CN206911301U - Gem Grade large single crystal diamond Multicarity composite structure - Google Patents
Gem Grade large single crystal diamond Multicarity composite structure Download PDFInfo
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- CN206911301U CN206911301U CN201720765288.0U CN201720765288U CN206911301U CN 206911301 U CN206911301 U CN 206911301U CN 201720765288 U CN201720765288 U CN 201720765288U CN 206911301 U CN206911301 U CN 206911301U
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Abstract
The utility model belongs to superhard material synthesis technical field, more particularly to a kind of Gem Grade large single crystal diamond Multicarity composite structure, comprising the block for transmitting pressure provided with assembling chamber, assembling intracavitary is provided with insulator, and insulator upper and lower ends are symmetrically arranged with conductive plug component；Insulator offers multiple cylinder synthesis chambers, and cylinder synthesis chamber height is consistent with dielectric height；Cylinder synthesis intracavitary is provided with large single crystal growth component.The utility model is simple in construction, novel in design reasonable, by using Multicarity heating arrangement, can realize that the long-time of cavity inner temperature balances, it is ensured that synthesizes the required temperature difference and keeps stable, so that Gem Grade large single crystal realizes that long-time closes high-quality growth；Each bulky diamond carbon source skewness of former growth pattern is avoided, diamond film mutually fights for carbon source, the situation that the speed of growth differs, the uniform effective supply of carbon source of a particle in cavity can be achieved, so as to realize the uniformity of granularity and high-quality growth.
Description
Technical field
The utility model belongs to superhard material synthesis technical field, more particularly to a kind of Gem Grade large single crystal diamond multi-cavity
Body composite structure.
Background technology
With the development of science and technology, temperature differential method large single crystal synthetic technology is increasingly mature, but conventional synthetic method with
Calandria is set inside block for transmitting pressure, the method that insulator and synthetic medium are set inside calandria, carried out due to heating by outside,
The temperature difference certainly will be produced during heat inwardly transmits, and as this temperature difference of the expansion of synthetic cavity is also stepped up,
Therefore inherent shortcoming existing for this mode of heating so that central temperature and peripheral temperature have larger difference, so result in
Periphery and internal difference in temperature are inconsistent, and so as to cause diamond to be difficult to homoepitaxial, particle size differences are larger, strongly limit bulky grain
The synthesis of diamond and high-quality growth.
The content of the invention
For deficiency of the prior art, the utility model provides a kind of Gem Grade large single crystal diamond Multicarity synthesis knot
Structure, simple in construction, novel in design, reasonable, stability is good, it can be ensured that the uniformity of synthetic cavity temperature, pressure field, for big list
The high-quality growth of brilliant long-time provides good condition, so as to realize the high-quality synthesis of Gem Grade bulky grain.
According to design provided by the utility model, a kind of Gem Grade large single crystal diamond Multicarity composite structure,
Comprising the block for transmitting pressure provided with assembling chamber, assembling intracavitary is provided with insulator, and insulator upper and lower ends are symmetrically arranged with conductive plug
Component；Insulator offers multiple cylinder synthesis chambers, and cylinder synthesis chamber height is consistent with dielectric height；Cylinder is closed
Large single crystal growth component is provided with coelosis.
Above-mentioned, described large single crystal growth component includes brilliant bed, catalyst sheet, carbon source, pressure transmission piece, insulation tube and heating
Pipe, brilliant bed, catalyst sheet, carbon source and pressure transmission piece are set in turn in cylinder synthesis intracavitary from the bottom to top, and insulation tube bag is located at carbon source
And catalyst sheet periphery is placed between pressure transmission piece and brilliant bed, heating tube bag is located at the periphery of pressure transmission piece, insulation tube and brilliant bed；Heating
Pipe height is equal with the height sum of pressure transmission piece, carbon source, catalyst sheet and brilliant bed, heating tube height and cylinder synthesis chamber height one
Cause.
Preferably, described conductive plug component includes heating plate, sheet metal and the conductive plug set gradually；Heating plate
It is connected with heating tube.
Above-mentioned, described heating plate is the laminated structure formed by graphite rod cutting.
Above-mentioned, described heating tube is the pipe structure formed by graphite rod car system, and body pipe thickness size is 1.2
~2.0mm。
Above-mentioned, described insulator is the cylinder formed by sodium chloride powder, Zirconium oxide powder mixing compacting.
Above-mentioned, the outer wall thickness of cylinder synthesis chamber is 2 ~ 10mm；Spacing between adjacent column shape synthesis chamber for 2 ~
6mm。
The beneficial effects of the utility model：
The utility model is simple in construction, novel in design, reasonable, by using Multicarity heating arrangement, effectively solves synthesis
The cavity temperature difference is unbalanced, diamond is difficult to the problem grown up, can realize the long-time balance of cavity inner temperature, it is ensured that synthesis institute
The temperature difference needed keeps stable, so that Gem Grade large single crystal is realized closes high-quality growth for a long time；It is each to avoid former growth pattern
Bulky diamond carbon source skewness, diamond film mutually fight for carbon source, the situation that the speed of growth differs, cavity can be achieved
The uniform effective supply of carbon source of interior individual particle, so as to realize the uniformity of granularity and high-quality growth；Using insulator and synthesis
Cavity combining structure, the uniformity of pressure transmission and heated uniformity in building-up process are substantially increased, so as to for for a long time
Synthesis provides guarantee, meanwhile, the consumption of electric power and energy is saved, reduces cost；1-5 carat level large single crystals can be realized
Stablize high-quality synthesis, the diamond that breaks traditions mining method for separating, to green production substitute rough diamond technical field have
It is significant.
Brief description of the drawings：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is large single crystal growth component structure diagram of the present utility model；
Fig. 3 is insulator structure schematic diagram of the present utility model.
Embodiment：
Label in figure, label 1 represent conductive plug, and label 2 represents sheet metal, and label 3 represents heating plate, and label 4 represents
Block for transmitting pressure, label 5 represent insulator, and label 6 represents cylinder synthesis chamber, and label 7 represents pressure transmission piece, and label 8 is carbon source, label
9 be catalyst sheet, and label 10 represents brilliant bed, and label 11 represents insulation tube, and label 12 represents heating tube.
The utility model is described in further detail with technical scheme below in conjunction with the accompanying drawings, and by preferably implementing
Example describes embodiment of the present utility model in detail, but embodiment of the present utility model is not limited to this.
Embodiment, referring to shown in Fig. 1 ~ 3, a kind of Gem Grade large single crystal diamond Multicarity composite structure, comprising provided with group
The block for transmitting pressure behaveing affectedly, assembling intracavitary are provided with insulator, and insulator upper and lower ends are symmetrically arranged with conductive plug component；Insulator
Multiple cylinder synthesis chambers are offered, cylinder synthesis chamber height is consistent with dielectric height；Cylinder synthesis intracavitary is set
There is large single crystal growth component.By using Multicarity heating arrangement, effective solution synthetic cavity temperature difference is unbalanced, diamond is difficult to
The problem grown up, the long-time balance of cavity inner temperature can be realized, it is ensured that synthesize the required temperature difference and keep stable, so that precious
Stone step large single crystal is realized closes high-quality growth for a long time；Each bulky diamond carbon source skewness of former growth pattern is avoided,
Diamond film mutually fights for carbon source, the situation that the speed of growth differs, and the carbon source that a particle in cavity can be achieved uniformly effectively supplies
Give, so as to realize the uniformity of granularity and high-quality growth.
Above-mentioned, as shown in Fig. 2 described large single crystal growth component includes brilliant bed, catalyst sheet, carbon source, pressure transmission piece, insulation
Pipe and heating tube, brilliant bed, catalyst sheet, carbon source and pressure transmission piece are set in turn in cylinder synthesis intracavitary, insulation tube bag from the bottom to top
It is placed in located at carbon source and catalyst sheet periphery between pressure transmission piece and brilliant bed, heating tube bag is located at pressure transmission piece, insulation tube and brilliant bed
Periphery；Heating tube height is equal with the height sum of pressure transmission piece, carbon source, catalyst sheet and brilliant bed, and heating tube height is closed with cylinder
Coelosis is highly consistent.
Preferably, described conductive plug component includes heating plate, sheet metal and the conductive plug set gradually；Heating plate
It is connected with heating tube.
Above-mentioned, described heating plate is the laminated structure formed by graphite rod cutting.
Above-mentioned, described heating tube is the pipe structure formed by graphite rod car system, and body pipe thickness size is 1.2
~2.0mm。
Above-mentioned, described insulator is the cylinder formed by sodium chloride powder, Zirconium oxide powder mixing compacting.
Above-mentioned, the outer wall thickness of cylinder synthesis chamber is 2 ~ 10mm；Spacing between adjacent column shape synthesis chamber for 2 ~
6mm。
Insulator is mixed with thin and tall pure NaCl powder, Zirconium oxide powder, suppresses insulated column；As shown in figure 3, will be through height
Temperature baking insulated column punched by design, be fabricated to insulator with holes, the quantity in hole depending on actual job demand, its
In, the aperture of insulator and height can adjust accordingly according to cavity size, but total body opening outer wall thickness is not less than 2mm；Hole
Between minimum spacing be not less than 2mm；Heating tube is entered driving system by high purity graphite rod and formed, and wall thickness 1.2-2.0mm, heating tube is loaded
In insulator, equidistant arrangement；Height is concordant with insulator, and bottom right is set gradually upwards inside heating cavity：Brilliant bed piece-insulation
Pipe-catalyst sheet-graphite flake-insulating trip-pressure transmission piece, total height are concordant with heating tube；Insulator after combination and heating are synthesized
Unit, it is fitted into block for transmitting pressure, heating carbon plate, sheet metal and conductive plug is symmetrically sequentially provided with the both ends of assembled unit；Composition
Multi-cavity structure Synthetic block.The block is placed in HTHP forcing press, in temperature 1500-2400 degree, pressure 5.8-6.5Gpa
Under the conditions of, run time 240h-1000h, even-grained bulky grain Gem Grade monocrystalline can be obtained, can effectively be solved using the structure
Certainly synthetic cavity temperature field is uneven, large single crystal granularity is difficult to the problem grown up with particle size distribution, and it is precious that simple grain 3--5ct can be achieved
The high-quality growth of stone step large single crystal, it is significant to effectively control and raising monocrystalline quality and granularity.
The utility model is not limited to above-mentioned embodiment, and those skilled in the art can also make a variety of changes accordingly
Change, but any change equivalent or similar with the utility model should all be covered in the range of the utility model claims.
Claims (7)
1. a kind of Gem Grade large single crystal diamond Multicarity composite structure, include the block for transmitting pressure provided with assembling chamber, it is characterised in that
Assembling intracavitary is provided with insulator, and insulator upper and lower ends are symmetrically arranged with conductive plug component；Insulator offers multiple circles
Cylindricality synthesizes chamber, and cylinder synthesis chamber height is consistent with dielectric height；Cylinder synthesis intracavitary is provided with large single crystal growth
Component.
2. Gem Grade large single crystal diamond Multicarity composite structure according to claim 1, it is characterised in that described is big
Crystal growth component includes brilliant bed, catalyst sheet, carbon source, pressure transmission piece, insulation tube and heating tube, brilliant bed, catalyst sheet, carbon source and pressure transmission
Piece is set in turn in cylinder synthesis intracavitary from the bottom to top, insulation tube bag located at carbon source and catalyst sheet periphery be placed in pressure transmission piece and
Between brilliant bed, heating tube bag is located at the periphery of pressure transmission piece, insulation tube and brilliant bed；Heating tube height and pressure transmission piece, carbon source, catalyst sheet
And the height sum of brilliant bed is equal, heating tube height and cylinder synthesis chamber are highly consistent.
3. Gem Grade large single crystal diamond Multicarity composite structure according to claim 1 or 2, it is characterised in that described
Conductive plug component include the heating plate, sheet metal and the conductive plug that set gradually；Heating plate is connected with heating tube.
4. Gem Grade large single crystal diamond Multicarity composite structure according to claim 3, it is characterised in that：The heating
Piece is the laminated structure formed by the cutting of high purity graphite carbon-point.
5. Gem Grade large single crystal diamond Multicarity composite structure according to claim 3, it is characterised in that：The heating
Pipe is the pipe structure formed by high purity graphite carbon-point car system, and the thickness of its body tube wall is 1.2~2.0mm.
6. Gem Grade large single crystal diamond Multicarity composite structure according to claim 1, it is characterised in that described is exhausted
Edge body is the cylinder formed by sodium chloride powder, Zirconium oxide powder mixing compacting.
7. Gem Grade large single crystal diamond Multicarity composite structure according to claim 1, it is characterised in that cylinder is closed
The outer wall thickness of coelosis is 2 ~ 10mm；Spacing between adjacent column shape synthesis chamber is 2 ~ 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720765288.0U CN206911301U (en) | 2017-06-28 | 2017-06-28 | Gem Grade large single crystal diamond Multicarity composite structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720765288.0U CN206911301U (en) | 2017-06-28 | 2017-06-28 | Gem Grade large single crystal diamond Multicarity composite structure |
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| Publication Number | Publication Date |
|---|---|
| CN206911301U true CN206911301U (en) | 2018-01-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107115825A (en) * | 2017-06-28 | 2017-09-01 | 河南省力量钻石股份有限公司 | A kind of Gem Grade large single crystal diamond Multicarity composite structure and its preparation method and application |
-
2017
- 2017-06-28 CN CN201720765288.0U patent/CN206911301U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107115825A (en) * | 2017-06-28 | 2017-09-01 | 河南省力量钻石股份有限公司 | A kind of Gem Grade large single crystal diamond Multicarity composite structure and its preparation method and application |
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