Molton Steel Level Measurement
Molton Steel Level Measurement
(OP)
Our present practice to achieve the bath height is to attach a metal bar to the blowing lance. This bar is dipped into the bath and the remaining bar length is measured considering the lance position. The duration of this measurement is rather long and the measurement itself is relatively inaccurate. the bath height is only measured periodically.
We like to try a radar system to improve measurement accuracy, or maybe go to a nuclear level systems.
Here are a few parameters, I have for my application
Diameter of the opening: 36 inches
Measuring distance: 50 feet
Inside diameter of the vessel: 16.5 feet
Pressure: atmosphere pressure
Material: liquid steel
Ambient temperature: ~20 Deg. C
Radiant temperature: ~63 Deg. C
During the blowing process, the gas temperature and steam flow are highest. Bath height measurements are taken after the blowing process.
We would like to keep the transmitter away from the opening, maybe some waveguides required.
Anyone have some experence?
Thanks!
We like to try a radar system to improve measurement accuracy, or maybe go to a nuclear level systems.
Here are a few parameters, I have for my application
Diameter of the opening: 36 inches
Measuring distance: 50 feet
Inside diameter of the vessel: 16.5 feet
Pressure: atmosphere pressure
Material: liquid steel
Ambient temperature: ~20 Deg. C
Radiant temperature: ~63 Deg. C
During the blowing process, the gas temperature and steam flow are highest. Bath height measurements are taken after the blowing process.
We would like to keep the transmitter away from the opening, maybe some waveguides required.
Anyone have some experence?
Thanks!





RE: Molton Steel Level Measurement
The suppliers may know of special installation practices to accommodate molten metal. I would contact some of the suppliers. Ohmart-Vega is in both the nuclear and radar market. Berthold, Thermo Electron and Ronan are other nuclear suppliers. Endress-Hauser, Krohne and Rosemount are other radar suppliers.
RE: Molton Steel Level Measurement
Keith Cress
Flamin Systems, Inc.- http://www.flaminsystems.com
RE: Molton Steel Level Measurement
RE: Molton Steel Level Measurement
There was a pinion and rack that lowered a probe. When the tungsten tip on the end of the probe touched the glass surface, the completed circuit halted the downward motion. (Molten glass conducts electricity).
The position of the mechanism was read and the probe was lifted clear. The process repeated continously.
The PID controller would "Sample and Hold" the input signal.
respectfully
RE: Molton Steel Level Measurement
Thanks!