What reaction does the heat of self-heating rice and self-heating hot pot come from?

Self-heating chafing dish does not need fire or electricity, and is mainly composed of ingredients, an ingredient pot, a pot cover, an outer pot and a heating bag. The heating principle is to use the material in the heating bag to contact with water to release heat, so that the temperature of the food in the feeding pot will rise after absorbing heat.

Self-heating rice has a heating bag, which contains coke powder, activated carbon, salt, quicklime and other substances. The temperature rises within 3-5 seconds after meeting water, and the temperature can be as high as 150℃, the steam temperature can be as high as 200℃, and the heat preservation time can be as long as 3 hours, so it is easy to make raw rice into cooked rice. Let's take a look at the principle of Bian Xiao self-heating rice heating package.

The result of the reaction between the water bag in the lunch box and the heating agent packaged in non-woven fabric. Once the plastic strip is pulled apart, the water bag will burst. At this time, the heating agent will react with water, so that the heating agent will radiate heat evenly and generate heat as high as 120℃. After 5-8 minutes, when the temperature of the food reaches 55℃-70℃, you can eat delicious food.