Heat exchange fin type heat exchanger capable of reducing air velocity
A technology of finned heat exchanger and air flow rate, applied in the direction of heat exchanger type, heat exchanger shell, indirect heat exchanger, etc. Increased resistance and other problems to achieve the effect of improving efficiency, improving the removal effect, and reducing resistance
Pending Publication Date: 2021-01-19
张爱凤
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[0002] Introduction: When the surface temperature of the heat exchange finned heat exchanger is lower than the air dew point temperature, the moisture in the humid air will precipitate and condense on the surface of the heat exchange fins, and the water droplets condensed on the surface of the heat exchange fins along the The heat transfer fins slide down, and at the same time, a water film is formed on the surface of the heat transfer fins of the heat exchanger, which significantly reduces the efficiency of the heat transfer fins
In addition, during condensation, because the precipitated moisture adheres to the surface of the heat exchange fins, the resistance of the air flowing through the heat exchanger is greatly increased. The air circulation in the lower part of the heater is reduced, which further reduces the surface heat transfer coefficient
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[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without mak...
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The invention relates to the technical field of heat exchange equipment, in particular to a heat exchange fin type heat exchanger capable of reducing air flow velocity. The heat exchange fin type heatexchanger comprises fin assemblies formed by sequentially arranging a plurality of heat exchange fins and a plurality of heat exchange pipes vertically penetrating through the multiple heat exchangefins, and the fin assemblies and the multiple heat exchange tubes form heat exchange units of the heat exchange fin type heat exchanger. The heat exchange fin type heat exchanger is characterized in that the multiple heat exchange units are arranged, the heat exchange pipes located in the multiple heat exchange units communicate with one another, and partition plates are arranged between the multiple heat exchange units. Each fin assembly located in the multiple heat exchange units is provided with an upper heat exchange assembly, a lower heat exchange assembly and a first-stage drainage pipeused for separating the upper heat exchange assembly from the lower heat exchange assembly, a notch of the first-stage drainage pipe is upward, the extension direction of the notch is consistent withthat of the heat exchange pipes, and the notch of the first-stage drainage pipe communicates with the bottom of the upper heat exchange assembly.
Description
technical field [0001] The invention relates to the technical field of heat exchange equipment, in particular to a finned heat exchanger for heat exchange that reduces air velocity. Background technique [0002] Introduction: When the surface temperature of the heat exchange finned heat exchanger is lower than the air dew point temperature, the moisture in the humid air will precipitate and condense on the surface of the heat exchange fins, and the water droplets condensed on the surface of the heat exchange fins along the The heat transfer fins slide down, and at the same time, a water film is formed on the surface of the heat transfer fins of the heat exchanger, which significantly reduces the efficiency of the heat transfer fins. In addition, during condensation, because the precipitated moisture adheres to the surface of the heat exchange fins, the resistance of the air flowing through the heat exchanger is greatly increased. The air circulation in the lower part of the...
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Login to View More IPC IPC(8): F28D7/16F28F1/36F28F9/00F28F17/00
CPCF28D7/16F28F1/36F28F9/001F28F17/00
Inventor 张爱凤
Owner 张爱凤