There are seven types of tuyere commonly used in ventilation engineering, including louver tuyere, diffamfan, nozzle, cyclone tuyere, seam tuyere, grille tuyere and special tuyere. The detailed classifications are given as follows:
1) louver tuyere: single-layer louver tuyere, double-layer louver tuyere, connected louver tuyere, etc.
2) Scatters: square rectangular scatters, circular scatters, disk scatters, etc.
3) nozzle: spherical nozzle and cylindrical nozzle.
4) cyclone air outlet: adjustable blade cyclone air outlet, step cyclone air outlet.
5) seam tuyere: straight sheet seam tuyere, double slot seam tuyere.
6) Grating tuyere: side wall grille tuyere, can open the side wall grille tuyere.
7) Special tuyere: self-vertical louver tuyere, shading tuyere, rain-proof louver tuyere, etc.