | 2018-01-08 | 한국기계연구원 | Fuel cell-engine hybrid power generation system with multi-stage reformer structure |
| CN207572466U (en) * | 2017-12-25 | 2018-07-03 | 晋城市阿邦迪能源有限公司 | vehicle-mounted fuel cell power generation system |
| JP2019008866A (en) * | 2017-06-20 | 2019-01-17 | 三菱自動車工業株式会社 | Fuel cell system |
| CN110077221A (en) * | 2019-04-19 | 2019-08-02 | 西安交通大学 | A kind of solid oxide fuel cell and internal combustion engine combined power system and its operation method |
| CN110356216A (en) * | 2019-07-04 | 2019-10-22 | 广东索特能源科技有限公司 | A kind of hybrid power system and method for fuel cell and cylinder engine |
| CN111900432A (en) * | 2020-06-11 | 2020-11-06 | 山东大学 | Solid oxide fuel cell system, power-cooling combined supply system and method thereof |
| CN112349926A (en) * | 2020-09-29 | 2021-02-09 | 中国电子科技集团公司第十八研究所 | Vehicle-mounted fuel cell system capable of being started quickly |
-
2021
- 2021-03-03 CN CN202110236163.XA patent/CN113036178A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101155706A (en) * | 2003-11-19 | 2008-04-02 | 壳牌氢气有限责任公司 | Generating syngas for nox regeneration combined with fuel cell auxiliary power generation |
| CN201902241U (en) * | 2010-12-23 | 2011-07-20 | 河北新能电力集团有限公司 | Generating device utilizing discharge smoke waste heat of gas turbine engine |
| CN102820480A (en) * | 2011-06-09 | 2012-12-12 | 通用电气公司 | Fuel cell and gas turbine hybrid generating system and power generation method implemented by same |
| KR20170076920A (en) * | 2015-12-24 | 2017-07-05 | 현대중공업 주식회사 | Ship |
| KR20180002365A (en) * | 2016-06-29 | 2018-01-08 | 한국기계연구원 | Fuel cell-engine hybrid power generation system with multi-stage reformer structure |
| JP2019008866A (en) * | 2017-06-20 | 2019-01-17 | 三菱自動車工業株式会社 | Fuel cell system |
| CN207572466U (en) * | 2017-12-25 | 2018-07-03 | 晋城市阿邦迪能源有限公司 | vehicle-mounted fuel cell power generation system |
| CN110077221A (en) * | 2019-04-19 | 2019-08-02 | 西安交通大学 | A kind of solid oxide fuel cell and internal combustion engine combined power system and its operation method |
| CN110356216A (en) * | 2019-07-04 | 2019-10-22 | 广东索特能源科技有限公司 | A kind of hybrid power system and method for fuel cell and cylinder engine |
| CN111900432A (en) * | 2020-06-11 | 2020-11-06 | 山东大学 | Solid oxide fuel cell system, power-cooling combined supply system and method thereof |
| CN112349926A (en) * | 2020-09-29 | 2021-02-09 | 中国电子科技集团公司第十八研究所 | Vehicle-mounted fuel cell system capable of being started quickly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115172803A (en) * | 2022-08-17 | 2022-10-11 | 西安交通大学 | Novel temperature-controllable ammonia gas fuel cell-rotor engine hybrid device |
| CN115172803B (en) * | 2022-08-17 | 2024-03-12 | 西安交通大学 | Novel temperature-controllable ammonia gas fuel cell-rotor engine mixing device |
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