What is the principle of self-heating pot self-heating package?

The heating principle of the self-cooking pot: the substances in the heating bag contact with water to release heat, so that the temperature of the food in the upper cooking pot rises after absorbing heat. Generally, the heating package of self-cooking pot consists of sodium carbonate, roasted diatomite, iron powder, aluminum powder, coke powder, activated carbon, salt, quicklime and so on. The main reactant is quicklime, which is the main heat source of heating package.

Generally, hydrated lime is produced by adding water to quicklime, which releases a lot of heat, which can instantly raise the temperature of water from 1 to 137.8℃. Generally, the wok can be heated to above 150℃ by injecting cold water, and the temperature of steam can reach 200℃. When it is used to cook food, a large amount of gas will be generated in the process, which is easy to cause explosion due to improper operation, so when it is used.

Before using the self-heating hot pot, be sure to read the product manual carefully and follow the prompts strictly, especially not to use it in a closed and narrow environment such as cars to avoid open flames; There is a vent hole on the lid of the self-heating hot pot. If the vent hole is blocked, it is easy to cause a small explosion and even burn people. Everyone must open the vent to give it a place to release pressure.

If you use a glass dining table at home, it is best to add a heat insulation pad under the self-heating food to prevent the glass from bursting; Never put it out of the reach of children. In addition, the used instant chafing dish garbage should avoid massive accumulation or direct contact with water, and be classified according to the relevant regulations on domestic garbage management, and the used heating package should be classified according to hazardous waste.