Mining Safety & Environmental Protection Articles

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1Trial Study of Gas Drainage by Roof Bore-holes on Strike under Different Geological Conditions1-4

2Application Research on Gas Emission Features in Heading Faces in Huainan Coal Mining Area5-6,8

3Probing into Comprehensive Gas Control Technique in High Gassy Working Face7-8

4Determination of Rational Roof Hole Position in B11 Winning Face in Huainan Old Mining Area9-9,11

5Transformation of Ventilation System in Transition Period of Production10-11

6Analysis on Power Circuit Principle of AP2B Substation12-13,16

7Optimizing Bore-hole Parameters to Improve Gas Drainage Effectiveness in Coal Face14-16

8Management of "One Ventilation and Three Prevention" in Old Mine17-17,19

9Optimizing Ventilation System to Reduce Capital Investment18-19

10Safe Power Cut-off of Coal Mine Safety Monitoring System20-22,24

11Transformation of Central Downcast Shaft and Optimization of Ventilation System in No.1 Liuqiao Mine23-24

12Reducing Operation Period of Exposing Coal Seams in a Crosscut by Non-uniform Hole Layout25-25,27

13Study on Gas Emission Law in Winning and Heading Faces in Luling Coal Mine26-27

14Making Great Efforts to Foster Cognition of Staff Members about Safety Work28-28,32

15Extraction Scheme of Protective Seams and Its Implementation Effect in Xinzhuangzi Mine29-32

16Application of Portable Methane Detection Alarm in Huaibei Coal Mining Area33-33,36

17Analysis on Extraction Effectiveness of Lower Protective Seam in No.1 Panjiaji Mine34-36

18Brief Discussion on Sensitivity of Prediction Index K1 of Coal Seam Outburst Hazard37-37,39

19Probing onto Application of Dynamic Pressure Water Infusion by Shallow Bore-holes to Eliminate Outburst Hazard in "Double Outburst" Working Face38-39

20Analysis on Trial Results of Water Infusion Technique by Adding Penetration Stick in Taoyuan Coal Mine40-41