CN217568634U

CN217568634U - Diamond synthesis pyrophyllite assembly block

Info

Publication number: CN217568634U
Application number: CN202221742998.9U
Authority: CN
Inventors: 张海潮; 张献伟; 方连兴
Original assignee: Henan Weida New Material Co ltd
Current assignee: Henan Weida New Material Co ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-10-14
Anticipated expiration: 2032-07-06

Abstract

The utility model relates to a synthetic technical field of diamond, and a synthetic pyrophyllite equipment piece of diamond is disclosed, including electrically conductive end cap, pyrophyllite ring, sealing ring, heating plate, heating pipe, pyrophyllite piece and insulating layer, both sides all are provided with electrically conductive end cap, pyrophyllite ring, sealing ring and heating plate in to about the pyrophyllite piece, be provided with the insulating layer between two heating plates, the left and right sides of insulating layer is provided with the heating pipe, the inside of insulating layer is provided with diamond growth region, diamond growth region is including graphite column, catalyst powder, seed crystal and brilliant bed. The structure is compact and reasonable, the space utilization rate of the cavity is high, the quantity of gem-grade diamond particles which can grow simultaneously is large, the production cost of products is reduced, the economic benefit is high, the method is suitable for batch production, and the requirement of industrial production can be met.

Description

Diamond synthesis pyrophyllite assembly block

Technical Field

The utility model relates to a diamond synthesis technical field specifically is a diamond synthesis pyrophyllite equipment piece.

Background

Diamond is the hardest substance in nature, the Mohs hardness of the diamond is 10, the diamond has numerous applications in the superhard industrial production due to high hardness, graphite and the diamond are allotropes of carbon elements, the graphite can be converted into the diamond under certain high-temperature and high-pressure conditions, the existing artificial synthetic diamond mainly adopts a catalyst method, an epitaxial method and the like, and in the process of artificially synthesizing the diamond, the pyrophyllite assembly block plays an important role in the quality of the synthetic diamond.

The existing assembly structure is only suitable for research and development synthesis, and the synthesized diamond particles are few, consume raw and auxiliary materials, have high electric charge and labor cost, and are not suitable for industrial mass production.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the deficiency of the prior art, the utility model provides a diamond synthesis pyrophyllite assembled block.

(II) technical scheme

In order to solve the above problem, the utility model provides a following technical scheme: the utility model provides a synthetic pyrophyllite equipment piece of diamond, includes electrically conductive end cap, pyrophyllite ring, sealing ring, heating plate, heating pipe, pyrophyllite piece and insulating layer, both sides all are provided with electrically conductive end cap, pyrophyllite ring, sealing ring and heating plate in to outer about the pyrophyllite piece, be provided with the insulating layer between two heating plates, the left and right sides of insulating layer is provided with the heating pipe, the inside of insulating layer is provided with diamond growth area, diamond growth area is including graphite column, catalyst powder, seed crystal and brilliant bed.

Preferably, the inside of each pyrophyllite block is cylindrical, each conductive plug is cap-shaped, and the lower end of each conductive plug is provided with an annular pyrophyllite ring and a sealing ring.

Preferably, the sealing ring is a dolomite ring.

Preferably, the heating pipe is in a hollow cylindrical shape, and the heating pipe is electrically connected with the conductive plugs on the upper side and the lower side through two heating sheets.

Preferably, the catalyst powder is cobalt-nickel catalyst powder, the graphite column is a graphite carbon source, a plurality of groups of seed crystals are arranged on the outer side of the catalyst powder, and the distance between the plurality of seed crystals is the same.

(III) advantageous effects

Compared with the prior art, the utility model provides a synthetic pyrophyllite equipment piece of diamond possesses following beneficial effect:

1. this diamond synthesis pyrophyllite equipment piece, it is a plurality of interval is the same between the seed crystal, because of cavity structures is cylindrical, adopts this kind of arrangement structure, when not influencing every seed crystal and absorbing enough catalyst powder, the seed crystal figure that can plant is many, and this compact structure is reasonable, and cavity space utilization is high, and the gem grade diamond granule number that can grow simultaneously is many, has reduced product manufacturing cost, and economic benefits is high, is suitable for batch production, can satisfy the industrial production demand.

2. This synthetic pyrophyllite equipment piece of diamond, the sealing ring is the dolomite ring, and the dolomite ring has good biography pressure heat transfer performance, and the dolomite block has sufficient thickness, can effectively guarantee temperature and pressure in the diamond growth region and keep stable, avoids appearing the temperature and crosses low and lead to the diamond conversion rate to cross low etc..

3. The diamond synthetic pyrophyllite assembly block adopts two ends for heating, adopts the heating pipe for heat transfer, and simultaneously energizes the upper and lower conductive plugs, so that current and heat are uniformly distributed in the whole diamond growth cavity, heat transfer, pressure transfer and uniform diffusion are facilitated, and the quality of synthetic diamonds is improved; the utility model has the advantages of reasonable structure, safety, high efficiency, low cost, high conversion rate and high unit yield.

Drawings

Fig. 1 is the structure schematic diagram of the diamond synthetic pyrophyllite assembly block of the utility model.

In the figure: 1 conductive plug, 2 pyrophyllite rings, 3 sealing rings, 4 heating sheets, 5 heating pipes, 6 pyrophyllite blocks, 7 insulating layers, 8 crystal beds, 9 seed crystals, 10 catalyst powder and 11 graphite columns.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a new technical solution: the utility model provides a synthetic pyrophyllite equipment piece of diamond, is including electrically conductive end cap 1, pyrophyllite ring 2, sealing ring 3, heating plate 4, heating pipe 5, pyrophyllite piece 6 and insulating layer 7, both sides all are provided with electrically conductive end cap 1, pyrophyllite ring 2, sealing ring 3 and heating plate 4 in outer to about 6 pyrophyllite pieces, be provided with insulating layer 7 between two heating plates 4, the left and right sides of insulating layer 7 is provided with heating pipe 5, the inside of insulating layer 7 is provided with diamond growth region, diamond growth region is including graphite column 11, catalyst powder 10, seed crystal 9 and brilliant bed 8.

In this embodiment, the inside cylindrical shape that is of pyrophyllite block 6, the shape of electrically conductive end cap 1 is the cap form, the lower extreme of electrically conductive end cap 1 is provided with annular pyrophyllite ring 2 and sealing ring 3.

In this embodiment, sealing ring 3 is the dolomite ring, and the dolomite ring has good biography pressure heat transfer performance, and the dolomite block has sufficient thickness, can effectively guarantee that temperature and pressure in the diamond growth region remain stable, avoids appearing the temperature and crosses low and lead to the diamond conversion rate to cross low etc..

In this embodiment, the heating pipe 5 is a hollow cylinder, and the heating pipe 5 is electrically connected to the conductive plugs 1 at the upper and lower sides through two heating sheets 4.

In this embodiment, brilliant bed 8 is prepared according to a certain proportion for zirconium dioxide, quartzy and magnesium oxide and forms, catalyst powder 10 touches the buggy for cobalt nickel, graphite post 11 is the graphite carbon source, catalyst powder 10's the outside is provided with multiunit seed crystal 9, and is a plurality of interval is the same between the seed crystal 9, and because of the cavity structures is cylindrical, adopt this kind of arrangement structure, when not influencing every seed crystal 9 and absorbing enough catalyst powder 10, the seed crystal 9 figure that can plant is many, and this compact structure is reasonable, and cavity space utilization is high, and the gem grade diamond granule number that can grow simultaneously is many, has reduced product manufacturing cost, and economic benefits is high, is suitable for batch production, can satisfy the industrial production demand.

The working principle is as follows: this synthetic pyrophyllite of diamond equipment piece is in the assembling process, at first need place the electrically conductive end cap 1 of 6 bottoms of pyrophyllite piece, pyrophyllite ring 2, sealing ring 3 and heating plate 4 put into the inside bottom of 6 pyrophyllite pieces in proper order, then place hollow circular cylinder's heating pipe 5 on the heating plate 4 of bottom, then place insulating layer 7 in proper order in the bottom and the inboard of heating pipe 5, place the regional synthetic post of synthetic diamond growth in the inside of insulating layer 7 at last, upper end cover insulating layer 7, make the regional synthetic post of synthetic diamond growth be in inside insulating layer 7, then heating plate 4 is placed in proper order to the inside upper end of 6 pyrophyllite pieces, sealing ring 3, pyrophyllite ring 2 and electrically conductive end cap 1, the equipment of completion pyrophyllite piece, the pyrophyllite piece of equipment completion is placed and is heated the pressurization in cubic apparatus hydraulic press inside.

In the embodiment, two ends are adopted for heating, the heating pipe 5 is adopted for heat transfer, and the upper conductive plug 1 and the lower conductive plug 1 are simultaneously electrified, so that the current and the heat are uniformly distributed in the whole diamond growth cavity, the heat transfer, the pressure transfer and the uniform diffusion are facilitated, and the quality of the synthesized diamond is improved; the utility model has the advantages of reasonable structure, safety, high efficiency, low cost, high conversion rate and high unit yield.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a synthetic pyrophyllite equipment piece of diamond, includes electrically conductive end cap (1), pyrophyllite ring (2), sealing ring (3), heating plate (4), heating pipe (5), pyrophyllite piece (6) and insulating layer (7), its characterized in that: pyrophyllite piece (6) upper and lower both sides all are provided with electrically conductive end cap (1), pyrophyllite ring (2), sealing ring (3) and heating plate (4) through outer to interior, be provided with insulating layer (7) between two heating plate (4), the left and right sides of insulating layer (7) is provided with heating pipe (5), the inside of insulating layer (7) is provided with diamond growth region, diamond growth region is including graphite column (11), catalyst powder (10), seed crystal (9) and brilliant bed (8).

2. The diamond-synthesized pyrophyllite assembly block according to claim 1, wherein: the inside cylinder shape that is of pyrophyllite piece (6), the shape of electrically conductive end cap (1) is the cap form, the lower extreme of electrically conductive end cap (1) is provided with annular pyrophyllite ring (2) and sealing ring (3).

3. The diamond-synthesized pyrophyllite assembly block according to claim 1, wherein: the sealing ring (3) is a dolomite ring.

4. The diamond-synthesized pyrophyllite assembly block according to claim 1, wherein: the heating pipe (5) is in a hollow cylindrical shape, and the heating pipe (5) is electrically connected with the conductive plugs (1) on the upper side and the lower side through the two heating sheets (4).

5. The diamond-synthesized pyrophyllite assembly block of claim 1, wherein: the catalyst powder (10) is cobalt-nickel catalyst powder, the graphite column (11) is a graphite carbon source, a plurality of groups of seed crystals (9) are arranged on the outer side of the catalyst powder (10), and the intervals between the seed crystals (9) are the same.