Dynamical characteristics of gas explosion and its transmission process during the course of coal resource exploitation were studied, and the preventive measures og gas explosion were discussed.

研究了煤炭资源开采过程中诱发的瓦斯爆炸机理及其传播过程中的动力特性，探讨了瓦斯爆炸事故的预防对策。

youdao

After injection coal, the distribution of gas flow and ratio of heat flows inside the blast furnace will change. Some measures should be taken to ensure the stability of the furnace.

高炉喷煤后，炉内的煤气流分布和热流比均发生变化，高炉必须采取与之相对应的调剂措施，才能维持高炉的稳定顺行；

youdao

Gas explosion is major disasters in coal mines, so is coal-dust explosion. Therefore, it is very important to analyze the causes of the explosion and make preventive measures.

煤尘爆炸同瓦斯爆炸一样都属于矿井中的重大灾害事故。因此，分析煤尘爆炸原因，制订防治措施，显得特别重要。

youdao