《太平广记·卷三十一·神仙三十一》
于是他就修炉灶，置铁锅，拉风箱，烧柴薪，一干就是十年。但是他没有炼出丹来。
遂葺炉鼎，爨薪鼓鞴，积十年；而炼丹卒不成。
So he built a stove, placed an iron pot, pulled a bellows, and burned firewood. He spent ten years working on it, but he didn't refine the elixir.