The fluid flow phenomena in tundish have a strong influence not only on theuniform of composition and temperature of bath, but also on the separation of non-metallicinclusions, especially for the multi-strand tundish....The fluid flow phenomena in tundish have a strong influence not only on theuniform of composition and temperature of bath, but also on the separation of non-metallicinclusions, especially for the multi-strand tundish. A water model of a multi-strand tundish hasbeen set up based on the Froude number and Reynold number similarity criteria. The effect ofdam+weir and baffle on the uniform of composition and temperature of bath for different nozzles hasbeen studied. The residence time distribution curves of the fluid flow were measured by SG800.Comparing the photos of the flow pattern in tundish, the optimum arrangement of baffle+dam wasobtained. This new structure is benefit not only to uniform the temperature among different SENs(submerge entry nozzles) but also to separate the non-inclusions from the liquid steel, it can bewidely used in multi-strand tundish.展开更多
文摘The fluid flow phenomena in tundish have a strong influence not only on theuniform of composition and temperature of bath, but also on the separation of non-metallicinclusions, especially for the multi-strand tundish. A water model of a multi-strand tundish hasbeen set up based on the Froude number and Reynold number similarity criteria. The effect ofdam+weir and baffle on the uniform of composition and temperature of bath for different nozzles hasbeen studied. The residence time distribution curves of the fluid flow were measured by SG800.Comparing the photos of the flow pattern in tundish, the optimum arrangement of baffle+dam wasobtained. This new structure is benefit not only to uniform the temperature among different SENs(submerge entry nozzles) but also to separate the non-inclusions from the liquid steel, it can bewidely used in multi-strand tundish.
