CN213037879U

CN213037879U - Carbon-carbon crucible for preparing crystalline silicon

Info

Publication number: CN213037879U
Application number: CN202021882152.6U
Authority: CN
Inventors: 刘赫; 李春波; 董晨名; 孙磊; 秦晔
Original assignee: Tianjin Jinwo Energy Technology Co ltd
Current assignee: Inner Mongolia Siliko Energy Technology Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-04-23
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses a crystalline silicon preparation carbon crucible, including crucible drum wall, crucible base and crucible lid, open crucible drum wall upper end front side and be equipped with the venthole, and crucible drum wall left side fixed mounting has an upper handle to the triangle recess has been seted up to terminal surface under the crucible drum wall, and the terminal surface is connected with the triangle lug under the triangle recess. The utility model discloses a crucible cover, including crucible base, crucible cover, crucible base upper end face is fixed with the triangle lug, and crucible base right side fixed mounting has a lower handle, fixedly connected with lid handle is covered to the crucible, and open in the front of the lower end face of crucible cover and be equipped with the gaikou, and the terminal surface reservation has crucible drum wall under the crucible cover. This carbon-carbon crucible is prepared to crystal silicon separates crucible cylinder wall and crucible base, and crucible cylinder wall adopts carbon/carbon combined material to make, and crucible base adopts graphite to make, and long service life practices thrift graphite, is equipped with the handle at crucible cylinder wall and crucible base outer wall, and convenient transportation removes for it is more convenient to prepare.

Description

Carbon-carbon crucible for preparing crystalline silicon

Technical Field

The utility model relates to a carbon-carbon crucible technical field specifically is a crystalline silicon preparation carbon-carbon crucible.

Background

Carbon-carbon crucibles are deep-bottomed bowl-shaped containers made of carbon/carbon composite materials, and when solids are to be heated by a strong fire, the crucibles must be used. As it is more tolerant of high temperatures than glassware. The crucible is generally used without placing the melt too full to prevent the hot objects from jumping out and to allow free access of air for possible oxidation reactions.

However, the existing carbon-carbon crucible has the following problems:

the carbon-carbon crucible has the problems of high manufacturing cost, difficult manufacturing, difficult taking out in the furnace cleaning process and inconvenient transportation.

Aiming at the problems, innovative design is urgently needed on the basis of the original door frame welding device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a crystalline silicon preparation carbon-carbon crucible to it is higher to solve above-mentioned background art and propose current carbon-carbon crucible manufacturing cost, and the preparation difficulty is also more difficult taking out clear stove in-process, transports also inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a crystalline silicon preparation carbon crucible, includes crucible drum wall, crucible base and crucible lid, open in crucible drum wall upper end front side and be equipped with the venthole, and crucible drum wall left side fixed mounting has an upper handle to the triangle recess has been seted up to terminal surface under the crucible drum wall, and the terminal surface is connected with the triangle lug under the triangle recess. The utility model discloses a crucible cover, including crucible base, crucible cover, crucible base upper end face is fixed with the triangle lug, and crucible base right side fixed mounting has a lower handle, fixedly connected with lid handle is covered to the crucible, and open in the front of the lower end face of crucible cover and be equipped with the gaikou, and the terminal surface reservation has crucible drum wall under the crucible cover.

2 upper handles are symmetrically arranged on the outer wall of the cylindrical wall of the crucible.

Preferably, 2 upper handles are symmetrically arranged on the outer wall of the cylindrical wall of the crucible.

Preferably, the cylindrical wall of the crucible is made of carbon/carbon composite material, and the crucible base is made of graphite.

Preferably, the thickness of the crucible cylindrical wall is the same as that of the crucible base, the diameter of the crucible cylindrical wall is the same as that of the crucible base, and the triangular groove is aligned with the triangular bump.

Preferably, 2 lower handles are symmetrically arranged on the outer wall of the crucible base.

Preferably, the diameter of the outer wall of the lower end of the crucible cover is smaller than the diameter of the inner wall of the cylindrical wall of the crucible, and the air outlet is at an angle of 45 degrees with the cylindrical wall of the crucible.

Compared with the prior art, the beneficial effects of the utility model are that: the carbon-carbon crucible for preparing the crystal silicon separates a crucible cylindrical wall and a crucible base, the crucible cylindrical wall is made of the carbon/carbon composite material, the crucible base is made of graphite, the service life is long, the graphite is saved, handles are arranged on the crucible cylindrical wall and the outer wall of the crucible base, the transportation and the movement are convenient, and the preparation is more convenient;

1. 2 upper handles are symmetrically arranged on the outer wall of the cylindrical wall of the crucible, and 2 lower handles are symmetrically arranged on the outer wall of the crucible base, so that the crucible base is convenient to transport and move when in use;

2. the thickness of the crucible cylinder wall is the same as that of the crucible base, and the diameter of the crucible cylinder wall is the same as that of the crucible base, so that the carbon-carbon crucible for preparing crystal silicon is divided into two parts which can be separated or closed through a triangular groove;

3. the crucible cylinder wall is made of carbon/carbon composite materials, and the crucible base is made of graphite, so that the cost is reduced, the crucible base is convenient to replace, and the service life is longer.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is a schematic view of a sectional structure of the crucible base of the present invention;

FIG. 4 is a schematic cross-sectional view of the cylindrical wall of the crucible of the present invention;

fig. 5 is a schematic view of the crucible cover structure of the present invention.

In the figure: 1. an air outlet; 2. a triangular bump; 3. an upper handle; 4. a cylindrical wall of the crucible; 5. a crucible base; 6. a lower handle; 7. covering the opening; 8. a crucible cover; 9. a lid handle; 10. a triangular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a brilliant silicon preparation carbon crucible, includes venthole 1, triangle lug 2, goes up handle 3, crucible cylinder wall 4, crucible base 5, lower handle 6, gaikou 7, crucible lid 8, lid handle 9 and

triangle recess

10, 4 upper ends front sides of crucible cylinder wall are opened and are equipped with

venthole

1, and 4 left sides fixed mounting of crucible cylinder wall have last handle 3 to the triangle recess 10 has been seted up to terminal surface under the crucible cylinder wall 4, and the terminal surface is connected with triangle lug 2 under the triangle recess 10. The upper end face of the crucible base 5 is fixed with a triangular lug 2, a lower handle 6 is fixedly mounted on the right side of the crucible base 5, a cover handle 9 is fixedly connected onto the crucible cover 8, a cover opening 7 is formed in the front side of the lower end face of the crucible cover 8, and a crucible cylinder wall 4 is reserved on the lower end face of the crucible cover 8.

2 upper handles 3 are symmetrically arranged on the outer wall of the cylindrical wall 4 of the crucible.

In the embodiment, 2 upper handles 3 are symmetrically arranged on the outer wall of the cylindrical wall 4 of the crucible, and 2 lower handles 6 are symmetrically arranged on the outer wall of the crucible base 5, so that the transportation and the movement during use are convenient.

The bottom crucible cylinder wall 4 is made of carbon/carbon composite materials, and the crucible base 5 is made of graphite, so that the cost is reduced, the crucible base 5 is convenient to replace, and the service life is longer.

The thickness of 4 thickness of crucible drum wall is the same with 5 thickness of crucible base, and 4 diameters of crucible drum wall are the same with 5 diameters of crucible base to triangle recess 10 aligns with triangle lug 2, makes crystal silicon preparation carbon crucible divide into two parts, can part, also can close through triangle recess 10, conveniently changes crucible base 5.

The diameter of the outer wall of the lower end of the crucible cover 8 is smaller than the diameter of the inner wall of the crucible cylinder wall 4, so that the crucible cover 8 can be arranged above the crucible cylinder wall 4, the air outlet 1 and the crucible cylinder wall 4 form an angle of 45 degrees, the air can be ventilated through the air outlet 1 and the cover opening 7, the heated objects are prevented from jumping out, and air can freely enter and exit to perform possible oxidation reaction.

The working principle is as follows: when the carbon-carbon crucible is prepared by using the crystalline silicon, firstly, as shown in the figures 1-4, a tool penetrates through holes in 2 lower handles 6, the crucible base 5 is lifted, the crucible base 5 is placed inside a single crystal furnace, then the tool penetrates through the holes in 2 upper handles 3, the crucible cylindrical wall 4 is lifted, the crucible cylindrical wall 4 is placed above the triangular lug 2 along the triangular groove 10, the crucible cylindrical wall 4 is tightly connected with the crucible base 5, a heated object is placed inside the carbon-carbon crucible prepared by using the crystalline silicon, then, as shown in the figure 4, the crucible cover 8 is placed above the crucible cylindrical wall 4, the heated object of the carbon-carbon crucible prepared by using the crystalline silicon is prevented from jumping out when the carbon-carbon crucible prepared by using the crystalline silicon is heated, and the crucible cover 8 is rotated to enable the cover opening 7 to be aligned with the air outlet hole 1, so that air can freely enter. After heating, the whole crystalline silicon is taken out to prepare the carbon-carbon crucible, the crucible cover 8 is lifted out after the crystalline silicon is opened and penetrates through the cover handle 9 through a tool, the crucible cover 8 is placed and cooled, the crucible cover 8 penetrates through holes in the 2 upper handles 3 through the tool, the crucible cylindrical wall 4 is lifted, the crucible cylindrical wall 4 is placed and cooled, then a heated object is taken out, the crucible base 5 is lifted up after the crucible base 5 is placed and cooled.

The crucible base 5 is made of graphite, the service life of the crucible base is about 30-40 furnaces, the graphite can be saved by replacing the crucible base 5, the crucible cylinder wall 4 is made of carbon/carbon composite materials, the service life of the crucible cylinder wall is about 150 furnaces, and the service life is greatly prolonged.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a crystalline silicon preparation carbon crucible, includes crucible drum wall (4), crucible base (5) and crucible lid (8), its characterized in that: the utility model discloses a crucible cover, including crucible cover, crucible drum wall (4), triangle recess (10) and triangle lug (2), crucible drum wall (4) upper end front side is opened and is equipped with venthole (1), and crucible drum wall (4) left side fixed mounting have last handle (3) to the terminal surface has been seted up under crucible drum wall (4) triangle recess (10), and the terminal surface is connected with triangle lug (2) under triangle recess (10), crucible base (5) upper end is fixed with triangle lug (2), and crucible base (5) right side fixed mounting have lower handle (6), fixedly connected with lid handle (9) on crucible cover (8), and the terminal surface front side is opened and is equipped with lid mouth (7) under crucible cover (8), and terminal surface reservation has crucible drum wall (4) under crucible cover (.

2. A crystalline silicon to carbon crucible as claimed in claim 1, wherein: 2 upper handles (3) are symmetrically arranged on the outer wall of the crucible cylinder wall (4).

3. A crystalline silicon to carbon crucible as claimed in claim 1, wherein: the crucible cylinder wall (4) is made of carbon/carbon composite material, and the crucible base (5) is made of graphite.

4. A crystalline silicon to carbon crucible as claimed in claim 1, wherein: the thickness of the crucible cylinder wall (4) is the same as that of the crucible base (5), the diameter of the crucible cylinder wall (4) is the same as that of the crucible base (5), and the triangular groove (10) is aligned with the triangular bump (2).

5. A crystalline silicon to carbon crucible as claimed in claim 1, wherein: 2 lower handles (6) are symmetrically arranged on the outer wall of the crucible base (5).

6. A crystalline silicon to carbon crucible as claimed in claim 1, wherein: the diameter of the outer wall of the lower end of the crucible cover (8) is smaller than the diameter of the inner wall of the crucible cylinder wall (4), and the air outlet hole (1) and the crucible cylinder wall (4) form an angle of 45 degrees.