CN220566576U - Double-end-face mechanical sealing device for kettle - Google Patents
Double-end-face mechanical sealing device for kettle Download PDFInfo
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- CN220566576U CN220566576U CN202322208460.0U CN202322208460U CN220566576U CN 220566576 U CN220566576 U CN 220566576U CN 202322208460 U CN202322208460 U CN 202322208460U CN 220566576 U CN220566576 U CN 220566576U
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- sealing
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- 238000007789 sealing Methods 0.000 title claims abstract description 79
- 230000003068 static effect Effects 0.000 claims abstract description 39
- 230000002708 enhancing effect Effects 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 238000001816 cooling Methods 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 19
- 239000000110 cooling liquid Substances 0.000 description 10
- 238000009825 accumulation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000013021 overheating Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- Mechanical Sealing (AREA)
Abstract
The utility model relates to the technical field of mechanical sealing, in particular to a double-end-face mechanical sealing device for a kettle, which comprises a sealing component group arranged outside a double-end-face mechanical sealing main body, wherein the sealing component group is used for enhancing the sealing property of the double-end-face mechanical sealing main body and comprises an upper supporting ring, an upper bolt piece is arranged inside the upper supporting ring, an upper V-shaped ring is arranged on one side of the upper supporting ring, and a lower supporting ring is arranged on one side of a lower static ring seat. The utility model can form static seal at two ends of the double-end-face mechanical seal main body, prevent the shaft from moving in unnecessary directions, realize the correct alignment of the shaft and the mechanical seal device, prevent the radial movement of the shaft, ensure that the mechanical seal operates stably, greatly improve the sealing performance and prolong the service life.
Description
Technical Field
The utility model relates to the technical field of mechanical sealing, in particular to a double-end-face mechanical sealing device for a kettle.
Background
A double-end-face mechanical sealing device is commonly used in a reaction kettle and is used for preventing medium leakage and external impurities from entering the equipment, and the double-end-face mechanical sealing device consists of two parallel mechanical sealing rings which are respectively connected with a rotating shaft and an equipment shell.
The existing double-end-face mechanical sealing device is used for sealing mechanically only through contact of a stationary ring and a movable ring, the sealing structure is insufficient in sealing performance, internal medium leakage is easy to occur, on the other hand, heat accumulation can be generated after the stationary ring and the movable ring are in long-time contact friction, the use of the sealing structure can be affected by the accumulated heat, and the sealing performance is reduced.
Disclosure of Invention
In order to overcome the technical problems, the utility model aims to provide a double-end-face mechanical sealing device for a kettle, which solves the problems that the sealing performance of the existing double-end-face sealing structure is insufficient and the static ring and the moving ring cannot be cooled in the prior art.
In order to achieve the above purpose, the utility model provides a double-end-face mechanical sealing device for a kettle, which comprises a double-end-face mechanical sealing main body, wherein the double-end-face mechanical sealing main body comprises a shaft sleeve, the shaft sleeve is connected with a spring seat through a bolt, one side of the spring seat is provided with a movable ring piece and a static ring piece, the movable ring piece and the static ring piece are provided with two groups, the two groups of movable ring pieces and the static ring piece are contacted with each other, the spring seat is internally penetrated with a spring piece, the spring piece is connected between the two groups of movable ring pieces, one side of the two groups of static ring pieces is respectively connected with an upper static ring seat and a lower static ring seat, a cavity shell is connected between the lower static ring seat and the upper static ring seat,
the sealing device comprises a double-end-face mechanical sealing main body, and is characterized in that a sealing component group is arranged outside the double-end-face mechanical sealing main body and used for enhancing the sealing performance of the double-end-face mechanical sealing main body, the sealing component group comprises an upper supporting ring, an upper bolt piece is arranged inside the upper supporting ring, an upper V-shaped ring is arranged on one side of the upper supporting ring, a lower supporting ring is arranged on one side of a lower stationary ring seat, a lower bolt piece is arranged inside the lower supporting ring, and a lower V-shaped ring is arranged on one side of the lower bolt piece;
one side of the double-end-face mechanical seal main body is provided with a cooling component group, and the cooling component group is used for cooling the static ring piece and the dynamic ring piece.
Preferably: the upper bolt pieces are provided with six groups, the six groups of upper bolt pieces are uniformly distributed on the upper supporting ring, threaded holes are formed in positions of the upper supporting ring corresponding to the six groups of upper bolt pieces, and the upper supporting ring is connected with the two groups of upper bolt pieces through threads.
Preferably: the upper static ring seat is provided with threaded holes at positions corresponding to six groups of upper bolt pieces, the upper static ring seat is connected with the six groups of upper bolt pieces through threads, the upper static ring seat is connected with the upper supporting ring through the upper bolt pieces, one side of the upper supporting ring contacts with the upper V-shaped ring, and the upper V-shaped ring is extruded between the upper static ring seat and the shaft sleeve piece.
Preferably: the lower bolt piece sets up six groups, and six groups of lower bolt pieces evenly distributed are on the lower support ring, and the position that the lower support ring was corresponding six groups of lower bolt pieces is provided with the screw hole, and lower support ring and six groups of lower bolt pieces pass through threaded connection, the position that the lower quiet ring seat was corresponding six groups of lower bolt pieces is provided with the screw hole, and the quiet ring seat of going down passes through screw thread and six groups of lower bolt pieces to be connected, quiet ring seat of going down and lower support ring pass through six groups of lower bolt pieces to be connected, one side of lower support ring contacts with down the V-arrangement circle, down the V-arrangement circle extrusion is between quiet ring seat of going down and axle sleeve spare.
Preferably: the cooling component group comprises a water inlet, an inner cavity is arranged on one side of the water inlet, and a water outlet is arranged on one side of the water inlet.
Preferably: the inner chamber is a cavity in the cavity shell, the water inlet port is connected to the cavity shell, and a threaded opening is formed in the top of the water inlet port.
Preferably: the drainage port is connected to the cavity shell, a threaded opening is formed in the top of the drainage port, the water inlet port is connected with the liquid inlet pipe through threads, and the drainage port is connected with the liquid outlet pipe through threads.
Compared with the prior art, the utility model has the beneficial effects that:
1. the sealing structure is not enough in sealing performance, the condition of internal medium leakage is easy to occur, an upper V-shaped ring and a lower V-shaped ring are respectively arranged at two ends of a double-end mechanical sealing main body in the sealing component group which is correspondingly designed, the upper V-shaped ring is extruded between an upper static ring seat and a shaft sleeve part through an upper bolt part and an upper supporting ring, the lower V-shaped ring is extruded between a lower static ring seat and the shaft sleeve part through a lower supporting ring and a lower bolt part, the upper V-shaped ring and the lower V-shaped ring can form static sealing at two ends of the double-end mechanical sealing main body, the shaft is prevented from moving in an unnecessary direction, the correct alignment of the shaft and the mechanical sealing device is prevented, the radial movement of the shaft is stable, the sealing performance is greatly improved, and the service life is prolonged;
2. the double-end-face mechanical sealing device for the kettle is provided with a cooling component set, heat accumulation can be generated after long-time contact friction of a stationary ring and a movable ring, the use of a sealing structure can be affected by the accumulated heat, the sealing performance is reduced, in the cooling component set which is correspondingly designed, a liquid inlet pipe is connected to a water inlet port in a threaded mode, a liquid outlet pipe is connected to a water outlet port in a threaded mode, cooling liquid is injected into an inner cavity through the liquid inlet pipe, then the liquid outlet pipe is connected with the water outlet port in a threaded mode, the cooling liquid can be in contact with the stationary ring and the movable ring in the inner cavity when passing through the inner cavity, heat generated by friction of the stationary ring and the movable ring can be conducted onto the cooling liquid, the cooling operation on the stationary ring and the movable ring is completed through the cooling liquid, the design of the cooling component set can ensure that the mechanical sealing structure is still maintained at a proper temperature under long-time use, and the problem of reducing sealing performance caused by overheating is avoided.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;
FIG. 2 is a schematic diagram of an overall two-dimensional structure of the present utility model;
FIG. 3 is a schematic overall cross-sectional view of the present utility model;
FIG. 4 is a schematic diagram of the structure of FIG. 3A according to the present utility model;
fig. 5 is a schematic diagram of the structure of fig. 3B according to the present utility model.
In the figure: 01. a double-ended mechanical seal body; 11. a shaft sleeve; 12. an upper stationary ring seat; 13. a stationary ring member; 14. a moving ring; 15. a spring seat; 16. a spring member; 17. a lower stationary ring seat; 18. a cavity housing; 02. a seal member group; 21. an upper support ring; 22. a bolt piece is arranged; 23. a V-shaped ring is arranged on the upper part; 24. a lower support ring; 25. a lower bolt member; 26. a lower V-shaped ring; 03. a cooling component group; 31. a water inlet port; 32. an inner chamber; 33. a drain port.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, an embodiment of the present utility model is provided: the double-end-face mechanical sealing device for the kettle comprises a double-end-face mechanical sealing main body 01, wherein the double-end-face mechanical sealing main body 01 comprises a shaft sleeve 11, a spring seat 15 is connected to the shaft sleeve 11 through bolts, a movable ring 14 and a static ring 13 are arranged on one side of the spring seat 15, two groups of movable ring 14 and static ring 13 are in mutual contact, a spring 16 penetrates through the interior of the spring seat 15, the spring 16 is connected between the two groups of movable ring 14, an upper static ring seat 12 and a lower static ring seat 17 are respectively connected to one side of the two groups of static ring 13, a cavity shell 18 is connected between the lower static ring seat 17 and the upper static ring seat 12, a sealing component group 02 is arranged on the exterior of the double-end-face mechanical sealing main body 01, the sealing component group 02 is used for reinforcing the sealing performance of the double-end-face mechanical sealing main body 01, the sealing component group 02 comprises an upper support ring 21, an upper bolt member 22 is arranged in the interior of the upper support ring 21, an upper V-shaped ring 23 is arranged on one side of the upper support ring 21, a lower support ring 24 is arranged on one side of the lower support ring 24, a lower V-shaped bolt 25 is arranged on one side of the lower support 24, and a lower V-shaped bolt 25 is arranged on one side of the lower support 24; one side of the double-end mechanical seal body 01 is provided with a cooling component group 03, and the cooling component group 03 is used for cooling the stationary ring 13 and the moving ring 14.
The upper bolt pieces 22 are provided with six groups, the six groups of upper bolt pieces 22 are uniformly distributed on the upper supporting ring 21, the positions of the upper supporting ring 21 corresponding to the six groups of upper bolt pieces 22 are provided with threaded holes, and the upper supporting ring 21 is connected with the two groups of upper bolt pieces 22 through threads.
The upper stationary ring seat 12 is provided with threaded holes at positions corresponding to six groups of upper bolt pieces 22, and the upper stationary ring seat 12 and the six groups of upper bolt pieces 22 are connected through threads, the upper stationary ring seat 12 and the upper supporting ring 21 are connected through the upper bolt pieces 22, one side of the upper supporting ring 21 contacts with the upper V-shaped ring 23, and the upper V-shaped ring 23 is extruded between the upper stationary ring seat 12 and the shaft sleeve piece 11.
The lower bolt pieces 25 are arranged in six groups, the six groups of lower bolt pieces 25 are uniformly distributed on the lower supporting ring 24, threaded holes are formed in positions of the lower supporting ring 24 corresponding to the six groups of lower bolt pieces 25, the lower supporting ring 24 and the six groups of lower bolt pieces 25 are connected through threads, threaded holes are formed in positions of the lower static ring seat 17 corresponding to the six groups of lower bolt pieces 25, the lower static ring seat 17 is connected with the six groups of lower bolt pieces 25 through threads, the lower static ring seat 17 is connected with the lower supporting ring 24 through the six groups of lower bolt pieces 25, one side of the lower supporting ring 24 is in contact with the lower V-shaped ring 26, the lower V-shaped ring 26 is extruded between the lower static ring seat 17 and the shaft sleeve piece 11, and the upper V-shaped ring 23 and the lower V-shaped ring 26 can also avoid axial radial movement while ensuring tightness.
The cooling component group 03 includes a water inlet port 31, an inner chamber 32 is provided on one side of the water inlet port 31, and a water outlet port 33 is provided on one side of the water inlet port 31.
The inner chamber 32 is a cavity inside the cavity shell 18, the water inlet port 31 is connected to the cavity shell 18, a threaded opening is formed in the top of the water inlet port 31, the water inlet port 31 can be in threaded connection with the liquid inlet pipe through threads, and liquid leakage can be avoided through the threaded connection mode.
The drain port 33 is connected to the cavity housing 18, a threaded opening is formed in the top of the drain port 33, the water inlet port 31 is connected to the liquid inlet pipe through threads, the drain port 33 is connected to the liquid outlet pipe through threads, when liquid enters the inner cavity 32 through the water inlet port 31, the liquid contacts the stationary ring 13 and the moving ring 14, heat of the stationary ring 13 and the moving ring 14 can be absorbed, the absorbed liquid is discharged to the outside through the drain port 33, and cooling of the stationary ring 13 and the moving ring 14 is completed.
Working principle: the existing double-end mechanical sealing device is used for sealing mechanically only through the contact of a stationary ring and a movable ring, the sealing structure is insufficient in sealing performance, internal medium leakage is easy to occur, in a sealing component group 02 which is designed correspondingly, an upper V-shaped ring 23 and a lower V-shaped ring 26 are respectively arranged at two end positions of a double-end mechanical sealing main body 01, the upper V-shaped ring 23 is extruded between an upper stationary ring seat 12 and a shaft sleeve 11 through an upper bolt piece 22 and an upper supporting ring 21, the lower V-shaped ring 26 is extruded between a lower stationary ring seat 17 and the shaft sleeve 11 through a lower supporting ring 24 and a lower bolt piece 25, the upper V-shaped ring 23 and the lower V-shaped ring 26 can form stationary sealing at two ends of the double-end mechanical sealing main body 01, the shaft is prevented from moving in an unnecessary direction, the shaft and the mechanical sealing device are accurately aligned, the radial movement of the shaft is prevented, the mechanical sealing operation is stable, the sealing performance is greatly improved, and the service life is prolonged. The stationary ring and the movable ring can generate heat accumulation after long-time contact friction, the accumulated heat can influence the use of a sealing structure, the sealing performance is reduced, in a cooling component group 03 of a corresponding design, through the threaded connection of a liquid inlet pipe on a water inlet port 31, the threaded connection of a liquid outlet pipe on a water outlet port 33, cooling liquid is injected into an inner cavity 32 through the liquid inlet pipe, then the liquid outlet pipe which is in threaded connection with the water outlet port 33 discharges the cooling liquid, when the cooling liquid passes through the inner cavity 32, the cooling liquid can be in contact with an inner stationary ring 13 and a movable ring 14, the heat generated by friction of the stationary ring 13 and the movable ring 14 can be transmitted to the cooling liquid, the heat is taken away through the cooling liquid, the cooling operation on the stationary ring 13 and the movable ring 14 is completed, and the design of the cooling component group 03 can ensure that the mechanical sealing structure is still maintained at a proper temperature under long-time use, and the problem of reducing sealing performance caused by overheating is avoided.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a bi-polar face mechanical seal device for cauldron, includes bi-polar face mechanical seal main part (01), bi-polar face mechanical seal main part (01) include axle external member (11), axle sleeve spare (11) have spring seat (15) through bolted connection, one side of spring seat (15) is provided with moving ring (14) and quiet ring (13), moving ring (14) and quiet ring (13) are provided with two sets of, two sets of moving ring (14) and quiet ring (13) contact each other, spring seat (15) are inside to be worn spring piece (16), spring piece (16) are connected between two sets of moving ring (14), two sets of one side of quiet ring (13) is connected with quiet ring seat (12) and quiet ring seat (17) down respectively, be connected with chamber casing (18) between quiet ring seat (17) and the last quiet ring seat (12), its characterized in that:
the sealing device comprises a double-end-face mechanical sealing main body (01), wherein a sealing component group (02) is arranged outside the double-end-face mechanical sealing main body (01), the sealing component group (02) is used for enhancing the sealing performance of the double-end-face mechanical sealing main body (01), the sealing component group (02) comprises an upper supporting ring (21), an upper bolt piece (22) is arranged inside the upper supporting ring (21), an upper V-shaped ring (23) is arranged on one side of the upper supporting ring (21), a lower supporting ring (24) is arranged on one side of a lower stationary ring seat (17), a lower bolt piece (25) is arranged inside the lower supporting ring (24), and a lower V-shaped ring (26) is arranged on one side of the lower bolt piece (25);
one side of the double-end-face mechanical seal main body (01) is provided with a cooling component group (03), and the cooling component group (03) is used for cooling the static ring piece (13) and the moving ring piece (14).
2. The double-ended mechanical seal device for kettles of claim 1, wherein: the upper bolt pieces (22) are provided with six groups, the six groups of upper bolt pieces (22) are uniformly distributed on the upper supporting ring (21), threaded holes are formed in positions of the upper supporting ring (21) corresponding to the six groups of upper bolt pieces (22), and the upper supporting ring (21) is connected with the two groups of upper bolt pieces (22) through threads.
3. The double-ended mechanical seal device for kettles of claim 1, wherein: the upper static ring seat (12) is provided with threaded holes at positions corresponding to six groups of upper bolt pieces (22), the upper static ring seat (12) and the six groups of upper bolt pieces (22) are connected through threads, the upper static ring seat (12) and the upper supporting ring (21) are connected through the upper bolt pieces (22), one side of the upper supporting ring (21) contacts with an upper V-shaped ring (23), and the upper V-shaped ring (23) is extruded between the upper static ring seat (12) and the shaft sleeve piece (11).
4. The double-ended mechanical seal device for kettles of claim 1, wherein: the lower bolt pieces (25) are arranged in six groups, the six groups of lower bolt pieces (25) are uniformly distributed on the lower supporting ring (24), threaded holes are formed in the positions of the lower supporting ring (24) corresponding to the six groups of lower bolt pieces (25), the lower supporting ring (24) and the six groups of lower bolt pieces (25) are connected through threads, threaded holes are formed in the positions of the lower static ring seat (17) corresponding to the six groups of lower bolt pieces (25), the lower static ring seat (17) is connected with the six groups of lower bolt pieces (25) through threads, the lower static ring seat (17) is connected with the lower supporting ring (24) through the six groups of lower bolt pieces (25), one side of the lower supporting ring (24) is in contact with the lower V-shaped ring (26), and the lower V-shaped ring (26) is extruded between the lower static ring seat (17) and the shaft sleeve piece (11).
5. The double-ended mechanical seal device for kettles of claim 1, wherein: the cooling component group (03) comprises a water inlet port (31), an inner cavity (32) is arranged on one side of the water inlet port (31), and a water outlet port (33) is arranged on one side of the water inlet port (31).
6. The double-ended mechanical seal device for kettles of claim 5, wherein: the inner chamber (32) is a cavity in the cavity shell (18), the water inlet port (31) is connected to the cavity shell (18), and a threaded opening is formed in the top of the water inlet port (31).
7. The double-ended mechanical seal device for kettles of claim 5, wherein: the water draining port (33) is connected to the cavity shell (18), a threaded opening is formed in the top of the water draining port (33), the water inlet port (31) is connected with the liquid inlet pipe through threads, and the water draining port (33) is connected with the liquid outlet pipe through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322208460.0U CN220566576U (en) | 2023-08-15 | 2023-08-15 | Double-end-face mechanical sealing device for kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322208460.0U CN220566576U (en) | 2023-08-15 | 2023-08-15 | Double-end-face mechanical sealing device for kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220566576U true CN220566576U (en) | 2024-03-08 |
Family
ID=90101162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322208460.0U Active CN220566576U (en) | 2023-08-15 | 2023-08-15 | Double-end-face mechanical sealing device for kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220566576U (en) |
-
2023
- 2023-08-15 CN CN202322208460.0U patent/CN220566576U/en active Active
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