In the other hand ,the denseness materials were studied in application utilizing ,the materials were also used into fire extinguishing and preventing in Jining No.2 coal mine under its special style .

• 其次对粉煤灰稠化剂这一激活产品进行了应用性研究，结合防灭火注粉煤灰浆特定的工艺在济宁二号煤矿井下防灭火实际中得到应用。