Description:

To achieve high output: In order to ensure the cleanliness of molten steel in the ladle, if we detect s, weso that it will eHowever, if we use slag detection system, we can detect slag accurately and timely, so that the Improve the cleanliness of molten steel: The steelmakinggets makingAvoid blockage of the nozzle: The steelmaking  gets.

The composition of the system

The slag detection system mainly consists of five parts: System control flow chart

The working principle of the sensor

The sensor adopts the principle of electromagnetic induction for signal detection, and its typical structure is two concentric coils. When the primary coil is supplied with an intermediate frequency excitation current, due to the action of the magnetic field, an eddy current is generated in the steel flow, and the direction of the magnetic field is opposite to the direction of the magnetic field generated by the coil. Because the conductivity of slag is much lower than that of molten steel at high temperature (about 1/1000), the eddy currents generated in slag are much smaller than those generated in molten steel. In the process of pouring steel, all the molten steel flows out at the beginning of pouring. At the later stage of pouring, there will bemakingingThe principle of sensor construction

The primary coil and the secondary coil are isolated by high temperature resistant materials, and s are. ThenThe installation of the sensor

The sensor is installed in the ladle reference plate, coaxial with the ladle nozzle, and acts as a guide part for the ladle nozzle casing tube The technical indexes

Sampling time: <10ms

System response time: <0.1s

Zero point average volatility: <4%

System detection value accuracy: <5% (duty ratioSlag volume alarm setting value: user-defined (recommended to use 20%)

Average sensor life: >800 heats

Sensor use ambient temperature: <900℃

Operating temperature of secondary instrument: <40℃

Storage and transportation temperature of secondary instrument: -20℃-+70℃