Flow-equalizing defrosting heat exchange device

Abstract

The invention discloses a flow-equalizing defrosting heat exchange device, which comprises a condenser, a liquid supply pipe, an evaporation copper pipe, an evaporator, a liquid separator, a fin heat exchanger and a press; the evaporation copper pipe is arranged in the fin heat exchanger; a liquid inlet end of the evaporation copper pipe is communicated with the liquid supply pipe through a first pipeline; a liquid outlet end of the evaporation copper pipe is provided with a second pipeline communicated with the evaporator; the evaporator is communicated with a liquid separator pipeline; the liquid separator is communicated with the fin heat exchanger through a flow dividing pipe; an air return pipe is communicated between the fin heat exchanger and the condenser; the press is arranged on the air return pipe; an air guide pipe is arranged at one end, close to the condenser, of the air return pipe; and the other end of the air guide pipe is communicated with the evaporator. A cooling medium enters the fin heat exchanger at a high speed along the flow dividing pipe, errors caused by uneven flow dividing of a traditional heat exchanger are reduced, and the "zebra phenomenon" is avoided; and part of exhaust heat of the press is directly used for defrosting at an evaporation temperature freezing point, so that evaporation is always in a non-freezing state.

Description

technical field [0001] The invention relates to the technical field of heat exchange, in particular to a uniform flow defrosting heat exchange device. Background technique [0002] Finned radiator is the most widely used heat exchange equipment in gas and liquid heat exchangers, and is a common component used in refrigeration systems and air conditioning systems. The fins are made of materials with good thermal conductivity, such as aluminum alloy, and are shaped by processing aluminum alloy plates. In the working state of the heat exchanger, the fins are in contact with the wall surface of the flat tubes of the heat exchanger, so as to realize heat transfer between the flat tubes and the fins. The fins exchange heat with the external working fluid flowing through the fins, thereby realizing the heat exchange between the heat exchanger and the external working fluid; most of the heat exchangers will precipitate water when the temperature is low, and the precipitated water i...

AI Technical Summary

Problems solved by technology

[0006] Aiming at the defects of "zebra phenomenon", slow defrosting speed and poor defrosting effect caused by uneven shunting, the present invention provides a uniform flow defrosting heat exchange device to overcome the defects

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