Report: APP CMHS Project 1

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5.2. Explosion Control

The explosion of gas and dust is often catastrophic and a number of leading technologies have been developed to reduce the risk of its occurrence. However, the explosion does occur from time to time, and a number of options have been suggested in this report for further development.

Current leading technologies successfully developed and applied in some of APP countries include:

  • risk based explosion management plan

  • tube bundle gas monitoring system

  • proactive goaf inertisation

  • wet stone dusting.

R & D requirements to address the gaps in explosion control technology and to meet future needs in APP countries include:

  • continuous dust level monitoring

  • early warning system

  • automatic explosion suppression system.

Australia has successfully applied a risk based explosion management plan, tube bundle gas monitoring system with gas chromatography and proactive goaf inertisation technology. The tube bundle gas monitoring system is being applied in China. These leading technologies are readily available to be transferred to other APP countries through training and demonstration projects.

As all APP countries face explosion risk in their underground coal mining, a collaborative approach is recommended to develop continuous dust level monitoring, early warning system and automatic explosion suppression system.

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