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Automobile exhaust purification catalyst carrier

A technology for purifying catalysts and automobile exhaust, which is applied in catalyst carriers, physical/chemical process catalysts, catalyst activation/preparation, etc., can solve problems such as high cost, inability to achieve rational utilization of catalysts, waste of resources, etc., to ensure service life, improve The effect of exhaust gas evolution and the effect of ensuring stability

Active Publication Date: 2016-05-11
湖北荟煌科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The outermost part of the catalytic converter is a stainless steel shell, and its interior is a catalyst carrier; due to the diffusion from the center to the surroundings, the gas flow in the center is the fastest, and the utilization rate of the catalyst is higher. At the same time, the utilization rate of the catalyst is less, and the rational utilization of the catalyst cannot be achieved, the cost is high, and at the same time, it causes a waste of resources.

Method used

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  • Automobile exhaust purification catalyst carrier
  • Automobile exhaust purification catalyst carrier

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A catalyst carrier for automobile exhaust gas purification, the carrier includes a sleeve body, a grid installed inside the sleeve body and a porous composite ball fixedly arranged in the grid, an exhaust gas channel is left between the porous composite ball and the grid wall,

[0025] The porous composite ball includes a core ball, the core ball is a titanium alloy, the core ball is coated with a nickel-based alloy layer, and the nickel-based alloy layer is a porous composite layer,

[0026] The composition of each element of titanium alloy is: Mn6﹪, V3﹪, Zr2﹪, Al0.7﹪, In0.5﹪, Ca0.3﹪, N0.1﹪, Mg0.08﹪, Sb0.06﹪, C0. 04﹪, Ce0.01﹪, Cr0.01﹪, the balance is Ti,

[0027] The composition of each element of the nickel-based alloy is: Mn0.7﹪, V0.3﹪, Zr0.2﹪, In0.5﹪, Ag0.1﹪, Bi0.1﹪, Mg0.08﹪, Ce0.04﹪, Cr0.03﹪, Ba0.02﹪, Nd0.01﹪, the balance is Ni

[0028] The porous composite layer is composed of (mass) 100 parts of fluorite powder, 20 parts of activated carbon, 10 parts of aluminu...

Embodiment 2

[0030] A catalyst carrier for automobile exhaust gas purification, the carrier includes a sleeve body, a grid installed inside the sleeve body and a porous composite ball fixedly arranged in the grid, an exhaust gas channel is left between the porous composite ball and the grid wall,

[0031] The porous composite ball includes a core ball, the core ball is a titanium alloy, the core ball is coated with a nickel-based alloy layer, and the nickel-based alloy layer is a porous composite layer,

[0032] The composition of each element of titanium alloy is: Mn7﹪, V4﹪, Zr3﹪, Al0.8﹪, In0.6﹪, Ca0.4﹪, N0.2﹪, Mg0.09﹪, Sb0.07﹪, C0. 05﹪, Ce0.02﹪, Cr0.02﹪, the balance is Ti,

[0033] The composition of each element of the nickel-based alloy is: Mn0.8﹪, V0.4﹪, Zr0.3﹪, In0.6﹪, Ag0.2﹪, Bi0.2﹪, Mg0.09﹪, Ce0.05﹪, Cr0.04﹪, Ba0.03﹪, Nd0.02﹪, the balance is Ni

[0034] The porous composite layer is composed of (mass) 100 parts of fluorite powder, 30 parts of activated carbon, 20 parts of aluminu...

Embodiment 3

[0036] A catalyst carrier for automobile exhaust gas purification, the carrier includes a sleeve body, a grid installed inside the sleeve body and a porous composite ball fixedly arranged in the grid, an exhaust gas channel is left between the porous composite ball and the grid wall,

[0037] The porous composite ball includes a core ball, the core ball is a titanium alloy, the core ball is coated with a nickel-based alloy layer, and the nickel-based alloy layer is a porous composite layer,

[0038] The composition of each element of titanium alloy is: Mn6.5﹪, V3.5﹪, Zr2.5﹪, Al0.75﹪, In0.55﹪, Ca0.35﹪, N0.15﹪, Mg0.085﹪, Sb0 .065﹪, C0.045﹪, Ce0.015﹪, Cr0.015﹪, the balance is Ti,

[0039] The composition of each element of the nickel-based alloy is: Mn0.75﹪, V0.35﹪, Zr0.25﹪, In0.55﹪, Ag0.15﹪, Bi0.15﹪, Mg0.085﹪, Ce0.045﹪, Cr0.035﹪, Ba0.025﹪, Nd0.015﹪, the balance is Ni

[0040] The porous composite layer consists of (mass) 100 parts of fluorite powder, 25 parts of activated carbon...

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Abstract

The invention relates to an automobile exhaust purification catalyst carrier which comprises a cover body, a grille installed inside the cover body, and porous composite balls fixedly arranged in the grille, wherein exhaust channels are reserved between the porous composite balls and the grille. The core balls can ensure the carrier stability in the working process, and due to the porous composite layers, the carrier can effectively bear the catalyst to improve the exhaust purification effect.

Description

technical field [0001] The invention relates to a catalyst carrier for automobile tail gas purification and belongs to the technical field of automobile tail gas purification. Background technique [0002] The automotive catalytic converter is an engine external purification device that can purify carbon monoxide (CO), hydrocarbons (HC), hydrocarbons (HC) and nitrogen oxides (NO) emitted from the automotive engine. A catalytic converter that can only purify CO and HC is an oxidation catalytic converter; a catalytic converter that can purify CO, HC and NO that pollutes the environment is a three-way catalytic converter. The outermost part of the catalytic converter is a stainless steel shell, and its interior is a catalyst carrier; due to the diffusion from the center to the surroundings, the gas flow in the center is the fastest, and the utilization rate of the catalyst is higher. At the same time, the utilization rate of the catalyst is lower, so the rational utilization o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J27/24B01J32/00B01D53/94B01D53/56B01D53/62B01D53/72
CPCB01D53/94B01D53/945C22C14/00C22C19/005C22C19/03B01J23/002B01J23/8993B01J27/24B01J37/08B01D2255/104B01D2255/2045B01D2255/2065B01D2255/206B01D2255/2047B01D2255/2042B01D2255/204B01D2255/20723B01D2255/20715B01D2255/20784B01D2255/2073B01D2255/20753B01D2255/20707B01D2255/2092B01D2255/209B01D2255/40B01D2255/2096B01D2255/30B01D2255/70B01D2255/702B01D2258/01B01J2523/00B22F1/16B01J35/397B01J35/615B01J35/635B01J2523/31B01J2523/41B01J2523/47B01J2523/67
Inventor 秦川
Owner 湖北荟煌科技股份有限公司
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