Gasoline hydrogenation device

A hydrogenation unit and gasoline hydrogenation technology, which is applied in the fields of hydrogenation treatment process, petroleum industry, and hydrocarbon oil treatment, and can solve the problems of large octane loss and other problems

Inactive Publication Date: 2017-02-15
SHANDONG CHANGYI PETROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, in order to improve the product quality and reduce the sulfur content to 10ppm and increase the ...

Method used

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  • Gasoline hydrogenation device
  • Gasoline hydrogenation device
  • Gasoline hydrogenation device

Examples

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Embodiment Construction

[0015] Such as Figure 1 to Figure 3 As shown, the gasoline hydrogenation unit includes a whole-fraction hydrogenation unit, a pre-fractionator, a first-stage hydrogenation unit, a first-stage desulfurization unit, a stripper, a heavy gasoline buffer tank, a second-stage hydrogenation unit, a second-stage desulfurization unit, and a product stabilization tower . For the body structure of each reactor, tower, and tank in the present invention, those skilled in the art can correctly select existing equipment on the market according to their respective purposes of use, and their specific structures will not be described in detail here.

[0016] The full-fraction hydrogenation unit includes a full-fraction hydrogenation feed buffer tank 11, a full-fraction hydrogenation reactor 12, a full-fraction hydrogenation stabilization tower 13, and a full-fraction hydrogenation feed buffer tank 11 that are sequentially connected through pipelines. The mouth is connected with the gasoline r...

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Abstract

The invention discloses a gasoline hydrogenation device. A full-fraction hydrogenation stabilizing tower is provided with a light petrol separation pipe; a product outlet in the bottom of the full-fraction hydrogenation stabilizing tower communicates with a material inlet of a prefractionator through a pipeline; a moderate petrol branching pipe is arranged at the top of the prefractionator, and the bottom of the prefractionator is connected with a heavy petrol separation pipe; the heavy petrol separation pipe is connected with a material inlet of a first-section hydrogenation device; a first-section hydrogenation product outlet of the first-section hydrogenation device communicates with a material inlet of a first-section desulphurization device; a liquid desulphurization product of the first-section desulphurization device communicates with a material inlet of a second-section hydrogenation device through a pipeline; the moderate petrol branching pipe communicates with a material inlet of the second-section hydrogenation device; a second-section hydrogenation product outlet of the second-section hydrogenation device communicates with a material inlet of a second-section desulphurization device; a liquid desulphurization product of the second-section desulphurization device communicates with a material inlet of a product stabilizing tower through a pipeline; a finished product outlet of the product stabilizing tower is connected with a refined petrol discharging pipe; the refined petrol discharging pipe communicates with the light petrol separation pipe.

Description

technical field [0001] The invention relates to a gasoline hydrogenation device. Background technique [0002] In April 2015, the national "Work Plan to Accelerate the Quality Upgrade of Refined Oil Products" was issued, and the plan determined that from January 1, 2017, the country will fully supply national V gasoline and diesel products for vehicles, and from January 2016, 11 provinces in eastern my country will The city supplies national V gasoline and diesel products for vehicles (sulfur content not greater than 10ppm). According to the requirements of the quality upgrade time limit, petrochemical companies need to upgrade the existing gasoline hydrogenation units. The process adopted by the existing device is to first carry out hydrogenation of the whole distillate, then enter the stabilization tower for full reflux, and then enter the fractionation tower for fractionation. After hydrogenation in the reactor, it merges with light gasoline and exits the device. At pre...

Claims

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Application Information

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IPC IPC(8): C10G67/00
CPCC10G67/00C10G2300/202C10G2400/02
Inventor 王明传董瑜王存金徐向英陈戈
Owner SHANDONG CHANGYI PETROCHEM
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