Method and device for rapidly liquefying solid components of electrolyte

The invention belongs to the field of electrolyte preparation, and particularly relates to a method and a device for quickly liquefying solid components of an electrolyte. A solvent circulation loop is established outside a solvent storage tank, so that a solvent in the solvent storage tank circularly flows between the solvent storage tank and the solvent circulation loop, electrolyte solid components enter the solvent circulation loop in a parallel flow mode to be mixed with the solvent, and the temperature of mixed liquid obtained after mixing is controlled to be not higher than the set temperature through cooling. And continuously circulating the solvent until the solid component of the electrolyte is liquefied. The cooled solvent is mixed with an electrolyte solid component in an external solvent circulation loop, the mixing efficiency is high, and the mixed liquid is re-mixed into the residual solvent of the system, so that local accumulation of dissolution heat during dissolution and heat release of the