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Anti-aging three-way catalyst

A three-way catalytic converter and catalytic converter technology, applied in the direction of engine components, machines/engines, mechanical equipment, etc., can solve the problems of aging and scrap, catalyst support with multiple sintering points, high-temperature sintering, etc., to prevent excessive temperature and inhibit sintering. effect of the phenomenon

Active Publication Date: 2016-05-18
利星环保催化科技江苏有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the high temperature of the exhaust gas of the automobile, the catalyst bracket is in a high temperature state for a long time during driving, which can easily cause high-temperature sintering, which will cause more sintering points inside the catalyst bracket, thereby rapidly aging and scrapping

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] exist figure 1 In the shown embodiment one, the anti-aging three-way catalytic converter includes a catalytic converter main pipe 1, the front end of the catalytic converter main pipe 1 is connected to the intake pipe 2, and the rear end is connected to the air outlet pipe 3; the catalytic converter main pipe 1 is provided with Cylindrical catalyst support 4, the internal structure of the catalyst support 4 is honeycomb, and the catalyst support 4 is coated with a three-way catalyst; the catalyst support 4 is fixed inside the catalytic converter main pipe 1; a rotating shaft is fixed on the axis of the catalyst support 4 50, the rotating shaft 50 extends to the front end of the catalyst bracket 4, and a steam turbine 5 arranged at the front end of the catalyst bracket 4 is pivoted through the rotating shaft 50. The structure of the steam turbine 5 can be consistent with that of the steam turbine, and can be used in automobile exhaust It rotates around the rotating shaft...

Embodiment 2

[0017] for figure 2 The difference between the illustrated embodiment two and the first embodiment is that the steam wheel 5 and the catalyst support 4 are relatively fixed and integrated; and the common rotating shaft 50 of the steam wheel 5 and the catalyst support 4 is erected by a bearing On the ventilation bracket 7 in the catalytic converter main pipe 1; the ventilation bracket 7 is provided with one at both ends of the rotating shaft 50; on the catalytic converter main pipe 1, a section of pipe between the two ventilation brackets 7 The wall is composed of a heat-deformable metal tube 11 whose thermal deformation capacity is greater than that of the catalyst support 4; below 600°C, the peripheral surface of the catalyst support 4 is in contact with the inner wall of the heat-deformable metal tube 11; above 600°C, The thermally deformable metal tube 11 expands to form a gap between its inner wall and the peripheral surface of the catalyst support 4 . Generally, the rea...

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PUM

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Abstract

The invention provides an anti-aging three-way catalyst which comprises a catalyst main pipe, wherein the front end of the catalyst is connected with an inlet air pipe, and the rear end of the catalyst is connected with an air outlet pipe; a cylindrical catalytic agent support is arranged inside the main pipe of the catalyst, the internal structure of the catalytic agent support is honeycomb-shaped, and the catalytic agent support is plated with a three-way catalytic agent; and a pneumatic wheel coaxial with the main pipe of the catalyst is arranged at the front end of the catalytic agent support, and the pneumatic wheel rotates under the pushing of automobile exhaust. The three-way catalyst can restrain the environment temperature in which the catalytic agent support locates, so that the sintering aging of the catalytic agent support can be restrained, and the service life is prolonged.

Description

technical field [0001] The invention relates to the field of automobile tail gas treatment equipment, in particular to a three-way catalytic converter. Background technique [0002] After the combustion of automobile gasoline, a large amount of harmful gases are produced, mainly including carbon monoxide, hydrocarbons, and nitrogen oxides; for this reason, it is generally necessary to use a three-way catalytic converter to treat this mixed harmful gas to generate carbon dioxide and water. re-emitted into the atmosphere. Due to the high temperature of the exhaust gas of the automobile, the catalyst bracket is in a high temperature state for a long time during driving, which can easily cause high-temperature sintering, which will cause more sintering points inside the catalyst bracket, thereby rapidly aging and scrapping. Contents of the invention [0003] In view of the above problems, the object of the present invention is to provide an anti-aging three-way catalytic ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01N3/28F01N5/02
CPCF01N3/2842F01N5/02Y02A50/20Y02T10/12
Inventor 顾钰锋
Owner 利星环保催化科技江苏有限公司