CN101091895A - New type equipment for producing super high pressure - Google Patents
New type equipment for producing super high pressure Download PDFInfo
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- CN101091895A CN101091895A CN 200710048839 CN200710048839A CN101091895A CN 101091895 A CN101091895 A CN 101091895A CN 200710048839 CN200710048839 CN 200710048839 CN 200710048839 A CN200710048839 A CN 200710048839A CN 101091895 A CN101091895 A CN 101091895A
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Abstract
The invention relates to a new installment for having ultrahigh voltage. It includes 6 hammer heads (4) of 6 sides presser synchronization drive, supercharging unit (1) composed of 8 cubes (6) which cutting one corner each and octahedron synthesis blocks (8) used for holding the synthesis raw material in the internal. Thereinto, putting the turbo-charged unit (1) into the hexahedron high pressure octahedron cavity (9) made of cubes (6) which matches with the unit, and putting the octahedron synthesis block (8) into the octahedron high pressure cavity made of cubes which matches with the block, the deformation strutting whose hardness is smaller than the tangential angle cube is filled among the eight cubes (6) which compose the turbo-charged unit. Composed to the second-level six - octahedron static high pressure installment based on two sides skeleton heads in existence, it is simple structure, high intensity of pressure transfer ratio, few energy consumption of the movement, few service work load and so on.
Description
Technical field
The present invention relates in material is synthetic, use pressure device, more particularly, be the quiet high-pressure installation of use in superhard material is synthetic.
Technical background
Diamond, cubic boron nitride (cBN), B
6The synthetic high temperature and high pressure environment that needs of superhard materials such as O, the synthetic middle topmost equipment that uses is the quiet high-pressure installation of big cavity.The big quiet high-pressure installation of cavity starts from the high pressure technique of development such as Bridgman at the beginning of last century, mainly comprise two sides body and polyhedron pressure chamber device, the maximum pressure that the two sides body presses chamber device (belt type press) to be produced is about 12GPa, can satisfy the needs of preparation run-of-the-mill superhard material, but the higher superhard material of preparation quality then needs higher pressure.Polyhedron presses the chamber device to comprise that hexahedron presses chamber device (cubic hinge press) and octahedra pressure chamber device etc., and wherein cubic hinge press comprises rod-pulling type cubic hinge press, hinge type cubic hinge press and based on the cubic hinge press of belt type press framework.The complex structure of rod-pulling type cubic hinge press, processing difficulties, cost is high, seldom is used; The compact conformation of hinge type cubic hinge press, processing and installation are simple relatively, and cost is also relatively cheap, but the highest pressure that can reach is about 7GPa, can not satisfy the needs of preparation high-quality superhard material; Based on the cubic hinge press of belt type press framework, press the chamber to constitute by adopting the slide block type assembling to press the chamber to change hexahedron into the two sides body.Octahedra press then is after belt type press changes cubic hinge press into by the slide block assembling, inserts the octahedra compress cell of secondary again in hexahedron is pressed the chamber, forms secondary six-octahedron and presses the quiet high-pressure installation in chamber, and its structure as shown in Figure 1.Usually use tungsten carbide as the octahedra compress cell material in the second level, maximum pressure can reach 30Gpa, maximum temperature can reach 2500K (USP 3517413), as the octahedra compress cell material in the second level being changed into the sintered body of polycrystal cubic body boron nitride (PCBN) or diamond (PCD), its maximum pressure can be increased to about 50GPa.The quiet high-pressure installation of polyhedron of the quiet High-Voltage Experimentation chamber of world-class level use at present is all based on the belt type press framework.China orders the big quiet high-pressure installation of cavity of cover secondary a six-octahedron from the U.S., adds mounting cost, amounts to and is roughly equal to nearly 5,000,000 yuans, costs an arm and a leg.In addition, the big quiet high-pressure installation of cavity of this secondary six-octahedron based on belt type press, because design has the slide block that belt type press is converted to cubic hinge press, thereby there are deficiencies such as the pressure conversion rate is low, apparatus structure is complicated, the operation energy consumes height, maintenance load is big.
Summary of the invention
The objective of the invention is the deficiency that exists at the quiet high-pressure installation of the big cavity that is used to produce super-pressure in the prior art, the new device that aim to provide that a kind of simple in structure, pressure conversion rate height, cost are low, operation consuming little energy, few being used to of maintenance load produces super-pressure.
The new device that is used to produce super-pressure of the present invention is to press at the hexahedron of cubic hinge press to increase an octahedra compress cell in the chamber, forms based on the big quiet high-pressure installation of cavity of six of cubic pressure mechanism rack-octahedron.This device comprise the compress cell of forming by synchronously driven six the top hammers of cubic hinge press, eight corner cut squares and be used in the octahedron of dress synthesis material synthesize piece, wherein, compress cell is inserted being surrounded in the hexahedron high pressure chest that forms by six top hammers of being complementary with it, octahedra synthetic piece is inserted being surrounded in the octahedra high pressure chest that forms by eight corner cut squares of being complementary with it, but is filled with the deformation supporter of hardness less than the corner cut square between eight squares of composition compress cell.For six top hammers that make cubic hinge press can move on behind the contact compress cell compress cell is exerted pressure, the size that the flat side of a hammer size that acts on compress cell should be not more than an acting surface of compress cell is hammered on the top into shape, and the ratio between the flat side of a hammer size of top hammer and the size of an acting surface of compress cell is preferably 1～0.5.In like manner, for eight corner cut squares can be moved on behind the octahedra synthetic piece of contact the synthetic piece of octahedron is exerted pressure, the tangent plane size that forms after the square corner cut should be less than the size of the synthetic acting surface of piece of octahedron, and the ratio between the size of a square tangent plane size and an octahedra synthetic acting surface of piece is preferably 0.95～0.1.Between eight corner cut squares, except that the cavity that it surrounded, selecting timber or macromolecular material for use is that filler supports square so that form compress cell.In order to obtain higher pressure, the material of square can be selected tungsten carbide, diamond, cubic boron nitride, B for use
6A kind of in the O polycrystalline sintered body, or select tungsten carbide, diamond, cubic boron nitride, B for use
6Mutual a kind of in the compound formed composite between the O polycrystalline sintered body.Described cubic hinge press preferably adopts the hinge type cubic hinge press.The material of described cubic hinge press top hammer is a hard alloy steel.
The high-pressure system operation principle that is used to produce the new device of super-pressure of the present invention is, at first proceed to octahedra compress cell and contact by three tops of the hydraulic system driven in synchronism of cubic hinge press hammer sky, the top hammer continues the octahedra compress cell of extruding under hydraulic system continues to advance, eight squares of octahedra compress cell compress to the cavity that it surrounded under the promotion of top hammer, the octahedra synthetic piece of extruding, portion produces super-pressure within it.Because the flat side of a hammer size that acts on compress cell of top hammer is less than the size of an acting surface of compress cell, so the top hammer can not bump in whole process of advancing, but form in addition between eight squares of compress cell and be filled with the deformation supporter of hardness less than the corner cut square, so compress cell can not bump in the process of the octahedra synthetic piece of whole extruding, pressure until the synthetic piece of octahedron reaches predetermined value, carries out pressurize.Behind synthetic the finishing, the top hammer that is driven by hydraulic system is retracted into initial position and can takes out compress cell, and then takes out synthetic piece from compress cell.
A kind of heating system operation principle that is used to produce the new device of super-pressure of the present invention is, the two ends of power supply link to each other with a pair of relative top hammer (being generally top hammer up and down) of cubic hinge press, the top hammer is contacting back formation electrical connection with the corresponding square of compress cell, square is electrically connected by the heater of chamfer with octahedra synthetic piece, forms a closed-loop path.Heater in the octahedra synthetic piece generates heat after energising, produces hot environment, and raw material is synthesized.
A kind of new device that is used to produce super-pressure of the present invention is compared with the big quiet high-pressure installation of cavity of existing secondary six based on two top frameworks-octahedron, and main advantage is:
1, device of the present invention can produce the high-temperature and high-pressure conditions of about 50GPa, 3000K, and overall performance is better than existing same category of device.
2, from the mechanics principle angle, the octahedra compress cell of direct built-in secondary in the cubic pressure chamber is higher than the efficient of pressing device generation pressure in chamber based on secondary six-octahedron of belt type press framework.This is at first to adopt the slide block assembling to press the chamber to convert hexahedron to the two sides body because of the secondary six-octahedra quiet high-pressure installation based on the belt type press framework to press the chamber, pressing the chamber to convert hexahedron at the two sides body presses in the process in chamber, the consumed work that frictional force is brought is inevitable, greatly reduces the conversion efficiency of pressure; Quiet high-pressure installation of the present invention has then been save this step fully, has realized directly pressing the chamber to octahedra pressure conversion from hexahedron.
3, from design, manufacturing, setting angle, the present invention has save the two sides body and has pressed the chamber to press the chamber to change this step to hexahedron, design, manufacturing and installation cost have been saved, raw material have been saved, cost is reduced greatly, only be with tonnage based on about 1/4th of the secondary six-octahedra quiet high-pressure installation of belt type press framework.
4, from the angle of operation, the present invention has save the two sides body and has pressed the chamber to press the chamber to change this step to hexahedron, has reduced the process that energy transmits, and has avoided frictional force to be converted into negative work that other energy are done such as heat energy, has saved the energy.
5, the angle from safeguarding, the present invention has save the two sides body and has pressed the chamber to press the chamber to change this step to hexahedron, has reduced the equipment error rate, has improved stable equipment operation, has increased service life of equipment, has reduced maintenance personal's workload.
Device of the present invention also has the advantage of others.
Description of drawings
Accompanying drawing 1 is based on the secondary six under two top press frameworks-octahedra quiet high-pressure installation schematic diagram;
Accompanying drawing 2 is the octahedra quiet high-pressure installation schematic diagram based on the cubic pressure mechanism rack of the present invention;
Accompanying drawing 3 is the enlarged diagram of octahedra compress cell structure;
Accompanying drawing 4 is the enlarged drawing of a square in the compress cell;
Accompanying drawing 5 is the enlarged drawing of octahedra synthetic piece.
Each label sign object is in the accompanying drawing:
The octahedra compress cell of 1-, two top press tops of 2-hammer, two top press of 3-are to cubic hinge press conversion slide block, the top hammer of 4-cubic hinge press, the octahedra high pressure chest of 5-, the square in the 6-compress cell, the chamfer of 7-square, 8-synthesizes piece, 9-hexahedron high pressure chest.
The specific embodiment
Be used to produce the new device of super-pressure, its structure such as Fig. 2,3, shown in 4, the octahedra big quiet high-pressure installation of cavity for hinge type cubic pressure mechanism rack, this device comprises by synchronously driven six the top hammers 4 of cubic hinge press, eight synthetic pieces 8 of square 6 octahedra compress cell of forming 1 and the octahedron that is used for interior dress synthesis material that cut a jiao, wherein, the material of top hammer 4 is a hard alloy steel, compress cell 1 is inserted being surrounded in the hexahedron high pressure chest 9 that forms by six top hammers 4 of being complementary with it, it is that the square 6 of WC surrounds in the octahedra high pressure chest that forms by material that octahedra synthetic piece 8 is inserted what be complementary with it, forms between eight squares of compress cell to be filled with the lumber support thing.For six top hammers that make cubic hinge press can move on behind the contact compress cell compress cell is exerted pressure, the ratio of the flat side of a hammer size that acts on compress cell of top hammer and the size of an acting surface of compress cell is 0.8 (ratio is in 1 to 0.5 scope).In like manner, for eight corner cut squares can be moved on behind the octahedra synthetic piece of contact the synthetic piece of octahedron is exerted pressure, the tangent plane size that forms after the square corner cut is 0.7 (ratio is in scope 1 to 0.1) with the ratio of the size of an octahedra synthetic acting surface of piece.
Claims (9)
1, a kind of new device that is used to produce super-pressure, it is characterized in that comprising by synchronously driven six the top hammers of cubic hinge press (4), the compress cell (1) that the square of eight corner cuts (6) is formed and be used in the octahedron of dress synthesis material synthesize piece (8), wherein, compress cell (1) is inserted being surrounded in the hexahedron high pressure chest (9) that forms by six top hammers (4) of being complementary with it, octahedra synthetic piece (8) is inserted being surrounded in the octahedra high pressure chest (5) that forms by square (6) of being complementary with it, form compress cell eight squares (6) but between be filled with the deformation supporter of hardness less than the corner cut square.
2, the new device that is used to produce super-pressure according to claim 1 is characterized in that flat side of a hammer size that described top hammer (4) acts on compress cell (1) is not more than the size of (1) acting surface of described compress cell.
3, the new device that is used to produce super-pressure according to claim 2 is characterized in that described top hammer (4) acts on the flat side of a hammer size of compress cell (1) and the dimension scale of (1) acting surface of described compress cell is 1～0.5.
4, the new device that is used to produce super-pressure according to claim 1 is characterized in that tangent plane (7) size that forms after described square (6) corner cut size less than the synthetic acting surface of piece of described octahedron.
5, the new device that is used to produce super-pressure according to claim 4 is characterized in that the dimension scale of the synthetic acting surface of piece of tangent plane (7) size that forms after described square (6) corner cut and described octahedron is 0.95～0.1.
6, the new device that is used to produce super-pressure according to claim 1 is characterized in that the material of described top hammer (4) is a hard alloy steel.
7, the new device that is used to produce super-pressure according to claim 1 is characterized in that the material of described corner cut square (6) is selected from tungsten carbide, diamond, cubic boron nitride, B
6A kind of in the O polycrystalline sintered body, or be selected from a kind of in the composite between them.
8, the new device that is used to produce super-pressure according to claim 1 is characterized in that above support selects timber or macromolecular material for use.
9,, it is characterized in that described cubic hinge press is the hinge type cubic hinge press according to the described new device that is used to produce super-pressure of arbitrary claim in the claim 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2007100488392A CN100486684C (en) | 2007-04-10 | 2007-04-10 | Equipment for producing super high pressure |
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| CNB2007100488392A CN100486684C (en) | 2007-04-10 | 2007-04-10 | Equipment for producing super high pressure |
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| CN100486684C CN100486684C (en) | 2009-05-13 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101804313A (en) * | 2010-04-09 | 2010-08-18 | 四川大学 | Anvil-pre-sealing edge high pressure device |
| CN101912749A (en) * | 2010-08-13 | 2010-12-15 | 吉林大学 | Device for generating large-cavity ultrahigh hydrostatic pressure |
| CN102423664A (en) * | 2011-08-19 | 2012-04-25 | 蒋孟瑶 | Production process for artificial diamond and cemented carbide composite material |
| CN102553494A (en) * | 2012-01-10 | 2012-07-11 | 吉林大学 | Six-anvil multi-grade supercharging device |
| CN102671578A (en) * | 2012-05-15 | 2012-09-19 | 四川大学 | Polycrystalline diamond-tungsten carbide rigid alloy composite anvil for generating ultrahigh pressure |
| CN103170282A (en) * | 2013-03-29 | 2013-06-26 | 吉林大学 | Large-cavity multi-anvil type ultra-high-pressure device |
| CN103446946A (en) * | 2013-08-15 | 2013-12-18 | 四川大学 | Secondary anvil and secondary pressurizing unit of octahedral pressure cavity static high-pressure device |
| CN103464056A (en) * | 2013-09-17 | 2013-12-25 | 南京理工大学 | Anvil cell high-pressure device capable of generating compression-shear combined loading |
| CN104587897A (en) * | 2015-01-26 | 2015-05-06 | 吉林大学 | Large-cavity segmentation ball type ultra-high pressure equipment |
| CN105833799A (en) * | 2016-05-11 | 2016-08-10 | 河南工业大学 | Device for high-temperature and high-pressure reaction of liquid by means of hinge type cubic press |
| CN106824003A (en) * | 2017-02-23 | 2017-06-13 | 河南工业大学 | A kind of hinge type belt type press device |
| CN109046179A (en) * | 2018-08-23 | 2018-12-21 | 李伟 | A kind of internal pressure boosting method of large cavity press |
| CN109975338A (en) * | 2019-04-01 | 2019-07-05 | 四川大学 | A kind of 2-8 type high pressure loading device in situ neutron diffraction |
| CN110499529A (en) * | 2019-08-28 | 2019-11-26 | 四川大学 | A kind of high temperature and pressure preparation of routine superconductor material tungsten phosphide (WP) |
| CN111025055A (en) * | 2019-12-04 | 2020-04-17 | 四川大学 | Conductive medium and assembly part for high-stress and large-deformation environment and application of conductive medium and assembly part |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2026389A1 (en) * | 1968-12-18 | 1970-09-18 | Hall Howard |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101804313A (en) * | 2010-04-09 | 2010-08-18 | 四川大学 | Anvil-pre-sealing edge high pressure device |
| CN101804313B (en) * | 2010-04-09 | 2012-12-19 | 四川大学 | Anvil-pre-sealing edge high pressure device |
| CN101912749A (en) * | 2010-08-13 | 2010-12-15 | 吉林大学 | Device for generating large-cavity ultrahigh hydrostatic pressure |
| CN101912749B (en) * | 2010-08-13 | 2013-01-09 | 吉林大学 | Device for generating large-cavity ultrahigh hydrostatic pressure |
| CN102423664A (en) * | 2011-08-19 | 2012-04-25 | 蒋孟瑶 | Production process for artificial diamond and cemented carbide composite material |
| CN102553494A (en) * | 2012-01-10 | 2012-07-11 | 吉林大学 | Six-anvil multi-grade supercharging device |
| CN102553494B (en) * | 2012-01-10 | 2013-12-25 | 吉林大学 | Six-anvil multi-grade supercharging device |
| CN102671578A (en) * | 2012-05-15 | 2012-09-19 | 四川大学 | Polycrystalline diamond-tungsten carbide rigid alloy composite anvil for generating ultrahigh pressure |
| CN103170282A (en) * | 2013-03-29 | 2013-06-26 | 吉林大学 | Large-cavity multi-anvil type ultra-high-pressure device |
| CN103170282B (en) * | 2013-03-29 | 2016-05-11 | 吉林大学 | Many tops of large cavity anvil formula ultra-high pressure apparatus |
| CN103446946A (en) * | 2013-08-15 | 2013-12-18 | 四川大学 | Secondary anvil and secondary pressurizing unit of octahedral pressure cavity static high-pressure device |
| CN103446946B (en) * | 2013-08-15 | 2015-07-08 | 四川大学 | Secondary anvil and secondary pressurizing unit of octahedral pressure cavity static high-pressure device |
| CN103464056B (en) * | 2013-09-17 | 2015-06-24 | 南京理工大学 | Anvil cell high-pressure device capable of generating compression-shear combined loading |
| CN103464056A (en) * | 2013-09-17 | 2013-12-25 | 南京理工大学 | Anvil cell high-pressure device capable of generating compression-shear combined loading |
| CN104587897A (en) * | 2015-01-26 | 2015-05-06 | 吉林大学 | Large-cavity segmentation ball type ultra-high pressure equipment |
| CN105833799A (en) * | 2016-05-11 | 2016-08-10 | 河南工业大学 | Device for high-temperature and high-pressure reaction of liquid by means of hinge type cubic press |
| CN106824003A (en) * | 2017-02-23 | 2017-06-13 | 河南工业大学 | A kind of hinge type belt type press device |
| CN109046179A (en) * | 2018-08-23 | 2018-12-21 | 李伟 | A kind of internal pressure boosting method of large cavity press |
| CN109975338A (en) * | 2019-04-01 | 2019-07-05 | 四川大学 | A kind of 2-8 type high pressure loading device in situ neutron diffraction |
| CN109975338B (en) * | 2019-04-01 | 2021-12-07 | 四川大学 | 2-8 type high-pressure loading device for in-situ neutron diffraction |
| CN110499529A (en) * | 2019-08-28 | 2019-11-26 | 四川大学 | A kind of high temperature and pressure preparation of routine superconductor material tungsten phosphide (WP) |
| CN110499529B (en) * | 2019-08-28 | 2022-01-04 | 四川大学 | High-temperature high-pressure preparation of conventional superconductor material tungsten phosphide (WP) |
| CN111025055A (en) * | 2019-12-04 | 2020-04-17 | 四川大学 | Conductive medium and assembly part for high-stress and large-deformation environment and application of conductive medium and assembly part |
| CN111025055B (en) * | 2019-12-04 | 2021-09-21 | 四川大学 | Assembly part for high-stress and large-deformation environment and application thereof |
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