Gas particulate traps and vehicle exhaust particulate traps

A particle trap, motor vehicle technology, applied in machine/engine, chemical instruments and methods, mechanical equipment, etc., can solve problems such as increasing engine back pressure and fuel consumption, and achieve improved reliability, reduced back pressure, and space adaptation. powerful effect

Active Publication Date: 2020-09-11
BEIJING INST OF NANOENERGY & NANOSYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to filter smaller particles, the pore size of the filter needs to be reduced, but this will increase the back pressure and fuel consumption of the engine

Method used

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  • Gas particulate traps and vehicle exhaust particulate traps
  • Gas particulate traps and vehicle exhaust particulate traps

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Embodiment Construction

[0030] The present disclosure provides a particulate matter trap in gas, especially a particulate matter trap for motor vehicle exhaust. Common frictional electrification materials have a low melting point and are difficult to use in the purification environment of motor vehicle exhaust gas, and at the same time improve the utilization of materials in the process of triboelectrification Efficiency, thereby improving the particle capture efficiency. The motor vehicle exhaust particle trap of the present disclosure adopts temperature-resistant materials such as silicon oxide, cordierite, mica, ceramics, etc. According to the temperature requirements of the motor vehicle emission environment, the above-mentioned one or more materials are made into particles with a diameter of 1-5mm, and they are put into the cavity structure of the motor vehicle exhaust particulate filter to form a triboelectric particulate filter. The triboelectric particle filter is installed on the motor vehic...

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Abstract

The invention provides a catcher for particulate matters in gas and a motor vehicle tail gas particulate matter catcher. The catcher for the particulate matters in the gas comprises a shell, a gas inlet pipe, a plurality of porous partition plates and a gas outlet pipe, the gas inlet pipe is arranged at the lower portion of one side of the shell and serves as an inlet for the gas containing the particulate matters, the plurality of porous partition plates are arranged in the shell and are horizontally arranged in a cavity in a layered mode from bottom to top, a plurality of purification unitsare arranged on each layer of porous partition plate, the gas outlet pipe is arranged at the upper portion of the other side of the shell and serves as an outlet for the filtered gas. In the motor vehicle tail gas particulate matter catcher, air flow is fully contacted with the purification units, so that the filtering efficiency is improved, meanwhile, the cross sectional area is large when the gas pass through the purification units, so that the back pressure is reduced, the purification units adopt a high-temperature-resistant material, so that high-temperature loss in the tail gas environment is avoided.

Description

technical field [0001] The present disclosure relates to the field of particle traps, in particular to a particle trap in gas and a motor vehicle exhaust particle trap. Background technique [0002] With the deepening of my country's industrialization and urbanization, energy consumption is increasing, and the form of air pollution is also becoming more serious. The regional atmospheric environment characterized by inhalable particulate matter (PM10) and fine particulate matter (PM2.5) is becoming increasingly serious. protrude. According to the statistics of the environmental protection department, the tail gas emitted by motor vehicles is the main source of urban PM2.5. [0003] Capturing particulate matter in motor vehicle exhaust is an effective way to reduce urban PM2.5. At present, the existing technologies mainly use physical filtration to remove particulate matter in exhaust gas, such as the particulate filter (Diesel particular filter, DPF) used in diesel vehicles....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01N3/033F01N3/01B01D50/00B03C3/017B03C3/28
CPCB01D50/00B03C3/017B03C3/28F01N3/01F01N3/033Y02A50/2351
Inventor 王杰王炜赵华波其他发明人请求不公开姓名
Owner BEIJING INST OF NANOENERGY & NANOSYST
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