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Carbon dioxide gas recovery apparatus

A carbon dioxide and gas recovery technology, applied in gas treatment, inorganic chemistry, through absorption, etc., can solve problems such as changing the temperature range, and achieve the effect of increasing absorption efficiency, small pressure loss, and high surface area

Inactive Publication Date: 2011-06-01
木村 健 +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0031] In addition, the temperature shown in the foregoing reaction formula is shown in a certain temperature range, so that there is a possibility that the temperature range may be changed due to the performance of the absorption device and the performance of the recovery device

Method used

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Embodiment

[0065] Hereinafter, embodiments of the present invention will be specifically described. That is to say, when the vertical cross-section of the carbon dioxide gas absorption chamber 1 is 10m x 10m and the flow velocity of the exhaust gas is 1.17Nm / sec, as the length of the carbon dioxide gas absorption chamber 1 corresponds to the change of the amount of absorbed carbon dioxide gas,

[0066] Amount of processed gas: 420,000Nm 3 / h;

[0067] When the concentration of recovered carbon dioxide gas in this case is 5%, the amount of recovered carbon dioxide gas is 21,000Nm 3 / h,

[0068] The weight of the carbon dioxide gas is 41.6t / h,

[0069] The amount of carbon dioxide gas absorbing solution required in this case is:

[0070] In the case of monoethanolamine, 57.6t / h,

[0071] In the case of potassium carbonate, 130.0t / h,

[0072] When the concentration of recovered carbon dioxide gas is gradually increased to 5%, 10%, 15% and 20%, since all you have to do is to extend the...

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Abstract

In order to improve increase of carbon dioxide gas recovery efficiency and saving costs and then to contribute to global environmental protection, in a carbon dioxide gas absorption chamber of a carbon dioxide gas recovery apparatus whose cross-section is square and in which horizontal gas flow passage is formed by providing an exhaust gas introducing opening in one side and an exhaust gas discharging opening in an opposite side thereof, a simple constitution without a support plate or a re-distributor is formed by using specific filler, in addition, a packed bed with a large surface area and a high efficiency can be formed, a negative effect due to reaction heat is lost by providing heat exchanger devices in this packed bed, absorbing ability of the carbon dioxide gas is increased by circulating the absorbing solution in the divided packed bed a plurality of times in series, corrosion resistance of the device is increased by downsizing the packed bed and the device for distributing carbon dioxide gas absorbing solution, and the concentration of the carbon dioxide gas absorbing solution is increased, so that energy-saving and reducing-costs can be achieved.

Description

technical field [0001] The present invention relates to a CO 2 (Carbon dioxide) gas recovery equipment, which is used to recover carbon dioxide gas discharged from power plants, cement plants, steel factories, petrochemical industries, etc., and which aims to contribute to global environmental protection by increasing the recovery rate of carbon dioxide gas and reducing its cost contribute. Background technique [0002] To date, previous exhaust gas treatment devices have been relatively small in size. Subsequently, due to the use of flue gas desulfurization systems, such installations have gradually become larger, and more recently, CO 2 Recycling equipment. To recover CO 2 , Kansai Electric Power Co. Ltd or Mitsubishi Heavy Industries Group have adopted chemical absorption technology using KS-1 absorbent in practical applications. [0003] That is: after the exhaust gas is cooled to the optimum temperature suitable for absorption, the gas is introduced into the absorp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/78B01D53/62C01B31/20C01B32/50
CPCB01D2251/306B01D53/185B01D53/346B01D53/1475Y02C10/06B01D2252/10B01D2258/0233B01D2251/606B01D53/343B01D2252/20484B01D2258/0283B01D2258/025Y02C20/40
Inventor 木村健
Owner 木村 健
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