CN204625190U - A kind of man-made diamond synthesizer - Google Patents
A kind of man-made diamond synthesizer Download PDFInfo
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- CN204625190U CN204625190U CN201520143320.2U CN201520143320U CN204625190U CN 204625190 U CN204625190 U CN 204625190U CN 201520143320 U CN201520143320 U CN 201520143320U CN 204625190 U CN204625190 U CN 204625190U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
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Abstract
The utility model relate to a kind of man-made diamond synthesizer, comprise the stirring-type conveying tank for configuring raw material water slurry, for the high-pressure pump of pressurizeing to raw material water slurry, to the heat exchanger package that raw material water slurry heats, for providing the hydrogenation unit of pressurization liquid hydrogen, be converted into the reaction unit of diamond crystal for the graphite simple substance that the reaction of raw material water slurry generated, for storing the hold tank of the diamond crystal of being discharged by reaction unit, and carry out for the mixed gas that accepts from described reaction unit the separator that hydrocarbon mixture liquid is separated with water vapor.The utility model adopt can under the effect of supercritical water, catalyzer and hydrogen diamond synthesis, compared with existing High Temperature High Pressure production technique, greatly reduce synthesis temperature and pressure, and can continuous charging and discharging, improve the quality of product simultaneously.
Description
Technical field
The utility model relates to a kind of diamond production equipment, specifically a kind of man-made diamond synthesizer.
Background technology
Diamond also claims diamond, all has larger specific demand in life and in industry.Natural diamond resource is more scarce, can not meet the demand of people far away, and on industrial history, people have carried out the exploration of various man-made diamond method.
In nineteen fifties, finally have developed in High Temperature High Pressure (T:1300 ~ 1400 DEG C; P:6 × 10
6~ 7 × 10
6kPa) and under the condition having a catalyzer, graphite can be made to be converted into adamantine method.But use the diamond grit of the method synthesis little, be only suitable for abrasive substance etc. and apply more among a small circle, and this static HP-HT synthesize technique can not continuous seepage, efficiency is low, and cost is high, and industrial application is extremely restricted.
Along with the development of present information industry, diamond has been proved to be has excellent semiconductor heat conductiovity energy, and there is stability and radiation resistance, its various aspects of performance is all better than the conventional silicon semiconductor used, and makes diamond become the generation information Industrial materials of substituted for silicon.Through studying for a long period of time, explore a kind of production method of Formation of Vapor deposition Diamond Film at present.Its principle makes carbon atom directly be piled into diamond thin in the gas phase.This technological process is, passes into rare gas (H under DC electrolysis condition
2+ Ar) form gaseous environment, add graphite simultaneously, under electrolysis and gas phase action, form plasma body, be deposited on the matrix of 950 DEG C, synthesize diamond thin.The production that this technology can be the man-made diamond of information industry application hews out a new way.But this novel process operation easier is large, and technology and equipment are still immature, also among further researching and developing.
Utility model content
The purpose of this utility model is just to provide a kind of man-made diamond synthesizer, for artificial adamantine production provides good working condition, realizes the suitability for industrialized production of man-made diamond.
The utility model is achieved in that a kind of man-made diamond synthesizer, comprising:
Stirring-type conveying tank, connects with high-pressure pump, for configuring raw material water slurry and to described high-pressure pump feed;
High-pressure pump, connects with described stirring-type conveying tank and heat exchanger package respectively, for pressurizeing to raw material water slurry;
Heat exchanger package, connected to form by First Heat Exchanger and the second interchanger, described First Heat Exchanger connects with described high-pressure pump, and described second interchanger connects with reaction unit; Described First Heat Exchanger is elementary heating, utilizes system waste heat raw material water slurry can be heated to 100 ~ 200 DEG C, and can accept the heat exchange of the water vapor from separator; Described second interchanger is secondary heating, utilizes external heat energy the raw material water slurry of elementary heating can be heated to 350 ~ 450 DEG C;
Hydrogenation unit, connects with reaction unit, is input in reaction unit after being pressurizeed by liquid hydrogen;
Reaction unit, connects with described second interchanger, described hydrogenation unit, hold tank and separator respectively, by conditions such as temperature, pressure, catalyzer and hydrogen thermal responses, the reaction of raw material water slurry is generated diamond crystal and hydro carbons mixed gas;
Hold tank, connects with described reaction unit, for storing the diamond crystal of being discharged by reaction unit; And
Separator, connects with described reaction unit and described First Heat Exchanger respectively, for accepting the hydro carbons mixed gas from described reaction unit, and carries out being separated of hydrocarbon mixture liquid and water vapor.
Described reaction unit bottom end outlet place and described hold tank bottom end outlet place are all provided with bleeder valve.The diameter of described reaction unit and height ratio are 1:20.
The hydrogenation machine that described hydrogenation unit comprises liquid hydrogen tank and is connected with described liquid hydrogen tank.
Say according to the overcritical metallogeny of the adamantine earth, in early days in earth movement, adamantine formation is under the great pressure of earth interior, the water and the Mishuling magma zone that make to be in Earth produce high temperature and pressure simultaneously, and form supercutical fluid, in diffusion motion, with hydrogen thermal response, make the recurring structure type conversion under this condition of carbon class (graphite) material, and be melted in supercutical fluid, flow in rock crevice with fluid, when the fluid moved rises in closer location, earth's crust surface, because decompression stops diffusion, the diamond simple substance assembling deposition in a fluid becomes crystal and solidifies in rock.Natural diamond is the result producing series of physical and chemical transformation in earth movement.Based on above principle, carbon (graphite) is reduced the envrionment conditions becoming ore deposit in diamond, it is feasible for producing natural type diamond.Supercutical fluid diamond synthesis device of the present utility model can realize this imagination.
Water, under supercritical state (T>374 DEG C, P>22.1MPa), has higher diffusibility and dissolving power.In very short time, the metal in mineral, part inorganics and all organism etc. can be dissolved or transform.Utilize this good characteristic of supercritical water, design and graphitiferous water slurry can be forced into 40 ~ 55MPa, be heated to the ultra supercritical scope of 600 ~ 750 DEG C, under the catalysis and hydrogen supply of catalyzer, produce catalytic hydrogenation, under this response behaviour, graphite can recurring structure sex reversal in 1 ~ 4min, diamond elemental crystal is converted into by graphite simple substance, simultaneously, crystal melted by the ultra supercritical aqueous fusion under High Temperature High Pressure and be gathered into pearl deposition, and the mixed gas of other organism and water from reaction vessel upper part from.
Its W-response principle is:
Due to the extremely strong diffusive force of supercritical water, solvency power and avidity effect, and the transformation of every physical chemistry process such as early stage art breading, catalyst, hydro-reduction etc., make that original aging method is temperature required to be greatly diminished with pressure condition, and transformation time also shortens greatly.After the textural property conversion of graphite, generation melting and gathering are the results of intermolecular generation interaction force, and the Van der Waals force produced, can, under this temperature, pressure condition, make crystal reach quality and the granularity of anticipation.
Stirring-type conveying tank in the utility model, for the configuration of raw material water slurry, and to high-pressure system feed in stirring.High-pressure pump have employed diaphragm type high-pressure pump, is suitable for the pressurization of being with material water slurry, pressurization scope 1 ~ 60MPa.Heat exchanger package comprises First Heat Exchanger and the second interchanger, First Heat Exchanger is elementary heating, raw material water slurry can be added 100 ~ 200 DEG C, and can accept the water vapor heat exchange from separator, second interchanger is secondary heating, raw material water slurry can be heated to 350 ~ 450 DEG C.Hydrogenation unit comprises connected liquid hydrogen tank and hydrogenation machine, liquid hydrogen can be forced into 1 ~ 60MPa.Reaction unit is Multilayer sleeve high pressure vessel, and the diameter of reaction unit and height ratio are 1:20, and this ratio is suitable for the reaction times of material, and reaction unit bottom end outlet place establishes discharge valve, can carry out intermittent take-off.Hold tank in the utility model is high pressure resistant (normal temperature) tank body, and for storing the material entered, hold tank bottom end outlet place arranges discharge valve; Separator is decompression separation device, and for the separation of hydrocarbon mixture, the structure in separator designs for heat exchange type, and the Lower Half of separator interior is provided with heat exchange pipe, can promote being separated of water vapor and hydrocarbon mixture liquid.
Because supercritical water can the character of continuous flow, the fluid that material can be made to deliver is uninterrupted, forms consecutive production, and is suitable for Automated condtrol.Design of the present utility model have employed the array configuration of feed, pressurization, hydrogenation, reaction and separation system, independent separately, is interconnected, cooperatively interacts.
The utility model tool has the following advantages:
(1) superhigh-temperature and-pressure of native system and resistance to hydrogen attack condition, can meet the normal manufacture scope of third category vessel;
(2) native system global design is reasonable, and floor space is little, facility compact, can realize Automated condtrol, can continuous seepage;
(3) save the energy, after normal operation, external energy sources for heating (namely stopping the running of the second interchanger) can be stopped;
(4) reaction unit can carry out with product separation simultaneously;
(5) in separator, heat exchange structure can effectively separating hydrocarbons mixture and water vapor;
(6) waste heat can be utilized in First Heat Exchanger to carry out elementary heating to material;
(7) separated catalyzer and water purification can be recycled.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, stirring-type conveying tank, 2, high-pressure pump, 3, pressure piping, 4, heat exchanger package, 4-1, First Heat Exchanger, 4-2, the second interchanger, 5, hydrogenation unit, 5-1, liquid hydrogen tank, 5-2, hydrogenation machine, 6, reaction unit, 7, hold tank, 8, separator, 9, heat exchange pipe.
Embodiment
As shown in Figure 1, in the utility model, stirring-type conveying tank 1 connects with high-pressure pump 2, and high-pressure pump 2 connects with stirring-type conveying tank 1 and heat exchanger package 4.Heat exchanger package 4 is connected to form by First Heat Exchanger 4-1 and the second interchanger 4-2, and First Heat Exchanger 4-1 connects with high-pressure pump 2, and the second interchanger 4-2 connects with reaction unit 6; First Heat Exchanger 4-1 is elementary heating, utilizes system waste heat raw material water slurry can be heated to 100 ~ 200 DEG C, and can accept the heat exchange of the water vapor from separator 10; Second interchanger 4-2 is secondary heating, utilizes external heat energy the raw material water slurry of elementary heating can be heated to 350 ~ 450 DEG C.Hydrogenation unit 5 connects with reaction unit 6, is input in reaction unit 6 after being pressurizeed by liquid hydrogen; Reaction unit 6 connects with the second interchanger 4-2, hydrogenation unit 5, hold tank 7 and separator 8 respectively, by conditions such as temperature, pressure, catalyzer and hydrogen thermal responses, the reaction of raw material water slurry is generated diamond crystal and hydro carbons mixed gas; Hold tank 7 connects with reaction unit 6, for storing the diamond crystal of being discharged by reaction unit 6; Separator 8 connects with reaction unit 6 and First Heat Exchanger 4-1 respectively, for accepting the hydro carbons mixed gas from described reaction unit 6, and carries out being separated of hydrocarbon mixture liquid and water vapor.
As shown in Figure 1, in the utility model, stirring-type conveying tank 1 is stainless steel Φ 500mm, high 1000mm; High-pressure pump 2 is diaphragm type high-pressure pump, pressure range 1 ~ 60MPa, supply flow 0.30.4t/h.Interchanger is 2, and namely First Heat Exchanger 4-1 and the second interchanger 4-2, First Heat Exchanger 4-1 are steam heating, heat exchange scope 100 ~ 200 DEG C, and the second interchanger 4-2 is resistance-type Infrared Heating, heated perimeter 300 ~ 500 DEG C.Reaction unit 6 selects telescopic 2 ~ 3 layer of three class high pressure vessel, its air retaining wall is the resistant to elevated temperatures special substance of anti-hydrogen attack, the diameter of reaction unit 6 is 1:20 with height ratio, the bottom of reaction unit 6 is taper, exit bottom reaction unit 6 arranges bleeder valve, the outlet at bottom of reaction unit 6 and the open communication at hold tank 7 top; Bleeder valve is high voltage type Special valve, can automatically control to open.Hold tank 7 is circular pressure-resistant container, and because using single layer structure without temperature requirement, withstand voltage is≤60MPa.Separator 10 is heatproof≤250 DEG C, the pressurized vessel of withstand voltage≤15MPa, for Long Circle, the Lower Half of separator 8 inside establishes vertical-shaped heat exchange pipe 9 in order to heat exchange, it is taper bottom separator 8, separator bottom center has lower outlet, is used for discharging hydro carbons mixing liquid, and separator 8 upper outlet is connected with First Heat Exchanger 4-1.Hydrogenation unit 5 is independent operating system, and connected to form by liquid hydrogen tank 5-1 and hydrogenation machine 5-2, the outlet of hydrogenation machine 5-2 is connected with the entrance of reaction unit 6.The water vapor that separator 8 top is discharged is by the elementary heating for raw material water slurry in pipeline input First Heat Exchanger 4-1.
When adopting the utility model synthesis of artificial diamond, by graphite raw material, catalyzer, Hydrocarbon Organic and water mixing match, stir-concoction through stirring conveying tank 1 becomes to be suitable for the water slurry that high-pressure pump 2 is carried, be delivered to high-pressure pump 2 and be forced into 22.1 ~ 25MPa, water slurry enters the again heating of heat exchanger package 4 through the elementary heating of First Heat Exchanger 4-1 and the second interchanger 4-2, water slurry temperature is risen to 350 ~ 450 DEG C, treat that water slurry enters in reaction unit 6, start hydrogenation unit 5 under certain condition and add liquid hydrogen with pressure in reaction unit 6, make to produce hydrogen thermal response in reaction unit 6.Temperature in reaction unit 6 rises to rapidly 600 ~ 750 DEG C, pressure reaches 40 ~ 55MPa, form supercritical state, high-pressure pump 2 and hydrogenation machine 5-2 adjust force value with reaction pressure simultaneously, reaction process is in from running condition, second interchanger 4-2 shuts down, after 1 ~ 4 minute reaction times, the metal simple-substance be reduced in catalyzer is deposited on bottom reaction unit 6 along with the diamond particles be synthesized, the bleeder valve interval arranged by reaction unit 6 outlet at bottom place enters in hold tank 7, is then discharged outside hold tank 7 by interval.Hydrocarbon Organic in raw material forms hydro carbons mixed gas after hydrogen thermal response, and the upper outlet along with water vapor together autoreaction device 6 drains in separator 8; The outlet at bottom place of hydrocarbon mixture self-separation device 8 discharges through decompression separation by the mixed gas entering separator 8, and self-separation device 8 upper outlet such as water vapor enter in First Heat Exchanger 4-1.Water vapor discharges water purification and innocuous gas after heat exchange.The water purification of discharging can become raw material water slurry for next time with material allocation.
Claims (4)
1. a man-made diamond synthesizer, is characterized in that, comprising:
Stirring-type conveying tank, connects with high-pressure pump, for configuring raw material water slurry and to described high-pressure pump feed;
High-pressure pump, connects with described stirring-type conveying tank and heat exchanger package respectively, for pressurizeing to raw material water slurry;
Heat exchanger package, connected to form by First Heat Exchanger and the second interchanger, described First Heat Exchanger connects with described high-pressure pump, and described second interchanger connects with reaction unit; Described First Heat Exchanger is elementary heating, and described second interchanger is secondary heating;
Hydrogenation unit, connects with reaction unit, is input in reaction unit after being pressurizeed by liquid hydrogen;
Reaction unit, connects with described second interchanger, described hydrogenation unit, hold tank and separator respectively;
Hold tank, connects with described reaction unit, for storing the diamond crystal of being discharged by reaction unit; And
Separator, connects with described reaction unit and described First Heat Exchanger respectively.
2. man-made diamond synthesizer according to claim 1, is characterized in that, described reaction unit bottom end outlet place and described hold tank bottom end outlet place are all provided with bleeder valve.
3. man-made diamond synthesizer according to claim 1 and 2, is characterized in that, the diameter of described reaction unit and height ratio are 1:20.
4. man-made diamond synthesizer according to claim 1, is characterized in that, the hydrogenation machine that described hydrogenation unit comprises liquid hydrogen tank and is connected with described liquid hydrogen tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520143320.2U CN204625190U (en) | 2015-03-13 | 2015-03-13 | A kind of man-made diamond synthesizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520143320.2U CN204625190U (en) | 2015-03-13 | 2015-03-13 | A kind of man-made diamond synthesizer |
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| Publication Number | Publication Date |
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| CN204625190U true CN204625190U (en) | 2015-09-09 |
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ID=54044239
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520143320.2U Expired - Fee Related CN204625190U (en) | 2015-03-13 | 2015-03-13 | A kind of man-made diamond synthesizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112169707A (en) * | 2019-07-02 | 2021-01-05 | 深圳市智合碳硅科技有限公司 | Preparation method and reaction system of high-grade artificial diamond |
-
2015
- 2015-03-13 CN CN201520143320.2U patent/CN204625190U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112169707A (en) * | 2019-07-02 | 2021-01-05 | 深圳市智合碳硅科技有限公司 | Preparation method and reaction system of high-grade artificial diamond |
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| 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: 20150909 Termination date: 20210313 |
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| CF01 | Termination of patent right due to non-payment of annual fee |