Device and method for measuring thickness of casting powder in continuous casting crystallizer
A continuous casting crystallizer and thickness measurement technology, applied in the configuration of indicating equipment/measuring equipment, casting equipment, manufacturing tools, etc., can solve problems affecting the quality of steel billets, achieve the effects of cost reduction, accurate measurement, and saving mold slag
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[0014] The specific embodiment of the present invention is described below in conjunction with accompanying drawing:
[0015] Millimeter wave electromagnetic waves can propagate well in the air, so non-contact distance measurement can be performed at long distances. In addition, electromagnetic waves are reflected and transmitted at the interface between different materials. The waves reflected from the surface and back of the measurement object can be measured, so that the thickness of the object can be measured. The speed of millimeter wave depends on the relative permittivity of the propagating material, and the relative permittivity of air hardly changes due to different temperatures. In addition, the wavelength is at the millimeter level, and micron-sized particles like dust will not affect the propagation of millimeter waves . Therefore, millimeter waves are especially suitable for continuous casting sites.
[0016] The present invention adopts LFMCW (Line Frequency Mo...
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