High-pressure hydrate generation device applicable to neutron diffraction

A high-pressure generation and hydrate technology, which is applied in the direction of measuring devices, material analysis using wave/particle radiation, and methods of chemically changing substances using atmospheric pressure. It can solve the problem of limited sample cavity size and neutron beam intensity. The requirements are very high, and it is not suitable for problems such as hydrate formation reaction and in-situ observation, so as to achieve the effect of preventing background

Active Publication Date: 2019-05-17
GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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Problems solved by technology

It can be seen that although these technologies all provide the realization of ultra-high pressure, it can be seen that most of them use a hi...

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  • High-pressure hydrate generation device applicable to neutron diffraction
  • High-pressure hydrate generation device applicable to neutron diffraction
  • High-pressure hydrate generation device applicable to neutron diffraction

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Embodiment Construction

[0030] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0031] Such as Figure 1 to Figure 4 As shown, a neutron diffraction hydrate high-pressure generating device mainly includes a temperature loading system 1, a pressure loading device 2, a rotating mechanism 3, a hydrate reactor 4, an incident window 5, an air inlet pipeline 6, an exit window 7 and Hydrate sample chamber 8.

[0032] The temperature loading system 1 is used to create a low-temperature environment for the formation reaction of hydrates. The hydrate reactor 4 is placed inside its matching temperature control chamber 20. The temperature loading system 1 adopts dual control of open-loop liquid nitrogen refrigeration cycle and air bath cycle. mode, the temperature control range is 100K~310K, and the temperature control ...

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Abstract

The invention discloses a high-pressure hydrate generation device applicable to neutron diffraction. The device comprises a temperature loading system, a pressure loading device, a rotating mechanism,a hydrate reactor, an incidence window, a gas inlet pipeline, an emergence window and a hydrate sample cavity, wherein the hydrate reactor comprises a concentric cylinder I, a concentric cylinder IIand a concentric cylinder III which are arranged from inside to outside in a coaxial sleeving manner, and a piston chamber is arranged at the axis of the concentric cylinder I; the pressure loading device comprises a press, a piston and a pressure transfer medium, the piston chamber of the concentric cylinder I is filled with the pressure transfer medium, the hydrate sample cavity is made of a flexible material, immersed in the pressure transfer medium and connected with a gas inlet system through the gas inlet pipeline, one end of the piston is connected with the press, the other end extendsinto the piston chamber and can move axially, and the rotating mechanism is connected with the hydrate reactor. The device can conveniently study generation and decomposition processes of gas hydratesby use of neutron diffraction.

Description

technical field [0001] The invention relates to the field of high-pressure gas hydrate generating devices, in particular to a high-pressure hydrate generating device suitable for neutron diffraction. Background technique [0002] Gas hydrate is a clathrate complex formed by gas molecules and water molecules under low temperature and high pressure conditions. The research on it has important theoretical and practical value. On the one hand, the huge resource reserves of gas hydrate The wide distribution of hydrates in the world has attracted extensive attention from governments of various countries. The determination of relevant mining processes and related technical solutions needs to be based on the understanding of the structure and basic physical properties of hydrates; on the other hand, based on the hydration The hydrate application technology developed by the excellent physical and chemical properties of hydrates - hydrate carbon dioxide separation, energy storage, sea...

Claims

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Application Information

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IPC IPC(8): B01J3/04B01J3/00B01J3/03B01J19/00B01J19/02B01J19/28G01N23/2005G01N23/207
Inventor 李小森余益松陈朝阳
Owner GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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