Reactor for preparing durene by alkylation of unsym-trimethylbenzene and methanol

• Main Authors: YAN SHUYU, YANG XIAOJUAN, JING SONG, LI XIAONING
• Format: Patent
• Language: Chinese; English
• Published: 22.11.2019
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING

The utility model relates to the field of durene preparation reactors in petrochemical engineering, and particularly discloses a reactor for preparing durene by alkylation of unsym-trimethylbenzene and methanol. The reactor comprises a reactor shell, a reactant gas inlet and a reactor pressure detection port are formed in the upper portion of the reactor shell, and a gas inlet diffuser arranged atthe reactant gas inlet can prevent raw materials from impacting a catalyst under certain pressure and flow; wherein two layers of catalyst supporting discs are arranged in the reactor shell, the interior of the reactor is divided into three sections by the two layers of catalyst supporting discs, and each catalyst supporting disc and the bottom of the reactor are respectively provided with a distribution ball and a catalyst with a certain thickness; a gas distributor is arranged below the catalyst supporting disc; each layer of distribution balls is provided with a plurality of layers of ceramic balls with different