What is ladle treatment?

Treatment ladle: a ladle used for a process to take place within the ladle to change some aspect of the molten metal. A typical example being to convert cast iron to ductile iron by the addition of various elements into the ladle.

What is the function of ladle furnace?

A ladle furnace is used to relieve the primary process of steel making of many of the secondary refining operations. The main functions of a ladle furnace are as follows. Reheating of liquid steel by electric power which is conducted by graphite electrodes.

What element is ladle?

Today, the most important are the alloy steels, broadly defined as steels containing significant amounts of elements other than iron and carbon. The principal alloying elements for steel are chromium, nickel, manganese, molybdenum, silicon, tungsten, vanadium, and boron.

What is the advantage of pouring molten metal from the bottom of a ladle?

The benefits of bottom pouring ladle: reduce slag in casting, easier filling of mould , controlled and faster pouring. The choice of correct stopper/nozzle design has direct influence on performance of system and the prevention of molten metal leakage or stopper sticking.

What is ladle refining furnace?

Refining. Ladle Refining Furnaces (LRF) are used to raise the temperature and adjust the chemical composition of molten metal. Without LRFs, higher tap temperatures are normally required from steel making furnaces due to heat losses during refining with conventional ladles.

What is the meaning of ladle analysis?

The results of the chemical analysis of a test sample taken during the pouring of a melt. Also called heat analysis.

What is ladle furnace slag?

Ladle furnace reducing slag (LFS) is a byproduct of steelmaking industries obtained from the ladle furnace refining of carbon and low alloy steels. This process makes it possible to eliminate the sulphur and takes place in the presence of a basic slag in which the most significant oxides are SiO2, Al2O3, CaO, and MgO.

What is torpedo ladle?

Torpedo ladle cars are used to transfer molten iron from the iron-making section of the plant to the steel-making section. Under normal conditions, the residence time of the molten iron in the ladle is two to four hours, and the distance traveled is usually less than one-half mile.

What are the different types of pouring ladles?

5 Main Types of Pouring Ladles | Metal Castings

  • Type # 1. Hand Ladle: It is a bucket with removable, lever arm and handle shank.
  • Type # 2. Shank or Bull Ladle: A shank or bull ladle is carried by two persons and used for medium capacity of molten metal.
  • Type # 3. Tea Pot Ladle:
  • Type # 4. Bottom-Poured Ladle:

What is SMS in steel plant?

Steel Melting Shop (SMS) receives Hot Metal (HM) from Iron-making units and converts it into various grades of Steel and casts them into Slabs, Blooms, Billets, Beam blanks, Rounds and thin slab- HR coils.

What is VD in steel making?

Vacuum Degassing (VD) treatment is used to reduce the dissolved gas content (e.g. hydrogen, oxygen, nitrogen) of the steel to enhance the steels capabilities. Vacuum Degassing (VD) treatment is used to reduce the dissolved gas content (e.g. hydrogen, oxygen, nitrogen) of the steel to enhance the steels capabilities.

What is ladle analysis of steel?

The chemical analysis of a heat or blow of metal that is reported to the purchaser. It is determined by analyzing specified elements from a test ingot sample from the first part or middle part of the heat or blow during the pouring of the metal from the ladle.