Muffler tail pipe for gas engine

Abstract

The invention discloses a muffler tail pipe for a gas engine. The muffler tail pipe comprises a muffler tail pipe shell, and the inside surface of one side of the muffler tail pipe shell is provided with a filter silencing mechanism; and the inside surface of the muffler tail pipe shell is fixedly connected with a separating wall device, and the outside surface of the middle part of the separatingwall device is provided with a convection effect silencing mechanism. According to the muffler tail pipe, through the filter silencing mechanism, the silencing and filtering effects can be improved under low temperature conditions; through the separating wall device, the tail pipe is divided into a plurality of cavities, so that the probability of emission and collision of waste gas in the cavities is improved; the energy of the waste gas is consumed so that noise is reduced; through the convection effect silencing mechanism, by using the bypass pipe phenomenon, acoustic waves in the four cavities interact with each other through average flow convection effects induced by bypass pipes, and finally the energy is reduced, so that the noise cancellation effect is achieved; and low frequencynoise can be cancelled effectively, and the frequency bandwidth of the noise which can be cancelled is increased.

Description

Technical field [0001] The invention relates to the field of silencers, in particular to silencer tail pipes for gas engines. Background technique [0002] The muffler tail pipe for gas engines is a device that can consume the exhaust gas from the gas engine and discharge it to reduce noise. It is convenient to use and has been widely used. However, with the development of science and technology in the era, people The functional requirements of engine silencer tail pipes are also increasing. [0003] In the process of use, the muffler tail pipe for gas engines can perform the following operations: by allowing the exhaust gas to undergo multiple reflections, collisions, and expansions in the muffler, the energy of the exhaust gas is consumed after this process, and the exhaust gas is discharged. The pressure is reduced, and when the low-energy exhaust gas exits the muffler, it will no longer produce excessive noise. [0004] Although the existing muffler tail pipe for gas engine is ...

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Problems solved by technology

[0004] Although the existing gas engine muffler tailpipe is simple in structure and easy to use, it has a single function. The existing gas engine muffler tailpipe cannot have good noise reduction and filtering effects at low temperatures during use, and has a certain disadvantages, the existing gas engine muffler tailpipe can not maximize the reflection and collision of the exhaust gas in the tailpipe during the working process, and consume the energy of the exhaust gas to reduce the generation of noise, which has certain adverse effects. The existing gas engine The engine muffler tailpipe cannot effectively eliminate low-frequency noise and cannot increase the frequency bandwidth that can eliminate noise when used, which has certain adverse effects. For this reason, we propose a gas engine muffler tailpipe

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