down the hole hammer drilling pdf
2. Increased Accuracy The DTH method offers superior hole quality, producing straighter boreholes with less deviation. This precision is vital for applications that require exact placement of blast holes or geothermal probes.
(5) The inspection of hydraulic components can only be prevented under the condition of pole cleaning, and after the connecting tissue is removed, it must be quickly plugged with the cleaning tightly matched plug. Before the repaired rock drill is used from scratch, it is necessary to circulate the hydraulic oil into the oil circuit to wash the components of the hydraulic system.
4. Effluent Pumps While these pumps are similar to drainage pumps, they are explicitly designed to handle wastewater and effluent from residential and industrial applications, transferring it to a treatment or disposal area.
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