全脂奶粉喷雾干燥器设计毕设论文.doc

学号 20120704050140 密级 第 3 稿 兰州城市学院本科毕业论文 全脂奶粉喷雾干燥器设计 学 院 名 称： 化学与环境科学学院 专 业 名 称： 化学工程与工艺 学 生 姓 名： 指 导 教 师： 二○一六年五月  BACHELORS DEGREE THESIS OF LANZHOU CITY UNIVERSITY Design of Sprayer Dryer for Whole Milk Power School：School of Chemistry and Environmental Science Subject： Chemical Engineering and Technology， Name： Y Directed by： May 2016  郑 重 声 明 本人呈交的学位论文，是在导师的指导下，独立进行研究工作所取得的成果，所有数据、图片资料真实可靠。尽我所知，除文中已经注明引用的内容外，本学位论文的研究成果不包含他人享有著作权的内容。对本论文所涉及的研究工作做出贡献的其他个人和集体，均已在文中以明确的方式标明。本学位论文的知识产权归属于培养单位。 本人签名： 日期：2016年5月11日 目 录 摘要····································································································· 1 ABSTRACT ····················································································· 2 第1章 绪 论···················································································· 3 1.1 喷雾干燥技术研究现状································································ 3 第2章 设计方案的选取······································································ 5 2.1奶粉干燥简介············································································· 5 2.2喷雾干燥的原理·········································································· 5 2.3喷雾干燥的特点·········································································· 5 2.4喷雾干燥过程············································································· 5 2.5干燥装置流程············································································· 6 2.6干燥器内热空气和雾滴的流动方向·················································· 8 2.7雾化器型式················································································ 9 第3章 工艺计算··············································································· 13 3.1物料和热量衡算·········································································· 13 3.2雾化器的主要尺寸计算 ································································ 15 3.3干燥器的主要尺寸计算································································· 17 3.4附属