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Carbon dioxide capturing equipment

A technology of carbon dioxide and equipment, applied in the field of carbon dioxide gas treatment, can solve the problems of impurity and by-product blockage, fluctuation of production parameters, low temperature of desorption tower solution, etc., and achieve the effect of avoiding blockage

Inactive Publication Date: 2015-05-27
718TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] 1. Impurities that are easily produced during operation;
[0005] 2. Existing heat exchangers and condensers are usually plate-fin structures, which are easily blocked by impurities and by-products during operation;
[0006] 3. After the lean liquid pump, before entering the desorption tower, the temperature of the solution entering the desorption tower is prone to low temperature caused by fluctuations in production parameters

Method used

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  • Carbon dioxide capturing equipment

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Embodiment 1

[0034] A carbon dioxide capture device, the device mainly includes an absorption tower 1, a fan 8, a condenser A 9, a desorption tower 15, a heater 17, a heating element 19, a lean-rich liquid heat exchanger 21, a lean liquid pump 23, a rich liquid Liquid pump 25 and filter 27.

[0035] Among them, the absorption tower 1 is a cylindrical packed tower, and the packing is packed in two stages, and the ratio of height to diameter is 10:1. The material of the absorption tower 1 can be carbon steel; the flue gas enters from the lower half of the tower to form countercurrent absorption; the volume ratio of the gas phase and the liquid phase in the absorption tower 1 is the gas-liquid ratio, and the gas-liquid ratio is 1400-1500. The solution after the carbon dioxide absorbent absorbs carbon dioxide in the absorption tower 1 is called rich liquid.

[0036] An absorption tower 1 is equipped with a fan 8, and the wind pressure of the fan 8 can be 10000Pa.

[0037] The working tempera...

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Abstract

The invention relates to carbon dioxide capturing equipment and belongs to the field of carbon dioxide gas treatment. According to the equipment, a fan is communicated with an absorption tower by virtue of a pipeline, the bottom of the adsorption tower is sequentially communicated with a liquid rich pump, a rich and lean liquid heat exchanger, a heater and a desorber top by virtue of pipelines, and the bottom of the desorber is sequentially communicated with the rich and lean liquid heat exchanger, a liquid lean pump, a condenser A and the top of the adsorption tower by virtue of pipelines; a filter is arranged on a pipeline which is used for delivering rich and lean liquids; a heating element is connected between the rich and lean liquid heat exchanger and the bottom of the desorber; recovery devices are respectively arranged at the top ends of the adsorption tower and the desorber. In the operating process of the equipment, impurities can be removed, and the heat exchanger is hardly blocked; the temperature of the solution which is preheated and enters into the desorber is appropriate.

Description

technical field [0001] The invention relates to a carbon dioxide capture device and belongs to the technical field of carbon dioxide gas treatment. Background technique [0002] Carbon dioxide capture equipment has been specifically applied in industry. Among them, the existing carbon dioxide capture equipment is mainly composed of rich liquid pump, lean liquid pump, absorption tower, desorption tower and heat exchanger. One side of the rich liquid pump is connected with The bottom of the absorption tower is connected, and the other side is connected to the top of the desorption tower through a heat exchanger. One side of the lean liquid pump is connected to the bottom of the desorption tower, and the other side is connected to the top of the absorption tower through a heat exchanger. The heat exchanger is located at Between the absorption tower and the desorption tower, there is a reboiler in the desorption tower. [0003] However, existing carbon dioxide capture devices h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/78B01D53/62B01D53/96
CPCY02A50/20Y02C20/40
Inventor 郭强魏全敏李勇焦桂萍邓辉庞峰杨晓冬
Owner 718TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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