摘要
利用自行开发的双螺杆食品挤压机对棉籽粕进行挤压脱棉酚试验 ,考察了含水率、螺杆转速和喂料速度等参数对脱毒效果与挤出产量的影响。实验中采用响应表面法进行实验方案设计和数据分析。结果表明 :减低含水率、喂料速度 ,提高螺杆转速可使脱毒效果改善。喂料速度是影响挤出产量的主要因素。喂料速度越大 ,产量越大 ,因而实际中脱毒效果与产量间存在如何均衡的问题。文中相应给出了本实验条件下的几个响应模型 ,用以评价各加工变量的影响。
Effects of varying screw speed, moisture content and feed rate on cottonseed meal de gossypol result were studied using a twin screw extruder and Response Surface Methodology (RSM) was utilized to carry out the experiment design and data processing. Experimental results indicated that decreases in moisture content and feed rate, and increases in screw speed improved the de gossypol results. Feed rate exerted the main effect on the throughput. Larger feed rate would lead to larger throughput, and thus there existed a tradeoff between a good de gossypol result and high throughput obtained. Several response models were also put forward to approximately evaluate the influence of different processing variables. In addition, a satisfying de gossypol result was also presented by the screw configuration used in this paper.
出处
《农业工程学报》
EI
CAS
CSCD
北大核心
2000年第6期110-113,共4页
Transactions of the Chinese Society of Agricultural Engineering
关键词
棉籽粕
双螺杆挤压机
挤压脱棉酚
响应表面支
cottonseed meal
twin screw extrusion
extrusion de gossypol
response surface methodology(RSM)
