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Experimental device for in-situ monitoring of hydrate phase equilibrium

An experimental device and phase-equilibrium technology, which is used in measurement devices, material analysis by optical means, instruments, etc., can solve the problem of lack of multi-functional simultaneous in-situ monitoring technology, difficulty in simultaneously studying experimental influencing factors, and difficulty in growth and death behavior. Image and other problems, to achieve the effect of online chromatographic detection technology, good test effect, and automatic, fast and convenient pressure keeping

Inactive Publication Date: 2011-11-16
QINGDAO INST OF MARINE GEOLOGY
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Problems solved by technology

[0003] At present, the monitoring functions of the hydrate phase equilibrium simulation experimental devices reported at home and abroad are uneven. even more lacking
Therefore, for the phase equilibrium study of multi-component gas hydrates, it is difficult to simultaneously study the experimental influencing factors at the multi-parameter level, and it is difficult to obtain high-precision gas component differentiation data and high-resolution growth and death behavior images in situ and in real time.

Method used

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  • Experimental device for in-situ monitoring of hydrate phase equilibrium
  • Experimental device for in-situ monitoring of hydrate phase equilibrium

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Embodiment Construction

[0015] Experimental apparatus of the present invention comprises housing 1, and housing 1 is provided with reactor 2 and gas storage container 3 that communicate with each other through gas supply pipeline 14, and gas storage container 3 is connected with gas storage through gas supply pipeline 14, pressurization device 19. The bottle 4 is connected; the reactor 2 is respectively connected with the computer microprocessor 8 through the optical fiber imaging system 7 , the measurement control system 6 , and the chromatographic analysis system 5 ; the reactor 2 is set in the water bath jacket 18 .

[0016] The bottom of the reaction kettle 2 is provided with a magnetic stirrer 9 . A PID controller 10 is provided on the gas supply pipeline 14 between the reaction kettle 2 and the gas storage container 3 . There are two temperature sensors 12 inside the reactor, one of which is located at the upper side inside the reactor, and the other is located at the lower side inside the reac...

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Abstract

The invention relates to a test device, and especially relates to an experimental device for in-situ monitoring of hydrate phase equilibrium. The experimental device is characterized in that the device comprises a housing body; a reaction vessel and a gas storage container are arranged in the housing body and are communicated with each other by a gas feed pipe; the gas storage container is communicated with a gas bomb by a gas feed pipe and a pressure device; the reaction vessel is connected with a computer microprocessor through an optical imaging system, a metering control system and a chromatographic analysis system; and the reaction vessel is arranged in a water-bath jacket. Based on the experimental device, during the whole experiment process, the in-situ real-time recording of temperature data, pressure data, image data and chromatographic analysis data is carried out in one device by a computer system.

Description

technical field [0001] The invention relates to a testing device, in particular to a hydrate phase equilibrium in-situ monitoring experimental device. Background technique [0002] The formation and decomposition process of gas hydrate is actually a process of “hydrate-water-natural gas” three-phase equilibrium change, and any factors that affect the phase balance can affect the formation and decomposition process of gas hydrate. Therefore, the formation and decomposition information of natural gas hydrate can be obtained by studying the three-phase equilibrium conditions of "hydrate-water-natural gas" and its influencing factors under various conditions. [0003] At present, the monitoring functions of the hydrate phase equilibrium simulation experimental devices reported at home and abroad are uneven. It is even more scarce. Therefore, for the phase equilibrium study of multi-component gas hydrates, it is difficult to simultaneously study the experimental influencing fac...

Claims

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Application Information

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IPC IPC(8): G01N21/84G01N30/00
Inventor 业渝光刘昌岭贺行良孟庆国孙始财
Owner QINGDAO INST OF MARINE GEOLOGY
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