Bubbling type system for gathering carbon dioxide (CO2) by hydrate process

A technology of carbon dioxide and hydrate, which is applied in the direction of carbon compounds, educts, inorganic chemistry, etc., can solve the problems of easy degradation of chemical adsorption solvents, high investment and high energy consumption in the cryogenic separation process, and improve resource utilization efficiency, Effect of improving capture economy and increasing contact area

Active Publication Date: 2014-08-06
DALIAN UNIV OF TECH
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Problems solved by technology

The absorption and adsorption process realizes the CO 2 Separation energy consumption is huge; chemical adsorption solvents are easy to degrade and cause equipment corrosion; pressure swing adsorption requires large investment and high energy consumption; the application of membrane separation technology depends on the development

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  • Bubbling type system for gathering carbon dioxide (CO2) by hydrate process
  • Bubbling type system for gathering carbon dioxide (CO2) by hydrate process
  • Bubbling type system for gathering carbon dioxide (CO2) by hydrate process

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Embodiment Construction

[0035] The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings and technical solutions in the description.

[0036] figure 1 Shown is a block diagram of the working principle of the trapping device, and its working process is as follows: the separated liquid is cooled by the primary refrigeration system and passed into the bubble column. The mixed gas in the inlet pressurization system passes into the bubble column 1 after being pressurized by the gas booster pump 16 . The secondary refrigeration system performs refrigeration to maintain a constant low temperature in the bubble column so that CO 2 A large number of hydrates are formed. Separated high-purity CO 2 Both the gas and residual gas are collected by the gas collection system. Wherein, the residual gas is recycled to the residual gas storage tank 2 through the residual gas collection pipeline, and the CO 2 After hydrate formation,...

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Abstract

A bubbling type system for gathering CO2 by a hydrate process belongs to the technical field of hydrate application, and comprises a bubble column, a gas intake pressurization system, a dual-refrigerating system, a gas gathering system, a separating medium circulation system and a computer data acquisition system. Mixed gas is conveyed in the bubble column after being pressurized by the gas intake pressurization system, the bubble column is filled with a separating medium, and is introduced into the bubble column after being cooled to the set temperature by the dual-refrigerating system, and CO2 hydrates are generated at low temperature. A reducing valve is arranged outside the bubble column, CO2 is enabled to be separated through a depressurization method, the gas flow after CO2 separation is measured by a flowmeter, gas components are analyzed by a gaschromatograph, the working parameters during the separation process, such as temperature, pressure signal and flow signal, are acquired and analyzed in time by the computer data acquisition system. The device is low in cost, has basic significance in mastering the gas separation technology adopting the hydrate process, and has an important value in the aspects of effective CO2 gathering in a power plant and high-purity utilization of hydrogen energy.

Description

technical field [0001] The invention relates to a system for capturing carbon dioxide by a bubbling hydrate method, and belongs to the technical field of hydrate application. Background technique [0002] With the extensive use of fossil fuels, the "greenhouse effect" is becoming more and more serious, and more and more people are paying attention to environmental issues. Although CO 2 brought about the greenhouse effect, however, CO 2 It is widely used in oil extraction, metal smelting, fire protection and biopharmaceuticals. The power plant is a CO 2 The main place of discharge. If the CO in the power plant is decommissioned 2 The collection and utilization will produce good economic and social benefits. Existing mature CO 2 Separation techniques include absorption separation, adsorption separation, membrane separation, and cryogenic separation. The absorption and adsorption process realizes the CO 2 Separation energy consumption is huge; chemical adsorption solve...

Claims

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Application Information

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IPC IPC(8): B01D53/78B01D53/62C01B31/20C01B32/50
CPCY02C20/40Y02P20/151
Inventor 宋永臣杨明军王朋飞刘瑜蒋兰兰赵越超经文
Owner DALIAN UNIV OF TECH
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