Mechanism of Increasing the Permeability of Water-Bearing Coal Rock by Microwave Steam Explosion

Figure 1

Test process of microwave heating of water-bearing coal rock: (a) coal samples, (b) WUHUAN ZK-2020 vacuum drying oven, (c) Di Heng 456A electronic balance, (d) HH-S constant-temperature water bath box, (e) New Sail microwave oven, and (f) MesoMR23-060H NMR testing instrument.