CN212205616U - Corundum refractory crucible - Google Patents
Corundum refractory crucible Download PDFInfo
- Publication number
- CN212205616U CN212205616U CN202020469587.1U CN202020469587U CN212205616U CN 212205616 U CN212205616 U CN 212205616U CN 202020469587 U CN202020469587 U CN 202020469587U CN 212205616 U CN212205616 U CN 212205616U
- Authority
- CN
- China
- Prior art keywords
- crucible
- heat
- resistant
- resisting
- resistant coating
- 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
- Crucibles And Fluidized-Bed Furnaces (AREA)
Abstract
The utility model discloses a corundum refractory crucible, concretely relates to crucible technical field, including first crucible, first crucible bottom lower surface is provided with the heating surface, evenly be provided with a plurality of heat-resisting hole on the heating surface, the heat-resisting hole intussuseption is filled with high temperature resistant coating, the inside fixed slot that communicates with the heat-resisting hole that is provided with of first crucible, the inside packing of fixed slot has the adhesive, the adhesive bonds fixedly with high temperature resistant coating, the heat-resisting hole sets up to the positive hexagonal shape of honeycomb, the heat-resisting hole internal fixation has heat-resisting net. The utility model discloses a be equipped with heat-resisting hole, the heat-resisting hole align to grid of a plurality of to can form the high temperature resistant coating of large tracts of land, and then the contact of separation high temperature gas that can be better and first crucible improves the heat resistance of first crucible greatly, and the stress that comes from each side is undertaken to the dispersion that heat-resisting hole can be better, avoids local stress to destroy high temperature resistant coating.
Description
Technical Field
The utility model relates to a crucible technical field, more specifically say, the utility model relates to a corundum refractory crucible.
Background
The crucible is a vessel made of high-temperature resistant materials, has the functions of melting and refining metal liquid, is also used for a container for heating and reacting solid and liquid, belongs to a chemical instrument, and the production raw materials of the crucible can be summarized into three types, namely crystalline natural graphite, plastic refractory clay and calcined hard kaolin skeleton clinker.
The high-temperature resistant coating is coated on a heating part when the existing crucible is used, so that the heat resistance is further improved, the coating area is large due to the fact that the high-temperature resistant coating is coated in a whole block, the thermal expansion coefficient of the high-temperature resistant coating is different from that of the crucible to a certain extent, and after the crucible is used for a long time, the high-temperature resistant coating can fall off or crack under the action of thermal stress.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defects of the prior art, the embodiment of the utility model provides a corundum refractory crucible, the utility model aims to solve the technical problem that: how to improve the fire resistance of the crucible and avoid the problems of falling off, cracking and the like of a high-temperature resistant coating.
In order to achieve the above object, the utility model provides a following technical scheme: a corundum refractory crucible comprises a first crucible, wherein a heating surface is arranged on the lower surface of the bottom of the first crucible;
the heating surface is uniformly provided with a plurality of heat-resisting holes, the heat-resisting holes are filled with high-temperature-resisting coatings, fixing grooves communicated with the heat-resisting holes are formed in the first crucible, adhesives are filled in the fixing grooves, and the adhesives are bonded and fixed with the high-temperature-resisting coatings;
the heat-resistant holes are in a honeycomb regular hexagon shape, and a heat-resistant net is fixed inside the heat-resistant holes.
In a preferred embodiment, a second crucible is wrapped and fixed inside the first crucible, and the contact surface of the bottom of the second crucible and the first crucible is in a zigzag shape, so that the contact area of the second crucible and the first crucible is increased, and the heating speed of the second crucible is increased.
In a preferred embodiment, the first crucible is made of corundum material, and the second crucible is made of graphite material, so that the corundum crucible has high-temperature resistance and can play a certain protection role on the graphite crucible outside the graphite crucible.
In a preferred embodiment, the adhesive is configured as a high temperature resistant adhesive that does not readily lose adhesion in high temperature environments.
In a preferred embodiment, the refractory coating is provided as a refractory ceramic coating.
In a preferred embodiment, the heat-resistant holes correspond to the number of the fixing grooves.
In a preferred embodiment, the cross-sectional shape of the fixing groove is a T shape, so that the cured adhesive is not easy to fall off, and the adhesive can bond the high-temperature resistant coating more tightly and is not easy to fall off.
In a preferred embodiment, the heat-resistant mesh is made of a stainless steel material, which can further improve the adhesion fixation of the high-temperature-resistant coating to the first crucible.
The implementation mode is specifically as follows: when the crucible is used, the heating surface at the bottom of the first crucible can be heated to raise the temperature, the high-temperature-resistant coating is coated in the heat-resistant holes on the heating surface, and the heat-resistant holes are uniformly arranged, so that a large-area high-temperature-resistant coating can be formed, further, the contact between high-temperature gas and the first crucible can be better blocked, the heat resistance of the first crucible is greatly improved, the heat-resistant holes are honeycomb-hole-shaped, the regular hexagonal structure of the heat-resistant holes can obtain a larger contact area, the stress from each party can be better dispersed and borne, the high-temperature-resistant coating is prevented from being damaged by local stress, and each heat-resistant hole is provided with a mutually independent high-temperature-resistant coating structure, compared with the whole-block coating structure in the prior art, the independently distributed coating structure has a small relative area, the corresponding expansion thermal stress is relatively small, so that the problems of falling or, still be fixed with the heat-resisting net in the heat-resisting hole, the heat-resisting net can be lived by the high temperature resistant coating parcel after filling, can further improve the bonding fixity of high temperature resistant coating and first crucible, and fixed slot inside is filled there is the adhesive, and the fixed slot is the T shape for the adhesive after the solidification is difficult for droing, and the adhesive can be inseparabler with the bonding of high temperature resistant coating, is difficult for droing.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a through being equipped with heat-resisting hole, a plurality of heat-resisting hole align to grid, thereby can form the high temperature resistant coating of large tracts of land, and then can be better the contact of separation high temperature gas and first crucible, improve the heat resistance of first crucible greatly, heat-resisting hole can better dispersion undertake the stress that comes from each side, avoid local stress to destroy high temperature resistant coating, all be provided with mutually independent high temperature resistant coating structure in every heat-resisting hole, compared the monoblock coating structure in the prior art, the relative area of this kind of independently distributed coating structure is little, corresponding inflation thermal stress is also relatively less, thereby effectively avoid high temperature resistant coating to produce the problem such as coming off or crackle, the adhesive can be with the high temperature resistant coating bonding inseparabler, be difficult for coming off, compared with the prior art, the utility model discloses with monoblock high temperature resistant coating, separate into a plurality of adjacent fritter, thereby solving the problem that the high-temperature resistant coating can fall off or crack under the action of thermal stress;
2. the utility model discloses a be equipped with first crucible, under the protection of first crucible, increased the anti fracture performance of second crucible, still improved the antioxidant capacity of second crucible, life obtains improving, and the second crucible is the cockscomb structure with first crucible junction, has increased the area of contact of second crucible and first crucible for the second crucible is heated the programming rate and is promoted.
Drawings
Fig. 1 is a bottom perspective view of the overall structure of the present invention.
Fig. 2 is a schematic view of the local enlarged structure of the high temperature resistant coating and the heat resistant mesh of the present invention.
Fig. 3 is a cross-sectional view of the overall structure of the present invention.
Fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.
Fig. 5 is a perspective view of the first crucible structure of the present invention.
The reference signs are: 1 a first crucible, 2 a heating surface, 3 a heat-resistant hole, 4 a high-temperature-resistant coating, 5 a fixing groove, 6 an adhesive, 7 a heat-resistant net and 8 a second crucible.
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.
The utility model provides a corundum refractory crucible, which comprises a first crucible 1, wherein the lower surface of the bottom of the first crucible 1 is provided with a heating surface 2;
a plurality of heat-resisting holes 3 are uniformly formed in the heating surface 2, a high-temperature-resisting coating 4 is filled in the heat-resisting holes 3, a fixing groove 5 communicated with the heat-resisting holes 3 is formed in the first crucible 1, an adhesive 6 is filled in the fixing groove 5, and the adhesive 6 is bonded and fixed with the high-temperature-resisting coating 4;
the heat-resistant holes 3 are in a honeycomb regular hexagon shape, and a heat-resistant net 7 is fixed inside the heat-resistant holes 3.
The adhesive 6 is a high-temperature resistant adhesive, the high-temperature resistant coating 4 is a high-temperature resistant ceramic coating, the number of the heat-resistant holes 3 is consistent with that of the fixing grooves 5, and the heat-resistant net 7 is made of stainless steel materials.
As shown in fig. 1 to 5, the embodiment specifically is: when the crucible is used, the heating surface 2 at the bottom of the first crucible 1 can be heated to raise the temperature, the high-temperature-resistant coating 4 is coated in the heat-resistant holes 3 on the heating surface 2, and the heat-resistant holes 3 are uniformly arranged, so that the large-area high-temperature-resistant coating 4 can be formed, the contact between high-temperature gas and the first crucible 1 can be better blocked, the heat resistance of the first crucible 1 is greatly improved, the heat-resistant holes 3 are honeycomb holes, the regular hexagonal structure can obtain larger contact area, the stress from each party can be better dispersed and borne, the high-temperature-resistant coating 4 is prevented from being damaged by local stress, and each heat-resistant hole 3 is provided with a mutually independent high-temperature-resistant coating 4 structure, compared with the whole-block coating structure in the prior art, the relatively small area of the independently distributed coating structure, the corresponding expansion thermal stress is relatively small, so that the problems of falling or cracks and the like of the high-temperature-resistant coating 4 are effectively, still be fixed with heat-resisting net 7 in the heat-resisting hole 3, heat-resisting net 7 can be lived by the high temperature resistant coating 4 parcel after the packing, can further improve the bonding fixity of high temperature resistant coating 4 and first crucible 1, and 5 inside packings in fixed slot have adhesive 6, and fixed slot 5 is the T shape for adhesive 6 after the solidification is difficult for droing, and adhesive 6 can be inseparabler with 4 bondings of high temperature resistant coating, is difficult for droing.
The crucible comprises a first crucible 1 and a second crucible 8, wherein the first crucible 8 is fixedly wrapped inside the first crucible, the bottom of the second crucible 8 is in a zigzag shape in contact with the first crucible 1, the first crucible 1 is made of corundum materials, the second crucible 8 is made of graphite materials, and the section of the fixing groove 5 is in a T shape.
As shown in fig. 1 to 5, the embodiment specifically is: inside parcel of first crucible 1 has second crucible 8, second crucible 8 is made for graphite material, under the protection of first crucible 1, the fracture resistance of second crucible 8 has not only been increased, the oxidation resistance of second crucible 8 has still been improved, service life obtains improving, second crucible 8 is the cockscomb structure with 1 junction of first crucible, the area of contact of second crucible 8 with first crucible 1 has been increased, make second crucible 8 the intensification rate of being heated obtain promoting, the high temperature resistant coating 4 of embedded in heat-resisting hole 3, stability is higher, be difficult for taking place to slide on 1 bottom plane of first crucible, make high temperature resistant coating 4 be difficult to drop or the crackle appear more.
The utility model discloses the theory of operation:
referring to the attached drawings 1-5 of the specification, a plurality of heat-resistant holes 3 are uniformly arranged, so that a large-area high-temperature-resistant coating 4 can be formed, contact between high-temperature gas and a first crucible 1 can be better blocked, the heat-resistant holes 3 can better disperse and bear stress from each side, the high-temperature-resistant coating 4 is prevented from being damaged by local stress, and each heat-resistant hole 3 is internally provided with a mutually independent high-temperature-resistant coating 4 structure;
referring to the attached drawings 1-5 in the specification, under the protection of the first crucible 1, the fracture resistance of the second crucible 8 is improved, the oxidation resistance of the second crucible 8 is also improved, the joint of the second crucible 8 and the first crucible 1 is in a sawtooth shape, the contact area of the second crucible 8 and the first crucible 1 is increased, the heating rate of the second crucible 8 is increased, and the high-temperature-resistant coating 4 embedded in the heat-resistant hole 3 is not easy to slide on the bottom plane of the first crucible 1.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A corundum refractory crucible comprising a first crucible (1), characterized in that: the lower surface of the bottom of the first crucible (1) is provided with a heating surface (2);
the heating surface (2) is uniformly provided with a plurality of heat-resistant holes (3), the heat-resistant holes (3) are filled with high-temperature-resistant coatings (4), the first crucible (1) is internally provided with fixing grooves (5) communicated with the heat-resistant holes (3), the fixing grooves (5) are filled with adhesives (6), and the adhesives (6) are bonded and fixed with the high-temperature-resistant coatings (4);
the heat-resistant holes (3) are arranged in a honeycomb regular hexagon shape, and a heat-resistant net (7) is fixed inside the heat-resistant holes (3).
2. A corundum refractory crucible according to claim 1, wherein: the crucible pot is characterized in that a second crucible pot (8) is fixedly wrapped inside the first crucible pot (1), and the bottom of the second crucible pot (8) is in a zigzag shape with the contact surface of the first crucible pot (1).
3. A corundum refractory crucible as defined in claim 2, wherein: the first crucible (1) is made of corundum material, and the second crucible (8) is made of graphite material.
4. A corundum refractory crucible according to claim 1, wherein: the adhesive (6) is provided as a high temperature resistant adhesive.
5. A corundum refractory crucible according to claim 1, wherein: the high-temperature-resistant coating (4) is a high-temperature-resistant ceramic coating.
6. A corundum refractory crucible according to claim 1, wherein: the number of the heat-resistant holes (3) is consistent with that of the fixing grooves (5).
7. A corundum refractory crucible according to claim 1, wherein: the cross section of the fixing groove (5) is T-shaped.
8. A corundum refractory crucible according to claim 1, wherein: the heat-resistant net (7) is made of stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020469587.1U CN212205616U (en) | 2020-04-02 | 2020-04-02 | Corundum refractory crucible |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020469587.1U CN212205616U (en) | 2020-04-02 | 2020-04-02 | Corundum refractory crucible |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212205616U true CN212205616U (en) | 2020-12-22 |
Family
ID=73829841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020469587.1U Active CN212205616U (en) | 2020-04-02 | 2020-04-02 | Corundum refractory crucible |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212205616U (en) |
-
2020
- 2020-04-02 CN CN202020469587.1U patent/CN212205616U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS63224937A (en) | Double layer structure heat-resistant plate | |
| CN107399977A (en) | A kind of compound saggar and preparation method thereof | |
| CN212205616U (en) | Corundum refractory crucible | |
| EP2857363A1 (en) | Crown structure | |
| CN210321197U (en) | A anti fiber pulverization structure for petrochemical industry pyrolysis furnace | |
| CN108954039A (en) | Wavelength converter and preparation method thereof | |
| WO2023184856A1 (en) | Filled capillary tube-based thermoelectric device and preparation method therefor | |
| CN211977585U (en) | High-strength fire-resistant high-alumina brick | |
| CN102161592B (en) | Fireproofing insulating brick and production method thereof | |
| CN211177949U (en) | Mullite brick for corrosion-resistant and high-temperature-resistant kiln | |
| CN201927604U (en) | LED (light-emitting diode) light source | |
| CN205138209U (en) | Parapet brick for cement kiln | |
| CN201913861U (en) | Heating plate for laminating and packaging photovoltaic component and laminating machine provided with same | |
| CN106024732B (en) | A kind of production method of device for temperature control | |
| CN106007339B (en) | A kind of composite material induction electrical crucible | |
| CN205718467U (en) | Brick is hung in a kind of kiln head cover combination | |
| CN110822911A (en) | Deep repair method for high-temperature kiln lining | |
| CN100572571C (en) | A kind of internally heating apparatus and preparation method thereof | |
| CN104058752A (en) | Base Setter | |
| CN107266058A (en) | It is a kind of to be used to produce modified saggar of ceramics and preparation method thereof | |
| CN107382297A (en) | It is a kind of to be used to produce saggar of ceramics and preparation method thereof | |
| CN202687970U (en) | Fire-proof insulating brick with inside liner | |
| CN202259422U (en) | LED encapsulation bracket and LED light source | |
| CN210426101U (en) | Large-span furnace top supporting device of kiln | |
| CN209470527U (en) | A kind of burner hearth LP blades protective device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210201 Address after: Room 303, Xuzhuang star Zhongchuang space, No.66, Fuzhong Road, Xuzhuang Town, Xuzhou Economic and Technological Development Zone, Jiangsu Province Patentee after: Jiangsu Weimeisi Semiconductor Technology Co.,Ltd. Address before: No.8-3 Dayuan lane, Licheng street, Xianyou County, Putian City, Fujian Province Patentee before: Dai Zhimin |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Corundum refractory crucible Effective date of registration: 20220311 Granted publication date: 20201222 Pledgee: Bank of Nanjing Co.,Ltd. Xuzhou Branch Pledgor: Jiangsu Weimeisi Semiconductor Technology Co.,Ltd. Registration number: Y2022320000109 |