螺旋式海砂淡化設備是利用螺旋葉片將淡化劑與海沙攪拌混合并能夠將海沙中的氯離子溢流出去的設備。它既起到了淡化劑的攪拌添加又起到了洗砂機的作用，可謂是一機兩用。

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.