本发明公开了一种晶体大小可控的三水醋酸钠连续结晶工艺,包括步骤:浓缩至熔融态的三水醋酸钠和35~45℃饱和醋酸钠溶液同时连续地进入装有浆料的接收釜中;接收釜中浆料通过循环泵进入结晶换热器中,冷却降温,控制结晶换热器中冷却水与浆料温差为0~10℃;冷却降温后的浆料进入晶体生 The invention discloses a crystal size controllable continuous crystallization process of sodium acetate trihydrate, which comprises the following steps: simultaneously, the sodium acetate trihydrate concentrated in the molten state and the saturated sodium acetate solution of 35 to 45 DEG C continuously enter into a slurry receiving Kettle; receiving tank slurry through the circulating pump into the crystal heat exchanger, cooling and cooling, controlling the crystallization heat exchanger cooling water and the slurry temperature is 0 ~ 10 ℃; cooling the slurry after cooling into the crystal