【摘要】 分析了煤矿风井防爆门存在的漏风、密封液选择、使用比较困难和开闭不便等问题及其原因,并针对这些问题对防爆门的型钢圈和平衡重锤进行了改进设计,实践证明,改造后的新型防爆门性能明显优于改造前,提高了煤矿风井防爆门的安全可靠性,具有一定的推广价值。更多还原

【Abstract】 Analyses the features and the problems of the explosion door of the air shaft and improves the structural steel ring and the balance weight of door.It is proved by the application that the performance of the improved explosion door of the air shaft is better obviously than before.更多还原