High-efficiency gas purification tower and gas treating system

A gas treatment and gas purification technology, applied in the fields of desulfurization, dust removal and fog removal, can solve the problems of low flue gas purification efficiency, achieve the effects of avoiding secondary entrainment, reducing costs and improving purification efficiency

Active Publication Date: 2017-07-28
BEIJING CHINA SCI PURIFICATION ECO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Therefore, the technical problem to be solved by the present invention is to overcome the low efficiency of flue gas purification in the prior art

Method used

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  • High-efficiency gas purification tower and gas treating system
  • High-efficiency gas purification tower and gas treating system
  • High-efficiency gas purification tower and gas treating system

Examples

Experimental program
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Effect test

Embodiment 1

[0047] This embodiment provides a gas processing tower, such as Figure 1 to Figure 8 shown, including:

[0048] tower body 1;

[0049] Packing layer 3, straddling the tower body 1, at least one layer is arranged, and its side walls are connected with the surrounding inner walls of the tower body 1;

[0050] The pipeline spraying system 4 is arranged inside the tower body 1, and it is equipped with a spray head 42 arranged towards the packing layer 3;

[0051] It is characterized in that the packing layer 3 includes a wire mesh layer and a number of bulk fillers packed inside the wire mesh layer, preferably spherical packing.

[0052] In the above-mentioned gas treatment tower, a packing layer 3 is arranged in the tower body 1. When the flue gas passes through the packing layer 3, it can fully contact with the spherical packing, effectively derotation and dispersing the swirling flue gas, and the mist entrained by the flue gas and The dust is effectively and quickly absorbe...

Embodiment 2

[0079] In this embodiment, the original baffle defogging system of the upper half of the non-amplified section flue gas ammonia method wet desulfurization tower with a diameter of 8 meters of a 3×75 ton / hour thermoelectric coal-fired boiler has been modified.

[0080] Among them, the numbers of different experimental conditions of the flue gas purification tower are 1#, 2#, 3#, 4#, 5#, 6#. Such as Figure 7 As shown, the packing layer of 1# has only one layer and is set at the cylindrical tower body. The inner diameter of the tower is 8 meters, and the diameter of the spherical packing is Φ50mm. To prevent clogging, 316L stainless steel wire mesh porous hollow body spherical packing is used. Such as Figure 8 As shown, 2#, 3#, 4#, 5#, and 6# have two layers of packing layers respectively, the inner diameter of the tower is 8 meters, the lower layer is a spherical packing layer filled with a height of 800mm, and the upper layer is a baffle with a height of 200mm7 , A spherica...

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Abstract

The invention provides a gas treating tower and a gas treating system. The gas treating tower is used for gas purification or separation and comprises a tower body, a packing layer and a pipeline spray-washing system, wherein at least one packing layer is arranged in and across the tower body, and the sidewalls of the packing layer are connected with the peripheral inner wall of the tower body; the pipeline spray-washing system is arranged in the tower body and used for flushing the packing layer; and the packing layer comprises a silk screen layer and a plurality of spherical filling materials arranged in the silk screen layer. According to the gas treating tower, since the packing layer is arranged in the tower body, when flue gas passes through the packing layer, the packing layer can realize better gas-liquid distribution and sufficient contact and effectively eliminates rotation of rotationally-flowing gas and disperses the rotationally-flowing gas; entrainment and flue dust entrained in gas are effectively and rapidly adsorbed and intercepted by the spherical filling materials and a liquid film formed by the filling materials; so the purpose of cleaning flue gas is achieved, and flue gas purifying efficiency is improved. Meanwhile, the pipeline spray-washing system is employed for flushing flue gas, so flue gas is further purified.

Description

technical field [0001] The invention relates to the technical field of desulfurization, dust removal and fog removal, in particular to a gas processing tower and a gas processing system. Background technique [0002] Flue gas is a mixture of gas and soot, the gas includes water vapor, SO 2 , CO, CO 2 , NO X etc., the soot includes fuel ash, coal particles, and pyrolysis products. Flue gas is produced in thermal power, chemical industry, smelting and other fields, which is one of the main causes of air pollution. Therefore, it is very necessary to purify the flue gas. [0003] Taking boiler tail gas as an example, the common methods of dust removal for boiler tail gas include cloth bag dust removal, electric dust removal and electric bag composite dust removal. After dust removal, the flue gas passes through a desulfurization tower for wet desulfurization. The flue gas mist entrainment after wet desulfurization is serious. Even if the particulate matter in the flue gas t...

Claims

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Application Information

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IPC IPC(8): B01D50/00
CPCB01D2258/0283B01D2247/101B01D2247/103B01D50/60
Inventor 尹应武尹政清赵琰琰潘小勇黄仁兵韩田田李大川程东海陈红樱任毅华张海双胡利贤
Owner BEIJING CHINA SCI PURIFICATION ECO TECH
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