The invention relates to a metallurgical melting vessel comprising a fireproof ceramic lining through which a tuyere arrangement (20) for introducing a fluid into a molten metal extends.

A waste treatment system is provided, including a waste melter system (14) and an air pollution control system (16).

The known melting crucible does have good corrosion resistance with respect to the quartz glass melt, but the material costs are high because of the expensive coating metals.

The method can actively cope with the change.

When melting raw material in the melting crucible, the thermal insulation system is in the first position and is thereafter switched into the second position in order crystallize out the melt.

The pressure in a melter gasifier (11) is controlled dependent upon the penetration depth by changing the opening of a scrubber cone (4).

In such an apparatus, a reduced iron discharge device (222) is installed between the pre-reducing furnace (12) and the melter-gasifier (11).

The invention relates to a refractory ceramic gas bubbling element for a metallurgical crucible and to a corresponding gas bubbling system comprising such a gas bubbling element.

This is why the Occult Fraternity saw the necessity of converting the North American territory into a melting crucible of races.

When employing a vertical gradient freeze (VGF) method, for example in order to produce multicrystalline silicon, the thermal insulation system is disposed at the bottom or beneath a melting crucible.