A survey of atmospheric monitoring systems in U.S. underground coal mines.

J H Rowland, S P Harteis, L Yuan
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引用次数: 9

Abstract

In 1995 and 2003, the U.S. Mine Safety and Health Administration (MSHA) conducted surveys to determine the number of atmospheric monitoring systems (AMS) that were being used in underground coal mines in the United States. The survey reports gave data for the different AMS manufacturers, the different types of equipment monitored, and the different types of gas sensors and their locations. Since the last survey in 2003, MSHA has changed the regulation requirements for early fire detection along belt haulage entries. As of Dec. 31, 2009, point-type heat sensors are prohibited for use for an early fire detection system. Instead, carbon monoxide (CO) sensors are now required. This report presents results from a new survey and examines how the regulation changes have had an impact on the use of CO sensors in underground coal mines in the United States. The locations and parameters monitored by AMS and CO systems are also discussed.

美国地下煤矿大气监测系统调查。
1995年和2003年,美国煤矿安全与健康管理局(MSHA)进行了调查,以确定美国地下煤矿使用的大气监测系统(AMS)的数量。调查报告提供了不同AMS制造商、不同类型的监测设备、不同类型的气体传感器及其位置的数据。自2003年上次调查以来,MSHA已经改变了对带式运输入口早期火灾探测的规定要求。截至2009年12月31日,点式热传感器被禁止用于早期火灾探测系统。现在需要的是一氧化碳(CO)传感器。本报告介绍了一项新调查的结果,并探讨了法规的变化如何对美国地下煤矿中CO传感器的使用产生影响。讨论了AMS和CO系统监测的位置和参数。
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