When using stopper and nozzle technologies for bottom pouring applications it may be desirable to change nozzle diameters between fills of the ladle or even between castings. In normal circumstances this would not be possible as it would require removing and replacing the nozzle and stopper.
Foseco’s Vapex Foslow is a new system that allows for changes in nozzle diameter, even in a full ladle.
Foseco’s Vapex Foslow: A solution to rapid changes of nozzle size in bottom pour applications
Vapex Fosflow alumina graphite nozzles use both carbon and ceramic bond technology. The combination of the two bonding systems provide unique beneficial properties for steel foundry ladle applications. The system contains a base nozzle that remains in the refractory bottom of the ladle and an interchangeable pouring nozzle with possible different inner diameters. This pouring nozzle can be replaced quickly, even within a ladle cycle.
Foseco provides four different sizes in the Vapex Fosflow series: > 45, 65, 100 and 100 extended for large ladles. The Vapex Fosflow nozzle should be used in conjunction with VISO monobloc stopper technology that also allows multiple uses of the stopper.
When using the Vapex Fosflow concept, the nozzle needs to have a different fixing system. Foseco can provide all the necessary metal parts which makes it easy to modify the nozzle ladle mechanism
Benefits are mostly found in steel foundry applications. These include the pouring nozzle can be changed quickly, multiple use of the stopper and nozzle system resulting in labour cost reduction, no cool-down of the ladle is necessary resulting in energy savings and increased ladle lining performance.
When using the Vapex Fosflow concept, the nozzle needs to have a different fixing system. Foseco can provide all the necessary metal parts which makes it easy to modify the nozzle ladle mechanism.
Vapex Fosflow nozzles should be used in conjunction with VISO monoblock stopper technology that allows a multi-use of the stopper. Ladle lining and flow control equipment should be pre-heated following the VISO pre-heating schedule available on request.
To watch a video of the Vapex Fosflow nozzles visit https://bcove.video/2Lr9TrM
For more information contact Foseco on TEL: 011 903 9500 or visit www.foseco.com