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Refining tower connecting structure

A technology for connecting structures and refining towers, which is used in the treatment of hydrocarbon oil and the petroleum industry, etc.

Pending Publication Date: 2020-04-24
NORTH HUAJIN CHEM IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The working effect of the connecting structure of the refining tower of the existing reforming carbon nine heavy aromatics unit needs to be further improved

Method used

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Experimental program
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Embodiment Construction

[0005] The connecting structure of the refining tower of the present invention can be applied to a reforming carbon nine heavy aromatics device, which includes a heavy aromatics storage tank, and the outlet of the heavy aromatics storage tank passes through the feed port of the raw material pump and the heavy aromatics raw material hot water heat exchanger The outlet of the hot water heat exchanger for heavy aromatics raw materials is connected to the feed port in the middle of the light removal tower, the oil and gas outlet at the upper end of the light removal tower is connected to the inlet of the air cooler at the top of the light removal tower, and the outlet of the air cooler at the top of the light removal tower is connected to the The feed port of the light removal tower top reflux tank is connected, the non-condensable gas outlet of the light removal tower top reflux tank is connected with the air inlet of the light removal tower top aftercooler, and the gas outlet of t...

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Abstract

The invention discloses a refining tower connecting structure, belongs to the technical field of chemical engineering and particularly relates to a refining tower connecting structure. The invention provides the refining tower connecting structure which is good in working effect. The refining tower connecting structure comprises a refining tower and is characterized in that a refining tower top oil-gas outlet is connected with one end of a first valve, one end of a second valve and one end of a third valve; the other end of the third valve is connected with a vent gas pipeline, one end of a fourth valve and one end of a fifth valve; the other end of the fourth valve is connected with the other end of the second valve through one end of a first closed spring safety valve, the other end of the fifth valve is connected with the other end of the first valve through one end of a second closed spring safety valve, and a port at the top of the refining tower is connected with a sixth valve.

Description

technical field [0001] The invention belongs to the technical field of chemical industry, and in particular relates to a connecting structure of a refining tower. Background technique [0002] Heavy aromatics refer to mixed aromatics with a molecular weight greater than xylene, mainly derived from reformed heavy aromatics, pyrolysis gasoline heavy aromatics and coal tar, and are a kind of mixed aromatics with carbon nine aromatics as the main component. The working effect of the connecting structure of the refining tower of the existing reforming carbon nine heavy aromatics unit needs to be further improved. Contents of the invention [0003] The present invention aims at the above problems and provides a connection structure for refining towers with good working effect. In order to achieve the above object, the present invention adopts the following technical scheme. The present invention includes a refining tower, which is characterized in that the oil and gas outlets o...

Claims

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Application Information

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IPC IPC(8): C10G53/00
CPCC10G53/00
Inventor 张世琦张量量朱立鹏朱家莹郭伟仙林峰李国锋宋建波马正晶
Owner NORTH HUAJIN CHEM IND CO LTD
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