常德欣同志:你给编辑部的信收到,来信提到氧气带为什么会爆破?是不是“因为氧气带长期使用,经风吹雨打,受氧气的氧化作用而磨擦自燃?我们认为,氧气带是不会“磨擦自然”的。正如信中所说,你们最近一次氧气爆破时,使用的是新管子。氧气带爆破是回火引起的。对于“火焰是怎样进到氧气里去的?”这个问题,我们想谈谈自己的肤浅看法。我们知道,氧-乙炔混合气是从焊炬或割 Comrade Chang Dexin: You have received a letter from the editorial department about the blasting of the oxygen belt. Is it because “because of the long-term use of oxygen gas, it is subject to friction and spontaneous combustion by the oxidation of oxygen. We believe that oxygen Belts will not ”rub on nature.“ As the letter says, you used the new tube for the last oxygen blast, and the oxygen blast was caused by tempering. ”How does the flame go in the oxygen? "We want to talk about this superficial view of this issue, and we know that oxy-acetylene gas is obtained from torch or cut