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Settling steam stripping method

A technology of stripping and settler, which is applied in the field of catalytic conversion of settler, which can solve the problems of settler coking, influence and influence on the operation cycle of the device, and achieve the effect of avoiding entering the settler and preventing coking

Active Publication Date: 2020-09-18
QINGDAO JINGRUN PETROCHEM DESIGN INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] In the existing technology, the oil and gas extracted from the stripping section are in the settler space, causing coking of the settler, which becomes a safety hazard, affects the operation cycle of the device, and increases the difficulty of maintenance
Many catalytic converters suffer from coking of settler catalysts

Method used

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  • Settling steam stripping method
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Embodiment Construction

[0028] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments to help readers understand the characteristics and essence of the present invention, but the accompanying drawings and specific embodiments do not limit the scope of the present invention.

[0029] Such as figure 1 and figure 2 Shown, the device of the settling stripping method of the present invention is made up of settler 1 and stripping section 3, in this method, settler 1 and stripping section 3 are divided into upper and lower two parts by dividing plate 2, and stripping section 3 is in Below the partition 2, the reaction oil-gas primary cyclone separator 12 and the reaction oil-gas secondary cyclone separator 13 are arranged above the partition 2; in addition to the reaction oil-gas cyclone separator, an independent stripping outflow medium is also provided in the settler 1 The cyclone separator 14; the material leg 12B of the re...

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Abstract

The invention relates to a settlement steam stripping method; a partition plate is arranged in a settler, and the settler and a steam stripping section at the lower part are divided into two spaces through the partition plate; a reaction oil-gas cyclone separator, a steam stripping outflow medium cyclone separator and a steam stripping outflow medium conveying pipe are arranged above the partitionplate in the settler; a steam stripping outflow medium enters the steam stripping outflow medium cyclone separator through the steam stripping outflow medium conveying pipe to be further separated, the steam stripping outflow medium is prevented from entering the settler, and coking of the settler is prevented.

Description

technical field [0001] The invention relates to a settling stripping method, which can effectively prevent the coking of the settler, and is especially suitable for the catalytic conversion process technology of the settler in the catalytic cracking device. Background technique [0002] The settling stripper is an important part of the catalytic cracking process. In order to separate the catalyst and oil gas from the riser reactor into the settler for gas-solid separation, reduce the carryover of oil gas and coke, a cyclone separator is installed in the settler, and There is a stripping section (or stripper) below the settler, the purpose of which is to separate the gas and solid between the catalyst and the oil and gas in the cyclone separator, and the separated oil and gas will be discharged into the fractionation system through the oil and gas outlet, and part of the oil and gas carried by the catalyst will pass through the cyclone separator. The legs enter the stripper, ...

Claims

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Application Information

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IPC IPC(8): C10G11/00B01D45/12
CPCC10G11/00B01D45/12
Inventor 厚鹏石宝珍郭俊辉章洪恩
Owner QINGDAO JINGRUN PETROCHEM DESIGN INST CO LTD
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