CN204186492U

CN204186492U - Automobile gasoline vaporizer

Info

Publication number: CN204186492U
Application number: CN201420344983.6U
Authority: CN
Inventors: 斯养武; 王志军
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-06-26
Filing date: 2014-06-26
Publication date: 2015-03-04
Anticipated expiration: 2024-06-26

Abstract

The utility model discloses a kind of automobile gasoline vaporizer, in this gasoline carburettor, the entrance of transport pipe (3) is connected with the oil transportation mouth of oil transfer pump (1), and the outlet of transport pipe (3) is connected with the inlet opening of Carburetor (9); The identical sidewall in front end of transport pipe (3) offers two through holes, the two ends of oil transportation arm (10) are welded on described two through holes respectively, described oil transportation arm and described transport pipe form square shape, automobile exhaust pipe (2) through described hollow, and is close to described transport pipe (3) and oil transportation arm (10); Storage battery (5), switch (4) and electric furnace heating wire (8) form loop by electric wire (6), described electric wire (6) is wound around isolation layer (7) outward, and described electric furnace heating wire is wound around described transport pipe (3).Combustion efficiency is improved, and pollutant emission reduces.

Description

Automobile gasoline vaporizer

Technical field

The utility model relates to a kind of automobile gasoline vaporizer.

Background technique

In recent years, due to rolling up of automobile, gasoline in use directly burns, add incomplete combustion, create a large amount of carbon monoxide and smokeshade, cause severe contamination to air, become the second largest pollution sources in atmospheric haze, directly endanger human physical and mental health.

The technology of current main employing has pretreatment technology and post-processing technology.Pretreatment technology normally adopts conventional Carburetor, improves combustion efficiency, its mainly by adjust the air fuel ratio of Carburetor, ignition advance angle, improvement firing chamber the method such as shape realize improving combustion efficiency.Post-processing technology is reprocessing purification technics, normally when not affecting or affect less other performances of motor, various purification plant is installed in vent systems, reducing pollutant in exhaust eventually to the discharge amount of atmosphere environment, such as, uses three-way catalytic converter to carry out the reprocessing of waste gas.

But, gasoline atomizing and air are normally mixed to form inflammable mixture by the effect of Carburetor, then send as each cylinder, normally when gasoline passes through gasoline pumping as the float chamber in Carburetor, in float chamber, there is one to measure empty, it can form (vacuum) pressure difference by ambient atmos pressure and jet pipe, is directly sprayed into by oil and shouts pipe, becomes oil droplet and shouts the air of pipe top by air-strainer and mix.Particularly, from the external world air through filtering laggard enter Carburetor, how many air inputs is controlled by the change of choke valve position.Air break through trunnion in Carburetor produce suction by fuel oil from float chamber by jet pipe sucking-off, and be atomized, the fuel oil of atomization and air mixing rear leading to are sucked by cylinder without intake manifold, the input of mixed gas is handled by a gas pedal, the throttle (closure) that it is positioned at Carburetor controlled, the oil mass being pumped into float chamber by petrol pump is then controlled by the float in float chamber, float is elevated along with oil mass is how many in float chamber, when being full of gasoline in float chamber, float floats, with its needle-valve, filler opening is blocked, person for driving a car changes the rotating speed of motor by controlling accelerator open degree size, the concentration of mixed gas thickens greatly and gradually along with throttle is opened.From clearly upper, Carburetor is only be fine drop by gasoline atomizing, and non-vaporized is gas, and therefore its combustion efficiency is still limited.

CN1085986A discloses a kind of dynamic carburettor, what its relied on Carburetor outside to apply power-forcedly realizes fuel-oil atmozation, wherein atomizing wheel is contained in atomizing cavity, apply power by outside and make atomizing wheel High Rotation Speed, atomizing wheel is dispersed with oil duct and air flue, oil duct and air flue are interspersed, and fuel oil is dispelled atomization by the air blast that rotary-atomizing wheel is formed after entering oil duct gradually.This Carburetor is conventional pulverization type Carburetor.

CN101644211A discloses a kind of Carburetor, comprise carburetor body, grease chamber is provided with in body, working connection, the choke door-plate that solar term aperture of door and the interior front and back of solar term aperture of door set gradually, aditus laryngis and solar term door-plate, grease chamber sucks fuel oil by oil feeding device, grease chamber is communicated with working connection by oil duct, body internal resistance air door plate place is provided with the gas circuit communicated with working connection, Venturi tube is provided with between gas circuit and the outlet of oil duct, oil duct III is provided with between working connection and solar term aperture of door, the outlet of oil duct III is located between aditus laryngis and solar term door-plate, oil duct comprises oil duct I and oil duct II, oil duct I is connected with mixed at high speed gas adjusting screw, oil duct II is connected with mixed on low speed gas adjusting screw, gas circuit communicates respectively by Venturi tube I and Venturi tube II with between oil duct I and the outlet of oil duct II.This Carburetor is conventional pulverization type Carburetor.

CN1754983A discloses a kind of vaporizer for obtaining semiconductor process gases from the fluid of gas-liquid mixed, possesses: container, specifies the process space of above-mentioned vaporizer; Supply head, has the multiple ejiction openings spraying above-mentioned fluid in said vesse; Heating paths, in the downside of described ejiction opening, be configured in described container, described heating paths heats the described fluid in the process of circulation and generates described process gas; Gas derived channel, is connected with described container, from the downside of described heating paths, derives described process gas in the transverse direction; Mist reservoir, in the downside of described gas lead path, is configured in described container.This Carburetor is conventional pulverization type Carburetor.

CN103527356 discloses a kind of gasoline vaporizer, be made up of electronic fuel injection, gasification room, gas storage chamber, electrically-controlled valve, safety check, Decompression valves and sensor, it is characterized in that: retain original engine fuel system, and be directly connected with engine exhaust hole, utilize the waste heat of motor to carry out gasification gasoline; Utilize the temperature transducer be arranged on below gasification room to detect gasification room temperature and reach 700 DEG C, the oil nozzle above gasification room is started working; Gas, when the pressure of gas storage chamber reaches oil feed pump charge oil pressure, utilizes the original engine fuel system of closed electromagnetic valve, provides fuel by gasoline gas.This Carburetor is conventional pulverization type Carburetor.

US6578532A1 discloses a kind of for the petrolic fuel vaporization system of carburetor type, wherein fuel vaporization room is communicated with petrol tank fluid, fuel vaporization room and motor exhaust thermo-contact, fuel fume is sent to mixing box and mixes with water vapour, this steam mixture is delivered to intake manifold from described mixing box by fuel fuel fan, and fuel efficiency is improved.In this patent documentation, utilize special vaporization chamber to make fuel gasification, the complexity of whole engine system is obviously increased, and high cost.

WO2011037567A1 discloses a kind of fuel vaporizer for internal-combustion engine, and described fuel vaporizer comprises: heat exchanger; By the evaporator assemblies of heat exchanger heats, by the liquid fuel inlet pipeline of the body base of described evaporator assemblies, be provided with the evaporator assemblies of liquid fuel; A float floats over the bottom of the evaporator assemblies of liquid fuel, described float has the needle being connected to its top, wherein, heat from described heat exchanger makes liquid fuel gasification, thus make float lower, therefore pull pin from valve body, thus make more liquid fuel flow to the bottom of evaporator assemblies, vapor exit line is connected to the top of evaporator assemblies; With the fuel fume of the described steam (vapor) outlet pipeline conveying fuel rail to explosive motor.In this patent documentation, also adopt special vaporization chamber to make fuel gasification room and fuel rail, make the complexity of whole engine system obviously increase equally, and high cost.

" TILLOTSON diaphragm carburetor fuel-saving machine and the research of altimetric compensation device ", open and learn equality, " compact internal combustion engine and motorcycle ", 39th volume the 6th phase, in December, 2010, double T ILLOTSON floatless diaphragm carburetor on the horizontally-opposed piston type gasoline engine of a kind of unmanned plane special two-stroke four cylinder is studied, wherein by setting up mechanical type fuel-saving machine (EIR) and altimetric compensation device (AC) to Carburetor, solve different capacity when exporting, power mixed gas and economic mixture gas area are in the demand of ground and airflight.In research, EIR switching pathway adopts throttle plate pin revolute formula, opens in 80% peak output; EIR oil circuit divides two-way, a road uniform section, and a route AC controls variable cross section; AC adopts elastic element structure, and its structure and parameter has carried out comprehensive consideration.But wherein said Carburetor is still conventional atomization carburetor.

How to eliminate and alleviate this pollution, a kind of current feasible method is " oil to gas ", that is, when driving automobile, gasoline is made to become gas to burn from the gasoline energy such as exhaust heat become by automobile self that directly burns, like this, have following some advantages: burning-point is low, toggle speed is than directly so oil is fast; Explosive force is large, sufficient combustion; Burning completely, does not produce smog and micro-carbon; Can save oil plant about 10%, smog and micro-carbon granule are estimated to reduce more than 60%.

But existing technology needs to use special gasification room and air guide pipeline usually, cause whole engine system to become comparatively complicated, this makes in fact described gasification system be difficult to be applied in the existing automobile engine system of design typification and maturation.Therefore related domain need badly a kind of when the existing motor car engine layout of not obvious change by Fuel Petroleum gasify apparatus and method.

Model utility content

For solving the above-mentioned problems in the prior art, the utility model claimant, through further investigation, proposes following technological scheme:

On the one hand, the utility model provides a kind of gasoline carburettor, it is characterized in that this gasoline carburettor comprises: transport pipe, oil transportation arm, outlet pipe, electric furnace heating wire, isolation layer, electric wire and storage battery; Wherein, the entrance of transport pipe is connected with the oil transportation mouth of oil transfer pump, and the outlet of transport pipe is connected with the inlet opening of Carburetor; The identical sidewall in front end of transport pipe offers two through holes, the two ends of oil transportation arm are welded on described two through holes respectively, described oil transportation arm and described transport pipe form square shape, and automobile exhaust pipe through described hollow, and is close to described transport pipe and oil transportation arm; Storage battery, switch and electric furnace heating wire form loop by electric wire, and described electric wire is wound around isolation layer outward, and described electric furnace heating wire is wound around described transport pipe.

" front end " of transport pipe has the conventional sense that those skilled in the art can recognize, typically refer to along the upstream of fuel flow direction at Carburetor or internal-combustion engine, as long as the fuel entering Carburetor or internal-combustion engine can be made to be gaseous state or part gaseous state, such as below oil transfer pump near the position of oil transfer pump.

Vaporizer of the present utility model can make the fuel evaporation of the major component from oil transfer pump, preferably makes the fuel evaporation of 60%, more preferably makes the fuel evaporation of 80%, most preferably makes whole fuel evaporation.Do not have vaporized gasoline can be atomized in Carburetor.Gasoline carburettor of the present utility model also may be used in LNG, CNG engine system.

In the technical solution of the utility model, do not need special gasification room, only need that simple setting is carried out to automobile exhaust pipe and make it pass transport pipe and oil transportation arm.This just has very high requirement to the heat exchange performance of transport pipe and oil transportation arm and high temperature strength, such as conventional fuel copper pipe is only used for the oil plant such as gasoline under conveying normal temperature, and in this application, copper pipe must tolerate the discharging waste gas temperature of more than 600 DEG C (for supercharged engine, reaching more than 800 DEG C).In the utility model, the material of transport pipe and oil transportation arm can be steel or copper, preferably copper.In order to meet be the heat transfer requirements made needed for fuel gasification, by the joint study with scientific research institutions, carried out tempering-deep cooling combined cycle process to the copper pipe for being processed into transport pipe and oil transportation arm, described tempering-deep cooling combined cycle process comprises following step successively:

Step (1): copper pipe is carried out temper; Step (2): copper pipe is carried out cryogenic treatment; Step (3): copper pipe is carried out temper again; With step (4): copper pipe is carried out cryogenic treatment again; Wherein:

The temper of step (1) is low-temperature tempering, and treatment temperature is 85 ~ 155 DEG C, and the processing time is 1 ~ 6h, preferably 2 ~ 4h; The cryogenic treatment temperature of step (2) is-30 DEG C ~-85 DEG C, and the processing time is 10min ~ 6h, preferred 30min ~ 1h; The temper of step (3) is high-temperature tempering, and treatment temperature is 500 ~ 700 DEG C, and the processing time is 1 ~ 6h, preferred 2-4h; The cryogenic treatment temperature of step (4) is-180 DEG C ~-230 DEG C, and the processing time is 10min ~ 5h, preferred 20min ~ 1h;

And wherein: after the cryogenic treatment of step (2), control copper pipe and rise again to room temperature, heating rate is 5 ~ 10 DEG C/min; After the cryogenic treatment of step (4), control copper pipe and rise again to room temperature, heating rate is 1 ~ 3 DEG C/min; And repeat above-mentioned steps (1) to (4) at least 2 circulations, the preferably circulation of more than 3.

In the above-mentioned methods, by first carrying out low-temperature tempering and low-temperature deep, carrying out high-temperature tempering and the such organic synergistic combination of lower temperature deep cooling again, effectively overcome materials microstructure may because the temperature difference is comparatively large deterioration may.Simultaneously, by test complicated in a large number, carefully, strict selection also controls low-temperature tempering, low-temperature deep, the temperature that high-temperature tempering and lower temperature deep cooling adopt, and rise again to the speed of room temperature after each cryogenic treatment, both effective, sufficiently reduce retained austenite, residual stress is made better to be eliminated thus improve dimensional stability, avoid being out of shape in thermal shock situation, separate out superfine carbide, hardness increases, but also due to organic synergy of low-temperature tempering and low-temperature deep and high-temperature tempering and lower temperature deep cooling and multiple circulation, effectively control Equations of The Second Kind residual stress and the 3rd class residual stress of copper pipe, avoid making the lax of residualinternal stress occurs in copper pipe, very big raising heat shock resistance also effectively prevent the defects such as macroscopic cracking.

Simultaneously, the utility model people also finds through large quantity research, must heating rate that carefully metalwork is risen again to room temperature after rate-determining steps (2) and step (4) cryogenic treatment in above-mentioned proper range, and metalwork is risen again to the heating rate of room temperature after the metalwork heating rate of rising again to room temperature is less than step (2) cryogenic treatment after rate-determining steps (4) cryogenic treatment, the good comprehensive of copper pipe thermal-shock resistance, impact toughness and intensity can be obtained only so and improve.After step (2) and step (4) cryogenic treatment, the metalwork heating rate of rising again to room temperature preferably linearly heats up form.

Described transport pipe and oil transportation arm are preferably made up of Cuprum alloy, this Cuprum alloy comprises: based on the total weight of this Cuprum alloy, the Mn of 1.5-2.5 quality %, the Fe of 1.5-2.5 quality %, the silicon of the Ni of 0.1-0.5 quality %, 0.2-0.4 quality %, the P of 0.01-0.15 quality %, wherein the mass ratio of Fe and P meets relation Fe/P=15-20, and surplus is Cu and inevitable impurity.

Wherein, adding of Fe can suppress alloy grain alligatoring in heating process, thus greatly puies forward heavy alloyed pyroconductivity.Adding of Mn can make alloy obtain good solution strengthening.Appropriate P adds the adverse effect adding alloy intensity that effectively can make up Fe.The utility model people, by further investigation, have been surprisingly found that the mass ratio of Fe and P must meet relation Fe/P=15-20, and what can realize between intensity and pyroconductivity is well balanced.

The transport pipe be made up of above-mentioned Cuprum alloy and oil transportation arm have excellent heat-conductive characteristic.In addition, in maintenance or while improving conventional copper pipe intensity, also there is the workability of raising.

The utility model people also find, due to compared with conventional engine system, after tube heat exchange is propped up in vehicle exhaust and transport pipe and oil transportation, temperature can reduce, such as, usually reduce by 200 DEG C or more.But, conventional exhaust gas treatment catalyst (such as three-way catalyst) is all design for the exhaust temperature of conventional exhaust system, the start-up temperature of such as catalyzer is usually all for high temperature design, in other words, conventional exhaust gas treatment catalyst is difficult to the vehicle exhaust that the temperature in effective catalytic elimination the utility model reduces.For this reason, the utility model people is through further investigation, provide a kind of vehicle maintenance service antigravity system for the utility model gasoline carburettor, this antigravity system can with gasoline carburettor of the present utility model with the use of, even if also good catalytic effect can be obtained when vehicle exhaust temperature reduces.

Described antigravity system comprises catalyst layer and honeycomb structured body; Wherein, described catalyst layer is by catalyst activity Metal Palladium and rhodium, and as the oxide of the lanthanoid metal of auxiliary agent, cobalt, nickel and barium, high-temperature inorganic oxide, is formed with the cerium-zirconium mixed oxide of spinel structure; Described high-temperature inorganic oxide is coated in the duct of honeycomb structured body with nonwoven fabric from filaments form, described cerium-zirconium mixed oxide is coated on high-temperature inorganic oxide layer with nonwoven fabric from filaments form, catalyst activity Metal Palladium and rhodium, as the equal load of oxides additive of the lanthanoid metal of auxiliary agent, cobalt, nickel and barium on cerium-zirconium mixed oxide layer.

Based on the volume (representing in L) of honeycomb structured body, the total content of palladium and rhodium is 0.1 ~ 8g/L, preferably 0.5 ~ 5g/L, and the mol ratio of palladium and rhodium is 1:3 ~ 3:1.If the total content of palladium and rhodium is less than 0.1g/L, then cannot obtain the abundant purifying property of CO, HC and NOx, if more than 8g/L, then catalytic performance no longer improves with content.The content of the oxide of lanthanum is 0.1 ~ 0.5g/L; The content of the oxide of cobalt is 0.1 ~ 0.2g/L; The content of the oxide of nickel is 0.2 ~ 0.6g/L; The content of the oxide of barium is 0.1 ~ 0.3g/L; The content of cerium-zirconium mixed oxide is 30 ~ 200g/L, preferably 50 ~ 100g/L; The content of high-temperature inorganic oxide is 50 ~ 300g/L, preferably 100 ~ 200g/L.

The utility model people surprisingly find, the specific surface area of cerium-zirconium mixed oxide must at 50 ~ 200m ²in the scope of/g, preferably 100 ~ 150m ²in the scope of/g, when specific surface area is less than 50m ²during/g, the low-temperature catalytic activity of catalyzer is not enough, and when specific surface area is greater than 200m ²during/g, thermostability is deteriorated.

Described honeycomb structured body is preferably cordierite body, more preferably wall-flow type cordierite body.Described high-temperature inorganic oxide is preferably alumina silica, titanium dioxide, considers, be more preferably alumina silica from cost angle.

Described catalyzer can be prepared according to the three-way catalyst preparation method of related domain routine, such as, brush, flood, the method such as coating carries out.

Preferably, in cerium-zirconium mixed oxide, cerium and zirconium are mole to meet CeO ₂/ (ZrO ₂+ CeO ₂the relation of)=1/3 ~ 1/6.The utility model people finds, when within the scope of this, the atom of catalytically-active metals can be made to be embedded in better in the lattice of cerium-zirconium mixed oxide.

Cerium-zirconium mixed oxide obtains by the following method: by the mixture heating and melting of cerium oxide and Zirconium oxide, and then carry out cooling and obtain blank, blank being ground to form specific surface area is 50 ~ 200m ²/ g, preferably 100 ~ 150m ²/ g, Mean particle diameter is the particle of 2 ~ 30 μm, namely obtains required cerium-zirconium mixed oxide.

The utility model additionally provides the method operating described gasoline carburettor, the method comprises: when automobile starting, turn on the power switch 4, the electric energy stored in storage battery 5 is by electric wire 6 hot plate silk 8, and then the transport pipe part that hot plate silk is wound around, when the temperature of the transport pipe part that electric furnace heating wire is wound around is more than 60 degree, fuel evaporation in the transport pipe part that electric furnace heating wire is wound around, after about 1 minute, open throttle igniting, gasoline is exported to Carburetor 9 by transport pipe 3 by oil transfer pump 1, car engine, tail gas is discharged by outlet pipe 2, high-temperature tail gas heats the transport pipe part be close to outlet pipe 2 by outlet pipe 2, when the transport pipe portion temperature be close to outlet pipe 2 is more than 60 degree, fuel evaporation in the transport pipe part be close to outlet pipe 2, gasoline after gasification is fully mixed with air by Carburetor, thus Thorough combustion.

In the utility model, by fuel evaporation after-combustion, completely, and gasoline burning-point after gasification is low in burning, and toggle speed is faster than the gasoline of burning atomization, and explosive force is large, and power is abundant.Owing to burning completely, produce smog and micro-carbon hardly, greatly reduce the insufficient pollution brought of burning; And, do not need to use special vaporizer, only need to transform a little existing engine system.Meanwhile, by the use of low temperature catalyst, the waste gas of discharge is made to obtain further purified treatment.The utility model gasoline carburettor and combinationally using of low temperature catalyst produce good concertedness, and harmful matter in motor exhaust is fully purified.

Accompanying drawing explanation

Fig. 1 is the schematic diagram according to gasoline carburettor of the present utility model.

Wherein, 1: oil transfer pump; 2: outlet pipe; 3: transport pipe; 4: switch; 5: storage battery; 6: electric wire; 7: isolation layer; 8: electric furnace heating wire; 9: Carburetor; 10: oil transportation arm

Embodiment

Below in conjunction with drawings and Examples, the utility model is further described.

Embodiment 1

A kind of gasoline carburettor, this gasoline carburettor comprises: transport pipe 3, oil transportation arm 10, outlet pipe 2, electric furnace heating wire 8, isolation layer 7, electric wire 6 and storage battery 5; Wherein, the entrance of transport pipe 3 is connected with the oil transportation mouth of oil transfer pump 1, and the outlet of transport pipe 3 is connected with the inlet opening of Carburetor 9; The identical sidewall in front end of transport pipe 3 offers two through holes, the two ends of oil transportation arm 10 are welded on described two through holes respectively, described oil transportation arm and described transport pipe form square shape, and automobile exhaust pipe 2 through described hollow, and is close to described transport pipe 3 and oil transportation arm 10; Storage battery 5, switch 4 and electric furnace heating wire 8 form loop by electric wire 6, and described electric wire 6 is outer is wound around isolation layer 7, and described electric furnace heating wire is wound around described transport pipe 3.

Embodiment 2

The Cuprum alloy manufacturing transport pipe and oil transportation arm described in embodiment 1 comprises: based on the total weight of this Cuprum alloy, the Mn of 2.0 quality %, the Fe of 2.5 quality %, the Ni of 0.3 quality %, the silicon of 0.3 quality %, the P of 0.01 quality %, surplus is Cu and inevitable impurity.Conveniently pipes processing method, obtaining diameter by this alloy is 5mm, and wall thickness is 0.5mm copper pipe, and according to the standard method of measurement in GB (GB), the thermal conductivity recording this copper pipe is 480W/m-DEG C, and tensile strength is 320MPa.

Comparative example 1

That use Jin Fengtong industry company to provide with conventional copper pipe that is embodiment 2 same size as reference, recording thermal conductivity according to the measurement standand identical with embodiment 2 is 398W/m-DEG C, and tensile strength is 241MPa.

The thermal conductivity of the copper pipe obviously can be made up of alloy of the present utility model of the above results exceeds about 25% than conventional copper pipe, and intensity exceeds about 33%, that is, be obviously better than conventional copper pipe.

Embodiment 3

By the Cuprum alloy of embodiment 2, conveniently pipes processing method makes the copper pipe for transport pipe and oil transportation arm, this copper pipe is handled as follows: (1) temper, (2) cryogenic treatment, step (3) temper again, with step (4) cryogenic treatment again, wherein the temper of step (1) is low-temperature tempering, treatment temperature is 100 DEG C, processing time is 4h, the cryogenic treatment temperature of step (2) is about-70 DEG C, processing time is 4h, the temper of step (3) is high-temperature tempering, treatment temperature is 600 DEG C, processing time is 4h, the cryogenic treatment temperature of step (4) is about-200 DEG C, processing time is 1h, after the cryogenic treatment of step (2), controlling copper pipe rises again to room temperature, heating rate is 8 DEG C/min, after the cryogenic treatment of step (4), controlling copper pipe rises again to room temperature, heating rate is 2 DEG C/min, repeat above-mentioned steps (1) to (4) totally 3 circulations.

Measure according to the measurement standand identical with embodiment 2, the thermal conductivity recording this copper pipe is 520W/m-DEG C, and tensile strength is 437MPa.Thermal conductivity and tensile strength are further enhanced, particularly tensile strength.

Embodiment 4

By the mixture heating and melting of cerium oxide and Zirconium oxide, then carry out cooling and obtain blank, use lapping machine blank to be ground to form specific surface area for 150m ²/ g, Mean particle diameter is the particle of 15 μm, obtains cerium-zirconium mixed oxide.Then on cerium-zirconium mixed oxide, conventional dipping-roasting method supported catalyst active metal palladium and rhodium is adopted, and the oxide of lanthanoid metal, cobalt, nickel and barium.Alumina silica slurries are coated on cordierite honeycomb bodies, after 150 DEG C of dryings, alumina silica layer is brushed and is impregnated with active metal palladium and rhodium and lanthanum, cobalt, the slurries of the cerium-zirconium mixed oxide of the oxide of nickel and barium, then carry out drying at 150 DEG C and carry out roasting at 550 DEG C, obtain waste gas treatment antigravity system, wherein with the stereometer of cordierite honeycomb bodies, the content of palladium is 0.2g/L, the total content of rhodium is 0.1g/L, the content of the oxide of lanthanum is 0.2g/L, the content of the oxide of cobalt is 0.2g/L, the content of the oxide of nickel is 0.3g/L, the content of the oxide of barium is 0.2g/L, the content of cerium-zirconium mixed oxide is 150g/L, the content of alumina silica is 200g/L.

Be used for by this antigravity system using in the automobile of gasoline carburettor of the present utility model, exhaust emissions meets emission request, such as, when being applied in Waukesha F11 GSID motor, can reach the emission request meeting Europe V standard.

The open the utility model of this written description use-case, comprises optimal mode, and also enables those skilled in the art manufacture and use the utility model.Of the present utility modelly the scope of granted patent can be defined by the claims, and other example that those skilled in the art expect can be comprised.If other example this has the structural element of the literal language not differing from claims, if or other example this comprises and the equivalent structure element of the literal language of claims without substantial differences, then other example this is intended to be within the scope of claims.Can not cause under inconsistent degree, be incorporated herein by reference to by all references part of reference herein.

Claims

1. an automobile gasoline vaporizer, this gasoline carburettor comprises: transport pipe (3), oil transportation arm (10), outlet pipe (2), electric furnace heating wire (8), isolation layer (7), electric wire (6) and storage battery (5); Wherein, the entrance of transport pipe (3) is connected with the oil transportation mouth of oil transfer pump (1), and the outlet of transport pipe (3) is connected with the inlet opening of Carburetor (9); The identical sidewall in front end of transport pipe (3) offers two through holes, the two ends of oil transportation arm (10) are welded on described two through holes respectively, described oil transportation arm and described transport pipe form square shape, automobile exhaust pipe (2) through described hollow, and is close to described transport pipe (3) and oil transportation arm (10); Storage battery (5), switch (4) and electric furnace heating wire (8) form loop by electric wire (6), described electric wire (6) is wound around isolation layer (7) outward, and described electric furnace heating wire is wound around described transport pipe (3).

2. automobile gasoline vaporizer according to claim 1, this vaporizer makes the fuel evaporation of the major component from oil transfer pump.

3., according to the automobile gasoline vaporizer of claim 1 or 2, the material of described transport pipe and oil transportation arm is copper.

4. automobile gasoline vaporizer according to claim 3, wherein said transport pipe and oil transportation arm are made up of Cuprum alloy.