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Study on Water-Saving Hydro-Percussive Tools and Pneumatic Steel Ball Percussion Tools

LU Chun-hua1, YAN Tai-ning1, Н.Г. Egorov2, JIANG Guo-sheng1, WU Xiang1   

  1. 1.Graduate School, China University of Geosciences, Wuhan 430074,China;2.Russia Science Research Institute of Geology, Tula 300026, Russia
  • Received:2006-10-09 Revised:1900-01-01 Online:2007-07-26 Published:2007-07-26
  • Contact: LU Chun-hua

Abstract: The present situation of many areas lack water seriously in China and execution of strategy of national geology survey makes it become urgent assignment that how to drill soft-middle hard rock rapidly and with high efficiency encountered frequently in drought and water-scarce area. The authors studied the structural design and the working principle of two new types of water-saving percussion tools, water-saving hydro-percussive tools and pneumatic steel ball percussion tools. The results showed that the application of the two new types of water-saving percussion tools can not only saved a lot of water during the course of drilling, but also improved drilling efficiency greatly, and had developing prospect in drought and water-scarce area.

Key words: drought and water-scarce area, water-saving percussion tools, working principle, tests result

CLC Number: 

  • P634.4
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