The negligible operational noise of
fog cannons must adhere to an 85-
decibel control standard. The primary
sources of noise in fog cannons include
the fan, high-pressure pump, and the
jet fan in the air delivery system.
These noises mainly stem from
rotating and eddy current components,
which collectively form aerodynamic
noise. Rotating noise varies with
impeller load, dominating at higher
flow rates, while eddy current noise,
characterized by a broadband
spectrum, prevails at lower flow
rates.
To mitigate these issues,fog cannons are designed with
high-flow,high-thrust fans,thereby emphasizing rotating
noise. Effective noise reduction methods involve
employing jet fans equipped with silencers within the fan
casing and utilizing high-strength nylon blades to minimize
operational noise.
→fog cannon dust suppression system
It's crucial to adhere strictly to technical specifications
during fan production, as altering air outlet sizes arbitrarily
can increase noise levels beyond acceptable national
standards.
Fog cannons are designed to meet national noise
standards through precise engineering of their
components.The selection of materials and the
configuration of fan blades play pivotal roles in noise
reduction strategies. High-strength nylon blades are
chosen for their ability to dampen sound while ensuring
efficient operation. Additionally, careful attention to the
design of the fan casing, including the integration of jet
fans with silencers, significantly contributes to minimizing
operational noise.
→dust suppression water cannon
Moreover, maintaining consistent airflow dynamics is
crucial for optimizing noise levels across varying
operational conditions. Manufacturers adhere strictly
to technical specifications during production to ensure
performance reliability and noise control efficacy. By
focusing on these design principles and engineering
practices, fog cannons achieve both effective dust
suppression capabilities and minimal environmental
disturbance.
