System and method for detecting goaf air leakage under gob-side entry retaining mining in real time
A technology of real-time detection and air leakage, which is applied in the direction of detecting the appearance of fluid at the leakage point, measuring devices, and using liquid/vacuum degree for liquid tightness measurement, etc., which can solve the problem of long detection time and the inability to obtain the underground goaf as soon as possible Air leakage in the area, large manpower consumption and other problems, to save manpower, realize unmanned operation start, and reduce production costs
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[0026] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0027] Such as Figure 1~4 As shown, the present invention discloses a system for real-time detection of air leakage in gobs under goaf mining. The system performs data transmission in a wireless manner, including a tracer gas release device 5, a detection tracer gas release device 5 and a working The laser distance measuring device 6 for the distance between the planes 2, the ground controller and several tracer gas collection and detection devices, the tracer gas release device 5 and the laser rangefinder 6 are installed at the same position in the air inlet lane 1, and the tracer gas release The distance between the installation position of device 5 and laser distance measuring device 6 and working face 2 is 25 to 35 meters. Laser ranging device 6 can detect the distance between tracer gas release device 5 and working face 2 in real time. The tracer gas ca...
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