CN215258524U - Leakage blocking device for leakage of low-pressure flange joint surface - Google Patents
Leakage blocking device for leakage of low-pressure flange joint surface Download PDFInfo
- Publication number
- CN215258524U CN215258524U CN202121848329.5U CN202121848329U CN215258524U CN 215258524 U CN215258524 U CN 215258524U CN 202121848329 U CN202121848329 U CN 202121848329U CN 215258524 U CN215258524 U CN 215258524U
- Authority
- CN
- China
- Prior art keywords
- sealed
- module
- flange
- fixed frame
- roof pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a plugging device for leakage of low-pressure flange faying face, including fixed frame, sealed module and roof pressure module, sealed module installs at the fixed frame inboard, roof pressure module installs on fixed frame and roof pressure module offsets with sealed module, sealed module includes a plurality of curved sealed inside linings, a plurality of sealed inside linings end to end make up and form circular ring shape sealed module, fixed frame includes a plurality of curved outer shields, a plurality of outer shields end to end fixed connection form circular ring shape fixed frame; this a plugging device for low pressure flange faying face leaks makes the lateral part laminating of a plurality of sealed inside linings and flange through fixed frame, and a plurality of roof pressure bolts of rethread compress tightly sealed inside lining at the lateral part of flange, and closely sealed flange effectively prevents the flange and leaks, guarantees thermal power generating unit's normal operating and economic nature, prolongs the life of unit, guarantees the clean and tidy of production environment.
Description
Technical Field
The utility model relates to a sealing device of thermal power plant especially relates to a plugging device that is used for low pressure flange faying face to leak.
Background
In many mechanisms that use flanged connections, the flanged connections are not sealed tightly enough due to wear of the flanged joint surfaces or manufacturing. In a thermal power plant, a large number of pipelines such as low-pressure industrial water, compressed air and the like exist, the joint surface of a connecting flange at the pipeline often has a leakage problem, normal production is influenced, the economical efficiency and the service life of a thermal power generating unit are influenced, and the leaked substances can cause environmental problems of a production site.
SUMMERY OF THE UTILITY MODEL
The utility model provides a plugging device for low pressure flange faying face leaks.
In order to achieve the above purpose, the following scheme is provided: the utility model provides a plugging device for low pressure flange faying face leaks, includes fixed frame, sealing module and roof pressure module, sealing module installs at fixed frame inboardly, the roof pressure module is installed on fixed frame and the roof pressure module offsets with sealing module, sealing module includes a plurality of curved sealed inside linings, and is a plurality of sealed inside lining end to end combination form the annular sealing module of circle, fixed frame includes a plurality of curved outer casing, and is a plurality of outer casing end to end fixed connection form the annular fixed frame of circle, and the inboard at the outer casing is installed with sealed inside lining adaptation and sealed inside lining to the outer casing, the roof pressure module includes a plurality of roof pressure bolts, and is a plurality of roof pressure bolt equipartition is on the outer casing and the roof pressure bolt passes through threaded connection with the outer casing, and the tip and the sealed inside lining of the threaded end of roof pressure bolt offset.
Furthermore, both ends of outer casing all are equipped with fixed journal stirrup, and a plurality of the outer casing is through the fixed journal stirrup and locking bolt, the lock nut fixed connection at its head and the tail both ends.
Further, sealed inside lining's both ends all are equipped with sealed journal stirrup, sealed journal stirrup and fixed journal stirrup adaptation and sealed journal stirrup and fixed journal stirrup laminating.
Further, the sealing support lug and the sealing lining are integrally formed by fluororubber.
Further, the fixed lug and the outer guard plate are integrally formed by metal materials.
The utility model discloses a theory of operation and advantage lie in: this a plugging device for low pressure flange faying face leaks makes the lateral part laminating of a plurality of sealed inside linings and flange through fixed frame, and a plurality of roof pressure bolts of rethread compress tightly sealed inside lining at the lateral part of flange, and closely sealed flange effectively prevents the flange and leaks, guarantees thermal power generating unit's normal operating and economic nature, prolongs the life of unit, guarantees the clean and tidy of production environment.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Reference numerals in the drawings of the specification include:
1. the locking bolt, 2, the jacking bolt, 3, the sealing lining, 4, the outer guard plate, 5, the fixing lug, 6, the sealing lug and 7, the locking nut.
Detailed Description
The following is further detailed by the specific embodiments:
as shown in fig. 1:
a leakage stopping device for leakage of a low-pressure flange joint surface comprises a fixed outer frame, a sealing module and a jacking module, the sealing module is arranged on the inner side of the fixed outer frame, the jacking module is arranged on the fixed outer frame and is abutted against the sealing module, the sealing module comprises a plurality of arc-shaped sealing linings 3, the sealing linings 3 are combined end to form a circular sealing module, the fixed outer frame comprises a plurality of arc-shaped outer protecting plates 4, the plurality of the outer protecting plates 4 are fixedly connected end to form a circular fixed outer frame, the outer protecting plates 4 are matched with the sealing lining 3, the sealing lining 3 is arranged on the inner side of the outer protecting plates 4, the jacking module comprises a plurality of jacking bolts 2, the jacking bolts 2 are uniformly distributed on the outer protective plate 4, the jacking bolts 2 are in threaded connection with the outer protective plate 4, and the end parts of the threaded ends of the jacking bolts 2 are abutted to the sealing lining 3.
The fixed outer frame is used for installing the sealing module to the flange, the jacking module is used for tightly pressing the sealing module to the side part of the flange, and the sealing module is used for attaching to the side part of the flange and sealing the side part of the flange by the sealing module; the fixed outer frame consists of a plurality of arc-shaped outer guard plates 4, and the number of the outer guard plates 4 can be specifically set according to the size of the flange; the sealing module consists of a plurality of arc-shaped sealing linings 3, and the number of the sealing linings 3 is specifically set by the size of the flange; the inner side of each outer guard plate 4 is provided with a sealing lining 3, and each sealing lining 3 and each outer guard plate 4 can be connected end to form a circular ring shape to wrap the flange; the jacking bolts 2 are used for pressing the sealing lining 3 on the side part of the flange.
The both ends of outer casing 4 all are equipped with fixed journal stirrup 5, and are a plurality of outer casing 4 is through the fixed journal stirrup 5 and locking bolt 1, lock nut 7 fixed connection at its head and the tail both ends.
Wherein, fixed journal stirrup 5 is convenient for end to end fixed connection between each outer casing 4, through locking bolt 1 and lock nut 7 fixed connection, the dismouting of being convenient for between each fixed journal stirrup 5.
Sealed inside lining 3's both ends all are equipped with sealed journal stirrup 6, sealed journal stirrup 6 and the 5 adaptation of fixed journal stirrup and sealed journal stirrup 6 and the laminating of fixed journal stirrup 5.
The sealing lugs 6 at the two ends of each sealing lining 3 enable the connection between the sealing linings 3 to be combined more tightly, and the sealing lugs 6 are also fixed on the inner side of the outer guard plate 4 by the locking bolts 1 and the locking nuts 7.
The seal lug 6 and the seal liner 3 are integrally formed of fluororubber.
Wherein, the sealing performance and the life-span of fluororubber are better, and sealed journal stirrup 6 and sealed inside lining 3 integrated into one piece are convenient for manufacturing.
The fixed lug 5 and the outer guard plate 4 are integrally formed by metal materials.
Wherein, the two are integrally formed, thereby being convenient for production and manufacture.
The specific implementation process is as follows:
when the leakage stoppage device for the leakage of the low-pressure flange joint surface is used, the sealing linings 3 and the outer protection plate 4 are firstly sleeved on the side parts of the flanges, the sealing linings 3 and the outer protection plate 4 are locked on the side parts of the flanges by using the locking bolts 1 and the locking nuts 7, then the jacking bolts 2 arranged on the outer protection plate 4 are screwed, and the sealing linings 3 can be tightly pressed on the side parts of the flanges by the jacking bolts 2.
This a plugging device for low pressure flange faying face leaks makes the lateral part laminating by a plurality of sealed inside linings 3 and flange through fixed frame, and a plurality of roof pressure bolts 2 of rethread compress tightly sealed inside lining 3 at the lateral part of flange, and closely sealed flange effectively prevents the flange and leaks, guarantees the normal operating and the economic nature of thermal power unit, prolongs the life of unit, guarantees the clean and tidy of production environment.
The foregoing are merely exemplary embodiments of the present invention, and no attempt is made to show structural details, features, or other details of the present invention in the form of a more detailed description, which is presented for the purpose of illustration only, the more detailed description being taken by way of example only, and the more detailed description being presented for the purpose of illustrating the principles of the invention as embodied in the form of a more complete and readily available computer-readable medium. 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 should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the applicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (5)
1. The utility model provides a plugging device that is used for low pressure flange faying face to leak which characterized in that: including fixed frame, sealed module and roof pressure module, sealed module installs at fixed frame inboardly, the roof pressure module is installed on fixed frame and the roof pressure module offsets with sealed module, sealed module includes a plurality of curved sealed inside linings, and is a plurality of sealed inside lining end to end combination form the annular sealed module of circle, fixed frame includes a plurality of curved outer casing, and is a plurality of outer casing end to end fixed connection form the annular fixed frame of circle, the inboard at the outer casing is installed with sealed inside lining adaptation and sealed inside lining to the outer casing, the roof pressure module includes a plurality of roof pressure bolts, and is a plurality of roof pressure bolt equipartition is on the outer casing and the roof pressure bolt passes through threaded connection with the outer casing, and the tip of the threaded end of roof pressure bolt offsets with sealed inside lining.
2. A leak stopping device for leakage at a joint surface of a low-pressure flange as defined in claim 1, which is characterized in that: the both ends of outer casing all are equipped with fixed journal stirrup, and a plurality of the outer casing is through the fixed journal stirrup and locking bolt, the lock nut fixed connection at its head and the tail both ends.
3. A leak stopping device for leakage at a joint surface of a low-pressure flange as defined in claim 2, which is characterized in that: the both ends of sealed inside lining all are equipped with sealed journal stirrup, sealed journal stirrup and fixed journal stirrup adaptation and sealed journal stirrup and fixed journal stirrup laminating.
4. A leak stopping device for leakage at a joint surface of a low-pressure flange as defined in claim 3, which is characterized in that: the sealing support lug and the sealing lining are integrally formed by fluororubber.
5. A leakage stopping device for low-pressure flange joint surface leakage according to any one of claims 2 to 4, characterized in that: the fixed support lug and the outer guard plate are integrally formed by metal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121848329.5U CN215258524U (en) | 2021-08-09 | 2021-08-09 | Leakage blocking device for leakage of low-pressure flange joint surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121848329.5U CN215258524U (en) | 2021-08-09 | 2021-08-09 | Leakage blocking device for leakage of low-pressure flange joint surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215258524U true CN215258524U (en) | 2021-12-21 |
Family
ID=79497292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121848329.5U Expired - Fee Related CN215258524U (en) | 2021-08-09 | 2021-08-09 | Leakage blocking device for leakage of low-pressure flange joint surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215258524U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114562634A (en) * | 2022-02-28 | 2022-05-31 | 国家石油天然气管网集团有限公司 | Flexible oversleeve sealing liner and preparation method thereof |
-
2021
- 2021-08-09 CN CN202121848329.5U patent/CN215258524U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114562634A (en) * | 2022-02-28 | 2022-05-31 | 国家石油天然气管网集团有限公司 | Flexible oversleeve sealing liner and preparation method thereof |
| CN114562634B (en) * | 2022-02-28 | 2024-05-03 | 国家石油天然气管网集团有限公司 | Flexible oversleeve sealing liner and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8118551B2 (en) | Casing and fluid machine | |
| CN215258524U (en) | Leakage blocking device for leakage of low-pressure flange joint surface | |
| WO2009136811A1 (en) | Sealing gasket with protection device | |
| CN202100885U (en) | Double-seal large-deflection compensation joint | |
| CN105715879B (en) | A kind of anti-loosing connecting structure of pipeline | |
| CN101975317A (en) | Stuffing box type compensating joint | |
| CN203162432U (en) | Pipeline repair device | |
| CN213177191U (en) | Hoop sealing structure for preventing leakage of flange | |
| CN107830302B (en) | Sleeve for repairing bent pipe and method for repairing bent pipe | |
| CN202327512U (en) | Pipe fitting used for rapidly repairing water leakage of water feeding pipe | |
| CN201059400Y (en) | Sealing flange | |
| CN206478378U (en) | A kind of manifold type pressure piping patcher | |
| CN211398860U (en) | Clamp formula annular pipe connects flexible line connection structure | |
| CN201636461U (en) | Pipe connector | |
| CN2793504Y (en) | Fast flange leakage-stopping jacket of pipeline | |
| CN2539045Y (en) | Sealed bellows expansion joint with auxiliary replaceable filling | |
| CN203115344U (en) | Connecting device of flange steel plastic pipe, flange pipe and pipe with middle seal cartridge | |
| CN205842038U (en) | A kind of flange connection | |
| CN207505164U (en) | A kind of electric heater unit | |
| RU169897U1 (en) | CLUTCH FOR REPAIR OF SOCKET CONNECTIONS | |
| CN214892618U (en) | A plugging device for chemical industry equipment | |
| CN212361246U (en) | Plugging device | |
| CN2539044Y (en) | Duplex sealed bellows expansion joint with detachable filling | |
| CN204477304U (en) | The mechanical seal of a kind of unit loading type reactor | |
| JP4149036B2 (en) | Pipe flange leakage repair mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211221 |