Charging Discharging Manipulation of charge

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F27Furnaces F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE

F27D3/00Charging Discharging Manipulation of charge

F27D3/0021of ceramic ware F27D3/0022Disposition of the charge F27D3/0024of metallic workpieces F27D3/0025Charging or loading melting furnaces with material in the solid state F27D3/0026Introducing additives into the melt F27D3/0027Charging vertically with corbs F27D3/0028Corbs F27D3/003Charging laterally F27D3/0031Charging with tiltable dumpers F27D3/0032using an air-lock F27D3/0033charging of particulate material F27D3/0084Charging; Manipulation of SC or SC wafers F27D3/02Skids or tracks for heavy objects F27D3/022Skids F27D3/024Details of skids F27D3/026transport or conveyor rolls for furnaces; roller rails F27D3/028Roller rails or succession of small sized rollers F27D3/04Ram or pusher apparatus F27D3/06Charging or discharging machines on travelling carriages F27D3/08Screw feeders Screw dischargers F27D3/10Charging directly from hoppers or shoots F27D3/12Travelling or movable supports or containers for the charge F27D3/123Furnace cars F27D3/14Charging or discharging liquid or molten material F27D3/145Runners therefor F27D3/15Tapping equipment Equipment for removing or retaining slag F27D3/1509Tapping equipment F27D3/1518Tapholes F27D3/1527Taphole forming equipment F27D3/1536Devices for plugging tap holes F27D3/1545Equipment for removing or retaining slag F27D3/1554for removing the slag from the surface of the melt F27D3/1563by the use of scrapers F27D3/1572by suction F27D3/1581by the use of blowers F27D3/159for retaining slag during the pouring of the metal or retaining metal during the pouring of the slag F27D3/16Introducing a fluid jet or current into the charge F27D3/18Charging particulate material using a fluid carrier