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Seawater desulfurization auxiliary system and desulfurization method

A seawater and auxiliary machine technology, applied in separation methods, chemical instruments and methods, dispersed particle filtration, etc., can solve the problems of large seawater consumption, slow desulfurization speed, single use, etc., to improve desulfurization efficiency, improve desulfurization efficiency, strengthen effect of effect

Active Publication Date: 2017-03-29
NORTHEASTERN UNIV LIAONING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to provide a seawater desulfurization auxiliary system and desulfurization method, which can effectively solve the problems in the prior art, especially when the desulfurization process requires a large amount of seawater and has a single purpose, while the desulfurization speed is slow, The problem of inefficiency

Method used

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  • Seawater desulfurization auxiliary system and desulfurization method
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  • Seawater desulfurization auxiliary system and desulfurization method

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Embodiment 1

[0049] Embodiment 1 of the present invention: a seawater desulfurization auxiliary system, such as Figure 1 to Figure 6 As shown, it includes: a dust removal device 1, an air separation device 2, a nitrogen compressor 3, a GLS seawater heat exchanger 4, a siphon well 5 and an absorption tower 6, and the air separation device 2 is connected with the nitrogen compressor 3 and the dust removal device respectively 1 is connected to the GLS seawater heat exchanger 4, and the GLS seawater heat exchanger 4 is connected to the absorption tower 6 and the siphon well 5 respectively. The absorption tower 6 includes: a plurality of ultrasonic generators 7 , and the plurality of ultrasonic generators 7 are evenly arranged on the inner wall of the absorption tower 6 . Described absorption tower 6 also comprises: spray water pipeline 8 and spray device 9, wherein, spray water pipeline 8 is fixed on the inner wall of absorption tower 6; Spray device 9 comprises: water distributor 10 and wate...

Embodiment 2

[0051] Embodiment 2: A seawater desulfurization auxiliary system, including: dust removal device 1, air separation device 2, nitrogen compressor 3, GLS seawater heat exchanger 4, siphon well 5 and absorption tower 6, the air separation device 2 They are respectively connected with the nitrogen compressor 3, the dedusting device 1 and the GLS seawater heat exchanger 4, and the GLS seawater heat exchanger 4 is connected with the absorption tower 6 and the siphon well 5 respectively. The GLS seawater heat exchanger 4 includes: heat exchange tubes 19, fixed end tube sheets 20, baffles 21, hook rings 22, floating head tube sheets 23, floating head end covers 24 and housing 25, wherein the heat exchange tubes One end of 19 is fixed on the fixed end tube plate 20, the other end is fixed on the floating head tube plate 23, the floating head tube plate 23 is arranged between the floating head end cover 24 and the hook ring 22, and the baffle plate 21 and the heat exchange tube 19 are ve...

Embodiment 3

[0053] Embodiment 3: A seawater desulfurization auxiliary system, including: dust removal device 1, air separation device 2, nitrogen compressor 3, GLS seawater heat exchanger 4, siphon well 5 and absorption tower 6, the air separation device 2 They are respectively connected with the nitrogen compressor 3, the dedusting device 1 and the GLS seawater heat exchanger 4, and the GLS seawater heat exchanger 4 is connected with the absorption tower 6 and the siphon well 5 respectively. The GLS seawater heat exchanger 4 includes: heat exchange tubes 19, fixed end tube sheets 20, baffles 21, hook rings 22, floating head tube sheets 23, floating head end covers 24 and housing 25, wherein the heat exchange tubes One end of 19 is fixed on the fixed end tube plate 20, the other end is fixed on the floating head tube plate 23, the floating head tube plate 23 is arranged between the floating head end cover 24 and the hook ring 22, and the baffle plate 21 and the heat exchange tube 19 are ve...

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Abstract

The invention discloses a seawater desulfurization auxiliary system and a desulfurization method. The system includes a dust removal device 1, an air separation device 2, a nitrogen compressor 3, a GLS seawater heat exchanger 4, a siphon well 5 and an absorption tower 6. The air separation device 2 is connected to the nitrogen compressor 3, the dust removal device 1 and the GLS seawater heat exchanger 4 respectively, and the GLS seawater heat exchanger 4 is connected to the absorption tower 6 and the siphon well 5 respectively. The present invention enriches most of the nitrogen by using an air separation device and a nitrogen compressor. On the one hand, the enriched nitrogen can be used for other purposes, realizing comprehensive utilization of seawater; on the other hand, the internal pressure of the flue gas is reduced, Accurate control of the flue gas flow rate is achieved, and then the GLS seawater heat exchanger of the present invention is used to conduct heat exchange between the flue gas and the circulating seawater entering the heat exchange device, and the flue gas temperature is controlled at the optimal absorption temperature, thereby improving It improves desulfurization efficiency, shortens desulfurization time, and saves operating power consumption.

Description

technical field [0001] The invention relates to a seawater desulfurization auxiliary system and a desulfurization method, belonging to the technical field of flue gas desulfurization. Background technique [0002] Seawater flue gas desulfurization technology is a method to remove sulfur dioxide in flue gas by using the alkalinity of seawater. When performing seawater desulfurization treatment, the usual practice is to directly pass flue gas into seawater and use a large amount of seawater for absorption to reduce Sulfur content in the flue gas (such as "a sintering flue gas seawater desulfurization process and desulfurization system" disclosed in the invention patent application with the application number 201010291585.9). However, the existing seawater desulfurization technology still has the following disadvantages: [0003] 1. When performing desulfurization treatment, the amount of seawater used is large, the purpose is single, and the desulfurization speed is slow and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/78B01D53/50B01D46/02B01D50/00
Inventor 王晓强姚庆达蔡文默王一笑范思岑颜成岩
Owner NORTHEASTERN UNIV LIAONING
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