Seawater desulfurization device for tail gas of marine diesel engine

A technology for marine diesel engines and desulfurization devices, which is applied in the direction of combined devices, dispersed particle separation, chemical instruments and methods, etc., can solve problems such as complex operations, and achieve the effect of improving desulfurization efficiency and reducing height

Active Publication Date: 2014-09-24
SHANGHAI MARITIME UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, seawater needs to use additional equipment or alkaline additives during the upgrading process, and the operation is relatively complicated

Method used

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  • Seawater desulfurization device for tail gas of marine diesel engine
  • Seawater desulfurization device for tail gas of marine diesel engine

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Embodiment Construction

[0020] The following combination figure 1 and figure 2 , a preferred embodiment of the present invention is described in detail.

[0021] Such as figure 1 Shown is a structural schematic diagram of the marine diesel engine exhaust seawater desulfurization device provided by the present invention. The seawater desulfurization device comprises a casing 18, an air inlet flange 1 installed at the bottom of the casing 18, a tail liquid collection tank 2 installed inside the casing 18 and above the air inlet flange 1, installed inside the casing 18 and positioned at the tail liquid collection The tail liquid separator 6 above the tank 2, the air flow uniformizer 8 installed inside the housing 18 and above the tail liquid separator 6, the turbulent ball layer 10 installed inside the housing 18 and above the air flow uniform distributor 8, installed The parallel independent straight-pipe cross-flow sprinkler installed inside the shell 18 and above the turbulent ball layer 10, the ...

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Abstract

The invention relates to a seawater desulfurization device for tail gas of a marine diesel engine. The seawater desulfurization device comprises a shell, an air flow inlet flange, a tail liquid collecting tank, a tail liquid separator, a uniform air flow distributor, a turbulent flow ball layer, a parallel independent straight-pipe cross flow spraying device, a dehumidification device and an air flow outlet flange, wherein the air flow inlet flange is mounted at the bottom of the shell; the tail liquid collecting tank is mounted inside the shell and is located above the air flow inlet flange; the tail liquid separator is mounted inside the shell and is located above the tail liquid collecting tank; the uniform air flow distributor is mounted inside the shell and is located above the tail liquid separator; the turbulent flow ball layer is mounted inside the shell and is located above the uniform air flow distributor; the parallel independent straight-pipe cross flow spraying device is mounted inside the shell and is located above the turbulent flow ball layer; the dehumidification device is mounted in the shell and is located above the parallel independent straight-pipe cross flow spraying device; and the air flow outlet flange is mounted above the dehumidification device and is located at the top of the shell. According to the seawater desulfurization device, independent straight-pipe-type optimization is carried out on a spraying manner, the height, pressure loss and gas-liquid ratio of the desulfurization device are reduced on the premise of not increasing equipment and operation, and the desulfurization efficiency is effectively improved.

Description

technical field [0001] The invention relates to a seawater desulfurization method and device for marine diesel engine tail gas, in particular to a parallel independent straight pipe cross-flow spray-turbulence ball marine diesel engine tail gas seawater desulfurization method and device to realize sulfur oxides in marine diesel engine tail gas removal. Background technique [0002] Marine fuel oil contains 0.1% to 7% sulfur. Due to the low sulfur content, the concentration of sulfur oxides in diesel engine flue gas is very low; but usually the ship has a long voyage distance and consumes a large amount of fuel oil, so the amount of sulfur oxides emitted by ships The total amount is huge. In order to prevent the air pollution caused by the emission of sulfur oxides caused by the operation of ships, the International Maritime Organization (IMO) has formulated Annex VI of the MARPOL Convention (Rules for the Prevention of Air Pollution Caused by Ships), which stipulates that s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/18B01D53/78B01D53/50B01D50/00
Inventor 宿鹏浩许乐平马义平夏同友
Owner SHANGHAI MARITIME UNIVERSITY
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