矿井自然通风的利用和控制

Utilization and control of mine natural ventilation

本文利用相关学科的基本原理,阐明了井巷自然风流形成的基本原因,建立了自然风量风压计算的数学模型,以南方某铅锌矿山通风系统为实例进行了理论计算。对风机运行时,冬季可适当调节风机工况点,夏季通过调整通风方式为压入式通风等措施,以达到充分利用自然风能,降低能耗的目的。

Based on the basic principles of related disciplines,this paper expounds the basic reasons for the formation of natural air flow in the shaft and lane,establishes a mathematical model for the calculation of natural air flow and air pressure,and makes a theoretical calculation with a lead-zinc mine ventilation system in South China as an example.When the fan is running,the operating point of the fan can be adjusted properly in winter,and the forced ventilation can be adjusted in summer to make full use of natural wind energy and reduce energy consumption.