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Friday, 25 April 2014

Tapping and Boiling Cupola Furnace

Tapping and Boiling Cupola Furnace Points : Tapping and boiling Cupola Furnace The time of tapping is generally knowable as the inciting rate of an exacting cupola and capability for the ladles are known. Irregular tapping need that the tap hole be opened at intervals to deliver iron to pouring ladles. Tap hole then closed by a plastic clay bott. If the well is allowed to overfill by iron it will drop as of the slag hole where it can he rapidly detected. When the melt level rises, slag will eventually flow as of the slag hole upon tapping the drop in metal level results in end of slag low incessant tapping of iron as of the cupola is mainly usually ready by use of various type of dam on the spout. A level the first butt the melt will take about 9 to 10 minutes used for tapping and after that in time of 5 minutes. Require for molten metal will decide the frequency of tapping. For various cupolas incessant is practiced a fore hearth is provide to collect the metal. For various cupolas continuous tapping is able a tore hearth is provided to save metal.

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