Cooling equipment for entecavir intermediate production

The utility model relates to the field of chemical equipment, and particularly discloses cooling equipment for entecavir intermediate production, which comprises a reaction tank, wherein a circulatingtop cavity is formed in the top of the reaction tank, a circulating bottom cavity is formed in the bottom of the reaction tank, a snakelike hollow stirring rod is rotatably arranged in the reaction tank along the central axis of the reaction tank, and cooling liquid in the circulating top cavity can enter the snakelike hollow stirring rod through a hollow rotating top rod; a hollow rotating bottom rod is rotatably arranged on a bottom plate of the reaction tank along the central axis of the bottom plate in a penetrating manner, and cooling liquid in the S-shaped hollow stirring rod flows through the hollow rotating bottom rod and then enters the circulating bottom cavity; and a stirring motor for driving the snake-shaped hollow stirring rod to rotate is mounted on a top plate of the circulating top cavity. Accord