CN102179214B - Multilayer combined type miniature catalytic reforming reactor - Google Patents
Multilayer combined type miniature catalytic reforming reactor Download PDFInfo
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- CN102179214B CN102179214B CN 201110067706 CN201110067706A CN102179214B CN 102179214 B CN102179214 B CN 102179214B CN 201110067706 CN201110067706 CN 201110067706 CN 201110067706 A CN201110067706 A CN 201110067706A CN 102179214 B CN102179214 B CN 102179214B
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Abstract
The invention discloses a multilayer combined type miniature catalytic reforming reactor comprising a seal cylinder, wherein the seal cylinder comprises an upper panel, a lower bottom plate and an outer cylinder; the upper panel is provided with a plurality of coaxial upper inner cylinders, the lower bottom plate is provided with coaxial lower inner cylinders with same amount with the upper inner cylinders and staggered with the lower inner cylinders, the difference of heights of the upper inner cylinders and the lower inner cylinders is smaller than the distance from the upper panel to the lower bottom plate, and the lower inner cylinder at the innermost side extends out of the lower bottom plate; annular reaction channels are respectively formed between the outer cylinder and each upper inner cylinder and between each upper inner cylinder and each lower inner cylinder; and a plurality of air inlet pipes communicated with the annular reaction channels are arranged on the circumference of the outer cylinder along the tangential direction. In the invention, an inner cylinder, an outer cylinder and a spiral guide plate which are crossed on an upper bottom plate and a lower panel are formed into continuously ascending or descending channel so that liquid in the channel advances spirally along the channel to ensure that the movement path of reaction gas in a small space is greatly lengthened, the reaction time is prolonged, and the mixing quality of fuel gas and air is improved.
Description
Technical field
The present invention relates to a kind of reforming reactor that is applicable to gas reaction, relate in particular to a kind of multi-layer combined miniature catalytic reforming reactor.
Background technology
Along with the development that microelectromechanical systems (MEMS) technology is maked rapid progress, little apparatus becomes clear day by day to the influence in many fields, and the microminiaturization of device and the research of microsystem have become the important topic of current research.Chinese scholars and expert have done a large amount of research and exploration to this problem, but also have certain gap from practical application.Microburner is the core part of microelectromechanical systems, performance to microelectromechanical systems produces great influence, it is little that microburner has a volume, the energy density advantages of higher, in order to reach the energy density height, hydrocarbon fuel has become first-selection, yet the burning of hydrocarbon fuel has run into that the combustion space is too little in fine space, burning time is too short and the combustion instability that causes and problem such as insufficient.Because the high reactivity that hydrogen itself has, high heating value and the overheavy firing of high diffusibility energy, if the existence of appropriate amount of hydrogen is arranged in the combustion process of methane, just can significantly improve the catching fire of fuel, burning and emission performance, especially more obvious to the effect of surely lighting in microburner, thereby produce hydrogen by methane reforming reaction and improve the popular research topic that combustion process becomes Chinese scholars and researcher.But more existing mini reforming reactors have following deficiency: one, radiation loss is serious; Two, gas pre-mixed close abundant inadequately; Three, cause reforming reaction abundant inadequately owing to response path is too short; Four, structure of reactor complexity, movable part is too many, processing difficulties.
Summary of the invention
At the prior art above shortcomings, it is easy to connect to the invention provides a kind of and source of the gas, can make tiny flow quantity gas rapidly and efficiently hybrid concurrency give birth to the multi-layer combined miniature catalytic reforming reactor of catalytic reforming reaction.
The object of the present invention is achieved like this: multi-layer combined miniature catalytic reforming reactor comprises the sealing drum of being made up of top panel, the lower shoe parallel with top panel and outer cylinder; In the described sealing drum and in the above plate is provided with a plurality of and the last inner cylinder sealing drum coaxial line, in the described sealing drum and on lower shoe, be provided with equate with last inner cylinder quantity and with the following inner cylinder of sealing drum coaxial line, described inner cylinder and the following inner cylinder interlaced arrangement of going up, the described height of inner cylinder and following inner cylinder of going up is less than the distance between top panel and the lower shoe, and the most inboard one deck is following inner cylinder, the most inboard following inner cylinder stretches out lower shoe, and external part is an exhaust outlet; Form the annular reaction passage between described outer cylinder and the last inner cylinder and between last inner cylinder and the following inner cylinder; On the excircle of outer cylinder and near top panel, be provided with a plurality of and the air intake duct annular reaction channel connection, be provided with gas inlet pipe with the annular reaction channel connection along the tangential direction of outer cylinder on the excircle of outer cylinder, between adjacent two air intake ducts along the tangential direction of outer cylinder.
Further, be respectively equipped with the deflector of type structure in the shape of a spiral on the inside and outside wall of the inwall of described outer cylinder and last inner cylinder and following inner cylinder;
Further, described deflector is along the oblique setting of the direction of gas flow;
Further again, the inwall of described outer cylinder, go up on the inside and outside wall of inner cylinder and play inner cylinder and to apply Ni on the deflector catalyst based.
Multi-layer combined miniature catalytic reforming reactor of the present invention compared with prior art has following advantage:
1. use the spiral multilayer barrel type as reforming reactor, simplified the making of the spiral multichannel labyrinth reactor in the short space greatly, do not have any movable part, make simple, easy for installation.
2. multi-layer cylinder and the deflector on it have increased catalysis wall surface area, have prolonged response path, and the reaction time is significantly improved, and have improved reaction efficiency, help reducing the overall dimensions of microburner.
3. the annular reaction passage formed of multi-layer cylinder, the equal coated catalysts of each cylinder wall has reduced the whole catalysis wall and the ratio of the contact area of low temperature environment on every side relatively, has reduced radiation loss.
4. the deflector of cylinder and spiral-shaped structure is formed the not closed channel that rises or descend continuously, and the fluid between making every layer advances along this passage spiral, prolongs the motion path and the reaction time of little space reaction gases greatly.
5. air inlet pipe is along the tangential direction setting of outer cylinder, and it is swirl-flow premixed that gas enters the interior formation of annular reaction passage, and make the adherent motion of fluid, quickens the diffusion of air-flow to the catalysis wall, prolongs the fluid motion path.Also extended simultaneously spacing between inlet duct makes the connection of pipeline more convenient.
Description of drawings
Fig. 1 is the structural representation of multi-layer combined miniature catalytic reforming reactor;
Fig. 2 is along the cross section view of A-A direction among Fig. 1;
Fig. 3 is the vertical view of multi-layer combined miniature catalytic reforming reactor.
In the accompanying drawing: 1-top panel; 2-lower shoe; 3-outer cylinder; 4-upward inner cylinders; 5-following inner cylinder; 6-annular reaction passage; 7-exhaust outlet; 81-air intake duct; 82-gas inlet pipe; 9-deflector.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is done explanation in further detail.
Fig. 1 is the structural representation of multi-layer combined miniature catalytic reforming reactor, Fig. 2 be among Fig. 1 along the cross section view of A-A direction, Fig. 3 is the vertical view of multi-layer combined miniature catalytic reforming reactor, as shown in the figure.Multi-layer combined miniature catalytic reforming reactor comprises the sealing drum of being made up of top panel 1, the lower shoe 2 parallel with top panel 1 and outer cylinder 3.In the sealing drum, and plate 1 is provided with in the last inner cylinder 4(present embodiment of a plurality of and sealing drum coaxial line in the above, two inner cylinders have only drawn), in the sealing drum, and on lower shoe 2, be provided with equate with last inner cylinder 4 quantity and with the following inner cylinder 5(present embodiment of sealing drum coaxial line in, inner cylinder is two), last inner cylinder 4 and following inner cylinder 5 interlaced arrangement, the height of last inner cylinder 4 and following inner cylinder 5 is less than the distance between top panel 1 and the lower shoe 2, and the most inboard one deck is following inner cylinder, the most following inner cylinder of inboard one deck stretches out lower shoe 2, and external part is an exhaust outlet 7.Form annular reaction passage 6 between outer cylinder 3 and the last inner cylinder 4 and between last inner cylinder 4 and the following inner cylinder 5.On the excircle of outer cylinder 3, and close top panel 1 is provided with a plurality of air intake ducts 81 that are communicated with annular reaction passage 6 along the tangential direction of outer cylinder 3, on the excircle of outer cylinder 3, tangential direction along outer cylinder 3 between adjacent two air intake ducts 81 is provided with the gas inlet pipe 82 that is communicated with annular reaction passage 6, be air intake duct 81 and gas inlet pipe 82 for cross-distribution (in the present embodiment, tangential direction along outer cylinder 3 is provided with six air intake ducts 81 and six gas inlet pipes 82, and air intake duct 81 and gas inlet pipe 82 are cross-distribution).
Be respectively equipped with the deflector 9 of type structure in the shape of a spiral on the inside and outside wall of the inwall of outer cylinder 3 and last inner cylinder 4 and following inner cylinder 5, deflector 9 is along the oblique setting of the direction of gas flow, the inwall of outer cylinder 3, goes up on the inside and outside wall of inner cylinder 4 and play inner cylinder 5 and to apply Ni on the deflector 9 catalyst based.The deflector 9 of cylinder and spiral-shaped structure forms the annular reaction passage 6 that untight spiral rises or descends, fluid in the annular reaction passage 6 is advanced along this passage spiral, prolong the motion path and the reaction time of little space reaction gases greatly, improved combustion gas and Air mixing quality.
Along air intake duct 81 that is provided with on the tangential direction of outer cylinder 3 and gas inlet pipe 82, air intake duct 81 is connected with source of the gas simply with gas inlet pipe 82, solves effectively and simplified combustion gas air admission hole, air inlet hole to be connected difficult problem with source of the gas.
Use this multi-layer combined miniature catalytic reforming reactor, at first outer cylinder 3 outer air intake ducts 81 are connected with gas source with the air source of the gas respectively with gas inlet pipe 82, air and combustion gas enter in the annular reaction passage 6 along the tangential direction of outer cylinder 3, under the guiding of deflector 9, in annular reaction passage 6, become swirl-flow premixed, and make the adherent motion of fluid, quicken the diffusion of air-flow to the catalysis wall, under the catalyst based effect of Ni catalytic reforming reaction takes place, the H that reaction produces
2Discharge from exhaust outlet 7 with CO.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (3)
1. multi-layer combined miniature catalytic reforming reactor is characterized in that: comprise the sealing drum of being made up of top panel (1), the lower shoe (2) parallel with top panel (1) and outer cylinder (3); In the described sealing drum, and plate (1) is provided with a plurality of and last inner cylinder (4) the sealing drum coaxial line in the above, in the described sealing drum, and on lower shoe (2), be provided with equate with last inner cylinder (4) quantity and with the following inner cylinder (5) of sealing drum coaxial line, described inner cylinder (4) and following inner cylinder (5) interlaced arrangement of going up, the described height of inner cylinder (4) and following inner cylinder (5) of going up is less than the distance between top panel (1) and the lower shoe (2), and the most inboard one deck is following inner cylinder, the most inboard following inner cylinder stretches out lower shoe (2), and external part is exhaust outlet (7); Form annular reaction passage (6) between described outer cylinder (3) and the last inner cylinder (4) and between last inner cylinder (4) and the following inner cylinder (5); On the excircle of outer cylinder (3) and near top panel (1), be provided with a plurality of air intake ducts (81) that are communicated with annular reaction passage (6), be provided with the gas inlet pipe (82) that is communicated with annular reaction passage (6) in the tangential direction along outer cylinder (3) on the excircle of outer cylinder (3), between adjacent two air intake ducts (81) along the tangential direction of outer cylinder (3); Be respectively equipped with the deflector of type structure (9) in the shape of a spiral on the inside and outside wall of the inwall of described outer cylinder (3) and last inner cylinder (4) and following inner cylinder (5).
2. multi-layer combined miniature catalytic reforming reactor according to claim 1 is characterized in that: described deflector (9) is along the oblique setting of the direction of gas flow.
3. multi-layer combined miniature catalytic reforming reactor according to claim 1 and 2 is characterized in that: the inwall of described outer cylinder (3), go up on the inside and outside wall of inner cylinder (4) and play inner cylinder (5) and to apply Ni on the deflector (9) catalyst based.
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CN 201110067706 CN102179214B (en) | 2011-03-21 | 2011-03-21 | Multilayer combined type miniature catalytic reforming reactor |
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CN104132346A (en) * | 2014-07-01 | 2014-11-05 | 天津大学 | Micro-combustion thermal-photovoltaic generating device with regeneration function |
CN109694037B (en) * | 2017-10-20 | 2021-03-05 | 中国石化工程建设有限公司 | Reforming hydrogen production reactor, reforming hydrogen production converter and reforming hydrogen production reaction method |
CN109692629B (en) * | 2017-10-20 | 2021-03-02 | 中国石化工程建设有限公司 | Reforming hydrogen production reactor, reforming furnace thereof and reforming hydrogen production reaction method |
CN109694039B (en) * | 2017-10-20 | 2021-04-23 | 中国石化工程建设有限公司 | Reforming hydrogen production reactor, hydrogen production conversion furnace and reforming hydrogen production method |
CN109694042B (en) * | 2017-10-20 | 2021-03-05 | 中国石化工程建设有限公司 | Reforming hydrogen production reactor, reforming furnace thereof and reforming hydrogen production reaction method |
CN110860258B (en) * | 2018-08-27 | 2022-02-22 | 武汉氢阳能源有限公司 | Embedded combustion reactor and application thereof |
CN111490275B (en) * | 2020-04-10 | 2023-02-17 | 辽宁石油化工大学 | Reforming device of fuel cell |
CN114984863B (en) * | 2022-08-04 | 2022-11-08 | 江苏铧德氢能源科技有限公司 | Feeding mechanism for reaction materials in reforming reaction chamber in hydrogen production device |
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US7182921B2 (en) * | 2001-06-04 | 2007-02-27 | Tokyo Gas Co., Ltd. | Cylindrical steam reforming unit |
CN101489917B (en) * | 2006-10-16 | 2012-05-02 | 松下电器产业株式会社 | Hydrogen production apparatus and fuel cell system comprising the same |
CN201105172Y (en) * | 2007-10-23 | 2008-08-27 | 浙江工业大学 | Deflection of jet type gas-liquid cross flow type ultra-gravitational field swinging bed device |
JP4880086B2 (en) * | 2009-03-09 | 2012-02-22 | パナソニック株式会社 | HYDROGEN GENERATOR, ITS MANUFACTURING METHOD, AND FUEL CELL SYSTEM USING THE SAME |
CN201997324U (en) * | 2011-03-21 | 2011-10-05 | 重庆大学 | Spiral multilayer cylinder type minitype catalytic reforming reactor |
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