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Integrated spiral-flow reaction and separation system and process for sulfur containing gas desulfuration

A cyclone reaction and cyclone separator technology, which is applied in separation methods, dispersed particle separation, chemical instruments and methods, etc., can solve the problems of large initial investment in space-occupied equipment, inconvenient maintenance and increased energy consumption, etc. Achieve the effects of saving space, simplifying structural complexity, and saving energy

Active Publication Date: 2015-12-02
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The amine desulfurization process is the most widely used one in the desulfurization of sulfur-containing gases. Traditional amine desulfurization absorption towers mostly use plate towers or packed towers. The total height of these two tower structures is often more than tens of meters, occupying space and equipment. The initial investment is large, and the maintenance is inconvenient, and the pressure drop of the gas passing through the tower is also large
In order to increase the mass transfer driving force of the solute between the gas-liquid two-phase, the operating pressure is usually above 1.0MPa, while the operating pressure of the regeneration tower is generally selected from 0.1MPa to 0.2MPa, which requires continuous boosting and depressurization of the absorbing liquid, increasing the energy loss

Method used

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  • Integrated spiral-flow reaction and separation system and process for sulfur containing gas desulfuration
  • Integrated spiral-flow reaction and separation system and process for sulfur containing gas desulfuration
  • Integrated spiral-flow reaction and separation system and process for sulfur containing gas desulfuration

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Effect test

Embodiment 1

[0037] Refer to attached figure 1 : An integrated cyclone reaction and separation system for sulfur-containing gas desulfurization, comprising a cyclone reactor 4, a bottom flow ratio regulating valve 5, a rich liquid drainage pipeline 6, an amine liquid storage tank 7 and a gas-liquid cyclone separator 15, and the cyclone The lower part of the flow reactor 4 is connected to one side of the amine liquid storage tank 7 through the rich liquid discharge line 6, and the other side of the amine liquid storage tank 7 is connected to the upper liquid inlet end of the swirl reactor 4 through the absorption liquid circulation line 14, and the swirl reaction The upper part of the device 4 is connected to the gas-liquid cyclone separator 15 through an exhaust device.

[0038] The swirling flow reactor 4 comprises a main body and a tangential inlet nozzle 1, the upper part of the main body is provided with a tangential inlet nozzle 1, one or several tangential inlet nozzles 1 are provide...

Embodiment 2

[0050] Refer to attached figure 2 : The outer cylinder body 16 for temporarily storing the absorption liquid is set on the outer side of the upper part of the swirling flow reactor 4 main body, the upper part of the main body is uniformly distributed with liquid inlet holes 18 in a ring, and the upper part of the outer cylinder body 16 is provided with a liquid inlet port 3 tangentially. The end of the absorption liquid circulation pipeline 14 is divided into two lines, and the two lines are respectively connected to the atomizing nozzle 2 inserted into the liquid inlet 3 and the exhaust core pipe 17 . The liquid inlet hole 18 can be a plurality of small circular holes uniformly distributed in a ring. Other settings and working principles are the same as in Embodiment 1.

Embodiment 3

[0052] Refer to attached image 3 : The outer cylinder 16 for temporary storage of the absorption liquid is set outside the upper part of the swirling flow reactor 4 main body, the upper part of the main body is uniformly distributed with liquid inlet holes 18 in a ring, and the upper outer cylinder 17 is provided with a liquid inlet 3 tangentially. The liquid inlet hole 18 can be a plurality of circular uniformly distributed elongated holes. Other settings and working principles are the same as in Embodiment 2.

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Abstract

An integrated spiral-flow reaction and separation system and process for sulfur containing gas desulfuration and belongs to the field of a gas desulfuration purifcation process. The system comprises a spiral-flow reactor (4) which is characterized in that the lower part of the spiral-flow reactor (4) is connected with one side of an amine liquid storage tank (7) through a liquid-enriching and liquid-draining pipeline (6) while the other side of the liquid storage tank (7) is connected with the liquid inlet end in the upper part of the spiral-flow reactor (4) through an absorption liquid circulating pipeline (14); the upper part of the spiral-flow reactor (4) is connected with a gas-liquid spiral-flow separator (15) through an exhaust device. The system provided by the invention integrates gas-liquid mixing, reaction and separation and solves the problem that a conventional desulfurizing absorption tower is large in occupied space and great in overall pressure drop. The overall height of the spiral-flow reactor does not exceed 8m. Compared to the height which is tens of meters of a platy tower and a filler tower, the space occupied by the device and the initial investment of the device are extremely saved. The spiral-flow reactor is strong in internal adaptability, agile to operate and free of moving parts. The system is hard to malfunction, relatively small in relative volume and convenient to overhaul.

Description

technical field [0001] The invention relates to a cyclone reaction separation integrated system and process for sulfur-containing gas desulfurization, belonging to the field of gas desulfurization purification process. Background technique [0002] The amine desulfurization process is the most widely used one in the desulfurization of sulfur-containing gases. Traditional amine desulfurization absorption towers mostly use plate towers or packed towers. The total height of these two tower structures is often more than tens of meters, occupying space and equipment. The initial investment is large, and the maintenance is inconvenient, and the pressure drop of the gas passing through the tower is also large. In order to increase the mass transfer driving force of the solute between the gas-liquid two-phase, the operating pressure is usually above 1.0MPa, while the operating pressure of the regeneration tower is generally selected from 0.1MPa to 0.2MPa, which requires continuous b...

Claims

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Application Information

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IPC IPC(8): B01D53/78B01D53/52B01D45/12
Inventor 王振波杨新蒙朱丽云孙治谦陈阿强李彬金有海
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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