CN117727981A - Combustion reformer comprising a water vapor heat exchange layer, reversible solid oxide cell and use - Google Patents
Combustion reformer comprising a water vapor heat exchange layer, reversible solid oxide cell and use Download PDFInfo
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- CN117727981A CN117727981A CN202311770173.7A CN202311770173A CN117727981A CN 117727981 A CN117727981 A CN 117727981A CN 202311770173 A CN202311770173 A CN 202311770173A CN 117727981 A CN117727981 A CN 117727981A
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- combustion
- water vapor
- heat exchange
- cylinder
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 58
- 239000007787 solid Substances 0.000 title claims abstract description 35
- 230000002441 reversible effect Effects 0.000 title claims abstract description 33
- 238000002407 reforming Methods 0.000 claims abstract description 32
- 238000009834 vaporization Methods 0.000 claims abstract description 32
- 230000008016 vaporization Effects 0.000 claims abstract description 32
- 239000000446 fuel Substances 0.000 claims abstract description 17
- 239000007789 gas Substances 0.000 claims description 36
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 16
- 239000002828 fuel tank Substances 0.000 claims description 14
- 239000000779 smoke Substances 0.000 claims description 14
- 239000001257 hydrogen Substances 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 11
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- 238000010248 power generation Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 8
- 239000003345 natural gas Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000012546 transfer Methods 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 abstract description 14
- 238000006057 reforming reaction Methods 0.000 abstract description 12
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 34
- 238000005868 electrolysis reaction Methods 0.000 description 10
- 239000000956 alloy Substances 0.000 description 8
- 229910045601 alloy Inorganic materials 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000009413 insulation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000011257 shell material Substances 0.000 description 4
- 238000001833 catalytic reforming Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- Fuel Cell (AREA)
Abstract
The application belongs to the technical field of fuel cells, and particularly relates to a combustion reformer comprising a water vapor heat exchange layer, a reversible solid oxide cell and application thereof; the combustion reformer comprises a hollow afterburner cylinder, a hollow water vaporization cylinder and a hollow reforming reactor cylinder from inside to outside; the hollow water vaporization cylinder is arranged to serve as a water vapor heat exchange layer to provide heat for reforming reaction, so that the problem that the catalyst in the high Wen Duichong whole reactor generated by the combustion of the afterburner brings local high Wen Redian, the catalyst in the reformer is not easy to deactivate, the service life of the combustion reformer is prolonged, and the technical problems that the catalyst in the combustion reformer is easy to deactivate and the combustion reformer is shortened in the prior art are solved.
Description
Technical Field
The application belongs to the technical field of fuel cells, and particularly relates to a combustion reformer comprising a water vapor heat exchange layer, a reversible solid oxide cell and application.
Background
The reversible solid oxide cell RSOC is a device capable of realizing direct conversion of chemical energy and electric energy, and can operate in a SOFC (solid oxide fuel cell) discharge mode and a SOEC (solid oxide electrolysis cell) electrolysis mode according to requirements; the process is to realize the high-efficiency conversion from chemical energy to electric energy after fuel is introduced, and when the SOEC electrolysis mode is operated, the introduced water is converted into chemical energy of hydrogen and oxygen after external electric energy is provided.
The composition of the reversible solid oxide cell RSOC comprises a reformer, a galvanic pile, an afterburner and the like, and the afterburner and the reformer are not needed when the SOEC electrolysis mode is operated; in the SOFC discharge mode operation, the catalyst in the reformer performs an endothermic reaction to reform the fuel vapor such as the introduced natural gas into a gas mixture to supply the gas mixture to the electric pile, the afterburner further utilizes the heat energy of the tail gas of the electric pile, in order to improve the energy utilization efficiency of the RSOC of the reversible solid oxide cell, an integral combustion reformer integrating the reformer and the afterburner is already provided in the reversible solid oxide cell, however, in such integral combustion reformers, the high-temperature gas generated by the combustion of the afterburner flows through the wall surface of the steam reformer, the high-temperature gas generated by the combustion of the afterburner can reach 1000 ℃, the reaction of catalytic reforming is usually about 800 ℃, and the catalyst for catalytic reforming in the reformer is deactivated due to the excessive temperature.
Disclosure of Invention
In view of the above, the present application provides a combustion reformer including a steam heat exchange layer, a reversible solid oxide cell and an application thereof, which are used for solving the technical problems that a catalyst in the combustion reformer is easy to deactivate and the combustion reformer is shortened in the prior art.
The first aspect of the present application provides a combustion reformer comprising a water vapor heat exchange layer, comprising, from inside to outside: a hollow afterburner cartridge, a hollow water vaporization cartridge and a hollow reforming reactor cartridge;
the two opposite sides of the hollow water vaporization cylinder are provided with a water inlet and a water vapor outlet;
the water inlet of the hollow water vaporization cylinder is used for inputting water flow;
the steam outlet of the hollow water vaporization cartridge is in communication with the steam inlet of the hollow reforming reactor cartridge for inputting steam into the hollow reforming reactor cartridge.
Preferably, the shells of the hollow afterburner cylinder, the hollow water vaporization cylinder and the hollow reforming reactor cylinder are made of high-temperature-resistant and corrosion-resistant alloy.
Preferably, the high temperature and corrosion resistant alloy is selected from at least one of nickel-based alloy, chromium-based alloy or molybdenum-based alloy.
Preferably, the combustion reformer further comprises a fuel tank in communication with the hollow afterburner barrel for inputting fuel into the hollow afterburner barrel for combustion.
Preferably, the fuel tank is selected from a natural gas tank and/or a methanol tank.
Preferably, the shell surface of the afterburner tube is provided with a heat exchange structure.
Preferably, the heat exchange structure is selected from fins and/or fins.
Preferably, the combustion reformer further comprises a hollow outer tub;
the hollow outer cylinder is positioned outside the hollow reforming reactor cylinder;
the two opposite sides of the hollow outer cylinder are provided with a smoke inlet and a smoke outlet;
the smoke inlet of the hollow outer cylinder is communicated with the smoke outlet of the hollow afterburner cylinder and is used for inputting smoke into the hollow outer cylinder.
Preferably, an air inlet is further formed in one side of the smoke inlet of the hollow outer cylinder and used for inputting air.
Preferably, a movable heat shield is provided in the transfer passage between the outlet of the hollow water vaporization cartridge and the inlet of the hollow reforming reactor cartridge for controlling communication or closure between the water vapor outlet of the hollow water vaporization cartridge and the water vapor inlet of the hollow reforming reactor cartridge.
Preferably, the movable heat insulation plate is made of metal with high temperature resistance and insulation performance.
Preferably, the movable thermal insulation board is selected from alumina materials.
A second aspect of the present application provides a reversible solid oxide cell; comprises a galvanic pile and a combustion reformer;
the tail gas outlet of the electric pile is communicated with the tail gas inlet of the hollow tail gas burner tube of the combustion reformer and is used for inputting tail gas into the hollow tail gas burner tube;
the reforming reactor tube of the combustion reformer is in communication with the electric stack for inputting reformate gas into the electric stack.
Preferably, the reversible solid oxide cell further comprises a plc controller and a flow monitor;
the plc controller is electrically connected with the flow monitor and the fuel tank.
A third aspect of the present application provides the use of the reversible solid oxide cell of the second aspect in the field of hydrogen production or in the field of power generation.
It should be noted that, the application of the reversible solid oxide battery provided by the application is specifically as follows: and when the electricity price is higher than the boundary electricity price, the SOEC power generation mode is operated to generate power, and otherwise, the SOEC electrolysis mode is operated to prepare hydrogen.
In summary, the present application provides a combustion reformer including a steam heat exchange layer, a reversible solid oxide battery, and applications thereof, where the combustion reformer provided herein is a vertical cylindrical multilayer structure, and includes from inside to outside: a tail burner tube, a water vaporization tube and a reforming reactor tube with hollow structures; the anode tail gas generated after the SOFC discharge mode operation is fed into the afterburner tube for combustion, heat generated by the combustion exchanges heat with water in the water vaporization tube to generate water vapor, the water vapor transfers heat to the reforming reactor tube, and a catalyst in the reforming reactor tube performs endothermic reaction to reform fuel vapor such as natural gas into a gas mixture; therefore, the water vaporization barrel is arranged between the afterburner barrel and the reforming reactor barrel to serve as the water vapor heat exchange layer, the afterburner layer is not in direct contact with the reformer layer, the problem that the catalyst in the high Wen Duichong reformer generated by combustion of the afterburner is locally high Wen Redian can be effectively avoided, the catalyst in the reformer is not easy to deactivate, the service life of the combustion reformer is prolonged, and the technical problems that the catalyst in the combustion reformer is easy to deactivate and the combustion reformer is shortened in the prior art are solved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic cross-sectional structure of a combustion reformer including a steam heat exchange layer provided in embodiment 1 of the present application, in fig. 1, 1 is a hollow outer tube, 2 is a hollow reforming reactor tube, 3 is a hollow water vaporization tube, and 4 is a hollow afterburner tube;
fig. 2 is a schematic diagram of boundary electricity prices of the reversible solid oxide cell provided in example 3 of the present application when the SOFC mode and the SOFC mode are operated, a is a schematic diagram of economic benefits of the SOFC mode and the SOFC mode, and b is a schematic diagram of economic benefits of the SOFC mode and the SOFC mode.
Detailed Description
The application provides a combustion reformer comprising a steam heat exchange layer, a reversible solid oxide cell and application thereof, which are used for solving the technical problems that a catalyst in the combustion reformer is easy to deactivate and the combustion reformer is shortened in the prior art.
The following description of the embodiments of the present application will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
Example 1
In view of the drawbacks of the existing integrated combustion reformer that combines a reformer and an afterburner, embodiment 1 of the present application provides a combustion reformer including a steam heat exchange layer, the structure of which is shown in fig. 1, and includes from inside to outside: a hollow afterburner barrel, a hollow water vaporization barrel and a hollow reforming reactor barrel, wherein a water vapor outlet of the hollow water vaporization barrel is communicated with a water vapor inlet of the hollow reforming reactor barrel and is used for inputting water vapor into the hollow reforming reactor barrel; the tail burner cylinder, the water vaporization cylinder and the reformer cylinder are hollow structures with the radius of; the tail gas reactor tube is a reforming reaction container conventionally arranged in the reversible solid oxide battery, two ends of the tail gas reactor tube are respectively provided with a fuel outlet and a reformed gas outlet of natural gas and the like, a catalyst arranged on the inner wall absorbs heat and can carry out catalytic reforming reaction on the fuel such as the natural gas and the like, the hollow water vaporization tube is used as a water vapor heat exchange layer for heat transfer, two opposite sides of the hollow water vaporization tube are provided with a water inlet and a water vapor outlet, and the water inlet is communicated with a water storage device and is used for inputting water flow; the application provides a combustion reformer is at the application process: anode tail gas generated after the reversible solid oxide cell runs in the SOFC discharging mode enters the afterburner tube through the tail gas inlet, the introduced air is combusted in the afterburner tube to generate heat, the heat is transferred into the water vaporization tube through the shell of the afterburner tube, water introduced into the water inlet in the water vaporization tube is heated and vaporized to generate water vapor, the water vapor transfers the heat to the hollow reforming reactor tube, reforming reaction is carried out with fuel outlets such as natural gas to generate reformed gas, and the reformed gas is supplied to a galvanic pile of the reversible solid oxide cell for reaction through the reformed gas outlet.
Wherein, in order to realize high-efficient heat transfer and durability among the hollow afterburner tube, the hollow water vaporization tube and the hollow reforming reactor tube, the shell materials of the hollow afterburner tube, the hollow water vaporization tube and the hollow reforming reactor tube are selected to be nickel-based alloy, chromium-based alloy or molybdenum-based alloy with high temperature resistance and corrosion resistance.
Preferably, in order to promote heat exchange efficiency, the structure of the combustion reformer is improved, and heat exchange structures such as ribs and/or fins are arranged on the surface of a shell of the afterburner barrel; according to the heat exchange device, heat loss in the heat exchange process between the afterburner tube and the water vaporization tube can be reduced through the heat exchange structures such as the fins and/or the fins, and the reforming reaction in the reforming reaction tube is facilitated.
Preferably, in order to provide enough heat for promoting the reforming reaction in the reforming reaction cylinder, the invention improves the constituent units of the combustion reformer, and adds a fuel tank, wherein the fuel tank is communicated with the afterburner cylinder, and the fuel inlet and the tail gas inlet of the afterburner cylinder can be the same, and the fuel inlet can also be independently arranged; according to the fuel tank, the fuel is input into the tail gas device cylinder through the fuel tank, and additional heat is provided, so that the situation that reforming reaction is carried out due to insufficient heat of tail gas supply is avoided; wherein the fuel tank may be selected from a natural gas tank and/or a methanol tank.
Preferably, in order to promote the temperature uniformity of the inner side and the outer side in the reforming reaction process in the reforming reaction cylinder, the application improves the composition unit of the combustion reformer, and adds an outer cylinder, wherein the outer cylinder is positioned at the outer side of the hollow reforming reactor cylinder, and a flue gas inlet and a flue gas outlet are arranged at the opposite sides of the hollow outer cylinder, and the flue gas inlet is communicated with the flue gas outlet of the afterburner cylinder, so that flue gas is input into the outer cylinder, the temperature in the flue gas input process is reduced, the outer side in the reforming reaction process in the reforming reaction cylinder can be heated, and the catalyst is not easy to deactivate; meanwhile, an air inlet is further formed in one side of the smoke inlet of the hollow outer cylinder, the input air can regulate and control the smoke temperature, and the damage of the smoke temperature to the catalyst is further reduced.
Preferably, in order to promote the utilization efficiency of the combustion reformer, the present application improves the constituent units of the combustion reformer, and adds a movable heat insulation plate, wherein the movable heat insulation plate is made of materials with high temperature resistance and insulation performance such as alumina, and is arranged in a conveying channel between an outlet of a hollow water vaporization cylinder and an inlet of the hollow reforming reactor cylinder, and when the reversible solid oxide cell RSOC performs SOFC discharge mode operation, the movable heat insulation plate is opened to communicate the channel between a water vapor outlet of the hollow water vaporization cylinder and a water vapor inlet of the hollow reforming reactor cylinder, so that heated water vapor is introduced into the hollow reforming reactor; when the reversible solid oxide cell RSOC is operated in the SOEC electrolysis mode, the movable heat insulation plate is closed, and a channel between the water vapor outlet of the hollow water vaporization cylinder and the water vapor inlet of the hollow reforming reactor cylinder is closed, so that water vapor is supplied to the electric pile for reaction to prepare hydrogen, and the defect that the tail gas of SOEC is not effectively utilized by the combustion reformer when the traditional reversible solid oxide cell RSOC is operated in the SOEC discharge mode, so that the hydrogen production cost is increased is avoided.
Example 2
The embodiment 2 of the application provides a reversible solid oxide cell, which comprises the electric pile, the combustion reformer and the electric pile, wherein the electric pile is a conventional electric pile in the reversible solid oxide cell, and the connection relationship is that a tail gas outlet of the electric pile is communicated with a tail gas inlet of a hollow afterburner tube of the combustion reformer, and is used for inputting tail gas into the hollow afterburner tube; the reforming reactor tube of the combustion reformer communicates with the electric pile for inputting the reformed gas into the electric pile.
Preferably, the reversible solid oxide cell provided by the application is provided with the plc controller, and the flow monitor is arranged at the tail gas outlet of the electric pile, the plc controller is electrically connected with the flow monitor and the fuel tank, the fuel flow output by the fuel tank can be controlled according to the flow electric signal input by the flow monitor, and when the tail gas flow monitored by the flow monitor is reduced, more fuel needs to be controlled to be output by the fuel tank through the plc controller.
Example 3
Example 3 of the present application provides for the use of a reversible solid oxide cell, including operating in SOFC power generation mode and SOEC electrolysis mode.
When the reversible solid oxide cell is in a SOFC power generation mode, the power generation income of the SOFC is positively related to the electricity price, and the higher the electricity price is, the larger the difference between the electricity price and the electricity cost is, the larger the income is; the electricity generation degree cost is related to operation and maintenance cost and equipment depreciation, and the operation and maintenance cost also comprises fuel cost, operation energy consumption cost, labor, equipment maintenance and the like; for a power plant with a defined investment scale, how to reduce the depreciation and operation and maintenance costs of the plant is a necessary point for obtaining greater economic benefits. The depreciation of the equipment is related to the working time of the equipment, and the longer the working time is, the lower the depreciation cost of the reduced yield is; for the SOFC system with grid-connected utilization peak Gu Jiacha, the benefits can be obtained only when the electricity cost is smaller than the sales electricity price, but the current time-of-use electricity price policy can obtain the benefits only in a specific time, and beyond the time, the SOFC power generation is lost, the SOFC is stopped, but the equipment depreciation is increased when the SOFC is stopped, and if all SOFCs are separated from the power system, a certain electric shortage can be caused, so that the SOFC needs to be operated in a power reduction range according to the electric power system requirement.
When the reversible solid oxide battery runs in an SOEC electrolysis mode, the hydrogen production gain of the SOEC is inversely related to the electricity price, and the higher the electricity price is, the smaller the difference between the hydrogen production cost and the hydrogen production selling price is, and the smaller the gain is; the influence of electricity price in SOEC on unit hydrogen production cost can reach more than 50%.
Therefore, when the hydrogen price and other factors are not considered, the electricity price is taken as the only variable, and when the electricity price is a certain electricity price, the benefits of the SOFC and the SOEC are equal, and when the electricity price is increased, the SOEC generates electricity to obtain higher benefits, otherwise the SOEC obtains higher benefits, and the electricity price at the moment is called as boundary electricity price; as shown in fig. 2, the boundary electricity price can be divided into three cases, that is, when the boundary electricity price is reached, both SOFC and SOEC have economic benefit (point a), neither have economic benefit (point B), or are just equal to the cost; SOFCs cannot in any case reach a boundary electricity price to switch directly to SOEC mode, in particular: under the condition that the SOFC and the SOEC have economic benefits (point A), the SOFC is directly switched to the SOEC mode when the boundary electricity price is reached, and otherwise, the SOEC is switched to the SOFC; under the condition of no economic benefit (point B), the yield of the SOFC is higher than that of the SOEC in the interval from the right side of the point B to the point B1, but the electricity price is in the middle position compared with the yield point of the SOFC and the yield point of the SOEC, namely the power demand of the power system is in the middle position, and the SOFC can not be stopped at the moment and can be operated in a power reduction range according to the power system demand, otherwise, the power shortage is caused; to compensate for this loss, extra full power operation can be used to compensate for the peak electricity price. And when the electricity price is positioned in the interval from the left side of the point B to the point B2, the mode is switched to the SOEC mode in the same way. In conclusion, the operation mode of the SOFC is adjusted according to the time-of-use electricity price, so that the economic benefit maximization of the RSOC can be realized to a certain extent.
It can be determined from the above deduction process that, for the application of the reversible solid oxide cell, the SOFC power generation mode and the SOEC electrolysis mode need to be operated according to different conditions, the application process is to obtain the electricity price at the current moment first, when the electricity price belongs to the SOFC and the SOEC and has economic benefits (point a), the SOFC power generation mode is operated to generate power when the electricity price is higher than the boundary electricity price, and the SOEC electrolysis mode is operated to prepare hydrogen in an irregular manner. And when the electricity price belongs to the economic benefit (point B), the reversible solid oxide battery can be considered to be operated in a power-down mode.
The above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A combustion reformer including a water vapor heat exchange layer, comprising, from inside to outside: a hollow afterburner cartridge, a hollow water vaporization cartridge and a hollow reforming reactor cartridge;
the two opposite sides of the hollow water vaporization cylinder are provided with a water inlet and a water vapor outlet;
the water inlet of the hollow water vaporization cylinder is used for inputting water flow;
the steam outlet of the hollow water vaporization cartridge is in communication with the steam inlet of the hollow reforming reactor cartridge for inputting steam into the hollow reforming reactor cartridge.
2. A combustion reformer including a water vapor heat exchange layer as claimed in claim 1 wherein the shell surface of the hollow afterburner barrel is provided with heat exchange structures.
3. A combustion reformer including a water vapor heat exchange layer as claimed in claim 2 wherein the heat exchange structure is selected from fins and/or fins.
4. A combustion reformer including a water vapor heat exchange layer as claimed in claim 1 further comprising a fuel tank in communication with the hollow afterburner barrel for inputting fuel into the hollow afterburner barrel for combustion.
5. A combustion reformer including a water vapor heat exchange layer as claimed in claim 4 wherein the fuel tank is selected from a natural gas tank and/or a methanol tank.
6. A combustion reformer including a water vapor heat exchange layer as claimed in claim 1, further comprising a hollow outer barrel;
the hollow outer cylinder is positioned outside the hollow reforming reactor cylinder;
the two opposite sides of the hollow outer cylinder are provided with a smoke inlet and a smoke outlet;
the smoke inlet of the hollow outer cylinder is communicated with the smoke outlet of the hollow afterburner cylinder and is used for inputting smoke into the hollow outer cylinder.
7. A combustion reformer including a water vapor heat exchange layer as claimed in claim 1 wherein a transfer passage between the outlet of the hollow water vaporization cartridge and the inlet of the hollow reforming reactor cartridge is provided with a movable thermal baffle for controlling communication or closure between the water vapor outlet of the hollow water vaporization cartridge and the water vapor inlet of the hollow reforming reactor cartridge.
8. A reversible solid oxide cell, characterized by; comprising a stack and the combustion reformer of any one of claims 1-7;
the tail gas outlet of the electric pile is communicated with the tail gas burner cylinder inlet of the combustion reformer and is used for inputting tail gas into the tail gas burner cylinder;
the reformer cartridge of the combustion reformer is in communication with the stack for inputting reformate gas into the stack.
9. The reversible solid oxide cell of claim 8, further comprising a plc controller and a flow monitor;
the plc controller is electrically connected with the flow monitor and the fuel tank.
10. Use of the reversible solid oxide cell of claim 8 in the field of hydrogen production or in the field of power generation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311770173.7A CN117727981A (en) | 2023-12-21 | 2023-12-21 | Combustion reformer comprising a water vapor heat exchange layer, reversible solid oxide cell and use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311770173.7A CN117727981A (en) | 2023-12-21 | 2023-12-21 | Combustion reformer comprising a water vapor heat exchange layer, reversible solid oxide cell and use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117727981A true CN117727981A (en) | 2024-03-19 |
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ID=90210425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311770173.7A Pending CN117727981A (en) | 2023-12-21 | 2023-12-21 | Combustion reformer comprising a water vapor heat exchange layer, reversible solid oxide cell and use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117727981A (en) |
-
2023
- 2023-12-21 CN CN202311770173.7A patent/CN117727981A/en active Pending
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