CRUCIBLE HEATING APPARATUS AND METHOD

A crucible heating apparatus (20) comprises a crucible (21), a metal cylinder (23) surrounding the exterior of the crucible (21), an electric heating wire (22) wound between the crucible (21) and the metal cylinder (23), a measurement unit for measuring the liquid level position of materials in the...

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG, XINDI, LEE, KUANNG
Format:	Patent
Sprache:	chi ; eng ; fre
Schlagworte:	BLASTING DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING MECHANICAL ENGINEERING METHODS OF STEAM GENERATION OPEN SINTERING OR LIKE APPARATUS OVENS RETORTS STEAM BOILERS STEAM GENERATION WEAPONS
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Beschreibung
Zusammenfassung:	A crucible heating apparatus (20) comprises a crucible (21), a metal cylinder (23) surrounding the exterior of the crucible (21), an electric heating wire (22) wound between the crucible (21) and the metal cylinder (23), a measurement unit for measuring the liquid level position of materials in the crucible (21), and a controller. The electric heating wire (22) includes at least two subsections arranged along longitudinal direction. The heating power of each subsection is controlled respectively by the controller so that the crucible (21) is divided into at least two corresponding temperature control regions (26). A heating method for using the crucible heating apparatus (20) comprises the following steps: step 1: arranging the crucible heating apparatus (20); step 2: putting the materials to be evaporated into the crucible (21); step 3: respectively setting different subsections of the electric heating wire (22) into initial heating power; step 4: evaporating the materials and monitoring the liquid level pos