CN202246430U - Device for coating barium hydroxide on quartz crucible - Google Patents
Device for coating barium hydroxide on quartz crucible Download PDFInfo
- Publication number
- CN202246430U CN202246430U CN2011203457097U CN201120345709U CN202246430U CN 202246430 U CN202246430 U CN 202246430U CN 2011203457097 U CN2011203457097 U CN 2011203457097U CN 201120345709 U CN201120345709 U CN 201120345709U CN 202246430 U CN202246430 U CN 202246430U
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- quartz crucible
- nitrogen
- carbon dioxide
- manual valve
- atomizing nozzle
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Abstract
The utility model discloses a device for coating barium hydroxide on a quartz crucible. The device comprises a spraying system, a quartz crucible rotary supporting mechanism and an atomizing nozzle up-and-down reciprocating motion mechanism, wherein the spraying system comprises a liquid medicine cyclic heating mechanism, a nitrogen protection mechanism, a liquid supply mechanism and a carbon dioxide supply mechanism. According to the device, nitrogen serves as a protective gas, so the barium hydroxide solution is not reacted with the carbon dioxide in the air and other impurities are not mixed; pure barium hydroxide solution is sprayed, so pollution caused by other impurities is avoided; the device has a simple structure and is easy to manufacture; and the device with the method is simple to operate, convenient to control and easy to master.
Description
Technical field
The utility model belongs to the quartz cell coatings art, particularly a kind of device that is used for quartz crucible hydrated barta coating.
Background technology
Quartz crucible itself be amorphousness Jie's attitude can, he can undergoing phase transition and form stable cristobalite crystal form under suitable condition, along with the increase of crystal-pulling time, possibly make that the cristobalite crystallization is whole to peel off.The cristobalite particle that these peel off waves in solution along with flowing.Most particle can be dissolved in the solution after certain hour fully.Yet some probability still, the bigger particle of part promptly knocks the surface of crystal bar down, and causes the generation of dislocation not fully before the dissolving.The probability of generation dislocation is along with the duration of service and the temperature of quartz crucible increase and increase.
Recently discover, the quartz crucible wall is coated with the hydrated barta (Ba (OH) that last layer contains crystal water
2.8H
2O), this layer hydrated barta can form barium carbonate with the carbon dioxide in air reaction.And when this quartz crucible was heated on single crystal growing furnace, barium carbonate can be decomposed to form barium oxide, along with barium oxide and quartz crucible reaction form silicon acid barium (BaSiO
3).Because the existence of silicon acid barium, make to form the fine and close small cristobalite crystallization of one deck on the quartz crucible wall.This small cristobalite crystallization is difficult to by the solution infiltration and peels off, and is also dissolved by solution very soon even peel off, and therefore can significantly improve the work-ing life and the long brilliant yield of quartz crucible.Forming one deck cristobalite crystalline benefit in addition on the inner wall of quartz crucible surface, is the intensity that it can increase quartz crucible, reduces the hot mastication phenomenon.
Before the utility model is made; Quartz crucible hydrated barta coating process generally adopted the way of artificial coating in the past; The barium hydroxide solution for preparing not under protection of nitrogen gas and the carrier gas of the general spray tank that adopts be pressurized air; And receive the influence of factor and individual subjective factor during manual operation, can not realize all even stability of coating film.Utility model " quartz crucible coating machine " (patent No. ZL 200920014435.6) has been introduced a kind of equipment that is used for quartz crucible hydrated barta coating; But barium hydroxide solution adopts carbonic acid gas directly to drive spraying in this equipment; Spraying coating process is simpler; Solution in carbonic acid gas and the hydrated barta container for storing liquid reacts easily; Influence spraying effect, and spray pattern adopts in this method is not two fluid pressure atomization systems, can not form atomizing uniformly, atomizing effect that atomizing particle is little.
The utility model content
The purpose of the utility model is the deficiency that overcomes prior art, and a kind of device that is used for quartz crucible hydrated barta coating is provided.
The technical scheme that the utility model adopts is: a kind of device that is used for quartz crucible hydrated barta coating comprises fog system, quartz crucible rotary support mechanism and atomizing nozzle traveling mechanism up and down reciprocatingly;
Said fog system comprises soup circulation heating arrangements, nitrogen protection mechanism, liquid supplying device and carbonic acid gas organization of supply;
Said circulation heating arrangements comprises pneumatic diaphragm pump, spray tank, TP and U type heating tube; Said pneumatic diaphragm pump is connected with the upper and lower of spray tank respectively through pipeline, is provided with TP and the U type heating tube of measuring fluid temperature in the spray tank in the spray tank;
Said nitrogen protection mechanism comprises that first advances nitrogen pipeline, row of air tubes, nitrogen flow variable valve, water tank, spray tank top manual valve, water tank top manual valve and vent valve; Said first advances nitrogen pipeline is connected with spray tank with water tank respectively; First advances nitrogen pipeline is provided with the nitrogen flow variable valve; Said row of air tubes is connected with spray tank with water tank respectively, and row of air tubes is provided with spray tank top manual valve, water tank top manual valve and vent valve;
Said liquid supplying device comprises that second advances nitrogen pipeline, nitrogen pressure variable valve, nitrogen air inlet SV, hydrojet SV, water spray SV, the transparent drug liquid tube of band scale, the transparent water pipe of band scale, spray tank below manual valve, water tank below manual valve and atomizing nozzle; Manual valve advances nitrogen pipeline and is connected with second respectively below said spray tank below manual valve and the water tank; Second advances nitrogen pipeline is provided with nitrogen pressure variable valve and nitrogen air inlet SV; Said spray tank below manual valve is connected with the hydrojet SV through the transparent drug liquid tube of band scale; Water tank below manual valve is connected with the water spray SV through the transparent water pipe of band scale, and the hydrojet SV is connected with atomizing nozzle through pipeline with the water spray SV;
Said carbonic acid gas organization of supply comprises into carbon dioxide conduit, pressurized carbon dioxide force regulating valve and carbon dioxide SV; Saidly advance carbon dioxide conduit and be connected, advance carbon dioxide conduit and be provided with pressurized carbon dioxide force regulating valve and carbon dioxide SV with atomizing nozzle;
Said quartz crucible rotary support mechanism comprises stationary fixture, pallet and turning axle, on the said turning axle pallet is installed, and pallet is provided with the adjustable fixation clamp that is used to place quartz crucible;
Said atomizing nozzle up and down reciprocatingly traveling mechanism comprises mounting bracket, cylinder, cylinder upper limit and cylinder lower limit; Said atomizing nozzle is installed on the mounting bracket; Mounting bracket is connected with cylinder, and cylinder is provided with cylinder upper limit and cylinder lower limit.
As preferably, the stationary fixture of said quartz crucible rotary support mechanism is an adjustable fixation clamp, can regulate the quartz crucible of the stationkeeping different size of adjustable fixation clamp.
As preferably, said atomizing nozzle mounting bracket is the L type mechanism of a rotatable adjusting atomizing nozzle angle.
Beneficial effect: 1, the utility model adopts nitrogen as shielding gas, can guarantee that barium hydroxide solution does not react with carbon dioxide in air, can not sneak into other impurity, is pure cerium hydroxide barium solution when making spraying, avoids the pollution of other impurity.
Adopt two fluid press atomization systems when 2, the utility model sprays, adopt high-purity carbon dioxide and liquid friction, it is littler to access particulate, more uniformly spray effect.
3, the utility model atomizing nozzle in the quartz crucible rotation pumps with respect to quartz crucible; Each position, inner wall of quartz crucible surface is fully contacted with soup; And increased by one section water spray technology after having sprayed soup, made soup more even in the quartz crucible surface arrangement.
Description of drawings
Fig. 1 is the fog system structural representation of the utility model quartz crucible hydrated barta coating device;
Fig. 2 is the utility model spray chamber structural representation.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further:
As illustrated in fig. 1 and 2: a kind of device that is used for quartz crucible hydrated barta coating comprises fog system, quartz crucible rotary support mechanism and atomizing nozzle traveling mechanism up and down reciprocatingly;
Said fog system comprises soup circulation heating arrangements, nitrogen protection mechanism, liquid supplying device and carbonic acid gas organization of supply;
Said circulation heating arrangements comprises pneumatic diaphragm pump 6, spray tank 8, TP 9 and U type heating tube 10; Said pneumatic diaphragm pump 6 is connected with the upper and lower of spray tank 8 respectively through pipeline; The circulation of realization soup; Be provided with the TP 9 and U type heating tube 10 of measuring fluid temperature in the spray tank in the spray tank 8, TP 9 feeds back to temperature controller control U type heating tube 10 and heats;
Said nitrogen protection mechanism comprises that first advances nitrogen pipeline, row of air tubes, nitrogen flow variable valve 18, water tank 15, spray tank top manual valve 11, water tank top manual valve 14 and vent valve 13; Said first advances nitrogen pipeline is connected with spray tank 8 with water tank 15 respectively; First advances nitrogen pipeline is provided with nitrogen flow variable valve 18; Said row of air tubes is connected with spray tank 8 with water tank 15 respectively, and row of air tubes is provided with spray tank top manual valve 11, water tank top manual valve 14 and vent valve 13;
Said liquid supplying device comprises that second advances the transparent water pipe of the transparent drug liquid tube of nitrogen pipeline, nitrogen pressure variable valve 20, nitrogen air inlet SV 16, hydrojet SV 4, water spray SV 22, band scale 5, band scale 19, spray tank below manual valve 7, water tank below manual valve 17 and atomizing nozzle 1; Manual valve 17 advances nitrogen pipeline and is connected with second respectively below said spray tank below manual valve 7 and the water tank; Second advances nitrogen pipeline is provided with nitrogen pressure variable valve 20 and nitrogen air inlet SV 16; Said spray tank below manual valve 7 is through being with the transparent drug liquid tube 5 of scale to be connected with hydrojet SV 4; Water tank below manual valve 17 is connected with water spray SV 22 through the transparent water pipe 19 of band scale, and hydrojet SV 4 is connected with atomizing nozzle 1 through pipeline with water spray SV 22; Before the beginning feed flow spray tank below manual valve 7 and water tank below manual valve 17 are opened; Make the transparent water pipe 19 interior fulls of liquid of transparent drug liquid tube 5 of band scale and band scale; The power that provides through nitrogen pressure variable valve 20 control nitrogen pressures, by nitrogen during feed flow is realized the conveying of soup and water; Folding through hydrojet SV 4 and water spray SV 22 realizes the switching that soup and water are carried, and nitrogen can guarantee the protection to soup simultaneously.
Said carbonic acid gas organization of supply comprises into carbon dioxide conduit, pressurized carbon dioxide force regulating valve 3 and carbon dioxide SV 2; Saidly advance carbon dioxide conduit and be connected with atomizing nozzle 1; Advance carbon dioxide conduit and be provided with pressurized carbon dioxide force regulating valve 3 and carbon dioxide SV 2; 3 controls of pressurized carbon dioxide force regulating valve get into the pressure of the carbonic acid gas of atomizing nozzle, the folding of carbon dioxide SV 2 control carbonic acid gas supplies;
Said quartz crucible rotary support mechanism comprises stationary fixture 28, pallet 29 and turning axle 30, on the said turning axle 30 pallet 29 is installed, and pallet 29 is provided with the adjustable fixation clamp 28 that is used to place quartz crucible 24; Through 30 rotations of driven by motor turning axle, the quartz crucible 24 on the pallet 29 is at the uniform velocity rotated around turning axle 30 axle center;
Said atomizing nozzle up and down reciprocatingly traveling mechanism comprises mounting bracket 23, cylinder 26, cylinder upper limit 25 and cylinder lower limit 27; Said atomizing nozzle is installed on the mounting bracket 23; Mounting bracket 23 is connected with cylinder 26, and cylinder 26 is provided with cylinder upper limit 25 and cylinder lower limit 27; Mounting bracket 23 is along with the running up and down of cylinder 26 pumps with respect to quartz crucible, and it is even to help the quartz crucible inner surface coating.
The stationary fixture 28 of said quartz crucible rotary support mechanism is an adjustable fixation clamp 28, can regulate the quartz crucible 24 of the stationkeeping different size of adjustable fixation clamp 28.The L type mechanism that said atomizing nozzle mounting bracket 23 is rotatable adjusting atomizing nozzle 1 angle.
Claims (3)
1. a device that is used for quartz crucible hydrated barta coating is characterized in that: comprise fog system, quartz crucible rotary support mechanism and atomizing nozzle traveling mechanism up and down reciprocatingly;
Said fog system comprises soup circulation heating arrangements, nitrogen protection mechanism, liquid supplying device and carbonic acid gas organization of supply;
Said circulation heating arrangements comprises pneumatic diaphragm pump, spray tank, TP and U type heating tube; Said pneumatic diaphragm pump is connected with the upper and lower of spray tank respectively through pipeline, is provided with TP and the U type heating tube of measuring fluid temperature in the spray tank in the spray tank;
Said nitrogen protection mechanism comprises that first advances nitrogen pipeline, row of air tubes, nitrogen flow variable valve, water tank, spray tank top manual valve, water tank top manual valve and vent valve; Said first advances nitrogen pipeline is connected with spray tank with water tank respectively; First advances nitrogen pipeline is provided with the nitrogen flow variable valve; Said row of air tubes is connected with spray tank with water tank respectively, and row of air tubes is provided with spray tank top manual valve, water tank top manual valve and vent valve;
Said liquid supplying device comprises that second advances nitrogen pipeline, nitrogen pressure variable valve, nitrogen air inlet SV, hydrojet SV, water spray SV, the transparent drug liquid tube of band scale, the transparent water pipe of band scale, spray tank below manual valve, water tank below manual valve and atomizing nozzle; Manual valve advances nitrogen pipeline and is connected with second respectively below said spray tank below manual valve and the water tank; Second advances nitrogen pipeline is provided with nitrogen pressure variable valve and nitrogen air inlet SV; Said spray tank below manual valve is connected with the hydrojet SV through the transparent drug liquid tube of band scale; Water tank below manual valve is connected with the water spray SV through the transparent water pipe of band scale, and the hydrojet SV is connected with atomizing nozzle through pipeline with the water spray SV;
Said carbonic acid gas organization of supply comprises into carbon dioxide conduit, pressurized carbon dioxide force regulating valve and carbon dioxide SV; Saidly advance carbon dioxide conduit and be connected, advance carbon dioxide conduit and be provided with pressurized carbon dioxide force regulating valve and carbon dioxide SV with atomizing nozzle;
Said quartz crucible rotary support mechanism comprises stationary fixture, pallet and turning axle, on the said turning axle pallet is installed, and pallet is provided with the adjustable fixation clamp that is used to place quartz crucible;
Said atomizing nozzle up and down reciprocatingly traveling mechanism comprises mounting bracket, cylinder, cylinder upper limit and cylinder lower limit; Said atomizing nozzle is installed on the mounting bracket; Mounting bracket is connected with cylinder, and cylinder is provided with cylinder upper limit and cylinder lower limit.
2. a kind of device that is used for quartz crucible hydrated barta coating according to claim 1; It is characterized in that: the stationary fixture of said quartz crucible rotary support mechanism is an adjustable fixation clamp, can regulate the quartz crucible of the stationkeeping different size of adjustable fixation clamp.
3. a kind of device that is used for quartz crucible hydrated barta coating according to claim 1 is characterized in that: said atomizing nozzle mounting bracket is the L type mechanism of a rotatable adjusting atomizing nozzle angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203457097U CN202246430U (en) | 2011-09-15 | 2011-09-15 | Device for coating barium hydroxide on quartz crucible |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203457097U CN202246430U (en) | 2011-09-15 | 2011-09-15 | Device for coating barium hydroxide on quartz crucible |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202246430U true CN202246430U (en) | 2012-05-30 |
Family
ID=46107702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203457097U Withdrawn - After Issue CN202246430U (en) | 2011-09-15 | 2011-09-15 | Device for coating barium hydroxide on quartz crucible |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202246430U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102336527A (en) * | 2011-09-15 | 2012-02-01 | 江苏华尔光电材料股份有限公司 | Device and method for coating quartz crucible barium hydroxide |
-
2011
- 2011-09-15 CN CN2011203457097U patent/CN202246430U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102336527A (en) * | 2011-09-15 | 2012-02-01 | 江苏华尔光电材料股份有限公司 | Device and method for coating quartz crucible barium hydroxide |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120530 Effective date of abandoning: 20130612 |
|
| RGAV | Abandon patent right to avoid regrant |