CN214261448U - Sealing device for mechanical seal online disassembly for side-feeding stirrer - Google Patents
Sealing device for mechanical seal online disassembly for side-feeding stirrer Download PDFInfo
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- CN214261448U CN214261448U CN202023212672.9U CN202023212672U CN214261448U CN 214261448 U CN214261448 U CN 214261448U CN 202023212672 U CN202023212672 U CN 202023212672U CN 214261448 U CN214261448 U CN 214261448U
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- mechanical seal
- air
- air bag
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- sealing device
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Abstract
The utility model discloses a mechanical seal dismantles online and uses sealing device for side entry agitator, including installation bedplate (1) that is used for installation location (mixing) shaft (2), install mechanical seal (3) and (mixing) shaft (2) and pass installation bedplate (1) and mechanical seal (3) backward at the back of installation bedplate (1), its characterized in that: the annular cavity (4) formed by the installation seat plate (1) and the stirring shaft (2) is filled with the air bag assembly (5), the air bag assembly (5) is positioned by the air bag compression ring (6) embedded into the annular cavity (4), and the air bag assembly (5) is communicated with an external air source through an air passage (7) arranged in the installation seat plate (1). The utility model provides a sealing device installs back on the formula agitator is advanced to the side, need not stir the mixed material evacuation can online quick replacement mechanical seal, installs simple, convenient operation, low price moreover, saves the time of changing and maintaining mechanical seal greatly, repeatedly usable moreover.
Description
Technical Field
The utility model belongs to the technical field of the stirring technique and specifically relates to a sealing device is used in online dismantlement of mechanical seal for side formula agitator.
Background
The side-entry agitator shown in fig. 1 is widely used for desulfurization, denitration, and agitation of various large tanks, crude oil tanks, and pulp tanks. Because the mechanical seal is a quick-wear part, the mechanical seal needs to be periodically maintained, disassembled and replaced, and if the mechanical seal is damaged in the operation process of the equipment and a large amount of liquid materials exist in the tank, the materials in the tank need to be emptied so as to replace the mechanical seal.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a to the problem that prior art exists, provide one kind
The utility model aims at solving through the following technical scheme:
the utility model provides a mechanical seal dismantles on line and uses sealing device for side entry agitator, is including the installation bedplate that is used for installing the location (mixing) shaft, installs mechanical seal and (mixing) shaft backward at the back of installation bedplate and passes installation bedplate and mechanical seal, its characterized in that: the annular cavity that this installation bedplate and (mixing) shaft constitute is filled with the gasbag subassembly, and the gasbag subassembly adopts the gasbag clamping ring location of embedding annular cavity and the gasbag subassembly communicates with external air supply through the gas circuit that sets up in the installation bedplate.
The air bag compression ring is fixed in the mounting seat plate through a countersunk bolt.
And a sealing ring in friction connection with the outer wall of the stirring shaft is embedded in the inner wall of the inner cavity of the air bag compression ring.
The sealing rings are arranged in pairs.
An air inlet and outlet pipeline is arranged at an air path inlet arranged in the mounting seat plate, and a valve is arranged on the air inlet and outlet pipeline.
The air inlet and outlet pipeline is connected with an air inlet and outlet controller arranged on the back of the mounting base plate.
The air inlet and outlet pipeline is provided with a pressure gauge, and the pressure gauge is positioned on the air inlet and outlet pipeline between the valve and the air path inlet.
Compared with the prior art, the utility model has the following advantages:
the utility model provides a sealing device installs back on the formula agitator is advanced to the side, need not stir the mixed material evacuation can online quick replacement mechanical seal, installs simple, convenient operation, low price moreover, saves the time of changing and maintaining mechanical seal greatly, repeatedly usable moreover.
Drawings
FIG. 1 is a schematic view of a side entry agitator in use;
FIG. 2 is a schematic structural view of the sealing device of the present invention used in a side-entry agitator;
FIG. 3 is a partial cross-sectional structural view of the sealing device of the present invention;
fig. 4 is a schematic structural view of a part of the air intake and exhaust device of the present invention.
Wherein: 1, mounting a seat plate; 2-stirring shaft; 3, mechanical sealing; 4-ring cavity; 5-an airbag module; 6, pressing a ring by using an air bag; 7, a gas path; 8-countersunk head bolt; 9-a sealing ring; 10-air inlet and outlet pipes; 11-a valve; 12-air intake and exhaust controller; and 13, a pressure gauge.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 2-4: a sealing device for online disassembly of mechanical seal of a side-entry stirrer comprises an installation seat plate 1 for installing and positioning a stirring shaft 2, wherein the mechanical seal 3 is installed at the back of the installation seat plate 1, the stirring shaft 2 penetrates through the installation seat plate 1 and the mechanical seal 3 backwards, an annular cavity 4 formed by the installation seat plate 1 and the stirring shaft 2 is filled with an air bag assembly 5, the air bag assembly 5 is positioned by adopting an air bag compression ring 6 embedded into the annular cavity 4, the air bag compression ring 6 is fixed in the installation seat plate 1 through a countersunk head bolt 8, a sealing ring 9 in frictional connection with the outer wall of the stirring shaft 2 is embedded on the inner wall of an inner cavity of the air bag compression ring 6 for sealing, and the air bag assembly 5 is communicated with an external air source through an air passage 7 arranged in the installation seat plate 1; specifically, an air inlet and outlet pipeline 10 is arranged at the inlet of the air path 7, a valve 11 is arranged on the air inlet and outlet pipeline 10, a pressure gauge 13 is arranged on the air inlet and outlet pipeline 10, the pressure gauge 13 is positioned on the air inlet and outlet pipeline 10 between the valve 11 and the inlet of the air path 7, the air inlet and outlet pipeline 10 is connected with an air inlet and outlet controller 12 arranged on the back surface of the installation seat plate 1, and the air inlet and outlet controller 12 is used for controlling air inlet and outlet processes.
As shown in fig. 3, the seal rings 9 are generally arranged in pairs to improve sealing performance.
As shown in fig. 2-4: the sealing device provided by the utility model can be understood as only comprising the air-tight device or comprising the air-tight device and mechanical seal, wherein the air-tight device comprises an air-entrapping mechanism (an air source, a pipeline, a valve 11, a pressure gauge 13, a clamping sleeve joint and the like), an air bag assembly 5, an air bag compression ring 6 and the like; the purpose of setting up above-mentioned air-tight device is used when mechanical seal 3 leaks or changes mechanical seal 3, because of mechanical seal 3 is the vulnerable part, needs periodic maintenance dismantlement change, if equipment is in operation in-process mechanical seal 3 damage and a large amount of liquid materials again have in the jar, can utilize above-mentioned air-tight device to solve not evacuation jar interior material and quick replacement mechanical seal 3 at this moment.
The utility model provides a sealing device's technical principle lies in: gas is introduced into the airbag assembly 5 through the pipeline and the valve 11 through the gas filling device, the airbag assembly 5 is expanded by the gas and tightly holds the stirring shaft 2, at the moment, the airbag assembly 5 and the stirring shaft 2 are tightly matched to enable liquid to flow out, then after the gas filling valve 11 is closed, the gas is maintained in the airbag assembly 5, and whether the added gas leaks or not can be judged through the pressure gauge 13. At this time, the mechanical seal 3 can be directly replaced with a new one, and after the mechanical seal 3 is replaced, the gas in the airbag module 5 is discharged through the discharge valve.
The utility model provides a sealing device installs back on the formula agitator is advanced to the side, need not stir the mixed material evacuation can online quick replacement mechanical seal 3, installs simple, convenient operation, low price moreover, saves the time of changing and maintaining mechanical seal 3 greatly, repeatedly usable moreover.
The above embodiments are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical scheme according to the technical idea provided by the present invention all fall within the protection scope of the present invention; the technology not related to the utility model can be realized by the prior art.
Claims (7)
1. The utility model provides a mechanical seal dismantles on line and uses sealing device for side entry agitator, includes installation bedplate (1) that is used for installation location (mixing) shaft (2), installs mechanical seal (3) and (mixing) shaft (2) backward at the back of installation bedplate (1) and passes installation bedplate (1) and mechanical seal (3), its characterized in that: the annular cavity (4) formed by the installation seat plate (1) and the stirring shaft (2) is filled with the air bag assembly (5), the air bag assembly (5) is positioned by the air bag compression ring (6) embedded into the annular cavity (4), and the air bag assembly (5) is communicated with an external air source through an air passage (7) arranged in the installation seat plate (1).
2. The seal for in-line disassembly of a mechanical seal for a side entry mixer of claim 1, wherein: the air bag compression ring (6) is fixed in the installation seat plate (1) through a countersunk head bolt (8).
3. The sealing device for in-line disassembly of a mechanical seal for a side-entry agitator of claim 1 or 2, wherein: and a sealing ring (9) which is in frictional connection with the outer wall of the stirring shaft (2) is embedded on the inner wall of the inner cavity of the air bag compression ring (6).
4. The seal for in-line disassembly of a mechanical seal for a side entry mixer of claim 3, wherein: the sealing rings (9) are arranged in pairs.
5. The seal for in-line disassembly of a mechanical seal for a side entry mixer of claim 1, wherein: an inlet of an air passage (7) arranged in the mounting seat plate (1) is provided with an air inlet and outlet pipeline (10), and the air inlet and outlet pipeline (10) is provided with a valve (11).
6. The seal for in-line take-down of a mechanical seal for a side entry mixer of claim 5, wherein: the air inlet and outlet pipeline (10) is connected with an air inlet and outlet controller (12) arranged on the back surface of the mounting base plate (1).
7. The sealing device for in-line disassembly of a mechanical seal for a side-entry agitator of claim 5 or 6, wherein: and a pressure gauge (13) is arranged on the air inlet and exhaust pipeline (10), and the pressure gauge (13) is positioned on the air inlet and exhaust pipeline (10) between the valve (11) and the inlet of the air channel (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023212672.9U CN214261448U (en) | 2020-12-28 | 2020-12-28 | Sealing device for mechanical seal online disassembly for side-feeding stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023212672.9U CN214261448U (en) | 2020-12-28 | 2020-12-28 | Sealing device for mechanical seal online disassembly for side-feeding stirrer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214261448U true CN214261448U (en) | 2021-09-24 |
Family
ID=77784621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023212672.9U Active CN214261448U (en) | 2020-12-28 | 2020-12-28 | Sealing device for mechanical seal online disassembly for side-feeding stirrer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214261448U (en) |
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2020
- 2020-12-28 CN CN202023212672.9U patent/CN214261448U/en active Active
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