Verified Supplier | Hunan Kemeida Electric Co., Ltd.
Hunan Kemeida Electric Co., Ltd.

China Manufacturer with main products: Electromagnet, Electromagnetic Stirrer(EMS), Magnetic Separator, Cable Reel, Hose Reel, Lifting Magnets, Rectifier Controller, Assistant...

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Ladle Slag Detection System

Update Time: 2019/4/1

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Ladle Slag Detection System(LSDS) is specially designed and manufactured by KEMEDIA(KMD) for monitoring slag intensity in liquid steel during liquid steel is being poured from ladle to tundish. The LSDS senor is mounted to the manipulator arm of ladle. When slag intensity reaches the set value, sound & light alarms will be given, and ladle gate can be closed in time. This design allows KMD LSDS to generate a reliable and accurate slag alarm far in advance of the slag detection of a human operator. So the user can maximize yield while greatly minimize slag carryover.

Working Principle
LSDS sensor consists of two coils, one for transmitter (T) and the other receiver (R). T produces a steady magnetic field when powered by controlled AC current which is detected by R.
As tapping begins, SEN is totally filled with steel. The maximum signal shielding occurs and the receiver detects the minimum signal. Near the end of the tapping, slag begins to become entrained in the stream and appears in SEN. Since slag does not shield electromagnetic signals, the signal in the receiver begins to increase toward maximum. The received signal is directly proportional to the amount of slag in SEN. When the received signal reaches a certain predetermined set-point level, a slag alarm is activated.

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