Research Article
Prediction Model for Spontaneous Combustion of Coal around Boreholes Using Bedding Gas Drainage
Table 2
Spontaneous combustion time.
| Serial number | Negative pressure drainage (kPa) | Sealing length (m) | Sealing depth (m) | Seam temperature (K) | Time (d) |
| 1 | 23 | 10 | 23 | 321.15 | 250 | 2 | 23 | 8 | 18 | 308.15 | 109 | 3 | 35 | 8 | 20 | 316.15 | 66 | 4 | 35 | 13 | 23 | 308.15 | 551 | 5 | 35 | 6 | 18 | 321.15 | 39 | 6 | 18 | 8 | 23 | 312.15 | 401 | 7 | 35 | 10 | 15 | 312.15 | 76.5 | 8 | 18 | 6 | 15 | 308.15 | 83 | 9 | 30 | 10 | 20 | 308.15 | 145 | 10 | 30 | 13 | 18 | 312.15 | 151 | 11 | 23 | 13 | 15 | 316.15 | 98 | 12 | 23 | 6 | 20 | 312.15 | 82 | 13 | 18 | 13 | 20 | 321.15 | 594 | 14 | 30 | 8 | 15 | 321.15 | 60 | 15 | 30 | 6 | 23 | 316.15 | 69 | 16 | 18 | 10 | 18 | 316.15 | 164 |
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