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Hydrothermal synthesis device under strong magnetic field

A technology of thermal synthesis and strong magnetic field, which is applied in the direction of chemical/physical/physicochemical processes of energy application, can solve problems such as uneven magnetic field, and achieve the effect of simple assembly and operation and reasonable structure

Inactive Publication Date: 2016-02-03
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it uses a very simple permanent magnet to generate a low magnetic field, and the magnetic field is very uneven in the reaction chamber.

Method used

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  • Hydrothermal synthesis device under strong magnetic field
  • Hydrothermal synthesis device under strong magnetic field
  • Hydrothermal synthesis device under strong magnetic field

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 1

[0029] Such as figure 1 As shown, the hydrothermal synthesis device under a strong magnetic field mainly includes a superconducting magnet 2, a barrel-shaped heating jacket 3, a high-pressure reactor 9, a water cooling device 11, and a temperature control device 7. The autoclave 9 is placed upright, the barrel-shaped heating jacket 3 is placed on the base 8, and the transfer rod 6 is installed on the base 8, so that the barrel-shaped heating jacket 3 equipped with the autoclave 9 is placed on the bore of the superconducting magnet 2 In the hole, it is in the center of the magnetic field, and at the same time, the transmission rod can ensure the safe operation of the hydrothermal synthesis device under the condition of a strong (strong) magnetic field, thereby improving the working efficiency. A thermocouple 4 is arranged near the outer wall of the high-pressure reaction kettle 9 and the inner wall gap of the barrel heating jacket 3, and the thermocouple 4 and the power connect...

specific Embodiment 2

[0032] In order to effectively use the uniform magnetic field area of ​​the magnet and increase the capacity and synthesis output of the high-pressure reactor, a horizontal (horizontal) hydrothermal synthesis device under a strong magnetic field with the high-pressure reactor and the heating jacket in the direction of the parallel magnetic field is designed, such as image 3Shown is a schematic diagram of the cross-sectional structure of the device parallel to the direction of the magnetic field. The barrel-shaped heating jacket 20 placed horizontally has the same basic structure as the barrel-shaped heating jacket 3 in Embodiment 1, and the outside is a water-cooled double-layer jacket 19 with an interval of about 5 mm, which is next to the water-cooled double-layer jacket 19 A barrel-shaped heat-insulating interlayer 26 is installed inside the heat-insulating interlayer 26, and a barrel-shaped heater 27 is installed in the heat-insulating interlayer 26; the autoclave 28 is ho...

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PUM

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Abstract

The invention discloses a hydrothermal synthesis device under a strong magnetic field. The hydrothermal synthesis device under the strong magnetic field comprises a superconducting magnet, wherein a bucket-shaped heating sleeve is arranged in the middle of a magnetic field in a bore hole of the superconducting magnet; a high-pressure reaction kettle is arranged in the bucket-shaped heating sleeve; the bucket-shaped heating sleeve and the high-pressure reaction kettle are connected with a temperature control device; the bucket-shaped heating sleeve with water cooling is connected with a water cooling device, and is provided with a transmission rod and a double-winding armour heating wire. The device is reasonable in structure, convenient to assemble and operate, free of influence on working, capable of working by using a suitably-sized common high-pressure reaction kettle, applicable to synthesis and preparation of materials by adopting a hydrothermal method and a solvent thermal method under the strong magnetic field and important in application in preparation of novel materials with specially-shaped structures and performances.

Description

technical field [0001] The invention relates to a material synthesis and preparation device, in particular to a hydrothermal synthesis device under a strong magnetic field. Background technique [0002] The hydrothermal / solvothermal synthesis method is to configure the reaction raw materials into a solution and put them into a reaction kettle to synthesize materials at a certain temperature and pressure. Because the reactants are in a subcritical or supercritical non-equilibrium state under this condition, the reaction activity is high, and the reaction products with high purity, good dispersion and easy control of the morphology can be obtained. Moreover, because the homogeneous nucleation and heterogeneous nucleation mechanisms of hydrothermal reactions are different from the diffusion mechanisms of solid-state reactions, it is also possible to obtain new compounds and new materials that cannot be prepared by other methods. Hydrothermal / solvothermal synthesis has become a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J19/12
Inventor 戴建明刘强春梁长浩杨林生邹键朱雪斌孙玉平
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI