Engine exhaust gas filtering device

An exhaust filtration and engine technology, which is applied in exhaust devices, engine components, machines/engines, etc., can solve problems such as large exhaust emissions, poor engine exhaust, and difficulty in starting

Inactive Publication Date: 2016-06-29
QUANZHOU HONGHUA CHEM FIBER PROD CO LTD
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  • Description
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  • Application Information

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Problems solved by technology

[0002] like figure 1 As shown, in the existing engine exhaust gas purification device, no matter it is a single tube or a double tube, it includes an exhaust pipe main body 1' and a positioning pipe 2', and one or more layers are arranged inside the exhaust pipe main body 1'. The filter layer 3' allows the engine exhaust to be filtered through the

Method used

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  • Engine exhaust gas filtering device
  • Engine exhaust gas filtering device

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with accompanying drawing:

[0012] refer to figure 2 As shown in the figure, an engine exhaust filter device includes an exhaust pipe main body and a positioning pipe 3, and the positioning pipe 3 is fixedly connected with the engine exhaust discharge cylinder 5 through a lock nut 4. The main body of the exhaust pipe is composed of an inner cylinder 1 and an outer cylinder 2. The inner cylinder 1 is arranged inside the outer cylinder 2. The inner cylinder 1 is provided with an air inlet 11 and an air outlet 12. The positioning pipe 3 is located at The air inlet 11 is welded with the inner cylinder 1, and the cross-sectional area of ​​the exhaust passage of the inner cylinder 1 transitions smoothly and gradually decreases from the air inlet 11 along the direction of the air outlet 12, and the air outlet 12 is provided with a The first air outlet 13 is connected, the wall of the inner cylinder 1 is a ...

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Abstract

The invention relates to the technical field of treatment of engine exhaust gas, in particular to an engine exhaust gas filtering device. A main body of the device consists of an inner cylinder and an outer cylinder; the inner cylinder is arranged in the outer cylinder, and is provided with an intake port and an exhaust port; the sectional area of an exhaust channel of the inner cylinder is gradually decreased in the direction from the intake port to the exhaust port; the inner cylinder is provided with a first exhaust port communicated with the exhaust port in the exhaust port; the cylinder wall of the inner cylinder is of a netty structure; an active carbon filter bin is arranged between the inner cylinder and the outer cylinder; a second exhaust port is formed in the outer cylinder; a baffle plate is arranged between the first exhaust port and the second exhaust port, and is provided with an exhaust hole; the baffle plate is provided with a filter screen in the exhaust hole; and an exchange port is formed in the outer cylinder. The device is reasonable in structure and convenient to use, and effectively prevents such problems as unsmooth exhaust of an engine and difficult starting due to exhaust gas barrier from a filter layer caused by high displacement of engine exhaust gas.

Description

technical field [0001] The invention relates to the technical field of engine exhaust gas treatment, in particular to an engine exhaust gas filtering device. Background technique [0002] Such as figure 1 As shown, in the existing engine exhaust gas purification device, no matter it is a single tube or a double tube, it includes an exhaust pipe main body 1' and a positioning pipe 2', and one or more layers are arranged inside the exhaust pipe main body 1'. The filter layer 3' allows the engine exhaust to be filtered through the filter layer 3' and then discharged into the atmosphere. However, in the actual operation of the engine, the exhaust gas discharge is large, and the exhaust gas slows down the speed of entering the atmosphere because of the obstruction of the filter layer 3'. It is easy to cause problems such as poor exhaust of the engine and difficulty in starting. Contents of the invention [0003] Therefore, the object of the present invention is to provide an ...

Claims

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Application Information

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IPC IPC(8): F01N3/021F01N13/08
CPCF01N3/0217F01N13/082
Inventor 庄雅哲
Owner QUANZHOU HONGHUA CHEM FIBER PROD CO LTD
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