摘要
矿井综掘工作面因其作业空间狭小,作业强度大,而使粉尘难以扩散、沉降,浓度远超国家规定,严重影响矿井安全和作业人员的身心健康。风幕控尘技术与传统的掘进面除尘技术相比有着诸多优势。依据平面自由紊动射流理论,对研制出的一种新型风幕控尘装置进行矿井适应性改进,应用CFD技术模拟巷道在加设该装置前后的粉尘浓度变化,证明了这种改进型风幕控尘装置的实用性。
Because of its narrow working space,large amounts of work intensity, it is difficult to spread the dust concentration, sedimentation in mine fully mechanized workface, and the dust concentration is far ex- ceeding the relevant state regulations, and seriously affects the safety of mine workers. Compared with the traditional driving surface dust removal technology, air curtain dust control technology has many advanta- ges. In this paper, based on the free plane turbulent jet theory, a new type of air curtain dust control is developed which means mine adaptive improvement. Application of CFD simulation technology of roadway in Canada provided the dust concentration variation of the device before and after which shows the practi- cability of the improved air curtain dust control device.
出处
《陇东学院学报》
2017年第3期85-89,共5页
Journal of Longdong University
基金
2014年陇东学院青年基金项目<刘园子煤矿涌水量预测模型研究>(XYBY140201)
关键词
紊动射流
CFD技术
风幕控尘
控尘
turbulent jet
CFD technology
wind screen control dust
dust control
