Absorption tower

Abstract

The invention discloses an absorption tower. The absorption tower comprises a vertical tower body, wherein the tower body is formed by splicing four cylinders; an air outlet is formed in a sealing head on the top end of the first cylinder; a defoaming device is arranged under the air outlet; a first filter material layer is arranged under the defoaming device; the first filter material layer is arranged on a first bracket; a concentrated sulfuric acid inlet pipe is arranged on the side wall of the top end of the second cylinder; a distribution disk is arranged under the concentrated sulfuric acid inlet pipe; a second filter material layer is arranged under the distribution disk; a second bracket of the second filter material layer is arranged near the top end of the third cylinder; a grating plate is arranged on the upper surface of the second bracket, and a reference cone cylinder is arranged on the lower surface of the second bracket; a third filter material layer is arranged under the reference cone cylinder; the third filter material layer is arranged on a third bracket in the fourth cylinder; an air inlet pipe is arranged under the third bracket; a lower sealing head of the fourth cylinder is provided with a concentrated sulfuric acid outlet pipe; the tail end of a liquid penetration pipe stretches to a position under a disk body and is set into an inclined cutting opening; a conical liquid receiving cylinder directly faces a liquid outlet hole in the bottom end of the concentrated sulfuric acid inlet pipe.

Description

technical field [0001] The invention relates to the field of sewage treatment, in particular to an absorption tower. Background technique [0002] Sulfur dioxide pollution has become an important factor restricting the sustainable development of my country's economy and society, so it is imperative to control sulfur dioxide pollution. At present, according to the different parts of the desulfurization process in production, three desulfurization methods can be used: desulfurization before combustion, desulfurization during combustion and desulfurization after combustion. Among them, flue gas desulfurization after combustion is the main means used in the world to control sulfur dioxide gas pollution. There are many kinds of desulfurization technologies, which can be roughly divided into three types: dry method, semi-dry method and wet method according to the reaction state of the desulfurization process. [0003] The existing absorption tower has uneven distribution of gas ...

AI Technical Summary

Problems solved by technology

[0003] The uneven distribution of gas and liquid in the existing absorption tower results in low packing utilization, and the high-concentration sulfuric acid falling and splashing at the liquid inlet causes liquid to enter from the air outlet, resulting in unsmooth gas outlet, thereby reducing the processing efficiency of the equipment, which needs to be improved

[0004] Furthermore, due to the high tower body, the existing absorption tower is difficult to install and maintain, and needs to be improved.

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