CN110220068A - Nuclear piping leak stoppage tool and method - Google Patents
Nuclear piping leak stoppage tool and method Download PDFInfo
- Publication number
- CN110220068A CN110220068A CN201910328452.5A CN201910328452A CN110220068A CN 110220068 A CN110220068 A CN 110220068A CN 201910328452 A CN201910328452 A CN 201910328452A CN 110220068 A CN110220068 A CN 110220068A
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- China
- Prior art keywords
- sealing element
- compressing member
- group
- fastener
- mounting groove
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 85
- 239000000565 sealant Substances 0.000 claims abstract description 22
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 10
- 230000007547 defect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/17—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose
- F16L55/1705—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose with a substantially radial tightening member
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a kind of Nuclear piping leak stoppage tool and method, tool includes: one group of sealing element, and the both ends of each sealing element can mutually splice and form the ring structure that can be fitted closely with pipeline outer wall after the splicing of both ends；Two compressing members, it is semi-cylindrical shaped shell, a complete cylindrical shell is formed after two compressing member splits, the inner wall at each compressing member both ends offers sealing element mounting groove respectively, the outer wall at each compressing member both ends offers fastener mounting groove respectively, and one group of sealing element can be respectively placed in the sealing element mounting groove at compressing member both ends；One group of fastener, the both ends of fastener are provided with one group of locking mechanism being mutually matched, fastener can be locked after being placed in fastener mounting groove by one group of locking mechanism, so that the entirety after two compressing member splits is fastened on pipeline outer wall, entire tool construction is simple, can Fast Installation, can online leak stopping, further, setting sealant, which fills nozzle, can also be achieved the second resealing leak stopping.
Description
Technical field
The present invention relates to Nuclear piping maintenance area more particularly to a kind of Nuclear piping leak stoppage tool and methods.
Background technique
On nuclear power station Emergency diesel, there are many pipelines in circuit to connect in the form of grafting encrypts seal (O circle), this
The advantages of kind of connection type be it is convenient for disassembly and assembly, shorten the repair time, but due to diesel engine vibrate under running conditions it is larger, when long
Between run after, these pipelines inevitably will appear O circle be squeezed and deformed, pipeline dislocation the problems such as, ultimately cause pipeline internal medium leakage,
And there are Unpredictabilities for this leakage, seriously threaten the availability of diesel engine.
Currently, nuclear power station plugging operation is concentrated mainly on large and medium-sized pipeline, the leak stopping mode of these pipelines is using outer
Covering shell, the mode finally welded, the major defect of this mode are to be not suitable for online leak stopping, and the defect processing time is long, risk
It is higher, and power station has the stringent time limit to require the processing of Emergency diesel defect.
Summary of the invention
The technical problem to be solved in the present invention is that the easy leakage existing for the above-mentioned O circle sealing of the prior art,
And the defect that existing leak stopping mode operating time long risk is high, a kind of Nuclear piping leak stoppage tool and method are provided, it can be right
Pipeline carries out fast blockage.
The technical solution adopted by the present invention to solve the technical problems is: constructing a kind of Nuclear piping leak stoppage tool, comprising:
The both ends of one group of sealing element, each sealing element can mutually splice and be formed after the splicing of both ends can be with pipeline outer wall
The ring structure fitted closely；
Two compressing members are semi-cylindrical shaped shell, and a complete cylindrical shell is formed after two compressing member splits,
The inner wall at each compressing member both ends offers sealing element mounting groove respectively, and the outer wall at each compressing member both ends offers fastening respectively
Part mounting groove, one group of sealing element can be respectively placed in the sealing element mounting groove at compressing member both ends；
One group of fastener, can be respectively placed in the fastener mounting groove at compressing member both ends, the both ends setting of the fastener
It can be locked by one group of locking mechanism after thering is one group of locking mechanism being mutually matched, fastener to be placed in fastener mounting groove
Tightly, so that the entirety after two compressing member splits is fastened on pipeline outer wall.
Preferably, the sealing element uses dovetail manner split along the circumferential direction of the sealing element in mosaic；And/or institute
It states sealing element and uses dovetail manner split along the axial direction of the sealing element in mosaic.
Preferably, some position between the both ends of any compressing member in two compressing members, offers through compressing member
Inside and outside sealant filler, the sealant fill in nozzle and are provided with check valve.
Preferably, each compressing member includes semicylindrical main part and two semicircular cylinders for being connected to main part both ends
The end of shape, the internal diameter of the main part are greater than the internal diameter of the end, and the outer diameter of the main part is greater than the outer of the end
Diameter, the inner wall of each end offer the sealing element mounting groove, and the outer wall of each end offers the fastening
Part mounting groove opens up the sealant filling nozzle on the main part of any compressing member in two compressing members.
Preferably, the sealing element is rubber part.
Another aspect of the present invention also discloses a kind of Nuclear piping blocking method, can be used for preventing medium in pipeline from pipe
Leakage position on road persistently leaks outside, and is realized based on tool above-mentioned, which comprises
By one group of sealing element in the sealing element mounting groove for being previously placed in first compressing member both ends rotating around each after pipeline
From splicing, so that one group of sealing element fits to pipeline outer wall and along pipeline axial directional distribution in leakage position two sides；
Second compressing member and first compressing member split are formed to the complete circular cylindrical shell of a wrapping pipeline
Body；
One group of fastener is respectively placed in two compressing members to be formed by the fastener mounting groove at cylindrical shell both ends；
One group of locking mechanism is locked, so that the entirety after two compressing member splits is fastened on pipeline outer wall.
Nuclear piping leak stoppage tool of the invention and method, when having the advantages that leak stopping of the present invention, only need by
One group of sealing element being previously placed in the sealing element mounting groove at one of compressing member both ends respectively splices, then another in split
A compressing member, then fastener is installed, finally by group locking mechanism locking holding tightly compressing member on pipeline, final
Effect be by entire sealing element with pipeline is closer is bonded to realize sealing and plugging, entire tool construction is simple, easy to operate,
Can Fast Installation, the time of pressure sealing defect processing can be greatlyd save, can online leak stopping；
Further, there are a media leaks in the mosaic to prevent sealing element after mounting, sealing element mosaic circumferentially
It is all made of dovetail manner split with axial, can be throttled again, medium is prevented to be lost, to play sealing effect well
Fruit；
Further, the present invention can also fill nozzle injection sealant from sealant, realize the second resealing leak stopping, property
It can be reliable.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings:
Fig. 1 is the structural schematic diagram that Nuclear piping leak stoppage tool of the present invention is installed to outside pipeline；
Fig. 2 is the axial joggle schematic diagram of sealing element；
Fig. 3 is the circumferential joggle schematic diagram of sealing element.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give exemplary embodiments of the invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to the disclosure.It answers
When understanding that the specific features in the embodiment of the present invention and embodiment are the detailed description to technical scheme, rather than
Restriction to technical scheme, in the absence of conflict, the technical characteristic in the embodiment of the present invention and embodiment can
To be combined with each other.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
With reference to Fig. 1, Nuclear piping leak stoppage tool of the invention includes: that one group of sealing element, 1, two compressing member 2 (only shows in figure
Anticipated one of them), one group of fastener 3.
Wherein, the both ends of each sealing element 1 can mutually splice and formation can be tight with 100 outer wall of pipeline after the splicing of both ends
The ring structure of closely connected conjunction, sealing element 1 is preferably rubber part in the present embodiment.
Wherein, two compressing members 2 are semi-cylindrical shaped shell, and a complete cylinder is formed after two 2 splits of compressing member
Shape shell.The inner wall at each 2 both ends of compressing member offers sealing element mounting groove, the outer wall difference at each 2 both ends of compressing member respectively
Fastener mounting groove is offered, one group of sealing element 1 can be respectively placed in the sealing element mounting groove at 2 both ends of compressing member；
One group of fastener 3, one group of fastener 3 can be respectively placed in the fastener mounting groove at 2 both ends of compressing member, described
The both ends of fastener 3 are provided with one group of locking mechanism being mutually matched, and fastener 3 can pass through institute after being placed in fastener mounting groove
One group of locking mechanism locking is stated, so that the entirety after two 2 splits of compressing member is fastened on 100 outer wall of pipeline, is realized with pressure stifled
Leakage.
Sealing element 1 is core component, and what is primarily served is once sealing effect, while also acting as and absorbing certain pipeline deformation
Effect, can be fitted closely with pipeline.Preferably, to prevent the joint of rubber seal after mounting from having media leaks,
With reference to Fig. 2, the sealing element 1 uses the split of staged dovetail manner along the circumferential direction of the sealing element 1 in mosaic, and such as Fig. 2 is close
In the section axially vertical with it of sealing 1,1 mosaic of sealing element is stepped.With reference to Fig. 3, the sealing element 1 is in mosaic
The split of serration type dovetail manner, such as Fig. 3 are used along the axial direction of the sealing element 1, sight sees splicing perpendicular to the axial direction of sealing element 1
It can see stitching portion when place to be serrated.The purpose that circumferential and axial are all made of dovetail manner is that and throttled again,
Medium is prevented to be lost, to play good sealing effect.
It continues to refer to figure 1, its axial section that is parallel to of each compressing member 2 is substantially in " several " font, specifically, each
Compressing member 2 includes semicylindrical main part 21 and is connected to two semicylindrical ends 22 at 21 both ends of main part,
The main part 21 and the axis of the end 22 are overlapped, and the internal diameter of the main part 21 is greater than the internal diameter of the end 22, institute
The outer diameter for stating main part 21 is greater than the outer diameter of the end 22.
The inner wall of each end 22 offers the sealing element mounting groove, and the outer wall of each end 22 offers
The fastener mounting groove, sealing element mounting groove, fastener mounting groove can be convenient the Fast Installation of sealing element 1, fastener 3,
Play the role of simultaneously anti-skidding.
(preferably 21 axial direction of main part is substantially intermediate for the main part 21 of one of compressing member 2 in two compressing members 2
Position) sealant filler 211 inside and outside the compressing member 2 is offered, setting is unidirectional in the sealant filling nozzle 211
Valve.The effect of sealant filling nozzle 211 is, leak increase in the case where, using with the matched filling gun of check valve to pipe
Sealant is injected between internal chamber between road 100 and compressing member 2, plays the effect of secondary seal, to thoroughly stop a leak.
In the present embodiment, two compressing members 2, other than one of them fills nozzle 211 with sealant, other structures are complete
It is exactly the same.Certainly, in order to easy to make, can also two compressing members 2 be made into duplicate, i.e., two compressing members 2 all have
Sealant fills nozzle 211.
In the present embodiment, one group of sealing element 1 is specially 2, is actually also possible to 4,6 etc., it is only necessary to by one
Group sealing element 1 is distributed in two ends 22 of compressing member 2.The quantity of one group of fastener 3 is similarly.
Specifically, the locking mechanism is buckle structure.After fastener 3 is installed in place, locking mechanism can quickly will be tight
Firmware 3 carries out final fixation, to realize permanent pressure sealing function.
Wherein, the fastener can be metal binding band.
The working principle of the present embodiment is as follows: under normal circumstances, sealing element 1 is first placed on the close of one of compressing member 2
In sealing mounting groove, such as Fig. 1, when Emergency diesel pipeline 100 because O circle 200 is squeezed and deformed or because of reasons such as the dislocation of pipeline 100
When leading to leakage, maintenance personal can first take that compressing member 2 for being mounted with sealing element 1, and 1 set of two sealing elements therein are existed
Outside pipeline 100, then by 1 both ends split of sealing element, two sealing elements 1 are located at leakage position two sides, then quickly press another
The tight alignment of part 2 is spliced, then fastener 3 is installed in fastener mounting groove, is finally compressed two with one group of locking mechanism
Part 2 is fixedly secured on pipeline, and such as leakage is eliminated at this time, then is not necessarily to follow-up work；It is still had as revealed, then passes through compressing member
Sealant on 2 fills nozzle 211 and injects sealant to the space between compressing member 2 and leakage pipeline, carries out to leakage pipe
Secondary seal is finally stopped a leak.
The present embodiment has the effect that structure is simple, easy to operate, can Fast Installation, when greatly shortening elimination of equipment defect
Between, be suitable for online leak stopping, when the leakage of small flow occurs for diesel engine system pipeline, it is not necessary to by diesel engine exit stand-by heat,
Leakage eliminating is carried out again after emptying medium, can be greatly shortened the defect processing time, be improved the backup power source reliability in power station, avoid machine
Shutdown is even shut down in group recession, improves the generated energy and production efficiency in power station, is provided safeguard for the nuclear safety in power station；In addition, tool
There is rubber seal and sealant filling to seal double sealing means, can according to actual needs, flexible choice rubber seal or
Two seals reach sealing purpose.
It should be noted that the tool of the present embodiment, both can be used for the pipeline leaking stoppage work of power plant's Emergency diesel, together
When can be also used for system, the work of the leak stopping defect elimination of equipment pipeline that other are connected using grafting plus seal mode.
It is further to note that the attached drawing in the present invention is only that the cooperation between mutually independent all parts is illustrated to close
Be and be under the jurisdiction of some part certain positions architectural characteristic, be not intended to limit the invention in each component/position
Size.
It should be noted that the material of tool of the invention can be with flexible choice, it can according to different pressure, pipeline configuration
This tool is made to select unlike material.
The invention also discloses a kind of Nuclear piping blocking method, it can be used for preventing medium in pipeline from letting out on pipeline
Dew position persistently leaks outside, and the method is realized based on the preceding tool, which comprises
S1: by one group of sealing element in the sealing element mounting groove for being previously placed in first compressing member both ends rotating around pipeline after
Respectively splicing, so that one group of sealing element fits to pipeline outer wall and along pipeline axial directional distribution in leakage position two sides；
S2: second compressing member and first compressing member split are formed to the complete cylindrical shape of a wrapping pipeline
Shell；
S3: one group of fastener is respectively placed in the fastener mounting groove that two compressing members are formed by cylindrical shell both ends
It is interior；
S4: one group of locking mechanism is locked, so that the entirety after two compressing member splits is fastened on pipeline outer wall.
Preferably, method further includes S5: if leakage still has, filling nozzle to compression by the sealant on compressing member
Sealant is injected in space between part and leakage pipeline, carries out secondary seal to leakage pipe.
In conclusion Nuclear piping leak stoppage tool of the invention and method, have the advantages that leak stopping of the present invention
When, only one group of sealing element in the sealing element mounting groove for being previously placed in one of compressing member both ends need to respectively be spliced, then
It is installed in another compressing member of split, then by fastener, finally by group locking mechanism locking holding tightly compressing member in pipe
On road, final effect is bonded entire sealing element and pipeline are closer to realize sealing and plugging, entire tool construction letter
It is single, it is easy to operate, can Fast Installation, the time of pressure sealing defect processing can be greatlyd save, can online leak stopping；Further
Ground, to prevent the mosaic of sealing element after mounting from having media leaks, sealing element is circumferentially all made of tenon with axial in mosaic
Mode split is connect, can be throttled again, medium is prevented to be lost, to play good sealing effect；Further, this hair
The bright nozzle that can also fill from sealant injects sealant, the second resealing leak stopping of realization, reliable performance.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (6)
1. a kind of Nuclear piping leak stoppage tool characterized by comprising
The both ends of one group of sealing element, each sealing element can mutually splice and be formed after the splicing of both ends can be close with pipeline outer wall
The ring structure of fitting；
Two compressing members are semi-cylindrical shaped shell, and a complete cylindrical shell is formed after two compressing member splits, each
The inner wall at compressing member both ends offers sealing element mounting groove respectively, and the outer wall at each compressing member both ends offers fastener peace respectively
Tankage, one group of sealing element can be respectively placed in the sealing element mounting groove at compressing member both ends；
One group of fastener, can be respectively placed in the fastener mounting groove at compressing member both ends, and the both ends of the fastener are provided with phase
Mutual matched one group of locking mechanism, fastener can be locked after being placed in fastener mounting groove by one group of locking mechanism, with
Just the entirety after two compressing member splits is fastened on pipeline outer wall.
2. Nuclear piping leak stoppage tool according to claim 1, which is characterized in that the sealing element is in mosaic along described
The circumferential direction of sealing element uses dovetail manner split；And/or the sealing element uses tenon along the axial direction of the sealing element in mosaic
Connect mode split.
3. Nuclear piping leak stoppage tool according to claim 1, which is characterized in that any compressing member in two compressing members
Both ends between some position, the sealant filler inside and outside compressing member is offered, in the sealant filling nozzle
It is provided with check valve.
4. Nuclear piping leak stoppage tool according to claim 3, which is characterized in that each compressing member includes semicylindrical
The internal diameter of main part and two semicylindrical ends for being connected to main part both ends, the main part is greater than the end
Internal diameter, the outer diameter of the main part are greater than the outer diameter of the end, and the inner wall of each end offers the sealing element peace
Tankage, the outer wall of each end offer the fastener mounting groove, the main body of any compressing member in two compressing members
The sealant filling nozzle is opened up in portion.
5. Nuclear piping leak stoppage tool according to claim 3, which is characterized in that the sealing element is rubber part.
6. a kind of Nuclear piping blocking method, the medium that can be used for preventing in pipeline persistently leaks outside from the leakage position on pipeline,
It is characterized in that, being realized based on the described in any item tools of claim 1-5, which comprises
One group of sealing element in the sealing element mounting groove for being previously placed in first compressing member both ends is respectively spelled rotating around after pipeline
It connects, so that one group of sealing element fits to pipeline outer wall and along pipeline axial directional distribution in leakage position two sides；
Second compressing member and first compressing member split are formed to the complete cylindrical shell of a wrapping pipeline；
One group of fastener is respectively placed in two compressing members to be formed by the fastener mounting groove at cylindrical shell both ends；
One group of locking mechanism is locked, so that the entirety after two compressing member splits is fastened on pipeline outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910328452.5A CN110220068A (en) | 2019-04-23 | 2019-04-23 | Nuclear piping leak stoppage tool and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910328452.5A CN110220068A (en) | 2019-04-23 | 2019-04-23 | Nuclear piping leak stoppage tool and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110220068A true CN110220068A (en) | 2019-09-10 |
Family
ID=67820091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910328452.5A Pending CN110220068A (en) | 2019-04-23 | 2019-04-23 | Nuclear piping leak stoppage tool and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110220068A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112283474A (en) * | 2020-11-11 | 2021-01-29 | 徐文罗 | Quick connecting device of pipeline for bio-pharmaceuticals |
| CN114542846A (en) * | 2022-02-21 | 2022-05-27 | 潍坊华润燃气有限公司 | Gas pipeline pressurized leakage blocking device and leakage blocking method thereof |
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| CN103133817A (en) * | 2013-02-07 | 2013-06-05 | 公安部上海消防研究所 | Device and method for conducting online pipeline leakage stoppage |
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2019
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| CN103133817A (en) * | 2013-02-07 | 2013-06-05 | 公安部上海消防研究所 | Device and method for conducting online pipeline leakage stoppage |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112283474A (en) * | 2020-11-11 | 2021-01-29 | 徐文罗 | Quick connecting device of pipeline for bio-pharmaceuticals |
| CN114542846A (en) * | 2022-02-21 | 2022-05-27 | 潍坊华润燃气有限公司 | Gas pipeline pressurized leakage blocking device and leakage blocking method thereof |
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