A multi-pipe dense phase transformation technique is used in the process and the injection rate can be controlled for single tuyere.This process can work with pulverized bitumenite.

• 石钢喷吹煤粉工艺采用多管路浓相输送技术，可实现按风口调节和控制喷煤量，具备喷吹烟煤的条件；