| Mine ventilation system optimization is a quantitative and qualitative decision-making problem about complex system which is composed of many integrating, interrelating and interdependent factors. On the base of summarizing and analyzing the research of present status of the mine ventilation basic theory,the mine ventilation networks analysis and optimization ,the mine ventilation system adjusting technology ,the mine energy reducing ,the paper puts forward the viewpoint that the modern system theory should be introduced into the conception of mine ventilation system and mine ventilation optimization should be divided into outside and inside optimization. According to the analyzing the status, determined and chose the mine ventilation simulation system for this article plan optimization choice tool.This article take the our country Qitaihe Xinjian mine as the research object, the synthesis considered the technology, the economy, the security and the manage four aspects factors, analysis and establish a set to be comprehensive, the science, quickly, Intellectualization the mine ventilation simulation system.In order to get the essential basic information for ventilation system optimization, besides detailedly investigating and measuring, the paper uses the computer to simulate the whole mine ventilation system. Practise indication that the computer simulation is a simple and useful way of investigating ventilation system.After detail investigation and analysis, the thesis makes an all-round evaluation for the Xinjian mine, and disclose the main problem existed, then put forward several programs to solve it. And computer is used to the simulate result of the programs, then ventilate the simulation system is used to optimize the programs, finally get the best program for the Xinjian mine. The optimization of ventilation system is achieved finally through the scheme optimization selection, which directs practical work, and the remarkable social and economic benefits are gained.
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