Shell-and-tube equipment with distribution device

Shell-and-tube equipment having a cylindrical geometry and arranged along a vertical axis, the shell-and-tube equipment comprising an upper chamber and a lower chamber connected to a common tube bundle on opposite sides, wherein the upper chamber is provided with at least an inlet nozzle for inletting a first fluid, wherein the tube bundle is surrounded by a shell provided with nozzles for inletting and outletting a second fluid which exchanges heat with said first fluid through said tube bundle, and wherein the upper chamber encloses at least a distribution device configured for uniformly delivering said first fluid towards said tube bundle, said at least a distribution device comprising an annular channel which is arranged around said vertical axis and is in fluid communication with said at least an inlet nozzle, said at least a distribution device comprising a plurality of channel modules each possessing a circular trapezoidal shape and each including spaced apart vertical edges at opposite ends of the channel module, adjacent ones of the plurality of channel modules being joined together at the vertical edges of the adjacent channel modules so that the plurality of channel modules together form said annular channel.