Introduction To Water Well Drilling Tools System

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Introduction To Water Well Drilling Tools System

Posted By drilling kaiqiu     July 28, 2021    

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       There are three major systems in Water Well Drilling Tools, namely hydraulic system, engine system, and electrical system. These three systems are very important to the entire equipment and determine the efficiency and performance of the equipment. Many rotary drilling rig parts, such as hydraulic parts, engine parts, electrical parts, etc., actually serve these three systems. In view of the importance of these three systems, the heating and high temperature of the oil in the hydraulic system of the rotary drilling rig will cause inflexible operation, discontinuous operation, weak work, and reduced working pressure. Today, the editor will analyze the causes of oil heating:

  1. The oil tank volume is too small, the heat dissipation area is not enough, the oil cooling device is not installed, or although there is a cooling device, its capacity is too small.
  2. The fixed pump oil supply system with the capacity of the oil pump selected according to the fast forward speed will cause most of the excess flow to overflow from the overflow valve under high pressure and generate heat during operation.
  3. The unloading circuit in the system fails or because the unloading circuit is not set, the oil pump cannot unload when it stops working. The entire flow of the pump overflows under high pressure, resulting in overflow loss and heat generation, causing the oil to heat up.

      Fourth, the system pipeline is too thin, too long, bent too much, local pressure loss and pressure loss along the way are large.

  1. Insufficient precision of components and poor assembly quality, and large mechanical friction loss between relative motions.
  2. The matching clearance of the matching parts is too small, or the clearance is too large after use and wear, and the internal and external leakage is large, resulting in large volume loss, such as the volumetric efficiency of the pump is reduced, and the heat is fast.
  3. The working pressure of the hydraulic system is adjusted to be higher than the actual need. Sometimes it is because the seal is too tight, or the seal is damaged or the leakage increases, and the pressure has to be increased to work.
  4. Rock Button Bits work in summer due to the high temperature of the climate and operating environment, which causes the oil temperature to rise.

      Nine, the viscosity of the selected oil is improper, the viscosity is large, the viscous resistance is large, the viscosity is too small, the leakage will increase, both of which can cause the oil to heat up and the temperature is too high.

 

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