Calcium chloride dissolving tank

The utility model relates to the technical field of general physical or chemical methods or devices, in particular to a calcium chloride dissolving tank which comprises a first dissolving tank, a second dissolving tank and a third dissolving tank which are arranged in parallel, the second dissolving tank is internally provided with a receiving cavity filled with a sodium carbonate dissolving solution and a transfer chute which is used for separating the receiving cavity and is arranged at the bottom of the second dissolving tank; a constant-temperature component and a heating component which is arranged at the bottom of the first dissolving tank by spacing the constant-temperature component are arranged in the first dissolving tank; a hydrochloric acid dissolving cavity and an adsorption cavity which is arranged above the hydrochloric acid dissolving cavity at an interval are arranged in the third dissolving tank. By arranging the first dissolving tank, the second dissolving tank and the third dissolving tank