Composite seawater desulfurization apparatus

Abstract

The present invention discloses a composite seawater desulfurization apparatus. According to the apparatus, a primary atomization and desulfurization area, a support frame, a secondary liquid film desulfurization area, a seawater distributer and a demisting area are sequentially arranged inside an absorption tower from bottom to top; the top of the absorption tower is provided with a flue gas outlet; the bottom of the absorption tower is provided with a flue gas inlet; the primary atomization and desulfurization area and the seawater distributer are connected with a seawater conveying system; in the secondary liquid film desulfurization area, on one hand, a filler surface provides a gas-liquid contact reaction surface to carry out seawater liquid film desulfurization, on the other hand, the flue gas is demisted, wherein the flue gas is subjected to a desulfurization treatment; the seawater distributer is characterized by: distributing the seawater to the filler in the fluid film desulfurization layer, and carrying out direct spraying desulfurization for the flue gas; the demisting area is provided with a demisting device to remove the mist droplets from the flue gas, and prevent the follow-up device from scaling. With the composite seawater desulfurization method and the apparatus thereof, the requirements of efficient desulfurization can be met, the use amount of the seawater and the filler can be saved, and the desulfurization cost can be reduced.

Description

technical field [0001] The invention relates to a flue gas desulfurization device, in particular to a seawater composite desulfurization device. Background technique [0002] SO 2 Pollution is the main problem of air pollution in our country and an important environmental factor that restricts the coordinated and stable development of our economy. The main source of SO2 in my country's atmosphere is coal combustion. Its emissions account for more than 90% of the total emissions, so the application of desulfurization technology is very important for protecting the ecological environment and achieving sustainable development. Among the current desulfurization technologies, limestone-gypsum wet flue gas desulfurization technology has been widely used due to its mature technology, high desulfurization efficiency, and stable operation. , High investment and operating costs. [0003] The seawater desulfurization technology has the advantages of mature technology, easy access t...

AI Technical Summary

Problems solved by technology

[0005] Although the traditional seawater desulfurization process has been applied at home and abroad, except that this process is only suitable for areas with abundant seawater resources, its desulfurization efficiency is low, seawater consumption is large, and the filler needs to be cleaned and added regularly

At present, most of the fillers used in my country's seawater desulfurization absorption towers are imported from abroad, which are expensive and costly to operate the system

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