双低菜籽脱皮冷榨膨化新工艺的研究

New Process of Dehulling-Cold Pressing-Expansion for Double-Low Rapeseed

将菜籽脱皮分离系统、双螺旋榨油机、高含油料挤压膨化机组装集成,形成了双低菜籽脱皮冷榨膨化新工艺,分析了新工艺的技术经济可行性。新工艺具有降低生产成本,提高产品质量,增加经济效益等突出特点。其生产成本为每吨142.85元,比预榨浸出工艺节约生产成本近20%;冷榨油达到国家二级菜籽油标准;浸出粕粗蛋白质含量达46%以上,达到一级饲料用低硫甙菜粕标准。脱皮冷榨膨化新工艺实现了双低菜籽的高效加工,产业化应用前景广阔。

Rapeseed dehuller, twin-screw press and expander were assembled to a new process for double-low rapesded. The technical and economic feasibility of the new process were analyzed. It can reduce conversion cost, improve quality of oil and meal and increase economic benefit. The conversion cost of new process is 142.85 Yuan·t^-1, which is less than pre-pressing extraction process by 20%. Cold pressing oil meets the standard of the second grade rapeseed oil of GB 1536-1986. Rapeseed meal meets the standard of the first grade low-glucosinolate rapeseed meal for fodder of NY 417-2000, which protein content is more than 46%. The new process come up to high profit .Its industrialization and application are promising.