| Following the implementation of the "deep prospecting" strategy, the depth of mine in our country will become deeper in the future. At the same time, with the increase of mining depth, the harm-heat which was called one of the four largest disasters in mine will become more and more serious. Consequently, control the harm-heat in deep mine is an increasingly important issue.Through extensive literature research and laboratory simulation experiments, the main research contents and conclusions of thesis are as follows:(1) A new heat control method&technology was proposed that by study in existing heat control technology, and link up with a special energy——mine water energy which was exited during mining. A new experimental apparatus called hydraulic-driven fan & heat exchanger was also designed and made, which can change hydropower to wind energy, and has a function of heat convection.(2) From the standpoint of the large quantities of total water consumption in mining, there has great potential energy (mine water energy) can be reused during mining. But also pointed out that there still have to link up with the service water in the deep-mine water supply system and the situation of mines to research a reasonable pattern of mine water energy reuse.(3) From many different points to discuss the mining how can be effected by mine water energy reuse, and use an example to explain that mine water energy reuse really can bring economic benefits. such as:1) According to the calculation steps and methods of chilling requirements in mine, the influence of Cooling Capacity during mining by mine water energy reuse was analysed in terms of reducing the cooling loss during transmission, control heat and introduce a new coll medium, some relation calculation formula also be created in thesis. 2) The economic of reuse mine water energy was proffed from the angle of energy consumption of the mine water reuse system. And use the life cycle costs and cosr-benefit theory to proof the value of mine water energy reuse from the macro.3) The advantages of mine water energy reuse were introduced from the point of the microclimate in the mine was improved and the equipment power was optimized.(4) The research on principle of hydraulic-driven fan & heat exchanger was finished, and a prototype was made by reference the design method and manufacturing of pelton turbin, axial flow fan and air cooler, so the basic structure and parts of hydraulic-driven fan & heat exchanger were defined.(5) The performance of hydraulic-driven fan & heat exchanger test method was decribed in detail by reference axial fan, spray cooler, turbine performance testing principles, and use orthogonal experimental design method to determine the experimental program of hydraulic-driven fan & heat exchanger performance testing, and finished the testing follow this program. According these experiments and data analysis, the techonology of hydraulic-driven fan & heat exchanger is good in practice. But they also shows the hydraulic-driven fan & heat exchanger still has some deficience should be amended in future coming research and experiments in order to improve the performance of hydraulic-driven fan & heat exchanger.
|
PDF Full Text Request