What air compressor should be used with a water well drilling rig

Waterwell drilling is essentially drilling for underground water for agricultural and residential water needs. A perfect waterwell drilling setup would include: - A drill rig system which includes DTH hammer, DTH bit and drill tubes - Reliable skid mounted diesel air compressor. Waterwell drilling is essentially drilling for underground water for agricultural and residential water needs. A perfect waterwell drilling setup would include: - A drill rig system which includes DTH hammer, DTH bit and drill tubes - Reliable skid mounted diesel air compressor. When drilling a water well through the hard rock, no drilling method is as efficient as a DTH Hammer energized by the right air compressor providing high enough pressure. Softer grounds may also be drilled by air flushed rotary drilling, demanding a lower pressure air.. Air pressure requirement: The air compressor must provide sufficient air pressure to overcome the formation resistance encountered by the drill bit and maintain the drilling force. Typical air compressor pressures range from 7-30 bar (100-450 psi). [pdf]

Centrifugal air compressor and screw type

The rotary screw compressoris one of the most common types of rotary positive displacement compressor. They work with rotation as a rotary compressor should. They compress gas with the mechanism of a rotary screw. This type of compressor is less complicated than a reciprocating compressor. These are. . A centrifugal air compressor works in a different way. It doesn’t work as a rotary screw compressor but the result is pretty same. While the reciprocating or rotary compressor workswith the pressure of air, a screw compressor deals with the velocity of the air. Normally, a. . So, these are the benefits of both the compressortypes. The main difference between these two types is the air providing speed. The speed is a bit higher for a centrifugal air. Primary selection model: Filter candidate models based on the gas-pressure matrix. Screw type: Check specific power, noise value, oil content. Centrifugal type: Verify surge line and efficiency island diagram. [pdf]