煤矿安全2017，Vol.48Issue(12)：168-171,175,5.DOI:10.13347/j.cnki.mkaq.2017.12.045
基于改变风筒出风口参数的综掘工作面风流场优化研究
Study on Optimization of Air Duct Outlet Parameters of Wind Flow Field in Fully Mechanized Excavation Face of Coal Mine
摘要
Abstract
At present,the airflow of the fully mechanized excavation face can not be changed according to the actual demand at any time,which leads to the irrational distribution of the wind flow field,and increases the risk of the safety hazard sharply.In this paper,the optimal distribution of the flow field is analyzed from the angle of changing the direction of the outlet of the hairdryer,the angle of the caliber and the distance between the front and the rear.Taking the fully mechanized mining face of Ningtiaota Mine as the object,the numerical simulation scheme of the wind flow field is established to simulate the distribution of the original wind flow field.For the situation that the wind speed is too small and the eddy current is very important for the wind flow,the optimal distribution of the flow field under the parameter change is simulated and the range of parameter adjustment is determined.On the basis of those,the adjustment scheme of the outlet parameters of the distribution of the wind flow field is analyzed and determined,which provides an effective way for the optimization of the ventilation flow field in the fully mechanized excavation face.关键词
综掘工作面/风筒出风口/风流场/数值模拟/参数调节方案/优化分析Key words
fully mechanized excavation face/air duct outlet/wind flow field/numerical simulation/parameter adjustment scheme/optimization analysis分类
矿业与冶金引用本文复制引用
龚晓燕,秦少妮,张永强,莫金明,张欣怡,夏治新,薛河..基于改变风筒出风口参数的综掘工作面风流场优化研究[J].煤矿安全,2017,48(12):168-171,175,5.基金项目
陕西省重点研发计划资助项目(2017GY-170) （2017GY-170）
