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Vibration-magnetic coupling fluidized bed flue gas desulfurization reactor

A fluidized bed and reactor technology is applied in the field of fluidized bed flue gas desulfurization reactors to achieve the effects of improving desulfurization efficiency, long time and reducing fluidization speed

Inactive Publication Date: 2012-02-08
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a vibration-magnetic coupling fluidized bed flue gas desulfurization reactor, which can solve the problems encountered by existing magnetic fluidized bed flue gas desulfurization devices. When the bed material particles are fine, the desulfurization reaction speed is slow, the time is short, and the efficiency is low, and the inner wall of the reactor is easy to foul and affect the continuation of the reaction.

Method used

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specific Embodiment approach 1

[0011] Specific implementation mode one: combine Figure 1 ~ Figure 3 To illustrate this embodiment, the flue gas desulfurization reactor of this embodiment includes a fluidized bed, an atomizing nozzle 1, a magnetic spiral coil 4, and an air box 8; plate 6, an upper fixed frame plate 11, a lower fixed frame plate 7, and a magnetic bed material 5; the annular upper cover 2 is fixedly connected to the upper end surface of the cylinder body 3, and the central hole of the annular upper cover 2 is a smoke outlet 12, The upper fixed frame plate 11 and the lower fixed frame plate 7 are stacked together and fixed between the lower end surface of the cylinder body 3 and the upper end surface of the bellows 8, the cylinder body 3 is equipped with a magnetic bed material 5, and the air distribution The plate 6 is fixed between the upper fixed frame plate 11 and the lower fixed frame plate 7, the flue gas inlet 13 is provided under the bellows 8, and the atomizing nozzle 1 is hoisted in ...

specific Embodiment approach 2

[0012] Specific implementation mode two: combination Figure 1 ~ Figure 3 To illustrate this embodiment, the cylinder body 3, the annular upper cover 2, the air distribution plate 6, the upper fixed frame plate 11, and the lower fixed frame plate 7 of this embodiment are all made of non-magnetic materials, which is beneficial to the smooth reaction of desulfurization. Other components and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0013] Specific implementation mode three: combination figure 1 , figure 2 The present embodiment is described. The flue gas inlet 13 of the present embodiment is arranged on the bottom plate of the wind box 8 or on the side wall of the wind box 8 , as required. Other compositions and connections are the same as those in Embodiment 1.

[0014] The working principle is: sulfur-containing flue gas enters the reactor filled with magnetic powder through the air distribution plate 6, and the desulfurizer enters the reactor from above the fluidized bed through the atomizing nozzle. The desulfurizing agent droplets react chemically with SOx in the rising flue gas, and the unreacted desulfurizing agent falls and covers the magnetic particles, forming a desulfurizing agent reaction layer to continue to react with SOx. When the gas velocity or amplitude is large, the magnetic particles and desulfurizer are carried out of the reactor by the flue gas, and enter the separation device 1...

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Abstract

The utility model relates to a vibration-magnetic coupling fluidized bed flue gas desulfurization reactor, which relates to a fluidized bed flue gas desulfurization reactor. For the magnetic fluidized bed flue gas desulfurization device, the desulfurization reaction speed is slow, the time is short, and the efficiency is low. The annular upper cover (2) is fixedly connected to the upper end surface of the cylinder (3), the central hole of the annular upper cover (2) is the flue gas outlet (12), and the upper and lower fixed frame plates are fixed on the simplified body (3) and the bellows (8), the cylinder body (3) is equipped with a magnetic bed material (5), the air distribution plate (6) is fixed between the upper and lower fixed frame plates, and the atomizing nozzle (1) is hoisted on the cylinder body (3 ), the cylinder body (3) is covered with a magnetic helical coil (4), and the two ends of three to four exciting springs (9) are respectively fixed with the base (15) and the ground, and the base (15) is fixed with the lower The frame plate (7) is fixedly connected, and three to four bases (15) are all connected with the excitation motor (14). The invention has the advantages of fast desulfurization reaction speed, long time and high efficiency, and the inner wall of the reactor is not easily scaled.

Description

technical field [0001] The invention relates to a fluidized bed flue gas desulfurization reactor, which belongs to the technical field of environmental protection equipment. Background technique [0002] Coal dominates China's energy resources. The coal-based energy structure will be difficult to change for a long time to come. The relatively backward coal production and consumption methods have increased the pressure on environmental protection. Coal consumption is the main cause of soot-type air pollution and the main source of greenhouse gas emissions. Coal-fired flue gas desulfurization is a basic technical countermeasure to protect the atmospheric environment and control the harm of acid rain caused by sulfur dioxide. In particular, domestic thermal power plants, whose coal consumption accounts for more than 42% of the national coal output, are in urgent need of mature flue gas desulfurization technology with independent intellectual property rights and suitable for...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/83B01D53/50
Inventor 李响王淑彦郝振华刘国栋陆慧林刘文铁何玉荣
Owner HARBIN INST OF TECH
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