Burners with auxiliary primary air holes

摘要

this research is the first form of the valve on the mixing tube (30), on the installation, along the direction of the first valve (22) to form a circular burner body (20), and with the radial nerve (12) installed in the. a burner body (20) in order to don't put the circular head (10), and the composition of the first valve (22), and the diameter of 1mm burning occurrence of arthritis, pull the skin and yellow yellow tip to prevent the effect.