Research And Application About Prediction Method Of Temperature And Humidity In Coal Mine

Along with the development of mining industry, underground temperature is getting higher with the increasing depth of mine mining. High temperature of deep shaft hazard has already become one of the grave issues of constraining coal mining safety, so the heat-harm of coal mine has thus become an urgent and undeniable problem. In order to control the heat hazards, it is necessary to predict underground mining area thermal environment firstly. Specialized studies on the prediction of airflow temperature and humidity of the domestic and international scholars have put forward many practical calculation methods. Based on previous studies, this paper explores a different phenomenon of airflow and surrounding rock heat exchange, and compares the measured values with the simulated data of the roadway based on the result.Based on the theoretical model of three-dimensional surrounding rock temperature field, this paper mainly simulated the temperature and the humidity in the underground tunnel of coal mine, and established a mathematical functional model which can be used in mine ventilation network analysis. Also, by taking horizontal roadway and sloping roadway as the research object, this theory explored the air temperature and humidity distribution characteristics under various conditions such as heat conduction, water evaporation and condensation, and air compression and expansion. It proved that a single mine tunnel simulation formula can calculate any roadway airflow temperature and humidity in the mine ventilation network, On Tao mine underground temperature variation were simulated and measured values of different roadway conditions in mine and different ventilation time, by theoretical calculation formula for the simulation calculation, comparing the actual verify the simulation calculation results and actual measurement result, practice prove Ming after further improve the computational model of the calculation results accuracy can meet the requirements of the actual situation.