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压裂泵的疲劳破坏问题并不小于泥浆泵与注水泵。虽然它是为了长期连续运转而设计的,但它的工作压力超过大多数泥浆泵与注水泵,说明在疲劳区域内压裂泵的应力可能更高。此外,压裂泵的任务是在输送比较无害的压裂液之外,还要输送酸液,为了要把压裂泵安装在车辆或其他移动设备上,重量要小。所有这些条件都使压裂泵的液力端只能有有限的应力循环寿命。
Fracture pump fatigue damage is not less than the mud pump and water pump. Although designed for long-term continuous operation, it is under more pressure than most mud pumps and water injectors, indicating that fracturing pumps may be more stressed in fatigue areas. In addition, the task of fracturing pumps is to deliver acid in addition to the more harmless fracturing fluids, which are of lesser weight for installation in vehicles or other mobile devices. All of these conditions make the hydraulic end of the fracturing pump only have a limited stress cycle life.