A polystyrene foam compacting recovery device and its working method are disclosed. The polystyrene foam compacting recovery device comprises a cooling tank (2) and an oil bath (1), wherein the oil bath tank (1) is filled with heat conducting oil (11), and the density of the heat conducting oil (11) is not more than 0.95 grams / cubic centimeter, and the cooling groove (2) is filled with water (21) for cooling. The top of the oil bath slot (1) is arranged for adding polystyrene. At the bottom of the foam block (31), the bottom end of the oil bath (1) is provided with a closed outlet (12). When used, the temperature of the hot oil (11) in the oil bath (1) is heated to 150 to 180 degrees, so that the polystyrene foam block (31) melted in the oil bath tank (1) is melted into liquid polystyrene (32) and air spilled in the polystyrene foam block (31).
【技术实现步骤摘要】
【国外来华专利技术】PCT国内申请,说明书已公开。
【技术保护点】
PCT国内申请,权利要求书已公开。/n
【技术特征摘要】
【国外来华专利技术】PCT国内申请,...
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