Regular ball hole porous medium and reinforced heat exchange tube applying porous medium

Abstract

The invention belongs to the technical field of refrigeration and energy sources, and particularly relates to a regular ball hole porous medium and a reinforced heat exchange tube applying the porousmedium. The regular ball hole porous medium comprises ball holes, radial communication channels and axial communication channels, the ball holes in the porous medium are arranged in rows, and the positions of the ball holes are regular; and the diameters of the ball holes are the same, the ball holes which are in the same row are connected through the radial communication channels, the ball holeswhich are in the adjacent rows are connected through the axial communication channels, and materials of the ball holes are determined according to specific working conditions. The reinforced heat exchange tube provided with the regular ball hole porous medium in an inserted mode further comprises an end plug and a round tube, a regular ball hole porous medium inserting piece can be one or more which are arranged in a rotatory mode in the round tube, the circular ring-shaped end plug is located at the port of the round tube and is used for fixing the porous medium, the regular ball hole porousmedia are in tight connection after being rotated by a certain angle, and the rotating angle is the included angle between every two adjacent ball holes in the same row. According to the regular ballhole porous medium and the reinforced heat exchange tube applying the porous medium, the installation is convenient, the connectivity among the ball holes is good, the flow regularity is strong, the flowing resistance is small, and the reinforced heat exchange effect is good.

Description

technical field [0001] The invention belongs to the technical field of refrigeration and energy, and in particular relates to a porous medium with regular spherical holes and an enhanced heat exchange tube using the porous medium. Background technique [0002] Heat exchange equipment is the basic equipment for heat transfer. It is widely used in power, nuclear energy and other industries. Heat exchange tubes are an important component of heat exchange equipment. Improving the heat transfer efficiency of heat exchange tubes can effectively improve the efficiency of heat exchange equipment. It is of great significance to save energy and improve its economy. Inserting spoiler elements in tubes is a widely used, convenient and quick tube-enhanced heat exchange technology, which has the advantages of easy disassembly, easy replacement, and easy sewage discharge. In recent years, porous materials have attracted much attention in the fields of noise reduction and enhanced heat tra...

AI Technical Summary

Problems solved by technology

The two kinds of porous media both improve the heat transfer capacity of the light pipe to a certain extent, but since the regular porous aluminum is a cylindrical through hole dug out of the solid cylinder, the direction of the through hole is perpendicular to the flow direction, and the flow disturbance effect is not obvious. The heat transfer capacity has not improved much

Although the spherical open-hole aluminum has a strong heat transfer capacity, due to the irregular position of the ball holes and poor connectivity between the ball holes, the resistance is too large, and the comprehensive heat transfer performance is average.

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