Annular pipe rotational flow layer of desulfurizing tower and working method thereof

A working method and desulfurization tower technology, applied in separation methods, chemical instruments and methods, dispersed particle separation, etc., can solve the problems of the influence of the flow field distribution of the desulfurization tower, the negative effects of the safe and stable operation of the desulfurization system, and the adherence to the wall. Effects of pipes, reduced diameter, increased velocity

Inactive Publication Date: 2013-04-03
GUANGDONG YIKE ELECTRIC POWER TECH
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  • Abstract
  • Description
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Problems solved by technology

When the sulfur-containing flue gas enters the desulfurization tower from the flue gas inlet of the absorption tower, it is easy to cause wall adhesion, so that part of the flue gas escapes without desulfurization
At the same time, flue gas escape will also adversely affect the flow field distribution in the desulfurization tower, and have a negative effect on the safe and stable operation of the desulfurization system

Method used

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  • Annular pipe rotational flow layer of desulfurizing tower and working method thereof
  • Annular pipe rotational flow layer of desulfurizing tower and working method thereof

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Embodiment Construction

[0013] see figure 1 and figure 2 As shown, the ring pipe swirl layer of a desulfurization tower of the present invention includes a desulfurization tower wall 7, an annular slurry pipeline 3 is arranged on the desulfurization tower wall 7, and more than one high-efficiency atomizing nozzle is arranged tangentially on the annular slurry pipeline 3 4. The high-efficiency atomizing nozzle 4 is arranged below the annular slurry pipeline 3 . Tangential arrangement of the turbulent flow field generated by the high-efficiency atomizing nozzle 4 enhances the uniformity of reactant mixing, increases the specific surface area of ​​the reaction, prolongs the reaction contact time, and accelerates the rate of the absorption reaction, thereby realizing efficient desulfurization.

[0014] Wherein, the diameter of the annular slurry pipe 3 is 0.8m, which acts like a rectifying member and can prevent the flue gas from escaping along the tower wall, making it easier for the flue gas to flow ...

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Abstract

The invention discloses an annular pipe rotational flow layer of a desulfurizing tower and a working method thereof. The annular pipe rotational flow layer comprises a desulfurizing tower wall, wherein an annular slurry pipeline is distributed on the desulfurizing tower wall in an attaching mode, more than one efficient atomization nozzle is arranged in the tangential direction of the annular slurry pipeline, and the efficient atomization nozzles are arranged below the annular slurry pipeline. Slurry is filled in the annular pipe rotational flow layer; because the annular slurry pipeline is distributed on the desulfurizing tower wall in an attaching mode, and more than one efficient atomization nozzle is arranged in the tangential direction of the annular slurry pipeline, the slurry is formed into a downward spiral turbulence flow flied; and flue gas with a higher sulfur concentration, after passing through a flue gas inlet, moves upwards, so that the flue gas is in contact with superfine mist particles produced by the action of the efficient atomization nozzles, thereby achieving an effect of efficient desulfurization.

Description

technical field [0001] The invention relates to a ring pipe swirl layer of a desulfurization tower and a working method thereof. Background technique [0002] At present, due to the relatively mature wet desulfurization technology and the use of cheap absorbents, it has become the most widely used desulfurization technology in the world. However, there are also problems of low desulfurization efficiency, high energy consumption and high desulfurization cost. [0003] In the wet desulfurization process, the core part is the desulfurization tower. In the desulfurization tower, the sulfur-containing flue gas is absorbed and oxidized. Among them, the absorption of sulfur-containing flue gas is a key process that affects desulfurization efficiency and energy consumption. When the sulfur-containing flue gas enters the desulfurization tower from the flue gas inlet of the absorption tower, it is easy to cause wall adhesion, so that part of the flue gas escapes without desulfuriza...

Claims

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Application Information

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IPC IPC(8): B01D53/80B01D53/50
Inventor 郭振清
Owner GUANGDONG YIKE ELECTRIC POWER TECH
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