天气预报15天查询> 科学> 雷管爆炸原理

雷管爆炸原理

更新时间: 2021-03-20 19:05:55     

1、利用混合气体充满小塑料管,起爆后爆轰波传播引爆的雷管。它与导爆管雷管的区别是,有进气和出气两根导管用以传递爆炸信息。这种雷管和起爆网络在起爆前可用仪表检测。

2、雷管是爆破工程的主要起爆材料,它的作用是产生起爆能来引爆各种炸药及导爆索、传爆管。雷管 分为火雷管和电雷管两种。煤矿井下放灮均采用电雷管。电雷管分为瞬发电雷管和延期电雷管。而延期电雷管又分为秒延期电雷管和毫秒延期电雷管。

3、弹药、炸药包等的发火装置。一般用雷汞等容易发火的化学药品装在金属管里制成。

关键词: 雷管 爆炸 原理

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-1849974/ | 耗时:0.6966 s | 内存:1.89 MB | 查询:6 | 缓存读取:4 写入:2 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=1849974 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1849974 LIMIT 0,1
SELECT * FROM tbl_categories where CategoryID=90034 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1849974 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(203438,119041,190953,493892,214716,620006,317531,344665,161595,130757,148883,327909,336050,173317,448250,272456,125166,275995,380714,246627,436605,211038,297670,404778,172979,563101,300351,385726,1127435,124741) ORDER BY field (ArticleID,203438,119041,190953,493892,214716,620006,317531,344665,161595,130757,148883,327909,336050,173317,448250,272456,125166,275995,380714,246627,436605,211038,297670,404778,172979,563101,300351,385726,1127435,124741)
SELECT ArticleID,Title FROM tbl_Articles where CategoryID=90034 ORDER BY ArticleID DESC LIMIT 20