The sampling technique analysis and improvement of drilling crumbs
XU Wenquan;ZHAO Enlai;MA Yankun;SONG Dazhao;BAI Huimin;XU Xiaoyang(Faculty of Safety Engineering;
Abstract:
As result of backward equipment and wrong operation,the forecast results become unreliable when the index of drilling yields is used in forecasting coal or rock outburst.The paper analyzed the main reason for those mistakes in the aspect of actual operation and proposed technological improvement on the basis of present equip-ment,and verification by experiments.Experiment showed that improved anti-burst sampling drilling rig improved significantly accuracy and efficiency.
Key Words: volume of drilling yields;index of drilling yields;multiple of drilling yields
Foundation: 国家自然科学基金项目(50427401);; 国家重点基础研究发展计划(973计划)项目(2005CB221505);; 国家高技术研究发展计划(863计划)项目(2006AA06Z119);; 国家科技攻关计划项目(2005BA813B-3-09);; 教育部新世纪优秀人才支持计划项目(NCET-06-0477)
Author: XU Wenquan;ZHAO Enlai;MA Yankun;SONG Dazhao;BAI Huimin;XU Xiaoyang(Faculty of Safety Engineering;
References:
- [1]程五一.突出预测指标钻屑倍率的动力分析[J].煤矿安全,1994(5):18-22.
- [2]刘国泉.关于应用钻屑量与钻屑瓦斯解吸指标判定突出危险性若干问题的讨论[J].煤矿安全,1993(2):35-40.
- [3]鹿德智,宋志方,李少奎,等.煤矿煤尘成分与煤工尘肺的关系[J].中国煤炭工业医学,2008(11):390-393.
- [4]俞启香.矿井瓦斯防治[M].徐州:中国矿业大学出版社,1992.
- [5]文光才,王先义.突出预测钻屑量指标的探讨[J].煤炭工程师,1998(3):32-34.
- [6]中华人民共和国煤炭工业部.防治煤与瓦斯突出细则[M].北京:煤炭工业出版社,1995.
- [7]王日存,王佑安.钻孔钻屑量测定及其与突出危险性关系[J].煤矿安全,1983(9):19-23.
- [8]王凯,俞启香,周保生.煤与瓦斯突出的钻孔法预报机理及预测指标探析[J].江苏煤炭,1995(2):13-16.
- XU Wenquan
- ZHAO Enlai
- MA Yankun
- SONG Dazhao
- BAI Huimin
- XU Xiaoyang(Faculty of Safety Engineering
- China University of Mining and Technolgy
- Xuzhou 221008
- China)
- XU Wenquan
- ZHAO Enlai
- MA Yankun
- SONG Dazhao
- BAI Huimin
- XU Xiaoyang(Faculty of Safety Engineering
- China University of Mining and Technolgy
- Xuzhou 221008
- China)