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Complete EMS System Configuration
EMS consists of coil, electric controller and cooling water system, electric control system consists of IPC, local control cabinet and inverter cabinet.
Technical Features of KEMEIDA EMS
A new algorithm has been developed by KEMEIDA and GL electromagnetic field software Co., names AGILD EM stirring algorithm, which uses new strip magnetic field differential integral equation.
This software can design electromagnetic parameters optimized. EMS shall be with high magnetic induction and stirring force. So stirring effect shall be great.
Stirring force can be calculated by this software according to different frequency and current. So the best frequency and current can be provided for user.
Optimized design shall be done for L/D. Iron core length shall be increased properly. So stirring effect shall be improved.
Kemeida has also other software for designing F-EMS to calculate best position of F-EMS.
Kemeida EMS uses low voltage and large current, which can avoid damage of peak voltage to insulation. It shall make reduce current leakage and prolong EMS life.
Frequency arrange shall be widened to choose the best frequency.
Put EMS lower properly to make magnetic field around meniscus as little as possible to ensure strong magnetic field.
Metallurgical Effect
Type | Feature | Metallurgical effect | Application steel |
M-EMS | cleaning solidification surface Cutting crystal Reducing overheat | Increasing the equiaxed rate Reducing surface and sub-surface air hole and pinhole Reducing surface and sub-surface slag including Homogenize solidified shell Improving center shrinkage and center segregation | Low alloy steel Spring steel Cold roll steel Medium and high carbon steel |
S-EMS | Cutting crystal Reducing overheat | Expand the equiazed rate Reducing the inner crack Improving shrinkage Reducing center porosity | Stainless steel Tool steel |
F-EMS | Well-distributed the element of liquid steel Break the columns crystal | Refining grains Improving the center segregation and V type segregation effectively Improving the center shrinkage and porosity | Spring steel Bear steel Special high carbon steel |
Guide for Model Selection
1. Arc radius of CCM, Strand space, pulling speed.
2. Parameters of Mould.
3. Steel grade, Cross section.
4. Power phase.
Package
