Density distribution type concentric metal honeycomb carrier
A metal honeycomb carrier, dense and dense technology, applied in the direction of noise reduction devices, engine components, machines/engines, etc., can solve the problems of high cost of use, failure to achieve reasonable utilization of catalysts, and low utilization rate of catalysts, and achieve cost savings and simple structure , the effect of rational use
Inactive Publication Date: 2012-07-04
浙江欧信环保科技有限公司
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Problems solved by technology
[0003] The purpose of the present invention is to make up for the deficiencies of the prior art, and to provide a densely distributed concentric metal honeycomb carrier, which solves the problem that the inner holes of the existing carrier are evenly divided, and the gas flow rate becomes smaller when the exhaust gas is discharged due to power around the existing carrier. At the same time, the utilization rate of the catalyst will be lower, the reasonable utilization of the catalyst cannot be achieved, and the use cost is high.
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[0013] Referring to the accompanying drawings, a densely distributed concentric metal honeycomb carrier includes a shell 1, and the shell 1 is provided with a concentric metal honeycomb carrier rolled from two layers of planar plates 2 and one layer of corrugated plates 3. The panel 2 is located on both sides of the corrugated plate 3, and is integrated with the peaks of the corrugated plate 3 through solder paste welding. The metal carrier is coated with a catalyst; the cross-section of the shell 1 is any irregular shape such as a circle, an oval, an oblate circle, a rectangle, a square or a triangle.
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The invention discloses a density distribution type concentric metal honeycomb carrier. The carrier comprises a shell and is characterized in that a concentric metal honeycomb carrier formed by coiling a surface plate and a waveform plate is arranged in the shell; the surface plate and a crest of the waveform plate are integrally welded by using a soldering paste welding material; from center to edge, the distribution in the metal honeycomb carrier is from thick to thin; and a catalyst is coated in the metal carrier. The density distribution type concentric metal honeycomb carrier is simple in structure and the structural design of from-thick-to-thin interior of the metal carrier is adopted, thereby achieving the reasonable utilization of the catalyst, lowering the use cost and being suitable for the carrier with a function of converting the catalyst discharged by various power or vehicles.
Description
technical field [0001] The invention mainly relates to a catalytic converter carrier, in particular to a densely distributed concentric metal honeycomb carrier. 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; with the development of society, the shape of the catalyst carrier is also constantly changing, and its shape develops from layered, spiral, cross-shaped to the commonly used S shape and SM shape, whether its internal structure is 50 mesh-1000 mesh or above, all...
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IPC IPC(8): F01N3/28
CPCY02A50/20
Inventor 丁胜康
Owner 浙江欧信环保科技有限公司