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A kind of low-temperature sulfur and nitrate removal device and treatment method of ship tail gas

A ship tail gas removal technology, applied in gas treatment, separation methods, fertilization devices, etc., can solve the problems of incomplete treatment of harmful substances, achieve high activity, reduce environmental pollution, and high desulfurization and denitrification rates

Active Publication Date: 2021-04-27
JIANGSU UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] Purpose of the invention: The purpose of the invention is to provide a low-temperature sulfur and nitrate removal device and treatment method for ship tail gas, which solves the problem of SO 2 with NO X Incomplete disposal of hazardous substances and other issues

Method used

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  • A kind of low-temperature sulfur and nitrate removal device and treatment method of ship tail gas
  • A kind of low-temperature sulfur and nitrate removal device and treatment method of ship tail gas
  • A kind of low-temperature sulfur and nitrate removal device and treatment method of ship tail gas

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with accompanying drawing and embodiment:

[0029] like Figure 1 to Figure 4 As shown, a low-temperature sulfur and nitric acid removal device for ship tail gas of the present invention comprises a rotary reactor 1, an ammonia water spray tower 2 and an ammonia water storage tank 3, wherein the rotary reactor 1 is provided with a cylindrical shell 11, a top The cover 12 and the bottom cover 13, the housing 11 is provided with a honeycomb column 14, the honeycomb column 14 forms a closed space with the top cover 12 and the bottom cover 13, and the rotary reactor 1 is provided with two partitions 15, The separator 15 divides the sealed space between the honeycomb column 14 and the top cover 12 and the bottom cover 13 into a first space 16, a second space 17 and a third space 18, wherein the first space 16 functions to adsorb SO 2 , the role of the second space 17 is to regenerate the adsorption materia...

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Abstract

The invention discloses a low-temperature sulfur and nitrate removal device for ship tail gas and a treatment method, wherein the device includes a rotary reactor, an ammonia water spray tower and an ammonia water storage tank, and the rotary reactor is provided with a cylindrical shell and a top cover and the bottom cover, the housing is provided with a honeycomb column, and the rotary reactor is provided with a partition, and the partition divides the sealed space between the honeycomb column and the top cover and bottom cover into the first space and the second space. and the third space. In this method, the collected ship exhaust gas is introduced into the first space, the second space and the third space through the pipeline, and after a sufficient reaction, it is discharged through the exhaust pipe through the induced draft fan. The invention can efficiently treat ship tail gas, simplifies the treatment process, improves the treatment efficiency, saves the space occupied by the device, reduces the energy consumption, and produces ammonia fertilizer as an additional product.

Description

technical field [0001] The invention relates to a tail gas treatment device, in particular to a ship tail gas low-temperature sulfur and nitric acid removal device and a treatment method. Background technique [0002] In recent years, with the continuous development of international and domestic shipping, SO in marine diesel engine exhaust 2 with NO X Increasing impacts on the environment and threats to human health. In particular, the diesel consumption of domestic ships accounts for about 15% of the diesel used in non-road transportation, and emits a large amount of SO 2 with NO X , is an important environmental protection object. According to the 2014 IMO statistics of the International Maritime Organization, the annual emission of SO from ship exhaust 2 with NO X They account for about 13% and 15% of total global emissions, respectively. In order to effectively control SO 2 Emissions, the 70th meeting of the Marine Environmental Protection Committee under the Int...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/94B01D53/56B01D53/50C01C1/24C05C3/00
CPCB01D53/94B01D53/9418B01D53/9431B01D2258/012C01C1/24C05C3/00
Inventor 刘少俊董政文高蒙何佳豪崔梦祺宋印东冯国增
Owner JIANGSU UNIV OF SCI & TECH
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