⦠The U-shaped tube heat exchanger is a shell and tube heat exchanger composed of the tube sheet, shell, tube bundle, and other parts.⦠Under the same diameter, the heat exchange area of the U-tube heat exchanger is the largest.⦠The main structure of the U-tube heat exchanger includes the header, cylinder, head, heat exchange tube, nozzle, baffle, impact plate and draft tube, anti-short circuit structure, support, and other accessories on the tube and shell side.