CN213628872U - Sealing device for resin horizontal reactor - Google Patents
Sealing device for resin horizontal reactor Download PDFInfo
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- CN213628872U CN213628872U CN202022263600.0U CN202022263600U CN213628872U CN 213628872 U CN213628872 U CN 213628872U CN 202022263600 U CN202022263600 U CN 202022263600U CN 213628872 U CN213628872 U CN 213628872U
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- ring
- shaft sleeve
- seat
- cooling liquid
- bearing
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Abstract
The utility model relates to a sealing device for a resin horizontal reactor, which comprises a fixed part consisting of a flexible connector, a static ring seat and a bearing seat, and a rotating part consisting of a shaft sleeve; one end of the flexible connector is fixed with the reactor shell through a shell mounting flange, the other end of the flexible connector is fixed with the static ring seat through a static ring seat mounting flange, and the static ring seat is fixed with the bearing seat; a stationary ring is arranged on the inner side of the stationary ring seat; a movable ring groove is arranged on the outer side of the shaft sleeve close to the medium end, and a movable ring is embedded in the movable ring groove; the static ring is attached to the end face of the dynamic ring to form mechanical friction seal; and a bearing is arranged between the bearing seat and the shaft sleeve. The utility model discloses a set up a face seal and a plurality of radial seal, the effectual sealed problem of axial region of having solved the horizontal reactor of resin class, long service life, safe and reliable fully avoids the leakage of medium in the reactor.
Description
Technical Field
The utility model relates to a sealing device for a resin horizontal reactor, which belongs to mechanical rotary seal and is used for sealing resin or rubber.
Background
In the production process of resins in fine chemical engineering, a polymerization reactor is often adopted, the polymerization reactor is heated by heat-conducting oil, and the temperature and the viscosity are high in the polymerization process; aiming at the working condition, the traditional horizontal reactor is sealed by using the packing, but the packing has the defects of quick wear of the packing, short service cycle and the like, and toxic and harmful gases are easy to leak after the packing is worn for a period of time, thereby causing environmental harm.
Therefore, it is necessary to redesign a sealing device for a resin horizontal reactor to achieve complete sealing of the sealing medium.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sealing device for resin horizontal reactor, overall structure are a end face seal and a plurality of radial seal are constituteed, through letting in circulation liquid in end face seal and radial seal's centre, realize the complete sealing to sealing medium, and long service life, safe and reliable fully avoids poisonous and harmful gas to leak the risk.
In order to achieve the purpose of the utility model, the sealing device for the resin horizontal reactor is provided, which is characterized by comprising a fixed part consisting of a flexible connector, a static ring seat and a bearing seat and a rotating part consisting of a shaft sleeve;
one end of the flexible connector is fixed with the reactor shell through a shell mounting flange, the other end of the flexible connector is fixed with the static ring seat through a static ring seat mounting flange, and the static ring seat is fixed with the bearing seat;
a stationary ring is arranged on the inner side of the stationary ring seat;
a movable ring groove is arranged on the outer side of the shaft sleeve close to the medium end, and a movable ring is embedded in the movable ring groove;
the static ring is attached to the end face of the dynamic ring to form plane friction seal;
and a bearing is arranged between the bearing seat and the shaft sleeve.
As a further improvement of the utility model, the flexible connector is equipped with flexible control tube, flexible control tube with casing mounting flange reaches stationary ring seat mounting flange flexonics.
As a further improvement of the present invention, the stationary ring and the stationary ring seat are provided with a plurality of springs therebetween.
As a further improvement of the present invention, the stationary outer wall and the stationary seat are provided with a stationary seal ring therebetween.
As a further improvement of the utility model, the movable ring outer wall with be equipped with the movable ring sealing washer between the movable ring groove of axle sleeve.
As a further improvement of the utility model, the rotating ring is connected with the rotating ring groove of the shaft sleeve through a plurality of anti-rotation pins.
As a further improvement of the utility model, the static ring seat is provided with a circulating cooling liquid inlet and a circulating cooling liquid outlet;
the inner cavities of the static ring and the dynamic ring form a circulating cooling liquid cavity;
and the circulating cooling liquid inlet and the circulating cooling liquid outlet are communicated with the circulating cooling liquid cavity.
Furthermore, a static ring seat sealing ring is arranged between the inner cavity of the static ring seat close to the atmosphere end and the outer wall of the shaft sleeve.
Furthermore, a cooling liquid annular groove is formed in the inner wall, in contact with the rotating shaft, of the shaft sleeve, and a liquid inlet and a liquid outlet are formed in a shaft sleeve body of the shaft sleeve;
the liquid inlet and the liquid outlet are communicated with the circulating cooling liquid cavity and the cooling liquid annular groove.
Furthermore, the inner wall of the shaft sleeve, which is in contact with the rotating shaft, is embedded with cooling liquid annular groove sealing rings, and the cooling liquid annular groove sealing rings are positioned on two sides of the cooling liquid annular groove.
As a further improvement, the first skeleton oil blanket is installed to the inner chamber of bearing frame, the inner circle cover of first skeleton oil blanket is in on the axle sleeve body outer wall of axle sleeve.
As a further improvement of the utility model, the bearing seat is covered with a bearing gland.
Furthermore, a second framework oil seal is installed in the inner cavity of the bearing gland, and an inner ring sleeve of the second framework oil seal is arranged on the outer wall of the shaft sleeve body of the shaft sleeve.
Still further, be equipped with the butter filling glib talker on the bearing gland.
When the sealing device for the resin horizontal reactor is used, the flexible connector is fixed on the reactor shell, and the shaft sleeve is arranged on the rotating shaft; the outer side of the shaft sleeve is also fixed with a static ring seat and a bearing seat through a bearing and the flexible connector; a static ring is embedded in the static ring seat, a dynamic ring is arranged on the outer side of the shaft sleeve, and the static ring and the dynamic ring form plane friction seal to prevent medium leakage; further, still be equipped with quiet ring seat sealing washer, first skeleton oil blanket, second skeleton oil blanket on the outer wall of axle sleeve, multichannel shaft seal further prevents the medium leakage, also prevents that external impurity from invading. Meanwhile, a circulating cooling liquid chamber is arranged to lubricate and cool the plane friction sealing part; through setting up coolant liquid ring channel, the axle sleeve further cools off, prevents that the bearing is overheated, influences safe in utilization.
The utility model relates to a sealing device for resin horizontal reactor, the effectual sealed problem of axial region of having solved resin horizontal reactor, long service life, safe and reliable fully avoids the leakage of reactor inner medium.
Drawings
FIG. 1 is a schematic view of the overall structure of a sealing device for a resin horizontal reactor according to the present invention;
FIG. 2 is a schematic view of the medium end sealing mechanism of the present invention;
reference numerals: the flexible connector comprises a flexible connector 1, a shell mounting flange 11, a flexible adjusting pipe 12 and a static ring seat mounting flange 13;
a stationary ring seat screw 14 and a stationary ring seat sealing gasket 15;
the shaft sleeve 2 and the shaft sleeve body 21; a cooling liquid annular groove 22, a liquid inlet 23, a liquid outlet 24 and a cooling liquid annular groove sealing ring 25;
a shaft sleeve set screw 26, a movable ring groove 27;
the rotating ring 3, the anti-rotation pin 31 and the rotating ring sealing ring 32; the static ring 4, the spring 41 and the static ring sealing ring 42;
a static ring seat 5, a circulating cooling liquid inlet 51, a circulating cooling liquid outlet 52 and a static ring seat sealing ring 53;
a bearing seat 6, a first framework oil seal 61; bearing 7, shaft retainer 71;
bearing gland 8, bearing gland screw 81, second skeleton oil blanket 82.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in FIG. 1, the sealing device for a resin horizontal reactor of the present invention mainly realizes the sealing between the rotating shaft and the shell of the reactor, and is a fixed component fixed with the shell and a rotating component fixed with the rotating shaft.
The utility model relates to a sealing device for a resin horizontal reactor, which comprises a flexible connector 1, wherein the flexible connector 1 comprises a shell mounting flange 11, a flexible adjusting pipe 12 and a static ring seat mounting flange 13; the shell mounting flange 11 is fixed on a shell of the reactor; the flexible adjusting pipe 12 is located between the shell mounting flange 11 and the static ring seat mounting flange 13, the flexible adjusting pipe 12 is a corrugated adjusting pipe, and the length and the relative angle between the shell mounting flange 11 and the static ring seat mounting flange 13 can be adjusted in a self-adaptive mode according to needs.
The flexible connector 1 the stationary ring seat mounting flange 13 is fixed with a stationary ring seat 5 through a stationary ring seat screw 14, and a stationary ring seat sealing gasket 15 is arranged between the stationary ring seat mounting flange and the stationary ring seat for static sealing.
A shaft sleeve 2 is arranged on the rotating shaft, and the shaft sleeve 2 comprises a cylindrical shaft sleeve body 21; one end of the shaft sleeve body 21 is fixed on the rotating shaft through a shaft sleeve set screw 26; a moving ring groove 27 is arranged on the outer circular ring surface of the shaft sleeve 2 close to the medium end, a moving ring 3 is arranged in the moving ring groove 27, and the moving ring 3 and the shaft sleeve 2 synchronously rotate through a plurality of anti-rotation pins 31; a dynamic ring sealing ring 32 is arranged between the outer wall of the dynamic ring 3 and the dynamic ring groove 27, and static sealing between the medium chamber and the inner cavity of the dynamic ring 3 is realized through the dynamic ring sealing ring 32.
A static ring 4 is arranged on the end face of the dynamic ring 3, and the static ring 4 is arranged in the static ring seat 5; and a static ring sealing ring 42 is arranged between the static ring 4 and the static ring seat 5, so that static sealing between the medium cavity and the inner cavity of the static ring 4 is realized. The end faces of the movable ring 3 and the static ring 4 are attached to realize plane friction sealing, namely, the sealing between the medium cavity and the inner cavity of the sealing element is realized. Furthermore, a plurality of springs 41 are directly arranged at the bottom of the static ring 4 and the static ring seat 5, and the friction sealing surface of the static ring 4 is pressed on the friction sealing surface of the movable ring 3 through the springs 41, so that certain pressure is ensured, and reliable sealing is realized.
Further, a circulating cooling liquid cavity is arranged between the inner cavity of the static ring 4 and the outer wall of the shaft sleeve 2; a circulating cooling liquid inlet 51 and a circulating cooling liquid outlet 52 are respectively formed in the wall surface of the static ring seat 5, and the circulating cooling liquid inlet 51 and the circulating cooling liquid outlet 52 are communicated with the circulating cooling liquid cavity; the circulating cooling liquid is degradable solution, plays roles of lubrication and heat dissipation, and can lubricate the friction sealing surface of the moving ring 3 and the static ring 4 to prevent dry friction; the pressure of the circulating cooling liquid is slightly larger than the pressure of the medium in the reactor, and the circulating cooling liquid chamber is also communicated with the dynamic ring sealing ring 32 and the static ring sealing ring 42, so that the medium cannot pass through the dynamic ring sealing ring 32 and the static ring sealing ring 42 and leak into the circulating cooling liquid chamber through positive pressure.
In order to prevent the circulating cooling liquid from leaking to the atmosphere end, a static ring seat sealing ring 53 is arranged between the inner cavity of the atmosphere end of the static ring seat 5 and the outer wall of the shaft sleeve 2, and the static ring seat sealing ring 53 is a composite high-molecular wear-resistant sealing ring and can play a role in axial dynamic sealing.
Further, in order to reliably fix the stationary ring seat 5 at the coaxial position of the rotating shaft, a bearing 7 is arranged on the outer wall of the shaft sleeve body 21, an inner steel ring of the bearing 7 is fixed on the outer wall of the shaft sleeve body 21, an outer steel ring of the bearing 7 is fixed in a bearing seat 6, the bearing seat 6 is fixed with the stationary ring seat 5, and as shown in the figure, the stationary ring seat can be fixed by using the stationary ring seat screw 14; the bearing 7 can ensure the coaxiality when the sleeve 2 and the rotating ring 3 rotate relative to the stationary ring seat 5 and the stationary ring 4.
The inner cavity of the bearing seat 6 close to the medium end is provided with a first framework oil seal 61, the inner side of the first framework oil seal 61 is tightly sleeved on the outer wall of the shaft sleeve 2, and a sealing part is further isolated from the bearing installation cavity to prevent medium leakage.
The bearing 7 is limited by a shaft collar 71; the bearing cover 8 is arranged on the atmospheric end cover of the bearing seat 6 and is fixed on the bearing seat 6 through a bearing cover screw 81; the inner cavity of the bearing gland 8 is provided with a second framework oil seal 82, the inner side of the second framework oil seal 82 is tightly sleeved on the outer wall of the shaft sleeve 2 to seal the bearing installation cavity, so that outside air and impurities are prevented from entering.
Further, be equipped with butter filling glib talker on bearing gland 8, through butter filling glib talker can lubricate bearing 7 filling butter.
Furthermore, the bearing 7 can generate large heat in the rotating process, the heat can be conducted to the shaft sleeve 2, and the shaft sleeve 2 is heated to an excessively high temperature to generate material thermal expansion deformation, so that the connection with the rotating shaft and the sealing failure are caused, and the shaft sleeve 2 needs to be cooled in real time. The cooling liquid annular groove 22 is formed in the inner wall, in contact with the rotating shaft, of the shaft sleeve body 2, the liquid inlet 23 and the liquid outlet 24 are formed in the shaft sleeve body 21, the cooling liquid annular groove 22 is communicated with the circulating cooling liquid cavity through the liquid inlet 23 and the liquid outlet 24, circulating cooling liquid can further enter the cooling liquid annular groove 22, the contact area between the circulating cooling liquid and the shaft sleeve 2 is increased, the shaft sleeve 2 is cooled, and the situation that the temperature of a bearing 7 at the atmosphere end of the shaft sleeve 2 is too high to affect the operation safety of equipment is avoided. And cooling liquid annular groove sealing rings 25 are arranged on two sides of the cooling liquid annular groove 22 for static sealing, so that the circulating cooling liquid is prevented from being connected with a medium and the atmosphere respectively.
When the sealing device for the resin horizontal reactor is used, the flexible connector 1 is fixed on the reactor shell, and the shaft sleeve 2 is arranged on the rotating shaft; the outer side of the shaft sleeve 2 is also fixed with a static ring seat 5 and a bearing seat 6 through a bearing 7 and the flexible connector 1; a static ring 4 is embedded in the static ring seat 5, a dynamic ring 3 is arranged on the outer side of the shaft sleeve 2, and the static ring 4 and the dynamic ring 3 form plane friction seal to prevent medium leakage; further, still be equipped with stationary ring seat sealing washer 53, first skeleton oil blanket 61, second skeleton oil blanket 82 on the outer wall of axle sleeve 2, multichannel shaft seal further prevents the medium leakage, also prevents that external impurity from invading.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the embodiments disclosed, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention, and such equivalents and substitutions are intended to be included within the scope of the invention as defined by the appended claims.
Claims (10)
1. The sealing device for the resin horizontal reactor is characterized by comprising a fixed part and a rotating part, wherein the fixed part is composed of a flexible connector, a static ring seat and a bearing seat, and the rotating part is composed of a shaft sleeve;
one end of the flexible connector is fixed with the reactor shell through a shell mounting flange, the other end of the flexible connector is fixed with the static ring seat through a static ring seat mounting flange, and the static ring seat is fixed with the bearing seat;
a stationary ring is arranged on the inner side of the stationary ring seat;
a movable ring groove is arranged on the outer side of the shaft sleeve close to the medium end, and a movable ring is embedded in the movable ring groove;
the static ring is attached to the end face of the dynamic ring to form plane friction seal;
and a bearing is arranged between the bearing seat and the shaft sleeve.
2. The sealing device of claim 1, wherein the flexible connector is provided with a flexible adjusting pipe, and the flexible adjusting pipe is flexibly connected with the housing mounting flange and the static ring seat mounting flange.
3. The seal assembly of claim 1, wherein a plurality of springs are disposed between said stationary ring and said stationary ring seat.
4. The sealing device for a resin horizontal reactor as claimed in claim 1, wherein a stationary ring seal ring is provided between the stationary ring outer wall and the stationary ring seat;
a movable ring sealing ring is arranged between the outer wall of the movable ring and the movable ring groove of the shaft sleeve;
the rotating ring is connected with the rotating ring groove of the shaft sleeve through a plurality of anti-rotating pins.
5. The sealing device for a resin horizontal reactor as claimed in claim 1, wherein the stationary ring base is provided with a circulating coolant inlet and a circulating coolant outlet;
the inner cavities of the static ring and the dynamic ring form a circulating cooling liquid cavity;
and the circulating cooling liquid inlet and the circulating cooling liquid outlet are communicated with the circulating cooling liquid cavity.
6. The sealing device for a resin horizontal reactor as claimed in claim 1, wherein a sealing ring of the stationary ring seat is disposed between the inner cavity of the stationary ring seat near the atmosphere end and the outer wall of the shaft sleeve.
7. The sealing device for the resin horizontal reactor as claimed in claim 5, wherein the inner wall of the shaft sleeve contacting the rotating shaft is provided with an annular groove for cooling liquid, and the shaft sleeve body of the shaft sleeve is provided with a liquid inlet and a liquid outlet;
the liquid inlet and the liquid outlet are communicated with the circulating cooling liquid cavity and the cooling liquid annular groove.
8. The sealing device for a resin horizontal reactor as claimed in claim 7, wherein the inner wall of the sleeve contacting the rotating shaft is fitted with annular groove sealing rings for cooling liquid, and the annular groove sealing rings for cooling liquid are disposed on both sides of the annular groove for cooling liquid.
9. The sealing device for the resin horizontal reactor as claimed in claim 1, wherein the inner cavity of the bearing seat is provided with a first framework oil seal, and an inner ring of the first framework oil seal is sleeved on the outer wall of the shaft sleeve body of the shaft sleeve.
10. The seal assembly according to claim 1, wherein the bearing housing is covered with a bearing cover;
and a second framework oil seal is installed in the inner cavity of the bearing gland, and the inner ring of the second framework oil seal is sleeved on the outer wall of the shaft sleeve body of the shaft sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022263600.0U CN213628872U (en) | 2020-10-12 | 2020-10-12 | Sealing device for resin horizontal reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022263600.0U CN213628872U (en) | 2020-10-12 | 2020-10-12 | Sealing device for resin horizontal reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213628872U true CN213628872U (en) | 2021-07-06 |
Family
ID=76659505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022263600.0U Active CN213628872U (en) | 2020-10-12 | 2020-10-12 | Sealing device for resin horizontal reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213628872U (en) |
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2020
- 2020-10-12 CN CN202022263600.0U patent/CN213628872U/en active Active
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