| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of measuring a temperature distribution in stored coal for precisely measuring temperature of a center of stored coal, a method of efficiently preventing spontaneous combustion in stored coal, and a temperature distribution measuring system of stored coal.SOLUTION: This temperature distribution measuring method of stored coal includes a process of embedding, in stored coal, a plurality of RFID tags each having a temperature sensor and for transmitting temperature information measured by the temperature sensor together with its tag ID information (identification information) by means of a radio wave having a frequency of 1 GHz or less, a process of generating a database in which at least embedded positions of the RFID tags embedded in the stored coal and the tag ID information are recoded, and a process of collating a result obtained by specifying at least the tag ID and the temperature based on the database and the received radio wave of the RFID. |
