How to eliminate pneumatic valve noise
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Pneumatic valve is a kind of industrial equipment that uses compressed air to produce a drive,it will cause equipment damage due to variety of misoperation and other facotrs,often encounted equipment failure including large noise,and the generation of noise is also divided into many kinds,so how about this problem?
1.Eliminate resonace noise
When the regulating valve resonates,it sometimes produces a sound of more than 100 decibels of the superpostion of energy,which is strong noise,and sometimes it is manifested as a very weak vibration,but the noise is large,and there is also a small noise but the vibration is very strong,and even noise and vibration are relatively strong.Therefore,different methods should be adopted in the face of complex noise situations.
2.Use thick-walled pipes
Generally,the use of a thinner tube wall on the valve body may increase the noise by about five decibels,and if the thick wall tube can reduce the sound of about ten decibels,it can be seen that the noise reduction effect is good,so it is necessary to use the thicker wall as much as possible to reduce the noise,but also consiedr the cost of the cost and the effect of the pneumatic valve.
3.Sound-absorbing material method
This method is to use raw materials that can absorb noise to wrap the noise source and valve body pipeline,this method is also a more ideal and common method,but it should be noted that where the sound-absorbing material is wrapped,the effect of noise elimination will continue to where,so if you want to eliminate more noise,it is not recommended to use this material,because the cost will be more.
4.Sound insulation method
The pneumatic valve body itself and the nosie source are isolated in a sound insulation boxor some houses and buildings with no people. so that external noise heard by people is reduced.