Question

discuss the constructional features of twin hearth furnace​

Answer 1

Explanation:

A rotary hearth furnace is a direct-reduction device that enables to recover valuable metals from dust produced during the steelmaking process, as well as to produce direct-reduced iron from fine ore. ... Rotary hearth furnaces are also capable of producing direct-reduced iron from fine ore and fine coal.

Answer 2

Answer:

FURNACE  Russia designed , Twin Hearth Furnace are the modernized version of the older Open hearth Furnace.  The management of Bhilai Steel Plant, with a view to enhance steel productivity as well as bringing down the cost of steel, thought of changing Open hearth route to twin hearth.  Route coupled with ingot casting way back in 1984. First twin hearth furnace (THF-I) came into existence in 1986.  Today shops has 4 Twin hearth Furnaces of which 3 furnaces are operational at any movement and 1 furnace may under hot reserve or refractory lining.  Apart from higher productivity and lower operating costs, THFs have got several other advantages as compared to OHFs. From operation point of view.

Explanation:

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