摘要
为了系统归纳煤矿综采工作面供液系统技术的研究成果,促进综采供液技术向智能、高效、绿色发展,采用综合分析方法,对国内外综采工作面智能供液技术发展现状进行了全面总结和归纳。探讨了智能供液控制技术、高压大流量乳化液泵技术、工作介质质量综合保证技术、安全节能高效供液技术4个方面的关键技术的研究和应用。供液系统智能控制基础是以工作面开采工艺为基础的流量需求函数,通过电液控制系统传递给供液系统,实现用液需求的预知预判和及时响应。攻克了基础材料和基础工艺等共性技术难题,创新了动力端和液力端结构,研制适用于7m大采高工作面的乳化液泵,流量达到630L/min,压力达到40MPa。研究乳化液自动配比、浓度在线监测和矫正、多级过滤技术和水处理技术为一体的工作介质质量综合保障技术。重点围绕综采智能供液系统大功率、高压力、高载重的显著特点,探索了以远距离供液技术、永磁直驱技术以及主管路爆管保护技术为基础的安全节能高效保障技术。提出了随着智能、绿色开采技术的不断发展和完善,纯水供液技术、智能生命周期管理以及远距离集中供液中心等将会成为热点研究方向,并最终形成综采智能供液技术体系和标准。
In order to meet the requirements of the intelligent,high-efficiency and green development trend for the pressure pumping technology,the development status of fully-mechanized coal mining intelligent pressure pumping technology at home and abroad was analyzed and summarized.Research and application of the key technologies such as intelligent pressure pumping control technology and high-pressure large-flow emulsion pump,working medium quality assurance technology,safe energy-saving and high-efficiency intelligent pressure pumping technology are discussed.The intelligent control foundation of the pressure pumping system is on the basis of the flow demand function based on the working face mining process,which is transmitted to the pressure pumping system through the electro-hydraulic control system to realize the prediction and timely response of the liquid demand.It has overcome common technical problems such as basic materials and processes,innovated the structure of the power end and liquid end,and developed an emulsion pump suitable for the 7 m large mining height working face,with a flow-rate of 630 L/min and a pressure of 40 MPa.Research on the comprehensive working media quality assurance technology,including emulsion automatic compounding,concentration online monitoring and correction,multi-stage filtration technology and water treatment technology.Focusing on the remarkable characteristics of high power,high pressure and high load of intelligent pressure pumping system in fully-mechanized mining,this paper explores the safe energy-saving and high-effici-ency intelligent pressure pumping technology based on the long-distance fluid supply technology,permanent magnet direct drive technology and main pipe explosion protection technology.With the continuous development and improvement of intelligent and green mining technology pure water hydraulic technology,intelligent life cycle management and long-distance centralized pressure pumping center will become a hot research direction,and eventually form a comprehensive mining intelligent liquid supply technology system and standards.
作者
李然
LI Ran(Beijing Tiandi-Marco Electronic Hydraulic Control System Company Ltd.,China Coal Technology and Engineering Group Corp.,Beijing100013,China;Intelligent Control Technology Branch,China Coal Research Institute,Beijing100013,China)
出处
《煤炭科学技术》
CAS
CSCD
北大核心
2019年第9期203-207,共5页
Coal Science and Technology
基金
国家重点研发计划资助项目(2017YFC0804300,2017YFC0804304)
发改委能源自主创新及重点产业振兴和技术改造(能源装备)资助项目(发改投资(2015)1780号)
中国煤炭科工集团科技创新基金面上资助项目(2018MS027)
关键词
智能供液技术
乳化液泵
智能控制
纯水液压技术
智能生命周期管理
远距离集中供液中心
intelligent pressure pumping technology
emulsion pump
intelligent control
pure water hydraulic technology
intelligent lifecycle management
long-distance centralized pressure pumping center
