The invention discloses a circulating
treatment system of
high concentration salt-containing
wastewater. The
system comprises an evaporating chamber, a condensation chamber, a
solid-liquid separator, a
mixing tank, a
heat exchanger, a
heat pump set, an air cooler and a draught fan, wherein the evaporating chamber, the condensation chamber and the draught fan are connected with each other to form a first circulating loop, a strong
saline water outlet of the evaporating chamber is sequentially connected with the
mixing tank and the
heat exchanger, a water outlet end of the
heat exchanger is connected with a
tower top of the evaporating chamber to form a second circulating loop, a
crystal substance outlet at the bottom of the evaporating chamber is connected with the
solid-liquid separator, and a liquid outlet end of the
solid-liquid separator is connected with the evaporating chamber to form a third circulating loop. The condensation chamber is sequentially connected with the condensation chamber of the
heat pump set, the heat exchanger, the evaporating chamber of the
heat pump set and the air cooler. A water outlet end of the air cooler is connected with a
tower top of the condensation chamber to form a fourth circulating loop. After circulating treatment of
wastewater through the circulating loops, salt in the
wastewater can be crystallized and recovered, and water produced can be recycled, so that resourceful and harmless treatment of
high concentration salt-containing wastewater is realized.