Erosion wear characteristics of metal seal floating ball valve in gas–solid–liquid three-phase flow
Source abstract
Abstract
During high-pressure acid leaching, sulfuric acid slurry acts as the transportation medium in the withdrawal drum for acid pressure leaching. Over time, the metal-sealed float valve at the pipeline outlet may experience internal leakage. To address this issue, the Euler–Lagrange method for fluid dynamics is used to evaluate the corrosion wear characteristics of the valve in a three-phase flow. Specifically, we investigate the erosion and wear properties of the ball valve core as it opened and closed. To further understand how different ball valve openings impact erosion characteristics, we establish a correlation between the corrosion rate and the drag coefficient. Our research findings indicate that as the valve’s relative opening decreases from 80% to 20%, the corrosion wear rate gradually increases. In addition, the number of particles within the valve cavity also follows a similar trend. These erosion results highlight the significant influence that particle quantity has on erosion. Moreover, with an increase in particle size, both the erosion gradient range and maximum erosion rate decrease.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Erosion and Abrasive Machining · Tunneling and Rock Mechanics · Advanced materials and composites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Mechanical and Electrical Engineering, Wenzhou University 1 , Wenzhou 325035, China
State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University 2 , Hangzhou 310027, China
Funding
National Natural Science Foundation of China · Zhejiang Provincial Natural Science Foundation of China · Open Foundation of the State Key Laboratory of Fluid Power and Mechatronic Systems · Wenzhou major science and technology innovation project of china
References (24)
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