Китайский растворный насос 4x3dd
2. Rock drill: used to drill holes with a diameter of 20 ~ 100 mm and a depth of less than 20 meters in rocks above medium and hard. According to its different power can be divided into pneumatic, internal combustion, hydraulic and electric rock drill, of which pneumatic rock drill is the most widely used.
1. Drill Bits The drill bit is the cutting tool at the end of the drill string responsible for penetrating rock layers. There are various types of drill bits, including roller cone bits, fixed cutter bits, and diamond bits, each designed for specific geological formations and drilling conditions. Selecting the right drill bit is crucial for maximizing penetration rates and minimizing costs.
The reason:The suction pipe is not filled with water
Blocked suction line or inadequate valve opening
The inlet pipe of the pump, the meter or the stuffing box are serious
Blocked suction line or inadequate valve opening
The inlet pipe of the pump, the meter or the stuffing box are serious