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Flue gas desulfurization, denitrification and decarburization device and technology

A desulfurization, denitrification, and decarbonization technology, which is applied in the fields of ammonium nitrate, gas treatment, inorganic chemistry, etc., to achieve high-efficiency purification, good economy, and good flue gas purification effect

Inactive Publication Date: 2018-05-04
陈萌
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the use of seawater in the prior art is limited to desulfurization and / or denitrification, and there is no technology that can achieve desulfurization, denitrification and decarbonization, and it is urgent to improve the application technology of seawater

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  • Flue gas desulfurization, denitrification and decarburization device and technology
  • Flue gas desulfurization, denitrification and decarburization device and technology

Examples

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Embodiment 1

[0042] A desulfurization, denitrification and decarbonization device for flue gas, which includes a seawater treatment system and a flue gas treatment system; the seawater treatment system includes sequentially connected filters, centrifugal pumps, RO membranes, storage tanks A, storage tanks B, storage tanks C, Precipitation chamber and membrane electrolysis chamber; the flue gas treatment system includes sequentially connected heat exchangers, dust collectors, spray chamber A, membrane contactor, spray chamber B, and chimney. Among them, the outlet of the filter is divided into two branches, one is connected with the centrifugal pump, and the other is connected with the membrane contactor, so as to supply fresh seawater to the desulfurization of the membrane contactor and the seawater desalination of the RO membrane respectively, and the RO membrane and the storage tank A connected to store the seawater concentrated by the RO membrane in storage tank A, which is connected to ...

Embodiment 2

[0052] A desulfurization, denitrification and decarbonization device for flue gas, which includes a seawater treatment system and a flue gas treatment system; the seawater treatment system includes sequentially connected filters, centrifugal pumps, RO membranes, storage tanks A, storage tanks B, storage tanks C, Precipitation chamber and diaphragm electrolysis chamber; flue gas treatment system includes sequentially connected heat exchanger, dust collector, gas mixer, spray chamber A, membrane contactor, spray chamber B, chimney, dryer, N2 selection sex absorber. Among them, the outlet of the filter is divided into two branches, one is connected with the centrifugal pump, and the other is connected with the membrane contactor, so as to supply fresh seawater to the desulfurization of the membrane contactor and the seawater desalination of the RO membrane respectively, and the RO membrane and the storage tank A connected to store the seawater concentrated by the RO membrane in s...

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Abstract

The invention relates to a flue gas desulfurization, denitrification and decarburization device and technology. The device and technology are characterized in that a sea water desalination system anda sea water electrolysis system are coupled, an HCl liquid flow with strong oxidizing property and an alkaline NaOH liquid flow are prepared by electrolyzing sea water, and flue gas desulfurization, denitrification and decarburization are realized by virtue of alkalinity of sea water self, so that resource utilization rate is high and flue gas treatment effect is good.

Description

technical field [0001] The application relates to an environmental protection treatment device and process for flue gas, in particular to a device and process for desulfurization, denitrification and decarbonization of flue gas. Background technique [0002] At present, my country's industrial boilers are all ordinary chain boilers with high energy consumption, low efficiency and high emissions, and the thermal efficiency of the boilers is generally between 60-65%. Among them, coal-fired boilers emit a large amount of SO 2 , nitrogen oxides (NOx) and CO 2 gas, etc., SO 2 , NOx is the main component of air pollution, and also the main substance that forms acid rain and photochemical smog, while CO 2 Environmental problems such as the greenhouse effect caused by greenhouse gases not only destroy the ecosystem but also endanger human health. The economic and social risks and heavy losses brought about by these environmental problems have undoubtedly become a major issue rel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/78B01D53/60B01D53/62C02F9/06C01C1/242C01C1/18C01C1/16C02F103/08
CPCB01D53/78B01D53/60B01D53/62B01D2251/108B01D2251/304B01D2251/604B01D2257/504B01D2258/0283C01C1/164C01C1/185C01C1/242C02F1/001C02F1/441C02F1/461C02F9/00C02F2001/007C02F2103/08
Inventor 陈萌
Owner 陈萌
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