Trisection ellipse spiral traverse baffle shell type heat exchanger
A technology of shell-and-tube heat exchangers and spiral baffles, which can be applied to the types of heat exchangers, indirect heat exchangers, lighting and heating equipment, etc., and can solve problems that affect the popularization and application of baffles and the difficulty of marking and positioning , to achieve the effects of easy positioning, scribing and processing, improved strength conditions, and reduced support spacing
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Embodiment 1
[0021] Embodiment 1: as Figure 1-5 As shown, the present invention includes a cylindrical shell 1, a tube bundle 2, a left tube plate 31, a right tube plate 32, a fluid inlet joint 5, a fluid outlet joint 6, and the left tube plate 31 and the right tube plate 32 are concentrically arranged and welded on At both ends of the cylindrical shell 1, each tube of the tube bundle 2 penetrates through the left tube plate 31, and then protrudes from the right tube plate 32, and the end of each tube is welded or expanded with the tube plate 3 The fluid inlet connecting pipe 5 and the fluid outlet connecting pipe 6 are based on the principle of facilitating the uniform distribution of the fluid after entering the housing and the convenience of collecting the fluid. Each baffle 4 is obliquely arranged in the cylindrical housing 1, and the projection of each baffle 4 occupies about one-third of the inner section circle of the cylindrical housing 1; each baffle 4 is composed of An elliptic...
Embodiment 2
[0025] Such as Figure 6 As shown, the baffles 4 of the present invention may not be strictly divided into thirds, but are separated by the natural intervals of the tube bundles according to the principle of thirds, and the straight sides of the baffles 4 can be used when necessary. Stepped sides to accommodate natural spacing of tube bundles. For example, due to the requirement of multi-tube arrangement, there are gaps between some tube bundles, so there is a situation that the natural intervals of tube bundles distributed in two areas cannot be connected in a straight line. At this time, you can follow Figure 6 As shown, it is solved by the method of step folded line edge.
Embodiment 3
[0027] Such as Figure 7 As shown, the structure of this embodiment is suitable for a U-shaped tube bundle shell-and-tube heat exchanger with regular triangle arrangement of tubes. The plate is divided into 2 120° divisions and 2 60° divisions, and they are arranged centrally symmetrically; or further simplified into 2 180° divisions.
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