期刊论文

中文

武汉轻工大学学报

2095-7386

2019

38

5

63-68

10.3969/j.issn.2095-7386.2019.05.013

湖北省粮食局“优质粮食工程”科技创新项目(编号:201702).

本校为第一机构

为了深入研究卧式铁棍喷风碾米机的喷风速度对碾白压力的影响,对喷风碾米过程进行气固耦合仿真。首先分别建立了碾米过程的离散元模型和流体域模型,然后对不同的喷风速度下的碾白过程进行耦合仿真,对碾白室内糙米受力均匀性情况进行分析,确定了最佳的喷风速度。结果表明:喷风速度为15 m/s时,糙米所受碾白压力最均匀,10 m/s时次之。上述方法可以应用在碾米机的工艺参数确定中,并对类似颗粒物加工过程的气固耦合仿真应用有一定的参考意义。

In order to further study the influence of the spray speed of the horizontal iron rod spray rice mill on the whitening pressure,the EDEM-Fluent coupling method was used to simulate the spray milling process. Firstly,the discrete element model and the fluid domain model of the rice mill were established respectively. Then the whitening process under different spray speeds was simulated,and the uniformity of the brown rice in the whitening room was analyzed to select the best spray. Wind speed. The results show that when the air blowing speed is 15m/s,the whitening pressure of the brown rice is ...