CN102425009B - KDP crystal all-dimension growing device - Google Patents
KDP crystal all-dimension growing device Download PDFInfo
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- CN102425009B CN102425009B CN201110386238.9A CN201110386238A CN102425009B CN 102425009 B CN102425009 B CN 102425009B CN 201110386238 A CN201110386238 A CN 201110386238A CN 102425009 B CN102425009 B CN 102425009B
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Abstract
The invention belongs to the technical field of crystal growth, and relates to a KDP crystal all-dimension growing device; a supporting-structure pedestal is embedded and fixed at the bottom of a crystal-growing device with a cylindric case-type structure; a glass plate is disposed at a top opening of the crystal-growing device and is used as a top opening cover; a thermocouple is vertically disposed at one side of the upper part of an inner cavity of the crystal-growing device; the inner cavity of the crystal-growing device is filled with crystal growing solutions; a seed crystal shelf is hung at the center part of the inner cavity of the crystal-growing device; an organic glass rod at the upper end of the seed crystal shelf vertically passes through a solution sealing of the glass plate and is fixedly connected with a motor; the periphery of the seed crystal shelf is a square framework formed by four symmetric organic glass strips which are in fixed connection, and seed crystals are hung at the center part through nylon wires; a frosted ring is disposed at the periphery of one side of the glass plate; a central circular hole is disposed at the center part; a long strip-type narrow slit is disposed and extends along the central circular hole; a solution sealing is disposed at a through hole formed by the central circular hole and the narrow slit; the invention has a simple structure, low cost, a short growing period, and a high growing speed.
Description
Technical field:
The invention belongs to crystal technique field, the technology and equipment that relates to a kind of crystal growth from solution, be applicable to the comprehensive growth of the water-soluble crystal of medium caliber of 10cm left and right, the comprehensive growing apparatus of a kind of KDP crystal particularly, can improve crystalline growth velocity, increase crystal growth stability, realize the crystal-like high-quality Fast Growth of KDP.
Background technology:
At present, along with high power laser system is in great technical application such as controlled thermonuclear reaction, nuclear blast simulations, the research of high laser damage threshold supersize KDP crystalloid growing technology and its performance, has entered again a new stage in the world, has started new research climax.Because required KDP crystalloid size in practical application is larger, require to improve the speed of growth of crystal, to shorten the time of crystal growth.But the growing method and the equipment thereof that generally adopt both at home and abroad at present have all limited the growth in certain direction of crystal, thereby cause crystalline growth velocity excessively slow.At present, people found through experiments, and in crystal growing process, can first recover the crystal-like desired profile of KDP, realize the comprehensive growth of crystal, thereby improve the speed of growth of crystal; And the crystal that this method is grown is compared with the crystal that traditional method growth obtains, there is not performance loss, but, inquire in existing crystal growth equipment kind, these devices and equipment can't meet the needs of the comprehensive growth of crystal, so seek to design the crystal-like growing apparatus of a set of KDP, have very much realistic meaning and economic worth for the crystal-like comprehensive growth of KDP.
Summary of the invention:
The object of the invention is to overcome the defect of existing crystal technique and device existence, seek the crystal-like growing apparatus of the design a set of novel KDP of preparation, this device can make crystal recover its desired profile, realizes the comprehensive growth of crystal and improves the speed of growth of crystal; Adopt the brilliant device of educating of designed, designed to solve lower seed crystal difficulty and the seed crystal frame problem larger to agitation, increase the stability of crystal growth, improve the growth quality of crystal.
To achieve these goals, agent structure of the present invention comprise electric motor, sheet glass, thermopair, educate brilliant device, base, solution envelope, seed crystal frame and solution, cylindric box type structure educate the embedded base that is fixedly shaped with supporting structure in brilliant device bottom, the top ports place pressed cover structure of educating brilliant device be shaped with diameter be greater than educate brilliant device sheet glass as top lid, educate one side place, brilliant device inner chamber top and be vertically shaped with thermopair, educate the solution that is filled with crystal growth use in brilliant device inner chamber, educate brilliant device inner chamber centre suspension type and be equipped with seed crystal frame, the perspex bar of seed crystal frame upper end vertically went here and there sheet glass center solution envelope be fixed on the electric motor of educating brilliant device headspace and be fixedly connected with and form the rotational structure that electric motor drives the rotation of seed crystal frame, the seed crystal frame surrounding of tower structure is fixedly connected with and is formed quadra by four synthetic glass bars of symmetry, and the center of seed crystal frame is hung and is equipped with seed crystal by nylon wire, forms crystal after outgrowth, one side periphery of the sheet glass of disk structure is shaped with frosted ring, the place, interior ring inner side of frosted ring is shaped with circular hole, the center of sheet glass is shaped with the center hole that diameter is greater than circular hole, center along center hole is extended and is shaped with the long strip type narrow slit that width is less than center hole diameter to contrary both direction, and the length of narrow slit is less than the internal diameter of frosted ring, the through hole that corresponding center hole and narrow slit form is shaped with solution envelope, so that it is excessive to block the solution of educating in brilliant device.
The seed crystal frame fixed crystal the present invention relates to also provides rotation required in crystal growing process, and seed crystal frame is the planar frame formula structure that four synthetic glass bars form, and the dimension of its synthetic glass bar is 3mm, reduces the stirring of seed crystal frame rotation to solution; With the sheet glass of frosted ring, for educating the sealing at brilliant device top, to educate brilliant device without opening during lower seed crystal, seed crystal frame directly enters solution by the narrow slit on sheet glass, avoids opening the trouble of educating brilliant device.
Compared with prior art, its one-piece construction is simple in the present invention, and preparation cost is low, growth time is short, more than the speed of growth can reach 10mm/d, gained crystal is 83%-96% in 350nm-1200nm transmitance, and thermogravimetric differential thermal analysis result is shown to performance loss does not appear in crystal.
Accompanying drawing explanation:
Fig. 1 is the seed crystal shelf structure principle schematic that apparatus of the present invention relate to.
Fig. 2 is the glass-plate structure principle schematic that apparatus of the present invention relate to.
Fig. 3 is the comprehensive growth cell configuration principle schematic of KDP crystal the present invention relates to.
Embodiment:
Below by embodiment, be also described further by reference to the accompanying drawings.
Embodiment:
The agent structure of the present embodiment comprises electric motor 9, sheet glass 10, thermopair 11, educates brilliant device 12, base 13, solution envelope 14, seed crystal frame 15 and solution 16, cylindric box type structure educate the embedded base 13 that is fixedly shaped with corresponding supporting structure in brilliant device 12 bottoms, the top ports place pressed cover structure of educating brilliant device 12 is stamped diameter and is greater than the sheet glass 10 of educating brilliant device 12, educate one side place, brilliant device 12 inner chamber top and be vertically shaped with thermopair 11, educate the solution 16 that is filled with crystal growth use in brilliant device 12 inner chambers, educate brilliant device 12 inner chamber centre suspension types and be equipped with seed crystal frame 15, the perspex bar 1 of seed crystal frame 15 upper ends vertically went here and there sheet glass 10 centers solution envelope 14 be fixed on the electric motor 9 of educating brilliant device 12 headspaces and be fixedly connected with and form the rotational structure that electric motor 9 drives 15 rotations of seed crystal framves, the surrounding of the seed crystal frame 15 of tower structure is fixedly connected with and is formed square box by four synthetic glass bars 2 of symmetrical structure, and the center of seed crystal frame 15 is hung and is equipped with seed crystal by nylon wire 17, forms crystal 4 after outgrowth, the periphery of the sheet glass 10 of disk structure is shaped with frosted ring 5, the place, interior ring inner side of frosted ring 5 is shaped with circular hole 6, the center of sheet glass 10 is shaped with the center hole 8 that diameter is greater than circular hole 6, center along center hole 8 is extended and is shaped with the long strip type narrow slit 7 that width is less than center hole 8 diameters to contrary both direction, and the length of narrow slit 7 is less than the internal diameter of frosted ring 5, the through hole that corresponding center hole 8 and narrow slit 7 form is shaped with solution envelope 14, so that it is excessive to block the solution 16 of educating in brilliant device 12.
The seed crystal frame 15 that the present embodiment relates to comprises the crystal 4 of the perspex bar 1 that the diameter that is connected with upper side frame is 10mm, four synthetic glass bars 2 that are of a size of 3mm * 3mm * 100mm, seed crystal 3 and growth; Nylon wire 17 through seed crystal 3 is fixed on to seed crystal frame 15 central authorities, and seed crystal frame 15 tops are connected with electric motor 9, and electric motor 9 drives seed crystal frame 15 to rotate, and then seed crystal frame 15 drives crystal 3 to rotate again, and needed rotation in crystal growing process is provided; First make seed crystal recover its desired profile, in process of growth, because seed crystal is positioned at the central authorities of solution 16, in all directions all less than restriction, can realize the comprehensive growth of crystal, guaranteeing to reduce the stirring to solution 16 on the stable basis of seed crystal frame 15, can under higher rotation speed, carry out crystal growth, realize the high quality Fast Growth of crystal; Seed crystal frame 15 is the design of planar frame type, and the frame dimension that enters the seed crystal frame 15 of solution 16 is 3mm, can reduce seed crystal frame 15 stirring to solution 16 when rotating, and seed crystal frame 15 is open, for the comprehensive growth of crystal provides requisite space.
Covering at the sheet glass 10 of educating brilliant device 12 tops that the present embodiment relates to comprises that internal diameter is that 12.3cm external diameter is the frosted ring 5 of 21cm; Diameter is the circular hole 6 of 1cm; Wide is the narrow slit 7 of 11cm for 1.5cm is long; Diameter is the center hole 8 of 2.5cm; Frosted ring 5 places on sheet glass 10 smear high vacuum silicone grease and with educate brilliant device 12 tops and be connected sealing, during lower seed crystal, seed crystal frame 15 tops are connected with electric motor 9 through solution envelope 14 by center hole 8 places, seed crystal frame 15 bottoms directly enter in solution 16 by narrow slit 7 places, thermopair 11 enters solution 16 by Glass tubing through center hole 8 places, and gap is with foam-filled fixing to avoid evaporating; Seed crystal frame 15 is directly entered and is educated in brilliant device 12 by 7 places, gap, avoid opening the trouble of educating brilliant device 12, simplify lower seed crystal process, reduce the impact of lower seed crystal process on stability of solution, the lower edge place of sheet glass 10 is shaped with frosted ring 5, and effectively to prevent solution evaporation, the diameter of its frosted ring 5 is 12.3cm-21cm, be applicable to Multiple Type and educate brilliant device, save experimental cost; Narrow slit 7 changes the top seal design that tradition is educated brilliant device, makes when lower seed crystal 3, not need to open to educate brilliant device 12, and seed crystal 3 directly enters solution by narrow slit 7 places, simplifies the process of lower seed crystal 3.
The lower seed crystal process that the present embodiment relates to, first processes seed crystal 3, uses self-made punching device to get diameter 4-6mm aperture in seed crystal 3 central authorities, uses the nylon wire 17 through aperture seed crystal 3 to be fixed on to the centre of seed crystal frame 15; Again seed crystal frame 15 is put into solution 16, on sealing glass plate 10, center has narrow slit 7, and enough seed crystal framves 15 enter solution 16 thus, save to open and educate brilliant device 12, reduces this impact of operation on stability of solution; Seed crystal frame 15 is open frame structure, in the process of growth of crystal, first makes seed crystal 3 reply its desired profile, and then free growth in all directions, realizes the comprehensive growth of crystal 4; Seed crystal frame 15 material therefors that immerse in solution 16 are the synthetic glass bar 2 that 0.3mm is thick, are guaranteeing on seed crystal frame 15 constitutionally stable bases, reduce 15 impacts of rotation on solution 16 stability of seed crystal frame, thereby realize the high-quality Fast Growth of crystal.
Claims (2)
1. the comprehensive growing apparatus of KDP crystal, is characterized in that agent structure comprises electric motor, sheet glass, thermopair, educates brilliant device, base, solution envelope, seed crystal frame and solution, cylindric box type structure educate the embedded base that is fixedly shaped with supporting structure in brilliant device bottom, the top ports place pressed cover structure of educating brilliant device be shaped with diameter be greater than educate brilliant device sheet glass as top lid, educate one side place, brilliant device inner chamber top and be vertically shaped with thermopair, educate the solution that is filled with crystal growth use in brilliant device inner chamber, educate brilliant device inner chamber centre suspension type and be equipped with seed crystal frame, the perspex bar of seed crystal frame upper end vertically went here and there sheet glass center solution envelope be fixed on the electric motor of educating brilliant device headspace and be fixedly connected with and form the rotational structure that electric motor drives the rotation of seed crystal frame, the seed crystal frame surrounding of tower structure is fixedly connected with and is formed quadra by four synthetic glass bars of symmetry, and the center of seed crystal frame is hung and is equipped with seed crystal by nylon wire, forms crystal after outgrowth, one periphery, side of the sheet glass of disk structure is shaped with frosted ring, the place, inner side of frosted ring is shaped with circular hole, the center of sheet glass is shaped with the center hole that diameter is greater than circular hole, center along center hole is extended and is shaped with the long strip type narrow slit that width is less than center hole diameter to contrary both direction, and the length of narrow slit is less than the internal diameter of frosted ring, the through hole that corresponding center hole and narrow slit form is shaped with solution envelope, so that it is excessive to block the solution of educating in brilliant device.
2. the comprehensive growing apparatus of KDP crystal according to claim 1, it is characterized in that seed crystal frame fixed crystal and rotation required in crystal growing process is provided, seed crystal frame is the planar frame formula structure that four synthetic glass bars form, the width of its synthetic glass bar is 3mm, reduces the stirring of seed crystal frame rotation to solution; With the sheet glass of frosted ring, for educating the sealing at brilliant device top, to educate brilliant device without opening during lower seed crystal, seed crystal frame directly enters solution by the narrow slit on sheet glass, avoids opening the trouble of educating brilliant device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110386238.9A CN102425009B (en) | 2011-11-29 | 2011-11-29 | KDP crystal all-dimension growing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110386238.9A CN102425009B (en) | 2011-11-29 | 2011-11-29 | KDP crystal all-dimension growing device |
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| Publication Number | Publication Date |
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| CN102425009A CN102425009A (en) | 2012-04-25 |
| CN102425009B true CN102425009B (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110386238.9A Expired - Fee Related CN102425009B (en) | 2011-11-29 | 2011-11-29 | KDP crystal all-dimension growing device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110055579B (en) * | 2019-04-10 | 2021-03-02 | 中国科学院上海光学精密机械研究所 | Single-cone growth method for growing KDP crystal seed crystal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3957604A (en) * | 1975-03-17 | 1976-05-18 | North American Philips Corporation | Method and apparatus for isothermal crystal growth |
| CN2150215Y (en) * | 1992-12-10 | 1993-12-22 | 中国科学院福建物质结构研究所 | Constant-temp. cultivating tank for growth of potassium dideuterium phosphate |
| CN1519397A (en) * | 2003-09-01 | 2004-08-11 | 山东大学 | Method and equipment for growing large sectional monocrystal of potassium dihydrogen phosphate category |
| CN2761627Y (en) * | 2004-12-28 | 2006-03-01 | 中国科学院福建物质结构研究所 | Growth device of KDP kind crystal |
| CN101561401A (en) * | 2009-05-23 | 2009-10-21 | 青岛大学 | Real-time observation method of crystal growing surface microstructure |
-
2011
- 2011-11-29 CN CN201110386238.9A patent/CN102425009B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3957604A (en) * | 1975-03-17 | 1976-05-18 | North American Philips Corporation | Method and apparatus for isothermal crystal growth |
| CN2150215Y (en) * | 1992-12-10 | 1993-12-22 | 中国科学院福建物质结构研究所 | Constant-temp. cultivating tank for growth of potassium dideuterium phosphate |
| CN1519397A (en) * | 2003-09-01 | 2004-08-11 | 山东大学 | Method and equipment for growing large sectional monocrystal of potassium dihydrogen phosphate category |
| CN2761627Y (en) * | 2004-12-28 | 2006-03-01 | 中国科学院福建物质结构研究所 | Growth device of KDP kind crystal |
| CN101561401A (en) * | 2009-05-23 | 2009-10-21 | 青岛大学 | Real-time observation method of crystal growing surface microstructure |
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| CN102425009A (en) | 2012-04-25 |
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Granted publication date: 20140326 Termination date: 20191129 |