目前连铸钢控制液面高度,虽有放射线法、电磁法和热电偶法等很多方法,但都不大令人满意。光测法可测量钢包、中间包和结晶器内液面的高度。由物镜、光过滤器、光源和电子处理信号组成光测系统。接收面积为0.3cm×2.5cm。光测仪所得的光点,就是由光 At present, continuous casting steel to control the liquid level, although there are many methods such as radiation method, electromagnetic method and thermocouple method, but not very satisfactory. Photometry measures the height of the liquid surface in ladle, tundish and mold. By the objective lens, optical filters, light and electronic processing signals form the optical measurement system. The receiving area is 0.3 cm × 2.5 cm. Photometer obtained by the light spot, is by light