Visual carbon dioxide desublimation experiment device
A carbon dioxide, experimental device technology, applied in sublimation, chemical instruments and methods, instruments, etc., can solve the problem of not developing the law of carbon dioxide ice growth, etc.
Active Publication Date: 2018-01-26
ZHEJIANG UNIV
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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
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[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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The invention discloses a visual carbon dioxide desublimation experiment device and belongs to the design field of a gas desublimation experiment device. The device comprises a desublimation device which is internally provided with a desublimation cavity used for realizing desublimation of carbon dioxide into dry ice and a gas inlet and a gas outlet communicating with the desublimation cavity, a cooling source used for providing cooling capacity to desublimation of the carbon dioxide, a temperature control assembly comprising a heat conduction member used for transmitting the cooling capacityof the cooling source to the heat conduction member in the desublimation cavity and at least one heating layer sequentially arranged on the heat conduction member, a measurement assembly used for measuring thickness of the dry ice of the desublimation cavity, and a controller used for adjusting temperature of a low temperature wall surface of the desublimation cavity through the controlled temperature assembly. The device is advantaged in that the carbon dioxide gas generates desublimation at the wall surface of the desublimation cavity, the temperature control assembly is controlled for controlling the wall surface temperature of the desublimation cavity, so the carbon dioxide is made to generate desublimation on the wall surface under the temperature, the measurement assembly is used formeasuring thickness of the dry ice, and desublimation rules of the carbon dioxide under different temperatures are acquired.
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...
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IPC IPC(8): G09B23/24B01D7/02
Inventor 厉劲风邱利民王雅宁王建熊
Owner ZHEJIANG UNIV