CN219045565U - Wall-penetrating sealing device for thermocouple lead of high-pressure container - Google Patents
Wall-penetrating sealing device for thermocouple lead of high-pressure container Download PDFInfo
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- CN219045565U CN219045565U CN202123360910.5U CN202123360910U CN219045565U CN 219045565 U CN219045565 U CN 219045565U CN 202123360910 U CN202123360910 U CN 202123360910U CN 219045565 U CN219045565 U CN 219045565U
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- wall
- sealing
- piece
- pressure vessel
- protection tube
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- 238000007789 sealing Methods 0.000 title claims abstract description 103
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 13
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 239000003292 glue Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The wall penetrating sealing device is used for being installed in a countersink formed in a furnace wall of a high-pressure container, the countersink comprises a measuring port facing the inside of the high-pressure container, an installation port facing the outside of the high-pressure container and an abutting surface, and the projection of the measuring port on the surface of the furnace wall where the installation port is located completely falls into the installation port, and comprises a sealing piece and a fixing piece; the sealing element is abutted with the abutting surface, the sealing element is abutted with the inner wall of the countersunk hole, a through hole is formed in the sealing element, and the lead wire penetrates through the sealing element through the through hole and is abutted with the inner wall of the through hole; the mounting and the sealing member are abutted towards the side wall of the mounting opening, and the mounting and the inner wall of the counter bore are detachably connected. This application has the effect of the lead wire of the thermocouple of being convenient for change.
Description
Technical Field
The application relates to the field of thermocouple lead sealing technology, in particular to a wall-through sealing technology of thermocouple leads of a high-pressure container.
Background
The compound semiconductor is required to perform crystal growth in a high-pressure vessel, and the thermocouple is required to go deep into a crystal growth region of the high-pressure vessel to perform temperature measurement, and the measured temperature is transferred to an external meter terminal through a lead wire connected to the thermocouple, and the external meter terminal receives the temperature and displays it. The leads of the thermocouple need to be sealed as they pass through the furnace wall of the high pressure vessel to prevent the high pressure vessel from leaking gas, thereby causing failure in crystal growth.
In the prior art, a counter bore is formed in the furnace wall of the high-pressure container, and then the AB glue is used for bonding the lead in the counter bore, so that the aim of sealing is fulfilled. However, the AB glue has a high adhesive strength, so that when the thermocouple is replaced with a new lead wire in the case of breakage or breakage of the lead wire, the solidified AB glue block needs to be pulled up.
With respect to the related art described above, the inventors consider that the difficulty of replacing the lead wire in the AB glue of high adhesive strength is large.
Disclosure of Invention
In order to facilitate replacement of the thermocouple leads, the present application provides a wall-through seal for the thermocouple leads of a high pressure vessel.
The application provides a wall sealing device of high pressure vessel thermocouple lead wire adopts following technical scheme:
the wall-penetrating sealing device of the thermocouple lead of the high-pressure container is used for being installed in a countersunk hole formed in the furnace wall of the high-pressure container, the countersunk hole comprises a measuring port facing the inside of the high-pressure container, an installation port facing the outside of the high-pressure container and an abutting surface, and the projection of the measuring port on the surface of the furnace wall where the installation port is located completely falls into the installation port, and the wall-penetrating sealing device comprises a sealing piece and a fixing piece; the sealing piece is abutted with the abutting surface, the sealing piece is attached to the inner wall of the countersunk hole, a through hole is formed in the sealing piece, and the lead wire penetrates through the sealing piece through the through hole and is attached to the inner wall of the through hole; the fixing piece is abutted with the side wall of the sealing piece, facing the mounting opening, and the fixing piece is detachably connected with the inner wall of the counter bore.
Through the technical scheme, when the lead is installed, one end of the lead penetrates through the sealing element through the through hole, and then the sealing element with the lead penetrating through is placed in the counter bore, so that the sealing element is in contact with the abutting surface; then gradually moving the fixing piece towards the direction of the measuring port until the sealing piece reaches the maximum abutting state, so that the sealing piece is attached to the abutting surface, the communication between the mounting port and the measuring port is blocked, and further the sealing is completed; when the lead wire is disassembled, the fixing piece is gradually moved away from the direction of the measuring port, so that the connection between the sealing piece and the abutting surface is gradually loosened, the sealing piece positioned in the counter bore is further taken out, and the damaged lead wire is taken out, so that the replacement of the lead wire is completed. By adopting the technical means, the operation is convenient no matter the installation or the disassembly is carried out, thereby reducing the difficulty of replacing the lead.
Optionally, the fixing piece is connected with the inner wall of the counter bore through threads.
Optionally, the sealing member is a rubber pad made of rubber.
Through adopting above-mentioned technical scheme, the rubber pad has elasticity for the mounting is supporting the in-process of tight rubber pad, and the rubber pad supports tightly the butt face gradually, makes the clearance between butt face and the rubber pad reduce gradually, thereby reaches sealed counter bore's purpose, has reduced counter Kong Louqi's probability.
Optionally, the wire guide device further comprises a protection tube coated on the wire guide, the fixing piece is sleeved on the protection tube, and one end of the protection tube is abutted to the side wall of the sealing piece, facing the mounting opening.
Through adopting above-mentioned technical scheme, the protection tube cladding is on the lead wire, avoids the manual work to touch the lead wire and is scalded. Meanwhile, the protection tube also plays a role in guiding, so that the fixing piece moves along one end, connected with the sealing piece, of the protection tube, and the sealing piece is abutted to the maximum abutting state of the sealing piece by the fixing piece, so that the counter bore is sealed by the sealing piece, and the high-pressure container is prevented from leaking gas.
Optionally, the fixing piece is detachably connected with the protection tube.
Optionally, the fixing piece is in threaded connection with the protection pipe.
Optionally, the protection tube is a silicon carbide protection tube.
Through adopting above-mentioned technical scheme, carborundum protection tube has high temperature resistant characteristics for the protection tube can adapt more lead wires, thereby improves the practicality of wearing wall sealing device.
Optionally, the fixing member is square, hexagonal or circular.
Through adopting above-mentioned technical scheme for the mounting can adapt more types of torque wrench, and then has improved wall sealing device's practicality.
In summary, the present application includes at least one of the following beneficial technical effects:
1. during installation, one end of a lead wire penetrates through the sealing element and is connected with a thermocouple positioned in the high-pressure container, and the sealing element with the lead wire penetrating through is placed in the counter bore so that the sealing element is in contact with the abutting surface; then the other end of the lead penetrates through the protection tube and is connected with an external instrument end, and finally the fixing piece moves along the end, connected with the sealing piece, of the protection tube until the sealing piece is abutted to the maximum abutting state by the fixing piece, so that the sealing piece is abutted to the abutting surface, the communication between the mounting port and the measuring port is blocked, and the sealing is completed; when dismantling, remove the mounting along the one end that the protection tube deviates from the sealing member for the connection between sealing member and the butt face is lax gradually, and then takes out the sealing member that is located the counter bore, takes out the lead wire of damage again, thereby accomplishes the change lead wire. By adopting the technical means, the operation is convenient no matter the installation or the disassembly is carried out, thereby reducing the difficulty of replacing the lead.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present application.
Fig. 2 is a cross-sectional view of the overall structure of an embodiment of the present application.
Reference numerals illustrate: 1. a seal; 11. a through hole; 2. a fixing member; 3. a protective tube; 4. a high pressure vessel; 41. a countersunk hole; 411. a mounting port; 412. a measuring port; 413. an abutment surface; 5. and (5) a lead wire.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application.
The embodiment of the application discloses a wall-through sealing device of a thermocouple lead wire of a high-pressure container. Referring to fig. 1, a wall-through sealing device for thermocouple leads of a high-pressure vessel comprises a sealing element 1, a fixing element 2 and a protection tube 3, wherein the sealing element 1, the fixing element 2 and the protection tube 3 are arranged in a counter bore 41 formed on a furnace wall of the high-pressure vessel 4.
Referring to fig. 2, counterbore 41 includes a mounting port 411, a measurement port 412, and an abutment surface 413. The mounting opening 411 is positioned on the outer side wall of the high-pressure container 4, the measuring opening 412 is positioned on the inner side wall of the high-pressure container 4, and the projection of the measuring opening 412 to the upper surface of the furnace wall where the mounting opening 411 is positioned completely falls into the mounting opening 411; the abutment surface 413 is a step in the counterbore 41. The thermocouple is arranged in the high-pressure container 4, the lead 5 is connected with the thermocouple through the counter bore 41, and the sealing device is used for sealing the counter bore 41 to prevent the high-pressure container 4 from leaking gas. In the present embodiment, the high-pressure vessel 4 is cylindrical, and in other embodiments, the high-pressure vessel 4 may be spherical, rectangular columnar, or the like, without limitation.
Referring to fig. 2, the seal 1 abuts against the abutment surface 413, and the seal 1 abuts against the inner wall of the counterbore 41. The sealing member 1 is provided with a through hole 11 along the direction of the measuring port 412 toward the mounting port 411, one end of the lead 5 penetrates the sealing member 1 through the through hole 11 and is connected with a thermocouple in the high-pressure container 4, and the other end of the lead 5 penetrates the protection tube 3 and is connected with an external instrument end. One end of the sealing element 1, which is away from the abutting surface 413, abuts against the protection tube 3, the fixing element 2 is sleeved on the protection tube 3, and the fixing element 2 is detachably connected with the protection tube 3. During installation, one end of the lead 5 penetrates through the sealing element 1 through the through hole 11, then the sealing element 1 with the lead 5 penetrating through is placed in the counter bore 41, one end of the lead 5 facing the inside of the high-pressure container 4 is connected with the thermocouple, the other end of the lead 5 penetrates through the protection tube 3 to be connected with the external instrument end, then the fixing element 2 moves along one end, connected with the sealing element 1, of the protection tube 3 until the fixing element 2 abuts against the sealing element 1 to the maximum abutting state of the sealing element 1, and the counter bore 41 is sealed by the sealing element 1, so that air leakage of the high-pressure container 4 is prevented. In this embodiment, the external instrument end is a device that is used in cooperation with the thermocouple, and the external instrument end is used for displaying the temperature detected by the thermocouple, which is not described herein.
Specifically, the sealing member 1 is made of rubber, which is resistant to high temperature and not easy to wear, and is elastic, so that the fixing member 2 is tightly pressed against the sealing member 1 until the sealing member 1 reaches the maximum tight pressing state, and the sealing member 1 is fully compacted towards the air gap on one side of the measuring port 412, thereby preventing the high-pressure container 4 from air leakage.
Referring to fig. 2, the protection tube 3 is made of a high temperature resistant silicon carbide protection tube 3, and the protection tube 3 is coated on the outer side wall of the lead 5 and used for isolating the lead 5 and avoiding scalding caused by touching the lead 5 during manual operation. The protective tube 3 also serves as a guide for guiding the fixing element 2. During installation, the fixing piece 2 moves along one end of the protection pipe 3, to which the sealing piece 1 is connected, until the fixing piece 2 abuts against the sealing piece 1 to the maximum abutting state; during disassembly, the fixing piece 2 moves along one end of the protection tube 3, which is away from the sealing piece 1, so that the connection between the sealing piece 1 and the abutting surface 413 is gradually loosened, the sealing piece 1 is conveniently taken out, and the lead 5 is conveniently disassembled.
Referring to fig. 2, the fixing member 2 has a square shape, a hexagonal shape or a circular shape, so that the fixing member 2 can be conveniently adapted to more torque wrenches. The fixing piece 2 is provided with a round hole, the protection pipe 3 is detachably connected with the inner wall of the round hole, and the outer side wall of the fixing piece 2 is in threaded connection with the inner wall of the counter bore 41. Specifically, the outer side wall of the fixing piece 2 is provided with a first external thread, the inner wall of the countersunk hole 41, which is close to the mounting opening 411, is provided with a first internal thread which is matched with the first external thread, and the first internal thread is meshed with the first external thread; the inner wall of the round hole formed in the fixing piece 2 is provided with a second internal thread, one end, close to the sealing piece 1, of the protection tube 3 is provided with a second external thread matched with the second internal thread, and the second internal thread is meshed with the second external thread. When the sealing device is installed, the fixing piece 2 gradually moves towards the sealing piece 1 under the guiding action of the protection pipe 3, so that the first internal thread and the first external thread are gradually meshed until the sealing piece 1 reaches the maximum abutting state; when the sealing element is disassembled, the fixing element 2 is gradually far away from the sealing element 1 under the guiding action of the protection tube 3, so that the first internal thread and the first external thread are gradually separated, and then the connection between the sealing element 1 and the abutting surface 413 is gradually loosened, and the sealing element 1 is conveniently taken out.
The implementation principle of the wall-penetrating sealing device of the thermocouple lead of the high-pressure container is as follows: during installation, one end of the lead 5 penetrates through the sealing element 1 to be connected with a thermocouple positioned in the high-pressure container 4, then the sealing element 1 penetrated with the lead 5 is placed into the counter bore 41 of the high-pressure container 4 from the installation opening 411, the other end of the lead 5 penetrates through the protection tube 3 to be connected with an external instrument end, and finally the fixing element 2 moves along the end, connected with the sealing element 1, of the protection tube 3 until the fixing element 2 abuts against the sealing element 1 to the maximum abutting state. During disassembly, the fixing piece 2 moves along one end of the protection tube 3, which is away from the sealing piece 1, so that the connection between the sealing piece 1 and the abutting surface 413 is gradually loosened, the sealing piece 1 is conveniently taken out, and the lead 5 is conveniently disassembled.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. The utility model provides a wall sealing device is worn to high-pressure vessel thermocouple lead wire for install in counter bore (41) of seting up on the oven of high-pressure vessel (4), counter bore (41) are including towards inside measuring port (412) of high-pressure vessel (4), towards outside installing port (411) and butt face (413) of high-pressure vessel (4), the projection of measuring port (412) on the oven surface at installing port (411) place falls into installing port (411) completely, its characterized in that: comprises a sealing element (1) and a fixing element (2);
the sealing piece (1) is abutted with the abutting surface (413), the sealing piece (1) is abutted with the inner wall of the countersunk hole (41), a through hole (11) is formed in the sealing piece (1), and the lead (5) penetrates through the sealing piece (1) through the through hole (11) and is abutted with the inner wall of the through hole (11);
the fixing piece (2) is abutted with the side wall, facing the mounting opening (411), of the sealing piece (1), and the fixing piece (2) is detachably connected with the inner wall of the counter bore (41).
2. The wall-through sealing device for thermocouple wires of high pressure vessel according to claim 1, wherein: the fixing piece (2) is connected with the inner wall of the counter bore (41) through threads.
3. The wall-through sealing device for thermocouple wires of high pressure vessel according to claim 1, wherein: the sealing piece (1) is a rubber pad made of rubber materials.
4. The wall-through sealing device for thermocouple wires of high pressure vessel according to claim 1, wherein: the protection device is characterized by further comprising a protection tube (3) coated on the lead (5), wherein the fixing piece (2) is sleeved on the protection tube (3), and one end of the protection tube (3) is abutted with the sealing piece (1) towards the side wall of the mounting opening (411).
5. The wall-through sealing device for thermocouple wires of high pressure vessel according to claim 4, wherein: the fixing piece (2) is detachably connected with the protection tube (3).
6. The wall-through sealing device of thermocouple leads for high pressure vessels according to claim 5 wherein said fixture (2) is threaded with said protective tube (3).
7. The wall-through sealing device for thermocouple wires of high pressure vessel according to claim 4, wherein: the protection tube (3) is a silicon carbide protection tube (3).
8. The wall-through sealing device for thermocouple wires of high pressure vessel according to claim 1, wherein: the fixing piece (2) is in a quadrangle shape, a hexagon shape or a round shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123360910.5U CN219045565U (en) | 2021-12-28 | 2021-12-28 | Wall-penetrating sealing device for thermocouple lead of high-pressure container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123360910.5U CN219045565U (en) | 2021-12-28 | 2021-12-28 | Wall-penetrating sealing device for thermocouple lead of high-pressure container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219045565U true CN219045565U (en) | 2023-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123360910.5U Active CN219045565U (en) | 2021-12-28 | 2021-12-28 | Wall-penetrating sealing device for thermocouple lead of high-pressure container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219045565U (en) |
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2021
- 2021-12-28 CN CN202123360910.5U patent/CN219045565U/en active Active
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