LANCE PIPE, DEGASIFICATION EQUIPMENT, CONTAINER WITH DEGASIFICATION EQUIPMENT AND TROUGH WITH DEGASIFICATION EQUIPMENT

摘要

PROBLEM TO BE SOLVED: To provide a lance pipe, degasification equipment, a container with the degasification equipment and a trough with the degasification equipment which are structured so as to attain efficient degasification of molten metal.;SOLUTION: The lance pipe 1 is provided for blowing insoluble gas into the molten metal to thereby attain degasification thereof, the lance pipe 1 is provided with a metal-made pipe main body 10 and a coating material 20 of porous refractory material covering the pipe main body 10, wherein the pipe main body 10 at its side wall is formed with gas outflow holes 16 coated with coating material 20.;COPYRIGHT: (C)2008,JPO&INPIT