CN111979452A - Automobile fuel economizer and method thereof - Google Patents
Automobile fuel economizer and method thereof Download PDFInfo
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- CN111979452A CN111979452A CN201910424485.XA CN201910424485A CN111979452A CN 111979452 A CN111979452 A CN 111979452A CN 201910424485 A CN201910424485 A CN 201910424485A CN 111979452 A CN111979452 A CN 111979452A
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- casting
- smelting
- fuel economizer
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- smelting furnace
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- 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
- F02M27/00—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like
- F02M27/04—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like by electric means, ionisation, polarisation or magnetism
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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
Abstract
The invention discloses an automobile fuel economizer and a method thereof, wherein the automobile fuel economizer comprises the following components in percentage by mass: 2.5-4.0% of Eu, 5.0-8.5% of Tb, 10.0-12.5% of Nd, 4.5-6.0% of Yb, 0.52-0.78% of Lu, 2.5-4.5% of Fe, 10.5-13.5% of Si, 2.8-5.6 of Cr, 1.8-4.0% of Ru and the balance of AL, wherein the fuel economizer comprises the following components in percentage by mass: 3.0% of Eu, 6.5% of Tb, 11% of Nd, 5.0% of Yb, 0.6% of Lu, 4.0% of Fe, 12.0% of Si, 5.0% of Cr, 3.6% of Ru and the balance of AL, wherein the components of the fuel economizer also comprise 4.5-6.0% of Tm and 2.8-4.8% of Sr. The automobile fuel economizer manufactured by the invention can continuously generate nuclear magnetic resonance on gasoline, so that the combustion is more sufficient, the fuel saving rate of a trolley is 15-30% and the fuel saving rate of a truck is 15-25% according to the automobile condition, road condition and type, the power is obviously improved, the idling is obviously stable, the combustion is more complete, and the emission of carbon monoxide and hydrocarbon in tail gas is reduced, thereby achieving the effects of energy conservation and environmental protection.
Description
Technical Field
The invention relates to the technical field of fuel economizer, in particular to an automobile fuel economizer and a method thereof.
Background
The fuel oil fully combusted by the automobile discharges carbon dioxide and water, the fuel oil is not completely combusted to generate carbon monoxide and carbon deposit, and the fuel oil is not combusted and directly discharged to generate hydrocarbon. At this time, fuel is wasted and air is polluted, and the quantity of supplied air is increased and the fuel ration is reduced, so that the heat generated by the combustion chamber is reduced, the temperature of the cylinder wall is reduced, and the generation of nitrogen oxide is reduced correspondingly.
In summary, the problems of energy waste and environmental pollution caused by insufficient fuel combustion of the existing automobile engine are solved, and therefore an automobile fuel economizer and a method thereof are provided.
Disclosure of Invention
The invention aims to provide an automobile fuel economizer and a method thereof, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an automobile fuel economizer comprises the following components in percentage by mass: 2.5-4.0% of Eu, 5.0-8.5% of Tb, 10.0-12.5% of Nd, 4.5-6.0% of Yb, 0.52-0.78% of Lu, 2.5-4.5% of Fe, 10.5-13.5% of Si, 2.8-5.6% of Cr, 1.8-4.0% of Ru and the balance of AL.
Preferably, the fuel economizer comprises the following components in percentage by mass: 3.0% Eu, 6.5% Tb, 11% Nd, 5.0% Yb, 0.6% Lu, 4.0% Fe, 12.0% Si, 5.0% Cr, 3.6% Ru, and the balance of AL.
Preferably, the composition of the fuel economizer further comprises 4.5-6.0% of Tm and 2.8-4.8% of Sr.
A manufacturing method of an automobile fuel economizer comprises the following steps:
s1, primary smelting: adding the raw materials into a smelting furnace according to the mass percentage, and heating and melting the raw materials;
s2, primary casting: casting the molten mass heated and melted to form a cast body;
s3, secondary smelting: adding the casting body into a smelting furnace for secondary smelting to obtain a secondary molten body;
s4, secondary casting: carrying out secondary casting on the molten mass obtained by secondary smelting to form a secondary casting body;
s5, smelting for the third time: adding the secondary casting body into a smelting furnace for carrying out tertiary smelting to obtain a tertiary molten body;
s6, casting for three times: and adding the casting body into a smelting furnace for smelting for three times to obtain a finished product of the fuel economizer.
Preferably, the raw materials and the casting body are continuously stirred in the process of adding into a smelting furnace, and electromagnetic stirring and casting are adopted during the casting of the molten mass.
Preferably, in the melting process of the step S1, vacuum pumping is performed to 8.0pa, argon is used for protection, heating is performed to 1250 ℃, and heat preservation is performed for 3 hours.
Preferably, in the melting process of the step S3, vacuum pumping is performed to 15.5pa, argon gas protection is adopted, the temperature is increased to 1550 ℃, and heat preservation is performed for 2 hours.
Preferably, in the melting process of step S5, vacuum pumping is performed to 17.2pa, argon gas is used for protection, the temperature is raised to 2000 ℃, and the temperature is maintained for 20 min.
Preferably, the primary casting, the secondary casting and the third casting are cast after the temperature is reduced to 400 ℃ in the casting process.
Compared with the prior art, the invention has the beneficial effects that: the automobile fuel economizer manufactured by the invention can continuously generate nuclear magnetic resonance on gasoline, so that the combustion is more sufficient, the fuel saving rate of a trolley is 15-30% and the fuel saving rate of a truck is 15-25% according to the automobile condition, road condition and type, the power is obviously improved, the idling is obviously stable, the combustion is more complete, and the emission of carbon monoxide and hydrocarbon in tail gas is reduced, thereby achieving the effects of energy conservation and environmental protection.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that:
An automobile fuel economizer comprises the following components in percentage by mass: 2.5-4.0% of Eu, 5.0-8.5% of Tb, 10.0-12.5% of Nd, 4.5-6.0% of Yb, 0.52-0.78% of Lu, 2.5-4.5% of Fe, 10.5-13.5% of Si, 2.8-5.6% of Cr, 1.8-4.0% of Ru and the balance of AL.
A manufacturing method of an automobile fuel economizer comprises the following steps:
s1, primary smelting: adding the raw materials into a smelting furnace according to the mass percentage, and heating and melting the raw materials;
s2, primary casting: casting the molten mass heated and melted to form a cast body;
s3, secondary smelting: adding the casting body into a smelting furnace for secondary smelting to obtain a secondary molten body;
s4, secondary casting: carrying out secondary casting on the molten mass obtained by secondary smelting to form a secondary casting body;
s5, smelting for the third time: adding the secondary casting body into a smelting furnace for carrying out tertiary smelting to obtain a tertiary molten body;
s6, casting for three times: and adding the casting body into a smelting furnace for smelting for three times to obtain a finished product of the fuel economizer.
The first embodiment is as follows:
an automobile fuel economizer comprises the following components in percentage by mass: 3.0% Eu, 6.5% Tb, 11% Nd, 5.0% Yb, 0.6% Lu, 4.0% Fe, 12.0% Si, 5.0% Cr, 3.6% Ru, and the balance of AL.
A manufacturing method of an automobile fuel economizer comprises the following steps:
s1, primary smelting: adding the raw materials into a smelting furnace according to the mass percentage, and heating and melting the raw materials;
s2, primary casting: casting the molten mass heated and melted to form a cast body;
s3, secondary smelting: adding the casting body into a smelting furnace for secondary smelting to obtain a secondary molten body;
s4, secondary casting: carrying out secondary casting on the molten mass obtained by secondary smelting to form a secondary casting body;
s5, smelting for the third time: adding the secondary casting body into a smelting furnace for carrying out tertiary smelting to obtain a tertiary molten body;
s6, casting for three times: and adding the casting body into a smelting furnace for smelting for three times to obtain a finished product of the fuel economizer.
The automobile fuel economizer manufactured by the technical scheme can continuously generate nuclear magnetic resonance on gasoline, so that the gasoline can be combusted more fully, the fuel saving rate of a trolley is 15-30% and the fuel saving rate of a truck is 15-25% according to the automobile condition, the road condition and the type of the automobile, the power is obviously improved, the idling speed is obviously stable, the combustion is more complete, the emission of carbon monoxide and hydrocarbon in tail gas is reduced, and the effects of energy conservation and environmental protection are achieved.
Example two:
an automobile fuel economizer comprises the following components in percentage by mass: 2.5% of Eu, 5.0% of Tb, 10.0% of Nd, 4.5% of Yb, 0.52% of Lu, 2.5% of Fe, 10.5% of Si, 2.8% of Cr and 1.8% of Ru, and the components of the fuel economizer also comprise 4.5% of Tm, 2.8% of Sr and the balance of AL.
A manufacturing method of an automobile fuel economizer comprises the following steps:
s1, primary smelting: adding the raw materials into a smelting furnace according to the mass percentage, heating and melting, vacuumizing to 8.0pa in the melting process, heating to 1250 ℃ under the protection of argon, and preserving heat for 3 hours;
s2, primary casting: casting the molten mass heated and melted to form a cast body;
s3, secondary smelting: adding the casting body into a smelting furnace for secondary smelting to obtain a secondary molten body, vacuumizing to 15.5pa in the smelting process, adopting argon protection, heating to 1550 ℃, and preserving heat for 2 hours;
s4, secondary casting: carrying out secondary casting on the molten mass obtained by secondary smelting to form a secondary casting body;
s5, smelting for the third time: adding the secondary casting body into a smelting furnace for carrying out tertiary smelting to obtain a tertiary molten body, vacuumizing to 17.2pa in the smelting process, adopting argon protection, heating to 2000 ℃, and keeping the temperature for 20 min;
s6, casting for three times: and adding the casting body into a smelting furnace for smelting for three times to obtain a finished product of the fuel economizer, continuously stirring the raw materials and the casting body in the process of adding the raw materials and the casting body into the smelting furnace, performing electromagnetic stirring and casting during the casting of a molten mass, and performing casting after cooling to 400 ℃ in the casting process through primary casting, secondary casting and tertiary casting.
The automobile fuel economizer manufactured by the technical scheme can continuously generate nuclear magnetic resonance on gasoline, so that the gasoline can be combusted more fully, the fuel saving rate of a trolley is 15-30% according to vehicle conditions, road conditions and vehicle types, the fuel saving rate of a truck is 15-25%, the power is obviously improved, the idling speed is obviously stable, the combustion is more complete, the emission of carbon monoxide and hydrocarbon in tail gas is reduced, the effects of energy conservation and environmental protection are achieved, the combustion is more complete and more thorough, the engine can be effectively protected, the carbon deposition is removed, and the service life of the engine is prolonged.
Example three:
an automobile fuel economizer comprises the following components in percentage by mass: 4.0% of Eu, 8.5% of Tb, 12.5% of Nd, 6.0% of Yb, 0.78% of Lu, 4.5% of Fe, 13.5% of Si, 5.6% of Cr and 4.0% of Ru, and the components of the fuel economizer also comprise 4.5% of Tm, 2.8% of Sr and the balance of AL.
A manufacturing method of an automobile fuel economizer comprises the following steps:
s1, primary smelting: adding the raw materials into a smelting furnace according to the mass percentage, heating and melting, vacuumizing to 8.0pa in the melting process, heating to 1250 ℃ under the protection of argon, and preserving heat for 3 hours;
s2, primary casting: casting the molten mass heated and melted to form a cast body;
S3, secondary smelting: adding the casting body into a smelting furnace for secondary smelting to obtain a secondary molten body, vacuumizing to 15.5pa in the smelting process, adopting argon protection, heating to 1550 ℃, and preserving heat for 2 hours;
s4, secondary casting: carrying out secondary casting on the molten mass obtained by secondary smelting to form a secondary casting body;
s5, smelting for the third time: adding the secondary casting body into a smelting furnace for carrying out tertiary smelting to obtain a tertiary molten body, vacuumizing to 17.2pa in the smelting process, adopting argon protection, heating to 2000 ℃, and keeping the temperature for 20 min;
s6, casting for three times: and adding the casting body into a smelting furnace for smelting for three times to obtain a finished product of the fuel economizer, continuously stirring the raw materials and the casting body in the process of adding the raw materials and the casting body into the smelting furnace, performing electromagnetic stirring and casting during the casting of a molten mass, and performing casting after cooling to 400 ℃ in the casting process through primary casting, secondary casting and tertiary casting.
The automobile fuel economizer manufactured by the technical scheme can continuously generate nuclear magnetic resonance on gasoline, so that the combustion is more sufficient, the fuel saving rate of a trolley is 15-30% according to vehicle conditions, road conditions and vehicle types, the fuel saving rate of a truck is 15-25%, the power is obviously improved, the idling is obviously stable, the combustion is more complete, the emission of carbon monoxide and hydrocarbon in tail gas is reduced, the energy-saving and environment-friendly effects are achieved, the combustion is more complete and more thorough, the engine can be effectively protected, the carbon deposition is removed, the service life of the engine is prolonged, the engine runs more stably after being installed, and the noise can be reduced by 20-80%.
Example four:
an automobile fuel economizer comprises the following components in percentage by mass: 3.0% of Eu, 6.5% of Tb, 11.5% of Nd, 5.0% of Yb, 0.58% of Lu, 3.5% of Fe, 12.5% of Si, 2.6% of Cr and 3.0% of Ru, and the components of the fuel economizer also comprise 4.5% of Tm, 2.8% of Sr and the balance of AL.
A manufacturing method of an automobile fuel economizer comprises the following steps:
s1, primary smelting: adding the raw materials into a smelting furnace according to the mass percentage, heating and melting, vacuumizing to 8.0pa in the melting process, heating to 1250 ℃ under the protection of argon, and preserving heat for 3 hours;
s2, primary casting: casting the molten mass heated and melted to form a cast body;
s3, secondary smelting: adding the casting body into a smelting furnace for secondary smelting to obtain a secondary molten body, vacuumizing to 15.5pa in the smelting process, adopting argon protection, heating to 1550 ℃, and preserving heat for 2 hours;
s4, secondary casting: carrying out secondary casting on the molten mass obtained by secondary smelting to form a secondary casting body;
s5, smelting for the third time: adding the secondary casting body into a smelting furnace for carrying out tertiary smelting to obtain a tertiary molten body, vacuumizing to 17.2pa in the smelting process, adopting argon protection, heating to 2000 ℃, and keeping the temperature for 20 min;
S6, casting for three times: and adding the casting body into a smelting furnace for smelting for three times to obtain a finished product of the fuel economizer, continuously stirring the raw materials and the casting body in the process of adding the raw materials and the casting body into the smelting furnace, performing electromagnetic stirring and casting during the casting of a molten mass, and performing casting after cooling to 400 ℃ in the casting process through primary casting, secondary casting and tertiary casting.
The automobile fuel economizer manufactured by the technical scheme can continuously generate nuclear magnetic resonance on gasoline, so that the combustion is more sufficient, the fuel saving rate of a trolley is 15-30% according to vehicle conditions, road conditions and vehicle types, the fuel saving rate of a truck is 15-25%, the power is obviously improved, the idling is obviously stable, the combustion is more complete, the emission of carbon monoxide and hydrocarbon in tail gas is reduced, the energy-saving and environment-friendly effects are achieved, the combustion is more complete and more thorough, the engine can be effectively protected, the carbon deposition is removed, the service life of the engine is prolonged, the engine runs more stably after being installed, and the noise can be reduced by 20-80%.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. An automobile fuel economizer which is characterized in that: the components by mass percentage are as follows: 2.5-4.0% of Eu, 5.0-8.5% of Tb, 10.0-12.5% of Nd, 4.5-6.0% of Yb, 0.52-0.78% of Lu, 2.5-4.5% of Fe, 10.5-13.5% of Si, 2.8-5.6% of Cr, 1.8-4.0% of Ru and the balance of AL.
2. The automotive fuel economizer of claim 1, characterized in that: the fuel economizer comprises the following components in percentage by mass: 3.0% Eu, 6.5% Tb, 11% Nd, 5.0% Yb, 0.6% Lu, 4.0% Fe, 12.0% Si, 5.0% Cr, 3.6% Ru, and the balance of AL.
3. The automotive fuel economizer of claim 1, characterized in that: the components of the fuel economizer also comprise 4.5-6.0% of Tm and 2.8-4.8% of Sr.
4. The manufacturing method of the automobile fuel economizer is characterized in that: the method comprises the following steps:
s1, primary smelting: adding the raw materials into a smelting furnace according to the mass percentage, and heating and melting the raw materials;
s2, primary casting: casting the molten mass heated and melted to form a cast body;
s3, secondary smelting: adding the casting body into a smelting furnace for secondary smelting to obtain a secondary molten body;
s4, secondary casting: carrying out secondary casting on the molten mass obtained by secondary smelting to form a secondary casting body;
S5, smelting for the third time: adding the secondary casting body into a smelting furnace for carrying out tertiary smelting to obtain a tertiary molten body;
s6, casting for three times: and adding the casting body into a smelting furnace for smelting for three times to obtain a finished product of the fuel economizer.
5. The method for manufacturing an automotive fuel economizer according to claim 4, characterized in that: the raw materials and the casting body are continuously stirred in the process of adding the smelting furnace, and electromagnetic stirring and casting are adopted during the casting of the molten mass.
6. The method for manufacturing an automotive fuel economizer according to claim 4, characterized in that: and in the step S1, vacuumizing to 8.0pa in the melting process, heating to 1250 ℃ under the protection of argon, and preserving heat for 3 hours.
7. The method for manufacturing an automotive fuel economizer according to claim 4, characterized in that: and in the step S3, vacuumizing to 15.5pa in the melting process, adopting argon protection, heating to 1550 ℃, and keeping the temperature for 2 hours.
8. The method for manufacturing an automotive fuel economizer according to claim 4, characterized in that: and S5, vacuumizing to 17.2pa in the melting process, adopting argon protection, heating to 2000 ℃, and keeping the temperature for 20 min.
9. The method for manufacturing an automotive fuel economizer according to claim 4, characterized in that: and the primary casting, the secondary casting and the third casting are cast after the temperature is reduced to 400 ℃ in the casting process.
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| CN201910424485.XA CN111979452A (en) | 2019-05-21 | 2019-05-21 | Automobile fuel economizer and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910424485.XA CN111979452A (en) | 2019-05-21 | 2019-05-21 | Automobile fuel economizer and method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107083504A (en) * | 2017-04-27 | 2017-08-22 | 柳州豪祥特科技有限公司 | The preparation method of aluminium alloy wheel hub |
| CN107142384A (en) * | 2017-04-27 | 2017-09-08 | 柳州豪祥特科技有限公司 | The preparation method of high-performance aluminium alloy wheel hub |
| CN107385285A (en) * | 2017-07-21 | 2017-11-24 | 张栗珲 | A kind of fuel oil quantum processor and preparation method thereof |
| CN110004334A (en) * | 2019-04-02 | 2019-07-12 | 安徽省金兰金盈铝业有限公司 | The processing method of high-speed rail interior trim circuit gantry aluminum alloy materials |
-
2019
- 2019-05-21 CN CN201910424485.XA patent/CN111979452A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107083504A (en) * | 2017-04-27 | 2017-08-22 | 柳州豪祥特科技有限公司 | The preparation method of aluminium alloy wheel hub |
| CN107142384A (en) * | 2017-04-27 | 2017-09-08 | 柳州豪祥特科技有限公司 | The preparation method of high-performance aluminium alloy wheel hub |
| CN107385285A (en) * | 2017-07-21 | 2017-11-24 | 张栗珲 | A kind of fuel oil quantum processor and preparation method thereof |
| CN110004334A (en) * | 2019-04-02 | 2019-07-12 | 安徽省金兰金盈铝业有限公司 | The processing method of high-speed rail interior trim circuit gantry aluminum alloy materials |
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Application publication date: 20201124 |