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Carrier for motor vehicle exhaust catalytic purifier

A technology for catalytic converters and motor vehicles. It is applied in the direction of machines/engines, exhaust devices, mechanical equipment, etc. It can solve the problems of high-efficiency catalytic conversion of catalytic coatings, short contact time between catalytic coatings and airflow, and small contact areas. question

Inactive Publication Date: 2013-01-09
ZHEJIANG DA FENG AUTOMOBILE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the corrugated plate in the metal carrier is mostly a single linear corrugation, and the contact time between the catalytic coating and the airflow is short during use, and the contact area is small, so it is difficult to achieve efficient catalytic conversion of the catalytic coating

Method used

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  • Carrier for motor vehicle exhaust catalytic purifier
  • Carrier for motor vehicle exhaust catalytic purifier

Examples

Experimental program
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Embodiment Construction

[0017] Such as figure 1 and figure 2 As shown, a carrier for a motor vehicle exhaust catalytic converter includes a cylinder body 1 and a core body 2 disposed in the cylinder body. The core body includes a flat plate 21 and a corrugated plate 22, and the corrugated plate is arranged on the flat plate. The flat plate is wound to form a spiral passage 3, and the first corrugation 221 and the second corrugation 222 intersected on the corrugated plate divide the spiral passage into non-wired tunnels. The corrugated board is formed by bidirectional pressing on a flat plate. The first corrugations and the second corrugations are vertically intersected, the first corrugations are arranged along the circumferential direction of the core, the second corrugations are arranged along the axial direction of the core, and the depth of the first corrugations is Smaller than the depth of the second corrugations, several first corrugations are arranged in parallel at equal intervals, and se...

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PUM

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Abstract

The invention discloses a carrier for a motor vehicle exhaust catalytic purifier. The carrier comprises a barrel (1) and a core (2) arranged in the barrel (1). The carrier is characterized in that the core comprises a surface plate (21) and a corrugated plate (22), wherein the surface plate and the corrugated plate are wound to form pore passages (3), and the corrugated plate comprises first waves (221) and second waves (222) which are arranged in a crossed manner, so that the pore passages are nonlinear constraint pore passages. The carrier fro the motor vehicle exhaust catalytic purifier has the advantages that the pore passages are the nonlinear constraint pore passages owing to the waves which are arranged in the crossed manner, contact area of exhaust and a catalytic coating is increased, and contact time of the exhaust and the catalytic coating is prolonged, so that catalytic reaction is sufficient, and activity and efficiency of the catalytic purifier are obviously improved.

Description

technical field [0001] The invention relates to a carrier for a motor vehicle tail gas catalytic purifier. Background technique [0002] Motor vehicle exhaust is extremely harmful to human beings and the environment, and has become one of the main sources of air pollution. Catalytic conversion technology is currently the most effective way to control vehicle exhaust, and the core of this technology is the catalytic converter. The main components of the catalytic converter are the carrier and the catalytic coating, and the catalytic purification of the exhaust gas of the motor vehicle is realized by coating the active material on the carrier. [0003] As one of the key components of the catalytic converter, the material of the carrier mainly includes ceramic and metal. Due to its thin wall, high porosity and high thermal conductivity, the metal carrier can effectively reduce the exhaust resistance, improve the purification efficiency of the catalytic coating and prolong the...

Claims

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Application Information

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IPC IPC(8): F01N3/28
CPCY02A50/20
Inventor 王秋艳张宇鹏王磊
Owner ZHEJIANG DA FENG AUTOMOBILE TECH
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