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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
  • Seawater desulfurization auxiliary system and desulfurization method
  • 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 equipment system and a desulfurization method. The system comprises a dust removal device 1, an air separation device 2, a nitrogen compressor 3, a GLS (Gas-Liquid-Solid Chromatograph) seawater heat exchanger 4, a siphon well 5 and an absorption tower 6, wherein the air separation device 2 is connected with the nitrogen compressor 3, the dust removal device 1 and the GLS seawater heat exchanger 4 respectively; the GLS seawater heat exchanger 4 is connected with the absorption tower 6 and the siphon well 5 respectively. By utilizing the air separation device and the nitrogen compressor, most nitrogen gas is enriched; on one hand, the enriched nitrogen gas can be used for other purposes and comprehensive utilization of seawater is realized; on the other hand, internal pressure of flue gas is reduced and accurate control on flow speed of the flue gas is realized; then by utilizing the GLS seawater heat exchanger, the flue gas exchanges heat with circulation seawater entering a heat exchange device, and the temperature of the flue gas is controlled to be an optimal absorption temperature, so that the desulfurization efficiency is improved, the desulfurization time is shortened, and the electricity consumption in operation is reduced.

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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