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A Visual Experimental Device for Carbon Dioxide Desublimation

A technology of carbon dioxide and experimental equipment, applied in sublimation, chemical instruments and methods, teaching models, etc., can solve problems such as the growth law of carbon dioxide ice layer has not been developed

Active Publication Date: 2021-04-13
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] For the research on the capture of carbon dioxide by low-temperature desublimation method, it is very important to obtain the growth law of carbon dioxide ice layer under different low-temperature side temperature conditions, but there is no experimental device that can obtain the growth law of carbon dioxide ice layer

Method used

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  • A Visual Experimental Device for Carbon Dioxide Desublimation
  • A Visual Experimental Device for Carbon Dioxide Desublimation

Examples

Experimental program
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Embodiment

[0031] see figure 1 , the visual experimental device for carbon dioxide desublimation in this embodiment includes a vacuum chamber 1 , a constant temperature desublimation unit, a measurement component and a controller 13 .

[0032] The constant temperature desublimation unit is set in the vacuum chamber 1, including the desublimation chamber 2, the temperature control component 5 and the cold source, and the cold source in this embodiment is the liquid nitrogen pool 6. The upper surface of the desublimation chamber 2 is provided with a first transparent window 9, and the two sides of the desublimation chamber 2 are respectively provided with an air inlet pipeline 3 and an air outlet pipeline 4, which respectively pass through the side wall of the vacuum chamber 1 and communicate with the desublimation chamber 2 The inlet and outlet of the air inlet and outlet, the pre-cooled carbon dioxide gas is passed into the desublimation chamber 2 for desublimation, and the carbon dioxid...

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Abstract

The invention discloses a visual experimental device for carbon dioxide desublimation, which belongs to the design field of gas desublimation experimental devices. The air inlet and the air outlet; the cold source, which provides cold energy for the desublimation of carbon dioxide; the temperature control component, including the heat conduction element that transfers the cold energy in the cold source to the desublimation chamber, and at least one heat conduction element arranged in turn The heating layer; the measuring component is used to measure the dry ice thickness of the desublimation chamber; the controller is used to adjust the temperature of the low-temperature wall of the desublimation chamber through the controlled temperature control component. The carbon dioxide gas desublimates on the wall of the desublimation chamber, and the temperature control component controls the wall temperature of the desublimation chamber, so that the carbon dioxide desublimes on the wall at this temperature, and the measurement component measures the thickness of the dry ice to obtain the carbon dioxide at different temperatures Sublimation law.

Description

technical field [0001] The invention relates to the design field of gas desublimation experimental devices, in particular to a visual experimental device for carbon dioxide desublimation. Background technique [0002] Under the trend of global warming, carbon capture and storage technology is considered to be one of the important and effective means to reduce greenhouse gas emissions. According to different methods of carbon capture, carbon capture technology can be divided into solution absorption method, pressure swing adsorption method, membrane separation method, low temperature separation method and so on. Among them, the cryogenic separation method is to separate carbon dioxide by direct cooling and physical phase change, which can be gas-liquid separation, gas-solid separation or a combination of the two. Compared with the more mature absorption and adsorption methods, low-temperature desublimation carbon capture technology has the advantages of no regeneration and c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B23/24B01D7/02
Inventor 厉劲风邱利民王雅宁王建熊
Owner ZHEJIANG UNIV
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