摘要:介绍开工烧嘴的使用情况及结构特点、工作原理、检修程序和方法,探讨如何提高开工烧嘴的检修效率。针对烧嘴铜头和不锈钢头存在不同程度的偏烧现象,使用专用工具,缩短不锈钢头与枪体焊接前的组对时间。将“O”型圈的横截面积修改后,可显著提高开工烧嘴的使用寿命和点火次数。%The service and structural features,work principle,maintenance procedure and method of start-up burner are introduced, how to improve the maintenance efficiency of the start-up burner is discussed. Aiming at the one-sided burns in a different extent on bo