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    • 4. 发明授权
    • Pasteurization apparatus
    • 巴氏杀菌装置
    • US4727800A
    • 1988-03-01
    • US846010
    • 1986-03-31
    • Donald W. RichmondCarl W. ClyneTod M. Holben
    • Donald W. RichmondCarl W. ClyneTod M. Holben
    • A23L3/00A23L3/04C12H1/18A61L2/04
    • A23L3/04A23L3/003C12H1/18
    • This application relates to a precision tunnel pasteurization process in which the spray density is above about 7 gal./min./ft..sup.2 of processing area and the spray is uniformly distributed over the processing area of the pasteurizer whereby the spray water heats the beer to 140.degree. F.-143.degree. F. and then cools the beer to 70.degree. F.-85.degree. F. The spray nozzles are positioned on staggered centers having 9-12" longitudinal spacing and 6" transverse spacing with 3" spacing from side walls and the nozzle bore is 3/8". The nozzle pressure is about 5 psig to 6 psig and the spray nozzles are the type which are the least likely to become clogged. The overlapping hollow cone sprays produce a very uniform spray density at the elevation of the top of the cans or bottles.The improved pasteurizer also has the first heating zone regenerative with the first cooling zone. The advantages of this arrangement are particularly significant on a double deck pasteurizer with sprays only above the top deck. The spray temperature of the lower deck of the first cooling zone is higher than that supplied to the upper deck. The final result is to minimize the total accumulated P.U. difference between decks to less than 3 P.U. This uniformity in P.U. between decks is possible with product temperatures on the lower deck in slight excess of the required 140.degree. F. minimum peak product temperature.
    • 本申请涉及一种精密通道巴氏灭菌方法,其中喷雾密度高于加工区域的约7加仑/分钟/分,喷雾均匀地分布在巴氏消毒器的加工区域上,由此喷射水加热啤酒 至140°F-143°F,然后将啤酒冷却至70°F至85°F。喷嘴位于具有9-12“纵向间距和6”横向间距的交错中心,3' “与侧壁间距和喷嘴孔距离为3/8”。 喷嘴压力为约5psig至6psig,喷嘴为最不可能堵塞的喷嘴。 重叠的中空锥形喷雾器在罐或瓶的顶部的高度处产生非常均匀的喷雾密度。 改进的巴氏灭菌器还具有与第一冷却区再生的第一加热区。 这种布置的优点对于仅在顶层甲板上方的喷雾器的双层巴氏灭菌器特别重要。 第一冷却区的下甲板的喷雾温度高于供应给上甲板的喷雾温度。 最终的结果是最小化总累积的P.U. 甲板之间的差异小于3 P.U. 这种统一性 甲板之间的产品温度可能在下甲板上的产品温度稍微超过所需的140°F最小峰值产品温度。