Moisture will be produced during the exothermic process. The function of activated carbon is to absorb moisture and ensure the reaction environment.
The heating principle of Nuanbaobao:
The heating raw material of Nuanbaobao is a polymer synthesized from iron powder, activated carbon, vermiculite, inorganic salts and 'water. The gelatin layer is torn. , can react immediately with oxygen in the air to produce an exothermic reaction.
The baby hot patch uses the principle of “oxidation and heat release” of iron. It mainly uses carbon powder, iron powder, water and salt water with some additives to form a primary battery to discharge. There are no positive and negative electrodes, electrons Positive and negative electrons cannot be separated and exported, directly forming a short circuit, thereby generating heat. Heis composed of three parts: a raw material layer, a gelatin layer and a non-woven bag.
The raw material layer is placed in a non-woven bag and the gelatin layer is used to adhere the thermal patch to the clothing. The raw material layer is a polymer synthesized from iron powder, shell activated carbon, sodium chloride, water, etc., which can undergo exothermic reaction under the action of oxygen from the 'air. The function of activated carbon should be to absorb excess moisture generated during the reaction process and ensure that the reaction environment contains many pores inside, which can naturally absorb and warm the fungi emanating from the skin caused by the heat of the baby patch.
First of all, charcoal is basically not used as a raw material in industry to produce CO and H2. Even if it is used, it will notacts not with water but with water vapor. At present, most industrial production of CO and H2 uses coal as a raw material to produce aquatic gas. The composition of water gas is relatively complex, mainly containing CO2, CO, H2, water vapor, sulfur-containing gas, N2, CH4, etc. .
Theoretically speaking, C+H2O=CO+H2, completely converting 12 tons of C to co\h2 requires 18 tons of water vapor.