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The primary pressure lifting device of the hinged six-sided top press

A technology of six-sided top press and high-pressure device, which is applied to the method of using atmospheric pressure to chemically change substances, the process of applying ultra-high pressure, chemical instruments and methods, etc., and can solve problems such as low pressure

Active Publication Date: 2021-09-14
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to design a high-pressure device that converts the six-sided top to the double-sided top in view of the current situation that the pressure of the booster device of the six-sided top press is relatively low. The characteristic of this device is that the pressure of the six-sided top press can be Increased to more than 10GPa, and the sample diameter is almost unchanged compared with existing high-pressure devices

Method used

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  • The primary pressure lifting device of the hinged six-sided top press
  • The primary pressure lifting device of the hinged six-sided top press
  • The primary pressure lifting device of the hinged six-sided top press

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] (1) Assembly of sealing pressure unit: put Φ 外径 =16.23mm, Φ 内径 =Put the 6mm sealed pressure insulation tube into Φ 外径 =18.23mm, Φ 内径 =16.23mm sealed metal cylinder, and then put the heating device into the sealed pressure insulation cylinder in turn to assemble the sealed pressure unit.

[0042] (2) Assembly of booster unit: put tungsten carbide booster column with Φ=6mm, h=6mm into Φ 外径 =18.23mm, Φ 内径 =16.23mm in the pyrophyllite ring, and then wrap the tungsten carbide booster plug with Φ=14mm and h=7mm in the pyrophyllite ring. Finally, the booster plug and the booster column are combined to form a booster unit.

[0043] (3) Assembling of pressurization-insulation pre-sealed high-pressure device: put the unit assembled in (1) (2) into the pyrophyllite pressure transmission medium, and the order of placement is: pressurization unit, sealing unit, booster pressure unit. Finally, a symmetrical assembly with the sealing unit as the axis of symmetry is formed in th...

Embodiment 2

[0047] (1) Assembly of sealing pressure unit: put Φ 外径 =16.23mm, Φ 内径 =The 10mm sealed pressure insulation cylinder is put into Φ 外径 =18.23mm, Φ 内径 =16.23mm sealed metal cylinder, and then put the heating device into the sealed pressure insulation cylinder in turn to assemble the sealed pressure unit.

[0048] (2) Assembly of booster unit: put tungsten carbide booster column with Φ=10mm, h=6mm into Φ 外径 =18.23mm, Φ 内径 =10mm in the pyrophyllite ring, and then wrap the tungsten carbide booster plug with Φ=14mm and h=7mm in the pyrophyllite ring. Finally, the booster plug and the booster column are combined to form a booster unit.

[0049] (3) Assembling of pressurization-insulation pre-sealed high-pressure device: put the unit assembled in (1) (2) into the pyrophyllite pressure transmission medium, and the order of placement is: pressurization unit, sealing unit, booster pressure unit. Finally, a symmetrical assembly with the sealing unit as the axis of symmetry is formed...

Embodiment 3

[0054] (1) Assembly of sealing pressure unit: put Φ 外径 =16.23mm, Φ 内径 =The 10mm sealed pressure insulation cylinder is put into Φ 外径 =18.23mm, Φ 内径 =16.23mm sealed metal cylinder, and then put the heating device into the sealed pressure insulation cylinder in turn to assemble the sealed pressure unit.

[0055] (2) Assembly of booster unit: put tungsten carbide booster column with Φ=10mm, h=6mm into Φ 外径 =18.23mm, Φ 内径 =10mm in the pyrophyllite ring, and then wrap the tungsten carbide booster plug with Φ=14mm and h=7mm in the pyrophyllite ring. Finally, the booster plug and the booster column are combined to form a booster unit.

[0056] (3) Assembling of pressurization-insulation pre-sealed high-pressure device: put the unit assembled in (1) (2) into the pyrophyllite pressure transmission medium, and the order of placement is: pressurization unit, sealing unit, booster pressure unit. Finally, a symmetrical assembly with the sealing unit as the axis of symmetry is formed...

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Abstract

The invention discloses a pressurization-insulation pre-sealed high-pressure high-temperature device, which increases the pressure of the first-stage assembly of a six-sided top press from the original 6GPa to 12GPa. This high-pressure assembly includes the following parts: (1) Six top hammers of special materials and processes driven synchronously by the six-sided top press; (2) Pyrophyllite pressure transmission medium with pre-sealed edges or gradient components; (3) Two high-hardness material pressurized plugs; (4) two high-hardness material pressurized columns; (5) a sealed pressure metal cylinder; (6) a sealed pressure insulation cylinder; (7) sealed pressure metal cylinder and sealed pressure (8) A booster unit made up of a booster plug and a booster column; a heating and heat preservation unit made up of materials with low thermal conductivity and high resistivity. This high-pressure device can reach a pressure of 12GPa, which is 100% higher than the existing device, and the temperature exceeds 1800°C. The invention has the advantages of stable and reliable high-pressure and high-temperature performance, large sample chamber size, high pressure generation efficiency and the like.

Description

technical field [0001] The invention relates to a pressurization-insulation pre-sealed high-pressure device, which can be used in large-cavity static high-pressure devices to synthesize diamond, cubic boron nitride and composite materials thereof, and can also be used in earth science research. This device therefore belongs to the field of high-pressure equipment in the production of superhard materials and in geophysical research. Background technique [0002] The pressure P and the temperature T as well as the chemical composition X of the substance are three independent physical parameters of any substance system. Among them, pressure, as an independent thermodynamic parameter, can effectively reduce the distance between atoms and increase the orbital coupling between adjacent atoms, thereby regulating the crystal structure and electronic structure of the substance, forming a state of matter that cannot be formed under normal conditions; and pressure As a strengthening m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J3/06
CPCB01J3/067
Inventor 寇自力王义鹏
Owner SICHUAN UNIV
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