塩えん浴よく炉ろえんよくろMeanings1nounsalt bath furnaceTechnical term used in metallurgy and heat treatment for a furnace that uses molten salt as a heating medium.塩えん浴よく炉ろは金きん属ぞくの熱ねつ処しょ理りに使つかわれる。Salt bath furnaces are used for heat treatment of metals.