Spiral groove heat exchange tube
A technology of spiral grooves and heat exchange tubes, applied in the direction of heat exchangers, indirect heat exchangers, heat exchanger types, etc., can solve problems such as powerlessness, achieve large cooling effect, improve emission performance indicators, and meet high environmental protection emission requirements Effect
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[0023] 3 and 4 are respectively a three-dimensional structural schematic diagram and a cross-sectional shape schematic diagram of the first embodiment of the present invention. In the figure, the heat exchange tube is a stainless steel tube body 2 with an inwardly protruding spiral groove 21 on the surface. In order to make full use of the surface of the heat exchange tube to achieve heat exchange with maximum efficiency, and to facilitate production and processing, in this embodiment, an arc-shaped transition connection with a radius of R is set between the adjacent two sides of the heat exchange tube, and the heat exchange tube Except the cross-sectional shape of the spiral groove, the cross-sectional shape of the stainless steel pipe body 2 is a rectangle, its height and width are not equal, and the adjacent two sides are connected by an arc transition, as shown in Figure 4, where a is the cross-section Height; the spiral protrusion can be more than one; the cross-sectional...
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