Double-layer particle filter system based on foam alloy

A technology of foam alloy and particle filtration, which is applied in the direction of mufflers, engine components, machines/engines, etc., can solve problems such as easy clogging, and achieve the effects of good vibration resistance, high thermal conductivity, and uniform heat distribution

Pending Publication Date: 2018-11-06
上海诺骋工程机械排气系统有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The object of the present invention is to provide a kind of double-layer particle filtration system based on foam alloy, to solve the problem of easy clogging proposed in the above-mentioned background technology

Method used

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  • Double-layer particle filter system based on foam alloy
  • Double-layer particle filter system based on foam alloy
  • Double-layer particle filter system based on foam alloy

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Embodiment Construction

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0018] see Figure 1-3 , the present invention provides a technical solution: a double-layer particulate filter system based on foam alloy, comprising a housing 4, a catalytic oxidizer 5 and a porous pipe 6, the left side of the housing 4 is provided with an air intake groove 1, and the air intake The slot 1 is fixedly connected with the housing 4, the inside of the air intake slot 1 is provided with an air intake chamber 101, the air intake chamber 101 is clo...

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Abstract

The invention discloses a double-layer particle filter system based on foam alloy. The double-layer particle filter system comprises a shell, a catalytic oxidizer and a porous pipe. An air inlet groove is formed in the left side of the shell and is fixedly connected with the shell. An air inlet cavity is formed in the air inlet groove and is closely attached to the air inlet groove. At least eightfixers are arranged on the outer side face of the shell and are embedded into the shell. According to the double-layer particle filter system based on the foam alloy, a cover plate can be fixed to the shell through the fixers; and when the quantity of soot in a soot collection groove is too large, the fixers can be dismounted by rotating bolts, then the cover plate is opened to clean the interiorof the soot collection groove, and thus, the practicability of the double-layer particle filter system based on the foam alloy is improved.

Description

technical field [0001] The invention relates to the field of diesel engines, in particular to a foam alloy-based double-layer particle filter system. Background technique [0002] At present, in the diesel engine exhaust particulate filter (DPF), the most widely used product is the ceramic carrier of the wall-flow filter element structure. Both ends must be staggered to seal all the channels. [0003] However, the DPF with this structure is prone to uneven heating, resulting in partial burning or rupture of the DPF. Once the DPF soot starts to accumulate, the accumulation rate will become faster and faster, and eventually the DPF will be blocked quickly, which will cause the engine exhaust back pressure to increase, the engine power to decrease, the fuel consumption to increase, and even cause the engine to stall. Therefore, reducing the clogging risk of the DPF carrier itself is fundamental to solving the existing technical problems. [0004] Therefore, the present appli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01N3/022F01N3/035
CPCF01N3/022F01N3/035
Inventor 祁晓东孙海涛段兴龙刘兵郑明君王少宗魏晓宇
Owner 上海诺骋工程机械排气系统有限公司
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