150H DRILLING RIG DTH HAMMER

JIANGSU XI TEC ENVIRONMENTAL&DRILLING EQUIPMENT COMPANY CO.LTD
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1、 Construction Steps for Downhole Hammer Drilling 1. Determine the drilling position and aperture Firstly, determine the location and aperture of the borehole that needs to be drilled. Before selecting a site, it is necessary to survey the drilling ground to ensure that it does not affect surrounding buildings and pipelines. 2. Determine the depth of the pilot hole Determine the depth of the pilot hole based on engineering needs and design requirements. At the same time, it is necessary to consider factors such as groundwater level and soil type to determine the selection of the down hole hammer. 3. Install the down hole hammer Choose a down-hole hammer that is suitable for the aperture and depth of the hole. Open the valve of the down hole hammer, install the down hole hammer at the hole opening, and drive the down hole hammer to rotate through compressed air to achieve drilling. 4. Boring construction According to the design requirements of aperture and depth, appropriate drilling tools should be replaced in a timely manner during the drilling process to ensure smooth drilling and accurate aperture. 5. Completion of construction After the drilling depth reaches the predetermined depth, the cleaning and drilling of the hole opening are achieved by removing the push tube and cutting knife. Finally, thoroughly clean the orifice and steel pipe, and proceed with subsequent construction after the guide hole is completely dry.

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