CN216935952U - Anti-oxidation device suitable for molybdenum-based alloy reaction kettle - Google Patents
Anti-oxidation device suitable for molybdenum-based alloy reaction kettle Download PDFInfo
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- CN216935952U CN216935952U CN202121443813.XU CN202121443813U CN216935952U CN 216935952 U CN216935952 U CN 216935952U CN 202121443813 U CN202121443813 U CN 202121443813U CN 216935952 U CN216935952 U CN 216935952U
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Abstract
The utility model discloses an anti-oxidation device suitable for a molybdenum-based alloy reaction kettle, which comprises a transparent quartz sleeve and a sealing part, wherein one end of the transparent quartz sleeve is an open end, the other end of the transparent quartz sleeve is a semi-closed end, the sealing part comprises a first sealing body, a second sealing body and a third sealing body, the first sealing body is arranged at the open end of the transparent quartz sleeve, the first sealing body is provided with an air inlet communicated with the inner cavity of the transparent quartz sleeve, one end of the second sealing body is detachably connected with the first sealing body, the other end of the second sealing body is fixed on the molybdenum-based alloy reaction kettle, the third sealing body is arranged between the first sealing body and the second sealing body, and the semi-closed end of the transparent quartz sleeve is provided with a temperature measuring hole and an exhaust hole. The device reduces the contact of the molybdenum-based alloy high-temperature high-pressure reaction kettle with air in a physical isolation mode, does not change the matrix structure and the components of the molybdenum-based alloy reaction kettle, promotes the molybdenum-based alloy reaction kettle to realize the tolerance degree of maximum temperature and pressure, prolongs the service life of the reaction kettle and improves the safety of the reaction kettle.
Description
Technical Field
The utility model belongs to the technical field of high-temperature and high-pressure resistant reaction kettle oxidation prevention, and particularly relates to an oxidation prevention device and method suitable for a molybdenum-based alloy reaction kettle.
Background
The high-temperature high-pressure reaction kettle is widely applied to geological process simulation, medicine synthesis, mineral and material synthesis, chemical synthesis reaction, biological growth culture and the like. The temperature and pressure endured by the high-temperature high-pressure reaction kettle are closely related to the design and the material thereof. At present, the materials of the general reaction kettle are mostly stainless steel, titanium alloy, nickel-based alloy and the like. Due to the limitation of materials, the reaction kettles can only be used at the temperature below 900 ℃, thereby limiting the application range of the reaction kettles.
The molybdenum-based alloy is a material which can endure higher temperature, and the high-temperature high-pressure reaction kettle made of the molybdenum-based alloy can theoretically endure 1200 ℃, so that the upper limit of the temperature of the high-temperature high-pressure reaction kettle is greatly improved, and the simulation or synthesis conditions of the reaction kettle are remarkably expanded; however, since molybdenum is a variable-valence metal and is easily oxidized at high temperature, the molybdenum-based alloy reaction kettle is easily oxidized, and the kettle body is damaged, so that the molybdenum-based alloy reaction kettle has a short service life and poor safety performance. Therefore, the technical difficulties faced in the current high-temperature and high-pressure field are to prevent the molybdenum-based alloy reaction kettle from being oxidized, prolong the service life of the reaction kettle and improve the use safety of the reaction kettle.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an anti-oxidation device suitable for a molybdenum-based alloy reaction kettle, which has good anti-oxidation effect on the molybdenum-based alloy reaction kettle, can prolong the service life and the safety performance of the molybdenum-based alloy reaction kettle, has low cost and cannot damage the structure and the performance of the molybdenum-based alloy reaction kettle.
The above object of the present invention can be achieved by the following technical solutions: the utility model provides an anti oxidation device suitable for molybdenum base alloy reation kettle, includes transparent quartz sleeve pipe and seal part, transparent quartz sleeve pipe one end is the open end that can supply molybdenum base alloy reation kettle to come in and go out, and one end is the semi-closed end in addition, seal part includes first seal, second seal and third seal, first seal is located transparent quartz sleeve pipe open end, just first seal be equipped with the inlet port of transparent quartz sleeve pipe inner chamber looks UNICOM, second seal one end with the connection can be dismantled to first seal, and the other end is fixed in on the molybdenum base alloy reation kettle, the third seal is located first seal with between the second seal, transparent quartz sleeve pipe's semi-closed end is equipped with temperature measurement hole and exhaust hole respectively.
Optionally, the first sealing body is an annular sealing body or a sealing flange, the second sealing body is a sealing pipe, and the third sealing body is a sealing ring.
As a preferred embodiment of the present invention: the inner side surface of the first sealing body is provided with threads, and the outer surface of the second sealing body is provided with threads used for being detachably connected with the first sealing body.
As another preferred embodiment of the present invention: and a conventional high-temperature-resistant sealant is arranged between the first sealing body and the open end of the transparent quartz sleeve.
Optionally, the first sealing body and the second sealing body are made of stainless steel, titanium alloy or nickel-based alloy.
Optionally, the third sealing body is made of conventional high-temperature-resistant rubber.
Optionally, the temperature measuring hole is a temperature measuring thermocouple insertion hole.
Optionally, the transparent quartz sleeve is a cylindrical transparent quartz sleeve, and the molybdenum-based alloy reaction kettle is in a long cylindrical shape.
Optionally, the transparent quartz sleeve of the utility model is made of conventional high-temperature quartz glass.
Optionally, the molybdenum-based alloy reaction kettle is a molybdenum-based alloy high-temperature high-pressure reaction kettle, and comprises a cold seal type autoclave or a rapid quenching type autoclave.
The utility model relates to an anti-oxidation device suitable for a molybdenum-based alloy reaction kettle, in particular to a high-temperature high-pressure molybdenum-based alloy reaction kettle.
The anti-oxidation device suitable for the molybdenum-based alloy reaction kettle can be directly sleeved on the molybdenum-gold alloy reaction kettle, and the molybdenum-gold alloy reaction kettle body is sealed into an anoxic semi-closed space; the main body of the device is a transparent quartz sleeve, the first sealing body, the second sealing body, the third sealing body and the like which are independent parts, so that the device is convenient to disassemble and assemble and easy to clean; the main body of the device is a high-temperature-resistant transparent quartz tube, so that the state of the molybdenum-gold alloy reaction kettle under a high-temperature condition can be conveniently and visually observed.
The utility model has the following advantages: the protection device suitable for the molybdenum-based alloy reaction kettle has a simple structure, and is easy to install, disassemble and clean at a later stage; the contact between the molybdenum-based alloy high-temperature high-pressure reaction kettle and air is reduced in a physical isolation mode, the matrix structure and the components of the molybdenum-based alloy reaction kettle are not changed, the physical properties of the molybdenum-based alloy material can be maximized, the molybdenum-based alloy reaction can be promoted to realize the maximum temperature and pressure tolerance degree, the oxidation of the molybdenum-gold alloy reaction kettle at high temperature is reduced or slowed down, and the service life of the molybdenum-gold alloy reaction kettle is prolonged; the design of the transparent quartz sleeve is beneficial to directly observing the state of the molybdenum-gold alloy reaction kettle at high temperature, and the use safety of the reaction kettle is improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of an oxidation preventing device suitable for a molybdenum-based alloy reaction vessel in example 1.
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. The described embodiments are only some embodiments of the utility model, not all 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 scope of protection of the present invention.
As shown in figure 1, the anti-oxidation device suitable for the molybdenum-based alloy reaction kettle comprises a transparent quartz sleeve 1 and a sealing component, wherein one end of the transparent quartz sleeve 1 is an opening end for the molybdenum-based alloy reaction kettle 4 to come in and go out, the other end is a semi-closed end, the sealing component comprises a first sealing body 2, a second sealing body 5 and a third sealing body 6, the first sealing body 2 is arranged at the open end of the transparent quartz sleeve 1, the first sealing body 2 is provided with an air inlet 3 communicated with the inner cavity of the transparent quartz sleeve 1, one end of the second sealing body 5 is detachably connected with the first sealing body 2, the other end of the third sealing body is fixed on the molybdenum-based alloy reaction kettle 4, the third sealing body 6 is arranged between the first sealing body 2 and the second sealing body 5, and the semi-closed end of the transparent quartz sleeve 1 is respectively provided with a temperature measuring hole 7 and an exhaust hole 8.
The first sealing body 2 is an annular sealing body or a sealing flange, the second sealing body 5 is a sealing pipe, and the third sealing body 6 is a sealing ring.
The inner side surface of the first sealing body 2 is provided with threads such as internal threads, and the outer side surface of the second sealing body 5 is provided with threads such as external threads which are detachably connected with the first sealing body 2.
And a conventional high-temperature-resistant sealant can be further arranged between the first sealing body 2 and the open end of the transparent quartz sleeve 1. To achieve further sealing of the annular sealing body 2.
The first sealing body 2 and the second sealing body 5 are made of stainless steel, titanium alloy or nickel-based alloy.
The material of the third sealing body 6 may be conventional high-temperature-resistant rubber or the like.
The temperature measuring hole 7 is a temperature measuring thermocouple insertion hole.
The transparent quartz sleeve 1 is a cylindrical transparent quartz sleeve.
The molybdenum-based alloy reaction kettle 4 is in a long cylindrical shape.
The diameter of the molybdenum-based alloy reaction kettle 4 is smaller than that of the transparent quartz sleeve 1, so that the molybdenum-based alloy reaction kettle 4 is sleeved in the inner cavity of the transparent quartz sleeve 1.
The transparent quartz sleeve 1 is made of conventional high-temperature quartz glass.
The molybdenum-based alloy reaction kettle 4 is a molybdenum-based alloy high-temperature high-pressure reaction kettle and comprises a cold-seal type autoclave or a rapid quenching type autoclave and the like.
Specifically, the anti-oxidation device suitable for the molybdenum-based alloy reaction kettle comprises a cylindrical transparent quartz sleeve 1 with an opening at one end and a semi-closed end, wherein the opening end of the transparent quartz sleeve 1 is connected with an annular sealing body, an air inlet 3 is formed in the top of the annular sealing body, the air inlet 3 is communicated with the inside of the transparent quartz sleeve 1, a long-column-shaped molybdenum-based alloy high-pressure reaction kettle 4 penetrates through the annular sealing body and is inserted into the transparent quartz sleeve 1, the long-column-shaped molybdenum-based alloy high-pressure reaction kettle 4 tightly presses the annular sealing body through a sealing pipe with threads and a sealing ring so as to seal and fix the transparent quartz sleeve 1, two holes are formed in the other end of the transparent quartz sleeve 1, one hole is a temperature measuring hole 7 (a temperature measuring thermocouple inserting hole), and the other hole is an exhaust hole 8.
Wherein, one end of the cylindrical transparent quartz sleeve 1 is provided with an opening and the other end is semi-closed, the semi-closed end is provided with two holes (namely a temperature measuring hole 7 and an exhaust hole 8) with the diameter of 0.3 cm, and the upper holes are used for temperature measuring thermocouples; the lower hole is used for discharging gas in the quartz tube, the opening end is sealed by an annular sealing body, the annular sealing body and the transparent quartz tube 1 can be sealed by threads and/or conventional high-temperature glue, a hole (namely an air inlet hole 3) with the diameter of 0.8 cm is formed in the top of the side face of the annular sealing body, the hole penetrates through the annular sealing body and is communicated with the transparent quartz sleeve 1, the annular sealing body is pressed and sealed by the sealing tube with the threads and a sealing ring, and the long columnar molybdenum alloy reaction kettle 4 penetrates through the annular sealing body (or the sealing flange) and is inserted into the transparent quartz sleeve 1. The annular sealing body and the sealing pipe are made of conventional materials resistant to high temperature in the field.
The anti-oxidation device suitable for the molybdenum-based alloy reaction kettle provided by the utility model has a structure which allows the anti-oxidation device to be directly sleeved on the molybdenum-gold alloy reaction kettle 4, and the molybdenum-gold alloy reaction kettle 4 is sealed into an oxygen-deficient semi-closed space; the main body, the annular sealing body and the sealing pipe are independent parts, so that the sealing device is convenient to disassemble and assemble and easy to clean; the main body of the reaction kettle is a high-temperature-resistant transparent quartz sleeve 1, so that the state of the molybdenum-gold alloy reaction kettle under a high-temperature condition can be conveniently and visually observed.
It should be noted that the above-mentioned embodiments are only illustrative and not restrictive, and any modifications or changes within the meaning and range of equivalents to the technical solutions of the present invention by those skilled in the art should be considered to be included in the protection scope of the present invention.
Claims (6)
1. An anti-oxidation device suitable for a molybdenum-based alloy reaction kettle is characterized by comprising a transparent quartz sleeve (1) and a sealing component, wherein one end of the transparent quartz sleeve (1) is an open end for the molybdenum-based alloy reaction kettle (4) to come in and go out, the other end of the transparent quartz sleeve is a semi-closed end, the sealing component comprises a first sealing body (2), a second sealing body (5) and a third sealing body (6), the first sealing body (2) is arranged at the open end of the transparent quartz sleeve (1), the first sealing body (2) is provided with an air inlet hole (3) communicated with the inner cavity of the transparent quartz sleeve (1), one end of the second sealing body (5) is detachably connected with the first sealing body (2), the other end of the second sealing body is fixed on the molybdenum-based alloy reaction kettle (4), and the third sealing body (6) is arranged between the first sealing body (2) and the second sealing body (5), the semi-closed end of the transparent quartz sleeve (1) is respectively provided with a temperature measuring hole (7) and an exhaust hole (8).
2. The protection device for the molybdenum-based alloy reaction kettle according to claim 1, wherein: the first sealing body (2) is an annular sealing body or a sealing flange, the second sealing body (5) is a sealing pipe, and the third sealing body (6) is a sealing ring.
3. The oxidation preventing device for the molybdenum-based alloy reaction kettle according to claim 2, wherein: the inner side surface of the first sealing body (2) is provided with threads, and the outer side surface of the second sealing body (5) is provided with threads used for being detachably connected with the first sealing body (2).
4. The oxidation preventing device for the molybdenum-based alloy reaction kettle according to claim 1, wherein: and a conventional high-temperature-resistant sealant is arranged between the first sealing body (2) and the open end of the transparent quartz sleeve (1).
5. The oxidation preventing device for the molybdenum-based alloy reaction kettle according to claim 1, wherein: the first sealing body (2) and the second sealing body (5) are made of conventional stainless steel, titanium alloy or nickel-based alloy.
6. The oxidation preventing device for the molybdenum-based alloy reaction kettle according to claim 1, wherein: the temperature measuring hole (7) is a temperature measuring thermocouple insertion hole; the transparent quartz sleeve (1) is a cylindrical transparent quartz sleeve, and the molybdenum-based alloy reaction kettle (4) is in a long cylindrical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121443813.XU CN216935952U (en) | 2021-06-28 | 2021-06-28 | Anti-oxidation device suitable for molybdenum-based alloy reaction kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121443813.XU CN216935952U (en) | 2021-06-28 | 2021-06-28 | Anti-oxidation device suitable for molybdenum-based alloy reaction kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216935952U true CN216935952U (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121443813.XU Active CN216935952U (en) | 2021-06-28 | 2021-06-28 | Anti-oxidation device suitable for molybdenum-based alloy reaction kettle |
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| CN (1) | CN216935952U (en) |
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2021
- 2021-06-28 CN CN202121443813.XU patent/CN216935952U/en active Active
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