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本发明是关于以树脂为粘结剂的树脂砂的回收再生方法和装置,其结构如图。本发明的技术范围包括:在上箱12和下箱14中,加入以树脂为粘结剂的砂子;在砂层内设有吹入空气的管道154,在浇入型内熔融金属液的热量作用下,加热空气和使树脂部分的烧结;在进行旧砂再生的同时;使之产生低发热量的可燃气体,并在铸型上面燃烧;通
The present invention relates to a method and an apparatus for recovering and recovering resin sand using a resin as a binder. The structure of the resin sand is shown in FIG. The technical scope of the present invention includes: adding sand with a resin as a binder into the upper tank 12 and the lower tank 14; providing a pipe 154 for blowing air into the sand tank to heat the molten metal in the molten metal Under the action of heating the air and the resin part of the sintering; in the old sand regeneration at the same time; so that low-calorific combustible gases and combustion in the mold; pass