Science and Technology of Datong Coal Mining Administration 2013 Issue 4 Inner Flow Field Calculation and Improvement of Large Aperture Butterfly Valve

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Science and Technology of Datong Coal Mining Administration
1000-4866
2013 Issue 4

Inner Flow Field Calculation and Improvement of Large Aperture Butterfly Valve
Chen Yuzheng;

..............page:1-3

Reverse Traction Improved Design on Shanghai Chuangli MG400/930-WD Coal Mining Machine
Xia Nan;

..............page:4-6,9

Simple Discussion on Dynamic Identification and Early Warning Technology of Coal Mine Gas and Fire
Meng Jie;

..............page:7-9

Patented Product Evaluation of Civilian Briquette Stove
Guan Congrong;

..............page:10-12,16

Prospect of the Coal to Olefin Process and It's Downstream Program
Zhang Junlong;

..............page:13-16

Failure Analysis and Solution of MG250/601-DW Coal Mining Machine
Li Wenguang;

..............page:17-18,21

Preliminary Design of Geographic Information System of Datong Coal Mine Group's Water Supply Line
Fu Maoquan;

..............page:19-21

Study on Circulation System of Equipment Cooling Water on Coal Mine Fully Mechanized Working Face
Liu Datong;

..............page:22-24,28

Quality Analysis and Utilization of Carboniferous Coal-series Kaolinite Rock Resource in Datong Coal Mine
Tao Xun;

..............page:25-28

Research on Stress Transfer Laws in the Floor of Stability Pillar Load of Ultra-close Upper Coal Seam
Liu Wen;

..............page:29-31,34

Study on the On-site Verification Methods of the Temperature Measurement System
Cui Wei;

..............page:32-34

Study on the Mine Pressure Law of Fully Mechanized Working Face in Buliangou Mine
Hou Zhensheng;,Liu Leilei;,Sun Zhancheng;

..............page:35-37,43

Leakage and Prevention of the Hydraulic System
Liang Limin;

..............page:38-40,43

Analysis on Stress Distribution of Special Stress Area in Tongjialiang Mine and Segmentation Support Technology
Wu Xinwen;,Yuan Mingxing;

..............page:41-43

Simple Discussion on How to Optimize Electromechanical Equipment Management in Colliery
Wen Chen;

..............page:44-45,48

Simple Discussion on the Application of Explosion-proof Variable Frequency Winch Control System
Xia Xiwu;

..............page:46-48

Prevention of High Pressure Power Supply System's Override Trip in Coal Mine
Li Li;

..............page:49-50,后插2

Safety Protection Management on File Storehouse
Xin Wei;

..............page:51-52,后插2