CN106241734A - A kind of methanol decomposition reactor - Google Patents
A kind of methanol decomposition reactor Download PDFInfo
- Publication number
- CN106241734A CN106241734A CN201610637316.0A CN201610637316A CN106241734A CN 106241734 A CN106241734 A CN 106241734A CN 201610637316 A CN201610637316 A CN 201610637316A CN 106241734 A CN106241734 A CN 106241734A
- Authority
- CN
- China
- Prior art keywords
- methanol
- cracking
- housing
- decomposition reactor
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 259
- 238000000354 decomposition reaction Methods 0.000 title claims abstract description 26
- 238000005336 cracking Methods 0.000 claims abstract description 68
- 239000007789 gas Substances 0.000 claims abstract description 47
- 239000003054 catalyst Substances 0.000 claims abstract description 19
- 239000000919 ceramic Substances 0.000 claims abstract description 4
- 230000008676 import Effects 0.000 claims description 22
- 239000002912 waste gas Substances 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 239000011324 bead Substances 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000006555 catalytic reaction Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 1
- 210000002268 wool Anatomy 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 abstract description 14
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 14
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 13
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000002918 waste heat Substances 0.000 abstract description 4
- 229920000742 Cotton Polymers 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract description 2
- 239000008246 gaseous mixture Substances 0.000 abstract description 2
- 230000007423 decrease Effects 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 10
- 238000002485 combustion reaction Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 230000009089 cytolysis Effects 0.000 description 1
- 238000011981 development test Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 210000000952 spleen Anatomy 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 231100001234 toxic pollutant Toxicity 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/22—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of gaseous or liquid organic compounds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
- F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00002—Chemical plants
- B01J2219/00018—Construction aspects
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/02—Processes for making hydrogen or synthesis gas
- C01B2203/0266—Processes for making hydrogen or synthesis gas containing a decomposition step
- C01B2203/0277—Processes for making hydrogen or synthesis gas containing a decomposition step containing a catalytic decomposition step
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/08—Methods of heating or cooling
- C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
- C01B2203/0833—Heating by indirect heat exchange with hot fluids, other than combustion gases, product gases or non-combustive exothermic reaction product gases
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention discloses a kind of methanol decomposition reactor.This device utilizes engine tail gas waste-heat to heat methanol so that it is be cracked into the gaseous mixture such as hydrogen and carbon monoxide, after cracking, this mixed gas is passed through engine chamber and burns.This methanol pyrolyzer includes housing, cracking tube.Shell of reactor parcel insulating ceramic is cotton；Methanol, in one of them port of cracking tube enters pipe, fills up catalyst in pipe；Cracking tube is imported and exported through reactor front end face, and tail gas carries out heat exchange through housing cavity and cracking tube.The present invention utilizes the waste heat from tail gas of engine emission, carries out methanol decomposition hydrogen production reaction, decreases the pollutant emission of electromotor, enhances engine exhaust heat and utilizes, improves electromotor efficiency.This device uses economy, reliable, the life-span is long, may be installed the field such as automobile, boats and ships.
Description
Technical field
The invention belongs to engine exhaust heat and utilize field, more particularly, to a kind of methanol decomposition reactor.
Background technology
Methanol is a kind of oxygen-enriched, environmental protection, the fuel of high energy, and it is with liquid that its physical property determines methanol at normal temperatures and pressures
State form exists.Compared with gasoline, the H/C of methanol and octane number are high, and lean-burn scope is the most wide in range, it is allowed to electromotor uses relatively
High compression ratio, is a kind of highly effective fuel.In methanol molecules oxygen-containing 50%, burning velocity is fast, self contains oxygen and aiding combustion, and burning is filled
Point, the thermal efficiency can be improved, emission controls by improving combustion can be realized again and reduce the conventional gas discharges such as CO, HC and NOx.Raw materials for production are extensive
And enrich (as colm, oven gas, life produce garbage etc.), this further genralrlization contributing to methanol fuel and application.
China's development test history of the most nearly 40 years to methanol fuel replacing gasoline, has the most had rule in some areas
Modelling is applied, and achieves the bumper harvests of economic benefit and social benefit.But methanol is the most alternative as direct automobile
Combustion ration, can produce some serious problems, as relatively low in calorific value, easily corrode that electromotor, lubricity be bad and contains in tail gas
Various toxic pollutants etc., this all hampers the further application of methanol fuel.For the consideration of energy-saving and emission-reduction, by methanol decomposition
Enter engine cylinder combustion after becoming hydrogen and carbon monoxide and overcome the methanol disadvantages mentioned above as direct substitute fuel.First
Containing abundant hydrogen in alcohol cracking gas, possess the feature of combustion of hydrogen, thin deflagrate can be realized, thus improve electromotor
The thermal efficiency, is greatly reduced noxious emission, improves dynamic property and the economy of electromotor.After research shows the burning of gasoline engine hydrogen loading
Fuel economy improve 30%, during gasoline engine sub-load use gasoline/hydrogen mixed gas can improve mixture combustion speed
Rate, uses pure gasoline to export with guaranteed output when high load capacity；Diesel engine hydrogen loading postignition delay period shortens, and burning can stop upper
Completing near point, ignition time delay is little by influence of oxygen content in gaseous mixture, thus for using waste gas recirculation to reduce nitrogen oxidation
Thing discharge creates condition.Dissociated methanol gas can be that automobile provides hydrogen energy source this cleanest and the fuel of environmental protection.Meanwhile,
In terms of hydrogen utilization, methanol decomposition solves the difficulties such as hydrogen storage is inconvenient, safety coefficient is low, and application prospect is preferable.More
The good news is, methanol low-temperature decomposing catalyst has had breakthrough progress, and methanol uses special catalysis at a lower temperature
Agent (such as copper oxide, zinc oxide etc.) just can crack completely so that by absorbing residual heat of tail gas of automobile dissociated methanol hydrogen manufacturing and using
The technology path making automotive fuel has obtained technical support.
Engine exhaust heat recycling is one of developing direction of future automobile technology.Existing engine exhaust heat reclaims profit
By technical scheme using stainless steel tube as heat exchanger tube, and use the auxiliary heating of electric heating bolt, be easily caused reactor and be heated uneven,
Increase the difficulty controlling reaction temperature；Heat Room and cracking room separately, make installation application very owing to structure is complicated, volume is excessive
Difficult realization.
Summary of the invention
For disadvantages described above or the Improvement requirement of prior art, it is tight that the present invention utilizes engine exhaust heat to propose a kind of structure
Gather, convenient disassembly, economical high energy efficiency, the methanol decomposition reactor of low pollution emission reliably.
A kind of methanol decomposition reactor that the present invention proposes, including: the housing of tubular, housing forward end is provided with exhaust gas inlet
Pipe, rear end is provided with waste gas outlet pipe, and exhaust gas inlet pipe, waste gas outlet pipe connect with housing cavity；
Cracking tube, axially arranged along housing cavity, cracking tube includes methanol import, cracking gas outlet and is positioned at methanol
Helical tube body between import and cracking gas outlet, methanol import, cracking gas outlet both pass through the front end face of housing, helical tube body
It is completely disposed at housing cavity；
Cracking tube is used for placing catalyst and reacting for methanol decomposition.
Further, housing offers temperature-measuring port, and temperature-measuring port position must ensure to be close to outside cracking tube when thermocouple inserts
Wall.
Further, temperature-measuring port is opened on housing rear end face.
Further, exhaust gas inlet tube side wall is provided with bypass pipe, and bypass pipe is provided with bypath valve.
Further, thermocouple, ECU, electromagnetism-gas-driving valve, methanol pump are also included；
One end of thermocouple is inserted housing cavity by temperature-measuring port and contacts with cracking tube outside wall surface, other end temperature signal
Line is connected with ECU；
ECU is for controlling the work of methanol pump, and the temperature recorded according to thermocouple and ECU are preset
Difference between temperature controls the work of electromagnetism-gas-driving valve；
Bypath valve is by electromagnetism-gas-driving valve control；
Methanol pump connects methanol import, for pumping into methanol in methanol import.
Further, inner walls is formed around stator, is used for fixing cracking tube.
Further, cracking tube is made up of copper pipe, and housing uses stainless steel.
Further, housing is cylindrical, and outer wall parcel insulating ceramic is cotton.
Further, helical tube body is single-screw, Double helix or many helical structures.
Further, also including the catalyst being placed in cracking tube, catalyst is the little granule of solid bead, methanol import,
Cracking gas outlet is equipped with the aperture block less than catalyst particle size.
In general, by the contemplated above technical scheme of the present invention compared with prior art, the present invention has following
Advantage: utilize the waste heat from tail gas of engine emission, carries out methanol decomposition hydrogen production reaction, reduces the energy dissipation of engine exhaust heat,
Improve energy utilization efficiency.Cracking gas reaction obtained blends burning with gasoline, can be effectively improved the efficiency of combustion of electromotor,
Reduce the pollutant emission of electromotor, and save oil Fossil fuel.Using cracking tube as cracking chamber, the inner chamber of housing is as changing
Hot chamber, helical tube body is directly mounted at housing cavity, is effectively integrated in cracking chamber and heat exchanging chamber, compact conformation, and catalyst
Convenient filling, each part convenient disassembly, it is adapted for mount on the upper use such as automobile, boats and ships.
Accompanying drawing explanation
Fig. 1 is the methanol decomposition reactor tridimensional structural representation of the present invention；
Fig. 2 is the cross-sectional schematic of first embodiment of the present invention front view；
Fig. 3 is the cross-sectional schematic of second embodiment of the present invention front view.
In all of the figs, identical reference is used for representing identical element or structure, wherein:
In figure: 1-exhaust gas inlet pipe flange, 2-exhaust gas inlet pipe, 3-housing, 4-cracking tube, 5-temperature-measuring port, 6-waste gas goes out
Mouth pipe, 7-waste gas outlet pipe flange, 8-bypass pipe, 9-bypass pipe flange, 10-bypath valve, 11-methanol import, 12-cracking gas
Outlet, 13-thermocouple.
In all of the figs, identical reference is used for representing identical element or structure, wherein:
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and
It is not used in the restriction present invention.If additionally, technical characteristic involved in each embodiment of invention described below
The conflict of not constituting each other just can be mutually combined.
In a preferred embodiment of the invention, first embodiment is essentially identical, only with the integral outer of the second embodiment structure
Cracking tube structure is different, therefore perspective view all represents with Fig. 1.
Refer to Fig. 1,2, for first embodiment of the invention.
First embodiment of the invention includes: housing 3, cracking tube 4, thermocouple 13, catalyst (not shown), ECU
(not shown), electromagnetism-gas-driving valve (not shown), methanol pump (not shown).
Specifically, housing 3 is tubular, and housing 3 front end is provided with exhaust gas inlet pipe 2, and rear end is provided with waste gas outlet pipe 6, waste gas
Inlet tube 2, waste gas outlet pipe 6 and the inner space of housing 3, exhaust gas inlet pipe 2 sidewall is provided with bypass pipe 8, and bypass pipe 8 is provided with
Bypath valve 10.Offering temperature-measuring port 5 on housing 3 rear end face, temperature-measuring port 5 position must ensure to be close to split when thermocouple 13 inserts
Solve pipe 4 outer wall.
Cracking tube 4, axially arranged at the inner chamber along housing 3, cracking tube 4 include methanol import 11, cracking gas outlet 12 with
And export the helical tube body (non-label) between 12, methanol import 11, cracking gas outlet 12 in methanol import 11 and cracking gas
Both passing through the front end face of housing 3, helical tube body is completely disposed at housing 3 inner chamber, and housing 3 inwall is formed around stator, for solid
Determine cracking tube 4.
Catalyst, for the little granule of solid bead, is placed in cracking tube 4 internal.Methanol import 11, cracking gas outlet 12 are equipped with
Aperture, less than the block of catalyst particle size, prevents catalyst leakage.
One end of thermocouple 13 is inserted housing 3 inner chamber by temperature-measuring port 5 and contacts with cracking tube 4 outside wall surface, other end temperature
Degree holding wire is connected with ECU；ECU is for controlling the work of methanol pump, and the temperature recorded according to thermocouple 13
Difference between the temperature value that degree and ECU are preset controls electromagnetism-gas-driving valve work；Bypath valve 10 is by electromagnetism-gas-driving valve control
System；Methanol pump connects methanol import 11, for pumping into methanol in methanol import 11.
It addition, cracking tube 4 is made up of copper pipe in the present embodiment, housing 3 uses stainless steel；Housing 3 is cylindrical, outward
Wall parcel insulating ceramic is cotton to reduce heat radiation, improves heat energy from waste gas utilization rate；Cracking tube 4 is single coil configuration；Exhaust gas inlet pipe 2
It is welded to housing 3 two ends with waste gas outlet pipe 6.
The operation principle of the present invention is as follows.
In the present embodiment, the exhaust gas inlet pipe 2 of methanol decomposition reactor uses tee T, sets a side in bypass pipe 8
Logical valve 10, normal reaction conditions lower valve is in normally off, and engine exhaust is directly entered housing 3 through exhaust gas inlet pipe 2
In inner chamber (i.e. heat exchanging chamber), when thermocouple 13 detects that cracking temperature exceedes default optimum temperature, ECU controls electricity
Magnetic pneumatic operated valve adjusts bypath valve 10 opening degree, and a part of tail gas that electromotor is discharged is expelled directly out through bypass pipe 8, cracking temperature
Degree no longer raises, until in the range of being adjusted to optimal reaction temperature, can also reduce exhaust emissions back pressure simultaneously.
Cracking tube 4 is axially arranged along the inner chamber of housing 3, and methanol import 11, cracking gas outlet 12 pass the front end of housing 3
Face, it is internal that helical tube body is completely disposed at housing 3, some iron plates being welded in housing 3 fix, methanol import 11, cracking gas
Outlet 12 is applied not only to loading catalyst, is also used for the input of methanol and the output of cracking gas, and its structure uses copper material；Catalyst
Methanol import 11, cracking gas outlet 12 is sealed to prevent catalyst leakage with wire gauze after filling；Cracking gas outlet 12 is led to
Cross cracking letter shoot and lead to electromotor；Temperature-measuring port 5 is distributed in waste gas outlet pipe 6 end, and one end of thermocouple 13 is inserted by temperature-measuring port 5
In entering housing 3 and contacting with cracking tube 4 outside wall surface, what this position was generally corresponding is stage casing or the rear of cracking tube 4, therefore
Accuracy and the representativeness of thermometric are higher；Each flange arrangement is for the pressure lower seal at fastening bolt and nut.
ECU is connected with methanol pump circuit, and methanol storage bin is accessed in one end of methanol pump, between with methanol conveying pipe
Connect.When needs provide methanol to reactor, ECU controls methanol pump, methanol pump and methanol nozzle phase by circuit
Even, methanol sprays into feed pipe subsequently into cracking tube 4 through nozzle.
Second embodiment differs primarily in that with first embodiment, and helical tube body is double-spiral structure.
In other embodiments, helical tube body can also be many helical structures.
Compared with prior art, present invention have the advantage that
1. utilize the waste heat from tail gas of engine emission, carry out methanol decomposition hydrogen production reaction, reduce the energy of engine exhaust heat
Waste, improves energy utilization efficiency.
2. use temperature controller to measure the temperature of methanol decomposition reactor, the fuel supply of Intelligent adjustment reactor, can make to split
Solve hydrogen-manufacturing reactor to work under stable temperature conditions.
3. cracking gas reaction obtained blends burning with gasoline, can be effectively improved the efficiency of combustion of electromotor, reduces and sends out
The pollutant emission of motivation, and save oil Fossil fuel.
4. cracking chamber and heat exchanging chamber effectively integrate, compact conformation, and Catalyst packing is convenient, each part convenient disassembly, are suitable for
It is arranged on the upper use such as automobile, boats and ships.
5. the dominant response part in cracking chamber uses helical structure and copper product, adds heat exchange area and the coefficient of heat transfer,
Improve heat exchange amount.
6. reactor is provided with bypass pipe 8, inside sets bypath valve 10, by controlling valve opening and closing and the control of opening degree
The too high adverse effect to lysis efficiency of reactor cracking room temperature can be effectively reduced.
7. catalyst is the little granule of solid bead and is filled in cracking tube 4, can slow down methanol to a certain extent and split
The velocity of liquid assets vented one's spleen, extends heat exchange and response time, improves cracking ability further.
As it will be easily appreciated by one skilled in the art that and these are only presently preferred embodiments of the present invention, not in order to limit
The present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included in this
Within the protection domain of invention.
Claims (10)
1. a methanol decomposition reactor, it is characterised in that including:
The housing of tubular, housing forward end is provided with exhaust gas inlet pipe, and rear end is provided with waste gas outlet pipe, exhaust gas inlet pipe, waste gas outlet
Pipe connects with housing cavity；
Cracking tube, axially arranged along housing cavity, cracking tube includes methanol import, cracking gas outlet and is positioned at methanol import
And the helical tube body between cracking gas outlet, methanol import, cracking gas outlet both pass through the front end face of housing, and helical tube body is complete
It is placed in housing cavity；
Cracking tube is used for placing catalyst and reacting for methanol decomposition.
Methanol decomposition reactor the most according to claim 1, it is characterised in that: housing offers temperature-measuring port, temperature-measuring port position
Put and must ensure to be close to when thermocouple inserts cracking tube outer wall.
Methanol decomposition reactor the most according to claim 2, it is characterised in that: temperature-measuring port is opened on housing rear end face.
4. according to the methanol decomposition reactor described in Claims 2 or 3, it is characterised in that: exhaust gas inlet tube side wall is provided with bypass
Pipe, bypass pipe is provided with bypath valve.
Methanol decomposition reactor the most according to claim 4, it is characterised in that: also include thermocouple, ECU, electromagnetism
Pneumatic operated valve, methanol pump；
Housing cavity contact with cracking tube outside wall surface is inserted by temperature-measuring port in one end of thermocouple, the other end with temperature signal line and
ECU is connected；
ECU is for controlling the work of methanol pump, and the temperature that the temperature recorded according to thermocouple is preset with ECU
Between difference control electromagnetism-gas-driving valve work；
Bypath valve is by electromagnetism-gas-driving valve control；
Methanol pump connects methanol import, for pumping into methanol in methanol import.
Methanol decomposition reactor the most according to claim 1, it is characterised in that: inner walls is formed around stator, uses
In fixing cracking tube.
Methanol decomposition reactor the most according to claim 1, it is characterised in that: cracking tube is made up of copper pipe, and housing uses
Stainless steel.
Methanol decomposition reactor the most according to claim 1, it is characterised in that: housing is cylindrical, outer wall parcel thermal insulation
Ceramic wool.
Methanol decomposition reactor the most according to claim 1, it is characterised in that: helical tube body be single-screw, Double helix or
Many helical structures.
Methanol decomposition reactor the most according to claim 1, it is characterised in that: also include the catalysis being placed in cracking tube
Agent, catalyst is the little granule of solid bead, and methanol import, cracking gas outlet are equipped with the aperture block less than catalyst particle size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610637316.0A CN106241734A (en) | 2016-08-05 | 2016-08-05 | A kind of methanol decomposition reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610637316.0A CN106241734A (en) | 2016-08-05 | 2016-08-05 | A kind of methanol decomposition reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106241734A true CN106241734A (en) | 2016-12-21 |
Family
ID=58079114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610637316.0A Pending CN106241734A (en) | 2016-08-05 | 2016-08-05 | A kind of methanol decomposition reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106241734A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412586A (en) * | 2018-02-12 | 2018-08-17 | 南京工程学院 | A kind of automotive exhaust catalysis device and automobile |
| CN108996473A (en) * | 2018-08-24 | 2018-12-14 | 宁波吉宏醇氢动力技术有限公司 | cracker and vehicle |
| CN109026450A (en) * | 2018-08-24 | 2018-12-18 | 宁波吉宏醇氢动力技术有限公司 | Constant temperature cracker and vehicle |
| CN109133003A (en) * | 2018-10-29 | 2019-01-04 | 浙江氢谷新能源汽车有限公司 | Hydrogen production by methanol system for pure electric automobile integrated fuel battery |
| CN109455667A (en) * | 2018-11-09 | 2019-03-12 | 沈阳航空航天大学 | A kind of online reforming system of airborne methanol and control method using silk screen separating mechanism |
| CN111422831A (en) * | 2020-04-29 | 2020-07-17 | 西安交通大学 | Methanol cracking device |
| CN113775441A (en) * | 2021-08-17 | 2021-12-10 | 云南晴空侍卫科技发展有限公司 | Method and device for cracking macromolecules of gasoline in gasoline engine |
| CN114320583A (en) * | 2021-12-30 | 2022-04-12 | 重庆望江摩托车制造有限公司 | Hydrogen energy motorcycle adopting methanol cracking to produce hydrogen |
| CN114893331A (en) * | 2022-06-08 | 2022-08-12 | 天津大学 | Vehicle-mounted ammonia decomposition hydrogen production system |
| WO2023099698A1 (en) * | 2021-12-03 | 2023-06-08 | E.T.I.A. - Evaluation Technologique, Ingenierie Et Applications | Device for producing hydrogen by gas pyrolysis |
| WO2023241421A1 (en) * | 2022-06-14 | 2023-12-21 | 中南大学 | Alcohol fuel cracking hydrogen production apparatus and system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200989230Y (en) * | 2005-10-13 | 2007-12-12 | 李晓煜 | Folding winding heat suction device and cracking device |
| CN101643202A (en) * | 2009-09-10 | 2010-02-10 | 任春光 | Vehicle-mounted hydrogen production device |
| CN202023613U (en) * | 2011-03-08 | 2011-11-02 | 苗林卿 | Methanol cracking gas making device utilizing waste heat of tail gas emitted by internal combustion engine |
| CN104276542A (en) * | 2014-11-07 | 2015-01-14 | 广东合即得能源科技有限公司 | Reformer for hydrogen production system utilizing methyl alcohol and water, hydrogen production system utilizing methyl alcohol and water and hydrogen production method |
-
2016
- 2016-08-05 CN CN201610637316.0A patent/CN106241734A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200989230Y (en) * | 2005-10-13 | 2007-12-12 | 李晓煜 | Folding winding heat suction device and cracking device |
| CN101643202A (en) * | 2009-09-10 | 2010-02-10 | 任春光 | Vehicle-mounted hydrogen production device |
| CN202023613U (en) * | 2011-03-08 | 2011-11-02 | 苗林卿 | Methanol cracking gas making device utilizing waste heat of tail gas emitted by internal combustion engine |
| CN104276542A (en) * | 2014-11-07 | 2015-01-14 | 广东合即得能源科技有限公司 | Reformer for hydrogen production system utilizing methyl alcohol and water, hydrogen production system utilizing methyl alcohol and water and hydrogen production method |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412586A (en) * | 2018-02-12 | 2018-08-17 | 南京工程学院 | A kind of automotive exhaust catalysis device and automobile |
| CN108996473A (en) * | 2018-08-24 | 2018-12-14 | 宁波吉宏醇氢动力技术有限公司 | cracker and vehicle |
| CN109026450A (en) * | 2018-08-24 | 2018-12-18 | 宁波吉宏醇氢动力技术有限公司 | Constant temperature cracker and vehicle |
| CN109026450B (en) * | 2018-08-24 | 2024-05-28 | 宁波吉宏醇氢动力技术有限公司 | Constant temperature cracker and vehicle |
| CN108996473B (en) * | 2018-08-24 | 2023-08-22 | 宁波吉宏醇氢动力技术有限公司 | Cracker and vehicle |
| CN109133003A (en) * | 2018-10-29 | 2019-01-04 | 浙江氢谷新能源汽车有限公司 | Hydrogen production by methanol system for pure electric automobile integrated fuel battery |
| CN109455667A (en) * | 2018-11-09 | 2019-03-12 | 沈阳航空航天大学 | A kind of online reforming system of airborne methanol and control method using silk screen separating mechanism |
| CN109455667B (en) * | 2018-11-09 | 2023-10-03 | 沈阳航空航天大学 | On-board methanol on-line reforming system adopting silk screen separation mechanism and control method |
| CN111422831A (en) * | 2020-04-29 | 2020-07-17 | 西安交通大学 | Methanol cracking device |
| CN111422831B (en) * | 2020-04-29 | 2021-10-19 | 西安交通大学 | Methanol cracking device |
| CN113775441A (en) * | 2021-08-17 | 2021-12-10 | 云南晴空侍卫科技发展有限公司 | Method and device for cracking macromolecules of gasoline in gasoline engine |
| WO2023099698A1 (en) * | 2021-12-03 | 2023-06-08 | E.T.I.A. - Evaluation Technologique, Ingenierie Et Applications | Device for producing hydrogen by gas pyrolysis |
| FR3129935A1 (en) * | 2021-12-03 | 2023-06-09 | E.T.I.A. - Evaluation Technologique, Ingenierie Et Applications | Hydrogen production device by gas pyrolysis |
| CN114320583B (en) * | 2021-12-30 | 2022-10-21 | 重庆望江摩托车制造有限公司 | Hydrogen energy motorcycle adopting methanol cracking to produce hydrogen |
| CN114320583A (en) * | 2021-12-30 | 2022-04-12 | 重庆望江摩托车制造有限公司 | Hydrogen energy motorcycle adopting methanol cracking to produce hydrogen |
| CN114893331B (en) * | 2022-06-08 | 2023-03-14 | 天津大学 | Vehicle-mounted ammonia decomposition hydrogen production system |
| CN114893331A (en) * | 2022-06-08 | 2022-08-12 | 天津大学 | Vehicle-mounted ammonia decomposition hydrogen production system |
| WO2023241421A1 (en) * | 2022-06-14 | 2023-12-21 | 中南大学 | Alcohol fuel cracking hydrogen production apparatus and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106241734A (en) | A kind of methanol decomposition reactor | |
| CN105569883A (en) | Methanol decomposition reactor based on waste heat of engine | |
| CN100364881C (en) | Methanol catalytically reforming hydrogen producing apparatus utilizing afterheat of internal combustion engine and its control method | |
| CN103708418B (en) | Residual heat of tail gas of automobile is utilized to carry out the device of preparing hydrogen by reforming methanol | |
| CN104555923B (en) | Vehicle-mounted hydrous ethanol low-temperature reforming hydrogen production method and device and application system | |
| CN209523828U (en) | A kind of vehicular preparing hydrogen by reforming methanol device | |
| JP3531489B2 (en) | NOx reduction system for flue gas | |
| CN101004156A (en) | Discharging system of diesel engine with mechanism for reconditioning fuel | |
| CN106246416B (en) | A kind of alcohol using engine exhaust heat-hydrogen dynamical system | |
| CN204400605U (en) | Vehicle-mounted aqueous ethanol low-temperature reformate device for producing hydrogen | |
| CN102322323B (en) | Three-way catalytic reactor protecting system for automobile | |
| CN201003443Y (en) | Diesel engine discharge system possessing fuel oil reforming device | |
| CN103210193B (en) | Fuel reformer | |
| CN201991593U (en) | Vehicle-mounted hydrogen-making exhaust pipe | |
| JP2002276347A (en) | Exhaust gas treatment equipment comprising stored catalyst | |
| CN210286737U (en) | Methanol hydrogen production device | |
| CN1644909A (en) | IC steaming power equipments | |
| CN209039049U (en) | Reformation hydrogen production temperature control system | |
| US20140255259A1 (en) | Hydrogen-producing catalytic converter | |
| CN219081678U (en) | Built-in heat preservation device of three-way catalyst converter | |
| CN113446091B (en) | Exhaust apparatus, engine and car | |
| CN2411345Y (en) | Smoke eliminating purification device for diesel engine | |
| CN212272392U (en) | Methanol and hydrogen dual-fuel power system | |
| JP2000240441A (en) | NOx REDUCTION DEVICE FOR ENGINE EXHAUST GAS | |
| CN217753466U (en) | Vehicle-mounted high-dynamic-response ammonia decomposition hydrogen production system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161221 |
|
| RJ01 | Rejection of invention patent application after publication |