Device and method for refining electromagnetic energy grains

Abstract

The invention discloses a device and a method for refining electromagnetic energy grains. The device is applied to semi-continuous casting equipment; an electromagnetic device comprises a silicon steel laminated core, a lifting platform, a lifting bracket and a coil; the coil is wound on the outer periphery of the silicon steel laminated core; a round hole is formed in the lifting platform; the silicon steel laminated core penetrates through the round hole, and is sleeved in the round hole of the lifting platform; the top end of the lifting bracket is connected to the lower surface of the lifting platform; the bottom end of the lifting bracket is detachably connected with a cast groove body; the lifting platform is supported by the lifting bracket; and the lifting bracket is used for adjusting the height of the lifting platform. The electromagnetic device performs electromagnetic energy processing on melts, so that the melts obtain electromagnetic energy generation transition, the grain refining degree of the melts is increased, and the mechanical performances and the deformation performance of ingots are improved.

Description

technical field [0001] The invention relates to the field of semi-continuous casting, in particular to a device and method for refining grains with electromagnetic energy. Background technique [0002] The microstructure of the ingot produced by the multi-strand casting method is dense, but the grain size is coarse and the structure is uneven, which seriously affects the mechanical properties and deformation properties of the semi-continuous ingot. The solidification structure of a metal determines its mechanical properties to a large extent, and refining the ingot grains can effectively improve the mechanical properties and deformation properties of the ingot. [0003] In order to effectively improve the mechanical properties and deformation properties of ingots, in the prior art, the grains are refined by improving the refiner, cooling rate and casting speed in the multi-strand casting process, and the addition of refiner will pollute the melt , it is easier to gather and...

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Problems solved by technology

[0003] In order to effectively improve the mechanical properties and deformation properties of ingots, in the prior art, the grains are refined by improving the refiner, cooling rate and casting speed in the multi-strand casting process, and the addition of refiner will pollute the melt , it is easier to gather and form inclusions in the melt, which affects the purification, and the cooling rate and casting speed have a small degree of refinement of the grains, which cannot effectively improve the mechanical properties and deformation properties of the ingot

[0004] In the prior art, the electromagnetic device is used to treat the melt electromagnetically, and the mechanical properties and deformation properties of the ingot are realized by applying electromagnetic force to the melt. However, the degree of refinement of the grains is small, and the mechanical properties of the ingot cannot be effectively improved. Performance and deformation properties

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