CN218097184U - Corrosion-resistant type carborundum crucible - Google Patents
Corrosion-resistant type carborundum crucible Download PDFInfo
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- CN218097184U CN218097184U CN202222303263.2U CN202222303263U CN218097184U CN 218097184 U CN218097184 U CN 218097184U CN 202222303263 U CN202222303263 U CN 202222303263U CN 218097184 U CN218097184 U CN 218097184U
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- crucible
- corrosion
- silicon carbide
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Abstract
The utility model relates to a chemical instrumentation equipment technical field discloses a corrosion resistant type carborundum crucible, including the crucible body, the outside of crucible body is by the fixed go-between that is provided with of middle part department, the equal fixedly connected with support column in terminal surface both sides under the go-between, two the lower extreme of support column is connected with the end ring jointly, the outside of crucible body is by the fixed first snap ring that is provided with of upper end department, the fixed second snap ring that is provided with in upper end of crucible body, the upper end activity of crucible body is provided with the top cap, the temperature measurement hole has been seted up to up end one side of top cap. The utility model provides a corrosion resistant type carborundum crucible, the crucible body is multilayer structure, and corrosion resisting property is strong, is provided with the top cap, can effectually keep warm when using the crucible, promotes heating efficiency, still is provided with the thermocouple thermoscope simultaneously, is convenient for control the inside temperature of crucible, and this crucible can be independent places in addition, and the centre gripping is more stable, and it is more convenient to use.
Description
Technical Field
The utility model relates to a chemical instrumentation equipment technical field especially relates to a corrosion-resistant type carborundum crucible.
Background
The crucible is generally a vessel made of special materials, can bear high temperature, can be used at the high temperature of about 1000 ℃, and during analytical chemistry experiments, the crucible containing experimental samples is usually placed in a high-temperature muffle furnace for burning or melting, and the general samples are ceramic crucibles, and when the samples containing silicon dioxide components are processed, silver crucibles or platinum crucibles are required to be adopted, and the crucibles used in the prior art have the defects that: the ceramic crucible cannot be used for the measurement of a sample such as cement containing a silica component because the ceramic crucible is corroded when the sample is alkali-melted, and the silica component in the material of the ceramic crucible is mixed into the sample.
Through retrieval, the prior patent (publication number: CN 216205205U) discloses a silicon carbide crucible, and although the patent technology 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 traditional materials, the problem of poor corrosion resistance exists, so that the inner wall and the outer wall of the crucible are easy to corrode due to contact with a sample after long-term use, and therefore, the technical personnel in the field provide a corrosion-resistant silicon carbide crucible to solve the problems in the background technology.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the corrosion resistant type carborundum crucible that proposes, the crucible body is multilayer structure, and corrosion resisting property is strong, is provided with the top cap, can effectually keep warm when using the crucible, promotes heating efficiency, still is provided with the thermocouple thermoscope simultaneously, is convenient for control the inside temperature of crucible, and this crucible can be independent placing in addition, and the centre gripping is more stable, and it is more convenient to use.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the corrosion-resistant silicon carbide crucible comprises a crucible body, wherein a connecting ring is fixedly arranged at the position, close to the middle, of the outer side of the crucible body, support columns are fixedly connected to two sides of the lower end face of the connecting ring, the lower ends of the two support columns are jointly connected with a bottom ring, a first clamping ring is fixedly arranged at the position, close to the upper end, of the outer side of the crucible body, and a second clamping ring is fixedly arranged at the upper end of the crucible body;
a top cover is movably arranged at the upper end of the crucible body, a temperature measuring hole is formed in one side of the upper end face of the top cover, a thermocouple temperature measuring device is movably arranged on one side of the upper end face of the top cover, and one end of the thermocouple temperature measuring device penetrates through the temperature measuring hole and extends into the crucible body;
the crucible body comprises an outer anti-corrosion layer, a silicon carbide main body and an inner anti-corrosion layer;
through above-mentioned technical scheme, the crucible body that sets up is multilayer structure, and corrosion resisting property is strong, and the top cap of setting can effectually keep warm when using the crucible, promotes heating efficiency, sparingly heats fuel, and the first snap ring and the second snap ring of setting also can be convenient for use crucible pincers carry out the centre gripping to the crucible, and the centre gripping is more stable.
Further, the lower end of the crucible body is arc-shaped;
through above-mentioned technical scheme, the lower extreme of crucible body sets up to convex can make the heating more even.
Furthermore, a connecting handle is fixedly arranged at the center of the upper end face of the top cover, and a cover head is fixedly arranged at the upper end of the connecting handle;
through above-mentioned technical scheme, set up and connect can be convenient for open the top cap with the caping.
Furthermore, an air vent is formed in one side, away from the temperature measuring hole, of the upper end face of the top cover, and a buffer head is fixedly arranged on one side of the inner wall of the air vent;
through above-mentioned technical scheme, the inside and outside atmospheric pressure of balanced crucible of air vent being convenient for, the buffering head of setting can delay the crucible when the heating inside gaseous speed of giving off, plays the effect of buffering.
Furthermore, the upper end of the thermocouple thermoscope is electrically connected with a transmission line;
through the technical scheme, the transmission of the electric conduction and the temperature data is carried out through the arranged transmission line.
Further, the outer anti-corrosion layer is fixedly arranged on the outer side of the silicon carbide main body, and the inner anti-corrosion layer is fixedly arranged on the inner side of the silicon carbide main body;
through above-mentioned technical scheme, the interior anticorrosive coating that sets up can avoid carborundum main part inner wall to be corroded, and the outer anticorrosive coating that sets up can avoid carborundum main part outside to be corroded.
Furthermore, a matching edge is fixedly arranged on the lower end face of the top cover close to the periphery;
through above-mentioned technical scheme, set up the cooperation along the upper end form fit with the crucible body to stretch into the crucible can not the inside of body, can promote the stability that the top cap lid was established.
Further, the outer anti-corrosion layer and the inner anti-corrosion layer are both made of graphite;
by the technical scheme, the outer anti-corrosion layer and the inner anti-corrosion layer are excellent in corrosion resistance and high temperature resistance.
The utility model discloses following beneficial effect has:
1. the utility model provides a pair of corrosion-resistant type carborundum crucible, crucible body are multilayer structure, and anticorrosion layer and outer anticorrosion layer in being provided with respectively in the inside and outside both sides of carborundum main part, the anticorrosion layer can be avoided carborundum main part inner wall to be corroded in the interior anticorrosion layer of setting, and the outer anticorrosion layer of setting can avoid the carborundum main part outside to be corroded, and both cooperate the corrosion resisting property of effectual promotion crucible main part.
2. The utility model provides a pair of corrosion-resistant type carborundum crucible is provided with the top cap, can effectually keep warm through the top cap when using, promotes heating efficiency, sparingly heats fuel, still is provided with the thermocouple thermoscope simultaneously on the top cap, can carry out the temperature detection to the inside of crucible under the high temperature condition, the inside temperature of the control crucible of being convenient for, and it is more convenient to use.
3. The utility model provides a corrosion resistant type carborundum crucible is provided with the end ring for this crucible can be independent places, also can heat the crucible when not setting up the crucible frame, and the first snap ring that sets up simultaneously also can be convenient for use crucible tongs carry out the centre gripping to the crucible with the second snap ring, and the centre gripping is more stable, is difficult for dropping, and it is more convenient to use.
Drawings
FIG. 1 is a schematic perspective view of a corrosion-resistant silicon carbide crucible according to the present invention;
FIG. 2 is a schematic structural diagram of a top cover of a corrosion-resistant silicon carbide crucible according to the present invention;
FIG. 3 is a schematic view of the internal structure of a corrosion-resistant silicon carbide crucible according to the present invention;
fig. 4 is an enlarged view of a portion a in fig. 3.
Illustration of the drawings:
1. a crucible body; 2. a connecting ring; 3. a support pillar; 4. a bottom ring; 5. a first snap ring; 6. a second snap ring; 7. a top cover; 8. a vent hole; 9. a connecting handle; 10. capping; 11. a thermocouple thermoscope; 12. a transmission line; 13. a temperature measuring hole; 14. a mating edge; 15. a buffer head; 16. an outer anti-corrosion layer; 17. a silicon carbide body; 18. an inner anti-corrosion layer.
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. 1-4, the present invention provides an embodiment: the utility model provides a corrosion resistant type carborundum crucible, including crucible body 1, crucible body 1's the outside is by the fixed go-between 2 that is provided with of middle part department, the equal fixedly connected with support column 3 in terminal surface both sides under the go-between 2, the lower extreme of two support columns 3 is connected with end ring 4 jointly, crucible body 1's the outside is by the fixed first snap ring 5 that is provided with of upper end department, crucible body 1's the fixed second snap ring 6 that is provided with in upper end, the first snap ring 5 and the second snap ring 6 that set up also can be convenient for use crucible tongs to carry out the centre gripping to the crucible, the centre gripping is more stable.
The upper end activity of crucible body 1 is provided with top cap 7, and the top cap 7 of setting can effectually keep warm when using the crucible, promotes heating efficiency, saves heating fuel, and the temperature measurement hole 13 has been seted up to top cap 7's up end one side, and the activity of top cap 7's up end one side is provided with thermocouple thermoscope 11, and the one end of thermocouple thermoscope 11 runs through temperature measurement hole 13 and stretches into inside the crucible body 1.
The crucible body 1 comprises an outer anti-corrosion layer 16, a silicon carbide main body 17 and an inner anti-corrosion layer 18, and the crucible body 1 is of a multilayer structure and is strong in corrosion resistance.
The lower end of the crucible body 1 is arc-shaped, heating can be more uniform, the center of the upper end face of the top cover 7 is fixedly provided with a connecting handle 9, the upper end of the connecting handle 9 is fixedly provided with a cover head 10, the connecting handle 9 and the cover head 10 are arranged to facilitate opening of the top cover 7, one side of the upper end face of the top cover 7, which is far away from a temperature measuring hole 13, is provided with a vent hole 8, one side of the inner wall of the vent hole 8 is fixedly provided with a buffer head 15, the vent hole 8 facilitates balancing of the internal and external air pressure of the crucible, the arranged buffer head 15 can delay the diffusion speed of the internal gas of the crucible during heating, a buffer effect is achieved, the upper end of the thermocouple temperature measuring device 11 is electrically connected with a transmission line 12, and transmission of electric conduction and temperature data is achieved through the arranged transmission line 12, the outer anti-corrosion layer 16 is fixedly arranged on the outer side of the silicon carbide main body 17, the inner anti-corrosion layer 18 is fixedly arranged on the inner side of the silicon carbide main body 17, the arranged inner anti-corrosion layer 18 can prevent the inner wall of the silicon carbide main body 17 from being corroded, the arranged outer anti-corrosion layer 16 can prevent the outer side of the silicon carbide main body 17 from being corroded, the lower end face of the top cover 7 is fixedly provided with a matching edge 14 close to the periphery, the matching edge 14 is matched with the upper end of the crucible body 1 in shape and extends into the crucible body 1, the stability of the top cover 7 when the top cover 7 is covered can be improved, the outer anti-corrosion layer 16 and the inner anti-corrosion layer 18 are made of graphite, and the outer anti-corrosion layer 16 and the inner anti-corrosion layer 18 are excellent in corrosion and high temperature resistance.
The working principle is as follows: the device is when using, this crucible can be independent placing by bottom ring 4 that sets up, the first snap ring 5 that sets up also can be convenient for use crucible tongs to carry out the centre gripping to the crucible with second snap ring 6, the centre gripping is more stable, simultaneously when heating, can be when using through the effectual heat preservation that keeps warm of top cap 7, promote heating efficiency, heating fuel sparingly, the thermocouple thermoscope 11 that sets up simultaneously, can carry out temperature detection to the inside of crucible under the high temperature condition, be convenient for control the inside temperature of crucible, it is more convenient to use, the interior anticorrosive coating 18 that sets up can avoid carborundum main part 17 inner wall to be corroded, the outer anticorrosive coating 16 that sets up can avoid carborundum main part 17 outside to be corroded, the anticorrosion is effectual, long service life.
Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. The utility model provides a corrosion-resistant type carborundum crucible, includes crucible body (1), its characterized in that: the crucible comprises a crucible body (1), wherein a connecting ring (2) is fixedly arranged at the position, close to the middle, of the outer side of the crucible body (1), supporting columns (3) are fixedly connected to two sides of the lower end face of the connecting ring (2), the lower ends of the two supporting columns (3) are jointly connected with a bottom ring (4), a first clamping ring (5) is fixedly arranged at the position, close to the upper end, of the outer side of the crucible body (1), and a second clamping ring (6) is fixedly arranged at the upper end of the crucible body (1);
a top cover (7) is movably arranged at the upper end of the crucible body (1), a temperature measuring hole (13) is formed in one side of the upper end face of the top cover (7), a thermocouple temperature measuring device (11) is movably arranged in one side of the upper end face of the top cover (7), and one end of the thermocouple temperature measuring device (11) penetrates through the temperature measuring hole (13) and extends into the crucible body (1);
the crucible body (1) comprises an outer anti-corrosion layer (16), a silicon carbide main body (17) and an inner anti-corrosion layer (18).
2. The corrosion-resistant silicon carbide crucible according to claim 1, wherein: the lower end of the crucible body (1) is arc-shaped.
3. The corrosion-resistant silicon carbide crucible according to claim 1, wherein: the top cover is characterized in that a connecting handle (9) is fixedly arranged at the center of the upper end face of the top cover (7), and a cover head (10) is fixedly arranged at the upper end of the connecting handle (9).
4. The corrosion-resistant silicon carbide crucible according to claim 1, wherein: an air vent (8) is formed in one side, away from the temperature measuring hole (13), of the upper end face of the top cover (7), and a buffer head (15) is fixedly arranged on one side of the inner wall of the air vent (8).
5. The corrosion-resistant silicon carbide crucible according to claim 1, wherein: the upper end of the thermocouple temperature measurer (11) is electrically connected with a transmission line (12).
6. The corrosion-resistant silicon carbide crucible according to claim 1, wherein: the outer anti-corrosion layer (16) is fixedly arranged on the outer side of the silicon carbide main body (17), and the inner anti-corrosion layer (18) is fixedly arranged on the inner side of the silicon carbide main body (17).
7. The corrosion-resistant silicon carbide crucible according to claim 1, wherein: and a matching edge (14) is fixedly arranged on the lower end surface of the top cover (7) close to the periphery.
8. The corrosion-resistant silicon carbide crucible according to claim 1, wherein: the outer anti-corrosion layer (16) and the inner anti-corrosion layer (18) are both made of graphite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222303263.2U CN218097184U (en) | 2022-08-30 | 2022-08-30 | Corrosion-resistant type carborundum crucible |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222303263.2U CN218097184U (en) | 2022-08-30 | 2022-08-30 | Corrosion-resistant type carborundum crucible |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218097184U true CN218097184U (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222303263.2U Active CN218097184U (en) | 2022-08-30 | 2022-08-30 | Corrosion-resistant type carborundum crucible |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218097184U (en) |
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2022
- 2022-08-30 CN CN202222303263.2U patent/CN218097184U/en active Active
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