Seen from the detoxification and flow simulation result, the screw extrusion de-gossypol method and numerical flow simulation of this extrusion process were proved to be effective.

• 从脱毒结果看，螺杆挤压脱毒法效果明显，值得进一步研究和应用；从数值模拟结果看，本文采用的计算方法、处理及程序实现是成功的。