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Dust removal equipment pipe sound insulation design


The sound insulation design of the dust removal equipment pipe is to control and reduce the noise inside the dust removal pipe.

 

The sound insulation design of common dust removal equipment is as follows:

 

One: Dust removal manufacturers design ideal pipes to reduce fluid noise. The hydrodynamic noise generated by the flow inside the pipes is generally designed during the design of the pipes. 大于 3 倍管径 In the design of the pipeline, the cross-sectional area of the pipeline and the sudden change of the branching direction should be separated, and the straight connection should be avoided when converging and splitting. The elbow and radius are generally larger than 3 times the pipe diameter .

 

In addition, dust removal equipment manufacturers try not to design so that high-speed fluid is sprayed directly to low-speed fluid. 大于 60度。 The angle between the straight and reducing diameter of the pipe should not be greater than 60 degrees. 近从流速的 5-6 次方规律, 所以在除尘管道设计在面满足设计的前提下,要尽量让管内的流体的速度慢一点。 According to the experience of the dust removal manufacturer, the gas noise in the pipeline is close to the 5-6 power law of the flow velocity . Therefore, under the premise that the dust removal pipeline is designed to meet the design, the speed of the fluid in the pipeline should be slowed down as much as possible.


除尘设备管道图片


Two: Increase the supply loss of the pipe wall, and perform sound insulation treatment to increase the transmission loss of the pipe wall. Generally, the idea of increasing the thickness of the pipe wall is not designed, and the outer package is generally used. Packages outside the tube, combined with different situations, are generally divided into the following types

 

:用玻璃棉毡沫塑料等柔软材料绕在 除尘管道上,外面再加点薄铝皮、塑料膜等不透分的膜片包覆。 1 : Use a soft material such as glass wool felt foam to wind the dust removal pipe, and then cover it with a thin aluminum skin, plastic film and other impermeable membranes.

 

:在 除尘器设备风管径外加上灌注石棉水泥、闭孔泡沫塑料等材料,管道外面露出或在加护面层 2 : Adding asbestos cement, closed-cell foam and other materials to the duct diameter of the dust collector equipment, the outside of the pipe is exposed or the protective layer is added.

 

:在 打磨抛光除尘设备管道外增加砂袋膨胀珍珠岩等材料制成半圆形配置,在从外面固定。 3 : Add sand bag expansion perlite and other materials to make a semi-circular configuration outside the pipes of the polishing and dust removal equipment , and fix it from the outside.

 

设计管道外在加套管组成的双层结构把管道设计在地沟里面,隔声效果将理好。 4 : Design the double-layer structure consisting of the outer pipe and the casing . Design the pipe inside the trench, and the sound insulation effect will be well treated. See also: Sound insulation screen for dust removal equipment

 

Three: The design of the soft connection method can prevent pipeline vibration.

 

厂家在设计管道隔音时应考虑管道本身的材料、构造、软管的合理长度等,在设计时要考虑全面。 Manufacturers of dust removal equipment should consider the material, structure, and reasonable length of the hose when designing the sound insulation of the pipeline.

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