入冬,对室外操作的气焊工米说,化冻乙炔管带是比较麻烦的事。传统解决方法是用炉火烤或用开水烫,管带用一段时间后还会受冻,既浪费时间又危险。我利用电石吸潮的原理,试做了一个带有过滤的小罐。经过一个 When entering the winter, the operator of outdoor gas-fired welders said that purifying the acetylene pipe is a nuisance. The traditional solution is to roast with fire or scald with boiling water, and the tube strips will be frozen after a period of time, which is a waste of time and danger. I used the principle of calcium carbide to absorb moisture and tried a small can with a filter. After a