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Visible reactor and visual experiment system and method for replacing natural gas hydrate

An experimental system and a natural gas technology, which are applied in the field of natural gas hydrate generation and replacement experiments, can solve the problems such as the record of the dynamic characteristic hydrate form changes in the process of non-replacement, and achieve the effect of simple structure and low cost.

Inactive Publication Date: 2019-03-08
SUN YAT SEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this patent only involves research on improving the replacement rate and replacement speed, and cannot record in detail the dynamic characteristics of the replacement process and the morphological changes of hydrates

Method used

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  • Visible reactor and visual experiment system and method for replacing natural gas hydrate
  • Visible reactor and visual experiment system and method for replacing natural gas hydrate
  • Visible reactor and visual experiment system and method for replacing natural gas hydrate

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Embodiment

[0044] A schematic structural view of a visible reactor in this embodiment is as follows: Figure 2 to Figure 3 As shown, it includes a cylinder body 27, a front flange 17, a rear flange 26 and a glass 24; the front flange 17, the rear flange 26 and the cylinder body 27 are all hollow structures, and the glass 24 is respectively embedded in the front In the hollow structure of the flange 17 and the rear flange 26, the front flange 17, the rear flange 26 and the glass 24 are used to seal the cylinder 27; the cylinder 27 is provided with several interfaces.

[0045] In this embodiment, the outer surface of the glass 24 is sealed with the front flange 17 and the rear flange 26 through the gasket 23, the outer periphery of the glass 24 is sealed with the front flange 17 and the rear flange 26 through the O-ring and the pressure ring 19, and the glass 24 The inner surface is sealed with the cylinder body 27 through an O-ring, and the front flange 17 and the rear flange 26 are seale...

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Abstract

The invention relates to a visual reaction kettle and a visualized experimental system and method for replacing natural gas hydrate. The reaction kettle used by the system comprises a barrel, a front flange, a rear flange and glass; the front flange, the rear flange and the barrel are each of a hollow structure, the glass is embedded on the hollow structure of the front flange and the hollow structure of the rear flange respectively, and the front flange, the rear flange and the glass are used for sealing the barrel; the barrel is provided with multiple connectors; the system comprises a sampling tank, a vacuum pump, a first natural gas bottle, a carbon dioxide gas bottle, a second natural gas bottle, an environmental climate case, a beaker, a sensor, an image acquisition device and a data acquiring and processing device. By means of the experimental system, the process of replacing the natural gas hydrate with carbon dioxide at different phase states can be carried out, macroscopic thermodynamic and dynamic data in the replacing process is obtained, and meanwhile the dynamic characteristics, the heat-fluid-solid coupling phenomenon and the hydrate form change in the replacing process are recorded; the visual reaction kettle and the visualized experimental system and method for replacing the natural gas hydrate can be used for observing the natural gas hydrate generation phenomenon.

Description

technical field [0001] The invention relates to the technical field of natural gas hydrate formation and replacement experiments, and more specifically, to a visual reactor and a visual experiment system and method for replacing natural gas hydrates. Background technique [0002] Gas hydrate, commonly known as "combustible ice", is a white solid crystalline substance, like ice and snow. Under ideal conditions, 180 times the volume of gas molecules can be released per cubic meter of hydrate. Most of the world's natural gas hydrates are distributed in the ocean and stored in specific seabed sediments, and only a very small number of natural gas hydrates are distributed in perennially frozen land areas. The total resource of methane in natural gas hydrate (NGH) is about 3 × 10 15 m 3 , compared to conventional natural gas (the reserve is about 0.404×10 15 m 3 ), shale gas (reserves are about 0.204×10 15 ~0.456×10 15 m 3 ), its reserves appear to be very large. Ther...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J3/00B01J3/02B01J3/03B01J3/04B01J10/00B01J19/00B01J19/24C10L3/10
CPCB01J3/002B01J3/004B01J3/02B01J3/03B01J3/042B01J10/00B01J19/0013B01J19/2445C10L3/108
Inventor 郭开华陈国兴
Owner SUN YAT SEN UNIV
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