TY - JOUR
T1 - Hydrodynamic simulation of gas - Particle injection into molten lead
AU - Gutiérrez Pérez, Víctor Hugo
AU - Vargas Ramírez, Marissa
AU - Cruz Ramírez, Alejandro
AU - Romero Serrano, José Antonio
AU - Rivera Salinas, Jorge Enrique
PY - 2014/7/1
Y1 - 2014/7/1
N2 - A multiphase- hydrodynamic model was solved with the phase field method and the Cahn-Hilliard equation to simulate the behavior of particle injection with nitrogen as conveying gas through a submerged lance into a lead bath in two dimensions. The residence and mixing time were obtained for different operating parameters like gas flow rate, lance depth, and different kettle and lance dimensions. The residence and mixing time decreased when the injection rate and the lance diameter increased. Therefore, the particle will have less opportunity to react with the liquid bath decreasing the refining metal processes efficiency. When the lance height and kettle dimensions were increased, the residence and mixing time also increased. In order to have an efficient disengagement of the particles from the carrier gas within molten lead, the operating parameters must take into account the residence and mixing times. The Cahn-Hilliard equation represents adequately the hydrodynamic behavior in the lance-kettle system studied.
AB - A multiphase- hydrodynamic model was solved with the phase field method and the Cahn-Hilliard equation to simulate the behavior of particle injection with nitrogen as conveying gas through a submerged lance into a lead bath in two dimensions. The residence and mixing time were obtained for different operating parameters like gas flow rate, lance depth, and different kettle and lance dimensions. The residence and mixing time decreased when the injection rate and the lance diameter increased. Therefore, the particle will have less opportunity to react with the liquid bath decreasing the refining metal processes efficiency. When the lance height and kettle dimensions were increased, the residence and mixing time also increased. In order to have an efficient disengagement of the particles from the carrier gas within molten lead, the operating parameters must take into account the residence and mixing times. The Cahn-Hilliard equation represents adequately the hydrodynamic behavior in the lance-kettle system studied.
KW - Cahn-Hilliard equation
KW - Lead
KW - Particle injection
KW - Residence and mixing time
UR - http://www.scopus.com/inward/record.url?scp=84908419232&partnerID=8YFLogxK
U2 - 10.1590/S1516-14392014005000094
DO - 10.1590/S1516-14392014005000094
M3 - Artículo
SN - 1516-1439
VL - 17
SP - 838
EP - 850
JO - Materials Research
JF - Materials Research
IS - 4
ER -