Composite artificial colored gem growing device

Abstract

The utility model relates to a composite artificial colored gem growing device, which is structurally characterized in that the bottom of a main heat-insulating barrel is supported on heat-insulating bricks, the bottom of a crucible is supported on a tray, the bottom of the tray and the center of an auxiliary tray are connected with a lifting pillar, an auxiliary heat-insulating barrel wraps the outer side of the lifting pillar, and an auxiliary heat-insulating barrel wraps the outer side of the whole of the crucible, the tray and the auxiliary heat-insulating barrel. The auxiliary heat preservation barrel penetrates through the center of the heat preservation brick, the bottom of the heat preservation brick is connected with a barrel body, the barrel body covers the bottom of the auxiliary heat preservation barrel and the outer side of the auxiliary tray, a heating body covers the outer side of the auxiliary heat preservation barrel in the main heat preservation barrel, the bottom of the heating body is supported on the heat preservation brick, a gap is reserved between the heating body and the main heat preservation barrel, and a heat preservation felt is arranged at the top of the main heat preservation barrel. The utility model has the advantages that high-quality, large-size and multi-color composite gemstone can be quickly grown by adopting a Bridgman-Stockbarger method, a stable thermal field can be formed in a crystal growth area, and the grown gemstone has a stable interface and is not easy to crack.

Description

Technical Field

[0001] This utility model relates to a crystal growth device, specifically to a growth device for composite artificial colored gemstones. Background Technology

[0002] In existing technologies, the main methods for growing colored gemstones include flame glazing, the turning process, and hydrothermal glazing, which mostly produce gemstones of a single color. Gemstone setting and other techniques are commonly used to diversify the colors, but due to the high hardness of gemstones, the processing costs are relatively high.

[0003] Consider using the crucible descent method to grow composite colored gemstones. The crucible descent method is commonly used for single crystal growth, typically to produce large single crystals. The material for single crystal growth is placed in a crucible and slowly lowered through a furnace with a specific temperature gradient, the furnace temperature controlled slightly above the material's melting point. Depending on the material's properties, a resistance furnace or a high-frequency furnace can be selected for the heating element. As the material passes through the heating zone, the material in the crucible melts. As the crucible continues to descend, the temperature at the bottom first drops below the melting point, and crystallization begins. The single crystal continues to grow as the crucible descends.

[0004] Existing crystal growth equipment cannot be directly used for growing composite colored gemstones using the crucible descent method. During the crystal growth process in the crucible, it is prone to cracking due to excessive temperature differences, which affects product quality. Utility Model Content

[0005] This invention proposes a composite artificial colored gemstone growth device, which aims to overcome the above-mentioned shortcomings of the existing technology, meet the growth requirements of composite artificial colored gemstones, and avoid cracking.

[0006] The technical solution of this utility model is as follows: A composite artificial colored gemstone growth device, the structure of which includes a barrel, an auxiliary tray, an auxiliary heat-insulating barrel, a lifting support column, heat-insulating bricks, a tray, a main heat-insulating barrel, a heating element, a secondary heat-insulating barrel, a crucible, and a heat-insulating felt. The bottom of the main heat-insulating barrel is supported on the heat-insulating bricks, the bottom of the cylindrical crucible is supported on the tray, the bottom of the tray is connected to the center of the auxiliary tray by the lifting support column, the outer side of the lifting support column is wrapped with the auxiliary heat-insulating barrel, the outer side of the crucible, the auxiliary tray, and the auxiliary heat-insulating barrel is wrapped with the secondary heat-insulating barrel, the secondary heat-insulating barrel passes through the center of the heat-insulating brick, and a gap is left between the center of the heat-insulating brick and the secondary heat-insulating barrel, the bottom of the heat-insulating brick is connected to the barrel, the barrel covers the bottom of the secondary heat-insulating barrel and the outer side of the auxiliary tray, the gemstone is placed in the bottom of the crucible, the raw material is placed in the crucible above the gemstone, the outer side of the secondary heat-insulating barrel inside the main heat-insulating barrel is covered with a heating element, the bottom of the heating element is supported on the heat-insulating brick, a gap is left between the heating element and the main heat-insulating barrel, and a heat-insulating felt is placed on the top of the main heat-insulating barrel. The addition of auxiliary and secondary insulation barrels can play a role in heat preservation and in-situ annealing of gemstones during the crucible descent process, preventing the gemstones from cracking due to sudden cooling and excessive thermal stress after descent, thereby improving crystal quality and yield.

[0007] Preferably, the barrel body is an alumina barrel body.

[0008] Preferably, the auxiliary tray and the tray are tungsten trays.

[0009] Preferably, the auxiliary insulation bucket, main insulation bucket, and secondary insulation bucket are zirconia insulation buckets.

[0010] Preferably, the lifting support is a tungsten support.

[0011] Preferably, the insulating brick is a zirconia insulating brick.

[0012] Preferably, the crucible is a tungsten crucible.

[0013] Preferably, the insulating felt is a graphite insulating felt.

[0014] The advantages of this invention are: its reasonable structural design facilitates the rapid growth of high-quality, large-size, multi-color composite gemstones using the crucible lowering method; a stable thermal field can be formed in the crystal growth area; and the grown gemstone interface is stable and not prone to cracking. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the composite artificial colored gemstone growth device of this utility model.

[0016] In the diagram, 1 is the barrel body, 2 is the auxiliary tray, 3 is the auxiliary insulation barrel, 4 is the lifting support column, 5 is the insulation brick, 6 is the tray, 7 is the gemstone, 8 is the main insulation barrel, 9 is the heating element, 10 is the secondary insulation barrel, 11 is the crucible, and 12 is the insulation felt. Detailed Implementation

[0017] The present invention will be further described in detail below with reference to embodiments and specific implementation methods.

[0018] like Figure 1 As shown, a composite artificial colored gemstone growth device comprises a barrel 1, an auxiliary tray 2, an auxiliary heat-insulating barrel 3, a lifting support column 4, heat-insulating bricks 5, a tray 6, a main heat-insulating barrel 8, a heating element 9, a secondary heat-insulating barrel 10, a crucible 11, and a heat-insulating felt 12. The main heat-insulating barrel 8 is supported at the bottom by the heat-insulating bricks 5, and the cylindrical crucible 11 is supported at the bottom by the tray 6. The bottom of the tray 6 is connected to the center of the auxiliary tray 2 by the lifting support column 4. The auxiliary heat-insulating barrel 3 is wrapped around the outside of the lifting support column 4. The crucible 11, auxiliary tray 2, and auxiliary heat-insulating barrel 3 are integrally formed. A secondary insulation barrel 10 is wrapped around the side, passing through the center of the insulation brick 5. A gap is left between the center of the insulation brick 5 and the secondary insulation barrel 10. The bottom of the insulation brick 5 is connected to the barrel body 1. The barrel body 1 covers the bottom of the secondary insulation barrel 10 and the outside of the auxiliary tray 2. The gemstone 7 is placed at the bottom of the crucible 11. The raw material is placed in the crucible 8 above the gemstone 7. The heating element 9 is covered on the outside of the secondary insulation barrel 10 inside the main insulation barrel 8. The bottom of the heating element 9 is supported on the insulation brick 5. A gap is left between the heating element 7 and the main insulation barrel 8. An insulation felt 12 is provided on the top of the main insulation barrel 8.

[0019] Based on the above structure, barrel 1 serves as a support and insulation unit;

[0020] The auxiliary tray 2, the tray 6 and the lifting support column 4 constitute a lifting device. The tray 6 is used to support the crucible 11, and the auxiliary tray 2 is used to support the lifting of the auxiliary heat preservation barrel 3, the secondary heat preservation barrel 10, the tray 6 and the crucible 11.

[0021] The insulating brick 5 serves to support and insulate the heat source 9, preventing it from moving with the crucible 11. It also leaves a gap between itself and the wall of the secondary insulating container 10, so as not to affect the descent of the crucible 11, while forming a stable thermal field in the crystal growth area.

[0022] The addition of auxiliary heat preservation barrel 3 and secondary heat preservation barrel 10 can play a role in heat preservation and in-situ annealing of gemstones during the descent of crucible 11, preventing gemstones from cracking due to sudden cooling and excessive thermal stress after descent, thereby improving crystal quality and yield.

[0023] When in use, place the pre-processed gemstone 7 and the evenly mixed raw materials into the crucible 11. Then, position the auxiliary tray 2, auxiliary heat preservation barrel 3, secondary heat preservation barrel 10, tray 6, and crucible 11 on the lifting support column 4 in sequence. Then, assemble the barrel 1, heat preservation brick 5, heating element 9, and main heat preservation barrel 8 in the same center, and finally place the heat preservation felt 12 on top. Example

[0024] The outer diameter of crucible 11 is 80-120mm, the thickness is 2-4mm, and the height is 200-300mm. The thickness of gemstone 7 is 40-80mm, and the diameter is determined according to the inner diameter of crucible 11.

[0025] The barrel 1 is an alumina barrel, the auxiliary tray 2 and the tray 6 are tungsten trays, the auxiliary insulation barrel 3, the main insulation barrel 8 and the secondary insulation barrel 10 are zirconia insulation barrels, the lifting support is a tungsten support, the insulation brick 5 is a zirconia insulation brick, the crucible 11 is a tungsten crucible, and the insulation felt 12 is a graphite insulation felt.

[0026] All of the components described above are existing technologies, and those skilled in the art can use any model and existing design that can achieve their corresponding functions.

[0027] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present utility model, and these all fall within the protection scope of the present utility model.

Claims

1. A composite artificial colored gemstone growth device, characterized in that, The application relates to a gemstone smelting device, which comprises a barrel body (1), an auxiliary tray (2), an auxiliary heat preservation barrel (3), lifting columns (4), heat preservation bricks (5), a tray (6), a main heat preservation barrel (8), a heating body (9), a secondary heat preservation barrel (10), a crucible (11) and heat preservation felt (12), wherein the main heat preservation barrel (8) is supported on the heat preservation bricks (5), the crucible (11) is a round barrel type and is supported on the tray (6), the bottom of the tray (6) is connected with the lifting columns (4) in the center of the auxiliary tray (2), the outer side of the lifting columns (4) is wrapped with the auxiliary heat preservation barrel (3), the outer side of the crucible (11), the auxiliary tray (2) and the auxiliary heat preservation barrel (3) is wrapped with the secondary heat preservation barrel (10), the secondary heat preservation barrel (10) passes through the center of the heat preservation bricks (5), a gap is left between the center of the heat preservation bricks (5) and the secondary heat preservation barrel (10), the bottom of the heat preservation bricks (5) is connected with the barrel body (1), the barrel body (1) is arranged on the outer side of the bottom of the secondary heat preservation barrel (10) and the auxiliary tray (2), a gemstone (7) is arranged on the inner bottom of the crucible (11), raw materials are arranged in the crucible (11) above the gemstone (7), the outer side of the secondary heat preservation barrel (10) in the main heat preservation barrel (8) is covered with the heating body (9), the bottom of the heating body (9) is supported on the heat preservation bricks (5), a gap is left between the heating body (9) and the main heat preservation barrel (8), and the top of the main heat preservation barrel (8) is provided with the heat preservation felt (12).

2. A composite artificial colored gemstone growth apparatus as claimed in claim 1, wherein, The barrel body (1) is an alumina barrel body.

3. A composite artificial colored gemstone growth apparatus as claimed in claim 1, wherein, The auxiliary tray (2) and the tray (6) are tungsten trays.

4. A composite artificial colored gemstone growth apparatus as claimed in claim 1, wherein, The auxiliary heat preservation barrel (3), the main heat preservation barrel (8) and the secondary heat preservation barrel (10) are zirconia heat preservation barrels.

5. A composite artificial colored gemstone growth apparatus as claimed in claim 1, wherein, The lifting columns (4) are tungsten columns.

6. A composite artificial colored gemstone growth apparatus as claimed in claim 1, wherein, The heat preservation bricks (5) are zirconia heat preservation bricks.

7. A composite artificial colored gemstone growth apparatus as claimed in claim 1, wherein, The crucible (11) is a tungsten crucible.

8. A composite artificial colored gemstone growth apparatus as claimed in claim 1, wherein, The heat preservation felt (12) is graphite heat preservation felt.

Images