山东煤炭科技
山東煤炭科技
산동매탄과기
Shandong Coal Science and Technology
2014年
10期
87-88
,共2页
自燃煤层%采空区发火%粉煤灰胶结防灭火材料
自燃煤層%採空區髮火%粉煤灰膠結防滅火材料
자연매층%채공구발화%분매회효결방멸화재료
spontaneous combustion of coal%ignition in goaf%lfy ash cementitious ifre prevention materials
某煤矿开采的3煤层为Ⅱ类自燃煤层，最短发火期为18天，为有效地控制采空区发火，达到防灭火目的，矿井决定采用粉煤灰胶结防灭火材料进行注浆防灭火，确定合适的防灭火注浆系统。
某煤礦開採的3煤層為Ⅱ類自燃煤層，最短髮火期為18天，為有效地控製採空區髮火，達到防滅火目的，礦井決定採用粉煤灰膠結防滅火材料進行註漿防滅火，確定閤適的防滅火註漿繫統。
모매광개채적3매층위Ⅱ류자연매층，최단발화기위18천，위유효지공제채공구발화，체도방멸화목적，광정결정채용분매회효결방멸화재료진행주장방멸화，학정합괄적방멸화주장계통。
3 coal seam of a coal mining is class II of spontaneous combustion coal, The shortest combustion time is for 18 days, in order to effectively control the ignition in goaf, achieve the purpose of ifre prevention and control, this paper used lfy ash cementing grouting materials for ifre prevention, and determined the suitable ifre prevention and extinguishing grouting system.
