深井压气冷水降温系统设计与应用效果分析

doi:10.11799/ce201408022

Abstract

Abstract:

Mine high temperature problem has seriously restricted the coal mine safety in production, affected the economic benefits of mine. At the same time, the health and safe of underground workers has also brought great harm. Compressed air is often used for heat absorption while it is expanded into its surroundings. Just for its property, it is widely taken as an effective means to improve the underground deep—well ventilation. The current control systems of deep—well cold is analyzed, a new kind of deep cold control system was put forward. Gas adiabatic expansion is used to cool water, instead of ice machine, to meet the needs of the mine cooling. By analyzing the relationship of compressed gas and the manufacturing of cold water, a quantitative relationship between manufacturing cold water temperature, quality and quality of compressed air. The effect and costs of compressed air cold water system and ground centralized refrigeration cooling system are compared, compressed air cold water system is better.

Key words: Deep-well mine, Compressed air, Cold system, High temperature

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http://www.coale.com.cn/EN/Y2014/V46/I8/67

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Design and Feasibility Analysis on Deep Mine Cooling Systemof Compressed Air and Cold Water

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