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公开(公告)号：US4652287A
公开(公告)日：1987-03-24
申请号：US643586
申请日：1984-08-23
摘要： A substantially uniform blanket of solid carbon dioxide (i.e., snow) is formed by introducing a plurality of low velocity streams of CO.sub.2 solid and gas generally downwardly into a funnel section which exhibits an increasing, generally rectangular cross-sectional area in the direction of flow of the CO.sub.2 streams. Baffle means are provided in the upper reaches of the funnel section and are effective to initially separate the CO.sub.2 streams introduced into the funnel section from one another and to cause the resulting solid carbon dioxide to fall generally downwardly and uniformly throughout the cross-sectional area of the funnel section to thereby form a substantially uniform blanket of CO.sub.2 snow in a container for products to be refrigerated.
摘要翻译： 通过将多个低速CO 2固体和气体的气体大致向下引入到漏斗部分中形成基本上均匀的固体二氧化碳覆盖层（即，雪），该漏斗部分在流动方向上呈现增加的大致矩形横截面积 的二氧化碳流。 挡板装置设置在漏斗部分的上部，并且有效地将引入到漏斗部分中的CO 2流彼此分离，并且使得所得到的固体二氧化碳在整个横截面积的整个横截面积 漏斗部分，从而在要冷藏的产品的容器中形成基本上均匀的二氧化碳覆盖层。
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公开(公告)号：US4476686A
公开(公告)日：1984-10-16
申请号：US426314
申请日：1982-09-29
申请人： Scott T. Madsen , Ralph E. Johanson
发明人： Scott T. Madsen , Ralph E. Johanson
摘要： A product such as ground meat is efficiently chilled in a blender device having an open top. Liquid carbon dioxide is introduced into the blender at a location below the surface of the product to thereby form solid and gaseous CO.sub.2. Mixing elements such as a ribbon screw or the like are operated to pass the product in a countercurrent relation to the carbon dioxide introduced into the blender thereby chilling the product and causing the resulting CO.sub.2 gas to rise along one wall of the blender. Deflector means are provided along such wall to direct the rising vapor toward an exhaust plenum located above the open top of the blender.
摘要翻译： 在具有开口顶部的搅拌器装置中有效地冷却诸如碎肉的产品。 在产品表面下方的一个位置将液态二氧化碳引入混合器，从而形成固体和气态二氧化碳。 操作诸如丝带螺丝等的混合元件使产品与引入混合器的二氧化碳成逆流关系，从而使产品冷却并使得所产生的CO 2气体沿着搅拌机的一个壁上升。 偏转器装置沿着这样的壁设置，以将上升的蒸汽引导到位于搅拌器的敞开顶部上方的排气室。
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