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空气中含有的水汽,当遇到较冷的物体时,水汽会在物体表面形成小水珠,这就是常见的冷凝现象。 厨房的上水(自来水)管外壁最容易形成冷凝水。无论供水是直接来自地下管网,还是来自露天屋顶水箱,水温一般较低且稳定。当使用灶具(以管道煤气为例)的时候,如果供水管周围空气被迅速加热,水管外温度高于管内水温一定值,冷凝现象就出现了,当使用直排式燃气热水器的时候,环状上水管及周围的空气被急速加热,冷凝的同时又被蒸发,
The water vapor contained in the air, when it encounters a colder object, the water vapor will form small beads on the surface of the object, which is a common condensation phenomenon. The condensate is most likely to form on the outer wall of the kitchen’s water (tap) pipe. Whether the water supply comes directly from the underground pipe network or from an open-air roof tank, the water temperature is generally low and stable. When cooking appliances (pipe gas is used as an example), if the air around the water supply pipe is quickly heated and the temperature outside the water pipe is higher than the water temperature inside the pipe, the condensation phenomenon will occur. When using the gas water heater with straight line, the ring The air on the water pipe and its surroundings is rapidly heated and evaporated while condensing.