Improving plunger motion law based on multi-objective optimization algorithm.

Autor: Derong Lei, Pengfei Cheng, Jie Li, Jinhang Yao, Hui Zhang, Haoyuan Chu, Changhua Yang
Zdroj: Desalination & Water Treatment; 12/15/2023, Vol. 315, p621-626, 6p, 1 Diagram, 4 Graphs
Abstrakt: At present, there are many ways to improve the pumping efficiency by increasing the pump filling degree to increase the output profit, but many researchers in the study did not pay attention to the pumping rod in the upper and lower stops due to the acceleration generated by the inertia force on the pumping rod pulling, compression and the rod and pipe bias abrasion caused by the shortening of the inspection cycle of the pump and so on, and seldom carry out the optimization of plunger’s movement law to achieve the improvement of the pump filling degree under the same stroke, the number of times the study. The study of the optimization of the plunger movement law to improve the pump filling degree under the same stroke and stroke times is rarely carried out. Therefore, this paper establishes the target equation of pump filling degree according to the change rule of fluid volume into the pump and the change rule of pump cavity volume, and uses multi-objective optimization genetic algorithm combined with the constraint equation to optimize the plunger movement law without changing the stroke and stroke times. The research results show that: according to the optimized plunger movement law, the pump filling degree is increased by 5%, and the average acceleration of plunger movement is decreased by 75.36%; this optimization method not only improves the pump filling degree but also reduces the pulling and compression loss of pumping rod due to the inertia force generated by acceleration, and prolongs the checking cycle of the pump. The research method can provide a certain reference for the optimization of the plunger motion law of the pumping machine. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index