Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Initiative regeneration particulate filter and control method

A particle trap and active regeneration technology, which is applied in the direction of engine components, combustion engines, machines/engines, etc., can solve the problems of poor regeneration effect, poor safety, uneven electric heating, etc., and achieve small heat transfer gradient and uniform heating , the effect of uniform heat transfer

Pending Publication Date: 2018-11-06
DONGFENG COMML VEHICLE CO LTD
View PDF8 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The first purpose of the present invention is to overcome the defects and deficiencies of uneven electrical heating, poor regeneration effect and poor safety in the prior art, and provide an active regeneration particle trap

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Initiative regeneration particulate filter and control method
  • Initiative regeneration particulate filter and control method
  • Initiative regeneration particulate filter and control method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] see figure 1 and figure 2 , an active regeneration particulate filter of the present invention, comprising a housing, a filter body 1, an electric heating active regeneration system 2, an air inlet pipe 3, and an air outlet pipe 4, the front end of the housing is connected to the air inlet pipe 3 through a flange 5 The rear end of the shell communicates with the outlet pipe 4 through the flange 6, the flange 5 is fixed by the bolt 7, the flange 6 is fixed by the bolt 8, and the shell is a cavity shell 9, so The electric heating active regeneration system 2 is composed of a hollow shell 9, an electric heating device 10, and a heat transfer oil 11 of a low-melting mixture of biphenyl and biphenyl ether. The hollow shell 9 is a hollow tube with an interlayer The inner hole of the hollow tube is attached to the cylinder outer surface of the filter body 1, the inner bottom of the interlayer of the hollow tube is filled with biphenyl and biphenyl ether low-melting mixture t...

Embodiment 2

[0070] see image 3 and Figure 4 , an active regeneration particulate filter of the present invention, comprising a housing, a filter body 1, an electric heating active regeneration system 2, an air inlet pipe 3, and an air outlet pipe 4, the front end of the housing is connected to the air inlet pipe 3 through a flange 5 The rear end of the shell communicates with the outlet pipe 4 through the flange 6, the flange 5 is fixed by the bolt 7, the flange 6 is fixed by the bolt 8, and the shell is a cavity shell 9, so The electric heating active regeneration system 2 is composed of a hollow shell 9, an electric heating device 10, and a heat transfer oil 11 of a low-melting mixture of biphenyl and biphenyl ether. The hollow shell 9 is a hollow tube with an interlayer The inner hole of the hollow tube is attached to the cylinder outer surface of the filter body 1, the inner bottom of the interlayer of the hollow tube is filled with biphenyl and biphenyl ether low-melting mixture t...

Embodiment 3

[0087] see figure 2 and Figure 5 , an active regeneration particulate filter of the present invention, comprising a housing, a filter body 1, an electric heating active regeneration system 2, an air inlet pipe 3, and an air outlet pipe 4, the front end of the housing is connected to the air inlet pipe 3 through a flange 5 The rear end of the shell communicates with the outlet pipe 4 through the flange 6, the flange 5 is fixed by the bolt 7, the flange 6 is fixed by the bolt 8, and the shell is a cavity shell 9, so The electric heating active regeneration system 2 is composed of a hollow shell 9, an electric heating device 10, and a heat transfer oil 11 of a low-melting mixture of biphenyl and biphenyl ether. The hollow shell 9 is a hollow tube with an interlayer , the inner hole of the hollow tube is attached to the outer surface of the cylinder of the particle trap filter body 1 and the catalytic oxidizer 17, and the inner bottom of the interlayer of the hollow tube is fil...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses an initiative regeneration particulate filter and a control method, and belongs to the technical field of exhaust gas purifying. The particulate filter comprises a shell, a filter body (1), an electric heating initiative regeneration system (2), a gas inlet pipe (3) and a gas outlet pipe (4), and the electric heating initiative regeneration system is composed of a cavity shell (9), an electric heating device (10) and heat conduction liquid (11). The cavity shell (9) is a hollow pipe with an interlayer, an inner hole of the hollow pipe is attached to the outer surface ofa cylinder of the filter body (1), the heat conduction liquid (11) is injected into the bottom in the interlayer of the hollow pipe, and the electric heating device (10) is installed at the bottom ofthe interlayer of the cavity shell (9). The control method comprises the steps that when the difference between an inlet pressure sensor (151) and an outlet pressure sensor (152) is greater than or equal to a specified value, the electric heating device (10) is powered on, and when the difference is less than the specified value, the power supply of the electric heating device (10) is cut off. The heating is uniform, the energy consumption is less, and the regeneration effect and safety are good.

Description

technical field [0001] The invention relates to a particle trap and a control method, in particular to an actively regenerated particle trap and a control method, and belongs to the technical field of engine exhaust gas purification. Background technique [0002] At present, it is widely used in the engines of automobiles, construction machinery, agricultural machinery, train tractors and ships, which emit a large amount of particulate matter during work, which not only causes serious harm to human health, but also causes serious pollution to the environment. To this end, the industry has invested a lot of manpower and material resources to research various ways of engine particulate matter after-treatment technologies and products, which have made a huge contribution to the improvement of engine emission levels. The deposition of particulates inside the DPF will increase the pressure drop at both ends and affect the performance of the engine. Therefore, it is necessary to r...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): F01N3/027F01N3/035F01N3/10F01N9/00F01N13/00
CPCF01N3/027F01N3/035F01N3/106F01N9/002F01N13/008Y02T10/40
Inventor 陈旭杨细元冯坦陈猛张远赵文冉刘凤阳刘君彦余立轩王启琛
Owner DONGFENG COMML VEHICLE CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com