The invention discloses an energy-saving
heat pump type intermediate-temperature spray
evaporation system which comprises an
evaporation and separation chamber, a condenser, an
evaporator, a
water cooler, a
heat pump, an axial-flow blower, a circulating water pump, a throttling device and a gas-liquid separator / purifier. The interior of the
evaporation and separation chamber is divided into an
evaporation chamber and a separation chamber through a separation plate. The
evaporation chamber and the separation chamber are communicated through a hot air outlet between the top of the separation plate and the evaporation and separation chamber. The axial-flow blower is mounted on the separation plate, a cold water inlet is reserved in the separation plate, and the hot air outlet is reserved in the top of the separation plate. A
liquid storage area is arranged at the bottom of the
evaporation chamber, and a spraying
system is mounted at the top of the evaporation chamber. The
liquid storage area of the evaporation chamber is connected with the spraying
system at the top of the evaporation chamber through the circulating water pump and the condenser. The
evaporator and the
water cooler are sequentially arranged in the separation chamber from top to bottom. The evaporation chamber is connected with an air inlet of the
heat pump through the gas-liquid separator / purifier. An air outlet of the heat pump is connected with the condenser. The condenser is connected with the
evaporator through the throttling device. The system is small in occupied area, low in running cost, flexible and convenient to operate and suitable for being used and popularized.