Abstract
With some residual coal and much leaking air in gob area, fire happens frequently in those areas. Thus, it has become one of main factors of restricting mine development. With the technology of optical fiber pyrometer, the monitoring system has been designed for temperature distribution in coalmine gob area. In addition, by combining it with line laying system, power supply system, data collection system and data analysis system, temperature distribution in coalmine gob area could be monitored in time to provide firing warning of the spontaneous fire happening in the residual coal and fire would be reduced effectively. By comparing optical fiber thermometric system with the temperature measurement system, it shows that the former have a clear advantage in the aspects of time, the location of ignition point, reaction speed and costs maintenance.
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