CN2150215Y - Constant-temp. cultivating tank for growth of potassium dideuterium phosphate - Google Patents
Constant-temp. cultivating tank for growth of potassium dideuterium phosphate Download PDFInfo
- Publication number
- CN2150215Y CN2150215Y CN 92244877 CN92244877U CN2150215Y CN 2150215 Y CN2150215 Y CN 2150215Y CN 92244877 CN92244877 CN 92244877 CN 92244877 U CN92244877 U CN 92244877U CN 2150215 Y CN2150215 Y CN 2150215Y
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- water jacket
- growth
- constant temperature
- utility
- temperature culture
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Abstract
The utility model discloses a constant-temperature cultivating tank for the growth of potassium dideuterium phosphate (the chemical formula of potassium dideuterium phosphate is KD [2] PO [4], for short, DKDP), used for the growth of potassium dideuterium phosphate single crystals. The utility model is formed by that a circular groove which is provided with a front and a back observation windows is obtained through welding plastic plates; a glass cultivating jar is sheathed in the circular groove. Water as medium is injected into an outer groove which is matched with an electrical-driving agitating device which has liquid seal, and a gas-filled rubber sealing ring is arranged at the juncture between the outer groove and the cultivating jar as a pad. The utility model has the advantages of convenient operation, stable temperature field (precision +-0.01 DEG C), and cultured crystal with goods quality, being suitable for the growth of other types of water solution single crystals.
Description
The utility model is used for the potassium dideuterium phosphate single crystal growing, is equally applicable to other various aqueous solution single crystal growings.
Usually cultivate potassium dideuterium phosphate (chemical formula KD
2PO
4Abbreviation DKDP) the used constant temperature culture groove of crystal is made up of a water jacket, a copper sheathing and a glass aquarium, and the glass aquarium places in the copper sheathing, and copper sheathing places in the water jacket (seeing Fig. 1,2) again.Make medium with air between water jacket and glass jar, copper sheathing covers a conductivity meter and a thermometer that injects in the cover is housed.Open several duck eyes in the both sides of copper sheathing, respectively be furnished with one or several infrared lamps, the aquarium base is on the electric furnace of a fixing heating, and the temperature of this constant temperature culture groove was realized through the copper sheathing radiation afterwards by conductivity meter control infrared lamp.Use above-mentioned thermostatic bath to cultivate crystal,, particularly run into more to be difficult to control when there's a sudden fall in temperature, can fluctuate more than 0.5 ℃ when serious, directly influence the crystalline quality owing to the influence that is subjected to outside air temperature causes that temperature fluctuation is big in the groove.Because a temperature instability, the crystalline scattering particles are serious, influence its optical homogeneity, and when putting seed crystal, difficult control of temperature often needs 1-2 days time, and the ability control stabilization reaches balance.
In order to overcome above shortcoming, be easier to controlled temperature and stablize, improve the crystalline quality, turn out of fine quality big monocrystalline, the utility model proposes the invention of liquid-seal type constant temperature culture groove, in order to replace air constant temperature culture groove.
This liquid-seal type constant temperature culture groove is made up of a water jacket and a glass aquarium, water jacket can be welded with plastic plate, also can make with materials such as cement, poly (methyl methacrylate) plates, groove can be a garden shape, quadrate or other shapes, respectively open the viewing window of transparent (synthetic glass) in the front and back of cell body, in order to observe the crystalline growing state.The glass aquarium places in the groove, and cylinder is along exceeding outside the groove, with gassiness rubber ring on the water jacket pad.Water jacket uses water as medium, is furnished with well heater, a thermopair and an electric mixer that has fluid-tight that is used for controlled temperature.This fluid-tight is the tightness system of the back-off each other that is processed into of the aluminium bar with two sections different diameters.The dress nutrient solution is furnished with a carrier crystal stand of being made by organic plastics in the aquarium, can carry the crystal that the 1-8 piece does not wait on the frame.Carrier crystal stand and glass cylinder cap intersection seal with the glass fluid-tight, adopt this device, because the thermal capacity of water is big, make temperature control precision reach ± 0.01 ℃, and each part good seal, water vapor is difficult for evaporation, cultivates so be suitable for the deuterate crystalline, equally also is applicable to other aqueous solution crystalline cultivations.
The size of water jacket can be according to the size of required aquarium and arbitrarily design; The used material of cell body can at will be selected, and is for the ease of observing, better with material transparent.
Adopt above-mentioned liquid-seal type constant temperature culture tank culture crystal, have the following advantages:
1, because temperature of the present utility model field is stable, improved the crystalline quality significantly, almost do not had scattering particles, and the crystal that air slot is cultivated all has scattering in various degree.
2, because in the metastable region that the temperature that the DKDP crystal is initial when cultivating is in cubic phase and the monocline stabilized zone mutually, thus if temperature is unstable, when temperature fluctuation to saturation curve following in limited time, stable monocline very easily occurs cultivation caused repeatedly.By the application more than 2 years, the utility model has overcome the threat of monocline phase basically.
3, alleviated labour intensity, during with the air thermostatic bath, often because of the variation of outside temperature will be artificially according to practical situation attemperation constantly, make it the temperature that as far as possible keeps original, and use the utility model just not have this problem.
4, it is easy to put seed crystal: only needed 2-3 hour just can equilibrate to saturation point when using the utility model to put seed crystal.And when putting seed crystal with air slot, the temperature of inside and outside groove often needed 1-2 days just can equilibrate to saturation point.
5, temperature-controlled precision of the present utility model reach ± 0.01 ℃, and the air slot temperature fluctuation is big, reaches during temperature Change ± more than 0.2 ℃, reach 0.5 ℃ when serious.
6, improved economic benefit, the crystal mass that uses the utility model device to cultivate out is good, the crystalline sell well.
The utility model is enclosed four width of cloth figure altogether, and wherein Fig. 1 is the side-view of air constant temperature culture groove, and Fig. 2 is the sectional view of Fig. 1; Fig. 3 is the front view of liquid-seal type constant temperature culture groove, and Fig. 4 is the sectional view of Fig. 3.Fig. 3, Fig. 4 are seen in the structural representation of liquid-seal type constant temperature culture groove.Be welded into water jacket 9 with plastic plate, a built-in glass aquarium 8, its cylinder places directly over the water jacket along being higher than water jacket, the external agitator 1 of joining well heater 6, thermopair 11 and fluid-tight 2, motor 3 are housed in the groove from the outer capping.A carrier crystal stand 12 is housed in the aquarium, carrier crystal stand exposes the upper end portion of glass cylinder cap and is furnished with reversible electric machine 4, fluid-tight 2, carrier crystal stand in cylinder is uploaded the crystal of being cultivated 7, the rubber sealing ring of inflating on the intersection pad of aquarium and water jacket 5, respectively open a viewing window 10 at the front-back of water jacket, in order to observe the crystal growth situation.
Embodiment:
1, be welded into a high 600mm with the thick plastic plate of 8mm, the cylindrical water jacket of φ 580mm, the macropore of opening a φ 300mm in lid central authorities are opened 5 apertures as plugging in well heater, thermopair, thermometer and cover external agitator as the cover aquarium on the lid limit.This external agitator is that the copper rod with φ 8mm is processed into the band blade, puts the agitator of motor, and agitator and water jacket intersection have the fluid-tight of the back-off each other that the aluminium bar of two sections different diameters of a usefulness is processed into.(cylinder is along wide 25mm with the glass jar of φ 300 * 450mm, the band ground) be inserted in the water jacket, open a mouth on the glass cover as the cover carrier crystal stand, reversible electric machine is equipped with the crystalline style that rotates in carrier crystal stand upper end, carrier crystal stand and glass cover intersection are adorned a glass fluid-tight, seal.At inner casing and water jacket intersection pad rubber sealing ring with φ 15mm.In water jacket, inject water as medium, in the glass aquarium, inject nutrient solution, put into seed crystal, the liquid-seal type constant temperature culture tank culture crystal that just can utilize the utility model to protect.
2, adopt above-mentioned liquid-seal type constant temperature culture groove, in 2.8 liters of culture solution, put a slice 110 * 110 * 2mm
3Seed crystal is controlled suitable rate of temperature fall, grows 110 * 110 * 125mm through about 9 months time
3, the complete transparent monocrystalline of 3200 grams that weigh.This DKDP crystal contains the deuterium amount and reaches 98%, when crystal is tested through the he-ne laser tube of 8 milliwatts, almost can't see scattering particles.
Claims (5)
1, a kind of constant temperature culture groove that is used for the potassium dideuterium phosphate single crystal growing, it is made up of glass aquarium of cover in the water jacket that is welded into plastic plate, it is characterized in that gassiness rubber ring seals on water jacket and the aquarium intersection pad; Water jacket is joined a companion's machine that stirs that fluid-tight, motor are housed.
2, constant temperature culture groove according to claim 1 is characterized in that described fluid-tight is the tightness system of the back-off each other that is processed into of the aluminium bar with two sections different diameters.
3, constant temperature culture groove according to claim 1 is characterized in that water jacket is welded into plastic plate.
4, constant temperature culture groove according to claim 3 is characterized in that water jacket also can make with materials such as cement, poly (methyl methacrylate) plates.
5, constant temperature culture groove according to claim 1 is characterized in that the water jacket size can design according to the size of required aquarium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92244877 CN2150215Y (en) | 1992-12-10 | 1992-12-10 | Constant-temp. cultivating tank for growth of potassium dideuterium phosphate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92244877 CN2150215Y (en) | 1992-12-10 | 1992-12-10 | Constant-temp. cultivating tank for growth of potassium dideuterium phosphate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2150215Y true CN2150215Y (en) | 1993-12-22 |
Family
ID=33784018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92244877 Expired - Lifetime CN2150215Y (en) | 1992-12-10 | 1992-12-10 | Constant-temp. cultivating tank for growth of potassium dideuterium phosphate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2150215Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100526519C (en) * | 2006-12-27 | 2009-08-12 | 钟毅 | Device for cultivating DKDP crystal with high-quality and high deuterium-content using light bath method |
| CN101684569B (en) * | 2008-09-23 | 2012-01-04 | 宁波大学 | Method and device for growing potassium dihydrogen phosphate single crystal |
| CN102425009A (en) * | 2011-11-29 | 2012-04-25 | 青岛大学 | KDP crystal all-dimension growing device |
-
1992
- 1992-12-10 CN CN 92244877 patent/CN2150215Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100526519C (en) * | 2006-12-27 | 2009-08-12 | 钟毅 | Device for cultivating DKDP crystal with high-quality and high deuterium-content using light bath method |
| CN101684569B (en) * | 2008-09-23 | 2012-01-04 | 宁波大学 | Method and device for growing potassium dihydrogen phosphate single crystal |
| CN102425009A (en) * | 2011-11-29 | 2012-04-25 | 青岛大学 | KDP crystal all-dimension growing device |
| CN102425009B (en) * | 2011-11-29 | 2014-03-26 | 青岛大学 | KDP crystal all-dimension growing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |