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Engine pretreatment, self-repairing material and tail gas governing integrated process method

A self-healing material and process technology, applied in the field of exhaust gas treatment and engine exhaust gas treatment, can solve the problems of inability to completely remove harmful components of exhaust gas, reduce engine power, and inability to remove exhaust gas, etc., to shorten repair time, improve power, and reduce friction. The effect of coefficients

Active Publication Date: 2018-03-23
黑龙江西亚金属表面工程技术研究院(有限合伙) +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the capacity of my country's tail gas treatment devices is limited, and the harmful components in the tail gas cannot be completely removed. There are the following disadvantages: 1. The main harmful components in the tail gas cannot be removed, including CO, HC and NOx; 2. If the tail gas treatment device is blocked, it will cause exhaust gas. Air back pressure increases, reducing engine power

Method used

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  • Engine pretreatment, self-repairing material and tail gas governing integrated process method

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specific Embodiment approach 1

[0036] Specific Embodiments 1. The integrated process method of engine pretreatment, self-repairing materials and exhaust gas treatment includes the following steps:

[0037] Step 1, preparing a mixed powder with the function of cleaning the degenerated layer, corruption points and oil stains on the surface of the engine friction pair;

[0038] Mixed powder with the function of cleaning the metamorphic layer, corruption points and oil stains on the surface of the engine friction pair: 45-55 parts of rare earth, 4-6 parts of iron powder, 4-6 parts of aluminum powder, 4-6 parts of zinc powder , 4-6 parts of silicon powder, 6-7 parts of magnesium powder, 4-6 parts of sodium powder, 4-6 parts of calcium powder and 3-4 parts of lithium stearate are placed in a high-speed homogenizer for 30-40 minutes;

[0039] Step 2, preparing a metal wear self-repairing material composition;

[0040] The self-repairing material composition for metal wear consists of 4-11 parts of nickel chloride...

specific Embodiment approach 2

[0078] Specific Embodiment 2. Rare earth, iron powder, aluminum powder, zinc powder, silicon powder, magnesium powder, sodium powder and calcium in step 1 of the engine pretreatment, self-repairing material and exhaust gas treatment integrated process method of this embodiment The particle size of the powders were all less than 2 microns. The mixed powder of this embodiment can determine the thickness of the degenerated layer and rot point to be cleaned according to the gap between the metal friction pairs.

specific Embodiment approach 3

[0079] Specific embodiment three. The metal wear self-repairing material composition in step two described in the integrated process method of engine pretreatment, self-repairing material and exhaust gas treatment in this embodiment consists of 4 to 11 parts by weight of nickel chloride powder, 4-11 parts of aluminum powder, 19-31 parts of nickel powder, 14-21 parts of ferric oxide powder, 4-11 parts of silicon dioxide powder, 2-5 parts of powder suspending agent, 0.5-1 part of surface modifier Put 12 to 49 parts of mineral lubricating oil in a high-speed homogenizer and homogenize for 30 to 40 minutes.

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Abstract

The invention discloses an engine pretreatment, self-repairing material and tail gas governing integrated process method and belongs to the technical field of engine tail gas governing. The inventionaims at solving the problems that an existing engine tail gas governing effect is not thorough, and the emission pollutants of an engine harm the living environment. The engine pretreatment, self-repairing material and tail gas governing integrated process method includes the following steps that firstly, mixed powder with the function of cleaning an engine friction pair surface metamorphic layer,rotted points and oil stains is prepared; secondly, a metal abrasion self-repairing material composition is prepared; thirdly, engine pretreatment is performed; fourthly, engine self-repairing treatment is performed; and fifthly, a tail gas after-treatment device is additionally arranged. According to the engine pretreatment, self-repairing material and tail gas governing integrated process method, by means of integration and advantage complementation of the three technologies of engine pretreatment and self-repairing and additional arranging of the tail gas treatment device, the technical defects that a current domestic engine is purely provided with a tail gas treatment device, the engine performance is lowered, the oil consumption rises, and a particulate trap can be easily blocked areovercome, and an effective path is provided for scientific prevention and treatment of tail gas of high-emission motor vehicles in future.

Description

technical field [0001] The invention relates to a tail gas treatment method, which belongs to the technical field of engine tail gas treatment. Background technique [0002] The main pollutants in the engine (including gasoline, diesel engine) exhaust are carbon monoxide (CO), hydrocarbons (HC), nitrogen oxides (NOx), sulfides and particulates (composed of carbon particles, lead oxides and other heavy metal oxides) and soot, etc.). The purification method is that the tail gas will generate H through the chemical reaction of oxidation and reduction of the catalyst. 2 O.CO 2 and N 2 etc. to be released into the atmosphere. [0003] According to scientific research, NOx, sulfide and particulate emissions are the main causes of smog in my country. In fact, for diesel vehicles, the largest pollutant is nitrogen oxides (NOx). In terms of quality alone, nitrogen oxides (NOx) emissions are 50-200 times that of PM emissions, which are the main factors that cause toxicity to organ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B77/04F01M9/02F01N3/20F01N3/033F01N3/021F01N13/14F01N3/10F01N13/00C10M163/00C10N40/25
CPCC10M163/00C10M2201/05C10M2201/062C10M2201/081C10M2201/105C10M2203/1006C10N2030/78C10N2040/25F01M9/02F01N3/021F01N3/033F01N3/106F01N3/2073F01N3/208F01N13/009F01N13/14F01N2250/02F01N2310/02F01N2570/04F01N2570/10F01N2570/12F01N2570/14F01N2610/02F02B77/04Y02A50/20Y02T10/12
Inventor 张斯欧
Owner 黑龙江西亚金属表面工程技术研究院(有限合伙)
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