CN103710751A - Electric smelting method-based preparation of color quartz crystals - Google Patents
Electric smelting method-based preparation of color quartz crystals Download PDFInfo
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- CN103710751A CN103710751A CN201410009077.5A CN201410009077A CN103710751A CN 103710751 A CN103710751 A CN 103710751A CN 201410009077 A CN201410009077 A CN 201410009077A CN 103710751 A CN103710751 A CN 103710751A
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Abstract
The invention provides electric smelting method-based preparation of color quartz crystals. The electric smelting method-based preparation comprises the following steps: evenly mixing quartz powder and a coloring agent together in the mass ratio of 100:(0.5-2), adding deionized water, soaking, stirring for mixing evenly, and next, drying and grinding; putting the mixture into a vacuum electric furnace; heating at a temperature ranging from 1400 to 1850 DEG C; cooling along with the furnace to the room temperature to obtain a color crystal blank; slicing, grinding and polishing, and finally, packaging for storage. The electric smelting method-based preparation of the color quartz crystals has the advantages that the color crystals produced according to the process provided by the invention have the characteristics of high production speed, stable product quality and even color and luster, and are capable of bearing high-temperature flame burning without fading, the mohs' hardness of the color crystals ranges from 3.5-5.5, and the density of the color crystals ranges from 3-5g/cm<3>, and the color crystals have excellent high temperature resistance, free of deformation and fading in the hot working process, and thus can be widely applied to the industries such as top-grade ornaments and artware.
Description
Technical field
The invention belongs to architectural decoration material field, particularly a kind of electric smelting legal system of colored quartz crystal is standby.
Background technology
Crystal is a kind of large-sized rock quartz xln mineral, and its main chemical is silicon-dioxide, conventionally with (Rockcrystal), refers in particular to mineral crystal in the world, another name spar, sodium fluoroaluminate, water jade.Because mineral crystal resource is fewer and feweri, price is more and more expensive, so people are making great efforts to seek the method for synthetic always.
Synthetic crystal is the chemical composition of manually imitating mineral crystal, and the Temperature-pressure Conditions while forming, synthetic in laboratory.Synthetic crystal is identical with the essential property of mineral crystal, and difference is the when and where of crystallization.Due to the widespread use of synthetic crystal in other industrial circles, many countries can carry out scale operation in the world now, so far the history of existing last 100 years.
The method of crystallization from solution is used in the production of synthetic quartz jade conventionally; This method be by suitable components dissolved in low viscous liquid, by control condition, make it chemical combination crystallization, produce needed crystal.From the technology of solution crystallization, have two kinds of flux method and hydrothermal methods, wherein the most frequently used is hydrothermal method.
The ultimate principle of the synthetic crystal jade of hydrothermal method is: suitable raw material is placed in to the autoclave of sealing, they are dissolved in the water under High Temperature High Pressure, then needed crystal hyperplasia on seed crystal is grown up.Hydrothermal method synthetic quartz jade is actually a transition process, be about to the bottom that broken natural quartz is placed in autoclave, in still, be filled with the water of mineralizer, seed crystal quartz is by the top that is placed in autoclave, then be heated to 300 ℃ of left and right, pressure is 1650atm left and right, and now quartz melts and because convection current is risen, is deposited on seed crystal.
Flux method is that the raw material that forms jewel is at high temperature dissolved in the fusing assistant of low melting point, make it to form saturated solution, then by slow cooling or under steady temperature, evaporate the methods such as flux, make fused solution supersaturation, thereby make gem crystal separate out the method for growth.Fusing assistant is generally inorganic salts, therefore be also referred to as salt-melting method or flux method.
Yet, no matter be solvent method or hydrothermal method, all exist processing condition complexity, crystallisation process wretched insufficiency slowly; Meanwhile, the defects such as that the crystal that this method is produced exists under hot conditions is yielding, variable color, have brought very large impact to the follow-up weldprocedure of gem processing process.
Therefore, by novel process, produce high temperature resistant crystal jade and there is higher marketable value.
Summary of the invention
The object of the invention is to solve the existing problem of above-mentioned technique, provide production technique electric smelting legal system simple and lower-cost a kind of colored quartz crystal standby.
The present invention is achieved in that
1, choose cobalt sesquioxide, titanium dioxide and Red copper oxide wherein a kind or 2 kinds of chemical reagent as the tinting material of colored quartz crystal;
2, by 60-120 object silica powder and tinting material in mass ratio 100:0.5-2 ratio feeding and mix, add appropriate amount of deionized water to soak, deionized water add-on to be there just not to be powder top to be advisable, soak time 3-8 hour;
3, the compound soaking into is carried out to stirring and evenly mixing with agitator, guarantee staining agent and quartz raw material uniform contact; Compound after stirring is put into loft drier dries, and bake out temperature is 120 ℃, drying time 3-8 hour;
4, the compound after drying is ground in mortar, make mixed color uniformity; Then compound is put into plumbago crucible;
5, the plumbago crucible that compound is housed is put into vacuum electric furnace; Before heating, must guarantee that body of heater cooling system is working properly, vacuum system is working properly;
6, the temperature rise period: carry out rapid heating with 50 ℃/speed below min under the condition that can allow at equipment from room temperature to 1400 ℃; Within the scope of 1400 ℃-1650 ℃, need to control heat-up rate and be less than 5 ℃/min, and keep below vacuum tightness 0.01Pa, be beneficial to the smooth discharge of gas between powder, be then rapidly heated to 1750 ℃-1850 ℃ and keep 3-8h;
7, cooling stages: after insulation finishes, cut off heating power supply, keep carrying out furnace cooling under vacuum condition in stove; When cooling temperature is reduced to 1100 ℃ of constant temperature, keep 30min to eliminate due to the quick cooling internal stress producing, after insulation finishes, cool to room temperature with the furnace, obtain colour crystal blank;
8, colour crystal blank carries out packing and storing after section, polishing and polishing.
Advantage of the present invention is, adopts that explained hereafter colour crystal of the present invention has that production rate is fast, constant product quality and the uniform feature of color and luster, can bear that flame high temperature burns and colour-fast.
Crystal jade prepared by technique of the present invention, its mohs hardness is 3.5～5.5; Density is 3～5g/cm
3; Have excellent resistance to elevated temperatures, hot procedure is indeformable colour-fast, can be used widely in industries such as high-grade ornaments and artworks.
Accompanying drawing explanation
Fig. 1 is the standby production technological process of electric smelting legal system of colored quartz crystal.
Embodiment:
Below in conjunction with example, illustrate:
1, as redness adopts the cuprous powder of pure zirconia, blue pure cobalt sesquioxide powder, the black employing pure titinium dioxide powder of adopting; Get 10g cobalt sesquioxide powder as the staining agent of sky blue crystal;
2, get approximately 120 object silica powder 100g and put into blender with 10g cobalt sesquioxide powder and mix, add deionized water to soak, add-on to be there just not to be powder top to be advisable, soak time approximately 3 hours;
3, the compound soaking into is carried out to stirring and evenly mixing approximately 30 minutes with agitator, guarantee staining agent and quartz raw material uniform contact, then compound is put into loft drier dry, bake out temperature is 120 ℃, drying time 3 hours;
4, the compound after drying is ground in mortar, make mixed color uniformity, then compound is put into plumbago crucible;
5, the plumbago crucible that compound is housed is put into vacuum electric furnace, must guarantee that body of heater cooling system is working properly before heating, vacuum system is working properly;
6, the temperature rise period: 25-30 ℃/min carries out rapid heating under room temperature to the 1400 ℃ condition that can allow at equipment; Within the scope of 1400 ℃-1650 ℃, need to control heat-up rate and be less than 5 ℃/min and keep below vacuum tightness 0.01Pa, be beneficial to the smooth discharge of gas between powder.Then be rapidly heated to 1750 ℃-1850 ℃, blue and red crystal is got 1750 ℃, and black crystal is got 1850 ℃ and keep 3 hours;
7, cooling stages: after insulation finishes, cut-out heating power supply, keeps carrying out furnace cooling under vacuum condition in stove, when cooling temperature is reduced to 1100 ℃, constant temperature keeps 30min to eliminate due to the quick cooling internal stress producing.After finishing, insulation cools to room temperature with the furnace;
8, the quartz crystal material base after high temperature melting carries out packing and storing after section, polishing and polishing.
Claims (1)
1. the electric smelting legal system of a colored quartz crystal is standby, it is characterized in that,
A, choose cobalt sesquioxide, titanium dioxide and Red copper oxide wherein a kind or 2 kinds of chemical reagent as the tinting material of colored quartz crystal;
B, by 60-120 object silica powder and tinting material in mass ratio 100:0.5-2 ratio feeding and mix, add appropriate amount of deionized water to soak, deionized water add-on to be there just not to be powder top to be advisable, soak time 3-8 hour;
C, the compound soaking into is carried out to stirring and evenly mixing with agitator, guarantee staining agent and quartz raw material uniform contact; Compound after stirring is put into loft drier dries, and bake out temperature is 120 ℃, drying time 3-8 hour;
D, the compound after drying is ground in mortar, make mixed color uniformity; Then compound is put into plumbago crucible;
E, the plumbago crucible that compound is housed is put into vacuum electric furnace; Before heating, must guarantee that body of heater cooling system is working properly, vacuum system is working properly;
F, temperature rise period: under the condition that can allow at equipment from room temperature to 1400 ℃, with 50 ℃/speed below min, carry out rapid heating; Within the scope of 1400 ℃-1650 ℃, need to control heat-up rate and be less than 5 ℃/min, and keep below vacuum tightness 0.01Pa, be beneficial to the smooth discharge of gas between powder, be then rapidly heated to 1750 ℃-1850 ℃ and keep 3-8h;
G, cooling stages: after insulation finishes, cut off heating power supply, keep under vacuum condition, carrying out furnace cooling in stove; When cooling temperature is reduced to 1100 ℃ of constant temperature, keep 30min to eliminate due to the quick cooling internal stress producing, after insulation finishes, cool to room temperature with the furnace, obtain colour crystal blank;
H, colour crystal blank carry out packing and storing after section, polishing and polishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410009077.5A CN103710751B (en) | 2014-01-09 | 2014-01-09 | The electric smelting legal system of colored quartz crystal is standby |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410009077.5A CN103710751B (en) | 2014-01-09 | 2014-01-09 | The electric smelting legal system of colored quartz crystal is standby |
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| Publication Number | Publication Date |
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| CN103710751A true CN103710751A (en) | 2014-04-09 |
| CN103710751B CN103710751B (en) | 2016-05-04 |
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| CN201410009077.5A Expired - Fee Related CN103710751B (en) | 2014-01-09 | 2014-01-09 | The electric smelting legal system of colored quartz crystal is standby |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110403795A (en) * | 2019-06-06 | 2019-11-05 | 于得水 | A kind of preparation process of high-purity crystal cinerary casket |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1052154A (en) * | 1989-11-25 | 1991-06-12 | 山东大学 | The growth method of colour crystal |
| CN1558002A (en) * | 2004-01-16 | 2004-12-29 | 周启波 | Artificial hair crystal and preparation method thereof |
| CN1865525A (en) * | 2005-05-20 | 2006-11-22 | 淄博宇峰实业有限责任公司 | Method for preparing large-size artificial optical quartz crystal by hydrothermal method |
-
2014
- 2014-01-09 CN CN201410009077.5A patent/CN103710751B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1052154A (en) * | 1989-11-25 | 1991-06-12 | 山东大学 | The growth method of colour crystal |
| CN1558002A (en) * | 2004-01-16 | 2004-12-29 | 周启波 | Artificial hair crystal and preparation method thereof |
| CN1865525A (en) * | 2005-05-20 | 2006-11-22 | 淄博宇峰实业有限责任公司 | Method for preparing large-size artificial optical quartz crystal by hydrothermal method |
Non-Patent Citations (1)
| Title |
|---|
| 徐斌 等: "影响水晶着色的某些因素", 《硅酸盐通报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110403795A (en) * | 2019-06-06 | 2019-11-05 | 于得水 | A kind of preparation process of high-purity crystal cinerary casket |
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| CN103710751B (en) | 2016-05-04 |
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