常用于对水、牛奶、果汁等进行加热，也可用于温热中药、烧泡饭、煮鸡蛋、面条、菜汤等.直接加热元件是用直径为6—8mm的铜或不锈钢管做成的螺旋状或半圆状的加热棒，内藏电热丝，管端装在一塑料接线盒内，并加密封，管外表镀有防腐层.常用有300瓦、40瓦、500瓦等多种.加热棒结构简单、体积小、携带方便，热效率高，使用安全，价格便宜.Immersion drink beverages directly to the electric heating appliances. Also known as heat faster or liquid heaters. Commonly used in water, milk, juice, etc. for heating can also be used to warm traditionalChinesemedicine, burning Pao Fan, boiled eggs, noodles, soup and so on.Directheating element is 6-8mm diameter copper or stainless steel pipes made ofspiralor semi-circular-shaped heating rods, containing electricwire, tube-side mounted on a plastic wiring box, and addseal, tube surface coated with anti-corrosion layer. used 300 watts, 40 watts, 500 watts and so on. Heater simple structure, small size, portable, high heat efficiency, the use of safe and inexpensive.2100433B