Prevention of Frictional Ignition on Longwall Sections.
J Mines Met and Fuels Longwall Mining Dev -special Number June- 1989 Jul; :261-265
The increased use of mechanical mining equipment coupled with the development of gassier coal seams has led to a reported increase in the annual frequency of methane ignitions by friction in American coal mines. Ignitions on longwall sections have shown a steady increase over the past two decades, more or less matching the growth in longwall utilization in the United States. Several remedial measures have been identified for controlling frictional ignitions. Two of these, improved cutter bits and directed water sprays, have been successfully applied in operating U.S. coal mines. These two methods are discussed in some detail with emphasis on their application in longwall mining.
J. Mines, Met. and Fuels (Longwall Mining Dev.-special Number), June- July 1989, PP. 261-265
We take your privacy seriously. You can review and change the way we collect information below.
These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. They help us to know which pages are the most and least popular and see how visitors move around the site. All information these cookies collect is aggregated and therefore anonymous. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance.
Cookies used to make website functionality more relevant to you. These cookies perform functions like remembering presentation options or choices and, in some cases, delivery of web content that based on self-identified area of interests.
Cookies used to track the effectiveness of CDC public health campaigns through clickthrough data.
Cookies used to enable you to share pages and content that you find interesting on CDC.gov through third party social networking and other websites. These cookies may also be used for advertising purposes by these third parties.