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Fast smoke desulfurizing tower

A desulfurization tower, fast technology, applied in the field of flue gas purification, can solve the problems of uneven contact area, easy corrosion desulfurization tower, poor desulfurization effect, etc., to solve the problem of insufficient contact, improve speed and effect, and prevent splashing everywhere Effect

Inactive Publication Date: 2015-05-06
GUANGXI NANNING HUAGUO ENVIRONMENT SCI & TECH
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  • Abstract
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Problems solved by technology

[0004] The existing flue gas desulfurization equipment mainly has the following disadvantages: 1. Spray desulfurization, the contact strength between flue gas and desulfurization liquid is limited, the contact area is uneven, and the desulfurization effect is not good
Not only the desulfurization is not complete, but also the desulfurization liquid has a large contact area with the desulfurization tower, which is easy to corrode the desulfurization tower; The contact area between gas and desulfurization liquid is limited, resulting in poor desulfurization effect

Method used

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  • Fast smoke desulfurizing tower

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Embodiment Construction

[0028] The present invention will be described in detail below in conjunction with the accompanying drawings, so that those of ordinary skill in the art can implement it after referring to this specification.

[0029] Such as figure 1 As shown, a flue gas fast desulfurization tower includes:

[0030] The outlet layer is arranged on the top of the desulfurization tower; the outlet layer includes an outlet 1 and a demister layer 2, and the desulfurized flue gas has a lot of moisture and vaporized sulfide, and these moisture and sulfide are in the The droplets are gathered on the demister layer 2 and finally drip into the buffer layer 3 .

[0031] Gas-liquid hedge layer 3, which is arranged below the outlet layer and communicates with the outlet layer, at least one vertically downward shoot tube is arranged inside the hedge layer, and the lower end opening of the shoot tube is set as an inverted funnel 4. The hydraulic pump 6 extracts the desulfurization liquid from the desulfu...

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Abstract

The invention discloses a fast smoke desulfurizing tower. The fast smoke desulfurizing tower comprises an outlet layer, a gas-liquid hedging layer, a gas-liquid mixing layer and an air inlet layer. According to the tower, a gas-liquid mixing pump is arranged to fully mix smoke and a desulfurizing solution to solve insufficient contact and slow contact process of the smoke and the desulfurizing solution in a traditional desulfurizing tower, so that the desulfurizing speed is increased and the desulfurizing effect is achieved; a gas cutting device is arranged between the gas-liquid mixing pump and a gas inlet pipe for communication, so that columnar airflow in the gas inlet pipe is cut into broken airflow, and then the broken airflow and the desulfurizing solution are stirred and mixed, and further the mixing effect is improved; in addition, a gas-liquid spout pipe and an ejection pipe are arranged to form a hedge to cause strong collision of the smoke and the desulfurizing solution, so that the contact force of the smoke and the desulfurizing solution is increased and the reaction effect is improved; and a lower-end opening of the ejection pipe is arranged to be hopper-shaped to prevent splash in all directions during hedging of the desulfurizing solution and the smoke, so that the inside of the desulfurizing tower can be kept clean.

Description

technical field [0001] The invention relates to the field of flue gas purification, in particular to a flue gas fast desulfurization tower. Background technique [0002] The double alkali method uses a sodium-based desulfurizer for desulfurization in the tower. Due to the strong alkalinity of the sodium-based desulfurizer, the solubility of the reaction product after absorbing sulfur dioxide is large, and it will not cause supersaturated crystallization, which will cause scaling and blockage. On the other hand, the desulfurization product is discharged into the regeneration tank for reduction and regeneration with calcium hydroxide, and the regenerated sodium-based desulfurizer is returned to the desulfurization tower for recycling. The double-alkali desulfurization process reduces investment and operating costs, and is more suitable for desulfurization transformation of small and medium-sized boilers. [0003] The structural principles of traditional desulfurization towers...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/78B01D53/50
Inventor 覃江浩
Owner GUANGXI NANNING HUAGUO ENVIRONMENT SCI & TECH
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