CN105817181B - A kind of white diamond and manufacturing method - Google Patents
A kind of white diamond and manufacturing method Download PDFInfo
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- CN105817181B CN105817181B CN201610231972.0A CN201610231972A CN105817181B CN 105817181 B CN105817181 B CN 105817181B CN 201610231972 A CN201610231972 A CN 201610231972A CN 105817181 B CN105817181 B CN 105817181B
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- diamond
- powder
- catalyst sheet
- dolomite
- white
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/06—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/06—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies
- B01J3/062—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies characterised by the composition of the materials to be processed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2203/00—Processes utilising sub- or super atmospheric pressure
- B01J2203/06—High pressure synthesis
- B01J2203/0605—Composition of the material to be processed
- B01J2203/061—Graphite
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2203/00—Processes utilising sub- or super atmospheric pressure
- B01J2203/06—High pressure synthesis
- B01J2203/065—Composition of the material produced
- B01J2203/0655—Diamond
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Abstract
The invention discloses a kind of white diamond and manufacturing methods, it is made of a certain proportion of graphite rod core, catalyst sheet, and step is: A, preparing graphite rod core；B, by nickel powder, manganese powder, cobalt powder, ingredient, obtains a kind of mixture in proportion, and mixture is poured injection melting, tabletted；C, graphite rod core, catalyst sheet, diamond kind crystalline substance and synthesis auxiliary are assembled into Synthetic block；D, Synthetic block is placed in diamond synthesizing equipment and carries out compacting synthesis, and at the uniform velocity boosted, constant temperature and pressure pressure maintaining；Constant temperature is kept, then starts to cool down for the first time, is down to 5kw, is at the uniform velocity cooled down for the second time, be at the uniform velocity cooled to 4kw, shut down after heat preservation, obtains a kind of white diamond of synthesis.Easy to implement the method, easy to operate, formula is simple, and synthesis block structure is simple, and synthesis technology controls well adjusting, and white brill color is bright, and fire is color good, is suitble to volume production.
Description
Technical field
The invention belongs to diamond technical fields, are more particularly to a kind of white diamond, also relate to
A kind of artificial diamond fabrication method of white, in terms of it is suitable for jewellery, craftwork and ornament.
Background technique
Graphite becomes diamond in the case where high pressure and high temperature；In the prior art, the diamond of generation is all yellow,
But in practice in production, white diamond is more suitable for needing, and white diamond can be used as craftwork and ornament is used, mesh
The preceding method for directly synthesizing white structural diamond not yet.
There is chemical vapor deposition (cvd) method to prepare diamond at present, but yield is not high.In addition high temperature and pressure (hthp) legal system
Standby yellow diamond is used for diamond ring, and in life, people prefer to approach the rough diamond of white, the circulation in the market of allochromatic colour
It is also few.
Summary of the invention
The present invention is to be the provision of a kind of white diamond of synthesis, formula aiming at above-mentioned problem
Rationally, easy to use, since people like white diamond, what is circulated in the market is also white diamond mostly, but energy on the earth
The diamond raw ore of offer is limited, and artificial white diamond comes into being, and rhinestone is close with rough diamond, is all the homoatomic of carbon
Obform body, equally pure white and translucent, value preserving function having the same.
Another object of the present invention is to be the provision of a kind of manufacturing method for synthesizing white diamond, and method is easy
Row, easy to operate, advantage is to be formulated simply, and synthesis block structure is simple, and synthesis technology is adjusted well, and white brill yield is high.
In order to achieve the above purpose, the present invention uses following technical measures:
A kind of white diamond of synthesis, it is made of raw material from the following weight:
Parts by weight of raw materials
Graphite rod core 45-75g
Catalyst sheet 25-55g.
Wherein: catalyst sheet is nickel powder, manganese powder, cobalt powder；
Nickel powder 55-85g
Manganese powder 12-35g
Cobalt powder 3-10g.
A kind of white diamond of synthesis, it is made of raw material from the following weight (preferred scope):
Parts by weight of raw materials
Graphite rod core 50-70g
Catalyst sheet 30-50g
Wherein: catalyst sheet is nickel powder, manganese powder, cobalt powder；
Nickel powder 58-82%
Manganese powder 14-33%
Cobalt powder 4-9%.
A kind of white diamond of synthesis, it is made of raw material from the following weight (preferable range):
Parts by weight of raw materials
Graphite rod core 55-65g
Catalyst sheet 35-45g
Wherein: catalyst sheet is nickel powder, manganese powder, cobalt powder；
Nickel powder 60-80%
Manganese powder 15-32%
Cobalt powder 5-8%.
A kind of white diamond of synthesis, it is made of raw material from the following weight (best range):
Parts by weight of raw materials
Graphite rod core 58-62g
Catalyst sheet 38-42g
Wherein: catalyst sheet is nickel powder, manganese powder, cobalt powder；
Nickel powder 65-75%
Manganese powder 19-30%
Cobalt powder 6-7%.
A kind of white diamond of synthesis, it is made of raw material from the following weight (most preferably just):
Parts by weight of raw materials
Graphite rod core 60g
Catalyst sheet 40g
Wherein: catalyst sheet is nickel powder, manganese powder, cobalt powder；
Nickel powder 70%
Manganese powder 25%
Cobalt powder 5%.
A kind of manufacturing method synthesizing white diamond, the steps include:
A, graphite rod core is prepared；
B, by nickel powder, manganese powder, cobalt powder, ingredient, obtains a kind of mixture in proportion, and mixture is poured injection melting, pressure
Piece is made；It is catalyst sheet, plays catalyst action.
C, graphite rod core, catalyst sheet, diamond kind crystalline substance and synthesis auxiliary are assembled into Synthetic block.Diamond kind crystalline substance is crystal form
Complete six-octahedra diamonds, Synthetic block attachment is by band diamond kind crystalline substance white clouds flag, catalyst sheet, graphite centre rod, white
Marble cup, white clouds madreporic canal, heat-generating pipe, band dolomite plug, iron plate, heating graphite piece, dolomite cushion block, pyrophyllite in lumps composition close
It is blocking.Synthetic block assembling is as follows: three layers of catalyst sheet is connected below graphite centre rod, catalyst sheet lower surface embeds diamond kind crystalline substance
Dolomite.The dolomite composition synthesis column of graphite centre rod, three layers of catalyst sheet and embedded diamond kind crystalline substance.It is cased with outside synthesis column white
Marble cup, dolomite cup upper end connect heating graphite piece, and heating graphite piece connects iron plate；Dolomite cup lower end connects dolomite pad
Block, dolomite cushion block connect heating graphite piece, and heating graphite piece connects iron plate, and entire connection is external to be cased with dolomite pipe, white clouds
Heat-generating pipe is cased with outside madreporic canal, heat-generating pipe both ends connect plug, and outside covers pyrophyllite block again.
D, Synthetic block is placed in diamond synthesizing equipment and carries out compacting synthesis, averagely boost to 32- in 1~90 second
35MPa, and at the uniform velocity boosting, at the uniform velocity boosts to 81.5-83.5MPa in 280-320 seconds, and constant temperature and pressure pressure maintaining 22-26 hours；Together
When, in 80-100 seconds 22-26 hours, started to warm up when from 28-32 seconds, temperature-rise period is 280-320 seconds, is at the uniform velocity warming up to
Then 5.6kw is kept for constant temperature 300 seconds, then start to cool down for the first time, first time temperature fall time is 28-32 seconds, is down to 5kw, so
After at the uniform velocity cooled down for the second time, temperature fall time is 22-26 point, is at the uniform velocity cooled to 4kw, and heat preservation is shut down after 28-32 minutes.It obtains
A kind of white diamond of synthesis.
Compared with prior art, the present invention having the following advantages that and effect:
A kind of manufacturing method synthesizing white diamond, easy to implement the method, easy to operate, advantage is to be formulated simply,
Synthesis block structure is simple, and synthesis technology controls well adjusting, and white brill color is bright, and fire is color good, is suitble to volume production.
Detailed description of the invention
Fig. 1 is graphite rod core, and catalyst sheet, diamond kind crystalline substance and synthesis auxiliary are assembled into the schematic diagram of Synthetic block.
Fig. 2 is the diamond photo that embodiment 1 produces.
Fig. 3 is the diamond photo that embodiment 2 produces
Specific embodiment
Below with reference to embodiment, the invention will be further described:
Embodiment 1:
A kind of white diamond of synthesis, it is made of raw material from the following weight:
Parts by weight of raw materials
Graphite rod core 68g
Catalyst sheet 32g
Wherein: catalyst sheet is nickel powder, manganese powder, cobalt powder；
Nickel powder 70%
Manganese powder 25%
Cobalt powder 5%.
A kind of manufacturing method synthesizing white diamond, the steps include:
A, graphite rod core (being process using EXT graphite material, those skilled in the art can prepare) is prepared；
B, by nickel powder, manganese powder, cobalt powder, ingredient, obtains a kind of mixture in proportion, and mixture is poured injection melting, pressure
Piece is made；It is catalyst sheet, plays catalyst action.
C, graphite rod core, catalyst sheet, diamond kind crystalline substance and synthesis auxiliary are assembled into Synthetic block.Diamond kind crystalline substance is crystal form
Complete six-octahedra diamonds, Synthetic block auxiliary is by band diamond kind crystalline substance white clouds flag, catalyst sheet, graphite centre rod, white
Marble cup, white clouds madreporic canal, heat-generating pipe, band dolomite plug, iron plate, heating graphite piece, dolomite cushion block, pyrophyllite in lumps composition.
D, Synthetic block is placed in J23-800 type cubic hinge press and is synthesized, 0 or 10 or 20 or 30 or 40 or 50
Or 32 or 33 or 34 or 35MPa are averagely boosted in 60 or 70 or 80 or 90 seconds, and at the uniform velocity boost, 280 or 290 or 300 or 310
Or 81.5 or 82.5 or 83.5MPa are at the uniform velocity boosted in 320 seconds, constant temperature and pressure pressure maintaining 22 or 23 or 24 or 25 or 26 hours；Together
When, in 80 or 90 or 100 seconds 22 or 23 or 24 or 25 or 26 hours, started to warm up when from 28 or 29 or 30 or 31 or 32 seconds,
Temperature-rise period is 280 or 290 or 300 or 310 or 320 seconds, is at the uniform velocity warming up to 5.6kw, then keeps constant temperature 280 or 290 or 300
Or 310 or 320 seconds, then starting to cool down for the first time, first time temperature fall time is 28 or 29 or 30 or 31 or 32 seconds, it is down to 5kw,
Then at the uniform velocity cooled down for the second time, temperature fall time is 22 or 23 or 24 or 25 or 26 points, be at the uniform velocity cooled to 4kw, heat preservation 28 or
It is shut down after 29 or 30 or 31 or 32 minutes.The diamond produced in this way is with navy blue.Such as Fig. 2.
A kind of white diamond of synthesis, it is made of raw material from the following weight:
Preparation method is same as Example 1.
Embodiment 5
By Synthetic block (by embedding the white clouds flag of diamond kind crystalline substance, 60 grams of graphite centre rod and the three of 40 grams inside pellet
Piece catalyst sheet composition, assembling sequence connect three layers of catalyst sheet below graphite centre rod as shown in Figure 1:, are in surface below catalyst sheet
The white clouds flag of embedding diamond kind crystalline substance.The catalyst sheet be 70% nickel powder, 25% manganese powder, 5% cobalt powder alloy sheet)
It pellet is assembled into Synthetic block is placed in diamond synthesizing equipment and carry out compacting synthesis, averagely boosted in 0-90 seconds
33MPa, and at the uniform velocity boosting, at the uniform velocity boosts to 82.5MPa in 300 seconds, and constant temperature and pressure pressure maintaining 24 hours；Meanwhile at 24 hours 90
It in second, is started to warm up when from 30 seconds, temperature-rise period is 300 seconds, is at the uniform velocity warming up to 5.6kw, then keeps constant temperature 300 seconds, then
Start to cool down for the first time, first time temperature fall time is 30 seconds, is down to 5kw, is then at the uniform velocity cooled down for the second time, temperature fall time is
24 points, it is at the uniform velocity cooled to 4kw, heat preservation is shut down after 30 minutes.
The diamond produced in this way is white.
The diamond crystal formation of the method production is complete, and color is white, and preferably, corner angle are prominent for degree thoroughly.Its process time is
24 hours, this white diamond did not had crystal defect, and corner angle are prominent.
Above is only a specific embodiment of the present invention, but structure feature of the invention is not limited to this, any ability
Within the field of the present invention, made changes or modifications all cover in the scope of the patents of the invention the technical staff in domain.
Claims (6)
1. a kind of white diamond of synthesis, it is made of raw material from the following weight:
Parts by weight of raw materials
Graphite rod core 45-75g
Catalyst sheet 25-55g；
Wherein: catalyst sheet is nickel powder, manganese powder, cobalt powder；
Nickel powder 55-85g
Manganese powder 12-35g
Cobalt powder 3-10g；
Wherein, the manufacturing method of the white diamond are as follows:
A, graphite rod core is prepared；
B, by nickel powder, manganese powder, cobalt powder, ingredient, obtains a kind of mixture in proportion, and mixture is poured injection melting, tabletted,
For catalyst sheet；
C, graphite rod core, catalyst sheet, diamond kind crystalline substance and synthesis auxiliary are assembled into Synthetic block, diamond kind crystalline substance is that crystal form is complete
Six-octahedra diamonds, by band diamond kind crystalline substance white clouds flag, catalyst sheet, graphite rod core, dolomite cup, dolomite
Pipe, heat-generating pipe, band dolomite plug, iron plate, heating graphite piece, dolomite cushion block, pyrophyllite in lumps form Synthetic block；
D, Synthetic block is placed in diamond synthesizing equipment and carries out compacting synthesis, averagely boost to 32- in 1~90 second
35MPa, and at the uniform velocity boosting, at the uniform velocity boosts to 81 .5-83 .5MPa in 280-320 seconds, and constant temperature and pressure pressure maintaining 22-26 hours；?
In 80-100 seconds 22-26 hours, being started to warm up when from 28-32 seconds, temperature-rise period is 280-320 seconds, it is at the uniform velocity warming up to 5.6kw,
It is kept for constant temperature 300 seconds, then starts to cool down for the first time, first time temperature fall time is 28-32 seconds, is down to 5kw, then carries out second
Secondary at the uniform velocity to cool down, temperature fall time is 22-26 points, is at the uniform velocity cooled to 4kw, and heat preservation is shut down after 28-32 minutes, and it is white to obtain a kind of synthesis
Color diamond；
The Synthetic block assembling is as follows: three layers of catalyst sheet, the embedded gold of catalyst sheet lower surface setting are connected below graphite rod core
The dolomite composition synthesis column of the dolomite of hard rock kind crystalline substance, graphite rod core, three layers of catalyst sheet and embedded diamond kind crystalline substance, synthesizes column
Outside is cased with dolomite cup, and dolomite cup upper end connects heating graphite piece, and heating graphite piece connects iron plate；Dolomite cup lower end connects
Dolomite cushion block is connect, dolomite cushion block connects heating graphite piece, and heating graphite piece connects iron plate, and entire connection is external to be cased with white clouds
Madreporic canal, white clouds madreporic canal housing have heat-generating pipe, and heat-generating pipe both ends connect plug, and outside covers pyrophyllite block again.
2. the white diamond of a kind of synthesis according to claim 1, it is characterised in that:
Parts by weight of raw materials
Graphite rod core 50-70g
Catalyst sheet 30-50g
Wherein: catalyst sheet is nickel powder, manganese powder, cobalt powder；
Nickel powder 58-82%
Manganese powder 14-33%
Cobalt powder 4-9%.
3. the white diamond of a kind of synthesis according to claim 1, it is characterised in that:
Parts by weight of raw materials
Graphite rod core 55-65g
Catalyst sheet 35-45g
Wherein: catalyst sheet is nickel powder, manganese powder, cobalt powder；
Nickel powder 60-80%
Manganese powder 15-32%
Cobalt powder 5-8%.
4. the white diamond of a kind of synthesis according to claim 1, it is characterised in that:
Parts by weight of raw materials
Graphite rod core 58-62g
Catalyst sheet 38-42g
Wherein: catalyst sheet is nickel powder, manganese powder, cobalt powder；
Nickel powder 65-75%
Manganese powder 19-30%
Cobalt powder 6-7%.
5. the white diamond of a kind of synthesis according to claim 1, it is characterised in that:
Parts by weight of raw materials
Graphite rod core 60g
Catalyst sheet 40g
Wherein: catalyst sheet is nickel powder, manganese powder, cobalt powder；
Nickel powder 70%
Manganese powder 25%
Cobalt powder 5%.
6. a kind of manufacturing method for synthesizing white diamond, the steps include:
A, graphite rod core is prepared；
B, by nickel powder, manganese powder, cobalt powder, ingredient, obtains a kind of mixture in proportion, and mixture is poured injection melting, tabletted,
For catalyst sheet；
C, graphite rod core, catalyst sheet, diamond kind crystalline substance and synthesis auxiliary are assembled into Synthetic block, diamond kind crystalline substance is that crystal form is complete
Six-octahedra diamonds, by band diamond kind crystalline substance white clouds flag, catalyst sheet, graphite rod core, dolomite cup, dolomite
Pipe, heat-generating pipe, band dolomite plug, iron plate, heating graphite piece, dolomite cushion block, pyrophyllite in lumps form Synthetic block；
D, Synthetic block is placed in diamond synthesizing equipment and carries out compacting synthesis, averagely boost to 32- in 1~90 second
35MPa, and at the uniform velocity boosting, at the uniform velocity boosts to 81 .5-83 .5MPa in 280-320 seconds, and constant temperature and pressure pressure maintaining 22-26 hours；?
In 80-100 seconds 22-26 hours, being started to warm up when from 28-32 seconds, temperature-rise period is 280-320 seconds, 5 .6kw are at the uniform velocity warming up to,
It is kept for constant temperature 300 seconds, then starts to cool down for the first time, first time temperature fall time is 28-32 seconds, is down to 5kw, then carries out second
Secondary at the uniform velocity to cool down, temperature fall time is 22-26 points, is at the uniform velocity cooled to 4kw, and heat preservation is shut down after 28-32 minutes, and it is white to obtain a kind of synthesis
Color diamond；
Wherein, Synthetic block assembling is as follows: three layers of catalyst sheet of connection below graphite rod core, in the setting of catalyst sheet lower surface
The dolomite composition synthesis column of the dolomite of embedding diamond kind crystalline substance, graphite rod core, three layers of catalyst sheet and embedded diamond kind crystalline substance, is closed
Dolomite cup is cased with outside Cheng Zhu, dolomite cup upper end connects heating graphite piece, and heating graphite piece connects iron plate；Under dolomite cup
End connection dolomite cushion block, dolomite cushion block connect heating graphite piece, and heating graphite piece connects iron plate, and entire connection is external to be cased with
White clouds madreporic canal, white clouds madreporic canal housing have heat-generating pipe, and heat-generating pipe both ends connect plug, and outside covers pyrophyllite block again；
The white diamond, it is made of raw material from the following weight:
Parts by weight of raw materials
Graphite rod core 45-75g
Catalyst sheet 25-55g；
Wherein: catalyst sheet is nickel powder, manganese powder, cobalt powder；
Nickel powder 55-85g
Manganese powder 12-35g
Cobalt powder 3-10g.
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| CN106270540B (en) * | 2016-08-30 | 2019-01-08 | 湖北鄂信钻石科技股份有限公司 | A kind of nickel cobalt of recycling prepares iron-based prealloyed powder |
| CN107495560A (en) * | 2017-06-30 | 2017-12-22 | 秦斌 | One kind synthesis white light noctilucence diamond and method |
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Address after: 436000 No. 188 Edong Avenue, Echeng District, Ezhou City, Hubei Province Patentee after: Believe diamond new material limited liability company in Hubei Province Address before: 436056 Diamond Industrial Park No. 188 Edong Avenue, Ezhou City, Hubei Province Patentee before: HUBEI EXIN DIAMOND TECHNOLOGY Co.,Ltd. |
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Denomination of invention: A kind of white artificial diamond and manufacturing method Effective date of registration: 20220815 Granted publication date: 20190226 Pledgee: Bank of China Limited Ezhou branch Pledgor: Believe diamond new material limited liability company in Hubei Province Registration number: Y2022420000257 |