Tube-shell type axial tubular reactor for highly-exothermic chemical reaction process

The invention relates to a tube-shell type axial tubular reactor for highly-exothermic chemical reaction process. The tube-shell type axial tubular reactor comprises a casing, an upper seal head, a lower seal head, a baffle plate, a heat exchange pipe, an upper tube plate and a lower tube plate, wherein the upper tube plate and the lower tube plate are respectively provided with a center non-perforated area and a surrounding perforated area; the outer side of the casing is provided with a salt melting side, and the salt melting side comprises an upper salt passage and a lower salt passage; a conical flow guide device and an inlet fluid distributor are arranged at the inlet end of the reactor, the conical flow guide device is positioned at the lower part of the inlet fluid distributor, andthe bottom part of the conical flow guide device is correspondingly fixed at the center non-perforated area of the upper tube plate; an outlet rectifier and an eddy breaking device are arranged at theoutlet end of the reactor