KT series integrated DTH drilling rig is an advanced drilling equipment which is the DTH drilling system combined with the screw air compressor system.With compact structure,good integrity and mobile convenience.The characteristics of drilling rig are energy-saving efficient,safe environmental protection,flexible and convenient operation,stable performance,etc. 1. The drilling rig is equipped with single stage miiddle air pressure screw main engine and adopts the middle air pressure pneumatic impact.It is with high efficiency,low energy consumption. 2. The drilling rig is quipped with hydraulic dry integrator to collect dust and reduces the pollution of the environment. 3. The drilling rig is equipped with hydraulic mainpulator,the drill pipe warehouse which disassemble the drill pipe and the floating joint which protect thread of drill pipe.One can disassemble drill pipe. 4. Air conditioning cab provides comfortable working environment and automatic control anti-jamming valve to reduce the rate of jamming.