wococarbide.com Thermal Spray High Wear Plunger

       

The plunger is an important component used in high-pressure pumps. The process of the plunger and the overall quality standard are the main quality effects of the plunger pump. It is used in the plunger pump and moves repeatedly in the cylinder liner, so that the cylinder container can realize the process of oil absorption and oil pressure. During this process, due to the continuous and repeated movement of the plunger, its surface wear and corrosion will follow. When the degree of wear and corrosion reaches the limit, it is necessary to stop and replace the plunger to ensure the quality of oil production, and the time of downtime seriously affects the efficiency of oil production.

By carefully understanding the working conditions of the plunger pump and studying the failure mechanism, the joint colleges and universities improved the spray-melting process, optimized the material formula, combined with the company's thermal spraying experience over the years, and after repeated tests, finally overcome the technical problems, in the ordinary plunger The surface is strengthened by spraying high nickel-chromium alloy. The nickel-chromium alloy has high strength, wear resistance and corrosion resistance. The nickel-chromium alloy coating formed by thermal spraying technology is a good wear-resistant coating and has corrosion resistance. The lifespan is 20-30 times that of conventional ones. With the development of my country's petroleum industry, the intensity of oilfield exploitation is also increasing. The plunger pump used in oilfield exploitation can transport liquid under high pressure, which has become an important choice for the power system of oil water injection technology.