摘要
在硐室、松散沙石中进行爆破，测定爆破烟尘与空气混合物中的CO、NO2浓度及粉尘浓度和空气温度，分析爆破烟尘中的CO的行为过程．混合物中CO浓度变化规律为：响炮后较短时间内随时间增加急剧增加，而后随时间增加而下降，迁移速率为0.2～2.7ppm／min。
During blasting the loose sand and rock masses, the densities of CO, NO, and dust, and the airtemperature were been detected. Based on the results of detecting, the process of CO's behaviour inthe blasting dust is analysed in this paper and the changing regularity of CO's density in mixture isgiven: after blasting the densit is increasing rapidly in a short time as time goes on; and then the densi-ty is decreasing as time goes on. The migration rate is 0. 2~2. 7ppm/min.
出处
《中国矿业》
1996年第1期70-72,共3页
China Mining Magazine
基金
国家自然科学基金
关键词
爆破
烟尘
迁移速率
一氧化碳
Blasting dust, CO's behavioral process, CO's migration rate
