Abstract
To study the friction behavior of ferroalloy and wet granulation sulfur under low normal load conditions, a series of experiments were performed using a homemade rotating test apparatus. Scanning electron microscopy with an energy dispersive spectrometer (SEM-EDS) and X-ray diffraction (XRD) were utilized to examine the friction products. The experimentally monitored friction coefficient data were used to develop a finite element model to simulate the temperature field and a theoretical model to calculate the flash temperature of the contact area of the friction surface. The experimental, simulation, and theoretical results showed that the flash temperature of the friction surface is much higher than the average temperature of the friction surface and allows the reaction of iron and sulfur to form iron–sulfide compounds.
Highlights
During the transportation of wet granulation sulfur, many steel transmission components such as the bucket wheel stacker-reclaimer, are exposed to sulfur powder
The scheme of the test apparatus,methods the test of procedures, theproducts pretreatment process of the friction specimens, and the characterization the friction can be referred in Ref
The temperatures on the near friction surface and the friction torque were recorded during the test
Summary
During the transportation of wet granulation sulfur, many steel transmission components such as the bucket wheel stacker-reclaimer, are exposed to sulfur powder. Friction between the sulfur powder and steel equipment may cause fire accidents if not detected immediately [1,2]. It is necessary to investigate the friction behavior of ferroalloy and wet granulation sulfur under low normal load conditions to improve operation conditions to avoid this type of accident. Few studies have systematically explored the friction behavior of ferroalloy and wet granulation sulfur under low normal load conditions. Cai [3] and Fu [4] et al have investigated the static accumulation behavior during the friction process of sulfur and stainless steel. It is concluded that static electricity will be generated during the friction between sulfur and stainless steel. It is concluded that during the friction process of iron and sulfur the FeS and FeS2 are produced and the final friction products are different with different proportions of iron powder and sulfur dust in the starting materials
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