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A vehicle muffler that can use waste heat for catalytic reaction

A catalytic reaction and muffler technology, applied in mufflers, machines/engines, mechanical equipment, etc., can solve the problems of low space utilization and large volume, and achieve the effect of high space utilization and noise reduction.

Active Publication Date: 2020-09-18
HUAZHONG UNIV OF SCI & TECH +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Recovered heat can be used for waste heat recovery through heat exchange tubes, but it is generally bulky and the space utilization rate is not high

Method used

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  • A vehicle muffler that can use waste heat for catalytic reaction

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Embodiment Construction

[0017] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0018] Attached below figure 1 The present invention is further described. The invention is a muffler which can use waste heat to carry out catalytic reaction. The high-temperature gas enters through the exhaust inlet 1, some of the gas enters the rear resonance chamber 4 for noise reduction, and the rest of the gas enters the middle cavity of the silencer through the air hole of the silencer ...

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Abstract

The invention discloses a silencer capable of utilizing waste heat for carrying out a catalytic reaction. The silencer disclosed by the invention is mainly used for treating lots of waste high-temperature tail gas generated by engines and similar internal combustion engines. The device comprises a silencer and a spiral heat exchanger, wherein the silencer is provided with a front resonant cavity and a rear resonant cavity; the spiral heat exchanger is a hollow-core spiral pipe provided with a plurality of small holes in the pipe wall; and the pipe is internally filled with a catalyst. The silencer disclosed by the invention is capable of lowering the emission noise of the tail gas and carrying out a catalytic cracking reaction by virtue of the waste heat of the tail gas. The silencer disclosed by the invention integrates the silencer and a catalytic cracking structure, is high in space utilization rate, and meets the requirement of compact structure of an automobile body in the automobile field; and moreover, space arrangement for an automobile chassis is benefited, and change on the automobile chassis is not required. The device plays the roles of saving energy, reducing emission and lowering noise in the case of being applied to an automobile.

Description

technical field [0001] The invention relates to the technical field of automobile energy utilization, in particular to a muffler which can use waste heat to carry out catalytic reaction. Background technique [0002] Engines and similar internal combustion engines produce a large amount of waste high-temperature exhaust gas, which is unfavorable if it is directly discharged into the atmosphere. On the one hand, high-temperature exhaust gas is a source of noise, on the other hand, heat loss reduces energy utilization efficiency. These two issues are generally considered separately. Noise can be reduced by designing a muffler. Recovered heat can be recovered through heat exchange tubes for waste heat recovery, but it is generally bulky and the space utilization rate is not high. Contents of the invention [0003] In order to overcome the deficiencies of the prior art above, the present invention provides a vehicle muffler that utilizes waste heat for catalytic reaction, w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01N1/02F01N3/28F01N13/08
CPCF01N1/026F01N3/28F01N13/082F01N2240/02Y02A50/20
Inventor 徐波蒋炎坤汪勤稳胡江明
Owner HUAZHONG UNIV OF SCI & TECH
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