Cooling water stirrer and water purifier having the same

A liquid cooler comprising:

• a cooling tank to hold a first fluid in an inner space;
• a separator provided in the inner space of the cooling tank;
• a motor support provided at a top of the cooling tank to cover the cooling tank;
• a motor provided at an upper side of the motor support and having a rotary shaft extending downward through the motor support;
• an evaporator provided in an upper space in the separator, the evaporator being spirally wound to form a first cylindrical space;
• a pipe provided in a lower space below the separator, the pipe being spirally wound several times horizontally to form a second cylindrical space;
• and
• a stirrer coupled to the rotary shaft, the stirrer including:
• a stirring shaft coupled to the rotary shaft;
• body extensions extending downward from a lower end of the stirring shaft;
• and
• blades radially extending from, respectively, corresponding lower ends of the body extensions, the blades being positioned in an inner space of the second cylindrical space,
• wherein the separator includes:
• a bottom layer that is horizontally formed and has a center hole through which the stirrer passes;
• a first extension having a plurality of first vertical ribs extending upward from an edge of the center hole;
• and
• a second extension having a plurality of second vertical ribs extending upward from an edge of the bottom layer,
• wherein the bottom layer is provided between the evaporator and the pipe,
• wherein the bottom layer includes latticed ribs, and the upper space and the lower space communicate through holes formed between the latticed ribs,
• wherein the evaporator is positioned between the first extension and the second extension, and
• wherein the first extension is inserted into the first cylindrical space of the evaporator.