CN1048314C - Engine using remained heat for producing hydrogen - Google Patents

Engine using remained heat for producing hydrogen Download PDF

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Publication number
CN1048314C
CN1048314C CN94116320A CN94116320A CN1048314C CN 1048314 C CN1048314 C CN 1048314C CN 94116320 A CN94116320 A CN 94116320A CN 94116320 A CN94116320 A CN 94116320A CN 1048314 C CN1048314 C CN 1048314C
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hydrogen generator
reaction chamber
engine
hydrogen
pipe
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CN94116320A
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CN1118407A (en
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董银谈
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • 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
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

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  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Hydrogen, Water And Hydrids (AREA)

Abstract

The present invention relates to an engine for producing hydrogen by waste heat, which belongs to the technical field of internal combustion engines. The present invention has the technical scheme that a hydrogen generator is directly connected in series to an exhaust pipeline of an original engine; an exhaust silencer of the engine is combined with an alcohol cracking reactor which is composed of a gasifying overheat chamber (10), a closed pipe (2) and a reaction chamber (19) which are in a U-shaped structure. The present invention has the advantages of compact structure, small material consumption, good intensity, uniform heating and heat transfer, high speed of temperature rising, convenient installation and use, and environmental protection, the weight is reduced by 50%, and the charge of catalyst is increased by three times. The present invention is a product having wide application and good market development prospect.

Description

Engine producing hydrogen with remainder heat
The invention belongs to technical field of internal combustion engines, be specifically related to a kind ofly can be widely used in Hyundai Motor, aircraft, locomotive, steamer and the fixing all kinds of internal-combustion engines that use, and the airborne hydrogen producing technology at once of gas turbine engine and for implementing the custom-designed device of this technology.
Improve the combustion position of internal-combustion engine with the method for mixing certain proportion hydrogen and gasoline mixed combustion, thereby the energy-conservation and environment protection effect of realizing internal-combustion engine is the advanced technology scheme that field of internal combustion engine is generally acknowledged.But because the storage of hydrogen and carry the difficulty of aspect causes this technological scheme to be difficult to practicability.On the other hand, in order to reduce the dependence to petroleum resources, relatively the choice of reality is for combustion with Aalcohols fuel.And utilize engine exhaust heat, and fuel alcohol is carried out catalytic pyrolysis, alcohols is converted into hydrogen-rich gas (or claims pure cracking gas, 2H 2+ CO), then hydrogen-rich gas and gasoline being mixed into the method that motor acts as a fuel, a kind of exactly alcohols that solves is for firing and mix the effective ways of the many difficulties that faced in the hydrogen burning process.The key technology that realizes the method is exactly an engine producing hydrogen with remainder heat.And hydrogen generator of modern engine exhaust pipeline serial connection is engine producing hydrogen with remainder heat.
The inventor has carried out long time test research in the technical field of engine producing hydrogen with remainder heat, and has successively obtained multinomial patent of invention such as CN 85 1 09487, CN 88108905.2 and CN 88100666.1.In above-mentioned patent documentation, disclose about utilizing the content of exhaust heat cracking alcohol hydrogen manufacturing and pyrolysis reactor of alcohols.After this, at number of patent application be: in 89203685.0 the patent documentation again the someone alcohols modifying apparatus of different structure is disclosed.The common structure feature of above-mentioned disclosed device all is that the catalytic reactor partial design in the device is become tubular structure, adopts this kind structure to exist the reaction compartment utilization ratio low, the big heaviness of device volume, and loaded catalyst is few and change shortcoming such as difficulty.Cause at automobile, particularly install and use very difficultly on the extremely limited remaining space of light-duty vehicle, become the obstacle of practicability.
The objective of the invention is at the deficiencies in the prior art part, in conjunction with alcohol-hydrogen pressing for for combustion technology practicability, design that a kind of structure is more reasonable, in light weight, consumptive material is few, can increase loaded catalyst, intensity is good, be heated evenly, warming velocity is fast, installs and use all engine producing hydrogen with remainder heat very easily.
Purpose of the present invention can realize by following measure:
Engine producing hydrogen with remainder heat of the present invention, comprise motor, the outlet pipe that links to each other with engine exhaust port, reach suction tude and outlet pipe hydrogen generator of direct serial connection and temperature control bypassing exhaust device, hydrogen generator fuel input end is connected with a pure feed controller, is provided with a fuel mixer between the hydrogen output terminal of hydrogen generator and the engine air inlet tube.Hydrogen generator of the present invention is a pure cracking silencing apparatus that the exhaust silencer and the pyrolysis reactor of alcohols of motor are combined into one.The gasification room of hydrogen generator, cross over pipe and reaction chamber are formed the U-shaped structure.Gasification room is positioned at the exhaust gas intake port end of hydrogen generator, and reaction chamber is positioned at the exhaust outlet end of hydrogen generator, and gasification room and reaction chamber interconnect by cross over pipe.Gasification room and reaction chamber are the totally-enclosed garden housings of making of metallic material, and uniform perforated pipe and sleeve pipe on the front and back shrouding of gasification room and reaction chamber form circular or oval cellular.
Purpose of the present invention can also realize by following measure:
One face down bonding of the gasification room of hydrogen generator has pure fuel inlet pipe, and its outer end links to each other with carrier pipe from pure feed controller, and its inner below is welded with a pure liquid gasification flow distribution plate.The reaction chamber of hydrogen generator is welded with the hydrogen output tube, link to each other with engine air inlet tube through fuel mixer, the port of reaction chamber bottom cross over pipe is filled with wire gaze and magnet ring, between sleeve pipe on the magnet ring and perforation tubulation outer wall, be filled with catalyzer, can insert thermocouple in the catalyzer to temperature control electronic device output signal.The member available copper of pyrolysis reactor of alcohols, stainless steel or corrosiron material.The prescription of the employed cracking fuel of hydrogen generator can be (weight percentage): gasoline or diesel oil or kerosene 0～50; Methyl alcohol or ethanol 80～30; Carbon ammonium or urea 5～20; H 2O 20～50, can realize the control to the motor fuel hydrogen content of getter with hydrogen doped by the delivery volume of fuel-control unit fuel metering.
The present invention compared with prior art has following outstanding advantage:
1, the present invention has made significant improvement to the structure of hydrogen generator, engine exhaust muffler and pyrolysis reactor of alcohols organically are combined as a whole, the pyrolysis reactor of alcohols that uses, its structure is the cylindrical or oval of honeycomb coaly, this compact structure, consumptive material is few, weight saving 50%, and loaded catalyst increases by three times.The intensity height is heated, conducts heat evenly, and warming velocity is fast.
2, fuel mixer of the present invention is the disc impeller, mixes.Be convenient to install with existing motor car engine combination.Be easy to realize the engine underpressure burning, it is energy-conservation to mix hydrogen.Easily realize engine booster, improve power.
3, the present invention utilizes exhaust heat, installs at the available engine outlet pipe, and without any need for change, installation and use are all very convenient to motor.Bypassing exhaust, catalytic bed constant temperature also can utilize gear mechanical linkage by the thermosensitive element automatic control, realize the automatic control of catalytic bed constant temperature.
4, pure volume of the present invention is 0～85%, and adjustable at random in this scope.
5, after testing, guaranteeing former mechanomotive force, under the situation of Economy, the present invention can realize effectively that alcohol-hydrogen is for combustion.When being 30～50% (weight ratios) for the combustion amount, alcohol is to alternative ratio≤1 of gasoline when average.Alcohol cracking gas composition is: hydrogen 64.2%, carbon monoxide 31.6%, methane 1.13%, carbon dioxide 2.24%, nitrogen 0.62%, oxygen 0.16%.
6, help environmental protection, exhaust gas composition of the present invention limits row's standard to compare with country, and carbon monoxide reduces more than 50%, and hydrocarbon reduces more than 30%, and oxynitrides reduces more than 30%.
Below in conjunction with accompanying drawing and embodiment shown in the drawings, content of the present invention is further described, but content of the present invention is not limited to shown in the accompanying drawing.
Fig. 1 is the structural representation of key equipment hydrogen generator of the present invention;
Fig. 2 is the plan view of device shown in Figure 1;
Fig. 3 is the plan view of device shown in Figure 1;
Fig. 4 is the A-A sectional view among Fig. 1;
Fig. 5 is the B-B sectional view among Fig. 2;
Fig. 6 is the C-C sectional view among Fig. 2;
Housing 1, cross over pipe 2, preceding shrouding 3, suction tude 4, sleeve pipe 5, perforated pipe 6, shunting suction tude 7, shrouding 8 before the gasification room, sleeve pipe 9, gasification room 10, shrouding 11 behind the gasification room, dividing plate 12, noise elimination tail pipe 13, dividing plate 14,15, middle hush tube 16, dividing plate 17, shrouding 18 before the reaction chamber, reaction chamber 19, sleeve pipe 20, shrouding 21 behind the reaction chamber, reaction chamber perforated pipe 22, flange 23, capping 24, screw 25, thermocouple junction 26, back shrouding 27, pure fuel inlet pipe 28, alcohol gasification ram's horns 29, alcohol cracking gas delivery outlet 30, pure cracking gas output tube 31, panel opening 32.
Embodiment:
A kind of engine producing hydrogen with remainder heat, comprise motor, the outlet pipe that links to each other with engine exhaust port, reach suction tude and outlet pipe hydrogen generator of direct serial connection and temperature control bypassing exhaust device, hydrogen generator fuel inlet pipe 28 is connected with a pure feed controller, is provided with a fuel mixer between the hydrogen output terminal of hydrogen generator and the engine air inlet tube.Hydrogen generator of the present invention is that the exhaust silencer of motor and pyrolysis reactor of alcohols are combined as a complete pure cracking silencing apparatus.The gasification room 10 of hydrogen generator, cross over pipe 2 and reaction chamber 19 are formed the U-shaped structure.Gasification room 10 is positioned at the exhaust gas intake port end of hydrogen generator, and reaction chamber 19 is positioned at the exhaust outlet end of hydrogen generator, and gasification room and reaction chamber interconnect by cross over pipe 2.Gasification room 10 and reaction chamber 19 are totally-enclosed garden housings of making of metallic material.Uniform perforated pipe 6,22 and sleeve pipe 9,20 on the front and back shrouding 8,11,18,21 of gasification room 10 and reaction chamber 19 form circular or oval cellular.One face down bonding of the gasification room 10 of hydrogen generator has pure fuel inlet pipe 28, and its outer end links to each other with carrier pipe from pure feed controller, and its inner below is welded with a pure liquid gas flow distribution plate 29, uniform 8～12 circular holes that diameter is 3mm on the flow distribution plate.One face down bonding of reaction chamber 19 has hydrogen output tube 31, links to each other with engine air inlet tube through fuel mixer.On the panel of reaction chamber 19 opposite sides opening 32 being arranged, is to use for loading catalyst.Opening is furnished with flange 23 and capping 24, uses screw attachment.Be welded with threaded pipe on capping 24 center holes and can insert thermocouple, thermocouple wire is connected with the temperature control electronic device.The port of reaction chamber 19 bottom cross over pipes 2 is filled with wire gaze and magnet ring, is filled with catalyzer between sleeve pipe on the magnet ring 20 and perforation tubulation 22 outer walls.The front end of the exhaust suction tude 4 of hydrogen generator is provided with the bypassing exhaust rotary valve, and its side is provided with exhaust shunt tube 7, and the exhaust suction tude 4 of the main exhaust of motor and hydrogen generator and exhaust shunt tube 7 form a Y-pipe structure.The bypassing exhaust valve is positioned at the Y-pipe center, has the bypassing exhaust function, when the hydrogen generator reaction chamber is deflated heating, when being in catalyzer heating temperature in the reaction chamber and reaching predetermined value, then temperature control instrument passes through outside exhaust shunt tube 7, the exhaust exit pipe 13 direct discharge machines exhaust by transducing signal instruction motor driving bypassing exhaust rotary valve.The member available copper of hydrogen generator, stainless steel or corrosiron material.
The prescription of employed cracking fuel is (weight percentage):
Vapour (bavin, coal) oil 30
First (second) alcohol 60
Carbon ammonium (urea) 12
H 2O 40
Can realize control by the delivery volume of fuel-control unit fuel metering to the engine combustion hydrogen content of getter with hydrogen doped.
Hydrogen generator working principle provided by the invention:
Be to utilize exhaust heat to carry out pure fuel catalytic cracking.The exhaust of motor is entered by the hydrogen generator hush tube, turns to outside the noise elimination tail pipe eliminating machine by middle hush tube 16.Exhaust is carried out noise elimination noise reduction in the noise elimination passage of hydrogen generator, and simultaneously to gasification room and reaction chamber housing outer wall, the heat supply of punch column inner tube wall.When thermocouple signal reached pure cracking and catalyzing temperature predetermined value, temperature control instrument instructed pure pump startup.Alcohol fuel enters gasification room through the feed controller from inlet duct and is shunted gasification.Under engine air inlet tube suction suction function, the fuel that is vaporized state passes wire gaze by cross over pipe 2 and enters reaction chamber, and in the process of passing with contact catalyst catalytic pyrolysis takes place, and (hydrogen-rich gas, main component are 2H to become pure cracking gas 2+ CO).Last pure cracking gas follows pipeline and enters suction tude for engine combustion through fuel mixer.Because pure cracking process is heat absorption reaction, need to consume the entrained a large amount of waste heats of exhaust, can reduce the temperature and pressure of exhaust.Thereby further reduced the noise that exhaust produced.When thermocouple signal surpasses pure crack temperature range predetermined value, temperature control instrument instruction bypassing exhaust, then high-temperature exhaust air changes by shunting suction tude 7 and enters noise elimination tail pipe 13 backs directly outside the discharge machine.

Claims (6)

1, a kind of engine producing hydrogen with remainder heat, comprise motor, the outlet pipe that links to each other with engine exhaust port, and suction tude, and outlet pipe directly is connected in series a hydrogen generator and temperature control bypassing exhaust device, hydrogen generator fuel input end is connected with a pure feed controller, be provided with a fuel mixer between the hydrogen output terminal of hydrogen generator and the engine air inlet tube, it is characterized in that described hydrogen generator is a pure cracking silencing apparatus that the exhaust silencer and the pyrolysis reactor of alcohols of motor are combined into one, the gasification room of hydrogen generator (10), cross over pipe (2) and reaction chamber (19) are formed the U-shaped structure; Gasification room (10) is positioned at the exhaust gas intake port end of hydrogen generator, and reaction chamber (19) is positioned at the exhaust outlet end of hydrogen generator, and gasification room (10) and reaction chamber (19) interconnect by cross over pipe (2); Gasification room and reaction chamber are the totally-enclosed garden housings of making of metallic material, and the front and back shrouding of gasification room and reaction chamber (8,11,18,21) is gone up uniform perforated pipe (6,22) and sleeve pipe (9,20), form circular or oval cellular.
2, motor according to claim 1, a face down bonding that it is characterized in that the gasification room (10) of hydrogen generator has pure fuel inlet pipe (28), its outer end links to each other with carrier pipe from pure feed controller, and its inner below is welded with a pure liquid gasification flow distribution plate (29).
3, motor according to claim 1, the reaction chamber (19) that it is characterized in that hydrogen generator is welded with the hydrogen output tube, link to each other with engine air inlet tube through fuel mixer, the port of reaction chamber bottom cross over pipe (2) is filled with wire gaze and magnet ring, between sleeve pipe on the magnet ring (20) and perforation tubulation (22) outer wall, be filled with catalyzer, can insert thermocouple in the catalyzer to temperature control electronic device output signal.
4, motor according to claim 1 is characterized in that member available copper, stainless steel or the corrosiron material of hydrogen generator.
5, motor according to claim 1 is characterized in that the prescription of the employed cracking fuel of hydrogen generator is (weight percentage):
Gasoline or diesel oil or kerosene 0～50
Methyl alcohol or ethanol 80～30
Carbon ammonium or urea 5～20
H 2O 20～50
6, motor according to claim 1 can be used for Hyundai Motor, aircraft, locomotive, steamer and the fixing all kinds of internal-combustion engines that use, and also can be used for gas turbine engine.
CN94116320A 1994-09-05 1994-09-05 Engine using remained heat for producing hydrogen Expired - Fee Related CN1048314C (en)

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Application Number Priority Date Filing Date Title
CN94116320A CN1048314C (en) 1994-09-05 1994-09-05 Engine using remained heat for producing hydrogen

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Application Number Priority Date Filing Date Title
CN94116320A CN1048314C (en) 1994-09-05 1994-09-05 Engine using remained heat for producing hydrogen

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CN1118407A CN1118407A (en) 1996-03-13
CN1048314C true CN1048314C (en) 2000-01-12

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100579815C (en) 2005-10-18 2010-01-13 董银谈 Electric automobile of hydrogen hybrid powder
CN102039814A (en) * 2009-10-26 2011-05-04 韩林生 Hydrogen vehicle capable of producing hydrogen by alcohol cracking
CN102518533B (en) * 2011-12-12 2013-12-11 樊品良 Alcohol and hydrogen-rich gas engine
CN102562225A (en) * 2011-12-30 2012-07-11 中北大学 Silencing, cracking and coupling device of engine for methanol cars
CN102650247B (en) * 2012-05-14 2013-09-04 朱景建 Engine waste heat hydrogen production device
US20240017992A1 (en) * 2020-11-25 2024-01-18 TI-Holdings B.V. Thermal inverter

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