CN209383387U - A kind of online methanol reformer for producing hydrogen-rich gas using engine tail gas heat quantity - Google Patents
A kind of online methanol reformer for producing hydrogen-rich gas using engine tail gas heat quantity Download PDFInfo
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- CN209383387U CN209383387U CN201821845273.6U CN201821845273U CN209383387U CN 209383387 U CN209383387 U CN 209383387U CN 201821845273 U CN201821845273 U CN 201821845273U CN 209383387 U CN209383387 U CN 209383387U
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- methanol
- evaporator section
- reformer
- outlet
- fixedly connected
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 436
- 239000007789 gas Substances 0.000 title claims abstract description 83
- 239000001257 hydrogen Substances 0.000 title claims abstract description 37
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 37
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 238000006243 chemical reaction Methods 0.000 claims abstract description 54
- 239000002912 waste gas Substances 0.000 claims abstract description 24
- 239000003054 catalyst Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 238000001704 evaporation Methods 0.000 claims description 32
- 230000008676 import Effects 0.000 claims description 32
- 230000008020 evaporation Effects 0.000 claims description 31
- 238000002407 reforming Methods 0.000 claims description 22
- 230000008602 contraction Effects 0.000 claims description 7
- 239000002737 fuel gas Substances 0.000 claims description 7
- 239000000567 combustion gas Substances 0.000 claims description 6
- 230000002000 scavenging effect Effects 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000010025 steaming Methods 0.000 claims 1
- 238000000354 decomposition reaction Methods 0.000 abstract description 5
- 230000036632 reaction speed Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 24
- 239000008246 gaseous mixture Substances 0.000 description 12
- 239000000446 fuel Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000005336 cracking Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000007809 chemical reaction catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
Landscapes
- Hydrogen, Water And Hydrids (AREA)
Abstract
A kind of online methanol reformer for producing hydrogen-rich gas using engine tail gas heat quantity, reformer casing is set on the outside of exhaust steam passage, the both ends of exhaust steam passage are fixedly connected with waste gas outlet and exhaust gas inlet respectively, methanol reaction channel is the tubular structure that section is arch, its outer surface for being helically wound around exhaust steam passage, the vault of methanol reaction channel is made of selective permeable material, the inner wall of methanol reaction channel is provided with catalyst coat, the vault of methanol reaction channel is fixedly connected with the inner wall of reformer shell, the arch bottom of methanol reaction channel is fixedly connected with the outer surface of exhaust steam passage, reformer outer casing inner wall, the reformate channel of sealing is formed between exhaust steam passage outer wall and methanol reaction channel outer wall, the utility model accelerates the reaction speed of methanol decomposition, it improves work efficiency, and system is small and exquisite, and it both can be single It solely uses reformer, can also be used cooperatively with evaporator section, can meet the needs of distinct device and operating condition.
Description
Technical field
The utility model belongs to waste heat from tail gas and utilizes technical field, and in particular to a kind of to be produced using engine tail gas heat quantity
The online methanol reformer of hydrogen-rich gas.
Background technique
Compared with the conventional fossil fuels such as gasoline, diesel oil, natural gas, combustion of hydrogen cleaning, no particle, a hydrocarbon, oxidation
The discharge such as carbon；According to Lean Burning Technique, combustion of hydrogen can further realize zero-emission.Therefore, hydrogen, which has, replaces tradition
Fossil fuel, as the great potential of engine main fuel.
However, hydrogen is gaseous state at normal temperatures and pressures, transport and storage are not easy, when use need to take the method for pressurization by its
The compression hydrogen of boil down to high pressure high density is simultaneously stored in high-pressure bottle；Meanwhile molecular weight is small, explosion limit is wide, burning
Speed is fast, is easy to happen tempering when being used as automotive fuel.These properties lead to, hair very high using the risk of hydrogen fuel
The job security and reliability of motivation not can guarantee.
Studies have shown that can make methanol that cracking reaction occur using online reforming technique, the fuel gas for being rich in hydrogen is generated,
It can be effectively improved the igniting and combustibility of engine, and reduce discharge；Moreover, methanol is liquid under normal temperature and pressure conditions,
It stores and transports and is very convenient.Therefore, use online reforming technique by methanol recapitalization for hydrogen-rich gas and real-time feed engine
As fuel, so that methanol and its fuel reforming have the great potential applied in fields such as internal combustion engine, aero-engines.
Fig. 1 provide it is a kind of using residual heat of tail gas of automobile carry out preparing hydrogen by reforming methanol device (application number:
201310668754.X).As shown, working space is isolated into evaporating space and cracking space two parts.Since work is empty
Between it is big, therefore not can guarantee methanol and come into full contact with catalyst, methanol and exhaust gas, therefore its working efficiency and speed are more low
Under.Moreover, program size is larger as seen from Figure 1, is limited, made by space and weight used in the fields such as vehicle-mounted, airborne
With inconvenience.
Utility model content
To realize the heat for utilizing engine high-temperature tail gas, methanol fuel is reformed online and is split methanol fuel
Solution is that hydrogen-rich fuel gas supplies engine, improves the burning and emission performance of engine, technical solutions of the utility model are as follows:
A kind of online methanol reformer for producing hydrogen-rich gas using engine tail gas heat quantity, including reformer are described heavy
Whole device includes exhaust gas inlet, waste gas outlet, reforms body, methanol reaction channel and reformate channel, and reforming body includes weight
Whole device shell and exhaust steam passage, reformer casing be set to exhaust steam passage on the outside of, the both ends of exhaust steam passage respectively with waste gas outlet
It is fixedly connected with exhaust gas inlet, methanol reaction channel is the tubular structure that section is arch, is helically wound around exhaust steam passage
The vault of outer surface, methanol reaction channel is made of selective permeable material, and the inner wall of methanol reaction channel is provided with catalysis
The vault of agent coating, methanol reaction channel is fixedly connected with the inner wall of reformer shell, the arch bottom of methanol reaction channel and exhaust gas
The outer surface in channel is fixedly connected, and is formed between reformer outer casing inner wall, exhaust steam passage outer wall and methanol reaction channel outer wall close
The reformate channel of envelope, one end of methanol reaction channel are communicated with reforming methanol import, and the other end of methanol reaction channel connects
It is connected with reforming methanol outlet, the one end in reformate channel is communicated with scavenging inlet exhaust gas, the other end in reformate channel
It is communicated with reform fuel gas outlet.
The reformer further includes the first thermocouple, and first thermocouple is fixed on exhaust gas inlet expansion segment, and the
The thermo wires of one thermocouple extends to inside exhaust steam passage.
The exhaust gas inlet includes exhaust gas inlet flange and exhaust gas inlet expansion segment, and exhaust gas inlet expansion segment is side slot
The cylinder of other side wide opening, slot side are fixedly connected with exhaust gas inlet flange, wide opening side and the fixed company of exhaust steam passage
It connects；
The waste gas outlet includes waste gas outlet flange and waste gas outlet contraction section, and waste gas outlet contraction section is side slot
The cylinder of other side wide opening, slot side are fixedly connected with waste gas outlet flange, wide opening side and the fixed company of exhaust steam passage
It connects.
The exhaust gas inlet expansion segment is also communicated with combustion gas blowdown pipe.
It further include evaporator section, evaporator section includes evaporator section outlet, evaporator section import, methanol evaporation tube and evaporator section tube body,
The both ends of evaporator section tube body are fixedly connected with evaporator section outlet and evaporator section import respectively, evaporator section outlet and the exhaust gas inlet
Connection, methanol evaporation tube is the tubular structure that section is arch, is helically wound around the outer surface of evaporator section tube body, methanol evaporation
The arch bottom of pipe is fixedly connected with the outer surface of evaporator section tube body, and the both ends of methanol evaporation tube have been respectively communicated with methanol evaporation tube import
It is exported with methanol evaporation tube, the outlet of methanol evaporation tube and reforming methanol inlet communication.
The evaporator section outlet includes evaporator section outlet(discharge) flange and evaporator section exports converging transition, and evaporator section outlet converging transition is
The cylinder of side slot side wide opening, slot side are fixedly connected with evaporator section outlet(discharge) flange, wide opening side and evaporator section
Tube body is fixedly connected；
The evaporator section import includes evaporator section suction flange and evaporator section import divergent segment, and evaporator section import divergent segment is
The cylinder of side slot side wide opening, slot side are fixedly connected with evaporator section suction flange, wide opening side and evaporator section
Tube body is fixedly connected.
The evaporator section further includes the second thermocouple, and second thermocouple is fixed on evaporator section import divergent segment, and
The thermo wires of second thermocouple extends to evaporator section tubular body.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model is helically wound around the outer surface of exhaust steam passage by the methanol reaction channel that section is arch, can
The exhaust steam passage of liquid methanol and high temperature in methanol reaction channel is come into full contact with, the rapid evaporation of liquid methanol is realized, adds
The fast reaction speed of methanol decomposition, improves work efficiency.
2, the vault of the utility model methanol reaction channel is made of selective penetrated property material, and methanol reaction channel spiral shell
Rotation is wound in the outer surface of exhaust steam passage, and the gas-liquid mixture for the hydrogen-rich gaseous mixture composition that liquid methanol is cracked to form with it is in first
Centrifugal force is generated when flowing in alcohol reaction channel, so that hydrogen-rich gaseous mixture be made rapidly to separate from gas-liquid mixture, passes through first
The vault of alcohol reaction channel reaches in reformate channel, improves the separative efficiency of hydrogen-rich gaseous mixture, to improve work effect
Rate.
3, convection current occurs with the liquid methanol in methanol reaction channel under the influence of centrifugal force after hydrogen-rich gaseous mixture generates,
The mixing uniformity of gas-liquid mixture is improved, so that the contact area of liquid methanol and catalyst increases, while making liquid
Heat exchanger effectiveness between methanol and the exhaust steam passage of high temperature improves, and accelerates the reaction speed of methanol decomposition, to generate more
More hydrogen-rich gaseous mixtures improves working efficiency.
4, the utility model is simple and reasonable for structure, and system is small and exquisite, and the reformer that both can be used alone, can also be with evaporator section
It is used cooperatively, can meet the needs of distinct device and operating condition.
Detailed description of the invention
Fig. 1 is the scenario-frame schematic diagram of the prior art；
Fig. 2 is the structural schematic diagram of the utility model reformer；
Fig. 3 is the structural schematic diagram that the utility model reformer and evaporator section are used cooperatively；
Fig. 4 is the schematic diagram of the section structure of the utility model methanol reaction channel；
Fig. 5 is the course of work schematic diagram of the utility model reformer；
Fig. 6 is the course of work schematic diagram that the utility model reformer and evaporator section are used cooperatively.
Wherein: waste gas outlet flange 1；Exhaust gas inlet flange 2；Reform body 3；Scavenging inlet exhaust gas 31；Reform fuel gas
Outlet 32；Reformer shell 33；Exhaust steam passage 34；Methanol reaction channel 4；Reforming methanol import 41；Reforming methanol outlet 42；Arch
Top 43；Catalyst coat 44；Encircle bottom 45；Combustion gas blowdown pipe 5；Reformate channel 6；First thermocouple 7；Waste gas outlet contraction section
8；Exhaust gas inlet expansion segment 9；Evaporator section 10；Evaporator section outlet(discharge) flange 101；Evaporator section suction flange 102；Evaporator section outlet is tapered
Section 103；Evaporator section import divergent segment 104；Evaporator section tube body 105；Methanol evaporation tube import 1051；The outlet of methanol evaporation tube
1052；Methanol pipe interface flange 106；Methanol evaporation tube 107；Second thermocouple 108.
Specific embodiment
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
As shown in Figures 2 to 6, the utility model provide it is a kind of using engine tail gas heat quantity produce hydrogen-rich gas
Line methanol reformer, including reformer, reformer include exhaust gas inlet, waste gas outlet, reform body 3,4 and of methanol reaction channel
Reformate channel 6, reforming body 3 includes reformer shell 33 and exhaust steam passage 34, and it is logical that reformer shell 33 is sheathed on exhaust gas
34 outside of road, fixed by methanol reaction channel 4 between reformer shell 33 and exhaust steam passage 34, the left and right two of exhaust steam passage 34
End is fixedly connected with waste gas outlet and exhaust gas inlet respectively, and methanol reaction channel 4 is the tubular structure that section is arch, spiral
It is wound in the outer surface of exhaust steam passage 34, the vault 43 of methanol reaction channel 4 is made of selective permeable material, and selectivity is thoroughly
Material is crossed using the material of separable the hydrogen-rich gaseous mixtures and liquid methanol such as polytetrafluoroethylene film, the inner wall of methanol reaction channel 4
Be provided with catalyst coat 44, catalyst using CuZnAl etc. can catalysis methanol cracking reaction catalyst, methanol reaction channel 4
Vault 43 be fixedly connected with the inner wall of reformer shell 33, methanol reaction channel 4 arch bottom 45 and exhaust steam passage 34 appearance
Face is fixedly connected, and the weight of sealing is formed between 4 outer wall of 33 inner wall of reformer shell, 34 outer wall of exhaust steam passage and methanol reaction channel
Whole product pathways 6, the right end of methanol reaction channel 4 are communicated with reforming methanol import 41, and the left end of methanol reaction channel 4 is communicated with
Reforming methanol outlet 42, the right end in reformate channel 6 is communicated with scavenging inlet exhaust gas 31, the left end in reformate channel 6
It is communicated with reform fuel gas outlet 32.
Reformer further includes the first thermocouple 7, and the first thermocouple 7 is fixed on exhaust gas inlet expansion segment 9, and the first thermoelectricity
Even 7 thermo wires extends to inside exhaust steam passage 34.
Exhaust gas inlet includes exhaust gas inlet flange 2 and exhaust gas inlet expansion segment 9, and exhaust gas inlet expansion segment 9 is side slot
The cylinder of other side wide opening, slot side are fixedly connected with exhaust gas inlet flange 2, and wide opening side and exhaust steam passage 34 are fixed
Connection.
Waste gas outlet includes waste gas outlet flange 1 and waste gas outlet contraction section 8, and waste gas outlet contraction section 8 is side slot
The cylinder of other side wide opening, slot side are fixedly connected with waste gas outlet flange 1, and wide opening side and exhaust steam passage 34 are fixed
Connection.
Exhaust gas inlet expansion segment 9 is also communicated with combustion gas blowdown pipe 5, and the purpose of setting combustion gas blowdown pipe 5 is to control exhaust gas
Temperature in channel 34 can be mended if the first thermocouple 7 judges reformer operating temperature lower than operating temperature by combustion gas
Tracheae 5 is passed through a small amount of high-temperature fuel gas to improve the temperature in exhaust steam passage 34.
A kind of online methanol reformer for producing hydrogen-rich gas using engine tail gas heat quantity, further includes evaporator section 10, is steamed
It sends out section 10 and includes evaporator section outlet, evaporator section import, methanol evaporation tube 107 and evaporator section tube body 105, evaporator section tube body 105
Both ends are fixedly connected with evaporator section outlet and evaporator section import respectively, and evaporator section outlet is connected to exhaust gas inlet, methanol evaporation tube
107 be the tubular structure that section is arch, is helically wound around the outer surface of evaporator section tube body 105, the arch of methanol evaporation tube 107
Bottom is fixedly connected with the outer surface of evaporator section tube body 105, and the both ends of methanol evaporation tube 107 have been respectively communicated with methanol evaporation tube import
1051 and methanol evaporation tube outlet 1052, methanol evaporation tube outlet 1052 pass through methanol pipe interface flange 106 and reforming methanol
Import 41 is connected to.
Evaporator section outlet includes evaporator section outlet(discharge) flange 101 and evaporator section exports converging transition 103, and evaporator section exports converging transition
103 be the cylinder of side slot side wide opening, and slot side is fixedly connected with evaporator section outlet(discharge) flange 101, wide opening side
It is fixedly connected with evaporator section tube body 105.
Evaporator section import includes evaporator section suction flange 102 and evaporator section import divergent segment 104, evaporator section import divergent segment
104 be the cylinder of side slot side wide opening, and slot side is fixedly connected with evaporator section suction flange 102, wide opening side
It is fixedly connected with evaporator section tube body 105.
Evaporator section 10 further includes the second thermocouple 108, and the second thermocouple 108 is fixed on evaporator section import divergent segment 104,
And second the thermo wires of thermocouple 108 extend to inside evaporator section tube body 105.
(Electronic Control Unit, electronic control are single with ECU for first thermocouple 7 and the second thermocouple 108
Member) (figure omits) electrical connection, respectively to monitor the temperature in exhaust steam passage 34 and evaporator section tube body 105.
The working principle of the utility model is as follows:
When reformer is used only: its course of work is as shown in figure 5, firstly, engine high-temperature tail gas is via exhaust gas inlet
Flange 2 enters in exhaust steam passage 34；When measuring the temperature in exhaust steam passage 34 through the first thermocouple 7 and reaching operating temperature, methanol
Liquid methanol in fuel tank (figure omits) starts to be passed through methanol reaction channel 4 by reforming methanol import 41 with certain speed.
The heat of high-temperature tail gas in exhaust steam passage 34 passes in methanol reaction channel 4 via 34 side wall of exhaust steam passage
Liquid methanol, liquid methanol are evaporated to rapidly gaseous state；The methanol of gas-liquid mixed continues the downstream flow to methanol reaction channel 4,
Since the inner wall of methanol reaction channel 4 is coated with catalyst, cracking reaction occurs under the action of high temperature and catalyst for methanol, generates
Hydrogen-rich gaseous mixture；Simultaneously as the vault 43 of methanol reaction channel 4 is made of selective permeability material, hydrogen-rich generated
Gaseous mixture enters reformate channel 6 under the action of centrifugal force and permeability material, via the vault 43 of methanol reaction channel 4
It is interior, and under the influence of centrifugal force, liquid methanol is located on the outside of hydrogen-rich gaseous mixture, and hydrogen-rich gaseous mixture and liquid methanol are in gravity
Lower convection current is acted on, hydrogen-rich gaseous mixture moves upwards, while a part of liquid methanol downlink contacts high temperature surface, improves liquid first
The evaporation efficiency of alcohol, to improve the reaction speed for accelerating methanol decomposition.
Hydrogen-rich gaseous mixture is flowed out via reformed fuel outlet, is input to the needs such as engine fuel nozzle, inlet valve, head
The position of the gas；And unreacted liquid methanol flows out via reforming methanol outlet 42, returns to methanol fuel tank；
Finally, under control of the ecu, sub-fraction motor exhaust is flowed into via scavenging inlet exhaust gas 31, to incite somebody to action
The hydrogen-rich burning mixture remained in methanol reaction channel 4 is released, and guarantees security of system.During this period, thermocouple with
When monitoring exhaust steam passage 34 in temperature, and accordingly control high-temperature tail gas flow.
When reformer and evaporator section 10 are used cooperatively: its course of work is as shown in fig. 6, firstly, engine high-temperature tail gas
Enter inside evaporator section 10 via evaporator section suction flange 102；The temperature measured inside evaporator section 10 through the second thermocouple 108 reaches
When to operating temperature, liquid methanol starts to enter methanol evaporation tube 107 by methanol evaporation tube import 1051.
The heat of high-temperature tail gas in evaporator section tube body 105 passes to methanol evaporation tube via 105 side wall of evaporator section tube body
Liquid methanol in 107, liquid methanol part are evaporated to gaseous state；Methanol gas-liquid mixture enters through methanol evaporation tube outlet 1052
In methanol reaction channel 4 cracking reaction occurs for reforming methanol import 41, further improves the speed of methanol decomposition reaction,
Meanwhile there can be the gaseous methanol of sufficient amount through first by adjusting into the engine high-temperature tail gas amount inside evaporator section 10, guarantee
Alcohol evaporation tube outlet 1052 enters reforming methanol import 41.
It is consistent when remaining step is with using only reformer, it just repeats no more herein.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, all in the utility model
Spirit and principle within, any modification, equivalent replacement, improvement and so on should be included in the protection model of the utility model
Within enclosing.
Claims (7)
1. a kind of online methanol reformer for producing hydrogen-rich gas using engine tail gas heat quantity, which is characterized in that including reforming
Device, the reformer include exhaust gas inlet, waste gas outlet, reform body, methanol reaction channel and reformate channel, reformer
Body includes reformer shell and exhaust steam passage, and reformer casing is set on the outside of exhaust steam passage, the both ends of exhaust steam passage respectively with
Waste gas outlet is fixedly connected with exhaust gas inlet, and methanol reaction channel is the tubular structure that section is arch, is helically wound around useless
The vault of the outer surface in gas channel, methanol reaction channel is made of selective permeable material, and the inner wall of methanol reaction channel is set
It is equipped with catalyst coat, the vault of methanol reaction channel is fixedly connected with the inner wall of reformer shell, the arch of methanol reaction channel
Bottom is fixedly connected with the outer surface of exhaust steam passage, reformer outer casing inner wall, exhaust steam passage outer wall and methanol reaction channel outer wall it
Between form the reformate channel of sealing, one end of methanol reaction channel is communicated with reforming methanol import, methanol reaction channel
The other end is communicated with reforming methanol outlet, and the one end in reformate channel is communicated with scavenging inlet exhaust gas, reformate channel
The other end be communicated with reform fuel gas outlet.
2. a kind of online methanol reformer that hydrogen-rich gas is produced using engine tail gas heat quantity according to claim 1,
It is characterized in that, the reformer further includes the first thermocouple, first thermocouple is fixed on exhaust gas inlet expansion segment, and
The thermo wires of first thermocouple extends to inside exhaust steam passage.
3. a kind of online methanol reformer that hydrogen-rich gas is produced using engine tail gas heat quantity according to claim 2,
It is characterized in that, the exhaust gas inlet includes exhaust gas inlet flange and exhaust gas inlet expansion segment, exhaust gas inlet expansion segment is side
The cylinder of slot other side wide opening, slot side are fixedly connected with exhaust gas inlet flange, and wide opening side and exhaust steam passage are solid
Fixed connection；
The waste gas outlet includes waste gas outlet flange and waste gas outlet contraction section, and waste gas outlet contraction section is that side slot is another
The cylinder of side wide opening, slot side are fixedly connected with waste gas outlet flange, and wide opening side is fixedly connected with exhaust steam passage.
4. a kind of online methanol reformer that hydrogen-rich gas is produced using engine tail gas heat quantity according to claim 3,
It is characterized in that, the exhaust gas inlet expansion segment is also communicated with combustion gas blowdown pipe.
5. a kind of online methanol reformer that hydrogen-rich gas is produced using engine tail gas heat quantity according to claim 4,
It is characterized in that, further including evaporator section, evaporator section includes evaporator section outlet, evaporator section import, methanol evaporation tube and evaporator section pipe
Body, the both ends of evaporator section tube body are fixedly connected with evaporator section outlet and evaporator section import respectively, evaporator section outlet and the exhaust gas
Inlet communication, methanol evaporation tube are the tubular structure that section is arch, are helically wound around the outer surface of evaporator section tube body, methanol
The arch bottom of evaporation tube is fixedly connected with the outer surface of evaporator section tube body, and the both ends of methanol evaporation tube have been respectively communicated with methanol evaporation tube
Import and the outlet of methanol evaporation tube, the outlet of methanol evaporation tube and reforming methanol inlet communication.
6. a kind of online methanol reformer that hydrogen-rich gas is produced using engine tail gas heat quantity according to claim 5,
It is characterized in that, the evaporator section outlet includes that evaporator section outlet(discharge) flange and evaporator section export converging transition, evaporator section outlet is tapered
Section is the cylinder of side slot side wide opening, and slot side is fixedly connected with evaporator section outlet(discharge) flange, wide opening side and steaming
Hair section tube body is fixedly connected；
The evaporator section import includes evaporator section suction flange and evaporator section import divergent segment, and evaporator section import divergent segment is side
The cylinder of slot side wide opening, slot side are fixedly connected with evaporator section suction flange, wide opening side and evaporator section tube body
It is fixedly connected.
7. a kind of online methanol reformer that hydrogen-rich gas is produced using engine tail gas heat quantity according to claim 6,
It is characterized in that, the evaporator section further includes the second thermocouple, second thermocouple is fixed on evaporator section import divergent segment,
And second the thermo wires of thermocouple extend to evaporator section tubular body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821845273.6U CN209383387U (en) | 2018-11-09 | 2018-11-09 | A kind of online methanol reformer for producing hydrogen-rich gas using engine tail gas heat quantity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821845273.6U CN209383387U (en) | 2018-11-09 | 2018-11-09 | A kind of online methanol reformer for producing hydrogen-rich gas using engine tail gas heat quantity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209383387U true CN209383387U (en) | 2019-09-13 |
Family
ID=67864232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821845273.6U Withdrawn - After Issue CN209383387U (en) | 2018-11-09 | 2018-11-09 | A kind of online methanol reformer for producing hydrogen-rich gas using engine tail gas heat quantity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209383387U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179322A (en) * | 2018-11-09 | 2019-01-11 | 沈阳航空航天大学 | A kind of online methanol reformer for producing hydrogen-rich gas using engine tail gas heat quantity |
-
2018
- 2018-11-09 CN CN201821845273.6U patent/CN209383387U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179322A (en) * | 2018-11-09 | 2019-01-11 | 沈阳航空航天大学 | A kind of online methanol reformer for producing hydrogen-rich gas using engine tail gas heat quantity |
| CN109179322B (en) * | 2018-11-09 | 2023-11-10 | 沈阳航空航天大学 | Online methanol reformer for preparing hydrogen-rich gas by utilizing heat of engine tail gas |
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