The welding workshop dust removal pipe sound insulation

Welding workshop dust removal pipe sound insulation welding workshop dust collector pipe sound insulation is to control or reduce the amount of noise pipe conveyed. Sound insulation measures commonly used are described below. Reasonable design of pipe, tube medium flow control fluid dynamic noise of fluid dynamic noise, generally can be controlled in pipeline design. When the pipeline design, should avoid drastic changes of the pipe cross section and flow; Confluence and shunt should avoid right Angle connection to the curvature of the bend radius should be greater than 3 times the pipe diameter; In addition, still should try not to make high-speed fluid spray directly into the fluid at low speed. Through the center of the variable diameter no greater than 60 Angle & deg; , according to the general experience of the pipeline flow noise approximately obey the 5 ~ 6 to the power law of flow velocity, so the pipeline design, on the premise of meet the technological requirements should make lower tube fluid speed. Welding workshop dust increase wall mass loss, acoustic processing increase the transmission loss of pipe wall? Don't usually adopted the practice of increasing the wall thickness, and USES the tube outer package. Tube outsourcing, according to the different situation, common has the following several kinds: a. With soft material such as glass wool blanket, foam around the pipes, the outside with a thin aluminum skin airtight diaphragm coated, plastic film, etc; b。 Asbestos cement outside diameter smudge or perfusion, closed-cell foam, such as damping materials, outside naked or other protective layer; c。 Outside the pipe cover sandbag or made of expanded perlite and other materials semicircular elements, with ring fixed; d。 Using a pipe casing double layer structure composed of additional, or the pipe laying in the gutter, sound insulation effect will increase significantly. Using soft connection, prevent pipeline vibration prevent pipeline vibration is through the soft connection is elastic connection between equipment and pipeline, it can reduce the solid sound throughout the &; The relay. The hose connection is also very widely used. Soft over the vibration isolation effect of noise reduction and blowing over the materials and structure of the medium pressure, reasonable length of hose, tube and pipe is fixed and installation. When the design must be fully considered.

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