Desulfurization, ash removal, denitrification integrated flue gas purifier

An integrated, purifier technology, applied in the field of ash removal, denitrification integrated flue gas purifier, and desulfurization, can solve the problems of high system investment cost and subsequent operation processing cost, complex process, low subsequent operation processing cost, etc. It is convenient for online work maintenance, simple design structure, and convenient and fast on-site installation.

Active Publication Date: 2015-09-02
河北舒司特瑞重工科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Of the above two methods, the SCR method has a higher denitrification efficiency, and the emission standard can reach >90%, but the process is complicated, and the system investment cost and subsequent operation and treatment costs are high. The SNCR method has less investment and lower follow-up operation and treatment costs, but the denitrification efficiency is low It can reach <60% but cannot meet the increasingly stringent national emission requirements for nitrate in flue gas

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  • Desulfurization, ash removal, denitrification integrated flue gas purifier
  • Desulfurization, ash removal, denitrification integrated flue gas purifier
  • Desulfurization, ash removal, denitrification integrated flue gas purifier

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention.

[0033] Such as figure 1 and figure 2 As shown, it is an integrated flue gas purifier for desulfurization, ash removal and denitrification of the present invention, which includes a cabin body 2 communicating with the right end of the boiler flue gas pipeline 1 . The right end of the cabin body 2 is provided with a purified flue gas outlet 3, and the purified flue gas outlet is connected with the centrifugal fan 4. The left part of the inner cavity of the cabin body 2 is provided with a desulfurization device. Desulfurization liquid atomized water spraying device, the desulfurized liquid atomized water spraying device is connected with the atomized liquid storage bin 5 equipped w...

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Abstract

The invention relates to a desulfurization, dedusting and denitration integrated flue-gas purifier. The flue-gas purifier comprises a chamber body communicated with the right end of a boiler flue gas pipeline, wherein a purified flue gas outlet is formed in the right end of chamber body, and the inner cavity of the chamber body is sequentially connected with a desulfurization device, a dedusting device and a denitration device from left to right; the desulfurization device comprises an atomized desulfurization liquid spraying device and a slaked lime spraying device which are distributed in the inner cavity of the chamber body left and right; the atomized desulfurization liquid spraying device is connected with an atomized liquid storage chamber filled with desulfurization liquid; the slake lime spraying device is connected with a slaked lime storage chamber filled with slaked lime; the dedusting device comprises a plurality of dedusting filtering bags fixed in the chamber body; the denitration device comprises a plurality of oxidant spraying devices which are fixed at the upper end of the inner cavity of the chamber body and a urea solution positioned on the right side of the inner cavity of the chamber body; the oxidant spraying devices are connected with an oxidant storage chamber filled with oxidant solutions. The integrated flue-gas purifier organically combines the desulfurization device, the dedusting device and the denitration device, has a simple structure and process and occupies small area, the investment and operation cost is low, and the emission meets the relevant standards of China.

Description

technical field [0001] The invention relates to a flue gas purification device, in particular to a flue gas purifier integrated with desulfurization, ash removal and denitrification. Background technique [0002] In recent years, the problem of air pollution has become more and more serious. As a large developing country, my country will still face the serious situation of increasing air pollution for a long time to come. With the continuous increase of energy demand, the pollution problem caused by flue gas emission has become increasingly prominent, and the problem of atmospheric environmental pollution control has attracted extensive attention from all over the world. It is fundamental to develop high-efficiency, energy-saving, and cost-effective flue gas purification equipment and technologies. Solve the different demands of development and environmental protection, current and long-term. [0003] In this context, combined flue gas desulfurization, denitrification and d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/75B01D53/82B01D53/78B01D50/00B01D53/60B01D53/68
Inventor 冀文平
Owner 河北舒司特瑞重工科技有限公司
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