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Magnetic particle filter

A magnetic particle and filter technology, applied in the direction of machines/engines, mechanical equipment, engine components, etc., can solve the problem of not finding a passive regeneration system catalyst

Active Publication Date: 2021-05-07
NANJING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Most researchers focus on the catalytic effect of catalysts on mature soot. So far, no ideal and stable catalysts for passive regeneration systems have been found.

Method used

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  • Magnetic particle filter
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Embodiment Construction

[0021]The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be embodied in various ways of claims defined and covered.

[0022]Combinefigure 1 A magnetic particulate filter, which is coupled to the exhaust end of the engine, including the outer wall 11 and the inner wall 12, the inner wall 12 located within the outer wall 11, and the inner wall 12 is formed with a plurality of connecting filters import and exit. The aperture is extended, and the inside of the filter is provided with a magnet capable of adsorbing a magnetic catalyst material.

[0023]Further, the magnet is disposed on the surface of the aperture.

[0024]Further, seefigure 2The filter is connected by multiple subjunctions from its inlet to the outlet.

[0025]Further, the structure of each sub-portion is the same.

[0026]Further, the filter is a cylindrical shape.

[0027]Further, the hole of the aperture is partially arranged in one edge ...

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Abstract

The invention discloses a magnetic particle filter, which comprises an outer wall and an inner wall, the inner wall is located inside the outer wall, the inner wall is formed with a plurality of holes connecting the inlet and the outlet of the filter, and a magnet capable of absorbing a magnetic catalyst material is arranged inside the filter , different from the common actively regenerated DPF, this filter does not need to provide additional energy, not only can absorb the soot particles in the exhaust gas, but also can trap the catalyst particles carried in the exhaust gas, using multiple holes, can increase the filtration The geometric surface area of ​​the filter allows the particles in the exhaust gas to deposit on the wall of the pores when they flow from the pores, and at the same time, the magnetic catalyst material will be adsorbed by the magnet in the magnetic particle filter, thereby achieving the filtering effect.

Description

Technical field[0001]The present invention belongs to the field of exhaust gas treatment involves a magnetic particulate filter.Background technique[0002]With the quality of life and the growth of consumption, the automotive industry has developed rapidly, and has become one of my country's pillar industry. While the amount of car usage is increased, the environmental pollution caused by the car is also increasingly serious. Compared with gasoline engine, diesel engine is good, pollutant (CO, CO)2And HC) The amount of emissions is relatively small, and the urban bus, industrial equipment is almost all with diesel engine. However, there is a serious problem in the application of diesel engine, namely particulate matter (PM) and nitrogen oxides (NOxThe emissions are very high. The size of the PM is only a micrometer, submicron level, and its inhalation of the lungs will cause a disease such as respiratory diseases to the human body. The nitrogen oxide in the atmosphere leads to human ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01N3/021F01N3/022F01N3/20
CPCF01N3/021F01N3/022F01N3/20F01N2250/02
Inventor 刘冬刘冠楠
Owner NANJING UNIV OF SCI & TECH