A high-temperature and high-pressure reactor for in-situ optical measurement of a large-capacity liquid environment

A liquid environment, optical measurement technology, used in color/spectral property measurement, measurement device, material analysis by optical means, etc., can solve problems such as inability to observe substances

Active Publication Date: 2021-10-08
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current equipment for high-temperature and high-pressure reaction containers often focuses on creating a suitable high-temperature or high-pressure environment for the container. The container itself is often a sealed system, and the substances in the container cannot be effectively observed during the entire experiment.

Method used

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  • A high-temperature and high-pressure reactor for in-situ optical measurement of a large-capacity liquid environment

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Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1 Overall structure of the present invention

[0017] Such as figure 1 As shown, it is a large-capacity liquid environment in-situ optical measurement high-temperature and high-pressure reactor capable of in-situ optical measurement. Its structure includes a reactor body 1, an optical window part 2, a sample chamber assembly 3, and a heating body assembly 4. Electrode 5, sealing part 6, water cooling tube 7, pressure component 8

[0018] The reactor body 1 of the reaction kettle adopts a cylindrical shape as a whole, and a hollow cavity inside. The diameter of the reactor body is 412 mm, and the height is 645 mm. 4340 alloy steel or other steels with comparable properties are selected as materials. In this embodiment, the pressure The container wall thickness is 152.4mm. Three circular windows with a diameter of 4 mm are provided at a vertical angle in the middle of the kettle body 1 for placing optical window parts 2, two of which are coaxial, and the othe...

Embodiment 2

[0022] Example 2 The working process of using the device of the present invention to perform in-situ measurement of high-temperature and high-pressure liquid environments

[0023] (1) Inject the sample into the sample chamber, seal the two ends of the sample chamber with sealing pistons, slide the sealing piston to make the volume of the sample chamber consistent with the volume of the sample, ensure that the pressure inside and outside the sample chamber is consistent during the pressurization process, assemble the sample chamber components, and The upper sealing part is connected;

[0024] (2) Assembling the heating body assembly, inserting the sample chamber assembly into the heating body assembly and connecting it with the lower sealing part;

[0025] (3) Put the assembled upper sealing part, sample chamber assembly, heating body assembly and lower sealing part into the inner cavity of the reaction kettle from the opening at the bottom of the reaction kettle, and gradually...

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Abstract

The technical field of high-temperature and high-pressure reactor high-temperature and high-pressure equipment for in-situ optical measurement of a large-capacity liquid environment of the present invention includes a reactor body (1), an optical window component (2), a sample chamber component (3), and a heating body component ( 4), electrode (5), sealing part (6), water-cooled tube (7) and pressure assembly (8); The reactor designed by the present invention can carry liquid sample, and sample volume can be up to hundreds of milliliters, and it provides 600℃ temperature, 550MPa pressure environment, and can realize in-situ X-ray absorption spectrum, fluorescence spectrum and Raman spectrum analysis of liquid samples under high temperature and high pressure conditions.

Description

technical field [0001] The invention belongs to the technical field of high-temperature and high-pressure equipment, and in particular relates to a large-capacity liquid environment in-situ high-temperature and high-pressure reaction kettle applicable to the fields of chemistry, physics, biology, materials science, and medicine. Background technique [0002] Since Bridgeman's pioneering work, the use of high pressure in natural science has attracted more and more attention, and the material properties of various media under high pressure conditions have attracted the attention of many scientific researchers. For example, in the oil exploration industry, when testing potential substances as brake fluids, it is necessary to understand the compressibility and freezing pressure of the fluid under high pressure, and this high pressure value often exceeds 100 MPa. In addition, research on the critical point of solid-liquid phase, multi-stage phase transition of aqueous solution, s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J3/04G01N23/083G01N23/10G01N21/65G01N21/64G01N21/3577G01N21/25G01N21/01
CPCB01J3/04G01N21/01G01N21/255G01N21/3577G01N21/6428G01N21/65G01N23/083G01N23/10G01N2021/0112G01N2223/04G01N2223/1016G01N2223/3106G01N2223/311G01N2223/317G01N2223/637
Inventor 杨新一刘闯邹勃
Owner JILIN UNIV
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