Anti-caking agent-free low-sodium salt and preparation method thereof

The invention relates to the technical field of salt condiments, and discloses an anti-caking agent-free low-sodium salt and a preparation method thereof, and the preparation method comprises the following steps: dissolving a proper amount of Arabic gum in water, and diluting to obtain an Arabic gum liquid; adding potassium chloride into the Arabic gum liquid, and stirring until the potassium chloride is completely dissolved to form a coating solution; sodium chloride is placed in fluidized bed coating granulation equipment, a draught fan, a heating device, a spray gun and an ash removal device are started in sequence, and after materials are fluidized and heated to a set value, the sodium chloride is heated and dried; introducing the coating solution into the fluidized bed coating granulation equipment through a peristaltic pump, atomizing the coating solution through a spray gun to form fine liquid drops, and continuously attaching the fine liquid drops to the surface of sodium chloride in a fluidized bed t