关键词: 自然通风加热炉, 燃烧器, 调风门, 挡板, 抽力, 过剩空气

Abstract: This paper introduces the burner structure of the general natural draft furnace and the points for attention in the process of installation and ignition. It summarizes the key operations of key components such as burner gun, wind box, burner tiles and air register before and after burner ignition in particular. The paper also focuses on the introduction and summary of the draft and excess air regulation methods of natural draft furnace, which is of great guiding significance for the safe and stable operation of furnaces.

Key words: natural draft furnace, burner, air damper, damper, draft, excess air