A noise reduction device for grain processing equipment

Abstract

This utility model discloses a noise reduction device for grain processing equipment, which includes a bag filter and a negative pressure generating tower. It innovatively modifies the installation area of ​​the dust collector fan by sealing it with a sound insulation board, which is the most effective way to isolate the vibration noise of the dust collector fan. This significantly reduces the vibration noise of the dust collector fan itself, the main noise source. Considering that a closed space is not conducive to heat dissipation of the dust collector fan, this utility model provides a separate heat dissipation vent on the shelf. To prevent noise from escaping through the heat dissipation vent, this utility model innovatively installs a resistive silencer pipe at the heat dissipation vent. Since increased resistance hinders heat dissipation, this utility model installs a heat dissipation hood at the upper end of the resistive silencer pipe. Under the influence of the internal and external temperature difference, the heat dissipation hood accelerates the internal airflow speed, reducing the main noise source while ensuring the heat dissipation of the dust collector fan.

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