A comprehensive flue gas treatment system

A comprehensive treatment and flue gas technology, applied in the direction of combined device, air quality improvement, combustion method, etc., can solve the problems of large area of ​​equipment and separate operation, and achieve good removal effect, high removal efficiency, economic and environmental benefits Good results

Active Publication Date: 2016-06-15
GL TECH CO LTD
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The purpose of the present invention is to provide a flue gas comprehensive treatment system to solve the problem that the desulfurization, dust removal and denitrification of the existing flue gas treatment system are carried out separately, and the equipment occupies a large area

Method used

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  • A comprehensive flue gas treatment system
  • A comprehensive flue gas treatment system
  • A comprehensive flue gas treatment system

Examples

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Embodiment 1

[0036] In the comprehensive flue gas treatment system of this embodiment, the secondary SCR catalytic oxidation device used is as figure 1 As shown, it includes a venturi tube 24 with a flue gas inlet, a primary catalytic reaction box 26 and a secondary catalytic converter 27 with a flue gas outlet. The flue gas inlet of the venturi tube 24 is provided with an inlet valve 21, two The flue gas outlet of the first-stage catalytic converter 27 is provided with an outlet valve 29;

[0037] The top of the Venturi tube 24 is provided with a reducing agent tank 4 for holding the SCR reducing agent, and the outlet at the bottom of the reducing agent tank 4 is connected with the feed port of the Venturi tube 24 for making the Venturi tube 24 The SCR reducing agent is inhaled and mixed with the flue gas by suction; a ceramic heater is arranged inside the diffusion end of the Venturi tube 24, and the surface of the ceramic heater is attached with an SCR catalyst; the diffusion of the Ven...

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Abstract

The invention discloses a comprehensive smoke treatment system. The comprehensive smoke treatment system comprises a combustion catalytic oxidation device, a two-stage SCR catalytic oxidation device and a particle capturing device, wherein the combustion catalytic oxidation device comprises a combustion box; a gas outlet of the combustion box is connected with a smoke inlet of the two-stage SCR catalytic oxidation device; the particle capturing device comprises a dust remover and a venturi tube washer; an inlet of the dust remover is connected with a smoke outlet of the two-stage SCR catalytic oxidation device; a gas outlet of the dust remover is connected with an inlet of the venturi tube washer. With the adoption of the comprehensive smoke treatment system, the purchases of dust removal, desulfuration and denitration can be quickly and efficiently achieved; meanwhile, nitric oxide, sulphur and sulfur oxide, CO, HC, dust and other pollutants can be simultaneously removed, and the removal efficiency is high and the removal effect is good; the emitted gas meets the national and industrial standards; the secondary pollution, in particular secondary water pollution can be avoided; the comprehensive treatment system is high in economic and environmental benefits and is suitable for popularization and application.

Description

technical field [0001] The invention belongs to the technical field of flue gas treatment, and in particular relates to a comprehensive flue gas treatment system. Background technique [0002] In recent years, with the improvement of people's awareness of environmental protection, air quality has attracted more and more attention. At present, air pollutants mainly include sulfur oxides, nitrogen oxides and dust pollution. According to statistics, more than 90% of NOx in my country's air pollutants comes from the combustion process of fossil fuels (such as coal, oil, natural gas, etc.), of which 70% comes from the combustion of coal, and the coal used for power generation in thermal power plants accounts for the national fuel consumption. 70% of coal. After NOx enters the atmosphere, under the action of sunlight, it is easy to form chemical smog and damage the human respiratory system. NO is also one of the precursor gases to destroy the atmospheric ozone layer and form acid...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/90B01D53/56B01D53/81B01D53/50B01D53/46B01D53/62B01D53/72B01D50/00F23G7/07
CPCY02A50/20
Inventor 赵彤宇张一新程磊刘电龙姜林
Owner GL TECH CO LTD
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