The triple-effect concentrator is suitable for concentrating starch sugars, dairy products, and other materials, particularly for the low-temperature vacuum concentration of heat-sensitive materials. It is safe and reliable with no safety hazards and low failure rate. It has good stability, simple operation, high efficiency with full automation control, and easy maintenance. It is energy-saving and environmentally friendly with a short heating time for materials and fast evaporation speed. The high concentration ratio effectively maintains the original efficacy of the material. It has a long service life, high cost-performance ratio, low operation cost, excellent corrosion resistance, and easier cleaning.