Device for simultaneously scorching at multiple sections in catalyst device of fixed bed reactor and process thereof

Abstract

The invention relates to a novel regenerative scorching device for a fixed bed catalyst and a process thereof, in particular to a device for simultaneously scorching in a fixed bed multi-bed catalyst reactor and a process thereof as well as a device for simultaneously scorching catalysts in multiple fixed bed reactor series connectors and a process thereof. The technical scheme of the invention is that: a device for simultaneously scorching at multiple sections in a catalyst device of a fixed bed reactor comprises a heating furnace, a regenerative recycle gas compressor, a catalyst reactor and a regenerative recycle gas liquid separation tank, wherein a catalyst bed is formed in the reactor; a pipeline which is communicated with an outlet pipeline of the regenerative recycle gas compressor is arranged between the outlet pipeline and the lower section bed inlets of two adjacent beds; and the pipeline is provided with a compressed air replenishing pipeline which is communicated with the pipeline. Due to the adoption of the device and the process, the scorching time of a catalyst can be shortened, gas, industrial electricity and circulating water can be saved, the energy consumption of the device can be lowered, the scorching safety can be ensured, and the production capability of the device can be increased.

Description

technical field [0001] The present invention relates to a novel regenerative coking device for fixed-bed catalysts and its technology, in particular to the coking device in a fixed-bed multi-bed catalyst reactor and its technology, and the simultaneous coking device for catalysts in multiple fixed-bed reactor series devices and its craft. Background technique [0002] At present, there are two kinds of coking methods commonly used in the industry for regeneration of fixed-bed catalysts: internal regeneration and external regeneration. The present invention only relates to the in-vessel regeneration coke of fixed-bed multi-bed catalysts or the catalyst regeneration coke in multiple fixed-bed reactors in series. In the traditional multi-stage fixed bed catalyst coking, the compressed air is added to the top of the catalyst reactor, and the coking is carried out layer by layer from the top until it penetrates the entire bed, and the coking ends after there is no obvious change...

AI Technical Summary

Problems solved by technology

Although this invention realizes the coking of multi-stage catalysts at the same time, the coking temperature of the subsequent two stages of the catalyst bed cannot be controlled, and the oxygen content cannot be controlled, which can easily lead to overheating of the catalyst bed, and there is no way to cool down once the overtemperature occurs. measures, the catalyst is easily deactivated by high temperature sintering

Images