CN216205205U - Silicon carbide crucible - Google Patents
Silicon carbide crucible Download PDFInfo
- Publication number
- CN216205205U CN216205205U CN202122380447.4U CN202122380447U CN216205205U CN 216205205 U CN216205205 U CN 216205205U CN 202122380447 U CN202122380447 U CN 202122380447U CN 216205205 U CN216205205 U CN 216205205U
- Authority
- CN
- China
- Prior art keywords
- side wall
- wall body
- crucible
- silicon carbide
- circular bottom
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Silicon Compounds (AREA)
Abstract
The utility model discloses a silicon carbide crucible, which comprises a side wall body, a bottom and a crucible cover, wherein the side wall body is provided with a bottom hole; the side wall body is in a hollow round table shape, and the diameter of the upper end of the side wall body is larger than that of the lower end of the side wall body; the bottom comprises a circular bottom surface and an arc transition surface; the circular bottom surface is concave, the arc transition surface is arranged between the circular bottom surface and the side wall body, and the side wall body is integrally connected with the arc transition surface and the circular bottom surface; the crucible cover is arranged on the opening end of the side wall body. The crucible has good stability, solves the problems of cracking, deformation and slag falling in long-term use, has the service life which is several times or even tens times that of a common material crucible, avoids the problems of material waste, low equipment utilization rate, low production efficiency and the like caused by short service life and frequent replacement of the traditional material, does not slip when the clamp is clamped, reduces the contact surface between the bottom of the crucible and a kiln plate during heating to achieve the purpose of heat dissipation, isolates external impurities during heating and has good heat preservation effect.
Description
Technical Field
The utility model relates to a crucible, in particular to a silicon carbide crucible.
Background
The crucible is an important component of a chemical instrument, is a container for melting and refining metal liquid, heating solid and liquid and reacting, and is the basis for ensuring the smooth progress of chemical reaction. The production raw materials of the crucible can be summarized into three types: firstly, crystalline natural graphite, secondly, plastic refractory clay, thirdly, calcined hard kaolin skeleton clinker, and recently, high temperature resistant synthetic materials such as silicon carbide are used. In the melting process, in order to reduce the loss of high temperature inside the crucible furnace and prevent high-temperature molten metal from splashing outside the crucible furnace, a crucible cover is usually arranged on the crucible furnace body in a state that the crucible furnace body is in a high-temperature state for a long time.
As the research on the crucible is continuously and deeply carried out, novel crucibles with high quality are produced in a large number, but with the further development of science and technology, crucibles with high quality and low price can not keep up with the demand. And because the outer wall of the crucible is smooth, the clamp is easy to slip off when being clamped; at present, the crucible on the market generally adopts a flat bottom, and the heating effect is influenced due to overhigh local temperature caused by poor heat dissipation of the flat bottom during heating; at present, crucibles on the market are not provided with crucible covers generally, external impurities can be mixed in during heating, the heat preservation effect is not good, and the heating and reaction effects are influenced.
The skilled in the art needs to provide a crucible with long service life, high heat conduction efficiency, no easy slipping and good heat preservation effect.
Disclosure of Invention
In view of the above, the utility model provides a crucible which has long service life, high heat conduction efficiency, is not easy to slip and has good heat preservation effect.
In order to achieve the purpose, the utility model adopts the following technical scheme: a silicon carbide crucible comprises a side wall body, a bottom and a crucible cover;
the side wall body is in a hollow round table shape, and the diameter of the upper end of the side wall body is larger than that of the lower end of the side wall body; the bottom comprises a circular bottom surface and an arc transition surface; the circular bottom surface is concave, the arc transition surface is arranged between the circular bottom surface and the side wall body, and the side wall body is integrally connected with the arc transition surface and the circular bottom surface;
the crucible cover is arranged on the opening end of the side wall body.
Preferably, the diameter of the upper end of the side wall body is larger than that of the lower end of the side wall body, so that the crucible cannot slip and avoid danger when being clamped by the clamp from bottom to top.
Preferably, the circular bottom surface is concave, so that the contact surface between the bottom of the crucible and the kiln plate is reduced, and the purpose of heat dissipation is achieved.
Preferably, the crucible cover is arranged on the opening end of the side wall body, and can play roles in isolating external impurities and preserving heat.
In the present invention, when melting and refining a metal liquid and heating and reacting a solid and a liquid, a crucible is required. In order to reduce the loss of high temperature inside the crucible furnace and prevent the high-temperature molten metal from splashing outside the crucible furnace, it is generally necessary to dispose a crucible cover on the crucible furnace.
Further, the diameter of the circular bottom surface is smaller than the diameter of the lower part of the side wall body.
Preferably, the diameter of the circular bottom surface is smaller than that of the lower part of the side wall body, so that better heating is facilitated.
Further, the crucible cover comprises a body and an edge, the cross section of the body is circular, the main body is in arc-shaped transition arrangement from the edge to the center, the edge is arranged on the periphery of the lower end of the body, and the inner diameter of the crucible cover is larger than or equal to the outer diameter of the side wall body.
According to the utility model, the inner diameter of the crucible cover is more than or equal to the outer diameter of the side wall body, so that high-temperature loss in the crucible furnace body can be better reduced, and high-temperature molten metal is prevented from splashing to the outside of the crucible furnace body;
further, the side wall body, the bottom and the crucible cover are made of silicon carbide materials.
According to the utility model, the silicon carbide crucible is enabled to keep good stability in the use process at high temperature of 1200 ℃ by mainly utilizing the performances of good high temperature resistance, oxidation resistance, good heat conductivity, acid and alkali corrosion resistance, cold and thermal shock resistance and the like of the silicon carbide material, and the silicon carbide crucible is not cracked, deformed and slag-falling after long-term use, has service life which is several times or even tens times that of a common material crucible, and avoids the problems of material waste, low equipment utilization rate, low production efficiency and the like caused by short service life and frequent replacement of the traditional material.
Further, the wall thickness of the side wall body and the bottom part is 3-12mm, the diameter of the side wall body is 50-350mm, and the combined height of the side wall body and the bottom part is 20-300 mm.
Furthermore, the round bottom surface is concave 1.5-2 mm.
Preferably, the crucible has the following dimensions: diameter 130mm, height 165mm, wall thickness 4mm, corresponding crucible cover size: an inner diameter of 133mm, a height of 11mm and a wall thickness of 3 mm.
According to the utility model, the sizes can be customized according to the requirements of users.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of a crucible;
in fig. 1, 1 is a sidewall body; 2 is the bottom; 3 is a crucible cover; 21 is a circular bottom surface; 22 is a circular arc transition surface; 31 is a body; and 32 is an edge.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present embodiment discloses a silicon carbide crucible comprising a sidewall body 1, a bottom 2, and a crucible cover 3;
in this embodiment, the sidewall body 1 is a hollow truncated cone shape, and the diameter of the upper end is larger than that of the lower end; the bottom 2 comprises a circular bottom surface 21 and a circular arc transition surface 22; the circular bottom surface 21 is concave, the arc transition surface 22 is arranged between the circular bottom surface 21 and the side wall body 1, and the side wall body 1 is integrally connected with the arc transition surface 22 and the circular bottom surface 21;
in this embodiment, the crucible cover 3 is covered on the open end of the sidewall body 1.
In this embodiment, the diameter of 1 upper end of lateral wall body is greater than the lower extreme diameter, can not the slippage avoid danger when guaranteeing anchor clamps from bottom to top to press from both sides and get the crucible.
In this embodiment, the circular bottom surface 21 is concave, so as to reduce the contact surface between the bottom of the crucible and the kiln plate, thereby achieving the purpose of heat dissipation.
In this embodiment, the crucible cover 3 covers the opening end of the sidewall body 1, and can isolate external impurities and preserve heat.
In this embodiment, when the molten metal is melted and refined and the solid-liquid heating and reaction are carried out, a crucible must be used. In order to reduce the loss of high temperature inside the crucible furnace and prevent the high-temperature molten metal from splashing outside the crucible furnace, it is generally necessary to dispose a crucible cover on the crucible furnace.
When the crucible cover 3 is used, an object to be heated is placed in the crucible, the object is heated by big fire, and the crucible furnace body is in a high-temperature state for a long time, so that the high-temperature loss in the crucible furnace body is reduced, and high-temperature molten metal is prevented from splashing to the outside of the crucible furnace body.
In this embodiment, the diameter of the circular bottom 21 is smaller than the diameter of the lower portion of the sidewall body 1.
In this embodiment, the diameter of the circular bottom surface 21 is smaller than the diameter of the lower part of the side wall body 1, so that better heating is facilitated.
In this embodiment, the crucible cover 3 includes a body 31 and an edge 32, the cross section of the body 31 is circular, the main body 31 is in a circular arc transition from the edge to the center, the edge 32 is disposed on the periphery of the lower end of the body 31, and the inner diameter of the crucible cover 3 is greater than or equal to the outer diameter of the sidewall body 1.
In the embodiment, the inner diameter of the crucible cover 3 is larger than the outer diameter of the side wall body 1, so that the high-temperature loss in the crucible furnace body can be better reduced, and the high-temperature molten metal is prevented from splashing to the outside of the crucible furnace body;
in this embodiment, the sidewall body 1, the bottom 2 and the crucible cover 3 are made of silicon carbide.
In the embodiment, the silicon carbide crucible is enabled to keep good stability in the use process at high temperature of 1200 ℃ by the overall crucible mainly utilizing the properties of good high temperature resistance, oxidation resistance, good heat conductivity, acid and alkali corrosion resistance, cold and thermal shock resistance and the like of the silicon carbide material, and the silicon carbide crucible is not cracked, deformed and slag-falling after long-term use, has service life which is several times or even tens times that of a common material crucible, and avoids the problems of material waste, low equipment utilization rate, low production efficiency and the like caused by short and frequent replacement of the service life of the traditional material.
In the embodiment, the wall thickness of the side wall body 1 and the bottom 2 is 3-12mm, the diameter of the side wall body is 50-350mm, and the combined height of the side wall body and the bottom is 20-300 mm.
In this embodiment, the optimal size of the crucible is as follows: diameter 130mm, height 165mm, wall thickness 4mm, corresponding to crucible cover 3 size: an inner diameter of 133mm, a height of 11mm and a wall thickness of 3 mm.
In this embodiment, the circular bottom 21 is recessed by 1.5-2 mm.
In this embodiment, the above dimensions can be customized according to the user's requirements.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present embodiments. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the embodiments. Thus, the present embodiments are not intended to be limited to the embodiments shown herein but are to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The silicon carbide crucible is characterized by comprising a side wall body (1), a bottom (2) and a crucible cover (3);
the side wall body (1) is in a hollow round table shape, and the diameter of the upper end of the side wall body is larger than that of the lower end of the side wall body; the bottom (2) comprises a circular bottom surface (21) and a circular arc transition surface (22); the circular bottom surface (21) is concave, the arc transition surface (22) is arranged between the circular bottom surface (21) and the side wall body (1), and the side wall body (1) is integrally connected with the arc transition surface (22) and the circular bottom surface (21);
the crucible cover (3) is arranged on the opening end of the side wall body (1) in a covering mode.
2. Silicon carbide crucible according to claim 1, characterized in that the circular bottom (21) has a smaller diameter than the lower part of the side wall body (1).
3. The silicon carbide crucible as recited in claim 1, wherein the crucible cover (3) comprises a body (31) and a rim (32), the body (31) has a circular cross section, the body (31) is in a circular arc transition from the edge to the center, the rim (32) is arranged on the periphery of the lower end of the body (31), and the inner diameter of the crucible cover (3) is greater than or equal to the outer diameter of the sidewall body (1).
4. Silicon carbide crucible according to claim 1, characterized in that the side wall body (1), the bottom (2) and the crucible cover (3) are made of silicon carbide.
5. Silicon carbide crucible according to claim 1, characterized in that the wall thickness of the side wall body (1) and the bottom (2) is 3-12mm, the diameter of the side wall body (1) is 50-350mm, and the combined height of the side wall body (1) and the bottom (2) is 20-300 mm.
6. Silicon carbide crucible according to claim 1, characterized in that the circular bottom surface (21) is concave by 1.5-2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122380447.4U CN216205205U (en) | 2021-09-29 | 2021-09-29 | Silicon carbide crucible |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122380447.4U CN216205205U (en) | 2021-09-29 | 2021-09-29 | Silicon carbide crucible |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216205205U true CN216205205U (en) | 2022-04-05 |
Family
ID=80926932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122380447.4U Active CN216205205U (en) | 2021-09-29 | 2021-09-29 | Silicon carbide crucible |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216205205U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768902A (en) * | 2022-05-10 | 2022-07-22 | 浙江工业大学 | Novel silicon carbide ceramic boat |
| CN115504653A (en) * | 2022-09-15 | 2022-12-23 | 德清三明坩埚有限公司 | Thermal shock cracking resistant clay crucible and preparation process thereof |
-
2021
- 2021-09-29 CN CN202122380447.4U patent/CN216205205U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768902A (en) * | 2022-05-10 | 2022-07-22 | 浙江工业大学 | Novel silicon carbide ceramic boat |
| CN114768902B (en) * | 2022-05-10 | 2023-11-10 | 浙江工业大学 | silicon carbide porcelain boat |
| CN115504653A (en) * | 2022-09-15 | 2022-12-23 | 德清三明坩埚有限公司 | Thermal shock cracking resistant clay crucible and preparation process thereof |
| CN115504653B (en) * | 2022-09-15 | 2024-01-12 | 德清三明坩埚有限公司 | Preparation process of clay crucible with thermal shock cracking resistance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216205205U (en) | Silicon carbide crucible | |
| CN109357526A (en) | A kind of crucible and its speedy erection system not easy to crack | |
| CN215638802U (en) | Novel anthracite electric heating furnace cover | |
| CN205669940U (en) | A kind of small movable alloy smelting furnace | |
| CN2759998Y (en) | Vertical electric incinerator for continuous production of high-purity graphite carbon material | |
| CN209287363U (en) | A kind of Novel crucible for calcined alumina | |
| CN201351184Y (en) | Anti-burnout graphite unit for single-crystal furnace | |
| CN207688640U (en) | It is a kind of double along graphite crucible | |
| JP4803991B2 (en) | Heat transfer container and manufacturing method thereof | |
| CN205619764U (en) | A compound crucible for aluminium liquid | |
| CN207306538U (en) | A kind of slaughterhouse | |
| CN209263638U (en) | A kind of light-duty graphite crucible of combined energy-saving | |
| CN201913185U (en) | Graphite die for copper-nickel alloy ingot casting | |
| CN220715909U (en) | Round graphite crucible with anti-sticking inner layer | |
| CN103134318A (en) | Crucible resistance furnace body capable of achieving internal heating | |
| CN214974117U (en) | Wire drawing crucible cover | |
| CN205519630U (en) | Continuous casting immersion nozzle of aluminium carbon material | |
| CN202595185U (en) | VD (vacuum degassing) vacuum furnace shielding cover | |
| CN212205642U (en) | Furnace bottom magnesium prefabricated part of electric smelting magnesium furnace | |
| CN217103940U (en) | Blast furnace cooling column capable of stably hanging slag | |
| CN211261773U (en) | Furnace lining refractory castable structure | |
| CN221549320U (en) | Novel submerged-flow coreless furnace | |
| CN215217159U (en) | Novel crucible structure | |
| CN101664663B (en) | Corrosion-resistant alkali pan and manufacturing process thereof | |
| CN2312946Y (en) | Noval aluminium-liquid mixing furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |