CN105826637A - Heat exchanger of fuel cell stack for hydrogen production by reforming - Google Patents
Heat exchanger of fuel cell stack for hydrogen production by reforming Download PDFInfo
- Publication number
- CN105826637A CN105826637A CN201610141979.3A CN201610141979A CN105826637A CN 105826637 A CN105826637 A CN 105826637A CN 201610141979 A CN201610141979 A CN 201610141979A CN 105826637 A CN105826637 A CN 105826637A
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- CN
- China
- Prior art keywords
- guide channel
- channel plate
- plate
- methanol
- heat exchanger
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
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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
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a heat exchanger of fuel cell stack for hydrogen production by reforming. The heat exchanger comprises an inner baffle plate, a first guide groove plate, a partition plate, a second guide groove plate, and an outer baffle plate; a high temperature waste gas circulating chamber is formed between the inner baffle plate and the first guide groove plate; a heat exchanging oil circulating chamber is formed between the first guide groove plate and the partition plate; a methanol vaporizing chamber is formed between the partition plate and the second guide groove plate; and a hydrogen gas circulating chamber and a methanol steam chamber are formed between the second guide groove plate and the outer baffle plate. In the methanol vaporizing step, methanol is vaporized by the thermal energy in high temperature waste gas and high temperature hydrogen gas, the energy is saved, the heat exchanger is environment-friendly, and at the same time, due to the compact structure, the heat exchange efficiency is very high.
Description
Technical field
The present invention relates to methanol fuel cell technical field, particularly to a kind of heat exchanger for reformation hydrogen production fuel cell unit.
Background technology
Current reformation hydrogen production and fuel cell adhere to two standalone modules separately, waste heat is not had to exchange each other, waste partial heat, or both only do simple combination, combustor, reformer chamber, pile are linked in sequence, and heating efficiency is low, therefore reformation hydrogen production and fuel cell are integrated into a module, improve heat utilization ratio, and then the overall efficiency of raising electricity generation module, be also a design requirement being badly in need of.Chinese Patent Application No. be 201520280073.0 patent of invention provide a kind of reformation hydrogen production fuel cell power generation module effectively utilizing waste heat, it is linked in sequence including burning oxygen supply blower fan, heat exchanger, combustor, diverter, heat exchanger, reformer chamber, pile, combustor are linked in sequence, pile, cold cycling pump, heat exchanger, pile are linked in sequence, and reaction oxygen supply blower fan is connected with pile；By being utilized respectively waste heat from tail gas and preheating pile, combustion air is heated by pile waste heat, pile reaction remaining hydrogen burning is reforming reaction heat supply, improve heat and fuel availability, and then improve the overall efficiency of electricity generation module, but the hydrogen that in this scheme, reformer chamber produces contains substantial amounts of heat before entering pile, this partial heat is equally used, have at present in fuel cell unit and use heat exchanger to carry out the scheme of UTILIZATION OF VESIDUAL HEAT IN, but existing heat exchanger is the most fairly simple, and heat exchange efficiency is low.
Summary of the invention
The deficiency existed for prior art, present invention is primarily targeted at the heat exchanger for reformation hydrogen production fuel cell unit providing a kind of heat exchange efficiency high.
For achieving the above object, the technical scheme is that a kind of heat exchanger for reformation hydrogen production fuel cell unit, including the Internal baffle being sequentially connected with, the first guide channel plate, dividing plate, the second guide channel plate and outer baffle, between described Internal baffle and the first guide channel plate, it is formed with high-temp waste gas circulation chamber；Heat exchange oil circulation chamber it is formed with between described first guide channel plate and dividing plate；Methanol-water vaporizer it is formed with between described dividing plate and the second guide channel plate；Hydrogen circulation room and methanol steam room it is formed with between described second guide channel plate and outer baffle；Being provided with high-temp waste gas entrance on described Internal baffle, on described first guide channel plate, dividing plate, the second guide channel plate and outer baffle, the other end of relatively-high temperature exhaust gas entrance offers high-temp waste gas flow pass；Offering heat exchange oil flow channel on described Internal baffle and the first guide channel plate, on described first guide channel plate, the other end of phase heat exchanging oil flow channel offers heat exchange oil flow pass；Methanol-water entrance and methanol steam outlet is offered respectively on two faces of one end of described second guide channel plate；The two ends of described Internal baffle, the first guide channel plate, dividing plate and the second guide channel plate offer the hydrogen flow channel and hydrogen flow pass connected with hydrogen circulation room respectively.
Preferably, described first guide channel plate is towards being provided with some first fins that contacts with high-temp waste gas on the face of Internal baffle.
Preferably, described first guide channel plate is provided with some the second fins contacted with heat exchange oil on the face of dividing plate.
Preferably, described second guide channel plate is provided with methanol-water circulation guide groove on the face of dividing plate.
Preferably, described second guide channel plate is provided with some hydrogen runners and methanol steam outflow runner on the face of Internal baffle.
Preferably, described outer baffle is provided with the exhaustor connected with high-temp waste gas flow pass.
The present invention has the advantage that relative to prior art, compact overall structure, wherein the high-temp waste gas in high-temp waste gas circulation chamber is the tail gas that in combustor, fuel combustion produces, heat can be transmitted after high-temp waste gas circulation chamber, heat is absorbed by the first fin, the heat exchange oil circulation chamber that on first guide channel plate, the another side of relatively-high temperature waste gas circulation chamber and dividing plate are formed can absorb the heat in high-temp waste gas circulation chamber, and the setting of the second fin can effectively increase the heat absorption efficiency of heat exchange oil.Methanol-water vaporizer is adjacent with heat exchange oil circulation chamber, when methanol-water is passed through, methanol-water can absorb heat from heat exchange oil circulation chamber and vaporize, methanol steam after vaporization enters reformer chamber and carries out reforming reaction, by such setting, need not, heater is additionally set and methanol-water is carried out heating vaporization, by utilizing the heat of high-temp waste gas to achieve energy-conserving and environment-protective.Additionally, the hydrogen that reforming reaction produces has more heat equally, in the side of methanol steam room, hydrogen circulation room is set, high-temperature hydrogen can carry out heating vaporization equally to methanol-water, so, the heat in high-temp waste gas and the heat in high-temperature hydrogen just can be utilized to be vaporized, while energy-conserving and environment-protective in the step for that methanol-water vaporizing simultaneously, owing to structure is compact to design, heat exchange efficiency is the highest.
Accompanying drawing explanation
Fig. 1 is the structural representation one of a kind of heat exchanger for reformation hydrogen production fuel cell unit of the present invention；
Fig. 2 is the structural representation two of a kind of heat exchanger for reformation hydrogen production fuel cell unit of the present invention；
Fig. 3 is the explosive view one of a kind of heat exchanger for reformation hydrogen production fuel cell unit of the present invention；
Fig. 4 is the explosive view two of a kind of heat exchanger for reformation hydrogen production fuel cell unit of the present invention；
Fig. 5 is the structural representation one of first guide channel plate of the present invention；
Fig. 6 is the structural representation two of first guide channel plate of the present invention；
Fig. 7 is the structural representation one of second guide channel plate of the present invention；
Fig. 8 is the structural representation two of second guide channel plate of the present invention.
In figure: 1, Internal baffle；2, the first guide channel plate；21, the first fin；22, the second fin；3, dividing plate；4, the second guide channel plate；41, methanol-water circulation guide groove；42, hydrogen runner；43, methanol steam flows out runner；5, outer baffle；6, high-temp waste gas circulation chamber；7, heat exchange oil circulation chamber；8, methanol-water vaporizer；9, hydrogen circulation room；10, methanol steam room；11, high-temp waste gas entrance；12, high-temp waste gas flow pass；13, heat exchange oil flow channel；14, heat exchange oil flow pass；15, methanol-water entrance；16, methanol steam outlet；17, hydrogen flow channel；18, hydrogen flow pass；19, exhaustor.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
As shown in drawings, a kind of heat exchanger for reformation hydrogen production fuel cell unit, including Internal baffle the 1, first guide channel plate 2 being sequentially connected with, dividing plate the 3, second guide channel plate 4 and outer baffle 5, between Internal baffle 1 and the first guide channel plate 2, it is formed with high-temp waste gas circulation chamber 6；Heat exchange oil circulation chamber 7 it is formed with between first guide channel plate 2 and dividing plate 3；It is formed with methanol-water vaporizer 8 between dividing plate 3 and the second guide channel plate 4；Hydrogen circulation room 9 and methanol steam room 10 it is formed with between second guide channel plate 4 and outer baffle 5；Being provided with high-temp waste gas entrance 11 on Internal baffle 1, on the first guide channel plate 2, dividing plate the 3, second guide channel plate 4 and outer baffle 5, the other end of relatively-high temperature exhaust gas entrance 11 offers high-temp waste gas flow pass 12；Offering heat exchange oil flow channel 13 on Internal baffle 1 and the first guide channel plate 2, on the first guide channel plate 2, the other end of phase heat exchanging oil flow channel 13 offers heat exchange oil flow pass 14；Methanol-water entrance 15 and methanol steam outlet 16 is offered respectively on two faces of one end of the second guide channel plate 4；The two ends of Internal baffle the 1, first guide channel plate 2, dividing plate 3 and the second guide channel plate 4 offer the hydrogen flow channel 17 and hydrogen flow pass 18 connected with hydrogen circulation room 9 respectively.
See figures.1.and.2, overall structure schematic diagram for the heat exchanger of the present invention, compact overall structure, wherein the high-temp waste gas in high-temp waste gas circulation chamber 6 is the tail gas that in combustor, fuel combustion produces, heat can be transmitted after high-temp waste gas circulation chamber 6, heat is absorbed by the first fin 21, the heat exchange oil circulation chamber 7 that on first guide channel plate 2, the another side of relatively-high temperature waste gas circulation chamber 6 and dividing plate 3 are formed can absorb the heat in high-temp waste gas circulation chamber 6, and the setting of the second fin 22 can effectively increase the heat absorption efficiency of heat exchange oil.Methanol-water vaporizer 8 is adjacent with heat exchange oil circulation chamber 7, when methanol-water is passed through, methanol-water can absorb heat from heat exchange oil circulation chamber 7 and vaporize, methanol steam after vaporization enters reformer chamber and carries out reforming reaction, by such setting, need not, heater is additionally set and methanol-water is carried out heating vaporization, by utilizing the heat of high-temp waste gas to achieve energy-conserving and environment-protective.Additionally, the hydrogen that reforming reaction produces has more heat equally, in the side of methanol steam room 10, hydrogen circulation room 9 is set, high-temperature hydrogen can carry out heating vaporization equally to methanol-water, so, the heat in high-temp waste gas and the heat in high-temperature hydrogen just can be utilized to be vaporized, while energy-conserving and environment-protective in the step for that methanol-water vaporizing simultaneously, owing to structure is compact to design, heat exchange efficiency is the highest.
Concrete, on the face of dividing plate 3, it is provided with methanol-water circulation guide groove 41 at the second guide channel plate 4, methanol-water circulation guide groove 41 uses roundabout design, it is ensured that methanol-water can fully be heated vaporization.Second guide channel plate 4 is provided with some hydrogen runners 42 and methanol steam outflow runner 43 on the face of Internal baffle 1.
The exhaustor 19 connected with high-temp waste gas flow pass 12 it is provided with on outer baffle 5.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-described embodiment, and all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that, for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (6)
1. the heat exchanger for reformation hydrogen production fuel cell unit, it is characterised in that: include Internal baffle, the first guide channel plate, dividing plate, the second guide channel plate and the outer baffle being sequentially connected with, between described Internal baffle and the first guide channel plate, be formed with high-temp waste gas circulation chamber；Heat exchange oil circulation chamber it is formed with between described first guide channel plate and dividing plate；Methanol-water vaporizer it is formed with between described dividing plate and the second guide channel plate；Hydrogen circulation room and methanol steam room it is formed with between described second guide channel plate and outer baffle；Being provided with high-temp waste gas entrance on described Internal baffle, on described first guide channel plate, dividing plate, the second guide channel plate and outer baffle, the other end of relatively-high temperature exhaust gas entrance offers high-temp waste gas flow pass；Offering heat exchange oil flow channel on described Internal baffle and the first guide channel plate, on described first guide channel plate, the other end of phase heat exchanging oil flow channel offers heat exchange oil flow pass；Methanol-water entrance and methanol steam outlet is offered respectively on two faces of one end of described second guide channel plate；The two ends of described Internal baffle, the first guide channel plate, dividing plate and the second guide channel plate offer the hydrogen flow channel and hydrogen flow pass connected with hydrogen circulation room respectively.
A kind of heat exchanger for reformation hydrogen production fuel cell unit the most according to claim 1, it is characterised in that: described first guide channel plate is towards being provided with some first fins that contacts with high-temp waste gas on the face of Internal baffle.
A kind of heat exchanger for reformation hydrogen production fuel cell unit the most according to claim 1 and 2, it is characterised in that: described first guide channel plate is provided with some the second fins contacted with heat exchange oil on the face of dividing plate.
A kind of heat exchanger for reformation hydrogen production fuel cell unit the most according to claim 1, it is characterised in that: described second guide channel plate is provided with methanol-water circulation guide groove on the face of dividing plate.
5. according to a kind of heat exchanger for reformation hydrogen production fuel cell unit described in claim 1 or 4, it is characterised in that: described second guide channel plate is provided with some hydrogen runners and methanol steam outflow runner on the face of Internal baffle.
A kind of heat exchanger for reformation hydrogen production fuel cell unit the most according to claim 1, it is characterised in that: it is provided with the exhaustor connected with high-temp waste gas flow pass on described outer baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610141979.3A CN105826637A (en) | 2016-03-11 | 2016-03-11 | Heat exchanger of fuel cell stack for hydrogen production by reforming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610141979.3A CN105826637A (en) | 2016-03-11 | 2016-03-11 | Heat exchanger of fuel cell stack for hydrogen production by reforming |
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| Publication Number | Publication Date |
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| CN105826637A true CN105826637A (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610141979.3A Pending CN105826637A (en) | 2016-03-11 | 2016-03-11 | Heat exchanger of fuel cell stack for hydrogen production by reforming |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299408A (en) * | 2016-11-02 | 2017-01-04 | 上海钧希新能源科技有限公司 | A kind of special heat balance device of methanol fuel cell |
| CN109935870A (en) * | 2017-12-19 | 2019-06-25 | 中国科学院大连化学物理研究所 | A kind of fuel vaporizer and fuel cell system |
| CN114614041A (en) * | 2020-12-09 | 2022-06-10 | 中国科学院大连化学物理研究所 | High-efficiency heat exchange device built in high-temperature fuel cell |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101121502A (en) * | 2006-08-11 | 2008-02-13 | 比亚迪股份有限公司 | System for preparing hydrogen from methanol and fuel battery device containing the same |
| CN105529482A (en) * | 2016-01-28 | 2016-04-27 | 苏州氢洁电源科技有限公司 | Methanol fuel cell system |
| CN205452486U (en) * | 2016-03-11 | 2016-08-10 | 常州博能新能源有限公司 | A heat exchanger for reforming system hydrogen cell group |
-
2016
- 2016-03-11 CN CN201610141979.3A patent/CN105826637A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101121502A (en) * | 2006-08-11 | 2008-02-13 | 比亚迪股份有限公司 | System for preparing hydrogen from methanol and fuel battery device containing the same |
| CN105529482A (en) * | 2016-01-28 | 2016-04-27 | 苏州氢洁电源科技有限公司 | Methanol fuel cell system |
| CN205452486U (en) * | 2016-03-11 | 2016-08-10 | 常州博能新能源有限公司 | A heat exchanger for reforming system hydrogen cell group |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299408A (en) * | 2016-11-02 | 2017-01-04 | 上海钧希新能源科技有限公司 | A kind of special heat balance device of methanol fuel cell |
| CN106299408B (en) * | 2016-11-02 | 2019-03-29 | 上海钧希新能源科技有限公司 | A kind of dedicated heat balance device of methanol fuel cell |
| CN109935870A (en) * | 2017-12-19 | 2019-06-25 | 中国科学院大连化学物理研究所 | A kind of fuel vaporizer and fuel cell system |
| CN109935870B (en) * | 2017-12-19 | 2021-06-04 | 中国科学院大连化学物理研究所 | Fuel vaporizer and fuel cell system |
| CN114614041A (en) * | 2020-12-09 | 2022-06-10 | 中国科学院大连化学物理研究所 | High-efficiency heat exchange device built in high-temperature fuel cell |
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Application publication date: 20160803 |