The brine evaporator is suitable for processing rooms and refrigeration rooms using brine based refrigerants such as ethylene glycol and glycerol. It adopts a 400/500/630mm external rotor fan, 12.7mm smooth copper tube, corrugated fins, and optimized circuit design. It has the characteristics of compact structure, low side height, low noise, high heat transfer efficiency, good refrigeration effect, and long service life.