A kind of high-efficiency catalytic rectification column inner catalyst bundle packing and preparation method thereof

Abstract

The invention relates to a catalyst bundled packet filler in an efficient catalytic distillation column and a preparation method thereof. The catalyst bundled packet filler in the efficient catalytic distillation column comprises a catalyst packet chain and a structured corrugated filler sheet, wherein the catalyst packet chain is formed by a plurality of catalyst packets of hollow structures in serial connection; and the catalyst packets are filled with solid catalyst particles; the catalyst packet chain and the structured corrugated filler sheet are closely fit and circled, and are fixed and molded by tightening rings. The hollow structures of the catalyst packets enlarge the gas-liquid mass transfer space, so that products generated by reaction can be separated timely, and the reaction is accelerated; the specific surface areas of the catalyst packets are increased, the thickness of a catalyst in the catalyst packets is reduced, the diffusion distance of the reactants to the surface activity centers of the catalyst particles and the diffusion distance of the products to the surfaces of the catalyst packets are shortened effectively; moreover, the influences of the diffusion resistance in the catalyst layers can be reduced; and the utilization of the catalyst is enhanced, and the catalysis velocity is enhanced.

Description

technical field [0001] The invention relates to a high-efficiency catalytic rectification tower internal catalyst bundle packing and a preparation method thereof, belonging to the technical field of catalytic rectification. Background technique [0002] Catalytic distillation tower is a chemical equipment that couples reaction and separation. The catalytic packing in the reaction section should not only promote the reaction, but also act as a gas-liquid mass transfer surface. Therefore, a good catalyst packing technology It is the key to improve the efficiency of catalytic distillation. At present, due to the relatively small diameter of catalyst particles used in the industry, direct placement in the tower will increase the pressure drop in the tower and cause liquid flooding. In addition, due to the limitation of the catalyst preparation process and the requirement of the strength of the catalyst, it is still difficult to prepare the catalyst into any shape and size. Ther...

AI Technical Summary

Problems solved by technology

At present, due to the relatively small diameter of catalyst particles used in the industry, placing them directly in the tower will increase the pressure drop in the tower and cause liquid flooding.

In addition, due to the limitations of the catalyst preparation process and the requirements of the catalyst strength, it is still difficult to prepare the catalyst into any shape and size, so how to load the catalyst to maximize the efficiency of the catalyst has become an important issue in the development of catalytic distillation technology

Images