The utility model discloses a detachable
single tube pass floating head type
heat exchanger which comprises a tube box, a shell, an outer head cover, a floating head cover and an outer head cover sealing head, the two ends of the shell are connected with the tube box and the outer head cover respectively, a floating tube plate is arranged between the shell and the outer head cover, and the floating head cover is connected with the floating tube plate. An
expansion joint and a first end socket
flange are arranged between the floating head cover and the outer head cover end socket, one end of the
expansion joint is connected with the floating head cover, and the other end of the
expansion joint is connected with the first end socket
flange. According to the floating head end, the
flange is welded to the oval end socket in an inserted mode, the aim of being connected with a process opening is achieved, and the dismounting requirement is met. The device is simple in structure, convenient to disassemble and maintain, small in
forge piece amount, light, low in manufacturing cost and convenient to install, the
gasket is easy to obtain and convenient to replace, and the using function is met on the premise that the cost is reduced.