CN212672403U - High-temperature mechanical sealing device - Google Patents
High-temperature mechanical sealing device Download PDFInfo
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- CN212672403U CN212672403U CN202022890252.XU CN202022890252U CN212672403U CN 212672403 U CN212672403 U CN 212672403U CN 202022890252 U CN202022890252 U CN 202022890252U CN 212672403 U CN212672403 U CN 212672403U
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Abstract
The utility model discloses a high temperature mechanical seal device, including the device of screwing, the device of screwing bottom is connected with the analog device (mixing) shaft, and analog device (mixing) shaft upper surface is provided with the sealing washer, the sealing washer is installed at the bearing chamber left surface, and the bearing chamber right flank installs the second sealing washer to the middle chamber is installed on bearing chamber upper end right side. The device compares with original similar equipment, the multiple seal has very big security guarantee, the multiunit spring sets up, self-adaptation adjustment volume has been increased, still can guarantee sealed effect when sound ring friction is comparatively serious, continue the operation, the sealing washer all adopts high temperature resistant material, can make the body directly bear 300 ℃ high temperature, for dynamic seal components such as magnetic current body, the body bears high temperature degree and improves 200 ℃, under higher service temperature, the cooling resource has very big saving, in the aspect of examining the maintenance, this device installation is simple, it is convenient to dismantle, for examining the maintenance provide very big convenience.
Description
Technical Field
The utility model relates to a high temperature furnace dynamic seal technical field specifically is a high temperature mechanical seal device.
Background
The high-temperature mechanical seal assembly is applied to certain high-temperature equipment with rotation, common static seal and dynamic seal are widely applied, and high-temperature dynamic seal is also applied to some equipment, but the high-temperature dynamic seal in the prior art often faces the problem of difficulty in inspection and maintenance, at present, the high-temperature dynamic seal often adopts sealing modes such as magnetic fluid and the like, the highest temperature of the magnetic fluid seal is 120 ℃, in a high-temperature use environment, the magnetic fluid is required to be provided with a cooling function, the temperature of the magnetic fluid body is reduced to below 120 ℃, and a large amount of cooling gas is required in the process. In addition, when the magnetic fluid fails, the magnetic fluid is difficult to maintain, and when the internal bearing of the magnetic fluid is replaced, the internal magnetic fluid is difficult to treat.
The high-temperature mechanical seal assembly of this design can bear 300 ℃ of temperature at most, is equipped with the cooling and imports and exports at seal assembly, when using under the higher temperature, can cool off high-temperature mechanical seal assembly, protects high-temperature mechanical seal assembly's continuous operation. When the high-temperature sealing assembly is inspected and maintained, all parts are convenient to connect, and after the high-temperature sealing assembly is disassembled integrally, the parts needing to be replaced are disassembled and replaced. Outside high temperature mechanical seal subassembly accessible through connection to glove box, when the maintenance operation is examined to needs, can directly examine the maintenance operation in the glove box outside, reduced the operator and exposed in adverse circumstances such as poisonous, harmful or irradiation, very big assurance personal safety.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high temperature mechanical seal device to solve the convenient problem of overhauing of a high temperature mechanical seal device among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a high-temperature mechanical sealing device comprises a screwing device, wherein the bottom of the screwing device is connected with a simulation equipment stirring shaft, the upper surface of the simulation equipment stirring shaft is provided with a first sealing ring, the first sealing ring is arranged on the left side surface of a bearing cavity, the right side surface of the bearing cavity is provided with a second sealing ring, the right side surface of the upper end of the bearing cavity is provided with a middle cavity, the right side surface of the second sealing ring is in contact connection with a pin bolt, the right side surface of the pin bolt is provided with an outer end sealing static ring, the right side surface of the outer end sealing static ring is provided with an outer end sealing dynamic ring, the upper surface of the outer end sealing dynamic ring is connected with a first dynamic ring seat, the inner surface of the first dynamic ring seat is provided with a spring baffle, the bottom end of the spring baffle is provided with a key, the upper surface of the first dynamic ring seat is in contact with a sealing cavity, and first interior quiet ring seat is installed at the sealed quiet ring left surface in the inner to the sealed quiet ring right side in the inner installs the sealed rotating ring in the inner, bearing cavity internal surface top is provided with the third sealing washer, and is provided with fourth sealing washer and fifth sealing washer below the bearing cavity internal surface, the sealed quiet ring left surface in the inner installs the quiet sealed connecting pin in the inner, bearing cavity internal surface is provided with sealing spring and sixth sealing washer, and bearing cavity bottom surface mounting has seventh sealing washer and eighth sealing washer to bearing cavity internal surface mounting has ninth sealing washer and tenth sealing washer, bearing cavity internal surface is provided with the eleventh sealing washer, and the eleventh sealing washer is installed at the axle sleeve surface.
Preferably, the length of the bearing cavity is the same as that of the shaft sleeve, the length of the bearing cavity is smaller than that of the simulation equipment stirring shaft, and the diameter of the bearing cavity is the same as that of the simulation equipment stirring shaft.
Preferably, the outer end sealing static ring is a surface bulge, and the inner diameter of the outer end sealing static ring is the same as that of the outer end sealing movable ring.
Preferably, the number of the spring baffles is 2, the diameters of the 2 spring baffles are the same, and the 2 spring baffles are axially symmetrical about the stirring shaft of the simulation equipment.
Preferably, the surface of the inner end sealing static ring is concave, and the inner diameter of the inner end sealing static ring is the same as that of the inner end sealing moving ring.
Preferably, the number of the sealing springs is 2, the length of the 2 sealing springs is the same, and the elasticity index of the 2 sealing springs is the same.
Compared with the prior art, the beneficial effects of the utility model are that: the device compares with original similar equipment, the multiple seal has very big security guarantee, the multiunit spring sets up, self-adaptation adjustment volume has been increased, still can guarantee to seal when the friction of sound ring is comparatively serious, continue the operation, the sealing washer all adopts high temperature resistant material, can make the body directly bear 300 ℃ high temperature, for dynamic seal components such as magnetic current body, the body bears the high temperature degree and improves 200 ℃, under higher service temperature, the cooling resource has very big saving, in the aspect of examining the maintenance, this device installation is simple, it is convenient to dismantle, for examining the maintenance provide very big convenience.
1. The inlet and the outlet of cooling gas are arranged in the device, the inlet and the outlet of the bearing lubricating device and the leaked gas collecting port are formed, the inlet and the outlet of the bearing lubricating device and the leaked gas collecting port facilitate the inspection and maintenance operations of the mechanical sealing assembly to a great extent, lubricating grease can be added to the bearing without detaching the sealing assembly, the leaked gas collecting port can be used for assisting in testing the sealing assembly in sealing, the high-temperature mechanical sealing assembly does not need to be separated from the furnace body, and the sealing performance of the furnace body can be detected independently. The method has great convenience for finding the device missing points;
2. through all adopting carbide in the quiet ring of moving in the device, there are better high temperature resistance and wearability, all support with the multiunit spring between the quiet ring of every group moving, after the quiet ring is rubbed for a long time, unevenness can appear in the rotating ring and quiet ring friction plane, and setting up of multiunit spring can make the rotating ring have very big adjustment volume, increases bearing assembly's life.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of point A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged schematic view of point B of FIG. 1 according to the present invention;
FIG. 4 is an enlarged schematic view of point C of FIG. 1 according to the present invention;
in the figure: 1. screwing devices; 2. simulating a stirring shaft of equipment; 3. a first seal ring; 4. a bearing cavity; 5. A second seal ring; 6. a middle cavity; 7. a pin; 8. the outer end of the static ring is sealed; 9. the outer end is sealed with a movable ring; 10. A first movable ring seat; 11. a spring baffle; 12. a key; 13. sealing the cavity; 14. the inner end is statically sealed with a stop ring; 15. a first inner stationary ring seat; 16. the inner end is sealed with a static ring; 17. the inner end is sealed with a movable ring; 18. a third seal ring; 19. a fourth seal ring; 20. a fifth seal ring; 21. the inner end is statically sealed and connected with a pin; 22. a seal spring; 23. a sixth seal ring; 24. a seventh seal ring; 25. an eighth seal ring; 26. a ninth seal ring; 27. a tenth seal ring; 28. an eleventh seal ring; 29. and a shaft sleeve.
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 a technical solution: a high-temperature mechanical sealing device comprises a screwing device 1, wherein the bottom of the screwing device 1 is connected with a simulation equipment stirring shaft 2, the upper surface of the simulation equipment stirring shaft 2 is provided with a first sealing ring 3, the first sealing ring 3 is arranged on the left side surface of a bearing cavity 4, the right side surface of the bearing cavity 4 is provided with a second sealing ring 5, the right side surface of the upper end of the bearing cavity 4 is provided with a middle cavity 6, the right side surface of the second sealing ring 5 is in contact connection with a pin bolt 7, the right side surface of the pin bolt 7 is provided with an outer end sealing static ring 8, the right side surface of the outer end sealing static ring 8 is provided with an outer end sealing dynamic ring 9, the upper surface of the outer end sealing dynamic ring 9 is connected with a first dynamic ring seat 10, the inner surface of the first dynamic ring seat 10 is provided with a spring baffle plate 11, the bottom end of the spring baffle plate 11 is provided with a key 12, the outer surface of the inner end static sealing stop ring 14 is provided with a first inner static ring seat 15, the first inner static ring seat 15 is installed on the left side surface of the inner end static sealing ring 16, the right side of the inner end static sealing ring 16 is provided with an inner end dynamic sealing ring 17, a third sealing ring 18 is arranged above the inner surface of the bearing cavity 4, a fourth sealing ring 19 and a fifth sealing ring 20 are arranged below the inner surface of the bearing cavity 4, the left side surface of the inner end static sealing ring 16 is provided with an inner end static sealing connecting pin 21, the inner surface of the bearing cavity 4 is provided with a sealing spring 22 and a sixth sealing ring 23, the bottom surface of the bearing cavity 4 is provided with a seventh sealing ring 24 and an eighth sealing ring 25, the inner surface of the bearing cavity 4 is provided with a ninth sealing ring 26 and a tenth sealing ring 27, the inner surface of the bearing cavity 4 is.
The length of the bearing cavity 4 is the same as that of the shaft sleeve 29, the length of the bearing cavity 4 is smaller than that of the simulation equipment stirring shaft 2, and the diameter of the bearing cavity 4 is the same as that of the simulation equipment stirring shaft 2.
The outer end sealing static ring 8 is a surface bulge, and the inner diameter of the outer end sealing static ring 8 is the same as that of the outer end sealing dynamic ring 9.
The number of the spring baffles 11 is 2, the diameters of the 2 spring baffles 11 are the same, and the 2 spring baffles 11 are axisymmetric with respect to the simulation device stirring shaft 2.
The surface of the inner end sealing static ring 16 is concave, and the inner diameter of the inner end sealing static ring 16 is the same as that of the inner end sealing moving ring 17.
The number of the seal springs 22 is 2, and the length of the 2 seal springs 22 is the same, and the elastic index of the 2 seal springs 22 is the same.
The working principle is as follows: when the screwing device 1 is closed, the stirring shaft 2 of the simulation equipment starts to work, lubricating grease flows in from the inlet and flows out from the outlet, liquid flows through the bearing cavity 4 firstly, and flows out from the outlet under the action of the two sealing rings, so that the surface of the stirring shaft 2 of the simulation equipment is lubricated;
when liquid passes through two chambers in the sealing cavity 13, the two chambers are communicated with each other, and the introduced cooling gas cools the area, when gas enters from a gas inlet and passes through the outer end sealing static ring 8, the outer end sealing movable ring 9 is driven to rotate along with the static state of the outer end sealing static ring 8, the gas pressure is changed under the action of the spring baffle plate 11, the gas passing through the sealing cavity 13 is sent out from a gas outlet and is connected with a high-temperature equipment rotating shaft through the shaft sleeve 29, the rotating shaft is fixed with the shaft sleeve 29 through fixed connection, and when the shaft sleeve 29 rotates along with the equipment rotating shaft, the outer end sealing movable ring 9, the inner end sealing movable ring 17, the movable ring sealing ring, the spring baffle plate 11 and the sealing spring 22 can slightly move along the axial direction under the thrust action, so that certain compensation capacity is achieved;
the whole device mainly comprises a bearing cavity 4, a middle cavity 6 and a sealing cavity 13, the high-temperature sealing assembly is convenient to inspect and maintain under the condition of meeting the use requirement, in order to prolong the service life of equipment as far as possible, the high-temperature resistance and the wear resistance of materials are also required to be considered for selecting a rotating part and a sealing ring for the high-temperature mechanical sealing assembly, and the content which is not described in detail in the specification belongs to the prior art which is known by professionals in the field.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A high-temperature mechanical sealing device comprises a screwing device (1) and is characterized in that: the bottom of the screwing device (1) is connected with a simulation equipment stirring shaft (2), the upper surface of the simulation equipment stirring shaft (2) is provided with a first sealing ring (3), the first sealing ring (3) is installed on the left side surface of a bearing cavity (4), the right side surface of the bearing cavity (4) is provided with a second sealing ring (5), the right side of the upper end of the bearing cavity (4) is provided with a middle cavity (6), the right side surface of the second sealing ring (5) is in contact connection with a pin bolt (7), the right side surface of the pin bolt (7) is provided with an outer end sealing static ring (8), the right side surface of the outer end sealing static ring (8) is provided with an outer end sealing movable ring (9), the upper surface of the outer end sealing movable ring (9) is connected with a first movable ring seat (10), the inner surface of the first movable ring seat (10) is provided with a spring baffle (11), and, the upper surface of the first movable ring seat (10) is connected with a sealing cavity (13) in a contact manner, an inner static sealing stop ring (14) is installed in the sealing cavity (13), a first inner static ring seat (15) is arranged on the outer surface of the inner static sealing stop ring (14), the first inner static ring seat (15) is installed on the left side surface of the inner static sealing ring (16), an inner static sealing movable ring (17) is installed on the right side of the inner static sealing ring (16), a third sealing ring (18) is arranged above the inner surface of the bearing cavity (4), a fourth sealing ring (19) and a fifth sealing ring (20) are arranged below the inner surface of the bearing cavity (4), an inner static sealing connecting pin (21) is installed on the left side surface of the inner static sealing ring (16), a sealing spring (22) and a sixth sealing ring (23) are arranged on the inner surface of the bearing cavity (4), and a seventh sealing ring (24) and an eighth sealing ring (25) are installed on the bottom surface of the, and a ninth sealing ring (26) and a tenth sealing ring (27) are installed on the inner surface of the bearing cavity (4), an eleventh sealing ring (28) is arranged on the inner surface of the bearing cavity (4), and the eleventh sealing ring (28) is installed on the outer surface of the shaft sleeve (29).
2. A high temperature mechanical seal according to claim 1 wherein: the length of the bearing cavity (4) is the same as that of the shaft sleeve (29), the length of the bearing cavity (4) is smaller than that of the simulation equipment stirring shaft (2), and the diameter of the bearing cavity (4) is the same as that of the simulation equipment stirring shaft (2).
3. A high temperature mechanical seal according to claim 1 wherein: the outer end sealing static ring (8) is a surface bulge, and the inner diameter of the outer end sealing static ring (8) is the same as that of the outer end sealing moving ring (9).
4. A high temperature mechanical seal according to claim 1 wherein: the number of the spring baffles (11) is 2, the diameters of the 2 spring baffles (11) are the same, and the 2 spring baffles (11) are axially symmetrical about the simulation equipment stirring shaft (2).
5. A high temperature mechanical seal according to claim 1 wherein: the surface of the inner end sealing static ring (16) is concave, and the inner diameter of the inner end sealing static ring (16) is the same as that of the inner end sealing moving ring (17).
6. A high temperature mechanical seal according to claim 1 wherein: the number of the sealing springs (22) is 2, the length of the 2 sealing springs (22) is the same, and the elasticity index of the 2 sealing springs (22) is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022890252.XU CN212672403U (en) | 2020-12-03 | 2020-12-03 | High-temperature mechanical sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022890252.XU CN212672403U (en) | 2020-12-03 | 2020-12-03 | High-temperature mechanical sealing device |
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| Publication Number | Publication Date |
|---|---|
| CN212672403U true CN212672403U (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022890252.XU Active CN212672403U (en) | 2020-12-03 | 2020-12-03 | High-temperature mechanical sealing device |
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| CN (1) | CN212672403U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797734A (en) * | 2022-04-28 | 2022-07-29 | 北京精仪天和智能装备有限公司 | Radiation powder material homogenization reaction device |
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2020
- 2020-12-03 CN CN202022890252.XU patent/CN212672403U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797734A (en) * | 2022-04-28 | 2022-07-29 | 北京精仪天和智能装备有限公司 | Radiation powder material homogenization reaction device |
| CN114797734B (en) * | 2022-04-28 | 2024-05-03 | 北京精仪天和智能装备有限公司 | Radiation powder material homogenizing reaction device |
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