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Flue gas pollutant purifying tower

A purification tower and pollutant technology, applied in the field of flue gas purification, can solve the problem that the adsorbent cannot be fully utilized, and achieve the effects of high utilization rate of the purifying agent, smooth operation of the flue gas, and improved removal efficiency.

Inactive Publication Date: 2018-02-06
INST OF PROCESS ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, the adsorbent cannot be fully utilized

Method used

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  • Flue gas pollutant purifying tower
  • Flue gas pollutant purifying tower
  • Flue gas pollutant purifying tower

Examples

Experimental program
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Effect test

Embodiment 1

[0051] This embodiment provides a flue gas pollutant purification tower, its structure is as follows: figure 1 , figure 2 and image 3 As shown, the purification tower body is a cuboid, adopting a fixed bed structure; the purifying agent area is also a cuboid structure, with a thickness of 2m; the middle height of the purifying agent area is twice the thickness of the purifying agent layer, and the top and The height of the bottom is the same; the opening ratio of the top and the bottom is 55%, and the opening ratio of the middle part is 8%; the aperture on the perforated plate 8 is 4mm; The included angle is 35 °; the length of the wing plate 10 is 10 cm, and the included angle with the vertical downward direction is 15 °; the cleaning agent 5 in the interlayer of the porous plate 8 is a cylindrical activated coke / carbon with a diameter of 5 mm.

[0052] Use the above flue gas pollutant purification tower to remove dioxin and mercury in the flue gas, with a flue gas volum...

Embodiment 2

[0055] This embodiment provides a flue gas pollutant purification tower, its structure is as follows: figure 1 , figure 2 and image 3 As shown, the body of the purification tower is a cuboid with a fixed bed structure; the purifying agent area is also a cuboid structure with a thickness of 1.5m; the middle height of the purifying agent area is 3 times the thickness of the purifying agent layer, and the top Identical with the height of the bottom; The opening ratio of the top is 45%, the opening ratio of the bottom is 50%, and the opening ratio of the middle part is 10%; The aperture on the perforated plate 8 is 3mm; The angle in the vertical upward direction is 40 °; the length of the wing plate 10 is 8 cm, and the angle with the vertical downward direction is 18 °; the cleaning agent 5 in the interlayer of the porous plate 8 is a cylindrical blue carbon with a diameter of 5 mm.

[0056] Use the above flue gas pollutant purification tower to remove dioxin and mercury in t...

Embodiment 3

[0059] This embodiment provides a flue gas pollutant purification tower, its structure is as follows: figure 1 , figure 2 and image 3 As shown, the body of the purification tower is a cuboid with a fixed bed structure; the purifying agent area is also a cuboid structure with a thickness of 2.5m; the middle height of the purifying agent area is 1.5 times the thickness of the purifying agent layer, and the top The same height as the bottom; the opening rate of the top is 55%, the opening rate of the bottom is 45%, and the opening rate of the middle part is 15%; the aperture on the perforated plate 8 is 5mm; the length of the louver wing plate 9 is 12cm, the angle with the vertical upward direction is 45 °; the length of the wing plate 10 is 5 cm, and the angle with the vertical downward direction is 25 °; the cleaning agent 5 in the perforated plate 8 interlayer is a cylindrical active material with a diameter of 7 mm. Coke / Charcoal.

[0060] Use the above flue gas polluta...

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Abstract

The invention relates to a flue gas pollutant purifying tower. The flue gas pollutant purifying tower comprises a purifying tower body and members in the purifying tower body, wherein the purifying tower body is provided with a cavity which penetrates through the whole purifying tower body; the cavity is used as an air ventilating area, the air ventilating area comprises a gas inlet flue, a gas chamber and a gas outlet flue, and the gas chamber is separated into a gas inlet chamber and a gas outlet chamber by a separating plate; a purifying agent area is arranged in the purifying tower body, is arranged around the air chamber, and is used for separating the purifying tower body into the air ventilating area, the purifying agent area and a flue area from interior to exterior; the purifyingagent area comprises porous plates and a purifying agent, and the purifying agent is positioned in an interlayer formed by the porous plates; a louver wing plate is arranged at the outer side of eachporous plate at one side, in contact with the gas inlet chamber, of the purifying agent in an incline-up way; a wing plate is arranged at the inner side of the interlayer formed by the porous plates in an incline-down way. The flue gas pollutant purifying tower has the advantages that by improving the structure of the purifying tower, the structure is simple, the land occupation area is small, theflue gas is uniformly dispersed in the tower, the flowing drag is small, the contact area between the purifying agent and the flue gas is large, the utilization rate is high, the removal efficiency is obviously improved, and the considerable economic benefit is realized.

Description

technical field [0001] The invention relates to the technical field of flue gas purification, in particular to a flue gas pollutant purification tower, which can be used to purify dioxin and other pollutants in the flue gas. Background technique [0002] At present, the flue gas produced in the process of non-ferrous metal smelting and garbage incineration contains dioxin-like pollutants. As a type of highly toxic substance, dioxin is 130 times as toxic as cyanide and 900 times as toxic as arsenic. Dioxin is soluble in fat, difficult to degrade, and has a long half-life. Once it enters the body, it is difficult to excrete. It is a persistent organic pollutant. Existing methods for treating dioxins mainly include the following methods: blowing absorbent into the flue, decomposition of dioxin catalysts, and activated coke / carbon adsorption. [0003] CN 201596445U discloses a device for removing dioxins in waste incineration flue gas. It mainly sprays powdered activated carbon...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/02B01D53/04B01D53/08
CPCB01D53/02B01D53/0407B01D53/0423B01D53/0446B01D53/08B01D2253/102B01D2257/2064B01D2258/0283
Inventor 朱廷钰李玉然王斌张帅
Owner INST OF PROCESS ENG CHINESE ACAD OF SCI
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