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Stirring device for improving oxidation characteristic

A stirring device and characteristic technology, applied in the direction of mixers with rotating stirring devices, chemical instruments and methods, mixers, etc., can solve the effect of oxidation and stirring, the pressure head of the oxidation air fan is large, and the energy of the oxidation air fan Problems such as large consumption, to achieve the effect of increasing utilization rate, reducing energy consumption, and reducing consumption

Inactive Publication Date: 2010-06-09
中建中环新能源有限公司
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Problems solved by technology

[0004] For the single-stage side-entry stirring device, the position of the oxidation air pipe is relatively deep, the pressure head of the oxidation air fan is relatively large, and the energy consumption of the oxidation air fan is relatively large.
In addition, because the desulfurization tower is generally relatively large, if one mixer in the single-stage side-entry mixing device stops working due to failure or other reasons, the oxidation and stirring effects will be significantly affected

Method used

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  • Stirring device for improving oxidation characteristic
  • Stirring device for improving oxidation characteristic
  • Stirring device for improving oxidation characteristic

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Embodiment Construction

[0017] The stirring device for improving oxidation characteristics includes an upper-stage agitator 1 and a lower-stage agitator 2, and a certain number of agitators can be added between the two-stage agitators according to the height of the slurry pool.

[0018] Upper newly absorbed SO 2 The slurry and oxidizing air move downward under the impetus of the upper-stage stirring system, and then are dispersed by the lower-stage stirring system, so that the oxidation reaction is more fully and rapidly. At the same time, the flow rate and pressure head of the oxidation fan are reduced, the pH value of the upper slurry is increased, and the reliability and stability of the desulfurization system operation are increased.

[0019] The stirring device of the present invention is composed of N (2≤N≤5) level stirrers, which are determined according to the height of the slurry pool.

[0020] The height difference between the various agitators is H (0.5≤H≤1), which is determined according...

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Abstract

The invention relates to a stirring device for improving an oxidation characteristic, which is set for improving the oxidation characteristic and reducing oxidation air flow and pressure energy in a WFGD or a similar field, comprises a serous fluid pool, side-entering agitators and an oxidation air pipe, and is characterized in that the side-entering agitators of 2-5 grades are provided and are sequentially arranged on the height direction of the serous fluid pool, and the oxidation air pipe is arranged near the side-entering agitators at the topmost end. The device for improving the oxidation characteristic can improve the reliability of system operation, improve the oxidation speed of a serous fluid, enhance the oxidation effect of the serous fluid, lower the oxidation fan flow and pressure energy and increase the pH value of the upper-grade serous fluid, and has a great promoting action on the stable and high-efficiency operation of a desulphurization system.

Description

technical field [0001] The invention relates to a stirring device capable of improving oxidation characteristics used in a wet flue gas desulfurization system (WFGD) or similar fields. Background technique [0002] The currently known oxidation-promoting device in this field is a single-stage side-entry blade agitator, which is generally installed on the side of the desulfurization tower. The motor drives the metal shaft and metal blades to rotate at a certain speed, and then the blades stir the slurry. The front of the blade bulges and is dispersed by the rotating blade to make it mix more evenly with the slurry, expand the reaction area and increase the reaction speed. [0003] Another function of the single-stage side-entry stirring device is to stir the slurry to prevent the solid particles from depositing and compacting in the slurry. [0004] For the single-stage side-entry stirring device, the position of the oxidation air pipe is relatively deep, the pressure head o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F7/04B01D53/80B01D53/50
Inventor 缪明烽张志平陈茂兵
Owner 中建中环新能源有限公司
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