Fin top row tube bundle type refrigeration house evaporator and defrosting water collecting device thereof

Abstract

The invention discloses a fin top row tube bundle type refrigeration house evaporator and a defrosting water collecting device thereof. A refrigeration flow path and a defrosting flow path are included, fins are additionally arranged on refrigeration house top row tubes, the refrigeration house top row tubes are assembled into tube bundles, the heat exchange area is increased, the quantity of thetop row tubes is reduced, tube materials and spaces can be saved while the refrigerating capacity is guaranteed, and economic cost is saved. Meanwhile, a water gathering groove is distributed under the fin top row tube bundles, and one defrosting tube is distributed on the side wall of the water gathering groove every 20 cm; and during refrigeration house hot working medium defrosting operation, the water gathering groove can collect defrosting water falling from the top row tube bundles, the defrosting tubes heat the defrosting water falling from the fin top row tube bundles, freezing of thedefrosting water on the wall face of the water gathering groove and in drainage pipes is prevented, it is guaranteed that the defrosting water is discharged out of a refrigeration house in a liquid state, manpower needed by traditional refrigeration house defrosting can be reduced, risks caused by manual defrosting water removing and influences caused by the fact that a person enters and exists from the refrigeration house on the temperature in the refrigeration house are avoided, and automatic defrosting of the refrigeration house is achieved.

Description

technical field [0001] The invention relates to the field of refrigeration and defrosting, in particular to a top-row tube-bundle type cold storage evaporator equipped with fins and a device for collecting defrosting water by using a water collection tank. Background technique [0002] As an important part of the modern logistics system, cold storage has attracted much attention. Cold storage is an important part of the food cold chain. In European and American countries, only when the cold storage is included in a relatively complete cold chain can the sales of quick-frozen food in this country increase. From this we can see the status of cold storage in food storage. Therefore, research on cold storage has more realistic significance. [0003] Due to the low starting point, slow pace and imperfect supporting system of cold storage in our country, the cold storage industry in our country is relatively backward. So far, most cold storage evaporators still use smooth tubes,...

AI Technical Summary

Problems solved by technology

However, the defrosting methods mentioned above are insufficient for the collection of defrosting water. One way is to use a tarpaulin to cover the goods, and manually remove the defrosting water after the defrosting is over. Transportation brings danger; in the actual use process, there is also a water receiving tray to collect the defrosting water. The water receiving tray is located in the cold storage. If an additional drain is connected in the cold storage to drain the defrosting water It will cause ice blockage due to low temperature, causing defrosting water to overflow the water receiving tray, which will cause inconvenience to the internal operation of the cold storage

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