johansson type crystal method

The Comparison between the Fluid Resistance Drop Calculation Value of Johnson Screen and Wire-cloth;

约翰逊网与编织网的流体阻力降计算值之比较

In this paper, through the comparison of the types of several screens used in fixed bed reactor, the features of Johnson screen were described.

通过对固定床反应器中所用的几种筛网形式进行比较,说明了约翰逊网的特点,简要介绍了约翰逊网国产化的过程、遇到的问题和所作的改进,以及在固定床反应器中的应用情况。