The invention relates to a melting apparatus (100) for melting paraffin (1), having: a melting container (110) for receiving paraffin (1) to be melted; a storage container (190) for storing molten paraffin (4); having a melting container heating device (120) for heating the melting container (110), having a storage container heating device (191) for heating the storage container (190), having a fluid connection (113) fluidically connecting the melting container (110) and the storage container; the melting container (110), the storage container (190), and the fluid connection (113) being arranged so that molten paraffin (4) flows out of the melting container (110) into the storage container (190).

The present invention relates to a process for measuring the temperature of a fusion furnace, in particular for the production of superalloy components with directional (DS)/monocrystalline (SX) grain structure by means of a lost wax precision casting process by means of a temperature probe, said fusion furnace comprising a melting chamber, a thermal chamber in connection with said melting chamber, and an extraction chamber in connection with said thermal chamber, a valve interposed between said two melting and thermal chambers, said probe comprising a thermocouple for high temperatures, a support element for positioning the temperature probe in the melting chamber of the furnace, displacement and measurement means of the position of the thermocouple for displacing and measuring the position of the thermocouple within the thermal chamber of the furnace, control device to actuate and control said displacement and measuring means.

The invention relates to a melting apparatus (100) for melting paraffin (1), having: a melting container (110) for receiving paraffin (1) to be melted; a storage container (190) for storing molten paraffin (4); having a melting container heating device (120) for heating the melting container (110), having a storage container heating device (191) for heating the storage container (190), having a fluid connection (113) fluidically connecting the melting container (110) and the storage container; the melting container (110), the storage container (190), and the fluid connection (113) being arranged so that molten paraffin (4) flows out of the melting container (110) into the storage container (190).