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Shell and tube dry commercial refrigeration evaporator
commercial refrigeration Shell and tube dry evaporator
It is actually a shell and tube horizontal evaporator that evaporates in the tube. The filling amount of the refrigerant liquid is small, which is 35%-40% of the internal volume of the tube group; and the commercial refrigeration refrigerant has no free liquid surface during the vaporization process, so it is called a thousand-type evaporator. The structure of the shell and tube dry evaporator, the refrigerant liquid evaporates in the evaporator tube during operation, and the refrigerant (water or salt water) is cooled outside the tube. In order to increase the flow rate of the refrigerant outside the tube, baffles are arranged across the tube clusters in the shell. Most of the baffles are made of round and missing shapes, and the notches are assembled from top to bottom.
water commercial refrigeration type (immersed) evaporator
water commercial refrigeration type evaporator is characterized in that the evaporation tube group is immersed in fresh water or salt water commercial refrigeration. The refrigerant evaporates in the tube, and water or salt water flows in the commercial refrigeration under the action of the agitator to enhance heat transfer. This type of evaporator has good thermal stability, but it can only be used in an open cycle system, and the refrigerant must be a non-volatile substance. Water commercial refrigeration evaporators are divided into straight tube type, spiral tube type and coiled tube (coiled tube) type.
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