Quick-freezing equipment

Abstract

A quick-freezing equipment is disclosed, including an outdoor unit, an indoor unit and a quick-freezing device. The outdoor unit is internally provided with a compressor and a condenser, and the indoor unit is internally provided with an expansion assembly and an evaporator; the compressor, the condenser, the expansion assembly and the evaporator are successively connected by means of a refrigerant pipeline; the quick-freezing device includes a liquid storage tank and a quick-freezing box, the quick-freezing box is located inside the liquid storage tank and is connected with a circulating pipe, both ends of the circulating pipe are communicated with an inner cavity of the liquid storage tank, the circulating pipe is provided with a heat exchange component located within the quick-freezing box, and the refrigerant pipeline is provided with a heat exchange pipe passing through the liquid storage tank and located between the expansion assembly and the evaporator.

1 . A quick-freezing equipment, comprising:
 an outdoor unit internally provided with a compressor and a condenser;   an indoor unit internally provided with an expansion assembly and an evaporator, wherein the compressor, the condenser, the expansion assembly and the evaporator are successively connected via a refrigerant pipeline; and   a quick-freezing device comprising a liquid storage tank and a quick-freezing box, wherein the liquid storage tank is configured to store a first salt solution, the quick-freezing box is located inside the liquid storage tank and configured to store a sodium chloride solution, the quick-freezing box is connected with a circulating pipe, both ends of the circulating pipe are communicated with an inner cavity of the liquid storage tank, the circulating pipe is provided with a heat exchange component located within the quick-freezing box, and the refrigerant pipeline is provided with a heat exchange pipe, the heat exchange pipe passes through the liquid storage tank and is located between the expansion assembly and the evaporator.   
     
     
         2 . The quick-freezing equipment according to  claim 1 , wherein the heat exchange pipe is of a spiral coil structure and has at least one copper pipes with a diameter not greater than 6 mm. 
     
     
         3 . The quick-freezing equipment according to  claim 2 , wherein the liquid storage tank is connected with a stirring mechanism, the stirring mechanism includes a motor fixedly connected to the liquid storage tank, and the motor has a rotating shaft extending to interior of the liquid storage tank and connected with a runner. 
     
     
         4 . The quick-freezing equipment according to  claim 1 , wherein the circulating pipe is connected with a driving pump, the driving pump is located at an inlet end of the circulating pipe. 
     
     
         5 . The quick-freezing equipment according to  claim 4 , wherein the inlet end of the circulating pipe is communicated with a lower part of an inner cavity of the liquid storage tank, an outlet end of the circulating pipe is communicated with an upper part of the inner cavity of the liquid storage tank, the inlet end and the outlet end of the circulating pipe are respectively located on two opposite sides of the liquid storage tank. 
     
     
         6 . The quick-freezing equipment according to  claim 1 , wherein the heat exchange component is configured as a heat exchange coil, the heat exchange coil is located at a lower part of an inner cavity of the quick-freezing box. 
     
     
         7 . The quick-freezing equipment according to  claim 6 , wherein the quick-freezing box is connected with a liquid driving module, and the liquid driving module has a propeller, the propeller is located in the inner cavity of the quick-freezing box to drive the sodium chloride solution to flow. 
     
     
         8 . The quick-freezing equipment according to  claim 7 , wherein the quick-freezing device further includes a food material box, the food material box is configured to store food materials and made of a wire gauze, the food material box is capable of being placed in the inner cavity of the quick-freezing box and has a lifting handle. 
     
     
         9 . The quick-freezing equipment according to  claim 1 , wherein the refrigerant pipeline is provided with a bypass pipe, the heat exchange pipe is disposed on the bypass pipe, the bypass pipe and the refrigerant pipeline are both provided with stop valves. 
     
     
         10 . The quick-freezing equipment according to  claim 1 , further including a storage body, wherein a freezing chamber is formed inside the storage body, the indoor unit and the quick-freezing device are both located in the freezing chamber, the storage body has an inner wall provided with a thermal insulation layer.