CN103182309A - Method for improving engine fuel oil energy efficiency, and adopted catalytic material and catalytic device - Google Patents
Method for improving engine fuel oil energy efficiency, and adopted catalytic material and catalytic device Download PDFInfo
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- CN103182309A CN103182309A CN2011104539173A CN201110453917A CN103182309A CN 103182309 A CN103182309 A CN 103182309A CN 2011104539173 A CN2011104539173 A CN 2011104539173A CN 201110453917 A CN201110453917 A CN 201110453917A CN 103182309 A CN103182309 A CN 103182309A
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Abstract
The invention relates to a method for improving engine fuel oil energy efficiency, and adopted catalytic material and catalytic device. According to the invention, a rare earth permanent magnet material with surface magnetic induction intensity of 0.51-1.00T is placed in a catalytic device housing as a fuel oil catalytic material carrier and is placed on a fuel oil inlet pipeline of an engine cylinder, such that fuel oil is first subjected to normal-temperature catalysis in the catalytic device and is then delivered into the engine cylinder. The rare earth permanent magnet material comprises the elements of, by mass, 9-36% of praseodymium Pr, 3-6% of cerium Ce, 3-11% of dysprosium Dy, 0.6-1.3% of boron B, 45-84% of iron Fe, and balance of other elements. The rare earth permanent magnet material is prepared through the steps of smelting, pulverizing, molding, sintering, cooling, and magnetizing. The structures of the catalytic device comprises tight coupling type, magnetic closure clamped type, submerged type, and communication type. With the catalytic material and the catalytic device, fuel oil combustion characteristics are improved; the fuel oil can combust more sufficiently; harmful gas emission can be reduced; engine oil consumption is reduced; engine carbon deposition can be further cleared; and engine fuel oil energy efficiency can be improved.
Description
[technical field]
The present invention relates to the fuel for engine, air, or the preprocess method of fuel-air mixture and device, relate in particular to the device of handling usefulness by catalysis, electrical method, magnetic method, radiation, sound wave or other similar approach, particularly relate to the catalytic materials and operation or the installation that comprise rare earth element, its oxide or hydroxide, relate to method and general catalytic materials carrier as preparation one of catalytic materials, refer to method and used catalytic materials and the catalyst converter of raising engine fuel efficiency especially.
[background technology]
The prior art motor vehicle fuel contains bigger micel, and it can not thoroughly be burnt, cause to contain flammable pernicious gas in the tail gas, and mainly be carbon monoxide CO, oxynitrides NOx and hydrocarbon HC.Under the situation of current urban automobile quantity sustainable growth, these harmful components in the motor-vehicle tail-gas have become one of primary pollution source of urban air.These discharge of harmful gases are to improve the key of urban air-quality in the minimizing motor-vehicle tail-gas.The three-element catalytic method of prior art is the method that relatively effectively reduces the motor-vehicle tail-gas noxious gas emission at present.The ternary catalyzing unit that utilizes the three-element catalytic method to make is widely used on all types of motor vehicles.
So-called three-element catalytic just is to use platinum Pt, palladium Pd, three kinds of noble metals of rhodium Rh as catalytic materials, impels pernicious gases such as CO, HC that motor-vehicle tail-gas discharges and NOx to change harmless carbon dioxide, water, nitrogen and oxygen into by oxidation and reduction.Ternary catalyzing unit is installed on the rear end of engine exhaust port, to in engine, there not being burning waste gas totally to purify, its operation principle is: when the motor-vehicle tail-gas of high temperature passes through catalyst converter, platinum in the catalyst converter, palladium, three kinds of noble metals of rhodium can strengthen the activity of CO, HC and three kinds of gases of NOx, impel it to carry out certain OR chemical reaction, wherein CO at high temperature is oxidized into colourless, nontoxic carbon dioxide; The HC compound at high temperature is oxidized to water H
20 and carbon dioxide CO
2NOx is reduced into nitrogen and oxygen.Three kinds of pernicious gases become innocuous gas, and the discharge quality of motor-vehicle tail-gas is significantly improved.
Yet, the prior art ternary catalyzing unit is installed on waste gas and discharges cylinder position afterwards, it can only improve the discharge quality of motor exhaust, reduce pernicious gas to the pollution of environment, can not change the quality of motor vehicle fuel, also because three-element catalytic has hindered the smooth and easy of exhaust, reduced compression ratio, caused oil consumption to increase simultaneously, about 10 %s of its recruitment up to oil consumption before the described catalyst converter of installation.
Why ternary catalyzing unit can only be installed on after the cylinder, be at high temperature could be to the pernicious gas catalyzing activation because have only as its catalytic materials used three kinds of noble metal platinums, palladium, rhodium elements, the exhaust temperature of engine emission is between 400 ℃ to 800 ℃, platinum, palladium, rhodium are brought into play catalytic action in the different temperatures section of this temperature province respectively, and the catalytic action of three kinds of elements covers whole humidity province.But platinum, palladium, three kinds of precious metal elements of rhodium are very little to the fuel oil catalytic action at normal temperatures, are difficult to improve the combustion characteristics of fuel oil.
[summary of the invention]
The technical problem to be solved in the present invention is to avoid above-mentioned the deficiencies in the prior art part and a kind of combustion characteristics that can improve fuel oil is provided, makes it more completing combustion, has not only reduced discharge of harmful gases but also reduces engine consumption, and can arrange method and used catalytic materials and catalyst converter carbonizing of engine, that improve the engine fuel efficiency further clearly.
The present invention solve the technical problem one of technical scheme of employing: a kind of method that improves the engine fuel efficiency is provided, system is praseodymium Pr 9%～36% with component element mass percent, cerium Ce 3%～6%, dysprosium Dy 3%～11%, boron 0.6%～1.3% and iron Fe 45%～84%, surplus is other elements, surface induction intensity is 0.51～1.00 T(tesla), that is 5,100～10, the rare-earth permanent magnet material of 000 Gs (Gauss) is put into the catalyst converter housing as fuel oil catalytic materials carrier, be installed on the fuel oil in-line of cylinder, make fuel oil earlier through the catalysis of catalyst converter, enter cylinder again.
Described catalyst converter is installed on the fuel oil in-line of cylinder, comprises around the in-line outer surface installing or being positioned over fuel tank internal, comprises that also a section as oil inlet pipe is serially connected with in the in-line.
The present invention is based on the three-element catalytic principle, utilize extraordinary rare earth element can change some substance reaction at normal temperatures
StructureThe build-in attribute of characteristic uses the permanent magnet material of extraordinary rare earth element making as catalytic materials, and the catalysis fuel oil makes its refinement.Fuel molecule after the refinement can fully contact with oxygen molecule, fully burning, catalysis can be carried out catalysis to fuel oil under the delivery effect of the magnetic line of force, by the fuel molecule valence band electronics generation band-to-band transition of catalysis, the conduction band electron stream that is enhanced, make fuel molecule become more active, further improved the burning quality of fuel oil, not only can strengthen the power of engine, also make pernicious gas CO, HC, NOx content in the tail gas significantly reduce, reach the purpose of oil-saving discharging-reducing simultaneously.Rare earth material is to rely on physical method to change the micel characteristic of fuel oil, itself does not decompose in the use, does not consume, long service life.In addition, the catalysis energy that carries through the fuel molecule of fuel oil catalyst catalysis of the present invention is penetrated into because there not being completing combustion to produce in the carbon distribution of jelly, impel the carbon deposit latent burning discharge again in the combustion chamber, the burning condition that improves makes the combustion chamber no longer produce carbon deposit, has effectively prolonged the service life of engine.
Compare with prior art, the invention has the beneficial effects as follows: can improve fuel oil combustion characteristics, make it more completing combustion, not only reduced noxious gas emission but also reduce engine consumption, and can arrange carbonizing of engine clearly, prolong the service life of engine.
Further, the present invention also provides a kind of manufacture method of fuel oil catalytic materials carrier material, comprises the steps:
One, press the mass percent of following element: praseodymium Pr 9%～36%, cerium Ce 3%～6%, dysprosium Dy 3%～11%, boron 0.6%～1.3% and iron Fe 45%～84%, surplus are other elements, produce the rare-earth permanent magnet alloy material;
Two, the alloy material of gained is made the powder that particle diameter is 3～5 μ m;
Three, with this stamping of powder moulding;
Four, the section bar with gained is closing on the sintering temperature of its fusing point;
Five, the section bar behind the sintering is cooled to room temperature, and is processed into the rare-earth permanent magnet finished product of required size and dimension;
Six, gained rare-earth permanent magnet finished product is magnetized, make its surface induction intensity reach 0.51～1.00 T;
Last gained rare-earth permanent magnet alloy finished product is fuel oil catalytic materials carrier material.
The fuel oil catalytic materials carrier material of gained can further be done electroplating surface and handle, to improve its corrosion resistance.
Improve the concrete enforcement of engine fuel efficiency method as the present invention, the present invention also provides a kind of catalyst converter that improves the engine fuel efficiency, comprise the rare-earth permanent magnet that housing and Qi Nei are ccontaining, contain by mass percentage in the component of described rare-earth permanent magnet: praseodymium Pr 9%～36%, cerium Ce 3%～6%, dysprosium Dy 3%～11%, boron 0.6%～1.3% and iron Fe 45%～84%, surplus are other elements, and surface induction intensity is 0.51～1.00 T.
The outer surface of described rare-earth permanent magnet can have overcoat, and described overcoat can be electrodeposited coating.
Described housing is made with fluorocarbon polymer, has characteristic and the forceful electric power magnetic characteristic of high abrasion, high temperature resistant, strong corrosion resistant.
Described housing also can be made of ferromagnetic material, ferromagnetic material can with the rare-earth permanent magnet formation closed magnetic path of combining closely, thereby make a large amount of magnetic lines of force pass the effect that fuel oil reaches strong catalysis fuel oil.
Described housing can be a monomer or the housing that become one by a plurality of set of monomers.
It can be airtight that described housing is packed into behind the catalytic materials carrier.
[description of drawings]
Fig. 1 is that the present invention improves catalyst converter preferred embodiment one face shaping of engine fuel efficiency and the orthographic projection schematic diagram of structure;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the A-A cutaway view of Fig. 1 embodiment one upper and lower casing 111 and 112;
Fig. 4 is the axonometric projection schematic diagram of Fig. 1, the embodiment of the invention shown in Figure 2;
Fig. 5 is embodiment illustrated in fig. 4 one decomposing state axonometric projection schematic diagram;
Fig. 6 is the scheme of installation of the embodiment of the invention one efficiency catalyst converter on small displacement engine fuel pipe oil inlet pipe;
Fig. 7 is the preferred embodiment of the present invention two integrally-built orthographic projection cross-sectional schematic;
Fig. 8 is a main cross-sectional schematic of looking of monomer 211 orthographic projections of the housing 210 of the embodiment of the invention two shown in Figure 7;
Fig. 9 is the vertical view that the monomer 211 of described embodiment two housings 210 has been installed magnetic shield 213;
Figure 10 is the vertical view cutaway drawing that the monomer 211 of described embodiment two housings 210 has been installed magnetic shield 213;
The scheme of installation that Figure 11 is the embodiment of the invention two efficiency catalyst converters on large-duty engine fuel pipe oil inlet pipe slightly;
Figure 12 is the decomposing state axonometric projection schematic diagram of the embodiment three of the present invention's catalyst converter of improving the engine fuel efficiency;
Figure 13 is the profile of the invention process three;
Figure 14 is the profile that the present invention improves the catalyst converter enforcement four of engine fuel efficiency;
Among above-mentioned each figure, Fig. 1～Fig. 6: 110 is that housing, 111 is that lower house, 112 is that upper shell, 1111 is that tongue piece, 1121 is that groove, 120 is that rare-earth permanent magnet, 130 is that garter spring, 140 is that end cap, 150 is that through hole, 160 is oil pipe;
Fig. 7～Figure 11: 210 is that housing, 211 is that left monomer, 212 is that right monomer, 214 is that magnetic shield chute, 215 is that cavity, 216 is that magnetic shield holddown groove, 217 is that groove, 220 is that rare-earth permanent magnet, 250 is that through hole, 260 is that oil pipe, 223,224 is that magnetic shield, 271 and 272 is that magnetic shield is located barb.
Figure 12～Figure 13,310 is that housing, 314 is that end cap, 315 is that cavity, 318 is that rope hole, 320 is that rare-earth permanent magnet, 330 is every post.
Figure 14: 410 is that housing, 413 is that tube connector, 420 is that rare-earth permanent magnet, 419 is that supporter, 491 is the fuel gallery.
[specific embodiment]
As an a kind of embodiment of fuel oil catalytic materials carrier material manufacture method, described each step further concrete refinement is as follows:
One, the mass percent by following element disposes alloy raw material: praseodymium Pr9%～36%, cerium Ce3%～6%, dysprosium Dy 3%～11%, iron Fe 45%～84%, boron 0.6%～1.3%, aluminium Al 0.2%～0.8%, silicon Si 0.06%～0.20%, adopt powder metallurgical technique, put into vaccum sensitive stove or electric arc furnaces, melting under argon shield, the rare-earth permanent magnet alloy material is produced in the water jacketed copper crucible casting;
Two, the alloy material of gained being ground to particle diameter in toluene or dimethylbenzene medium is 3～5 μ m, vacuum drying powdered then;
Three, with this powder magnetic induction intensity 1.6～2.0 T perpendicular to the pressure of alignment magnetic field under compression molding;
Four, with the section bar of gained sintering 50～70 minutes in 1,100 ℃～1,120 ℃ argon gas atmosphere;
Five, the section bar behind the sintering cools off then 1,000 ℃ of insulation 50～70 minutes, and 100 ℃ of insulations of every reduction by 50～70 minutes are quickly cooled to room temperature, and are processed into the rare-earth permanent magnet finished product of required size and dimension in the time of 600 ℃;
Six, gained rare-earth permanent magnet finished product is magnetized in magnet charger, make its surface induction intensity reach 0.51～1.00 T;
The rare-earth permanent magnet alloy of last gained is fuel oil catalytic materials carrier material.
In an embodiment of the present invention, the fuel oil catalytic materials carrier material of gained is further done the electroplating surface corrosion protection handles, also comprise step:
Seven, the rare-earth permanent magnet alloy of gained is done nickel-copper-three layers of electroplating processes of nickel, each thickness of coating is 5～8 μ m.
Second embodiment as a kind of fuel oil catalytic materials carrier material manufacture method, its concrete operations are: be to adopt the rare-earth iron-boron (R-Fe-B) that contains praseodymium neodymium PrNd in the described first step, add rare earth cerium Ce and dysprosium Dy, magnet generation requirement is routinely made the rare-earth permanent magnet alloy material with the manufacture method of powder metallurgy.
Referring to each accompanying drawing, the present invention improves the catalyst converter of engine fuel efficiency, comprise housing 110,210,310 or 410 with and the rare-earth permanent magnet 120,220,320 or 420 put of content, contain by mass percentage in described rare-earth permanent magnet 120,220,320 or 420 the component: praseodymium Pr 9%～36%, cerium Ce 3%～6%, dysprosium Dy 3%～11%, boron 0.6%～1.3% and iron Fe 45%～84%, surplus are other elements, and surface induction intensity is 0.51～1.00 T.
Described rare-earth permanent magnet 120,220,320 or 420 outer surface have overcoat, and described overcoat is electrodeposited coating.Adopt nickel-copper-three layers of plating of nickel, each thickness of coating is 5～8 μ m.
Described housing 120,220,320 or 420 comprise polyvinylidene fluoride (PVDF) and ethylene-tetrafluoroethylene copolymer (ETFE), or ferromagnetic material is made by fluorocarbon polymer.
Because motor vehicle is of a great variety, single a kind of catalyst converter structure can not be suitable for all vehicles, therefore, the invention provides banding formula, magnetic closure clamp compact form, submersible and four kinds of concrete forms of implementation of concatenation type (preferred embodiment one to four), the scope of application contains all vehicles, can give full play to the catalysis of rare-earth permanent magnet material.
Referring to Fig. 1～Fig. 6, improve among the catalyst converter embodiment one of engine fuel efficiency in the present invention, described housing 110 comprises lower house 111 and 112 liang of monomers of upper shell, this two monomer 111,112 is bound up by retaining mechanism, and stage casing formation through hole 150 confession calibers are that the oil inlet pipe of 8.5 millimeters small displacement engine oil circuits passes through; Described retaining mechanism comprises tongue piece 1111 on garter spring 130, the lower house and the groove 1121 on the upper shell, garter spring 130 with tongue piece 1111 bandings on the lower house in the groove 1121 of upper shell, make lower house 111 and upper shell 112 strong bonded, form complete catalyst converter.
In the present embodiment, just be pressed in the groove 1121 of upper shell 112 before garter spring 130 is uncolled in process of production, in groove, can move freely but can not shift out.Garter spring 130 is moved on to upper shell 112 upper ends, the tongue piece 1111 on the lower house 111 is inserted between garter spring 130 and the groove 1121, again garter spring is pushed to the direction at middle part, firmly last lower house is tightly locked together a little, form complete catalyst converter.
Last lower house with catalyst converter during use is clamped on the oil pipe 160.
Referring to Fig. 7～Figure 11, improve among the embodiment two of catalyst converter of engine fuel efficiency in the present invention, described housing 210 comprises identical left monomer 211 and the right monomer 212 of two structures, all there is horizontal groove 217 at each monomer 211,212 two ends up and down, described two monomers 211,212 are bound up by retaining mechanism, the middle part forms through hole 250, and supplying slightly, large-duty engine comprises that the oil inlet pipe of Diesel engine force (forcing) pump low-pressure end oil circuit below 13 millimeters passes through; Described retaining mechanism is the identical magnetic shield of two structures 213,214, this magnetic shield 213 respectively, the 214th, have a long limit and a minor face, approximate horizontal Greek alphabet η shape, with the suitable thin slice shape structure of groove 217, its material is mild steel or pure iron, its minor face injects the groove 217 of one of described housing 210 monomer 211 or 212 1 ends, the groove 217 that this same monomer other end is then passed through on long limit injects in the groove 217 of another monomer, two magnetic shields 213,214 upper-lower interactives are inserted mutually, and by barb 271 following on it, 272 hooks are on the limit of two monomers 211 or 212, make two monomers 211 of housing 210, complete catalyst converter is formed in 212 tensions mutually.
During use catalyst converter by about two housing monomers lock onto on the oil pipe 260.
In the present embodiment, in the monomer 211 of described housing 210,212 groove 217, be provided with magnetic shield chute 214 and holddown groove 216, can make things convenient for magnetic shield passing and fixing.
Present embodiment utilizes the magnetic screen principle that the part of the crooked decay of the magnetic line of force is turned back again, compensates back because the energy attenuation that the caliber overstriking causes.Be applicable to larger-diameter oil pipe.
Referring to Figure 12, Figure 13, improve among the embodiment three of catalyst converter of engine fuel efficiency in the present invention, described housing 310 is that the egg type structure, the both ends or one end that have fin have end cap 314, middle part that column cavity 315 is arranged, be placed with the rare-earth permanent magnet 320 of two pieces of opposite polarity directions in the cavity 315, between these two pieces of rare-earth permanent magnets 320, use every post 380 and be separated by.
The catalyst converter of present embodiment three is suitable for directly being put in the fuel tank.The egg type shell structure that has fin can force magnetic pole away from the metal cabinet of heavy wall, and fuel oil can contact the magnetic line of force again in a large number by a large amount of catalysis simultaneously.Make the fuel oil near the intensive place of the magnetic line of force of rare-earth permanent magnet 320 magnetic poles obtain abundant catalysis, can avoid the magnetic line of force to be attracted by metal cabinet and be attracted to that the fuel tank somewhere can not be moved and the catalysis that influences FCL oil.
In present embodiment three, at housing 310 rope hole 318 is arranged, by rope hole 318 the catalyst converter bolt is fixed in a certain position of fuel tank with corrosion-resistant cotton rope or wire rope during use.
Present embodiment is put in and makes fuel oil in the fuel tank no matter whether all be in by catalysis using, and is very suitable for the use of big discharge capacity fuel engines.
Referring to Figure 14, improve among the embodiment four of catalyst converter of engine fuel efficiency in the present invention, housing 410 two ends respectively are extended with tube connector 413, between the rare-earth permanent magnet 420 of two opposite polarity directions fuel gallery 490 are arranged in the housing, and fuel gallery 490 is communicated with two tube connectors 413.
In the present embodiment, in housing 410 and 420 of rare-earth permanent magnets supporter 419 is arranged, be used for supporting two rare-earth permanent magnets 420 and housings 410 and forming fuel gallery 491.
Described supporter 419 is used fluorocarbon polymer, comprises the manufacturings of polyvinylidene fluoride (PVDF) and ethylene-tetrafluoroethylene copolymer (ETFE) or Other Engineering plastics.This material has high-resistance wear-resistant, highly corrosion resistant, media-resistant, high temperature resistant and tool good electrical magnetic characteristic.Its good electromagnetic property is guaranteed the importing of catalysis energy, guarantees that simultaneously it is indeformable in fuel oil soaks for a long time, does not come off.Steady in a long-term, reliably working.
In the present embodiment, described housing 410 usefulness mild steel or pure iron are made, and itself and rare-earth permanent magnet 420 are combined closely and formed a closed magnetic path, thereby make a large amount of magnetic lines of force pass the effect that fuel oil reaches a large amount of catalysis fuel oils.
During use, its one section petroleum pipeline as fuel engines is concatenated in the engine system in-line.
Claims (9)
1. method that improves the engine fuel efficiency, system is that praseodymium Pr 9%～36%, cerium Ce 3%～6%, dysprosium Dy 3%～11%, boron 0.6%～1.3% and iron Fe 45%～84%, surplus are the rare-earth permanent magnet of other elements with component element mass percent, surface induction intensity is 0.51～1.00 T, put into the catalyst converter housing as fuel oil catalytic materials carrier, be installed on the fuel oil in-line of cylinder, make fuel oil earlier through catalyst converter catalysis at normal temperatures, enter cylinder again.
2. the manufacture method of a fuel oil catalytic materials carrier material comprises the steps:
One, press the mass percent of following element: praseodymium Pr 9%～36%, cerium Ce 3%～6%, dysprosium Dy 3%～11%, boron 0.6%～1.3% and iron Fe 45%～84%, surplus are other elements, produce the rare-earth permanent magnet alloy material;
Two, the alloy material of gained is made the powder that particle diameter is 3～5 μ m;
Three, with this stamping of powder moulding;
Four, the section bar with gained is closing on the sintering temperature of its fusing point;
Five, the section bar behind the sintering is cooled to room temperature, and is processed into the rare-earth permanent magnet finished product of required size and dimension;
Six, gained rare-earth permanent magnet finished product is magnetized, make its surface induction intensity reach 0.51～1.00 T;
Last gained rare-earth permanent magnet alloy is fuel oil catalytic materials carrier material.
3. the manufacture method of fuel oil catalytic materials carrier material according to claim 2, described each step can further specifically be refined as:
One, the mass percent by following element disposes alloy raw material: praseodymium Pr9%～36%, cerium Ce3%～6%, dysprosium Dy 3%～11%, iron Fe 45%～84%, boron 0.6%～1.3%, aluminium Al 0.2%～0.8%, silicon Si 0.06%～0.20%, adopt powder metallurgical technique, put into vaccum sensitive stove or electric arc furnaces, melting under argon shield, the rare-earth permanent magnet alloy material is produced in the water jacketed copper crucible casting;
Two, the alloy material of gained being ground to particle diameter in toluene or dimethylbenzene medium is 3～5 μ m, vacuum drying powdered then;
Three, with this powder magnetic induction intensity 1.6～2.0 T perpendicular to the pressure of alignment magnetic field under compression molding, and be processed into the rare-earth permanent magnet finished product of required size and dimension;
Four, with gained rare-earth permanent magnet finished product sintering 50～70 minutes in 1,100 ℃～1,120 ℃ argon gas atmosphere;
Five, the section bar behind the sintering cools off then 1,000 ℃ of insulation 50～70 minutes, and 100 ℃ of insulations of every reduction by 50～70 minutes are quickly cooled to room temperature, and are processed into the rare-earth permanent magnet finished product into required size and dimension in the time of 600 ℃;
Six, the gained section bar is magnetized in magnet charger, make its surface induction intensity reach 0.51～1.00 T;
The rare-earth permanent magnet alloy of last gained is fuel oil catalytic materials carrier material.
4. according to the manufacture method of claim 2 or 3 described a kind of fuel oil catalytic materials carrier materials, it is characterized in that also comprising step:
Seven, the rare-earth permanent magnet alloy of gained is done nickel-copper-three layers of electroplating processes of nickel, each thickness of coating is 5～8 μ m.
5. catalyst converter that improves the engine fuel efficiency, comprise housing (110,210,310 or 410) and ccontaining rare-earth permanent magnet (120,220,320 or 420) in it, contain by mass percentage in the component of described rare-earth permanent magnet (120,220,320 or 420): praseodymium Pr 9%～36%, cerium Ce 3%～6%, dysprosium Dy 3%～11%, boron 0.6%～1.3% and iron Fe 45%～84%, surplus are other elements, and surface induction intensity is 0.51～1.00 T.
6. the catalyst converter of raising engine fuel efficiency according to claim 5, it is characterized in that: described housing (110) comprises lower house (111) and upper shell (112) two monomers, this two monomer (111,112) is bound up by retaining mechanism, the stage casing forms through hole (150), supplies the oil inlet pipe of small displacement engine oil circuit to pass through; Described retaining mechanism comprises tongue piece (1111) on garter spring (130), the lower house and the groove (1121) on the upper shell, garter spring (130) with the tongue piece on the lower house (1111) banding in the groove (1121) of upper shell, make lower house (111) and upper shell (112) strong bonded, form complete catalyst converter.
7. the catalyst converter of raising engine fuel efficiency according to claim 5, it is characterized in that: described housing (210) comprises identical left monomer (211) and the right monomer (212) of two structures, all there is horizontal groove (217) at the two ends up and down of each monomer (211,212), described two monomers (211,212) are bound up by retaining mechanism, the middle part forms through hole (250), and supplying slightly, the oil inlet pipe of large-duty engine oil circuit passes through; Described retaining mechanism is the identical magnetic shield of two structures (213,214), this magnetic shield (213 respectively, 214) have long limit and a minor face, approximate horizontal Greek alphabet η shape, with the suitable thin slice shape structure of groove (217), its minor face injects the groove (217) of one of described housing (210) monomer (211 or a 212) end, grow and continue again to inject in the groove (217) of another monomer after the groove (217) of this same monomer other end is then passed through on the limit, two magnetic shields (213,214) upper-lower interactive is inserted mutually, and by barb (271 following on it, 272) hook is on the limit of two monomers (211 or 212), make two monomers (211 of housing (210), 212) complete catalyst converter is formed in tension mutually.
8. the catalyst converter of raising engine fuel efficiency according to claim 5, it is characterized in that: described housing (310) is that the egg type structure, the end that have fin have lid (314), middle part that column cavity (315) is arranged, be placed with the rare-earth permanent magnet (320) of two pieces of opposite polarity directions in the cavity (315), between these two pieces of rare-earth permanent magnets (320), use every post (380) and be separated by.
9. the catalyst converter of raising engine fuel efficiency according to claim 5, it is characterized in that: housing (410) two ends respectively are extended with tube connector (413), between the rare-earth permanent magnet (420) of two opposite polarity directions fuel gallery (490) is arranged in the housing, fuel gallery (490) are communicated with two tube connectors (413).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356174A (en) * | 2016-10-19 | 2017-01-25 | 上海竞腾科技有限公司 | Rare earth strong magnetic material, as well as preparation method and application thereof |
| CN110159460A (en) * | 2019-06-25 | 2019-08-23 | 王隆曦 | A kind of preparation method of engine fuel optimizer and optimizer rare-earth magnet |
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