Wet fuel gas desulfurizing absorption tower

Abstract

The invention provides a wet flue gas desulfurization absorption tower, including a tower body, a tower top welded with a peak of the tower body, a purified flue gas outlet lateral plate welded with a lateral part of the tower body, an outlet roof and an outlet soleplate welded with a lateral plate, a purified flue gas outlet consists of the outlet lateral plate, the outlet roof and the outlet soleplate, the outlet roof is welded with the tower top; the outlet soleplate is welded with the tower body by a cambered connecting piece; a cross section of the cambered adapting piece is a part of a circle. As the holistic cambered connecting piece is adopted to be connected with the flue gas outlet soleplate and the absorption tower wall, the taper angle and the acute angle at a joint are eliminated, reduces overflowing phenomenon of high speed flue gas is reduced, and the service life of a lining is prolonged; workload of manufacturing and welding with subsections is lowered by a holistic cambered pipe, thus construction is easy.

Description

technical field [0001] The invention relates to a flue gas desulfurization device of a thermal power plant, in particular to a wet flue gas desulfurization absorption tower. Background technique [0002] my country is a big coal-burning country, and coal-fired accounts for 75% of primary energy, while 90% of sulfur dioxide emissions come from coal-burning. How to achieve efficient use of energy and rapid economic growth while reducing pollution to the ecological environment is a key issue that needs to be solved for the harmonious development of my country's economy and society. In order to prevent and control sulfur dioxide pollution in our country, it is the key to control the discharge of the three major sources of flue gas, such as thermal power plants, industrial boilers and kilns. Flue gas desulfurization technology (FGD) is the main way to solve the pollution of flue gas emissions. [0003] The absorption tower system and the flue system are the core equipment of the...

AI Technical Summary

Problems solved by technology

[0007]The above methods have certain defects: Option 1 solves the problem of sharp corners to a certain extent, but it inevitably brings new problems of difficult processing. With the increase of joints, the workload of welding seam grinding also increases, resulting in more difficult construction; scheme 2 connects the bottom plate of the net flue gas outlet and the wall of the absorption tower by installing a transition plate, although the angle becomes larger, it fundamentally solves the problem. There is no problem of sharp corners, and it increases the difficulty of welding, which is not conducive to gas flow and makes the lining easy to damage

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