螺旋式海砂淡化设备是利用螺旋叶片将淡化剂与海沙搅拌混合并能够将海沙中的氯离子溢流出去的设备。它既起到了淡化剂的搅拌添加又起到了洗砂机的作用，可谓是一机两用。

Spiral sand desalination equipment is desalination agent and sand mixing equipment and can overflow out of the chloride ion in the sand of the sea with spiral blade. It is the sea sand desalination agent stirring plays the role of sand washing machine, it is a dual-purpose machine.