蒸馏水器的蛇形紫铜管或不锈钢管沉浸在冷却水中,管内通蒸汽,管外与冷却水接触,管的外壁往往结上一层厚而坚硬的水垢,需经常酸洗。我们在蛇形管外包一层纱布,实践证明,仅在纱布上附着一些松软的水垢, Distilled snake-like copper or stainless steel pipe immersed in cooling water, the tube through steam, pipe and cooling water contact, the outer tube often end with a layer of thick and hard scale, to be often pickling. We outsource a layer of gauze in a serpentine tube, and it turns out that only some loose scale is attached to the gauze,