CN219839792U - Extension chamber for auxiliary furnace chamber of single crystal furnace - Google Patents
Extension chamber for auxiliary furnace chamber of single crystal furnace Download PDFInfo
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- CN219839792U CN219839792U CN202321029514.0U CN202321029514U CN219839792U CN 219839792 U CN219839792 U CN 219839792U CN 202321029514 U CN202321029514 U CN 202321029514U CN 219839792 U CN219839792 U CN 219839792U
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Abstract
The utility model provides an extension chamber for an auxiliary furnace chamber of a single crystal furnace, which comprises an upper cylinder body, a middle cylinder body and a lower cylinder body which are sequentially connected, wherein the outer edges of the upper end and the lower end of the upper cylinder body are respectively provided with an upper connecting flange and a lower connecting flange, the outer edges of the upper end and the lower end of the lower cylinder body are respectively provided with an upper connecting flange and a lower connecting flange, through cavities arranged in the upper cylinder body, the middle cylinder body and the lower cylinder body are respectively communicated with the inside of a lifting mechanism and the auxiliary chamber, the upper cylinder body, the middle cylinder body and the lower cylinder body are corrugated pipes, and the outer edges of the upper end and the lower end of the middle cylinder body are respectively provided with an upper disc and a lower disc. The beneficial effects of the utility model are as follows: the extension chamber is divided into an upper cylinder, a middle cylinder and a lower cylinder, so that only the damaged cylinder part can be replaced, and the cost investment is reduced; and each barrel is a corrugated pipe, the whole stretching length can be adjusted, and then the upper connecting disc, the lower disc, the upper connecting disc, the lower connecting disc and the upper connecting flange are relatively fixed by using the upper nut and the lower nut, so that the operation is convenient.
Description
Technical Field
The utility model belongs to the technical field of solar monocrystalline silicon production, and particularly relates to an extension chamber for a secondary furnace chamber of a monocrystalline furnace.
Background
The single crystal furnace is equipment for melting and purifying polycrystalline materials in an inert gas environment and consists of a pull head, an auxiliary chamber, a furnace cover and the like, wherein the extension chamber is one part of the single crystal furnace. At present, the indoor space is prolonged, so that the adjustment is inconvenient, and the applicability is reduced; the whole extension chamber needs to be replaced when the extension chamber is partially damaged, and the cost investment is high.
Disclosure of Invention
The utility model aims to provide an extension chamber for a secondary furnace chamber of a single crystal furnace, which is used for replacing a chamber body in sections, is convenient for adjusting the length of the extension chamber, is suitable for silicon rods with different lengths, and is particularly suitable for single crystal silicon rod production.
The technical scheme of the utility model is as follows: an extension chamber for a secondary furnace chamber of a single crystal furnace comprises an upper cylinder, a middle cylinder and a lower cylinder which are connected in sequence,
the upper and lower end outer edges of the upper cylinder are respectively provided with an upper connecting flange and a lower connecting flange, the upper and lower end outer edges of the lower cylinder are respectively provided with an upper connecting flange and a lower connecting flange, through cavities arranged in the upper cylinder, the middle cylinder and the lower cylinder are respectively communicated with the lifting mechanism and the inside of the auxiliary chamber,
the upper cylinder body, the middle cylinder body and the lower cylinder body are corrugated pipes, the outer edges of the upper end and the lower end of the middle cylinder body are respectively provided with an upper disc and a lower disc, the lower disc and the upper disc are respectively fixed through corresponding first bolts and nuts, sealing gaskets are respectively arranged between the lower disc and the upper disc and between the upper disc and the lower disc, left and right screws are respectively fixed on the left side and the right side of a lower connecting flange, the left and right screws respectively penetrate through corresponding holes on the upper disc, the lower disc, the upper disc, the lower disc and the upper connecting flange in sequence, and the left and right screws are respectively fixed through corresponding upper and lower nuts.
Preferably, the plurality of middle cylinders are sequentially connected from top to bottom, and the lower disc of one middle cylinder is fixed with the upper disc of the middle cylinder at the adjacent lower side, and the upper disc of the middle cylinder is fixed with the lower disc of the middle cylinder at the adjacent upper side through respective corresponding second bolts and nuts.
Preferably, a sealing gasket is arranged between two adjacent middle cylinder bodies.
Preferably, a baffle is fixed on both the left screw and the right screw above the upper connecting flange.
Preferably, the inner wall of each upper cylinder, middle cylinder and lower cylinder is provided with heat insulation cotton.
The utility model has the advantages and positive effects that: by adopting the technical scheme, the extension chamber is divided into the upper cylinder, the middle cylinder and the lower cylinder, so that only the damaged cylinder part can be replaced, and the cost investment is reduced; and each barrel is a corrugated pipe, the whole stretching length can be adjusted, and then the upper connecting disc, the lower disc, the upper connecting disc, the lower connecting disc and the upper connecting flange are relatively fixed by using the upper nut and the lower nut, so that the operation is convenient.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a top view of the upper cylinder.
In the figure:
1. upper cylinder 2, middle cylinder 3, lower cylinder
4. Upper connection flange 5, lower connection disc 6, upper connection disc
7. Lower connecting flange 8, upper plate 9 and lower plate
10. Left screw 11, right screw 12, upper nut
13. Lower nut 14, hole
Detailed Description
Examples
As shown in fig. 1 and 2, the technical proposal of the utility model is an extension chamber for a secondary furnace chamber of a single crystal furnace, which comprises an upper cylinder body 1, a middle cylinder body 2 and a lower cylinder body 3 which are connected in sequence,
the upper and lower end outer edges of the upper cylinder body 1 are respectively provided with an upper connecting flange 4 and a lower connecting disc 5, the upper connecting flange 4 is used for being connected with a lifting mechanism, the upper and lower end outer edges of the lower cylinder body 3 are respectively provided with an upper connecting disc 6 and a lower connecting flange 7, through cavities arranged in the upper cylinder body 1, the middle cylinder body 2 and the lower cylinder body 3 are respectively communicated with the lifting mechanism and the interior of the auxiliary chamber, the upper cylinder body 1, the middle cylinder body 2 and the lower cylinder body 3 are used for being arranged between the lifting mechanism and the auxiliary chamber of the single crystal furnace, the original single crystal furnace is modified to prolong the length of the cavity in the auxiliary chamber, the overlong single crystal silicon rod can not completely enter the cavity in the auxiliary chamber to affect the subsequent work, the single production yield can be improved by increasing the raw material investment in the production,
the upper cylinder body 1, the middle cylinder body 2 and the lower cylinder body 3 are all corrugated pipes, the outer edges of the upper end and the lower end of the middle cylinder body 2 are respectively provided with an upper disc 8 and a lower disc 9, the lower connecting disc 5 and the upper disc 8, the upper connecting disc 6 and the lower disc 9 are respectively fixed through corresponding first bolts and nuts, sealing gaskets are respectively arranged between the lower connecting disc 5 and the upper disc 8, and between the upper connecting disc 6 and the lower disc 9,
left screw rod 10, right screw rod 11 are fixed with respectively in lower flange 7 left and right sides, and left screw rod 10, right screw rod 11 pass respectively in proper order and go up connection pad 6, lower dish 9, upper dish 8, lower connection pad 5, go up corresponding hole 14 on flange 4, and all are fixed through corresponding upper nut 12, lower nut 13 between left screw rod 10, right screw rod 11 and each hole.
In this embodiment, baffles are fixed to both the left screw 10 and the right screw 11 above the upper connecting flange 4.
In the embodiment, the inner walls of each upper cylinder 1, each middle cylinder 2 and each lower cylinder 3 are provided with heat insulation cotton. Has the function of heat preservation in the auxiliary chamber.
Examples
The plurality of middle cylinders 2 are sequentially connected from top to bottom, and the lower disc 9 of one middle cylinder 2 is fixed with the upper disc 8 of the middle cylinder 2 at the adjacent lower side and the upper disc 8 of the middle cylinder 2 is fixed with the lower disc 9 of the middle cylinder 2 at the adjacent upper side through respective corresponding second bolts and nuts.
In this embodiment, a gasket is provided between two adjacent middle cylinders 2.
The working process and principle of this example: the upper connecting flange is used for being connected with the lifting mechanism, and the lower connecting flange is used for being connected with the auxiliary furnace chamber, so that through cavities formed in the upper cylinder, the middle cylinder and the lower cylinder are respectively communicated with the lifting mechanism and the inside of the auxiliary chamber, and when the whole height is required to be adjusted, the stretching length of each cylinder can be changed by adjusting each upper nut and each lower nut.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (5)
1. An extension chamber for a secondary furnace chamber of a single crystal furnace is characterized in that: the upper cylinder, the middle cylinder and the lower cylinder are corrugated pipes, the upper and lower end outer edges of the middle cylinder are respectively provided with an upper connecting flange and a lower connecting flange, sealing gaskets are respectively arranged between the lower connecting flange and the upper and lower plates, left and right screws are respectively fixed on the left and right sides of the lower connecting flange, pass through corresponding holes on the upper connecting flange, the lower plate, the upper and lower plates, and the left and right screws are respectively fixed through corresponding upper and lower nuts.
2. The extension chamber for a secondary furnace chamber of a single crystal furnace according to claim 1, wherein: the plurality of middle cylinders are sequentially connected from top to bottom, and the lower disc of one middle cylinder is fixed with the upper disc of the middle cylinder at the lower side adjacent to the lower disc of the middle cylinder, and the upper disc of the middle cylinder is fixed with the lower disc of the middle cylinder at the upper side adjacent to the upper disc of the middle cylinder through respective corresponding second bolts and nuts.
3. The extension chamber for a secondary furnace chamber of a single crystal furnace according to claim 1, wherein: a sealing gasket is arranged between two adjacent middle cylinders.
4. The extension chamber for a secondary furnace chamber of a single crystal furnace according to claim 1, wherein: the left screw and the right screw above the upper connecting flange are both fixed with baffles.
5. The extension chamber for a secondary furnace chamber of a single crystal furnace according to claim 1, wherein: the inner walls of each upper cylinder, each middle cylinder and each lower cylinder are provided with heat insulation cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321029514.0U CN219839792U (en) | 2023-05-04 | 2023-05-04 | Extension chamber for auxiliary furnace chamber of single crystal furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321029514.0U CN219839792U (en) | 2023-05-04 | 2023-05-04 | Extension chamber for auxiliary furnace chamber of single crystal furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219839792U true CN219839792U (en) | 2023-10-17 |
Family
ID=88298454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321029514.0U Active CN219839792U (en) | 2023-05-04 | 2023-05-04 | Extension chamber for auxiliary furnace chamber of single crystal furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219839792U (en) |
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2023
- 2023-05-04 CN CN202321029514.0U patent/CN219839792U/en active Active
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