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Methane converted gas generation device and automobile

A technology for generating device and transforming gas, which is applied in exhaust device, muffler device, inorganic chemistry, etc., and can solve problems such as uneconomical and high fuel consumption.

Active Publication Date: 2022-03-04
GREAT WALL MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Therefore, in the prior art, in order to reduce the emissions of NOX and carbon particles in diesel vehicles, it is necessary to Extra fuel injection, but more fuel injection is not economical for users, and there is a problem of high fuel consumption

Method used

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  • Methane converted gas generation device and automobile
  • Methane converted gas generation device and automobile
  • Methane converted gas generation device and automobile

Examples

Experimental program
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Effect test

Embodiment 1

[0099] First prepare the base of the honeycomb structure with a thickness of 0.5mm, then coat all the outer surfaces of the base of the honeycomb structure with a dehydrogenation catalyst coating of 10 μm to obtain the dehydrogenation catalyst structure, and finally set the obtained dehydrogenation catalyst structure in the cavity of the methane converter. The dehydrogenation catalyst in this embodiment is tungsten carbide.

Embodiment 2

[0101] First prepare the base of the honeycomb structure with a thickness of 1.5mm, then coat all the outer surfaces of the base of the honeycomb structure with a dehydrogenation catalyst coating of 50 μm to obtain the dehydrogenation catalyst structure, and finally set the obtained dehydrogenation catalyst structure in the cavity of the methane converter. The dehydrogenation catalyst in this embodiment is tungsten carbide.

Embodiment 3

[0103] First prepare a substrate with a fin-shaped structure with a thickness of 2.5 mm, and then coat a 50 μm dehydrogenation catalyst coating on all outer surfaces of the substrate to obtain a sub-dehydrogenation catalyst structure, and finally combine the obtained multiple sub-dehydrogenation catalyst structures Set in the inner cavity of the methane converter. The dehydrogenation catalyst in this embodiment is tungsten carbide.

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Abstract

The invention provides a methane conversion gas generation device and an automobile. The methane conversion gas generation device comprises a methane storage tank, a methane converter and a methane conversion gas nozzle. Wherein the methane storage tank is used for storing methane and spraying methane to the methane converter; the methane converter is used for converting methane into methane conversion gas, and the methane conversion gas comprises hydrogen and active carbon atoms; and the methane conversion gas nozzle is used for spraying methane conversion gas into a tail gas treatment device of the automobile. According to the methane conversion gas generation device, economical methane is converted into the methane conversion gas containing hydrogen and activated carbon atoms, so that under the condition that an automobile does not need to additionally spray fuel oil additionally, the NOX release reaction and the NOX reduction reaction in a lean-burn NOX trap are achieved, and regeneration of a diesel oil particle trap is achieved.

Description

technical field [0001] The invention belongs to the field of automobiles, in particular to a methane reforming gas generating device and an automobile. Background technique [0002] In the emission regulations (National 6 emission regulations) of light-duty diesel vehicles (LDD, Light diesel vehicle), NO X And the emission limits of carbon particles have made stricter requirements. [0003] In the prior art, by increasing the LNT (Lean NO x Trap, lean NO X Capture technology), DPF (Diesel Particulate Filter, diesel particulate filter) and SCR (Selective Catalytic Reduction, selective catalytic reduction device) to reduce NO X and carbon particulate emissions purposes. Among them, LNT is mainly used for NO x capture and release, and the NO x reduction; DPF is mainly used for the capture of carbon particles in exhaust gas; SCR is mainly used for the NO released from LNT x purification. [0004] However, in practical applications, if one wants to ensure that the LNT ef...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01N3/20F01N3/025C01B3/22
CPCF01N3/20F01N3/0253C01B3/22F01N2570/14F01N2610/03Y02A50/20
Inventor 赵振兴石伟
Owner GREAT WALL MOTOR CO LTD
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