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Deacidification-dust removal integrated device for flue gas based on dense phase dry tower

A dust removal device and deacidification technology, used in gas treatment, chemical instruments and methods, dispersed particle filtration, etc., to reduce the emission of acidic waste gas and particulate matter, high deacidification efficiency, and improve utilization efficiency.

Pending Publication Date: 2021-07-23
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide an integrated flue gas deacidification and dust removal device based on a dense phase dry tower, which mainly solves the problems of optimizing the flow field and prolonging the deacidification stroke

Method used

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  • Deacidification-dust removal integrated device for flue gas based on dense phase dry tower
  • Deacidification-dust removal integrated device for flue gas based on dense phase dry tower
  • Deacidification-dust removal integrated device for flue gas based on dense phase dry tower

Examples

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Comparison scheme
Effect test

Embodiment 1

[0022] An integrated flue gas deacidification and dust removal device based on a dense phase dry tower described in this embodiment is used for deacidification treatment of sintering flue gas in a steel company, and its flue gas volume is 100×10 4 m 3 / h, SO before entering the deacidification unit 2 The concentration is 1000mg / m 3 .

[0023] An integrated flue gas deacidification and dust removal device based on a dense phase dry tower is composed of a flue gas deacidification device of a dense phase dry tower and a special dust removal device for deacidification.

[0024] The flue gas deacidification device of the dense phase dry tower comprises a flue gas inlet 10, a deacidification device body 9, a deacidification device body ash hopper 11, a deacidification device body ash hopper feeder 15, an ash conveying device 13, a humidifier 12. Stirrer 8.

[0025] The deacidification device body 9 described in this embodiment is divided into an air outlet side 9-1 and an air in...

Embodiment 2

[0037] An integrated flue gas deacidification and dust removal device based on a dense phase dry tower described in this embodiment is used to deacidify the flue gas of a chemical enterprise, and its flue gas volume is 40×10 4 m3 / h, the HF concentration before entering the deacidification device is 2000mg / m 3 .

[0038] An integrated flue gas deacidification and dust removal device based on a dense phase dry tower is composed of a flue gas deacidification device of a dense phase dry tower and a special dust removal device for deacidification.

[0039] The flue gas deacidification device of the dense phase dry tower comprises a flue gas inlet 10, a deacidification device body 9, a deacidification device body ash hopper 11, a deacidification device body ash hopper feeder 15, an ash conveying device 13, a humidifier 12. Stirrer 8.

[0040] The deacidification device body 9 described in this embodiment is divided into an air outlet side 9-1 and an air inlet side 9-2 by a partit...

Embodiment 3

[0051] An integrated flue gas deacidification and dust removal device based on a dense phase dry tower described in this embodiment is used to deacidify the flue gas of an enterprise, and its flue gas volume is 10×10 4 m 3 / h, the HCl concentration before entering the deacidification device is 300mg / m 3 .

[0052] An integrated flue gas deacidification and dust removal device based on a dense phase dry tower is composed of a flue gas deacidification device of a dense phase dry tower and a special dust removal device for deacidification.

[0053] The flue gas deacidification device of the dense phase dry tower comprises a flue gas inlet 10, a deacidification device body 9, a deacidification device body ash hopper 11, a deacidification device body ash hopper feeder 15, an ash conveying device 13, a humidifier 12. Stirrer 8.

[0054] The deacidification device body 9 described in this embodiment is divided into an air outlet side 9-1 and an air inlet side 9-2 by a partition, t...

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Abstract

The invention provides a deacidification-dust removal integrated device for flue gas based on a dense phase dry tower. The device comprises a dense phase dry tower deacidification device and a special deacidification dust remover, wherein the dense phase dry tower deacidification device comprises a flue gas inlet, a deacidification device body, ash hoppers of the deacidification device body, ash hopper feeders of the deacidification device body, an ash conveying device, a humidifier and a stirrer; the deacidification device body is divided into a gas inlet side and a gas outlet side by a partition plate, the lower ends of the gas inlet side and the gas outlet side communicate with each other, and the ash hoppers of the deacidification device body and the ash hopper feeders of the deacidification device body are arranged at the lower ends of the gas inlet side and the gas outlet side; the ash hopper feeders of the deacidification device body are connected with the ash conveying device; and the flue gas inlet is formed in the upper part of the gas inlet side, the top of the gas inlet side is also connected with a discharge hole of the humidifier, and the stirrer is arranged at the top of the gas inlet side. The deacidification-dust removal integrated device of the invention has the following beneficial effects: flow field distribution is more uniform and reasonable; land occupation and investment can be reduced; and deacidification efficiency is very high, and operation cost is remarkably reduced.

Description

technical field [0001] The invention relates to a flue gas deacidification and dust removal integrated device based on a dense phase dry tower, which belongs to the field of industrial flue gas deacidification and dust removal treatment. Background technique [0002] Flue gas deacidification using dense phase dry tower has shown more and more obvious advantages. At present, the combination of dense-phase dry tower and bag filter for flue gas deacidification is becoming more and more popular, such as Chinese patent: ZL201020232657.8 "a horizontal dense-phase circulating fluidized dry tower desulfurization device". An example of the combined use of a circulating fluidized chamber, a dense phase chamber, and a bag filter is disclosed, but this technical solution has disadvantages such as large floor area and unreasonable flue gas flow field. Contents of the invention [0003] The purpose of the present invention is to provide an integrated flue gas deacidification and dust r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D46/02B01D46/48B01D46/04B01D53/40B01D53/50B01D46/00
CPCB01D46/023B01D46/48B01D46/04B01D53/40B01D53/50B01D46/0041B01D2258/0283
Inventor 宋存义童震松钱大益苏伟邢奕常冠钦梁宝瑞王华
Owner UNIV OF SCI & TECH BEIJING
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