Spiral baffle electric heater with circular tube arrangement in "slanted sun" unit
A technology of electric heaters and baffles, which is applied in the direction of fluid heaters, water heaters, air heaters, etc., can solve the problems of difficulty and difficulty in processing baffles, shorten the processing and manufacturing time, and reduce the heat transfer area , The effect of improving the heat transfer coefficient
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[0028] Embodiment 1 of the present invention is a spiral baffle electric heater with a tube bundle assembly of 63 U-shaped tubes with 3 circles of "oblique sun" units, and its schematic diagram is as follows Figure 1 to Figure 5 .
[0029] Embodiment 2 of the present invention is a spiral baffle electric heater with a tube bundle assembly of 387 U-shaped tubes with 7 circles of "oblique sun" units, Figure 6 A schematic diagram of the tube bundle assembly in Embodiment 2 in a parallelogram grid coordinate system in which the x-coordinate axis and the y-coordinate axis form an included angle of 120° is shown.
[0030] A spiral baffle electric heater with circular pipes in "slanted sun" units, including a tube bundle assembly 1, a shell assembly 2, a seal 3, a fastener group 4, a small copper bar group 5, a casing 6, screw group 7 and bus copper bar group 8; the shell assembly 2 includes a cylinder 2-1, a head 2-2, a shell flange 2-3, an inlet 2-4 and an outlet 2-5, and the cy...
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