CN212106914U - Sealing device for stirring shaft of polymerization kettle - Google Patents
Sealing device for stirring shaft of polymerization kettle Download PDFInfo
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- CN212106914U CN212106914U CN202020584095.7U CN202020584095U CN212106914U CN 212106914 U CN212106914 U CN 212106914U CN 202020584095 U CN202020584095 U CN 202020584095U CN 212106914 U CN212106914 U CN 212106914U
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- sealing
- polymeric kettle
- stirring shaft
- filler
- kettle body
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Abstract
The utility model discloses a polymeric kettle (mixing) shaft sealing device relates to polymeric kettle, it is current polymeric kettle leak detection's technical problem to mainly solve, sealing device is including being used for the link of being connected polymeric kettle body and agitator motor, the one end of link is equipped with the first flange that is used for connecting the polymeric kettle body, be equipped with sealed the pad between first flange and the polymeric kettle body, first connecting flange is equipped with and passes sealed pad and insert the locating pin that connects in the polymeric kettle body, the link of first connecting flange one side is equipped with sealed chamber, the (mixing) shaft of polymeric kettle body passes sealed chamber and connects agitator motor's pivot, the one end that sealed chamber is close to first flange is equipped with first seal assembly, the other end is equipped with second seal assembly, be equipped with the pressure detector who is used for detecting sealed intracavity atmospheric pressure on the link. The utility model discloses a pressure detector detects the pressure in the sealed chamber to the realization detects the leakproofness of polymeric kettle (mixing) shaft.
Description
Technical Field
The utility model relates to a polymeric kettle, more specifically say, it relates to a polymeric kettle (mixing) shaft sealing device.
Background
The polymerization kettle can generate high temperature and high pressure in the polymerization kettle during the working process, and the stirring shaft needs to be sealed in order to prevent gas in the polymerization kettle from leaking. The existing sealing mode is shown in figure 1, a filler C is added between a polymerization kettle A and a stirring shaft B, and the sealing effect is achieved through the radial pressure between the filler C and the stirring shaft B. Because there is friction and filler C between filler C and the (mixing) shaft B and corrodes, after long-time work, can produce between filler C and the (mixing) shaft B and leak, if can not discover in time to leak, let the gas leakage in the polymeric kettle can cause environmental pollution, influence workman's health.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is not enough to the above-mentioned of prior art, the utility model aims at providing a polymeric kettle (mixing) shaft sealing device that can conveniently detect the leakage.
The technical scheme of the utility model is that: the utility model provides a polymerizer stirring shaft sealing device, is including being used for the link of being connected polymerizer body and agitator motor, the one end of link is equipped with and is used for connecting the first flange of polymerizer body, be equipped with sealed the pad between first flange and the polymerizer body, first flange is equipped with and passes sealed pad and plug in the locating pin of polymerizer body, the link of first flange one side is equipped with sealed chamber, the (mixing) shaft of polymerizer body passes sealed chamber and connects agitator motor's pivot, the one end that sealed chamber is close to first flange is equipped with first seal assembly, and the other end is equipped with second seal assembly, be equipped with on the link and be used for detecting the pressure detector of sealed intracavity atmospheric pressure.
As a further improvement, the first sealing assembly comprises a first filler and a spring which are sleeved on the periphery of the stirring shaft, two ends of the spring respectively support against the first filler and the polymeric kettle body, and a first mounting hole for mounting the first filler and the spring is arranged in the connecting frame.
Furthermore, the second sealing assembly comprises a second filler sleeved on the periphery of the stirring shaft and a pressing cover for pressing the second filler, and a second mounting hole for mounting the second filler and the pressing cover is formed in the connecting frame.
Further, the other end of the connecting frame is provided with a second connecting flange used for connecting the stirring motor.
Furthermore, a hollow structure is arranged on the connecting frame between the sealing cavity and the second connecting flange.
Furthermore, an exhaust joint communicated with the sealing cavity is arranged on the connecting frame, and a valve is arranged on the exhaust joint.
Advantageous effects
Compared with the prior art, the utility model, the advantage that has does: the utility model discloses a set up the seal chamber on the link, the (mixing) shaft passes the seal chamber and connects agitator motor, the both ends in seal chamber set up first seal assembly respectively, the second seal assembly, and set up the pressure detector who is used for detecting the atmospheric pressure in the seal chamber on the link, when first seal assembly takes place to leak, gas leakage in the polymeric kettle is to the seal chamber, detect the pressure in the seal chamber through pressure detector, thereby realize detecting the leakproofness of polymeric kettle (mixing) shaft, and in time remind the workman to overhaul or take corresponding measure, prevent that the gas of leaking from causing environmental pollution in the polymeric kettle, influence workman's health and build the health.
Drawings
FIG. 1 is a schematic diagram of a conventional structure;
fig. 2 is a schematic structural diagram of the present invention.
Wherein: 1-a polymerization kettle body, 2-a stirring motor, 3-a connecting frame, 4-a first connecting flange, 5-a sealing gasket, 6-a positioning pin, 7-a sealing cavity, 8-a stirring shaft, 9-a pressure detector, 10-a first filler, 11-a spring, 12-a second filler, 13-a pressing cover, 14-a second connecting flange, 15-a hollow structure, 16-an exhaust joint and 17-a valve.
Detailed Description
The invention will be further described with reference to specific embodiments shown in the drawings.
Referring to fig. 2, a sealing device for a stirring shaft of a polymerizer comprises a connecting frame 3 for connecting a polymerizer body 1 with a stirring motor 2. One end of the connecting frame 3 is provided with a first connecting flange 4 used for connecting the polymerization kettle body 1, a sealing gasket 5 is arranged between the first connecting flange 4 and the polymerization kettle body 1, the first connecting flange 4 is provided with a positioning pin 6 which penetrates through the sealing gasket 5 and is inserted into the polymerization kettle body 1, the first connecting flange 4 and the polymerization kettle body 1 are locked through bolts, and during locking, the first connecting flange 4 extrudes the sealing gasket 5 to realize sealing. The connecting frame 3 at one side of the first connecting flange 4 is provided with a sealing cavity 7, and the stirring shaft 8 of the polymerization kettle body 1 penetrates through the sealing cavity 7 and is connected with the rotating shaft of the stirring motor 2. One end of the sealing cavity 7 close to the first connecting flange 4 is provided with a first sealing component, and the other end is provided with a second sealing component. The connecting frame 3 is provided with a pressure detector 9 for detecting the air pressure in the sealed cavity 7, and the pressure detector 9 is a common pressure gauge. When the first sealing assembly leaks, gas in the polymerization kettle leaks into the sealed cavity 7, and the pressure in the sealed cavity 7 is detected through the pressure detector 9, so that the sealing performance of the stirring shaft of the polymerization kettle is detected, workers are reminded to overhaul or take corresponding measures in time, and the gas leaked in the polymerization kettle is prevented from causing environmental pollution and affecting the health of the workers.
In this embodiment, the first sealing assembly includes a first filler 10 and a spring 11 sleeved on the periphery of the stirring shaft 8, two ends of the spring 11 respectively push against the first filler 10 and the polymeric kettle body 1, and a first mounting hole for mounting the first filler 10 and the spring 11 is arranged in the connecting frame 3. When the first connecting flange 4 is locked, the first filler 10 is tightly pressed by the elastic force generated by the compression of the spring 11, so that the stirring shaft 8 is sealed. The second sealing assembly comprises a second filler 12 sleeved on the periphery of the stirring shaft 8 and a pressing cover 13 for pressing the second filler 12, a second mounting hole for mounting the second filler 12 and the pressing cover 13 is formed in the connecting frame 3, the pressing cover 13 is locked on the connecting frame 3 through a bolt, and the second filler 12 is extruded to seal the stirring shaft 8 when the pressing cover 13 is locked. Preferably, the first filler 10 and the second filler 12 are polytetrafluoroethylene fillers.
The other end of the connecting frame 3 is provided with a second connecting flange 14 for connecting the stirring motor 2. The hollow structure 15 is arranged on the connecting frame 3 between the sealing cavity 7 and the second connecting flange 14, and the rotating shafts of the stirring shaft 8 and the stirring motor 2 can be conveniently assembled.
The connecting frame 3 is provided with an exhaust joint 16 communicated with the sealed cavity 7, the exhaust joint 16 is provided with a valve 17, and when gas in the polymerization kettle leaks into the sealed cavity 7, the gas can be conveyed to a designated place through the exhaust joint 16 for treatment.
The above is only a preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility of the invention and the utility of the patent.
Claims (6)
1. A sealing device for a stirring shaft of a polymerization kettle is characterized by comprising a connecting frame (3) used for connecting a polymerization kettle body (1) with a stirring motor (2), wherein one end of the connecting frame (3) is provided with a first connecting flange (4) used for connecting the polymerization kettle body (1), a sealing gasket (5) is arranged between the first connecting flange (4) and the polymerization kettle body (1), the first connecting flange (4) is provided with a positioning pin (6) which penetrates through the sealing gasket (5) and is inserted and connected with the polymerization kettle body (1), the connecting frame (3) at one side of the first connecting flange (4) is provided with a sealing cavity (7), a stirring shaft (8) of the polymerization kettle body (1) penetrates through the sealing cavity (7) and is connected with a rotating shaft of the stirring motor (2), and one end, close to the first connecting flange (4), of the sealing cavity (7) is provided with a first sealing component, the other end is provided with a second sealing component, and the connecting frame (3) is provided with a pressure detector (9) for detecting the air pressure in the sealing cavity (7).
2. The sealing device for the stirring shaft of the polymeric kettle according to claim 1, wherein the first sealing component comprises a first filler (10) and a spring (11) which are sleeved on the periphery of the stirring shaft (8), two ends of the spring (11) respectively prop against the first filler (10) and the polymeric kettle body (1), and a first mounting hole for mounting the first filler (10) and the spring (11) is arranged in the connecting frame (3).
3. The sealing device for the stirring shaft of the polymeric kettle according to claim 1, wherein the second sealing component comprises a second filler (12) sleeved on the periphery of the stirring shaft (8) and a pressing cover (13) for pressing the second filler (12), and a second mounting hole for mounting the second filler (12) and the pressing cover (13) is arranged in the connecting frame (3).
4. A sealing device for stirring shafts of polymerization kettles according to claim 1, wherein the other end of said connecting frame (3) is provided with a second connecting flange (14) for connecting said stirring motor (2).
5. The sealing device for the stirring shaft of the polymeric kettle according to claim 4, wherein the connecting frame (3) between the sealing cavity (7) and the second connecting flange (14) is provided with a hollow structure (15).
6. A sealing device for a stirring shaft of a polymeric kettle according to any one of claims 1 to 5, characterized in that a gas exhaust joint (16) communicated with the sealing cavity (7) is arranged on the connecting frame (3), and a valve (17) is arranged on the gas exhaust joint (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020584095.7U CN212106914U (en) | 2020-04-17 | 2020-04-17 | Sealing device for stirring shaft of polymerization kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020584095.7U CN212106914U (en) | 2020-04-17 | 2020-04-17 | Sealing device for stirring shaft of polymerization kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212106914U true CN212106914U (en) | 2020-12-08 |
Family
ID=73641353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020584095.7U Active CN212106914U (en) | 2020-04-17 | 2020-04-17 | Sealing device for stirring shaft of polymerization kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212106914U (en) |
-
2020
- 2020-04-17 CN CN202020584095.7U patent/CN212106914U/en active Active
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