Research Article

Experimental Study on Desorption Characteristics of Coalbed Methane under Variable Loading and Temperature in Deep and High Geothermal Mine

Figure 4

Test system. 1–drainage recorder; 2–balance; 3–three-axis pressure system; 4–control valve; 5–vacuum container; 6–vacuum container; 7–pressure gauge; 8–control valve; 9–gas tank; 10–helium tank.