The heat storage principle and material of electric heat solid heat storage device is introduced, and heat transfer analysis is made on the heating and discharging.
介绍了电热固体蓄热装置的蓄热原理和蓄热用材料，对加热过程和放热过程进行了传热分析。
2
An iron metallic material is arranged on the surface of the electricheating wire insulating material, so as to achieve the effect of completely shielding electromagnetic field.
在电热丝元件绝缘材料表面，通过设置铁金属材料，达到了电磁场全部屏蔽效果。
3
The electricheating air bag is used to heat and solidify thermosetting resin of the lining material added in the pipeline.