Difficulty and Measures of Blast Furnace Coal Powder Injection Milling System in Winter Production

The coal powder injection systems of No.4BF and No.6BF of Baotou Steel Corp.mainly take two types of HP1103 medium-speed mill.The paper discusses the existing problems and difficulties of winter production of No.4 and No.6 BF coal transportation system in Baotou Steel (Group) Corp.It analyzes the influence of equipment hidden dangers on spray quantity and gives the corresponding measures.