Choose grinding dust removal machine muffler matters needing attention

Choosing grinding dust removal machine muffler should pay attention to the following 1, choosing grinding dust removal machine muffler choice should be based on the level of noise characteristics of the fan, industrial enterprise noise health standard, the standard of the environmental noise and background noise to determine the required reduction in volume 2, grinding dust collector machine muffler should decrease greatly in wide frequency range. For eliminating noise, which is mainly composed of intermediate frequency, can choose expansion muffler; To eliminate is given priority to with middle and high frequency noise, can choose the resistance muffler; Can be chosen to eliminate the broadband noise, impedance compound muffler, etc. 3, when the airflow through grinding dust removal machine muffler moisture or dust content is large, unfavorable choose resistance muffler. Eg: 4, grinding dust elimination should be on the premise of meet the muffler noise reduction, as far as possible do small volume, simple structure, convenient work and maintenance, low cost, long service life, airflow through the pressure loss is small. 5, channel flow velocity of airflow through grinding dust removal machine muffler general control within 5 ~ 15 m/s, to avoid to produce renewable noise. 6, choose rated airflow grinding dust removal machine muffler should not be less than the practical air volume of fan. 7, grind the silencer dust removal machine installation, is apart from the muffler into ( A) 1. 5 ~ 2 m place should have no the obstacle, and pay attention to avoid other noise sources, so as not to affect the use effect of muffler is normal. 8, grinding dust collector machine muffler with the fan connection flange diameter, can deserve to meet variable diameter tube transition, but equivalent Angle should not be greater than 30 & deg; , should avoid rigid connection between connecting flange, and pay attention to the sealing, prevent gas leakage, leakage 9, muffler can according to the actual need to install any place in space, but should pay attention to the muffler. Unable to bear the weight of the foreign muffler. 10, grind the silencer dust removal machine should be installed inside a smooth flow channel section, especially to avoid installed in pipe elbow. 11, by grinding the dustiness of the gas dust collector machine muffler should be below 100 mg/m3, otherwise to be equipped with air filter, in effect use effect muffler use after period of time, if encounter heavy effect is reduced, can only use dry brush cleaning dust, and can't wash with water. 12, through grinding media are not allowed to contain water mist duster muffler, oil mist and corrosive gas. Muffler stay in transportation and moisture, anti-fouling measures before, lest affect normal use of the effect in the future.

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