Homemade equipments were adopted in this line largely, as well as some proprietary and patent technology of NCDRI in firing system, coal dust burner and coal mill system.
该线大量采用国产化设备，烧成系统、窑头喷煤管、煤磨系统等应用南京院专有专利技术。
2
The technological transformation measures of hand firing platform heat treatment furnace are introduced in this paper. The transformation made smoke and dust eliminated as well as energy saved.
介绍了手烧煤台车式热处理炉的技术改造措施，改造后既解决了消烟除尘问题，又达到了节能的目的。
3
The main pollutants of coal-firing boilers include dust, sulfur oxide, nitrogen oxide and carbon dioxide.