Well drilling rigs by the upper piston cavity under the exhaust air, down into the drill bit from the cooling effect, and the bottom of the hole cuttings out of the wellhead. Its rotation and circulating cleanout part of the structure and washing wells with compressed air rotary drilling rig turntable is basically the same, the use of tungsten carbide drill bits or roller cone bits and so on. Pneumatic DTH drilling rig can be used in hard rock drilling deep wells, high drilling speed and drilling speed is not due to increased drilling depth of 130 drilling rigs decreased price, relatively straight borehole drilled. Work drilling machine is pumping reverse circulation type. Its working principle is: the role of atmospheric pressure 130 drilling machine, circulating liquid from the settling tank through the return ditch along the annular gap flow to the bottom of the borehole, the drill pipe 130 at this turntable drive drilling machine manufacturers , driven by rotation of the drill bit drilling mud pump suction by the negative pressure of the debris to establish the drill mud suction lumen, then rose to the faucet, the mud pump into the sedimentation tank, circulating fluid continues to flow after precipitation wellbore, Again and again, the formation of a reverse circulation drilling work. Prius production after years of research practice, according to construction requirements, business-to-well drilling rig conducted a number of improvements to make products increasingly perfect 130 drilling machine where to sell, I have a reasonably well drilling rig structure, economic and durable, easy to operate, mechanical work efficiency, wide application, low maintenance, easy maintenance and other characteristics, by domestic and foreign customers of all ages. 130 drilling machine production line _ _ Prius good reputation in Yongjia County, 130 drilling machines are provided by Luoyang Prius Drilling Equipment Co., Ltd. Luoyang Prius Drilling Equipment Co., Ltd. (www.zuanji888.com/) is a leader in Luoyang, Henan Province, industry-specific equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In the Prius leadership with the staff warmly welcome all inquiries negotiations to create the Prius better future.