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A composite system of ship flue gas purification and seawater desalination

A flue gas purification and composite system technology, applied in the field of flue gas purification, can solve the problems of high cost of seawater desalination, large space occupied by desulfurization equipment, etc., and achieve the effects of increasing effective load capacity, reducing fresh water reserves and high desulfurization process efficiency.

Active Publication Date: 2022-06-28
JIMEI UNIV
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AI Technical Summary

Problems solved by technology

The purpose of the present invention is to solve the problems that the ship's desulfurization equipment occupies a large space and the cost of seawater desalination is high

Method used

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  • A composite system of ship flue gas purification and seawater desalination
  • A composite system of ship flue gas purification and seawater desalination
  • A composite system of ship flue gas purification and seawater desalination

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Embodiment Construction

[0028] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0029] like figure 1 As shown, this embodiment provides a combined system for ship flue gas purification and seawater desalination, including a desulfurization tower 1 , a heat exchanger 2 , a concentrated seawater storage tank 3 and a fresh water storage tank 4 .

[0030] like figure 2 As shown, the heat exchanger 2 is provided with a flue gas channel, and the two ends of the flue gas channel are respectively the primary gas inlet port 21 and the primary gas exhaust port 22...

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Abstract

The invention provides a ship flue gas purification and seawater desalination composite system, which relates to the field of flue gas purification. The composite system of the present invention includes a desulfurization tower, a heat exchanger, a concentrated seawater storage tank and a fresh water storage tank. A seawater desalination device is installed on the heat exchanger. The seawater desalination device has a heat exchange wall, a condensation wall, a seawater spray pipeline, a freshwater collection tank and a concentrated seawater collection tank. The flue gas enters the heat exchanger and the desulfurization tower in turn. The seawater spraying pipeline sprays seawater on the heat exchange wall, absorbs the heat of the high-temperature flue gas transferred from the other side of the heat exchange wall, evaporates and condenses on the condensation wall and falls into the fresh water collection tank, and the unevaporated seawater falls into the concentrated seawater collection tank. The fresh water collection tank is connected to the fresh water storage tank. The concentrated seawater collection tank is connected to the concentrated seawater storage tank. Realize seawater desalination and obtain fresh water. The desulfurization tower is equipped with a flue gas purification device, and the concentrated seawater storage tank is connected to the flue gas purification device for spraying concentrated seawater to desulfurize the flue gas. The flue gas is discharged into the atmosphere after desulfurization, washing and demisting.

Description

technical field [0001] The invention relates to the field of flue gas purification, in particular to a composite system of ship flue gas purification and seawater desalination. Background technique [0002] In today's increasingly busy world of cargo transportation, the market share occupied by ocean shipping is also increasing year by year, and the pollutant emissions from ship power plants have caused a great burden on the marine and atmospheric environment. For the sake of economic interests, most ocean-going ships use heavy fuel oil with a sulfur content of 4.5%. A purification efficiency of 97.78% is achieved. Facing the increasingly severe restrictions of the MARPOL73 / 78 Convention, the domestic research on the purification and treatment of ship exhaust is still in its infancy, most of which are based on the existing industrial flue gas desulfurization and denitrification technology. High energy consumption and large footprint. [0003] In recent years, the relative...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/06B01D53/14B01D50/60B01D53/26C02F103/08
CPCC02F1/06B01D53/1481B01D53/265C02F2103/08B01D2258/01B01D2252/1035B01D50/40Y02A20/124
Inventor 何宏舟郑剑铭张军侯懿宁
Owner JIMEI UNIV
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