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Flue gas treatment technology and apparatus thereof

A technology of flue gas treatment and process, which is applied in the field of flue gas treatment process and equipment, can solve the problems of complex operation and low efficiency, and achieve the effects of easy popularization and application, improved efficiency, and less cumbersome operation steps

Inactive Publication Date: 2016-04-13
GUANGXI KUONENGBA ENERGY TECH DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the prior art, the technology of using hydrogen peroxide to treat flue gas still has problems such as low efficiency and complicated operation.

Method used

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  • Flue gas treatment technology and apparatus thereof
  • Flue gas treatment technology and apparatus thereof

Examples

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Effect test

Embodiment 1

[0022] A flue gas treatment process, comprising the following steps: turn on the switch of the ultraviolet lamp (2), make the ultraviolet lamp (2) in the working state, pass the flue gas with a temperature of 60°C through the flue gas pipe (1), and simultaneously pass through the The hydrogen peroxide inlet (3) is sprayed into the atomized hydrogen peroxide solution, oxygen is introduced through the oxygen inlet (4), the atomized solution A is sprayed into the solution A inlet (5), and mixed with the flue gas; Solution A is composed of a copper sulfate solution with a concentration of 10ppm and a magnesium sulfate solution with a concentration of 10ppm according to a volume ratio of 1:2.

[0023] The ultraviolet wavelength of the ultraviolet lamp (2) is 180nm.

[0024] The concentration of the hydrogen peroxide solution is 15ppm.

[0025] The oxygen is pure oxygen, and the concentration of oxygen in the flue gas pipeline (1) is controlled to be 0.05mol / L.

[0026] The device...

Embodiment 2

[0030] A flue gas treatment process, comprising the following steps: turn on the switch of the ultraviolet lamp (2), put the ultraviolet lamp (2) in a working state, pass the flue gas with a temperature of 70°C through the flue gas pipe (1), and simultaneously pass through the The hydrogen peroxide inlet (3) is sprayed into the atomized hydrogen peroxide solution, oxygen is introduced through the oxygen inlet (4), the atomized solution A is sprayed into the solution A inlet (5), and mixed with the flue gas; Solution A is composed of copper sulfate solution with a concentration of 15ppm and magnesium sulfate solution with a concentration of 5ppm according to the volume ratio of 1:2.

[0031] The ultraviolet wavelength of the ultraviolet lamp (2) is 260nm.

[0032] The concentration of the hydrogen peroxide solution is 20ppm.

[0033] The purity of the oxygen is 99.5%, and the concentration of the oxygen in the flue gas pipeline (1) is controlled to be 0.1mol / L.

[0034] The d...

Embodiment 3

[0038] A flue gas treatment process, comprising the following steps: turn on the switch of the ultraviolet lamp (2), make the ultraviolet lamp (2) in a working state, pass the flue gas with a temperature of 65°C through the flue gas pipe (1), and simultaneously pass through the The hydrogen peroxide inlet (3) is sprayed into the atomized hydrogen peroxide solution, oxygen is introduced through the oxygen inlet (4), and the atomized solution A is sprayed through the solution A inlet (5), mixed with the flue gas; Solution A is composed of a copper sulfate solution with a concentration of 12ppm and a magnesium sulfate solution with a concentration of 7ppm in a volume ratio of 1:2.

[0039] The ultraviolet wavelength of the ultraviolet lamp (2) is 200nm.

[0040] The concentration of the hydrogen peroxide solution is 18ppm.

[0041] The purity of the oxygen is 99.5%, and the concentration of the oxygen in the flue gas pipeline (1) is controlled to be 0.06mol / L.

[0042] The devi...

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Abstract

The invention discloses a flue gas treatment technology. The technology comprises the following steps: the switch of an ultraviolet lamp tube (2) is turned on to make the ultraviolet lamp tube (2) be in a working state, flue gas with the temperature of 60-70DEG C goes through a flue gas pipeline (1), an atomized hydrogen peroxide solution is injected through a hydrogen peroxide inlet (3), oxygen is introduced through an oxygen inlet (4), an atomized solution A is injected through a solution A inlet (5), and the injected atomized hydrogen peroxide solution, the introduced oxygen and the injected atomized solution A are mixed with and react with the flue gas. The invention also discloses an apparatus used for implementing the flue gas treatment technology. The ultraviolet lamp tube (2) is arranged in the flue gas pipeline (1), and a pipeline wall of the flue gas pipeline (1), close to a flue gas inlet, is respectively provided with a hydrogen peroxide inlet (3), an oxygen inlet (4) and a solution A inlet (5). The flue gas treatment technology has the advantages of simultaneous desulphurization and denitration, simple operation and high efficiency.

Description

technical field [0001] The invention belongs to the field of coal-fired flue gas treatment, and in particular relates to a flue gas treatment process and device. Background technique [0002] my country is rich in coal resources and is one of the main energy sources. However, with the use of coal, environmental problems have become prominent. The combustion of coal emits smoke, which contains a large amount of SOx, SO 2 , N 2 O and other polluting gases. According to statistics, 90% of SOx, 71% of CO, and CO 2 85% of NOx, 70% of NOx and 70% of soot all come from the direct combustion of raw coal, so coal-fired flue gas is the main cause of air pollution in our country. In order to further improve the urban ambient air quality and strengthen the pollution control of coal-fired steam boilers, it is urgent to find an efficient flue gas desulfurization and denitrification method. In the prior art, most of them pay attention to the desulfurization of flue gas, and the desulfu...

Claims

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Application Information

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IPC IPC(8): B01D53/76B01D53/73B01D53/78B01D53/86B01D53/60
CPCB01D53/76B01D53/60B01D53/73B01D53/78B01D53/8637B01D2251/102B01D2258/0283
Inventor 崔素清梁杰锋张亮吴巧丽
Owner GUANGXI KUONENGBA ENERGY TECH DEV CO LTD
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