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Among channel furnaces there is a wide range of induction heated equipments depending mainly on alloys produced. We can distinguish:
- Holding furnaces
- Pouring furnaces
- Continuous casting furnaces
- Melting furnaces
The main types of furnaces in iron applications are holding and pouring units. The capacity of channel holding furnaces can exceed 150 tons of iron. Refractory linings can reach up to 5 years of service life, with intermediate changes of the inductor lining. Pouring furnaces, normally pressurised with air or nitrogen, can process units of up to 20 tons, but 5 to 10 tons are mostly used. The main applications are for treated SG iron and for grey iron.
For copper based applications, the channel furnaces can be used for melting, holding, casting and pouring. The CALDERYS Group has a very long experience in this field.
Both for iron and copper based applications, the inductor - should it be single loop, double loop or coreless type - is the crucial element of a channel furnace as it represents the heating tool of the global furnace.
The varying chemistry of alloys and the increased demands in production volumes have influenced the development of our products and concepts.
Our concepts for the lining of channel furnaces are based on knowledge and references from a long cooperation with leading foundries worldwide. This knowledge is not only based on the refractories (we provide solutions for all equipments of all furnaces with a global product range composed of acid, neutral and basic products from castables, self-flowing, gunning, ramming to dry vibratable mixes) but also on the melting process and of course the installation and maintenance of the furnace lining.
Refractories and knowledge are available for all kinds of furnaces involved in both ferrous and copper based alloy applications.
For further information please mail.
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