Reforming reactor fan-shaped barrels capable of reducing catalyst leakage

Abstract

The invention relates to reforming reactor fan-shaped barrels. The reforming reactor fan-shaped barrels are Johnson screen fan-shaped barrels; the cross sections of the reforming reactor fan-shaped barrels shape like fans; when the reforming reactor fan-shaped barrels are used, the back parts of the reforming reactor fan-shaped barrels are firmly pressed against the inner wall of a reactor; the top parts of the reforming reactor fan-shaped barrels are sealed; the bottoms of the reforming reactor fan-shaped barrels are provided with openings and are connected with a collecting tube arranged on the bottom of the reactor; oil gas discharged out of the reforming reactor fan-shaped barrels is mixed in the collecting tube, and is discharged via an oil gas outlet. No connection part of the reforming reactor fan-shaped barrels is observed, almost no leakage point is generated, so that catalyst leakage is avoided; no connection part is observed between a central tube and the reforming reactor fan-shaped barrels, so that deformation and damage of the reforming reactor fan-shaped barrels caused by nonuniform thermal expansion are avoided; the reforming reactor fan-shaped barrels are capable of reducing production cost, and ensuring safe stable long-period operation of equipment.

Description

technical field [0001] The invention relates to a fan-shaped cylinder structure for reducing catalyst leakage, in particular to a fan-shaped cylinder structure for a reforming reactor of a continuous catalytic reforming device for petroleum processing. Background technique [0002] Catalytic reforming unit is an important process in the secondary processing of petroleum. It is a catalyst for the purpose of producing high-octane gasoline components and aromatics from low-octane straight-run naphtha under the action of a catalyst through a series of special reactions. reaction process. The reforming reactor is an important equipment of the reforming unit and also the core part of the whole reforming unit. The role of the reforming reactor is to allow the hydrocarbons to contact the catalyst under reaction conditions without allowing the catalyst to leave without entraining the product. The equipment is a radial reactor, which operates in a high-temperature hydrogen-facing en...

AI Technical Summary

Problems solved by technology

[0003] Since the internal parts of the reforming reactor are very complicated and there are a lot of connecting parts, during the high-temperature thermal expansion process, the expansion amount is different, which leads to deformation, cracking, damage and other problems of the internal components such as the reactor fan-shaped cylinder and the conical cover plate.

Moreover, the reforming reactor is greatly affected by fluctuations in raw materials, temperature, and pressure. Damage to the fan-shaped cylinder will lead to catalyst leakage, which will increase catalyst consumption. Catalyst leakage will reduce the octane number of the product, reduce the content of aromatics, and reduce the purity of hydrogen. The product quality and the safe and stable operation of downstream devices have caused great hidden dangers to the long-term operation of the devices

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