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The specific structure of the insulation cup

Time:2020-03-10 13:14:45

Generally, it is a water container made of ceramics or stainless steel plus a vacuum layer. The top is covered with a tight seal. The vacuum insulation layer can delay the heat dissipation of the liquids such as water installed in the interior to achieve the purpose of heat preservation. The thermos cup is developed from the thermos bottle. The principle of the thermos is the same as the thermos bottle, but people make the bottle for the sake of convenience. There are three ways of heat transmission: radiation, convection and transmission.

The silver cup bladder in the insulation cup can reflect the radiation of hot water, the vacuum of the cup bladder and the cup body can block the transfer of heat, and the bottle that is not easy to transfer heat can block the heat convection. At present, the thermos bottle also uses the principle of magnetized water, which is to add a magnet to the bottom and the cap of the bottle to make the water magnetized.

It is said that magnetized water has magical effects. The wall of the thermos bottle (or thermos cup) is made of double-layer glass, and the middle of the double-layer glass is vacuum (vacuum is not thermally conductive, that is, the hot water is not easily cooled by vacuum to isolate the hot water from the outside world. To achieve the purpose of heat insulation), and its lid is generally used with poor thermal conductivity (such as wooden blocks, hollow plastic, etc.) in the middle of the thermos cup is a double-layer glass bottle liner. The vacuum between the two layers. Or aluminum

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