Spraying desulfurization reaction tower
A technology of reaction tower and tower body, applied in the field of spray desulfurization reaction tower, which can solve problems such as environmental hazards, poor dust removal and cooling effect, incomplete desulfurization effect, etc.
Pending Publication Date: 2021-08-31
汪兴杰
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Problems solved by technology
[0005] In order to make up for the deficiencies of the existing technology and solve the problem of poor dust removal and cooling effects when the existing spray desulfurization reaction tower processes high-temperature sulfur-containing flue gas, which makes the desulfurization effect incomplete and causes great harm to the environment, the present invention provides A spray spray desulfurization reaction tower
Method used
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Embodiment approach
[0032] As an embodiment of the present invention, an annular cooling tank 16 is provided near the top of the tower body 11, and the bottom of the annular cooling tank 16 is connected to the outer surface of the tapered pipe 121; Filled with cooling liquid, and the junction of the bottom of the annular cooling tank 16 and the outer surface of the tapered pipe 121 is uniformly provided with a through groove 161; the outer surface of the side wall of the tower body 11 is installed near the middle of the second circulation pump 17 , and the No. 2 circulating pump 17 is equipped with a No. 2 circulating pipe 18; one end of the No. 2 circulating pipe 18 leads into the cooling liquid on the inner surface of the side wall of the tower body 11 and the outer surface of the side wall of the tapered pipe 121 near the bottom. , the other end leads to the position near the top of the inner surface of the side wall of the annular cooling tank 16; a heat exchanger 181 is installed on the secon...
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Abstract
The invention belongs to the technical field of flue gas desulfurization, and particularly relates to a spraying desulfurization reaction tower. The tower comprises a reaction tower device, a gas inlet pipeline, a dust removal device and a discharge pipeline, the dust removal device comprises a cyclone dust remover and a hopper, one end of the gas inlet pipeline is connected with the cyclone dust collector, the other end of the gas inlet pipeline extends into a part close to the bottom in a conical pipe, the discharge pipeline is mounted in the middle of the upper surface of the tower top, the reaction tower device comprises a tower body, a purification device and a tower top, and the purification device comprises a conical pipe, a liquid storage cavity and a sprayer. The dust removal device is additionally arranged before the sulfur-containing flue gas enters the desulfurization device main body, and desulfurization slurry circulation and cooling liquid circulation are adopted in the reaction tower body, so that the sulfur component in the high-temperature sulfur-containing flue gas is more thoroughly removed, the cooling effect and the dust removal effect are more obvious, and the harm of the sulfur-containing flue gas to the natural environment is greatly reduced.
Description
technical field [0001] The invention belongs to the technical field of flue gas desulfurization, in particular to a spray desulfurization reaction tower. Background technique [0002] With a large population, my country is not only a country with large coal reserves and production, but also a large energy consumption country. For quite a long period of time, my country's primary energy is dominated by coal, which will not change. Sulfur exists in the form of sulfide, sulfate and organic sulfur in coal. During the combustion of coal, part of the low-valence sulfide is directly oxidized to sulfur trioxide and forms stable sulfate; the other part is oxidized to sulfur dioxide. The vast majority of this part of sulfur dioxide can react with high-temperature alkaline materials and oxygen again to generate sulfate. The remaining small part of sulfur dioxide will enter the chimney and be discharged into the atmosphere. Sulfur dioxide is a highly irritating colorless gas that can...
Claims
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IPC IPC(8): B01D53/50B01D53/80B01D53/96B01D50/00B01F7/18
CPCB01D53/50B01D53/80B01D53/96B01D2258/0283B01F27/192B01F27/90B01D50/40
Inventor 汪兴杰关杨
Owner 汪兴杰