Patent ID: 6808689
Filing Date: 2004-10-26
Classification: B01J,C07C

Abstract:
A shell-and-tube type reactor, comprising: a cylindrical shell having disposed on the periphery thereof a plurality of annular conduits for guiding a heating medium in or out in the radial direction and having a raw material inlet and a product outlet;a circulation device for mutually connecting a plurality of annular conduits; a plurality of reaction tubes constrained to the reactor by a plurality of tube sheets; donut type baffle plates and disc type baffle plates disposed in the longitudinal direction of the reaction tubes and adapted to vary the direction of the heating medium introduced into the shell; said reaction tubes being restrained at center distances 1.2-1.4 times the outside diameter of the reaction tube; an empty space devoid of a configuration of the reaction tubes at a center of the shell; said reaction tubes unsupported by the donut type baffle plate in the center hole side; and a gas discharge conduit discharging a gas accumulated in the shell.