Abstract: Mechamical calculation method for jacket vessel with spiral plate, spiral plate setting and strength check were discussed, it shows that spiral plate can be used as stiffening ring.

• 文摘:介绍带螺旋导流板的夹套容器强度计算方法、螺旋导流板的设置及强度校核等，螺旋导流板可起到加强圈的作用。