Teeming is the process by which liquid steel is poured in to mould to get ingots. There are two types of teeming, top pouring (TP) and bottom pouring (BP) depending upon the pouring system in to moulds. To increase productivity emphasis to be given on teeming practices.
The parameters of quality teeming are:
a) Good opening of teeming.
b) Time of filling mould.
c) Metal level control in mould.
d) Butt control.
e) Aluminum addition to arrest bleeding (if needed).
f) Minimisation areal oxid
Hot metal coming from the Blast Furnace is taken to the Mixer and stored there, The function of the Mixer is to act as a buffer stock between the Blast Furnace and the B.O.F Shop and to homogenise the chemical composition and equalise the temperature of liquid hot metal from different Blast Furnace casts.
In the B.O.F Shop there are two Mixers of 1,:300 1. capapity, T.P.E (Russia) rake, Inactive type to take care of the production needs.