Waste heat recovery type sludge drying system with vortex tube

The utility model relates to a waste heat recovery type sludge drying system with a vortex tube. The device mainly comprises a drying chamber, a condensation fan, a condenser, a high-pressure stage compressor, a low-pressure stage compressor, an evaporation pressure regulating valve, a gas-liquid separator, an evaporator, an evaporation fan, a heat pipe waste heat recoverer, a liquid storage tank, a drying filter, a vortex tube, a cooler, an electromagnetic valve, a water pump and a connecting pipeline. According to the system, through auxiliary adjustment of the heat pipe waste heat recoverer, the cooler and the evaporation pressure regulating valve and ingenious switching combination of the vortex tube and the two compressors, the energy efficiency ratio of the sludge drying system is improved, the service life of equipment is prolonged, the operation reliability of the sludge drying system is improved, and the economic applicability is high. Heat of industrial wastewater is recovered through the cooler, an