CN105569883A - Methanol decomposition reactor based on waste heat of engine - Google Patents
Methanol decomposition reactor based on waste heat of engine Download PDFInfo
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- CN105569883A CN105569883A CN201510967499.8A CN201510967499A CN105569883A CN 105569883 A CN105569883 A CN 105569883A CN 201510967499 A CN201510967499 A CN 201510967499A CN 105569883 A CN105569883 A CN 105569883A
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- methanol
- engine
- decomposition reactor
- inner casing
- shell
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 266
- 238000000354 decomposition reaction Methods 0.000 title claims abstract description 39
- 239000002918 waste heat Substances 0.000 title abstract description 10
- 239000007789 gas Substances 0.000 claims abstract description 48
- 239000002912 waste gas Substances 0.000 claims abstract description 16
- 239000003054 catalyst Substances 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 239000000919 ceramic Substances 0.000 claims abstract description 4
- 238000005336 cracking Methods 0.000 claims description 28
- 238000012856 packing Methods 0.000 claims description 10
- 238000009529 body temperature measurement Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 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 12
- 238000002485 combustion reaction Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 239000000203 mixture Substances 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
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 150000002431 hydrogen Chemical class 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 239000011148 porous material Substances 0.000 abstract 2
- 238000000197 pyrolysis Methods 0.000 abstract 1
- 210000002268 wool Anatomy 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 11
- 239000003502 gasoline Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000009089 cytolysis Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011981 development test Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 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
- 229940062042 oxygen 50 % Drugs 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
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 231100001234 toxic pollutant Toxicity 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/10—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding acetylene, non-waterborne hydrogen, non-airborne oxygen, or ozone
- F02M25/12—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding acetylene, non-waterborne hydrogen, non-airborne oxygen, or ozone the apparatus having means for generating such gases
-
- 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
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
- Hydrogen, Water And Hydrids (AREA)
Abstract
The invention discloses a methanol decomposition reactor based on the waste heat of an engine. According to the methanol decomposition reactor based on the waste heat of the engine, the waste heat of tail gas of the engine is used for heating methanol, so that the methanol is decomposed into a gas mixture of hydrogen, carbon monoxide and the like, and the gas mixture is introduced into a combustion chamber of the engine for combustion after decomposition. The methanol decomposition reactor comprises a shell body, a methanol pipe, heat exchange pipes, a pyrolysis gas outlet and the like. An outer shell of the reactor is wrapped with heat-insulation ceramic wool. A steel pipe is supported between an inner shell and the outer shell of the reactor. The methanol enters a decomposition chamber through the methanol pipe, and the decomposition chamber is filled with catalysts. The two ends of each heat exchange pipe are welded to ventilating pore plates. Baffle plates penetrate through the middle portions of the heat exchange pipes. Waste gas enters the heat exchange pipes via a waste gas inlet through the front ventilating pore plate so as to participate in heat exchange. According to the methanol decomposition reactor based on the waste heat of the engine, the waste heat of the tail gas exhausted by the engine is used for a methanol decomposition hydrogen production reaction, pollutant emission of the engine is reduced, the utilization rate of the waste heat of the engine is increased, and the energy efficiency of the engine is improved. The methanol decomposition reactor based on the waste heat of the engine is economical in use, reliable and long in service life and can be applied to the fields of automobiles, ships and the like.
Description
Technical field
The present invention relates to a kind of methanol decomposition reactor utilizing engine exhaust heat, belong to engine exhaust heat and utilize field.
Background technique
Methyl alcohol is the fuel of a kind of oxygen enrichment, environmental protection, high energy, and its physical property determines methyl alcohol at normal temperatures and pressures to be existed in liquid form.Compared with gasoline, H/C and the octane value of methyl alcohol are high, and lean-burn scope is very wide in range, and allowing motor to use higher compression ratio, is a kind of highly effective fuel.Containing oxygen 50% in methanol molecules, velocity of combustion is fast, and self is containing oxygen and aiding combustion, and sufficient combustion, can improve the thermal efficiency, can realize again emission controls by improving combustion and reduce the conventional gas discharges such as CO, HC and NOx.Raw materials extensively enrich (as waste etc. is produced in low grade coal, oven gas, life), and this contributes to further genralrlization and the application of methanol fuel.China has the history of 40 years nearly to the development test of methanol fuel replacing gasoline, had in some areas scale to be applied at present, achieved the bumper harvests of economic benefit and social benefit.But at present using methyl alcohol as direct alternative motor fuels, can produce the problem that some are serious, containing various toxic pollutants etc. in the bad and tail gas of as lower in calorific value, easy corrode engine, lubricity, this all hampers the further application of methanol fuel.For the consideration of energy-saving and emission-reduction, enter engine cylinder combustion after methanol decomposition being become hydrogen and carbon monoxide and overcome the above-mentioned shortcoming of methyl alcohol as direct substitute fuel.Containing abundant hydrogen in dissociated methanol gas, possess the feature of combustion of hydrogen, thin rapid combustion can be realized, thus improve engine thermal efficiency, significantly reduce noxious emission, improve power character and the Economy of motor.Research shows that petrol engine is mixed the fuel economy after hydrogen burning and improved 30%, uses gasoline/hydrogen mixed gas can improve mixture combustion speed, use pure gasoline to export with guaranteed output when high load during petrol engine sub load; Diesel engine is mixed hydrogen postignition delay period and is shortened, and burning can complete near top dead center, and ignition time delay is little by influence of oxygen content in mixed gas, thus creates condition for adopting EGR to reduce discharged nitrous oxides.Dissociated methanol gas can provide the fuel of this cleanest and environmental protection of hydrogen energy source for automobile.Meanwhile, in hydrogen utilization, methanol decomposition solves hydrogen and stores the difficulties such as inconvenient, safety coefficient is low, and application prospect is better.More the good news is, methanol low-temperature decomposing catalyzer has had breakthrough progress, methyl alcohol uses special catalyzer just can cracking completely at a lower temperature, makes by the hydrogen manufacturing of absorbing automobile exhaust waste heat dissociated methanol and the technology path being used as motor fuel obtains technical support.
It is one of developing direction of future automobile technology that engine exhaust heat is recycled.Existing engine exhaust heat recovery and utilization technology, in order to take into account reactor heat transfer effect and casing rigidity, takes different equipment structure, considerably increases the risk of weld joint gas leakage; Some technological schemes adopt heat exchanging tube catalyst filling, and catalyst loading amount is little, and is be liquid state because methyl alcohol enters in pipe, easily washes away catalyst granules; Some technological schemes adopt electric heating bolt auxiliary heating, although enhance the heat exchange of reactor, easily cause reactor to be heated uneven, add the difficulty controlling reaction temperature.
Summary of the invention
For above defect or the Improvement requirement of prior art, the present invention utilizes engine exhaust heat to propose the methanol decomposition reactor of a kind of compact structure, convenient disassembly, economic high energy efficiency, low emission reliably.
A kind of methanol decomposition reactor utilizing engine exhaust heat that the present invention proposes, comprises the outlet of housing, methyl alcohol pipe, heat exchanging tube and cracking gas, it is characterized in that:
Described housing comprises inner casing, shell, and through Catalyst packing mouth, exhaust gas inlet and waste gas outlet that shell communicates with inner casing cavity, is provided with support between inner casing and shell; Wherein said Catalyst packing mouth is used for being filled with catalyzer to inner casing cavity; Described exhaust gas inlet, waste gas outlet are positioned at the two ends of housing, for input and the discharge of engine exhaust;
Described methyl alcohol pipe lays to the other end extension from inner casing cavity near exhaust gas inlet one end, and draws through shell, and for inputting methanol vapor, it has some apertures near exhaust gas inlet one end, for supplying methanol steam to inner casing inner chamber;
Described heat exchanging tube is arranged vertically in inner casing inner chamber, and its one end is communicated with exhaust gas inlet by the first venthole plate, and the other end is communicated with waste gas outlet by the second venthole plate;
Described cracking gas exports the other end be opened in relative to Catalyst packing mouth, for externally exporting cracked gas.
Further, the housing cavity of described methanol decomposition reactor, perpendicular to heat exchanging tube direction, is provided with some deflection plates, and deflection plate is provided with the perforate corresponding with heat exchanging tube; Baffle section cuts off inner chamber, forms bending S shape gas channel, catalyzer is mixed with methanol steam more even with inner chamber.
Further, be provided with multiple heat exchanging tube in the described inner casing of described methanol decomposition reactor, each heat exchanging tube in the arrangement of radial cross-section direction evenly.
Further, the heat exchanging tube of described methanol decomposition reactor, inner casing, venthole plate are all made with copper material.
Further, the exhaust gas inlet place of described methanol decomposition reactor is provided with bypass tube, and when cracking reactor internal case temperature is too high, bypath valve is opened automatically, reduces the waste gas of input housing cavity.
Further, the housing of described methanol decomposition reactor offers thermocouple temperature measurement mouth, for inserting thermocouple.
Further, inner casing, the shell of described methanol decomposition reactor are cylindrical, vacuumize in it, and shell parcel insulating ceramic is cotton.
Further, the support between the inner casing of described methanol decomposition reactor and shell is steel pipe.
In general, compared with prior art, the present invention's above technological scheme conceived by the present invention has the following advantages:
1. utilize the using waste heat from tail gas that motor discharges, carry out methanol decomposition hydrogen production reaction, reduce the energy dissipation of engine exhaust heat, improve energy utilization efficiency.
2. adopt temperature controlling instrument to measure the temperature of methanol decomposition reactor, the fuel supply of Intelligent adjustment reactor, can make cracking hydrogen production reactor work under stable temperature conditions.
3. the cracking gas be obtained by reacting and gasoline blending are burnt, effectively can improve the combustion efficiency of motor, reduce the pollutant emission of motor, and save oil fossil fuel.
4. cracking chamber and heat exchanging chamber effectively integrate, compact structure, and Catalyst packing is convenient, each part convenient disassembly, are applicable to being arranged on the upper use such as automobile, boats and ships.
5. liquid methanol enters methyl alcohol pipe and waste gas carries out convection heat exchange, is vaporizated into methanol steam, and the memory space of cracking room catalyzer is large, and centre deflection plate separates, and form S shape gas circuit, the contact mass transfer response area of methanol steam and catalyzer greatly, improves cleavage rate.
6., because heat exchanging tube and reactor inner casing have employed same material, reduce the infringement because thermal stress butt welded seam causes; In addition, add last layer housing in the periphery of reactor, centre steel pipe support, considerably increase the intensity of reactor, also serve the effect of insulation simultaneously.Therefore, the use of this methanol cracking device is economical reliably, the life-span is long.
7. reactor is provided with bypass tube, inside establishes bypath valve, can effectively reduce the too high adverse effect to lysis efficiency of reactor cracking room temperature by control valve opening and closing.
Accompanying drawing explanation
Fig. 1 is methanol decomposition reactor of the present invention local longitudinal construction sectional view;
Fig. 2 is methanol decomposition reactor partial lateral structure sectional view of the present invention;
Fig. 3 is methanol decomposition reactor methanol pipe plan view of the present invention;
Fig. 4 is methanol decomposition reactor tridimensional topology view of the present invention;
In all of the figs, identical reference character is used for representing identical element or structure, wherein:
In figure: 1-exhaust gas inlet flange, 2-reactor end socket, guard ring before 3-, 4-first venthole plate, 5-thermocouple temperature measurement mouth, 6-heat exchanging tube, 7-Catalyst packing mouth lower flange, 8-Catalyst packing mouth upper flange, 9-Catalyst packing mouth, 10-deflection plate, 11-cracking gas outlet lower flange, 12-cracking gas outlet upper flange, 13-cracking gas exports, 14-second venthole plate, guard ring after 15-, 16-methyl alcohol pipe, 17-waste gas outlet, 18-waste gas outlet flange, exhaust air chamber after 19-, 20-supporting steel pipe accommodation space, 21-shell of reactor, 22-cracking room, 23-reactor inner casing, 24-exhaust gas inlet, 25-bypass tube flange, 26-bypass tube, 27-bypath valve, 28-methyl alcohol pipe hole array, 29-supporting steel pipe.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.In addition, if below in described each mode of execution of the present invention involved technical characteristics do not form conflict each other and just can mutually combine.
Fig. 1,2,3,4 is methanol decomposition reactor local longitudinal construction sectional view, lateral structure sectional view, plan view and stereochemical structure view respectively.
In the present embodiment, the exhaust gas inlet 24 of methanol decomposition reactor is three-way pipe, establish a bypath valve in bypass tube 26, when cracking temperature is lower, valve 27 is in closed condition, engine exhaust directly enters in cracking room 22 through reactor end socket 2, when cracking temperature exceedes optimum temperature, ECU (Electrical Control Unit) controls electromagnetism-gas-driving valve and opens valve, and most of tail gas that motor is discharged directly is discharged through bypass tube, cracking temperature no longer raises, and reduces exhaust emissions back pressure simultaneously;
In the present embodiment, exhaust gas inlet is welded in reactor shell by end socket; Waste gas outlet 17 is welded on the indoor shell of reactor exhaust, and the other end of exhaust air chamber is welded on reactor inner casing 23; Reactor body inner casing 23 adopts copper product, and reactor body shell 21 adopts stainless steel material, and shell of reactor parcel insulating ceramic is cotton to reduce heat radiation;
Methyl alcohol pipe 16 is fixed by welding manner, and its one end near the first vent board 4 has hole array 28, and methanol feeding route adopts the mode contrary with waste gas route, and the other end is connected with methyl alcohol storage tank by methyl alcohol delivery pipe with methanol pump through methyl alcohol nozzle; Heat exchanging tube 6 is welded on venthole plate through deflection plate 10, and venthole plate and deflection plate have multiple waste gas streams through hole; Cracking gas outer pipe is installed by welding manner, and it is connected by adpting flange 11,12 with cracking gas delivery pipe 13; Thermocouple temperature measurement mouth 5 is distributed in exhaust gas inlet end, and one end of thermocouple is inserted in cracking room by temperature-measuring port, and the other end temperature signal line is connected with ECU (Electrical Control Unit); Each Flange joint part is at the sealed under pressure of fastening screw screw bolt and nut;
ECU (Electrical Control Unit) is connected with methanol pump circuit.One end access methyl alcohol storage tank of methanol pump, between connect with methyl alcohol delivery pipe.When needs provide methyl alcohol to reactor, ECU (Electrical Control Unit) is by control circui methanol pump, and methanol pump is connected with methyl alcohol nozzle, and methyl alcohol sprays into supply pipe through nozzle and then enters cracking room;
Described supporting steel pipe 29 is welded in reactor inner casing main body, and shell of reactor is wrapped in outside steel pipe closely, forms tube-in-tube structure.Venthole plate is welded on reactor body inner casing two ends respectively.The inside and outside shell of reactor end socket is welded on the inside and outside shell of reactor body part respectively, same, and the inside and outside shell of exhaust air chamber is welded on the inside and outside shell of reactor respectively.
Catalyzer is solid bead granule, loaded by catalyst inlet and be full of whole cracking room, separated by venthole plate and reactor end socket, exhaust air chamber, methyl alcohol pipe and heat exchanging tube intert between catalyzer, accumbency is in cracking room, and cracking room is spaced vertically formation S shape gas circuit by deflection plate.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. utilize a methanol decomposition reactor for engine exhaust heat, comprise housing, methyl alcohol pipe (16), heat exchanging tube (6) and cracking gas outlet (13), it is characterized in that:
Described housing comprises inner casing (23), shell (21), and through Catalyst packing mouth (9), exhaust gas inlet (24) and waste gas outlet (17) that shell communicates with inner casing cavity, between inner casing (23) and shell (21), be provided with support; Wherein said Catalyst packing mouth (9) is for being filled with catalyzer to inner casing cavity; Described exhaust gas inlet (24), waste gas outlet (17) are positioned at the two ends of housing, for input and the discharge of engine exhaust;
Described methyl alcohol pipe (16) lays to the other end extension from inner casing (23) cavity near exhaust gas inlet (24) one end, and draw through shell (21), for inputting methanol vapor, it has some apertures near exhaust gas inlet (24) one end, for supplying methanol steam to inner casing (23) inner chamber;
Described heat exchanging tube is arranged vertically in inner casing (23) inner chamber, its one end is communicated with exhaust gas inlet (24) by the first venthole plate (4), and the other end is communicated with waste gas outlet (17) by the second venthole plate (14);
Described cracking gas outlet (13) is opened in the other end relative to Catalyst packing mouth (9), for externally exporting cracked gas.
2. methanol decomposition reactor according to claim 1, is characterized in that, described housing cavity, perpendicular to heat exchanging tube direction, is provided with some deflection plates (10), and deflection plate (10) is provided with the perforate corresponding with heat exchanging tube; Baffle section cuts off inner chamber, forms bending S shape gas channel, catalyzer is mixed with methanol steam more even with inner chamber.
3. methanol decomposition reactor according to claim 1 and 2, is characterized in that, described inner casing is provided with multiple heat exchanging tube in (23), and each heat exchanging tube in the arrangement of radial cross-section direction evenly.
4. methanol decomposition reactor according to claim 1 and 2, is characterized in that, described heat exchanging tube, inner casing, venthole plate are all made with copper material.
5. methanol decomposition reactor according to claim 1 and 2, it is characterized in that, bypass tube (26) is provided with at described exhaust gas inlet (24) place, when cracking reactor internal case temperature is too high, bypath valve (27) is opened automatically, reduces the waste gas of input housing cavity.
6. methanol decomposition reactor according to claim 1 and 2, is characterized in that, described housing offers thermocouple temperature measurement mouth (9), for inserting thermocouple.
7. methanol decomposition reactor according to claim 1 and 2, is characterized in that, described inner casing (23), shell (21) are cylindrical, vacuumize in it, and shell (21) parcel insulating ceramic is cotton.
8. methanol decomposition reactor according to claim 1 and 2, is characterized in that, the support between described inner casing (23) and shell (21) is steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510967499.8A CN105569883B (en) | 2015-12-18 | 2015-12-18 | Methanol cracking reactor utilizing engine waste heat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510967499.8A CN105569883B (en) | 2015-12-18 | 2015-12-18 | Methanol cracking reactor utilizing engine waste heat |
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| CN105569883A true CN105569883A (en) | 2016-05-11 |
| CN105569883B CN105569883B (en) | 2021-12-17 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107035463A (en) * | 2016-11-28 | 2017-08-11 | 华中科技大学 | It is a kind of that the sound eliminator for automobile of catalytic reaction can be carried out using waste heat |
| CN108104985A (en) * | 2018-01-16 | 2018-06-01 | 浙江吉利新能源商用车有限公司 | A kind of methanol gas cracking apparatus processed online |
| 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 |
| CN109264669A (en) * | 2018-11-09 | 2019-01-25 | 沈阳航空航天大学 | The airborne methanol recapitalization system and control method of hydrogen-rich gas are produced using tail gas |
| CN110273791A (en) * | 2019-07-31 | 2019-09-24 | 合肥宝利来环保技术合伙企业(有限合伙) | Vehicle-mounted methanol device for producing hydrogen and its control system |
| 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 |
| CN113847142A (en) * | 2021-08-19 | 2021-12-28 | 云南晴空侍卫科技发展有限公司 | Fuel oil cracker suitable for reducing carbon deposition in machine |
| CN115744822A (en) * | 2022-12-07 | 2023-03-07 | 张宏辉 | High-efficiency methanol reforming hydrogen production device |
| CN117536741A (en) * | 2023-10-19 | 2024-02-09 | 佛山仙湖实验室 | Ammonia internal combustion engine fuel servicing system and method of use |
| CN117963838A (en) * | 2024-04-02 | 2024-05-03 | 烟台哈尔滨工程大学研究院 | Tubular ammonia decomposition hydrogen production reactor utilizing waste heat of ship engine exhaust gas |
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| CN117963838A (en) * | 2024-04-02 | 2024-05-03 | 烟台哈尔滨工程大学研究院 | Tubular ammonia decomposition hydrogen production reactor utilizing waste heat of ship engine exhaust gas |
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