Desulphurization device and method capable of realizing cyclic utilization of ammonia water

A desulfurization device, ammonia water technology, applied in separation methods, chemical instruments and methods, gas treatment, etc., can solve the problems of unmarketable sales price of ammonium sulfate, high price of ammonia water, etc., and achieve the effect of low price, not easy to scale, and convenient purchase

Inactive Publication Date: 2016-12-07
JIANGSU SUNPOWER TECH
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Problems solved by technology

However, the current ammonia desulfurization process absorbent ammonia has a high price, and the by-product ammonium sulfate has no market or low sales price, which has become an important restrictive factor for the application of ammonia desulfurization

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  • Desulphurization device and method capable of realizing cyclic utilization of ammonia water
  • Desulphurization device and method capable of realizing cyclic utilization of ammonia water

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Embodiment Construction

[0029] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0030] The structure of a kind of embodiment of the desulfurization device of ammonia water recycling of the present invention is as follows figure 1As shown, it includes a desulfurization tower 2 with a flue gas inlet 8 and a chimney 1. The desulfurization tower (2) is provided with a demister layer 3, a washing layer 4, an absorption spray layer 5, and a gas distributor in sequence from top to bottom. 7. The desulfurization tower is located between the absorption spray layer 5 and the gas distributor 7 and is provided with a concentrated spray layer 8, and the desulfurization tower 2 is provided with a water tank leading from the bottom of the tower to the concentrated spray layer 8. Concentrate circulation pipeline, the concentrate circulation pump 9 is arranged on the concentrate circulation pipeline. The desulfurization tower 2 is also ...

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Abstract

The invention discloses a desulphurization device and method capable of realizing cyclic utilization of ammonia water. The desulphurization device comprises a desulphurization tower with a flue gas inlet and a chimney. A defogging layer, a washing layer, an absorbing and spraying layer and a gas distributor are arranged inside the desulphurization tower in sequence from top to bottom. An ammonia gas regeneration system is arranged outside the desulphurization tower, and comprises a regeneration tank connected with the bottom of the desulphurization tower. An oxidation tank is connected with the bottom of the regeneration tank through a thick slurry pipeline. A vortex concentrator is connected with the bottom of the oxidation tank. A digestion tank is connected with the upper part of the vortex concentrator through an overflow pipe, and is led into the regeneration tank. A drying machine is connected with the bottom of the vortex concentrator. A liquid filtering hole in the bottom of the drying machine is connected with the regeneration tank. A sedimentation tank is connected onto the regeneration tank, and is connected with a recirculating tank through a pipeline. The recirculating tank is led into the absorbing and spraying layer. The desulphurization device and method can realize cyclic utilization of ammonia water as an absorbent, so that the operation cost of ammonia desulfurization is reduced greatly.

Description

technical field [0001] The invention belongs to the field of waste gas treatment and is used for treating acid gases such as sulfur dioxide in boiler flue gas, and in particular relates to a desulfurization device and method for recycling ammonia water. Background technique [0002] The atmosphere is the most basic environmental element for human beings to survive. However, with the increase of human production activities and social activities, especially the emission of a large amount of fuel combustion, industrial waste gas and vehicle exhaust, the quality of the atmospheric environment is deteriorating day by day. Among all kinds of air pollutants, the most important one is the pollution caused by coal burning. The pollution control of sulfur dioxide and nitrogen oxides produced by coal burning is currently the most urgent task in the field of air pollution control in my country. At present, there are three ways to control sulfur dioxide: desulfurization before combustio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/78B01D53/50B01D53/96
CPCB01D53/502B01D53/504B01D53/96B01D2251/2062B01D2258/0283
Inventor 郭宏新李奇刘丰张贤福徐威高原原
Owner JIANGSU SUNPOWER TECH
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