Ladle Filling Sand

Ladle Filling Sand Introduction:

Ladle sand (filler sand) is a type of compound sand used by foundrymen to protect the tap/slide gate at the egress point of the ladle, and also at other points throughout the pot.

Filler Sand for Ladle Nozzle is poured on the ladle slide gate door with the role of protecting the ladle slide gate is amongst the materials which in spite of its low consumption plays an important role in optimized steel manufacturing such that opening of the slide gate should happen with no time delay since regarding continuity of steel slab production process, any stop in production, in addition to loss of time it also increases the production expenses.

Ladle Filling Sand Application

High refractoriness and heat resistance to a temperature of up to or greater than 1700C
Excellent physical and chemical resistance and not affect analysis and fusion compounds during melting operations.

Description

Ladle filler sand is commonly used in smelting industry. The Ladle filler sand has the advantages of good fluidity, good permeability, fast flow rate and resistance to molten steel erosion. The Ladle filler sand is mainly used in the smelting process of metallurgical industry to improve the quality and output of steel and reduce the product cost. The Ladle filler sand is an essential refractory for the tapping of eccentric furnace.

Ladle Filler Sand Benefits

1.In the processes of secondary steel refining, this sand filler is being used as a thermal insulating barrier that has the ability to separate the liquid metal and will keep it from creating any direct contact with the system of slide gate of the steel ladle
2.Casting ladle sand can be used in the filler nozzle, preventing any risk of molten metal build up there
3.Filler sand can also be used for tapping the holes
4.Ladle sand can also be used outside the furnace, in the furnace lining outside the furnace in the furnace refining lining, lining parts of ladle slag
5.Its refractory castable comes with good mechanical behavior and high refractoriness even under high temperature which has the ability to ensure more efficiency
6.Ladle filler sand containing refractories can be used in a wide range of ladles, able to operate at the highest temperatures in the modern foundry

 

The steel ladle refractories are some of the most important and highest consumption areas for refractory in the industry of steel making, having been used in the industry for many years in the continuous casting process.

How is ladle filler sand used in foundries for pouring metal?
A ladle is used in the foundries to receive molten metal or steel and to move it between furnace and where it is to be casted into a mould. The metal is at extremely high temperatures and is liquid. At the opening of the slide gate, the majority of the casting ladle sand will flow out from both the nozzle and the area around the gate, while the ferrostatic pressure in the ladle which is being exerted by the steel will cause the sintered layer to break, thereby releasing the molten metal.

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