The results show that a controlled blasting method by charging onout wall of pipe with the mixed RDX and TNT-NH 4NO 3 can effectively descale ash carrier pipe.

• 研究结果表明，将黑索金和硝铵炸药按一定比例混合，采用管外贴壁装药的控制爆破方法，可有效清除输灰管内的灰垢。