What type of level gauges are used for level switches in blast furnaces?
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Many people say that radar level gauges are recommended, but considering the actual costs, radar gauges are too expensive and difficult to sell. If anti-torque is recommended, would that work for such companies? .
RF admittance is inexpensive, with slightly lower accuracy
Personal opinion: Radar level gauges are expensive on one hand, and they are not resistant to high temperatures on the other. To address this, cooling gases are used for cooling and purging, waveguides are employed to keep the radar level gauge away from high-temperature environments, and high-frequency radar waves with a small emission angle are used to minimize echo interference. Based on its usage, it functions properly in general; the air supply must not be interrupted during the operation of the radar level gauge. The sensing element of the anti-rotation level gauge is made of high-temperature resistant stainless steel, with a temperature tolerance of up to 1100 degrees, making it suitable for the extreme conditions in blast furnaces.