Plate type fence segmentation and diversion muffler
A muffler and chip technology, applied in mining equipment, earth square drilling, mine/tunnel ventilation, etc., can solve the problems of large resistance loss and difficulty in exceeding the muffler value
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[0006] The realization mode of the present invention is to set up a group of sheet-type split flow diversion and noise reduction fences at the corners of the ventilation system. For example figure 1 As shown, it is arranged at the vertical (or horizontal) bend of the main ventilation duct of the subway. It consists of sheet-type diversion sound-absorbing body ①, connecting piece ②, and fixing bolts ③. The sheet-type diversion sound-absorbing body is installed according to the orientation shown in the figure: the sound-absorbing surface is perpendicular to the direction of sound wave transmission (or parallel to the wall at the top of the turn); the end of the split-guide is on the AC oblique line of the turn, and is installed in parallel and staggered according to a certain gap.
[0007] This kind of noise reduction fence composed of sheet-type diversion and sound-absorbing bodies has diversion and diversion effects on both forward and reverse airflows, fully eliminating eddy...
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