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Development and Application of drilling Parameter Monitoring System for directional drilling rig in Coal Mine

Development and Application of Drilling Parameter Monitoring...

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作者： Peng FANG Song WANG Ya HU Rui ZHANG Xi’an Research Institute of China Coal Technology and Engineering Group Corp

In order to meet the requirement of accurate measurement and control of drilling parameters in compound directional drilling technology in underground coal mine,based on the research purpose of generality and stability,the drilling parameter monitoring system for tunnel directional drilling rig based on PLC was developed,which has many functions such as real-time monitoring of drilling parameters,automatic data storage,remote data transmission,graphical display of parameters and failure *** order to verify the performance and reliability of the system,a field test was carried out combined with high-power directional drilling rig in Baode coal mine,Shendong coal Group Corporation Limited..The test results show that the parameter monitoring system can be quick installed,and all kinds of drilling parameters can be accurately monitored during the drilling process,and the drilling parameters can be stored in the backstage database in real *** the same time,the system will alarm while the drilling process and condition of the drilling machine are *** application of the system can effectively improve the quality of borehole drilling and prevent drilling accidents in the borehole,which has practical significance for the research of compound directional drilling technology in coal mine.

关键词： directional drilling rig drilling parameter compound directional drilling parameter monitoring explosion-proof control

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Development and Application of High Power directional drilling rig

Development and Application of High Power Directional Drilli...

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作者： Rui ZHANG Ke YAO Peng FANG Xiang CHEN Rui MENG Xi’an Research Institute China Coal Technology ＆ Engineering Group Corp

The working face length of existing super large coal mines has been increased to more than 2000 *** rapid mechanized mining of super long working face of large coal mines has increasingly urgent demand for efficient prevention technology of gas and water disasters,etc.,and higher requirements have been put forward for the depth,drilling efficiency and quality of directional holes for disaster *** long-distance accurate detection and disaster prevention is a large modern coal mine safe and efficient mining of major requirements,in order to maintain dug balance,guarantee the safety in production,large diameter long directional hole is the key to meet the above requirements,to meet the above requirements,developed the capacity of 1,500 m drilling ZDY15000 LD power directional drilling *** general layout design,gyroscope,feed device,brake device,hydraulic system with protective function and other key technologies of high-power directional drilling rig were studied,and the load performance of drilling rig was *** industrial test was carried out in Pansan mine of Huainan mining industry to verify the technical performance of the drilling *** test results show that the high-power directional drilling rig has strong drilling capacity and strong accident handling capacity,which ensures safe and efficient underground mining.

关键词： gas drainage borehole directional drilling rig high-power full hydraulic power the key technology

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