Device and method for measuring gas solubility in natural gas hydrate solution system

A measuring device and hydrate technology, which is applied to measuring devices, sampling devices, preparation of samples for testing, etc., can solve problems such as unpredictable solubility, and achieve the effects of promoting generation, ensuring accuracy, and speeding up

Active Publication Date: 2020-08-25
DALIAN UNIV OF TECH
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Problems solved by technology

[0005] The purpose of the present invention is to provide a gas solubility measurement device and method in the natural gas hydrate solution system to solve the technical problem that the solubil...

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  • Device and method for measuring gas solubility in natural gas hydrate solution system
  • Device and method for measuring gas solubility in natural gas hydrate solution system
  • Device and method for measuring gas solubility in natural gas hydrate solution system

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Embodiment Construction

[0033] The solubility measurement of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0034] See attached figure 1 , a measuring device for gas solubility in a natural gas hydrate solution system proposed by the present invention, comprising: a gas sample bottle 1, a first valve 2, a gas injection high-pressure metering pump 3, an electric pump 4, a second valve 5, and a third valve 6. Buffer tank 7, piston 8, intake valve 9, viewing window 10, safety valve 11, balance chamber 12, electromagnetic stirring rod 13, electromagnetic stirrer 14, water storage tank 15, fourth valve 16, water injection high-pressure metering pump 17, sampling valve 18, vacuum pump 19, the fifth valve 20, the first sampling valve 21, microfilter 22, the second sampling valve 23, expansion chamber 24, agitator 25, temperature regulating tank 26, data acquisition device 27, Gas meter 28, analytical balance 29.

[0035]The device for measuring gas...

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Abstract

The invention belongs to the field of gas solubility measurement, and provides a device and a method for measuring gas solubility in a natural gas hydrate solution system. The measuring device mainlycomprises a reaction system, a sampling system and a data analysis system. According to the invention, the gas solubility in a natural gas hydrate solution system can be measured under different temperature, pressure and salt ion conditions, and the influence of different environmental conditions on the gas solubility during hydrate-liquid water two-phase balance is explored. The device has the characteristics that the structure is simple, the operation is convenient, the sampling is performed under constant pressure, the phase balance and the dissolution balance of a system are prevented frombeing damaged by sampling, in addition, the microfilter is used for ensuring that a taken liquid sample does not contain hydrate crystals, and the experiment data has higher accuracy.

Description

technical field [0001] The invention relates to the field of gas solubility measurement, in particular to a gas solubility measurement device and method in a natural gas hydrate solution system. Background technique [0002] As a new clean energy resource to replace coal, oil and natural gas in the 21st century, natural gas hydrate has attracted worldwide attention due to its high energy density, excellent resource density, and wide global distribution, and is considered to be the most promising strategy for commercial development in the future One of the resources, it is mainly distributed in the deep seabed along the continental shelf and the inland permafrost zone, among which the natural gas hydrate at the bottom of the ocean is the most widely distributed and has the most abundant reserves. [0003] Gas solubility measurements play an important role in both practical engineering and scientific research related to gas hydrates. In the field of practical engineering, sin...

Claims

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Application Information

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IPC IPC(8): G01N7/14G01N5/00G01N1/38G01N1/34G01N1/14
CPCG01N7/14G01N5/00G01N1/38G01N1/34G01N1/14
Inventor 赵佳飞王天张伦祥孙灵杰宋永臣杨磊张毅凌铮李洋辉刘卫国
Owner DALIAN UNIV OF TECH
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