CN101643202A - Vehicle-mounted hydrogen production device - Google Patents
Vehicle-mounted hydrogen production device Download PDFInfo
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- CN101643202A CN101643202A CN200910169578A CN200910169578A CN101643202A CN 101643202 A CN101643202 A CN 101643202A CN 200910169578 A CN200910169578 A CN 200910169578A CN 200910169578 A CN200910169578 A CN 200910169578A CN 101643202 A CN101643202 A CN 101643202A
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The invention relates to a vehicle-mounted hydrogen production device, an alcohol outlet (6) of an alcohol box (1) is connected with a heater through an alcohol pipe, an alcohol gas outlet of the heater is connected with a reactor through an alcohol pipe, the reactor is provided with a pyrolysis gas outlet which is used to connect with a vehicle motor; one end of the heater is provided with a tailgas inlet which is used to connect with the vehicle motor, and the other end is provided with a tail gas outlet which is used to connect with a mufeler. By using the invention to produce hydrogen onvehicle, partial gasoline can be replaced, the atomizing, mixing and burning of gasoline can be improved and the thermal efficiency of the gasoline engine is improved. Practical detections show that when the hydrogen fraction in the fuel blends is 4.7wt%, 30-40% of fuel oil can be replaced and the total amount of hydrocarbons, nitrogen oxides and carbon monoxide in tail gas can be reduced by morethan 90%.
Description
(1), technical field
The present invention relates to a kind of isolated plant of producing hydrogen.Specifically, be a kind of vehicle-mounted hydrogen production device that utilizes the engine exhaust gas waste heat that the methyl alcohol catalytic pyrolysis is reformed.
(2), background technology
Hydrogen Energy with its cleaning, efficient, renewablely be regarded as the most potential energy in this century, and the car combustion engine of existing burning petroleum fuel is not done any change and just can be mixed hydrogen and mix combustion.Plurality of advantages is also arranged when hydrogen fuel is used for automobile, and for example, the unit mass thermal value of hydrogen is higher than gasoline; The flame propagation velocity of hydrogen is faster than gasoline; It is little etc. that hydrogen has the wideer boundary of catching fire, an ignition energy than gasoline.Alcohol hydrogen is the high-tech industry focus of 21st century for combustion, and therefore, Hydrogen Energy is considered to have most the car combustion engine fuel substitute of prospect.Owing to mix the hydrogen propellant combination, easily realize lean burn, can in the operating mode of broadness, obtain fuel economy preferably.
In recent years be difficult to the direct characteristics that store with car at hydrogen fuel both at home and abroad, replace hydrogen to carry with methyl alcohol with car, and utilize engine exhaust heat that methanol aqueous solution is restructured as hydrogen, methanol reformed gas is mixed as motor spirit with gasoline or diesel oil, solved the storage of hydrogen fuel on motor car engine preferably, carried, made hydrogen fuel the applying on motor car engine become possibility.Catalyzer on the automobile in all right instant regeneration tail gas treater of the instant hydrogen that takes place.Vehicle-mounted hydrogen production has also been removed the storage and the transit link of Hydrogen Energy from.
The methanol reformed gas that afterheat of IC engine hydrogen from methyl alcohol mode produces also comprises a spot of CO, CO except that hydrogen
2, O
2, N
2Deng gas.The hydrogen of mixing that the gas that this hydrogen manufacturing mode produces is particularly suitable for oil engine mixes combustion, and rich hydrogen fuel mixture boundary is much wideer than pure fuel mixture, can realize obtaining fuel economy preferably by stable super lean burn under the different blended composition and division in a proportion.Aerial velocity of diffusion of hydrogen and combustionvelocity are very fast, help the uniform mixing and the rapid combustion of gasoline and air, feasible also alternative 30～40% the fuel oil of discharge of hydrogen internal combustion engine minimizing, dynamic property raising, oil consumption reduction that mixes.In addition, the recovery part using waste heat from tail gas has reduced tail gas largely and has entered atmospheric temperature, has reduced the thermal pollution and the sound pollution of tail gas.
The vehicle-mounted methanol reforming hydrogen production device, at present tubular type and plate-fin structures of adopting more.Publication number is that the Chinese patent of CN85109487 discloses a kind of " engine producing hydrogen with remainder heat ", be welded on 2 end plates by 10～20 thin-wall stainless steel tubules, steel duct is led to burning gas, is used to heat heat transfer tube, and the steel pipe outside is coated reforming catalyst and is used for catalysis methanol and water vapour.Because the outer surface of steel tube area is less, the catalyst coated area is limited, makes the methyl alcohol that does not touch catalyzer and the water vapour that are in the reformer cavity be difficult to take place reforming reaction, causes producing that the hydrogen rate is low, methanol conversion is low.
" hydrogen production from methanol-steam reforming in the plate-fin reactor " (Pan Liwei, Wang Shudong,, chemical industry journal, 2005,56 (3): 468～473) disclose a kind of plate-fin methanol reformer.It is welded by wavy stainless steel sheet and coaming plate, adopting wave as much as possible is in order to increase catalyst coated and heat transfer sheet area, this reformer is divided into inner chamber one burning air cavity and exocoel one methyl alcohol and water vapour reaction chamber, because can only be at wave plate surface applied catalyzer, make interior methyl alcohol and the water vapour of reaction chamber be difficult to take place reforming reaction away from wave plate surface, directly discharge, cause producing that the hydrogen rate is low, methanol conversion is low from venting port.
Above-mentioned waste heat schizolysis hydrogen production plant is all the cracking and catalyzing reaction bed that the waste heat that utilizes internal-combustion engine vent-pipe tail gas directly adds device for producing hydrogen, be difficult to guarantee the homo(io)thermism of cracking and catalyzing reaction bed, quality and hydrogen manufacturing amount that this will have a strong impact on Aalcohols fuel cracking rich gas gas cause such waste heat schizolysis hydrogen production plant to be difficult to and the work of oil engine matching coordinative.On the other hand,, be easy to cause catalyst deactivation, have a strong impact on the work-ing life of catalyzer in the device for producing hydrogen owing to the type of heating to catalyzer is the exhaust gases of internal combustion engines direct heating steel pipe of band flame.
(3), summary of the invention
The objective of the invention is in order to overcome the defective of existing vehicle-mounted reforming hydrogen production device, and a kind of new vehicle-mounted hydrogen production device is provided.Technical problem to be solved by this invention is: the first, the car combustion engine tail gas heat quantity can be stored in the well heater, have suitable, constant temp to keep hydrogen production reaction; The second, the catalytic pyrolysis reforming reaction is by the tail gas direct heating of aerosol heating replacement band flame, to prolong the work-ing life of catalyzer; Three, this device have more rationally, mounting means flexibly.
In order to solve the problems of the technologies described above, the present invention has adopted following technical scheme.
A kind of vehicle-mounted hydrogen production device comprises pure case, it is characterized in that: the outlet of the alcohol of pure case is by pure pipe coupling having heaters, and the pure vapor outlet of well heater is by the pure pipe coupling device that responds, and reactor has the splitting gas that is used for being connected with vehicle motor and exports; Described well heater one end has and is used for the tail gas import that is connected with vehicle motor, and the other end has and is used for the tail gas outlet that is connected with sound damper.
Comprise that also inner chamber is provided with the air water separator of heat transfer tube; Alcohol pipe between described alcohol outlet and the well heater is through the heat transfer tube of this air water separator inner chamber; What the outlet of the splitting gas of described reactor connected air water separator advances the hydrogen mouth, and this air water separator has and is used for the hydrogen opening that is connected with vehicle motor.
Described well heater comprises the interior heat storage of housing cylindraceous and enclosure interior; Intracavity space one end of housing is communicated with the tail gas import, and the other end is communicated with the tail gas outlet; Also be provided with the spirrillum heat exchanger tube on the heat storage in being coiled in the intracavity space of housing, this heat exchanger tube one end connects the alcohol pipe between alcohol outlet and the well heater, and the other end connects the alcohol pipe between well heater and the reactor; In described heat storage by interior heat accumulation pipe and in being arranged at the some radially trends on the heat accumulation pipe inwall inner fin form.
Enclosure interior can also be provided with outer heat storage, described heat exchanger tube interior heat storage and outside between the heat storage; Described outer heat storage by outer heat accumulation pipe and be arranged at that some on the outer heat accumulation pipe outer wall radially move towards outer fin form.
Described well heater can be a unit, also can be formed by plural heater unit serial connection; The intracavity space of the housing between the adjacent reactor unit communicates, and heat exchanger tube communicates.
Described reactor is that two ends have pure vapour inlet and the cavity that splitting gas exports respectively, loads the catalyzer of catalytic pyrolysis reformation usefulness in the cavity body.
Described reactor can be a unit, also can be formed by connecting by plural reactor unit; Type of attachment comprises series, parallel and series-parallel connection.
Positively effect of the present invention is: (1), will heat vaporization and reform with catalytic pyrolysis and be divided into two structural units.Earlier with alcohol heating atomization in well heater, the steam fog that possesses enough temperature of reaction enters reactor and carries out the catalytic pyrolysis reformation, effectively avoid oil engine band rear gas to the catalyst deactivation problem that the catalyzer direct heating causes, improved catalyzer work-ing life greatly.(2), because reactor adopts inside and outside fin, and heat interchanging area increases substantially, heat absorption, heat accumulation better effects if can be stored in the car combustion engine tail gas heat quantity in the well heater, have suitable, constant temp to keep hydrogen production reaction.(3), the well heater compact overall structure, reactor quick heating, resistance of exhaust are little, and manufacturing, operation cost are low.(4), can select different aggregate erection modes, reactor can adopt one group, also can organize series, parallel or series-parallel connection combination more, has more rationally, mounting means flexibly according to vehicle startup unit room installing space reactor.
Adopt the present invention with car hydrogen manufacturing, alternative part gasoline also improves atomizing, the mixing and burning of gasoline, improves the thermo-efficiency of petrol motor.Through actual detected, mix the hydrogen ratio when 4.7wt%, alternative 30～40% fuel oil, the hydrocarbon polymer in the tail gas, oxynitrides and carbon monoxide total amount reduce more than 90%.
(4), description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of well heater of the present invention.
Fig. 3 is the vertical section synoptic diagram of well heater of the present invention.
Fig. 4 is the structural representation of the interior heat storage of well heater of the present invention.
Fig. 5 is the vertical section synoptic diagram of the interior heat storage of well heater of the present invention.
Fig. 6 is the structural representation of the outer heat storage of well heater of the present invention.
Fig. 7 is the vertical section synoptic diagram of the outer heat storage of well heater of the present invention.
Fig. 8 is the structural representation of reactor of the present invention.
(5), embodiment
Further specify the present invention below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, present embodiment comprises and contains methyl alcohol or alcoholic acid alcohol case 1, go into alcohol mouth 2 with the alcohol outlet 6 pure pipes that are connected of pure case 1 from air water separator and penetrate air water separator 19 inner chambers, and go into alcohol end and be communicated with the heat transfer tube 4 in air water separator 19 inner chambers, go out to pass for pure mouthful 7 the inner connection of alcohol pipe heat transfer tube 4 from air water separator and go out the alcohol end, the outer end connects well heater.Described heat transfer tube 4 is shape in the shape of a spiral, is beneficial to the heat exchange between interior alcohol of heat transfer tube and the splitting gas.
Shown in Fig. 2,3, each heater unit includes the interior heat storage 23 of housing 21 cylindraceous and housing 21 inside.The thermal insulation layer of housing 21 for making by lagging materials such as rock wool and glass fiber blanket.Intracavity space one end of housing 21 is communicated with the tail gas import, and the other end is communicated with the tail gas outlet; Also be provided with the spirrillum heat exchanger tube 22 on the heat storage 23 in being coiled in the intracavity space of housing 21, the alcohol mouth 25 of going into of this heat exchanger tube 22 passes through pure pipe coupling air water separator 19, and the pure vapor outlet 20 of this heat exchanger tube 22 is by pure pipe reactor.Shown in Fig. 4,5, described in heat storage 23 by interior heat accumulation pipe and in being arranged at the some radially trends on the heat accumulation pipe inwall inner fin 26 form.
Described well heater can be a unit, also can be formed by plural heater unit serial connection; The intracavity space of the housing 21 between the adjacent reactor unit communicates, and heat exchanger tube 22 communicates.In this example, well heater is three unit that are connected in series mutually, i.e. primary heater 13, secondary heater 14 and the 3rd well heater 15.Wherein, the alcohol mouth 25 of going into of the 3rd well heater 15 goes out alcohol mouth 7 by pure pipe coupling air water separator, the pure vapor outlet of the 3rd well heater 15 is by pure mouthful of going into of pure pipe coupling secondary heater 14, the pure vapor outlet of secondary heater 14 is by pure mouthful of going into of pure pipe coupling primary heater 13, and the pure vapor outlet 20 of primary heater 13 is connected with the pure vapour inlet of reactor.Primary heater 13 1 ends have and are used for the tail gas import that is connected with vehicle motor 18, and the 3rd well heater 15 1 ends have and are used for the tail gas outlet that is connected with sound damper 9.
Described reactor is that two ends have pure vapour inlet and the cavity that splitting gas exports respectively, loads the catalyzer of catalytic pyrolysis reformation usefulness in the cavity body.
Described reactor can be a unit, also can be formed by connecting by plural reactor unit; Type of attachment comprises series, parallel and series-parallel connection.In this example, reactor is formed in parallel by first reactor 10, second reactor 11 and the 3rd reactor 12.One end of three reactor units connects by pipeline respectively and is connected with the pure vapor outlet 20 of primary heater 13, and the other end connects by pipeline respectively and is connected with the hydrogen mouth 8 that advances of air water separator 19.
Still as Fig. 1, air water separator 19 has into hydrogen mouth 8 and hydrogen opening 5, also has water port 3.Wherein, hydrogen opening 5 is used for being connected with engine 18.
Use when of the present invention, it is indoor that this device is installed on vehicle motor.Well heater of the present invention is connected between engine 18 and the sound damper 9, hydrogen opening 5 is connected with engine 18, fuel tank 16 is connected with engine 18.Described engine 18 has air filter 17.
Utilize engine 18 discharge tail gas respectively to primary heater 13, secondary heater 14 and 15 heating of the 3rd well heater.When temperature in the well heater reaches more than 300 ℃, alcohol in the alcohol case 1 enters into the heat transfer tube 4 of oil-gas separator 19, from pure mouthful 7 to the 3rd reactors 15 of going out of oil-gas separator 19, advanced second reactor 14 and first reactor, 13 to first reactors 10, second reactor 11 and the 3rd reactor 12, hydrogen enters into air water separator 19 from the hydrogen mouth 8 that advances of oil-gas separator 19, with heat transfer tube 4 refrigerated separation water outlets, isolated water is discharged through water port 3, and hydrogen enters engine 18 from the hydrogen opening 5 of oil-gas separator 19.
Claims (10)
1, a kind of vehicle-mounted hydrogen production device, comprise pure case (1), it is characterized in that: the alcohol of pure case (1) outlet (6) is by pure pipe coupling having heaters, and the pure vapor outlet of well heater is by the pure pipe coupling device that responds, and reactor has the splitting gas that is used for being connected with vehicle motor and exports; Described well heater one end has and is used for the tail gas import that is connected with vehicle motor, and the other end has and is used for the tail gas outlet that is connected with sound damper.
2, vehicle-mounted hydrogen production device as claimed in claim 1 is characterized in that: comprise that also inner chamber is provided with the air water separator of heat transfer tube (4) (19); Alcohol pipe between described alcohol outlet (6) and the well heater is through the heat transfer tube (4) of this air water separator (19) inner chamber; What the outlet of the splitting gas of described reactor connected air water separator (19) advances hydrogen mouth (8), and this air water separator (19) has and is used for the hydrogen opening (5) that is connected with vehicle motor.
3, vehicle-mounted hydrogen production device as claimed in claim 1 or 2 is characterized in that: described well heater comprises housing cylindraceous (21) and the inner interior heat storage (23) of housing (21); Intracavity space one end of housing (21) is communicated with the tail gas import, and the other end is communicated with the tail gas outlet; Also be provided with the spirrillum heat exchanger tube (22) that is coiled on the interior heat storage (23) in the intracavity space of housing (21), these heat exchanger tube (22) one ends connect the alcohol pipe between alcohol outlet (6) and the well heater, and the other end connects the alcohol pipe between well heater and the reactor; In described heat storage (23) by interior heat accumulation pipe and in being arranged at the some radially trends on the heat accumulation pipe inwall inner fin (26) form.
4, vehicle-mounted hydrogen production device as claimed in claim 3 is characterized in that: housing (21) inside also is provided with outer heat storage (24), and described heat exchanger tube (22) is positioned between heat storage (23) and the outer heat storage (24); Described outer heat storage (24) by outer heat accumulation pipe and be arranged at that some on the outer heat accumulation pipe outer wall radially move towards outer fin (27) form.
5, vehicle-mounted hydrogen production device as claimed in claim 3 is characterized in that: described well heater is formed by plural heater unit serial connection; The intracavity space of the housing between the adjacent reactor unit (21) communicates, and heat exchanger tube (22) communicates.
6, vehicle-mounted hydrogen production device as claimed in claim 4 is characterized in that: described well heater is formed by plural heater unit serial connection; The intracavity space of the housing between the adjacent reactor unit (21) communicates, and heat exchanger tube (22) communicates.
7, vehicle-mounted hydrogen production device as claimed in claim 1 or 2 is characterized in that: described reactor is that two ends have pure vapour inlet and the cavity that splitting gas exports respectively, loads the catalyzer of catalytic pyrolysis reformation usefulness in the cavity body.
8, vehicle-mounted hydrogen production device as claimed in claim 7 is characterized in that: described reactor is formed by connecting by plural reactor unit; Type of attachment comprises series, parallel and series-parallel connection.
9, vehicle-mounted hydrogen production device as claimed in claim 3 is characterized in that: described reactor is that two ends have pure vapour inlet and the cavity that splitting gas exports respectively, loads the catalyzer of catalytic pyrolysis reformation usefulness in the cavity body; Described reactor is formed by connecting by plural reactor unit; Type of attachment comprises series, parallel and series-parallel connection.
10, vehicle-mounted hydrogen production device as claimed in claim 4 is characterized in that: described reactor is that two ends have pure vapour inlet and the cavity that splitting gas exports respectively, loads the catalyzer of catalytic pyrolysis reformation usefulness in the cavity body; Described reactor is formed by connecting by plural reactor unit; Type of attachment comprises series, parallel and series-parallel connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101695789A CN101643202B (en) | 2009-09-10 | 2009-09-10 | Vehicle-mounted hydrogen production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101695789A CN101643202B (en) | 2009-09-10 | 2009-09-10 | Vehicle-mounted hydrogen production device |
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| CN101643202A true CN101643202A (en) | 2010-02-10 |
| CN101643202B CN101643202B (en) | 2011-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101695789A Expired - Fee Related CN101643202B (en) | 2009-09-10 | 2009-09-10 | Vehicle-mounted hydrogen production device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061924A (en) * | 2011-10-21 | 2013-04-24 | 火传利能科技股份有限公司 | Engine hydrogenation equipment utilizing engine waste heat to start carbinol reformer |
| CN104612861A (en) * | 2014-07-15 | 2015-05-13 | 李子京 | Methanol-hydrogen fuel engine |
| CN105804895A (en) * | 2014-12-29 | 2016-07-27 | 曲贵辰 | Oil/gas engine energy-saving environmental-protection device and method |
| CN106241734A (en) * | 2016-08-05 | 2016-12-21 | 华中科技大学 | A kind of methanol decomposition reactor |
| CN107355317A (en) * | 2017-06-28 | 2017-11-17 | 广西启明氢能源有限公司 | A kind of internal-combustion steam engine |
-
2009
- 2009-09-10 CN CN2009101695789A patent/CN101643202B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061924A (en) * | 2011-10-21 | 2013-04-24 | 火传利能科技股份有限公司 | Engine hydrogenation equipment utilizing engine waste heat to start carbinol reformer |
| CN104612861A (en) * | 2014-07-15 | 2015-05-13 | 李子京 | Methanol-hydrogen fuel engine |
| CN104612861B (en) * | 2014-07-15 | 2017-02-01 | 宁波吉宏醇氢动力技术有限公司 | Methanol-hydrogen fuel engine |
| CN105804895A (en) * | 2014-12-29 | 2016-07-27 | 曲贵辰 | Oil/gas engine energy-saving environmental-protection device and method |
| CN106241734A (en) * | 2016-08-05 | 2016-12-21 | 华中科技大学 | A kind of methanol decomposition reactor |
| CN107355317A (en) * | 2017-06-28 | 2017-11-17 | 广西启明氢能源有限公司 | A kind of internal-combustion steam engine |
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| Publication number | Publication date |
|---|---|
| CN101643202B (en) | 2011-04-20 |
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Owner name: JIANGSU HUALU ALCOHOL HYDROGEN POWER TECHNOLOGY CO Free format text: FORMER OWNER: REN CHUNGUANG Effective date: 20120208 |
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Effective date of registration: 20120208 Address after: 210042 Xu Zhuang Software Park, 699-27 Xuanwu Avenue, Jiangsu City, Nanjing Province, 2 buildings, three buildings, 5 buildings Patentee after: Jiangsu Hualu alcohol hydrogen power technology Co Ltd Address before: 257300 Shandong province Guangrao County Sun Hongwu Road opposite the long-distance bus station on the third floor of Taiping Life Shandong Chunguang alcohol hydrogen power equipment Co Ltd Patentee before: Ren Chunguang |
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