CN104555920A - Auto-thermal hydrogen-production-by-reforming micro-reactor with waste heat recovery function - Google Patents
Auto-thermal hydrogen-production-by-reforming micro-reactor with waste heat recovery function Download PDFInfo
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Abstract
The invention discloses an auto-thermal hydrogen-production-by-reforming micro-reactor with a waste heat recovery function. The micro-reactor comprises a heat insulation cavity cover plate, a hydrogen-production-by-reforming micro-reaction module and a heat insulation housing from top to bottom sequentially, wherein the hydrogen-production-by-reforming micro-reaction module is mounted in the heat insulation housing and comprises an upper cover plate assembly, a steaming unit, a preheating unit, a catalytic combustion assembly, a hydrogen-production-by-reforming assembly, a temperature difference power generation assembly and a lower cover plate assembly from top to bottom sequentially. The micro-reactor integrates the temperature difference power generation module and has the functions of recovering waste heat of outlet gas of the reactor and generating power. High-temperature product gas in hydrogen-production-by-reforming reaction and catalytic combustion reaction transfers heat to a heat end of a temperature difference power generator, and the temperature of the heat end and the temperature of a cold end exposed in air form a relatively large temperature difference, so that the temperature difference is converted into electric energy. The electric energy is collected and stored by a storage battery and can be used for supplying power to a control system or other function modules of the hydrogen production reactor, the overall energy utilization rate is high, and energy conservation and environmental protection are achieved while the hydrogen production efficiency is guaranteed.
Description
Technical field
The present invention relates to alcohol reforming hydrogen production microreactor, especially relate to a kind of self-heating type reformation hydrogen production microreactor with function of recovering waste heat.
Technical background
The development of automotive industry is significant for socio-economic development, but increasing automobile consumes petroleum resources just fast, add up according to world energy sources tissue: increase by current needs speed, the all explored reserves of oil amounts in the world will be exhausted in 2054, then what power wheel drive of marquis's automobile touch will be a great difficult problem of facing mankind, and a large amount of tail gas that automobile is discharged simultaneously have caused serious topsoil.Under the overall background of energy shortage, environmental pollution and nation-building harmonious society, in order to ensure the Sustainable development of automotive industry, human ecological environment, the R&D and promotion of the new-energy automobile that non-fossil fuel drives is irresistible.China " 95 ", " 15 ", Eleventh Five-Year Plan scientific and technical development program all using the development of new-energy automobile as important key scientific and technological projects, accelerate the research and development of China to new-energy automobile and association area thereof.
Fuel cell car has low emission, efficient and high-performance and receive the extensive concern of investigator due to it.Especially hydrogen fuel cell power vehicle, it adopts hydrogen as fuel, substantially achieves " zero release " (combustion of hydrogen product is water), becomes the future thrust that new-energy automobile is desirable.In order to realize the large-scale popularization of hydrogen fuel cell power vehicle, the hydrogen supply problem of automobile must be solved.Adopt Aalcohols fuel scene to reform and produce hydrogen, for vehicle fuel battery provides Hydrogen Energy to be a kind of effective way solved the problem.
Hydrogen-manufacturing reactor is the core component realizing the on-the-spot reformation hydrogen production of alcohols.In recent years, the many relevant units in countries in the world have carried out the research of reformation hydrogen production reaction mechanism and have produced reforming hydrogen-preparation reactor, but traditional hydrogen-manufacturing reactor is often bulky, efficiency is lower, for solving the problem, relevant unit of various countries works out has high-specific surface area, the miniature hydrogen-manufacturing reactor of the advantages such as high heat transfer mass-transfer efficiency.
Chinese invention patent (application number 201210448874.4) discloses a kind of stacked micro-boss array type reformation hydrogen production microreactor.This reactor adopts micro-boss array structure metal sheet as reaction carriers, has high surface area volume ratio, can realize larger volume energy density; By stacked, improve the charge capacity of reactor catalyst, effectively can increase hydrogen yield.
Chinese invention patent (application number 201310558909.4) discloses a kind of reforming hydrogen-preparation reactor of the micro-boss structure with annular array.This reactor adopts the micro-boss structure of annular array as reaction carriers, flows out, improve the distributing homogeneity of reacting fluid in reaction carriers, increase the specific surface area of reactor from the center of circle, is conducive to the reaction efficiency improving reactor.
To sum up, although existing miniature alcohol reforming hydrogen production reactor has outstanding performance in hydrogen production efficiency, any energy recovery process is not done to the waste heat of product gas, still there is larger energy wastage.In fact, the temperature of alcohol reforming hydrogen production reactor outlet product gas is about 250 DEG C, enters temperature (being about 90 DEG C) far above the hydrogen needed for fuel cell.Therefore, be necessary to recycle the waste heat of exit gas, improve integral energy utilization ratio.
Thermo-electric generation system is based semiconductor thermoelectric generation, be the supply unit of electric energy by the Seebeck effect of semi-conductor thermoelectric device by thermal energy, this device has the advantages such as volume is little, energy density is large, the life-span is long, mechanical moving parts, noiseless.Therefore, if in alcohol reforming hydrogen production microreactor integrated semiconductor temperature-difference power generation module, waste heat recovery is carried out to exit gas, further improves reactor monolith capacity usage ratio, realize further energy-conserving and environment-protective.
Summary of the invention
The object of the present invention is to provide a kind of self-heating type reformation hydrogen production microreactor with function of recovering waste heat, this reactor is integrated with thermoelectric generator, product exit place is provided with gas conduction chamber, reformate gas and the catalyticcombustion product gas of high temperature enter thermal conductive cavity, by heat conduction to the hot junction of thermoelectric generator, cold junction exposes in atmosphere, hot junction and cold junction form the larger temperature difference and produce electric energy, and this electric energy can be used for after concentrating storage powering to the Controlling System in microreactor or other functional module.
The technical solution used in the present invention is:
The present invention comprises insulation chambers cover plate, the micro-reaction module of reformation hydrogen production and lagging casing from top to bottom successively, and the micro-reaction module of reformation hydrogen production is arranged in lagging casing.
The micro-reaction module of described reformation hydrogen production from top to bottom successively by upper cover plate assembly, evaporation element, preheating unit, catalyticcombustion assembly, reforming reaction hydrogen-producing assemblies, thermo-electric generation assembly and lower cover assembly composition; Wherein:
1) upper cover plate assembly: the upper cover plate comprising two root entry stainless steel tubes and rectangular configuration, two root entry stainless steel tubes are contained in the upper surface along upper cover plate length direction respectively, (fluid inlet apertures is connected, and the other end of two root entry stainless steel tubes is each passed through insulation chambers cover plate for one end and the upper cover plate of two root entry stainless steel tubes;
2) evaporation element: be the rectangle evaporation plate having parallelogram groove in a piece, the preheating table upper surface of parallelogram groove, described upper cover plate lower surface and preheating unit constitutes the evaporation cavity of evaporation element; Evaporation plate side has runner hole, and this runner hole is coaxially arranged with the fluid inlet apertures of upper cover plate side and communicate;
3) preheating unit: the preheating table being one piece of cuboid structure, preheating table is built-in with heating rod and thermopair, preheating table side has two runner holes, and one of them runner hole is communicated with the runner hole of rectangle evaporation plate, and another runner hole is positioned at the parallelogram groove of rectangle evaporation plate;
4) catalyticcombustion assembly: be the rectangle catalyticcombustion plate having parallelogram groove in a piece, micro-boss array structure is had in groove, parallelogram groove in rectangle catalyticcombustion plate and the parallelogram groove of rectangle evaporation plate towards the opposite, rectangle catalyticcombustion plate side has a runner hole, and this runner hole is communicated with runner hole preheating table being positioned at evaporation plate parallelogram groove; In the parallelogram groove of rectangle catalyticcombustion plate, opposite side has another runner hole;
5) reforming reaction hydrogen-producing assemblies: be the rectangle reformation hydrogen production reaction carriers plate having parallelogram groove in a piece, the reaction carriers of micro-boss array structure is had, the parallelogram groove of rectangle reformation hydrogen production reaction carriers plate and the parallelogram groove of rectangle catalyticcombustion plate towards the opposite in parallelogram groove; Reformation hydrogen production reaction carriers plate side has two runner holes, and one of them runner hole communicates with the runner hole in rectangle catalyticcombustion plate parallelogram groove, and another runner hole is positioned at the parallelogram groove of reformation hydrogen production reaction carriers plate;
6) thermoelectric generator assembly: comprise rectangle heat-conducting plate and block thermoelectric generator; The upper surface of the lower surface of reformation hydrogen production reaction carriers plate, heat conduction rectangular block and block thermoelectric generator forms thermal conductive cavity; The intermediate arrangement of the length direction of rectangle heat-conducting plate has a dividing plate, and cavity is divided into two parts by this dividing plate, and in each part, arranged crosswise has floor; The side, hot junction of thermoelectric generator has two runner holes, and the runner hole of opening with lower cover side is coaxially arranged and communicate;
7) lower cover assembly: the lower cover and the two outlet stainless steel tubes that comprise rectangle; Two outlet pipes communicate with the runner hole of lower cover respectively; Lower cover has rectangular tank, and integral installation timing lower cover contacts with the hot junction of block temperature difference electrical equipment, and the cold junction of thermoelectric generator exposes in atmosphere.
The hot junction of described block thermoelectric generator and reformation hydrogen production reaction carriers plate lower surface and heat conduction rectangular block form thermal conductive cavity.Asbestos are added between the micro-reaction module of described reformation hydrogen production and lagging casing.
The beneficial effect that the present invention has is:
The present invention is integrated with heat-energy recovering apparatus, in conjunction with thermoelectric generation, effectively recycle the waste heat of reformate gas and catalytic combustion gas, and can be the energy supply that electric energy is used for other controlling elementss in reactor by Conversion of energy, improve integral energy utilization ratio, realize further energy-conserving and environment-protective.Compared with the miniature alcohol reforming reactor of tradition, this reactor is integrated with the waste heat recovery generating device of reactor outlet product gas, waste heat in efficient recovery hydrogen manufacturing product, improves integral energy utilization ratio, while guarantee hydrogen production efficiency, can realize energy-conserving and environment-protective again.
Accompanying drawing explanation
Fig. 1 is the two dimensional structure front view of entirety of the present invention.
Fig. 2 is the cutting structural front view of entirety of the present invention.
Fig. 3 is three-dimensional structure explosive view of the present invention.
Fig. 4 is the micro-reaction module fragmentary front view of reformation hydrogen production of the present invention.
Fig. 5 is upper cover plate unit construction front view of the present invention.
Fig. 6 is lower cover unit construction front view of the present invention.
Fig. 7 is evaporation element of the present invention cuboid structure thin plate stereographic map used.
Fig. 8 is the structural perspective of preheating table of the present invention.
Fig. 9 is the structural perspective of catalyticcombustion plate of the present invention.
Figure 10 is the structural perspective of reformation hydrogen production reaction carriers plate of the present invention.
Figure 11 is the structural perspective of heat-conducting plate in thermo-electric generation parts of the present invention.
Figure 12 is the structural perspective of thermoelectric generator in thermo-electric generation assembly of the present invention.
Figure 13 is the structural perspective of lower cover of the present invention.
Figure 14 is fluid flow path sketch of the present invention.
In figure: 1, insulation chambers cover plate, 2, the micro-reaction module of reformation hydrogen production, 3, lagging casing, 4, upper cover plate assembly, 5, evaporation element, 6, preheating unit, 7, catalyticcombustion assembly, 8, reforming reaction hydrogen-producing assemblies, 9, thermo-electric generation assembly, 10, lower cover assembly, 11, entrance stainless steel tube, 12, upper cover plate, 13, lower cover, 14, stainless steel tube is exported, 15, evaporation plate, 16, preheating table, 17, catalyticcombustion plate, 18, reformation hydrogen production reaction carriers plate, 19, heat-conducting plate, 20, block thermoelectric generator.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, Figure 2, Figure 3 shows, the present invention comprises insulation chambers cover plate 1, the micro-reaction module 2 of reformation hydrogen production and lagging casing 3 from top to bottom successively, and the micro-reaction module 2 of reformation hydrogen production is arranged in lagging casing 3.
As shown in Figure 4, the micro-reaction module 2 of described reformation hydrogen production from top to bottom successively by upper cover plate assembly 4, evaporation element 5, preheating unit 6, catalyticcombustion assembly 7, reforming reaction hydrogen-producing assemblies 8, thermo-electric generation assembly 9 and lower cover assembly 10 form; Wherein:
As shown in Figure 5, upper cover plate assembly 4: the upper cover plate 12 comprising two root entry stainless steel tubes and rectangular configuration, two root entry stainless steel tubes are contained in the upper surface along upper cover plate 12 length direction respectively, one end of two root entry stainless steel tubes is connected with the fluid inlet apertures of upper cover plate 12, and the other end of two root entry stainless steel tubes is each passed through insulation chambers cover plate 1; Two runners are respectively used to the circulation of reformation hydrogen production working gas and catalyst combustion reaction gas.
As shown in Figure 7, evaporation element 5: be the rectangle evaporation plate 15 having parallelogram groove in a piece, preheating table 16 upper surface of parallelogram groove, described upper cover plate 12 lower surface and preheating unit 6 constitutes the evaporation cavity of evaporation element 5; Evaporation plate 15 side has runner hole, and this runner hole is coaxially arranged with the fluid inlet apertures of upper cover plate 12 side and communicate; This runner hole is used for the circulation of catalyst combustion reaction gas.
As shown in Figure 8, preheating unit 6: the preheating table 16 being one piece of cuboid structure, preheating table 16 is built-in with heating rod and thermopair, and preheating table 16 side has two runner holes, one of them runner hole is communicated with the runner hole of rectangle evaporation plate 15, and this hole is used for the circulation of catalytic combustion gas; Another runner hole is positioned at the parallelogram groove of rectangle evaporation plate 15; For the circulation of reformation hydrogen production reactant gases.
As shown in Figure 9, catalyticcombustion assembly 7: be the rectangle catalyticcombustion plate 17 having parallelogram groove in a piece, have micro-boss array structure in groove, on this micro-boss, load has the combustion reactions of catalyst catalyzes methyl alcohol and air; Parallelogram groove in rectangle catalyticcombustion plate 17 and the parallelogram groove of rectangle evaporation plate 15 towards the opposite, rectangle catalyticcombustion plate 17 side has a runner hole, this runner hole is communicated with, for the circulation of reformation hydrogen production reactant gases with runner hole preheating table 16 being positioned at evaporation plate 15 parallelogram groove; In the parallelogram groove of rectangle catalyticcombustion plate 17, opposite side has another runner hole, for the circulation of catalytic combustion gas.
As shown in Figure 10, reforming reaction hydrogen-producing assemblies 8: be the rectangle reformation hydrogen production reaction carriers plate 18 having parallelogram groove in a piece, have the reaction carriers of micro-boss array structure in parallelogram groove, on this reaction carriers, load has catalyzer to can be used for the reaction of catalysis methanol vapor reforming hydrogen production; The parallelogram groove of rectangle reformation hydrogen production reaction carriers plate 18 and the parallelogram groove of rectangle catalyticcombustion plate 17 towards the opposite; Reformation hydrogen production reaction carriers plate 18 side has two runner holes, and one of them runner hole communicates, for the circulation of catalytic combustion gas with the runner hole in rectangle catalyticcombustion plate 17 parallelogram groove; Another runner hole is positioned at the parallelogram groove of reformation hydrogen production reaction carriers plate 18, for the circulation of reformation hydrogen production reaction product gas.
As shown in Figure 11, Figure 12, thermoelectric generator assembly 9: comprise rectangle heat-conducting plate 19 and block thermoelectric generator 20; The upper surface of the lower surface of reformation hydrogen production reaction carriers plate 18, heat conduction rectangular block 19 and block thermoelectric generator 20 forms thermal conductive cavity; The intermediate arrangement of the length direction of rectangle heat-conducting plate 19 has a dividing plate, cavity is divided into two parts by this dividing plate, in each part, arranged crosswise has floor, and a part is used for the heat conduction of reformation hydrogen production reaction product gas, and another part is used for the heat conduction of catalytic combustion gas; Be furnished with the serpentine channel that floor forms gas stream warp in chamber, every side, this makes high-temperature gas and thermoelectric generator hot junction increase duration of contact, can increase heat exchange efficiency.The side, hot junction of thermoelectric generator 20 has two runner holes, the runner hole of opening with lower cover 13 side is coaxially arranged and communicate, and reformation hydrogen production product gas flows out via two that are connected with lower cover stainless steel tubes of giving vent to anger after temperature being passed to thermoelectric generator hot junction with catalyticcombustion product gas respectively.
As shown in Fig. 6, Figure 13, lower cover assembly 10: the lower cover 13 and the two outlet stainless steel tubes 14 that comprise rectangle; Two outlet pipes communicate with the runner hole of lower cover respectively; Lower cover 13 has rectangular tank, and integral installation timing lower cover 13 contacts with the hot junction of block temperature difference electrical equipment 20, and the cold junction of thermoelectric generator 20 exposes in atmosphere.
As shown in Figure 10, Figure 11, Figure 12, the hot junction of described block thermoelectric generator 20 and reformation hydrogen production reaction carriers plate 18 lower surface and heat conduction rectangular block 19 form thermal conductive cavity.
The mode of adding asbestos between the micro-reaction module 2 of described reformation hydrogen production and lagging casing 3 is adiabatic, and insulation chambers cover plate and lagging casing form insulation chambers.
Upper cover plate 12 and lower cover 13 use stainless material manufacture, and evaporation plate 15 adopts aluminum alloy materials manufacture, and all the other thin plates adopt the manufacture of common aluminum alloy material.
Be mounted with soft graphite pad between each thin plate layer of the micro-reaction module of reformation hydrogen production, finally seal in conjunction with holding bolt.Upper cover plate and entrance stainless steel tube, between lower cover and outlet stainless steel tube, adopt welding process joint and seal.
The electric energy reclaimed from waste heat can be used for other functional modules in microreactor and powers.
On reformation hydrogen production reaction carriers plate 18, load has copper-based catalysts Cu/ZnO/Al
2o
3, for catalysis methanol vapor reforming hydrogen production.The carrying method of catalyzer is as follows:
First by carrying out the pre-treatment before catalyst cupport by alkaline solution corrosion microchannel surface to micro passage reaction.Its zone of oxidation can be removed by the corrosive nature of alkaline solution on the one hand, its surface also can be made on the other hand to form certain microstructure, strengthen the clinging power of catalyzer and micro passage reaction.After pre-treatment completes, start supported catalyst on reaction carriers.First on micro-boss reaction carriers, the thin Al of one deck was first applied before catalyzer formally applies
2o
3, in order to strengthen the clinging power of catalyzer on micro-boss reaction carriers; After coated with aluminum colloidal sol, dried reaction carriers is calcined in stove, afterwards furnace cooling, so far complete coating and the sintering of catalyzer pioneer.Finally, prepare copper-based catalysts slurry, it is evenly coated in and is loaded with Al
2o
3the micro-boss reaction carriers surface of thin layer, is positioned over seasoning in room temperature (time is about a day).In stove, (temperature to 300 DEG C) calcining cooling in 2 hours is heated after drying.Micro-boss reaction carriers surface can be successfully loaded to by having the catalyst coat of certain sticking power by above step.
On catalyticcombustion plate 17, load has catalyst Pt/Al
2o
3, for catalysis methanol air combustion.
The present invention adopts the hydrogen manufacturing of methanol steam reforming mode, and the steam reforming reaction carried out in reformation hydrogen production Sptting plate comprises three reactions, as follows:
Methanol recapitalization (SR)
CH
3OH+H
2O→3H
2+CO
2，
Steam inverse transformation (rWGS)
CO
2+H
2CO+H
2O，
Methanolysis (DE)
CH
3OH 2H
2+CO。
The present invention adopts the method that methyl alcohol and air mixed are burnt to produce amount of heat, and this heat reacts in order to catalytically reforming hydrogen producing, as follows:
2CH
3OH+3O
2→4H
2O+2CO
2，
Hydrogen manufacturing principle of work of the present invention is as follows:
As shown in figure 14, be the fluid flow path sketch of this microreactor.Before hydrogen production reaction starts, the side that methyl alcohol, water vapour pass in microreactor passes into the protection gas nitrogen controlled by mass flowmeter, to remove the residual air in passage.After microreactor is preheated to default temperature of reaction by the energising of resistive heating rod (this temperature can be controlled by thermopair and temperature controller), pass into the working fluid being controlled flow by flow pump, namely first alcohol and water mixing solutions the driving of the propulsion sources such as syringe pump dirty enter the evaporation element of microreactor, be evaporated to methanol-water mixed vapour after absorbing the temperature of preheating table.Then, the access opening of Working medium gas through preheating table plate side flows into reforming reaction hydrogen manufacturing parts, carry out preparing hydrogen by reforming methanol reaction, obtained high-content hydrogen flows into thermal conductive cavity by the access opening of reforming reaction hydrogen manufacturing plate side, heat is passed to the hot junction of thermoelectric generator by the gas of high temperature in thermal conductive cavity, flows out finally by the outlet conduit by lower cover side.Meanwhile, the opposite side of microreactor upper cover plate passes into methanol air as combustion gases, combustion gases enter catalyticcombustion plate by the runner of evaporation element and preheating table side and carry out combustion reactions, and release amount of heat, this heat is used as the thermal source of reformation hydrogen production reaction.Catalyst combustion reaction product gas enters thermal conductive cavity through the runner of reformation hydrogen production Sptting plate side afterwards, temperature is passed to thermoelectric generator hot junction, flows out finally by the outlet conduit by lower cover side.In hydrogen production process, the pressure in reaction process is monitored by pressure unit.
Claims (4)
1. the self-heating type reformation hydrogen production microreactor with function of recovering waste heat, it is characterized in that: comprise insulation chambers cover plate (1), the micro-reaction module of reformation hydrogen production (2) and lagging casing (3) from top to bottom successively, the micro-reaction module of reformation hydrogen production (2) is arranged in lagging casing (3).
2. a kind of self-heating type reformation hydrogen production microreactor with function of recovering waste heat according to claim 1, it is characterized in that: the micro-reaction module of described reformation hydrogen production (2) is from top to bottom successively by upper cover plate assembly (4), evaporation element (5), preheating unit (6), catalyticcombustion assembly (7), reforming reaction hydrogen-producing assemblies (8), thermo-electric generation assembly (9) and lower cover assembly (10) composition; Wherein:
1) upper cover plate assembly (4): the upper cover plate (12) comprising two root entry stainless steel tubes and rectangular configuration, two root entry stainless steel tubes are contained in the upper surface along upper cover plate (12) length direction respectively, one end of two root entry stainless steel tubes is connected with the fluid inlet apertures of upper cover plate (12), and the other end of two root entry stainless steel tubes is each passed through insulation chambers cover plate (1);
2) evaporation element (5): be the rectangle evaporation plate (15) having parallelogram groove in a piece, preheating table (16) upper surface of parallelogram groove, described upper cover plate (12) lower surface and preheating unit (6) constitutes the evaporation cavity of evaporation element (5); Evaporation plate (15) side has runner hole, and this runner hole is coaxially arranged with the fluid inlet apertures of upper cover plate (12) side and communicate;
3) preheating unit (6): the preheating table (16) being one piece of cuboid structure, preheating table (16) is built-in with heating rod and thermopair, preheating table (16) side has two runner holes, one of them runner hole is communicated with the runner hole of rectangle evaporation plate (15), and another runner hole is positioned at the parallelogram groove of rectangle evaporation plate (15);
4) catalyticcombustion assembly (7): be the rectangle catalyticcombustion plate (17) having parallelogram groove in a piece, micro-boss array structure is had in groove, the parallelogram groove of the parallelogram groove in rectangle catalyticcombustion plate (17) and rectangle evaporation plate (15) is towards the opposite, rectangle catalyticcombustion plate (17) side has a runner hole, and this runner hole is communicated with runner hole preheating table (16) being positioned at evaporation plate (15) parallelogram groove; In the parallelogram groove of rectangle catalyticcombustion plate (17), opposite side has another runner hole;
5) reforming reaction hydrogen-producing assemblies (8): be rectangle reformation hydrogen production reaction carriers plate (18) having parallelogram groove in a piece, the reaction carriers of micro-boss array structure is had, the parallelogram groove of rectangle reformation hydrogen production reaction carriers plate (18) and the parallelogram groove of rectangle catalyticcombustion plate (17) towards the opposite in parallelogram groove; Reformation hydrogen production reaction carriers plate (18) side has two runner holes, one of them runner hole communicates with the runner hole in rectangle catalyticcombustion plate (17) parallelogram groove, and another runner hole is positioned at the parallelogram groove of reformation hydrogen production reaction carriers plate (18);
6) thermoelectric generator assembly (9): comprise rectangle heat-conducting plate (19) and block thermoelectric generator (20); The upper surface of the lower surface of reformation hydrogen production reaction carriers plate (18), heat conduction rectangular block (19) and block thermoelectric generator (20) forms thermal conductive cavity; The intermediate arrangement of the length direction of rectangle heat-conducting plate (19) has a dividing plate, and cavity is divided into two parts by this dividing plate, and in each part, arranged crosswise has floor; The side, hot junction of thermoelectric generator (20) has two runner holes, and the runner hole of opening with lower cover (13) side is coaxially arranged and communicate;
7) lower cover assembly (10): the lower cover (13) and two outlets stainless steel tube (14) that comprise rectangle; Two outlet pipes communicate with the runner hole of lower cover respectively; Lower cover (13) has rectangular tank, and integral installation timing lower cover (13) contacts with the hot junction of block temperature difference electrical equipment (20), and the cold junction of thermoelectric generator (20) exposes in atmosphere.
3. a kind of self-heating type reformation hydrogen production microreactor with function of recovering waste heat according to claim 1, is characterized in that: the hot junction of described block thermoelectric generator (20) and reformation hydrogen production reaction carriers plate (18) lower surface and heat conduction rectangular block (19) form thermal conductive cavity.
4. a kind of self-heating type reformation hydrogen production microreactor with function of recovering waste heat according to claim 1, is characterized in that: add asbestos between the micro-reaction module of described reformation hydrogen production (2) and lagging casing (3).
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| CN106622063A (en) * | 2016-12-27 | 2017-05-10 | 厦门大学 | Hydrogen production reactor based on waste heat utilization |
| CN106629598A (en) * | 2016-11-11 | 2017-05-10 | 浙江大学 | Self-heating type reactor used for hydrogen production by reforming and filled with high-temperature phase-change material |
| CN108023504A (en) * | 2017-11-24 | 2018-05-11 | 南京理工大学 | Catalysis burning and heat to electricity conversion integration generating device |
| CN110803679A (en) * | 2019-12-09 | 2020-02-18 | 浙江大学 | Methanol reforming hydrogen production reactor with flow velocity distribution uniformity |
| CN110902651A (en) * | 2019-12-05 | 2020-03-24 | 浙江大学 | Self-heating annular methanol reforming hydrogen production reactor |
| CN113731330A (en) * | 2021-09-07 | 2021-12-03 | 中国人民解放军陆军装甲兵学院 | Device of high efficiency preparation graphite alkene magnetic powder |
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