Automobile exhaust purifying device adopting water fog charges and plasma

An exhaust gas purification device, plasma technology, applied in the direction of exhaust device, muffler device, engine components, etc., can solve the problem of not giving the removal efficiency of PM particles, and achieve the effect of avoiding the phenomenon of back corona and the inconvenience of cleaning electrodes

Inactive Publication Date: 2015-12-09
HARBIN INST OF TECH AT WEIHAI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This invention can remove toxic gases such as nitric oxide in the exhaust gas, but does not give the removal efficiency of PM particulate matter

Method used

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  • Automobile exhaust purifying device adopting water fog charges and plasma

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Embodiment Construction

[0015] The inclined spray pipe (2) is a cylindrical insulating plastic pipe. Take the exhaust gas discharge direction as the positive direction, and the angle between the inclined injection pipe (2) and the exhaust pipe is 90°. The front end nozzle (9) of the water mist injector (7) is placed on the upper end of the inclined spray pipe (2). The rear end of water mist injector (7) is fixed on the vehicle frame, links to each other with high-pressure water pump (10). The high-pressure water pump (10) and the high-voltage pulse generator (4) are all installed on the vehicle rear frame. Water tank (11) is installed on the top of high-pressure water pump (10). The rod-shaped electrode (3) is located in the middle of the inclined jet tube (2), close to the tube wall, and connected with the high-voltage pulse generator (4). The purification controller (6) is installed in the vehicle, connected to the vehicle bus, and controls the opening and closing of the high-voltage pulse gener...

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Abstract

The invention discloses an automobile exhaust purifying device adopting water fog charges and plasma. The device comprises a water fog ejector, a plasma generator, a purification controller and an inclined ejection pipe, wherein the bottom of the inclined ejection pipe is communicated with an exhaust pipe, and the top is connected with a nozzle of the water fog ejector; an electrode of the plasma generator is located in the middle of the inclined ejection pipe and closely attached to the pipe wall; the purification controller controls the water fog ejection moment and the working moment of the plasma generator respectively. The device has no effect on automobile exhaust resistance during working, so that the device has no adverse effect on power output of an engine. A dust removal space of the device is located in the exhaust pipe, and back corona phenomena and frequent vibration of the high-voltage electrode and inconvenience in cleaning of the electrode are avoided. The device is simple to use, can reduce toxic gas and PMs (particulate matters) in exhaust simultaneously, and is applicable to various automobiles with serious exhaust emission pollution.

Description

technical field [0001] The invention relates to a device for purifying automobile tail gas through the integration of water mist charging and plasma, and the structural design of the purifying device. Background technique [0002] With the sharp increase in the number of automobiles, the problem of automobile exhaust pollution is imminent. Vehicle exhaust mainly includes harmful gases such as carbon monoxide, hydrocarbons, nitrogen oxides, and PM (particulates, soot). Particulate matter emission pollution in exhaust gas is one of the main reasons affecting air quality. According to a 2010 study on air pollution in urban areas of Beijing, coal burning and motor vehicle pollution may be the main causes of air pollution, and motor vehicle exhaust pollution is more harmful than coal burning, as high as 22.2%. At present, the contribution of vehicle exhaust emissions to PM2.5 is still controversial. But what is certain is that exhaust emissions are an important factor causing ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01N3/01F01N3/04
Inventor 龚晓春
Owner HARBIN INST OF TECH AT WEIHAI
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