Man-machine-environment damage simulation test method during coal and gas outburst disaster

Abstract

The invention discloses a method for performing human-machine-ring damaged simulated test in coal and gas outburst catastrophic process. The method comprises the following steps: 1) assembling a laneway; 2) mounting sensors and a human-machine model; 3) mounting a camera and a high-speed camera; 4) manufacturing briquette coal and sealing a box body; 5) performing outburst inoculation; 6) starting outburst; and 7) ending the test. The migration condition of coal powder in the laneway and the human-machine-ring damage condition after coal and gas outburst occurs can be observed directly by adopting a simulated laneway form and through the high-definition camera and the high-speed camera, and different signals are acquired by the sensors arranged at different positions in the laneway and are treated synchronously, and visualization of coal and gas outburst is realized; and according to the test method, the on-site working condition can be restored to the greatest extent, the advantages of changeable laneway forms, rich acquired signals, operation safety and the like are achieved, and a new test means and method are provided for research on the human-machine-ring disaster-caused mechanism by the coal and gas outburst.

Description

technical field [0001] The invention relates to a damage simulation test method of "man-machine-environment" in the process of coal and gas outburst disaster. Background technique [0002] When coal and gas outburst occurs, a large amount of stormy gas-coal powder flow is injected into the shaft in a short period of time, destroying mine facilities, causing casualties, or causing gas explosion, which seriously threatens mine safety. Coal and gas outburst is the most complex dynamic disaster phenomenon caused by underground excavation. From theory to experiment, scholars at home and abroad have conducted a lot of research on the general conditions of coal and gas outburst, the mechanism of coal and gas outburst, outburst prediction technology and outburst prevention measures, and have made great progress in all aspects. [0003] Because it is too dangerous to carry out all-round real-time tracking research on the coal and gas outburst process on site, most researchers explor...

AI Technical Summary

Problems solved by technology

[0004] However, the design of the existing simulation test devices is relatively single, and it is impossible to simulate the mine roadway network more realistically. In particular, there are few reports on the "man-machine-environment" damage simulation test system and method in the process of coal and gas outburst; sensor layout The method is simple. When studying the propagation law of the two-phase flow, the existing devices are all equipped with sensors on the wall of the roadway, which cannot obtain the parameters of the middle part of the coal-gas two-phase flow migration section, and cannot carry out real migration characteristics. In-depth research; the data collection is relatively simple, and the collected data cannot be used to carry out in-depth research on the disaster-causing mechanism of coal and gas outbursts; the degree of visualization is insufficient, and the real migration form of the coal-gas two-phase flow is still unclear clear

Images