期刊文献+

实验型喷雾干燥机低温干燥牛初乳粉的干燥性能 被引量:9

Low-temperature spray drying performance of laboratory spray dryer for bovine colostrum powder
下载PDF
导出
摘要 为了提高牛初乳粉的回收率,该文选择输入气体温度、压缩气体流量以及干燥气体流量为影响因素,通过测定出口气体温度和牛初乳粉在干燥器各部件中的损失量以及产品的回收量,对牛初乳低温喷雾干燥过程的热效率和牛初乳粉的收集指标进行试验研究。结果表明:出口气体温度与3个影响因素均成正比关系,总的热效率和蒸发热效率的范围分别为47.23%~66.68%、58.59%~82.76%,二者均随干燥气体流量和压缩气体流量的增加而减小;牛初乳粉的黏壁率较大,且随干燥气体流量的增加而增加,随压缩气体流量的增加而减少,牛初乳粉的回收率较小,且随压缩气体流量和干燥气体流量的增加呈下降趋势。3个因素对牛初乳粉的黏壁率、损失率和回收率均有显著影响。在试验范围内,较佳的工艺参数组合为输入气体温度为110℃,压缩气体流量为300L/h,干燥气体流量为0.78m3/min。该试验为牛初乳粉的工业化生产提供了相关的基础性数据。 To improve product recovery of bovine colostrum powder,spray dryer's thermal efficiencies and collection conditions of bovine colostrum powder during low-temperature spray drying were investigated,by choosing inlet air temperature,compressed air flow rate and drying air flow rate as independent variables,and measuring outlet air temperature,residue accumulation on different parts of dryer and product recovery.It could be concluded that outlet air temperature was directly proportional to three independent variables,overall thermal efficiency and evaporative efficiency varied from 47.23% to 66.68%,from 58.59% to 82.76%,respectively,and they decreased as drying air flow rate and compressed air flow rate increased.Results also indicated that residue accumulation increased as drying air flow rate increased and compressed air flow rate decreased;product recovery decreased as compressed air flow rate and compressed air flow rate increased.Residue accumulation,product recovery and product loss were significantly affected by three drying parameters.The optimal drying process parameters obtained were as follows:inlet air temperature of 110℃,compressed air flow rate of 300 L/h,and drying air flow rate of 0.78 m^3/min in this experiment.The results were expected to provide some fundamental data for the industrial production of bovine colostrum powder.
出处 《农业工程学报》 EI CAS CSCD 北大核心 2010年第10期361-366,共6页 Transactions of the Chinese Society of Agricultural Engineering
基金 南方大城市郊区牛场环境控制技术及奶牛应激综合防控技术研究与产业化示范国家科技支撑计划(2006BAD04A14)
关键词 干燥 参数评估 回收率 牛初乳 黏壁率 热效率 drying parameter estimation recovery bovine colostrum residue accumulation thermal efficiency
  • 相关文献

参考文献18

  • 1李云飞,王成芝,吴明.奶牛初乳冻干时间组合设计试验研究[J].农业机械学报,1998,29(2):78-82. 被引量:6
  • 2曹劲松,王晓琴.牛初乳功能食品的开发现状和前景[J].食品科学,1999,20(5):14-17. 被引量:42
  • 3高丽霞,郭爱萍,雒亚洲.牛初乳中的活性成分及其开发利用[J].农产品加工(下),2010(4):45-47. 被引量:8
  • 4Gapper L, Copestake D. Analysis of bovine immunoglobulin G in milk, colostrum and dietary supplements: A review[J]. Analytical and Bioanalytical Chemistry, 2007, 389(1): 93- 109.
  • 5Masters K. Spray Drying Handbook, Fifth ed[M]. Longman Scientific and Technical, England, 1991.
  • 6Goula A M, Adamopoulos K G.Effect of maltodextrin addition during spray drying of tomato pulp in dehumidified air: ii. powder properties[J]. Drying Technology, 2008, 26(6): 726-737.
  • 7刘文慧,王颉,王静,牟建楼.喷雾干燥南瓜粉生产工艺研究[J].食品科技,2007,32(9):62-65. 被引量:7
  • 8Papadakis S E, Gardeli C. Spray drying of raisin juice concentrate[J]. Drying Technology, 2006, 24(2): 173 - 180.
  • 9Roustapour 0 R, Hosseinalipour M. An experimental investigation of lime juice drying in a pilot plant spray dryer[J]. Drying Technology, 2006, 24(2): 181-188.
  • 10AOAC Official Method 972.16, 1998, Fat, lactose, protein, and solid in milk[S].

二级参考文献37

共引文献78

同被引文献138

引证文献9

二级引证文献43

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部