通过引邻炉热风、调整磨煤机运行方式解决了煤粉制备问题；
Through diverting hot air from neighbouring boiler and adjusting operation mode of tube mills, the problem of pulverized coal preparation was solved;
制备了不同细度的实验煤粉和煤焦，并对其物理化学特性进行了实验研究。
Various size of pulverized coal and char were prepared for experiments, also their physical and chemical characters were experimentally analyzed.
采用重力分离SHS法制备了陶瓷内衬煤粉喷枪枪管。
Ceramic-lined coal-spurting gun pipes have been produced by gravitational separation SHS method.
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