Tubular evaporator with split air at both ends
A shunt tube and evaporator technology, used in evaporators/condensers, refrigeration components, refrigerators, etc., can solve the problems of drying up in the tube, affecting the heat transfer performance of the evaporator, and reducing the performance of the refrigeration system, and achieving convenient processing and assembly. Simple structure and the effect of protecting the environment
Inactive Publication Date: 2016-04-13
佛山市顺新电器有限公司
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Problems solved by technology
[0002] The air cooler for cooling air in the refrigeration system often adopts a finned tube evaporator in which the refrigerant flows in and out from the top and the bottom goes out. The refrigerant flows in the tube and evaporates and boils. The wetting ratio gradually decreases, which will lead to dryness in the tube, which will seriously affect the heat transfer performance of the evaporator, resulting in a decline in the performance of the refrigeration system
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[0016] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0017] The tubular evaporator with both ends splitting and air-introduction of the present invention is a structure in which an exhaust part is added to the structure of the existing tubular evaporator. Including multiple rows of heat exchange tubes, one end of the refrigerant inlet of the heat exchange tube in the uppermost row is connected to the liquid distribution pipe, and one end of each row of the heat exchange tubes used as the refrigerant inlet is respectively connected to a liquid elbow; the last One end of the refrigerant outlet of the heat exchange tubes in the lower row is connected to the second air return pipe, and one end of the remaining heat exchange tubes in each row as the refrigerant outlet is respectively connected to a closed shunt pipe; The corresponding branch pipe is connected with the liquid elbow to form a ...
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The invention discloses a tubular evaporator with two ends for dividing and gas guiding, and provides an evaporator capable of improving the heat transfer property of the evaporator and improving the performance of a refrigerating system. One end of a refrigerant inlet of a heat exchange tube in the uppermost row is connected with a liquid dividing tube, and one end, serving as a refrigerant inlet, of each heat exchange tube in other rows is connected with a liquid bend; one end of a refrigerant outlet of a heat exchange tube in the lowermost row is connected with a second gas return tube, and one end, serving as a refrigerant outlet, of each heat exchange tube in other rows is connected with a dividing tube; corresponding dividing tubes and liquid bends on the same side in adjacent rows are connected to form a communicated refrigerant flow passage; each dividing tube on one side is connected with a first gas return tube through a left gas guiding bend, and each dividing tube on the other side is connected with the second gas return tube through a right gas guiding bend. According to the evaporator, two ends of each heat exchange tube in each flow pass are respectively connected with the corresponding dividing tube, liquid bend and gas guiding bend, the wetting ratio of liquid in the tubes can be increased, the heat transfer property of the evaporator is improved and the performance of the refrigerating system is improved.
Description
technical field [0001] The invention relates to the technical field of refrigeration, in particular to a tube-type evaporator with two ends splitting and leading air. Background technique [0002] The air cooler for cooling the air in the refrigeration system often adopts a finned tube evaporator in which the refrigerant flows in and out from the top and the bottom goes out. The refrigerant flows in the tube and boils, and the ratio of the gas in the tube gradually increases. The wetting ratio of the evaporator gradually decreases, which will lead to dryness in the tube, which will seriously affect the heat transfer performance of the evaporator and cause the performance of the refrigeration system to decline. Contents of the invention [0003] The object of the present invention is to aim at the technical defects existing in the prior art, and provide a tube type evaporator which can improve the heat transfer performance of the evaporator and improve the performance of th...
Claims
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IPC IPC(8): F25B39/02
Inventor 宁静红申江刘兴华叶庆银
Owner 佛山市顺新电器有限公司