Study of intelligent gas discharging system based on switch resistance motor;
基于开关磁阻电机智能瓦斯排放系统的研究
It is effective to apply it in gas discharging in order to improve accuracy of control and communicate with other equipment the technology since S7 serial PLC has been mature.
目前的S7系列PLC技术已经非常成熟 ,将其应用在煤矿井下会提高瓦斯排放的可靠性和控制精度 ,并且便于实现与其他设备的通讯 ,根据井下瓦斯排放要求制定了相应的控制策略 ,并选用适当的硬件设施和软件编程 ,在五阳矿的应用证明 :基于S7- 2 0 0的瓦斯排放装置能非常好地适应现场工作环境 ,并且运行可靠 ,必将会有广阔的市
Through the analysis on gas discharging in Jining coalmine II, and on the basis of the gas density and the specific conditions of roadways arrangement, this aritcle, in order to achieve promptness, safety and high efficiency, integrates many effective gas discharging methods, such as full pressure ventilation, auxiliary fans and drill-holl ventilation, and so forth.
通过对济宁二号矿瓦斯排放工作的分析,根据井下的巷道具体情况及瓦斯含量,采取全风压通风系统排放、局部通风机排放、钻孔压风排放等方法,达到了快速、安全的目的。
Based on analyzing the defects from which traditional gas drainage suffers,the paper offers a new gas exhausting method without over-limitation and a closed-loop control system for gas exhausting based on frequency conversion technology.
在分析传统瓦斯排放方法所存在缺陷的基础上,提出了一种瓦斯无超限自动排放方法,设计了一种基于变频调速技术的闭环型瓦斯排放系统,介绍了其基本构成和工作原理。
The partial ventilator in the coal mine is important in mine digging, its dependability and efficiency affect directly the safety of gas drainage.
智能瓦斯排放系统是以DSP为控制核心 ,采用变频调速驱动局部通风机 ,根据瓦斯浓度自动进行风量调节 ,控制瓦斯排放系统的排放速度 ,实现煤矿安全生产自动化 ,达到既节能又安全排放瓦斯的目
Using the RFPA~(2D)-Flow to simulating the process of the gas drainage in low air permeability coal bed by slotting, it prove that slotting is an efficient technique to reduce the risk of coal and gas out bursting.
同时,数值试验对难以准确监测的煤层内瓦斯压力和瓦斯渗流场的变化规律进行了较好的模拟,为进一步理解瓦斯排放、煤与瓦斯突出机理等提供理论基础和科学依据。
Application and analysis on high level borehole gas drainage technology in mined-out area
采空区高位钻孔瓦斯抽放技术应用与分析
The Optimized Study of Gas Taking out Parameters of High Position Boring of Taoyuan
桃园矿高位钻孔瓦斯抽放参数优化研究
Integrative Applications of High Level Boreholes for Gas Drainage and Fire Prevention and Extinguishing in Goaf
采空区高位钻孔瓦斯抽放与防灭火的一体化应用
Design for drawing out gas with high position boring at coal face
轻放工作面抽放瓦斯高位钻孔的设计
Application of Gas Drainage Technology by High-level Boreholes in Gas Control of the Working Face
高位钻孔抽放技术在工作面瓦斯治理中的应用
Applying Technology of High Drilling Drainage to Preventing Gas Accumulation at Upper Corner of Full-mechanized Mining Face
利用高位钻孔抽放技术治理综采工作面上隅角瓦斯积聚
The Technique for the Drainage of the Gas from the Upper Corners of A Gassy Fully-mechanized Top-coal Caving Face through Drilling Vertical Holes
高瓦斯综放工作面上隅角竖直钻孔瓦斯抽放技术
Research on the technology of integrated interchange drilling to drainage gas
综合立体交叉钻孔抽放瓦斯技术研究
Gas Drainage Technology of Goaf with Boreholes from Surface Ground of Tangshan Mine
唐山矿地面钻孔抽放采空区瓦斯技术
Research on Bit for Efficient Drilling of Gas Drainage Borehole in Nantong Mining Area;
南桐矿区瓦斯抽放孔快速钻进钻头的研究
A Study of the Second Hole Sealing Method to Improve Gas Drainage in Coal Seams
煤层瓦斯抽放钻孔的二次封孔方法研究
Pressure releasing and gas drainage with long bore hole in roof overburden of fully mechanized caving face
综放面顶板覆岩走向长钻孔卸压抽放瓦斯研究
Research on Accumulation Gas Control Measure in Drilling Field Using Gas Drainage at High Gas Mine
高瓦斯矿井抽放钻场瓦斯积聚治理方法研究
Gas drainage in seam with large auto variable diameter bore holes
自动变径大直径钻孔抽放煤层瓦斯试验
Gas Drainage by Boring Near Seam at 43001 Coal Face
43001采煤工作面上邻近层穿层钻孔瓦斯抽放
Application of Technology of High Gas Cannon Picking Roof Perforate Gas Administer
高瓦斯炮放面顶板钻孔法瓦斯治理技术应用
Application of Gas Drainage from Long Holes Along Roof Strike in the Working Face Upper Corner
走向长钻孔瓦斯抽放在治理工作面上隅角瓦斯中的应用
Gas drainage technique by 1000 m long and large diameter roof boreholes in high gas coal seam group
高瓦斯煤层群顶板大直径千米钻孔抽采技术