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An ozone-type high-temperature flame device synergistically removes multiple pollutants in flue gas system

A technology for pollutants and oxygen generators, applied in indirect carbon dioxide emission reduction, non-flammable liquid/gas transportation, combustion methods, etc., can solve the problems of low pollutant removal efficiency, single removal technology, and high operating costs

Inactive Publication Date: 2017-06-20
SHANXI UNIV
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the technical problems of single removal technology, high operation cost and low removal efficiency of some pollutants existing in the current field of flue gas pollutant treatment, the present invention provides an ozone-type high-temperature flame device for synergistic removal of pollutants in flue gas. pollutant system

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  • An ozone-type high-temperature flame device synergistically removes multiple pollutants in flue gas system

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Embodiment Construction

[0014] An ozone-type high-temperature flame device synergistically removes various pollutants in the flue gas system. After the air passes through the oxygen generator 1, the nitrogen is collected and stored for other purposes, and the oxygen enters the ozone generator 2 to form a mixed gas of ozone and pure oxygen. It is fully mixed with the upstream flue gas in the gas mixer 3, and then sent to the burner 4 for pre-mixing with the gas and enters the combustion device 5 for high-efficiency combustion, forming oxygen-enriched combustion with high temperature and uniform temperature field, and obtaining an ozone-type high-temperature combustion flame atmosphere, make full use of the strong oxidation of ozone active molecules and the high-temperature flame produced by oxygen-enriched combustion to fully oxidize and decompose various pollutants in the flue gas, and the newly generated flue gas passes through the pollutant removal device 6 to completely remove the pollutants remove...

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Abstract

The invention discloses a system capable of cooperatively removing multiple contaminants in smoke in an ozone type high temperature flame device, and belongs to the technical field of smoke pollution treatment. The system is mainly characterized in that strong oxidizing property of ozone in ozone type high temperature flames and high-temperature flames generated by combustion cooperatively remove the multiple contaminants in the pollution smoke. The system comprises an oxygen producing device, an ozone generator, a gas mixer, a combustor, a combustion device and a pollution removing device. The ozone type high temperature flames generated by combustion are utilized for oxidizing and decomposing the multiple components in the pollution smoke in the combustion process, SO2, NO, and Hg in the oxidized smoke are in high oxidation states, VOCs and dioxin are decomposed, finally, an alkalinity absorbent absorbs SO3 / NOx, and the multiple contaminants in the smoke are thoroughly removed.

Description

technical field [0001] The invention belongs to the field of high-efficiency combustion and pollutant control, and specifically relates to an ozone-type high-temperature flame device cooperatively removing various pollutants in flue gas, especially designed for flue gas of small coal-fired boilers and garbage incinerators. Background technique [0002] my country is facing increasingly serious smog and environmental pollution, and objectively requires the improvement of environmental protection standards. As the emission standards become more and more stringent, this requires the continuous improvement of flue gas pollutant treatment technology. Judging from the composition of pollutants, mainly SO 2 , NOx, VOCs, dioxins and heavy metals. At present, thermal power plants in my country have adopted desulfurization and denitrification devices. With the implementation of environmental standards for ultra-clean emissions, large thermal power plants have surpassed the standards o...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23B80/02F23L7/00F23J15/02
CPCY02E20/34
Inventor 王福珍靳智平杨阳白涛焦海峰胡波
Owner SHANXI UNIV