40results about How to "Reduce excessive noise" patented technology

The utility model discloses a sound insulation device for sand blasting, which comprises a shell and a base, the surface of the shell is provided with the base, the top of the shell is provided with a cover body, the top of the shell is provided with a feed port, the bottom of the feed port is provided with a processing box, and the bottom of the shell is provided with a discharge port. By means of the soundproof box and the internal structure of the soundproof box, the problem that noise is too large in the sand blasting process is solved, the influence on the surrounding environment is reduced as much as possible, the probability of noise transmission is effectively reduced to a certain degree, and secondly, the overall sealing performance is improved to a certain degree by means of the cover body and the internal structure of the cover body, so that a better dustproof effect is achieved.