CN206368211U - A kind of pull-type long crystal furnace - Google Patents
A kind of pull-type long crystal furnace Download PDFInfo
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- CN206368211U CN206368211U CN201621465555.4U CN201621465555U CN206368211U CN 206368211 U CN206368211 U CN 206368211U CN 201621465555 U CN201621465555 U CN 201621465555U CN 206368211 U CN206368211 U CN 206368211U
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- crucible
- pull
- crystal furnace
- type long
- long crystal
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Abstract
The utility model discloses a kind of pull-type long crystal furnace.It includes body, crucible cover and crucible, the two ends of the body are provided with casing, and its lower end is mounted with base, the outer surface of the body is provided with display, and its appearance surface rear end is connected with plug, the lower end of the display is provided with control panel, the upper end of the crucible cover is mounted with motor, the inside of the casing is provided with aspiration pump, the outer end of the crucible is provided with heat screen, the outer end of the heat screen is provided with radio-frequency coil, and its lower end is mounted with heater, the lower end of the crucible cover is connected with gland, the lower end of the gland is connected with lifting rod, chuck is installed on the lifting rod, and its inner bottom is provided with weight sensor, the lower end of the chuck is mounted with seed rod.The pull-type long crystal furnace uses micropore camera, can directly observe the growing state of crystal, provides favourable condition for control habit, enhances practicality.
Description
Technical field
The utility model is related to long crystal furnace technical field, specially a kind of pull-type long crystal furnace.
Background technology
Being typically prepared the method for carborundum is, using vertical pulling crystal bar preparation method.Specifically, its step is to feed：Will
The raw material for preparing carborundum is put into silica crucible；Melt：Long crystal furnace (vacuum graphite electricity is put into the silica crucible of raw material has been added
Hinder stove) in, then long crystal furnace is closed and inert gas is filled with after being evacuated, and is then opened graphite heater power supply, is heated to
More than fusion temperature, by melting sources；Necking-down Growth：After the temperature stabilization of melt, seed crystal is slowly immersed in crucible, will
Seed crystal is quickly lifted up, and the diameter of the seed crystal grown is narrowed down to 4-6mm；Shouldering grows：Grow after thin neck, temperature must be reduced
Degree and pulling rate so that the diameter of crystal increases to required size gradually；Isodiametric growth：After having grown thin neck and shoulder, by
The continuous adjustment of pulling rate and temperature, can be such that boule diameter maintains between positive and negative 2mm, and the part that this section of diameter is fixed is referred to as etc.
Path portion；Afterbody grows：After equal-diameter part has been grown, it is necessary to first slowly reduce the diameter of crystal bar, until into a cusp and
Separated with liquid level, the crystal bar grown is raised to furnace chamber and cools down taking-up after a period of time, that is, completes a growth cycle.
Existing long crystal furnace is difficult to direct observation in crystal growing process, and growth cycle is long, if while crystal
Directly contacted in growth course with crucible, more impurity can be produced in crystal.
Utility model content
The purpose of this utility model is to provide a kind of pull-type long crystal furnace, existing to solve to propose in above-mentioned background technology
Long crystal furnace be difficult to direct observation in crystal growing process, growth cycle is long, if while crystal is in growth course
Directly contacted with crucible, the problem of more impurity being produced in crystal.
To achieve the above object, the utility model provides a kind of following pull-type long crystal furnace of technical scheme, including body, earthenware
Crucible lid and crucible, the two ends of the body are provided with casing, and its lower end is mounted with base, and the outer surface of the body is provided with
Display, and its appearance surface rear end is connected with plug, the lower end of the display is provided with control panel, the crucible cover it is upper
End is mounted with motor, and the inside of the casing is provided with aspiration pump, and the outer end of the crucible is provided with heat screen, the heat screen
Outer end be provided with radio-frequency coil, and its lower end is mounted with heater, and the lower end of the crucible cover is connected with gland, described solid
The lower end for determining head is connected with lifting rod, the lifting rod and is provided with chuck, and its inner bottom is provided with weight sensor, institute
The lower end for stating chuck is mounted with seed rod.
It is preferred that, micropore camera is provided with the outer surface of the crucible cover.
It is preferred that, the seed rod is detachable connecting device with lifting rod.
It is preferred that, the right-hand member of the body is provided with air pump.
It is preferred that, the lifting rod is retractor device, and it stretches for 0-15cm.
Compared with prior art, the beneficial effects of the utility model are：The pull-type long crystal furnace uses micropore camera, can
Directly to observe the growing state of crystal, favourable condition is provided for control habit；Increase seed on lifting rod simultaneously
Crystalline style, and itself and seed rod are detachable connecting device, can form crystalline substance of different shapes using seed rod according to actual conditions
Body, strengthens its practicality, while can prevent seed crystal from touching sidewall of crucible in crystallization process；Increase inside aspiration pump, removing
Oxygen, prevents there is bubble in crystal product；Weight sensing is provided with, the weight of crystallization can be not only directly acquainted with, while can
The speed and internal temperature of crystallization are controlled according to the weight of crystallization, the crystallization situation of internal body is reacted indirectly.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the utility model surface structure schematic diagram.
In figure：1st, body, 2, casing, 3, base, 4, display, 5, control panel, 6, crucible cover, 7, motor, 8, pumping
Pump, 9, crucible, 10, heat screen, 11, radio-frequency coil, 12, heater, 13, gland, 14, lifting rod, 15, chuck, 16, seed crystal
Bar, 17, micropore camera, 18, plug, 19, air pump, 20, weight sensor.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of pull-type long crystal furnace, including body 1, case
Body 2, base 3, display 4, control panel 5, crucible cover 6, motor 7, aspiration pump 8, crucible 9, heat screen 10, radio-frequency coil 11,
Heater 12, gland 13, lifting rod 14, chuck 15, seed rod 16, micropore camera 17, plug 18, air pump 19 and weight are passed
Sensor 20, the two ends of body 1 are provided with casing 2, and its lower end is mounted with base 3, and the right-hand member of body 1 is provided with air pump 19, machine
The outer surface of body 1 is provided with display 4, and its appearance surface rear end is connected with plug 18, and the lower end of display 4 is provided with chain of command
Plate 5, the upper end of crucible cover 6, which is mounted with motor 7, the outer surface of crucible cover 6, is provided with micropore camera 17, can directly observe
The growing state of crystal, provides favourable condition, the inside of casing 2 is provided with aspiration pump 8, crucible 9 for control habit
Outer end be provided with heat screen 10, the outer end of heat screen 10 is provided with radio-frequency coil 11, and its lower end is mounted with heater 12, earthenware
The lower end of crucible lid 6 is connected with gland 13, and the lower end of gland 13 is connected with lifting rod 14, and lifting rod 14 is retractor device, and
It is stretched for 0-15cm, and chuck 15 is provided with lifting rod 14, and its inner bottom is provided with weight sensor 20, chuck 15
Lower end is mounted with seed rod 16, and seed rod 16 is detachable connecting device with lifting rod 14, is used according to actual conditions, flexibility
By force.
Operation principle：, it is necessary to which the structure to whole device is simply understood before using the pull-type long crystal furnace,
Before use, using aspiration pump 8 and air pump 19, the air inside body 1 is extracted out, and inert gas is filled with, plugs in 18,
Sapphire raw material will be put into crucible 9, seed crystal is clamped using chuck 15, and reduce lifting rod 14, heater 12 is in crucible 9
Melt heated, when the temperature of melt is heated to preset value, seed crystal neither melts, and does not also grow, and slowly carries
Pull bar 14 and rotation seed rod 16, control slowly to reduce heating power, seed crystal is grown into using control panel 5, until raw
Length to a certain extent, while weight sensor 20 senses the weight of crystal, and transfers data to display 4, while micropore is taken the photograph
As first 17 are reacted to crystallographic image on display 4, after terminating, crystalline solid is taken out.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it can still be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered
Row equivalent substitution, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc. all should
Within protection domain of the present utility model.
Claims (5)
1. a kind of pull-type long crystal furnace, including body (1), crucible cover (6) and crucible (9), it is characterised in that：The body (1)
Two ends casing (2) is installed, and its lower end is mounted with base (3), and the outer surface of the body (1) is provided with display (4),
And its appearance surface rear end is connected with plug (18), the lower end of the display (4) is provided with control panel (5), the crucible cover
(6) upper end is mounted with motor (7), and the inside of the casing (2) is provided with aspiration pump (8), and the outer end of the crucible (9) is set
There is heat screen (10), the outer end of the heat screen (10) is provided with radio-frequency coil (11), and its lower end is mounted with heater (12),
The lower end of the crucible cover (6) is connected with gland (13), and the lower end of the gland (13) is connected with lifting rod (14), described
Chuck (15) is installed on lifting rod (14), and its inner bottom is provided with weight sensor (20), the chuck (15)
End is mounted with seed rod (16).
2. a kind of pull-type long crystal furnace according to claim 1, it is characterised in that：On the outer surface of the crucible cover (6)
It is provided with micropore camera (17).
3. a kind of pull-type long crystal furnace according to claim 1, it is characterised in that：The seed rod (16) and lifting rod
(14) it is detachable connecting device.
4. a kind of pull-type long crystal furnace according to claim 1, it is characterised in that：The right-hand member of the body (1) is provided with
Air pump (19).
5. a kind of pull-type long crystal furnace according to claim 1, it is characterised in that：The lifting rod (14) is flexible dress
Put, and it stretches for 0-15cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621465555.4U CN206368211U (en) | 2016-12-29 | 2016-12-29 | A kind of pull-type long crystal furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621465555.4U CN206368211U (en) | 2016-12-29 | 2016-12-29 | A kind of pull-type long crystal furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206368211U true CN206368211U (en) | 2017-08-01 |
Family
ID=59393093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621465555.4U Active CN206368211U (en) | 2016-12-29 | 2016-12-29 | A kind of pull-type long crystal furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206368211U (en) |
-
2016
- 2016-12-29 CN CN201621465555.4U patent/CN206368211U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" |
Address after: No.99, Tianyue South Road, Huaiyin District, Jinan City, Shandong Province Patentee after: Shandong Tianyue advanced technology Co., Ltd Address before: Room 1106-6-01, block AB, Century Fortune Center, west side of Xinyu Road, high tech Zone, Jinan City, Shandong Province Patentee before: Shandong Tianyue Advanced Materials Technology Co.,Ltd. |
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| CP03 | "change of name, title or address" |