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Marine carbon dioxide washing tower and spray washing absorption system and method

A carbon dioxide, absorption system technology, applied in chemical instruments and methods, separation methods, gas treatment and other directions, can solve problems such as blockage and low absorption efficiency, achieve decarbonization efficiency, reduce resistance, improve absorption effect, and improve gas-liquid contact reaction. Effects of Area and Probability

Active Publication Date: 2021-12-03
DALIAN MARITIME UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a high-efficiency and low-resistance scrubber for scrubbing and absorbing carbon dioxide in ship exhaust gas and a spray scrubbing and absorption method, aiming to solve the problem of blockage caused by low absorption efficiency and solids in the absorption system

Method used

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  • Marine carbon dioxide washing tower and spray washing absorption system and method
  • Marine carbon dioxide washing tower and spray washing absorption system and method
  • Marine carbon dioxide washing tower and spray washing absorption system and method

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Embodiment Construction

[0023] The following non-limiting examples can enable those skilled in the art to understand the present invention more fully, but do not limit the present invention in any way.

[0024] Such as Figure 1-3 As shown, the embodiment of the present invention provides a marine carbon dioxide scrubber, which is applied to a marine carbon dioxide spray scrubbing absorption system.

[0025] Specifically, the marine carbon dioxide scrubber is provided with a swirl coupling area 9, a swirl spray area 10 and a mist eliminator 11 in sequence from the lower flue gas inlet 1 to the top flue gas outlet 12;

[0026] The swirl-sink coupling area 9 is composed of several flow guide units spliced ​​together, and each flow guide unit includes a bottom plate 9.1, a flow guide cylinder 9.2, a central cylinder 9.3, a guide vane 9.4 and a central nozzle 9.5;

[0027] The bottom end of the guide tube 9.2 is connected with the bottom plate 9.1;

[0028] There are several absorbing liquid return hol...

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Abstract

The invention discloses a marine carbon dioxide washing tower, a spray washing absorption system and a spray washing absorption method, which are used for high-efficiency low-resistance capture of carbon dioxide in marine exhaust gas. The system comprises a washing tower, a circulating pool and an absorption liquid regeneration device, the washing tower is internally provided with a swirl-confluence coupling area, a swirl-flow spraying area and a demister from bottom to top, the swirl-confluence coupling area is formed by splicing a plurality of flow guide units, each flow guide unit is provided with a center nozzle used for spraying absorption liquid, the swirl-flow spraying area is distributed in a transverse, longitudinal and circumferential mode, and the spraying direction of the nozzles is the horizontal direction. Waste gas forms a plurality of small spiral rising gas-liquid mixed flows through the swirl-confluence coupling area, and then forms a large and small spiral mixed turbulent flow field through the swirl-flow spraying area, so that the contact reaction time is prolonged, the reaction efficiency is improved, and the resistance loss of the waste gas is reduced. The problems that a ship exhaust gas carbon dioxide washing tower is large in resistance, easy to block and low in efficiency are effectively solved.

Description

technical field [0001] The invention relates to a washing and absorbing device, in particular to a marine carbon dioxide washing tower, a spray washing and absorbing system and a method. Background technique [0002] Climate disasters caused by rising global temperatures are becoming more and more serious, and the control of greenhouse gas emissions has become an important global issue. Carbon dioxide emissions (CO2) from shipping 2 ) volume accounts for about 3% of the total global emissions. If it is not controlled, it is predicted that this proportion will increase to 17% by 2050. Reducing greenhouse gas emissions has become an urgent issue for international shipping. [0003] The world's major shipping countries have formulated their own zero-carbon shipping development routes. In addition to developing zero-carbon fuel-powered ships such as hydrogen and ammonia, capturing carbon dioxide from ship exhaust gas is also considered an effective means of carbon emission redu...

Claims

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Application Information

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IPC IPC(8): B01D53/92B01D53/78B01D53/62
CPCB01D53/92B01D53/78B01D53/62B01D2257/504Y02A50/20Y02C20/40
Inventor 唐晓佳朱益民田悦樊铭鹏王雨菲
Owner DALIAN MARITIME UNIVERSITY
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