CN202212167U - Novel synthesized block - Google Patents
Novel synthesized block Download PDFInfo
- Publication number
- CN202212167U CN202212167U CN2011202733210U CN201120273321U CN202212167U CN 202212167 U CN202212167 U CN 202212167U CN 2011202733210 U CN2011202733210 U CN 2011202733210U CN 201120273321 U CN201120273321 U CN 201120273321U CN 202212167 U CN202212167 U CN 202212167U
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- graphite
- post
- heat
- cavity
- electrode rod
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Abstract
The utility model discloses a novel synthesized block, which comprises a graphite column, conductive steel rings, barrel-shaped dolomite blocks and pyrophyllite blocks. The conductive steel rings are arranged at two ends of the graphite column, the barrel-shaped dolomite blocks and the pyrophyllite blocks are disposed on the peripheries of the graphite column and the conductive steel rings, a cavity is axially arranged in the middle of the graphite column, and a graphite electrode bar is disposed in the cavity. When the novel synthesized block is conductively heated, current of the conductive steel rings is conducted via the graphite electrode bar, consequentially, heat is transferred to the graphite column, heat transfer efficiency is high, heat conducting speed is fast, heat loss is low, a synthesis effect is good, and synthesis quality can also be greatly improved.
Description
Technical field
The utility model belongs to the superhard material synthesis technical field, particularly a kind of novel synthetic piece.
Background technology
At present, in the synthetic field of superhard material, the mode of heating of diamond synthesis has two kinds: indirect and directly heating.Since 2000; The synthetic indirect that all adopts of domestic 90% diamond, the synthetic piece of indirect is graphite post, the graphite paper on the graphite post face of cylinder, the conducting steel ring at graphite post two ends and the blocks of being processed by graphite and catalyst mixed powder that the peripheral pressure transmission sealing medium of graphite post assembles according to certain way usually.Concrete assembling mode is: assembling successively from outside to inside; Peripheral pyrophyllite in lumps and the dolomite clinker of adopting is as the pressure transmission encapsulant; The conducting steel ring heating of switching on is adopted at two ends; Core is the graphite post, through conducting steel ring heat is reached the graphite post during energising, makes graphite and catalyst under the superhigh-temperature and-pressure condition, be converted into diamond.The shortcoming of above-mentioned synthetic piece is: electric current conducts electricity along graphite paper through the two ends conducting steel ring, and heat energy penetrates into graphite post core from outside to inside, reaches graphite and changes adamantine purpose into; Owing to inwardly transmit heat from the periphery; Heat transfer efficiency is slow, serious heat loss, and combined coefficient is low.
The utility model content
The purpose of the utility model provides a kind of novel synthetic piece that under HTHP, can not undergo phase transition, effectively reduce synthetic gauge pressure.
For realizing above-mentioned purpose; The technical scheme of the utility model is: a kind of novel synthetic piece; The conducting steel ring and graphite post and peripheral tubular dolomite clinker and the pyrophyllite in lumps of conducting steel ring that comprise graphite post, graphite post two ends; Said graphite post middle part axis direction is provided with cavity, is provided with the graphite electrode rod in the cavity.
Be provided with insulating cylinder between said graphite electrode rod and the graphite post.
Said graphite electrode rod both ends of the surface are provided with graphite flake.
Compared with prior art, the utility model has the advantages that: the utility model comprises conducting steel ring and the graphite post and the peripheral tubular dolomite clinker and the pyrophyllite in lumps of conducting steel ring at graphite post, graphite post two ends, and said graphite post middle part axis direction is provided with cavity; Be provided with the graphite electrode rod in the cavity, the graphite post adopts the graphite electrode rod conduction at middle part, and the graphite electrode rod is outside to be wrapped up with insulating cylinder; Be provided with graphite flake between graphite post two ends and the conducting steel ring; The electric current of conducting steel ring is delivered to the graphite post with heat then through the conducting of graphite electrode rod during conductive heater, and heat transfer efficiency is high; Heat-transfer rate is fast; Thermal loss is little, and synthetic effect is high, and synthetic quality also can improve greatly.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
Novel synthetic piece as shown in Figure 1; It comprises the conducting steel ring 2 at graphite post 1, graphite post 1 two ends and the tubular dolomite clinker 4 and pyrophyllite in lumps 3 of graphite post 1 and conducting steel ring 2 peripheries; Be provided with cavity at graphite post 1 middle part axis direction; Be provided with graphite electrode rod 5 in the cavity, be provided with insulating cylinder 6 between graphite electrode rod 5 and the graphite post 1, the both ends of the surface of graphite electrode rod 5 are provided with graphite flake 7.
In the utility model, graphite post 1 adopts graphite electrode rod 5 conductions at middle part, and graphite electrode rod 5 is outside with insulating cylinder 6 parcels; Be provided with graphite flake 7 between graphite post 1 two ends and the conducting steel ring 2, the electric current of conducting steel ring 2 is delivered to graphite post 1 with heat then through 5 conductings of graphite electrode rod during conductive heater; Heat transfer efficiency is high, and heat-transfer rate is fast, and thermal loss is little; Synthetic effect is high, and synthetic quality also can improve greatly.
Claims (3)
1. novel synthetic piece; The conducting steel ring and graphite post and peripheral tubular dolomite clinker and the pyrophyllite in lumps of conducting steel ring that comprise graphite post, graphite post two ends; It is characterized in that: said graphite post middle part axis direction is provided with cavity, is provided with the graphite electrode rod in the cavity.
2. novel synthetic piece as claimed in claim 1 is characterized in that: be provided with insulating cylinder between said graphite electrode rod and the graphite post.
3. according to claim 1 or claim 2 novel synthetic piece, it is characterized in that: said graphite electrode rod both ends of the surface are provided with graphite flake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202733210U CN202212167U (en) | 2011-07-29 | 2011-07-29 | Novel synthesized block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202733210U CN202212167U (en) | 2011-07-29 | 2011-07-29 | Novel synthesized block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202212167U true CN202212167U (en) | 2012-05-09 |
Family
ID=46011439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202733210U Expired - Fee Related CN202212167U (en) | 2011-07-29 | 2011-07-29 | Novel synthesized block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202212167U (en) |
-
2011
- 2011-07-29 CN CN2011202733210U patent/CN202212167U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120509 Termination date: 20140729 |
|
| EXPY | Termination of patent right or utility model |