CN106322049B - A kind of fastening type isolation agent injecting type pipeline jig - Google Patents

A kind of fastening type isolation agent injecting type pipeline jig Download PDF

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Publication number
CN106322049B
CN106322049B CN201610695723.7A CN201610695723A CN106322049B CN 106322049 B CN106322049 B CN 106322049B CN 201610695723 A CN201610695723 A CN 201610695723A CN 106322049 B CN106322049 B CN 106322049B
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CN
China
Prior art keywords
injecting
faying
groove
annular
seal grooves
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CN201610695723.7A
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Chinese (zh)
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CN106322049A (en
Inventor
王金荣
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Tianjin Xiang Yue Sealing Material Ltd By Share Ltd
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Tianjin Xiang Yue Sealing Material Ltd By Share Ltd
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/16Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • F16L55/168Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
    • F16L55/17Devices 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
    • F16L55/172Devices 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 the ring, band or sleeve being tightened by a tangentially arranged threaded pin and a nut
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/16Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • F16L55/168Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
    • F16L55/175Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by using materials which fill a space around the pipe before hardening

Abstract

The invention discloses a kind of fastening types, and agent injecting type pipeline jig is isolated, cylindric chuck body is butted into including a pair, each chuck body includes semi-cylindrical shaped portion, radially opposite sides in the semi-cylindrical shaped portion are equipped with the otic placode in strap bolt hole, each semi-cylindrical shaped portion, axially both ends inner circumferential is equipped with annular seal grooves, and the faying face sealed groove being connected to the annular seal grooves is equipped on its radially opposite sides faying face.The present invention can be suitable for that defect of pipeline size is larger or a certain range is thinned, and operating environment is severe, leaks under serious conditions, can safely, quickly, efficiently stop a leak.

Description

A kind of fastening type isolation agent injecting type pipeline jig
Technical field
The present invention relates to a kind of pipeline jig, more particularly to agent injecting type pipeline jig is isolated in a kind of fastening type.
Background technology
Currently, the various positions such as equipment, pipeline, valve in process units, when being leaked caused by certain reason, leakage is situated between Matter band temperature, jet flow state with pressure and outside.Leakage position:Flange, equipment, the hole on pipeline, weld defect, screw thread connect Head gland leakage etc..Leaking medium:Water, water vapour, air, oxygen, nitrogen, coal gas, ammonia, liquefied gas, gasoline, diesel oil, coal Oil, heavy oil, lubricating oil, acid, alkali, esters, alcohols, benzene class, various heat carriers, various hydrocarbons, various chemical gas, liquid The leakage part of the All Medias such as body can be gone to eliminate with this technology.Technology implementation process can utilize original closed of leakage position Cavity, or a closed cavity is established on leakage position, it is more than the external thrust of medium system pressure, there will be modeling Property, curability, the sealant for being resistant to leaking medium and temperature injects and is full of enclosure space, blocks leakage defect and channel, close Seal agent under certain conditions, it is rapid to cure, one new sealing structure is set up on leakage position, eliminates medium Leakage.Not parking on-line pressure sealant technology is the sophisticated equipment maintenance technique that middle nineteen seventies grow up, when process units and When the leakage of the equipment of enterprise, pipeline various positions, can not it be influenced in the case that production carries out not parking, band is warm, with pressure, Rapidly, it reliably and securely stops a leak.
The leakage of process units fluid media (medium) is repaired by not parking on-line pressure sealant technology, mostly uses agent injecting type Sealing Method, it is real Apply closure operation.This encapsulating method adaptive temperature is from -180 DEG C~800 DEG C, and pressure is from each under the conditions of -0.1MPa~35MPa The kind leakage sealed construction of fluid media (medium).But construction procedure is complicated, including fixture mounting and adjusting orientation, injecting operation it is noted that The coordination of fltting speed and sealant cures time carries out effect observation after completing injecting and after-teeming compresses.One of link Control it is improper will influence block quality, this not only jeopardizes operating personnel and special equipment safe operation, is also unfavorable for resource section About and environmental protection.
Currently, when defect of pipeline size is larger or a certain range is thinned, mostly use by blocking isolation, then installs fixture Contain leakage position, implements injecting sealing.Although leakage equipment wall thinning area can be made to lose to avoid because of injecting extruding Surely, it and also effectively prevent injecting sealant being injected into medium system.But injecting seal construction method is isolated in this block, behaviour Make more complex, sealant consumption is more.
Invention content
The present invention is to solve technical problem present in known technology, and provide a kind of larger suitable for defect of pipeline size Or a certain range is thinned, operating environment is severe, leaks under serious conditions, the fastening type that can safely, quickly, efficiently stop a leak Agent injecting type pipeline jig is isolated.
The present invention is adopted the technical scheme that solve technical problem present in known technology:A kind of fastening type isolation Agent injecting type pipeline jig, including a pair of chuck body for being butted into cylindrical shape, each chuck body includes semi-cylindrical shaped portion, Radially opposite sides in the semi-cylindrical shaped portion are equipped with the otic placode in strap bolt hole, each the semi-cylindrical shaped portion, axially both ends Inner circumferential is equipped with annular seal grooves, and it is close that the faying face being connected to the annular seal grooves is equipped on its radially opposite sides faying face Seal groove.
The present invention can also adopt the following technical scheme that:
Annular seal grooves distance described in both ends respectively prolongs 10mm according to trommel range to both sides.
It is equipped with annular injecting groove in the outside of the annular seal grooves, is set on the outside of the faying face sealed groove There is the faying face injecting groove being connected to the annular injecting groove.
The spacing of the annular seal grooves and the annular injecting groove is 4mm~5mm, the faying face sealed groove Spacing with the faying face injecting groove is 4mm~5mm.
The annular injecting bottom portion of groove is circumferentially uniformly arranged injecting hole by spacing 100mm.
The faying face injecting bottom portion of groove is equipped with injecting hole.
It is embedded in bar shaped sealant in the annular seal grooves and the faying face sealed groove.
The invention has the advantages and positive effects that:The isolated fixture of fastening type contains leakage position and is damaged by pipeline Section respectively prolongs 10mm or more to both sides and sets fastening annular groove, and fixture faying face both sides equally set sealed groove, is both needed in slot in advance Embedded bar shaped sealant, when seal construction operation, fixture installation covering leakage point, it is only necessary to which the spiral shell of otic placode bolt hole is passed through in fastening Bolt can realize effective sealing;Row annular isolation injecting chamber and fixture faying face injecting intracavitary injecting again after fit sealing are completed, Enhancing sealing effect can be reached.The invention has the advantages that:
1. construction operation is simple and efficient to handle, severe suitable for operating environment, high temperature, high pressure are poisonous and harmful and inconvenient Position construction operation.
2. improving engineering timeliness, labor intensity is reduced, sealing equipment is saved and consumes, reduce engineering cost.
3. sealing surface stress is concentrated, uniformly, it is conducive to realize effectively sealing.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention;
Fig. 2 is the B-B direction sectional view of Fig. 1;
Fig. 3 is the C-C of Fig. 1 to sectional view.
In figure:1, otic placode;2, chuck body;3, annular seal grooves;4, faying face sealed groove;5, annular injecting is recessed Slot;6, faying face injecting groove.
Specific implementation mode
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and coordinate attached drawing Detailed description are as follows:
Refer to Fig. 1~Fig. 3, a kind of fastening type isolation agent injecting type pipeline jig, including a pair of folder for being butted into cylindrical shape Has ontology 2, each chuck body 2 includes semi-cylindrical shaped portion, and the radially opposite sides in the semi-cylindrical shaped portion are equipped with strap bolt The otic placode 1 in hole, each semi-cylindrical shaped portion, axially both ends inner circumferential is equipped with annular seal grooves 3, in its radially opposite sides knot Conjunction face is equipped with the faying face sealed groove 4 being connected to the annular seal grooves 3.Annular seal grooves distance can described in both ends Respectively prolong 10mm to both sides according to trommel range.Pipeline bad segments section is avoided, 10mm or more is respectively spaced to both sides and sets annular Groove, annular seal grooves 3 described in such both ends are equivalent to annular described in both ends from pipeline bad segments to both sides extension 10mm The axial distance of sealed groove 3 is more than pipeline bad segments distance 20mm.According to equipment wall situation, leakage system temperature determines institute State the width and depth of annular seal grooves 3 and faying face sealed groove 4.
Further, it can be equipped with annular injecting groove 5 in the outside of the annular seal grooves 3, it can be in the faying face The outside of sealed groove 4 is equipped with the faying face injecting groove 6 being connected to the annular injecting groove 5.The ring packing described in this way Groove 3 forms inner ring with the faying face sealed groove 4, can be used as sealing ring, can be placed in advance in bar shaped sealant;Annular injecting Groove 5 and faying face injecting groove 6 form outer ring, can be used as injecting circle, sealant can be injected after docking.Internal and external cycle mutually every From can reach enhancing sealing effect.
The spacing of the annular seal grooves 3 and the annular injecting groove 5 can be 4mm~5mm, the faying face sealing The spacing of groove 4 and the faying face injecting groove 6 can be 4mm~5mm.
The annular seal grooves 3 and the faying face sealed groove 4 that can be in the above-described example be embedded in bar shaped sealing Agent.
5 bottom of annular injecting groove can be circumferentially according to GB/T 26468-2011《Bearing device on-line pressure sealant fixture Design specification》5.4.6 regulation setting injecting hole.The annular injecting bottom portion of groove circumferentially can be laid by spacing 100mm Set injecting hole.
6 bottom of faying face injecting groove can be according to GB/T 26468-2011《Bearing device on-line pressure sealant fixture designs Specification》5.4.6 regulation setting injecting hole.
The operation principle of the present invention:
The pipeline jig of generally use is to contain leakage point with fixture, sealing cavity is established, to be higher than leakage system pressure Thrust, injection Special seal agent fills up seal chamber, squeezed by injecting and transmit compacting, and reach operating unit sealing load, leak It is prevented from, is sealed again to realize.
The present invention contains leakage position and does not set injecting chamber, avoids pipeline bad segments and respectively prolong 10mm to both sides setting ring packing Groove 3, fixture faying face both sides equally set faying face sealed groove 4, and the annular seal grooves 3 and faying face sealing are recessed 4 domestic demand of slot is embedded in bar shaped sealant in advance, when seal construction operation, fixture installation covering leakage point, it is only necessary to which otic placode 1 is passed through in fastening The bolt of opened up bolt hole can realize end seal and faying face sealing;It can be recessed in the ring packing after completion fit sealing The outside of slot 3 is equipped with annular injecting groove 5, can be equipped in the outside of the faying face sealed groove 4 recessed with the annular injecting 6 injecting of the faying face injecting groove sealing enhancing that slot 5 is connected to;The annular seal grooves 3 described in this way and faying face sealing are recessed Slot 4 forms seal chamber, the injecting chamber that annular injecting groove 5 and faying face injecting groove 6 are formed, seal chamber and injecting chamber mutually every From by injecting intracavitary injecting, to reach sealing enhancing and ensure that sealing effect is steady in a long-term.
In use, working condition, especially leakage system medium character and temperature can be directed to, to select suitable sealing material Expect and add auxiliary top pressure etc.;And according to equipment wall situation, leakage system temperature determines the critical size of fixture sealing cavity groove.
Embodiment described above is merely to illustrate the technological thought and feature of the present invention, in the art its object is to make Technical staff it will be appreciated that present disclosure and implement according to this, the patent model of the present invention cannot be only limited with the present embodiment It encloses, i.e., same changes or modifications made by all disclosed spirit, still falls in the scope of the claims of the present invention.

Claims (4)

1. agent injecting type pipeline jig, including a pair of chuck body for being butted into cylindrical shape, each folder is isolated in a kind of fastening type It includes semi-cylindrical shaped portion to have ontology, and the radially opposite sides in the semi-cylindrical shaped portion are equipped with the otic placode in strap bolt hole, which is characterized in that Each semi-cylindrical shaped portion, axially both ends inner circumferential be equipped with annular seal grooves, be equipped on its radially opposite sides faying face The faying face sealed groove being connected to the annular seal grooves;Annular seal grooves distance is according to trommel model described in both ends It encloses to both sides and respectively prolongs 10mm;It is equipped with annular injecting groove in the outside of the annular seal grooves, is sealed in the faying face recessed The outside of slot is equipped with the faying face injecting groove being connected to the annular injecting groove;The annular seal grooves and the annular The spacing of injecting groove is 4mm~5mm, the spacing of the faying face sealed groove and the faying face injecting groove be 4mm~ 5mm。
2. agent injecting type pipeline jig is isolated in fastening type according to claim 1, which is characterized in that the annular injecting groove Bottom is circumferentially uniformly arranged injecting hole by spacing 100mm.
3. agent injecting type pipeline jig is isolated in fastening type according to claim 1, which is characterized in that the faying face injecting is recessed Trench bottom is equipped with injecting hole.
4. agent injecting type pipeline jig is isolated in fastening type according to any one of claims 1 to 3, which is characterized in that in the ring Shape sealed groove and the faying face sealed groove are embedded in bar shaped sealant.
CN201610695723.7A 2016-08-18 2016-08-18 A kind of fastening type isolation agent injecting type pipeline jig Active CN106322049B (en)

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Application Number Priority Date Filing Date Title
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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109442136A (en) * 2018-12-12 2019-03-08 陕西航天机电环境工程设计院有限责任公司 A kind of online plugging device of pipeline leakage
CN110864184A (en) * 2019-08-20 2020-03-06 中海油(福建)应急维修有限责任公司 Low-temperature pipeline flange cladding device and method
CN111140771B (en) * 2019-12-30 2020-10-27 清华大学 Active safety protection device and method for hydrogen pipeline

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB763665A (en) * 1954-10-27 1956-12-12 Herbert Sydney Jeffery Improvements relating to pipe collars
US4652023A (en) * 1984-02-13 1987-03-24 Timmons Fred A Repair coupler
US6305719B1 (en) * 1998-10-30 2001-10-23 Laurence S. Smith, Jr. Pipe repair clamp
CN202852326U (en) * 2012-09-21 2013-04-03 天津市江达扬升工程技术有限公司 Isolated seal fixture with pressure
DE102012022975A1 (en) * 2011-11-24 2013-05-29 Andreas Gnida Device for sealing leakage of e.g. gas in T-fitting of fluid-carrying conduit, has cavities which are provided between leakage junction portion and casing such that outward flow of flowable material is prevented by sealing portion
CN203131319U (en) * 2013-03-26 2013-08-14 克拉玛依市弘峰科技有限公司 Multifunctional clamp for connecting and sealing pipeline
CN203963386U (en) * 2014-02-19 2014-11-26 西安东新石油设备厂有限公司 A kind of novel tape-pressure leakage clogging device
CN204573458U (en) * 2015-05-05 2015-08-19 中国石油天然气集团公司 The online first-aid clamp of a kind of oil and gas pipes

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB763665A (en) * 1954-10-27 1956-12-12 Herbert Sydney Jeffery Improvements relating to pipe collars
US4652023A (en) * 1984-02-13 1987-03-24 Timmons Fred A Repair coupler
US6305719B1 (en) * 1998-10-30 2001-10-23 Laurence S. Smith, Jr. Pipe repair clamp
DE102012022975A1 (en) * 2011-11-24 2013-05-29 Andreas Gnida Device for sealing leakage of e.g. gas in T-fitting of fluid-carrying conduit, has cavities which are provided between leakage junction portion and casing such that outward flow of flowable material is prevented by sealing portion
CN202852326U (en) * 2012-09-21 2013-04-03 天津市江达扬升工程技术有限公司 Isolated seal fixture with pressure
CN203131319U (en) * 2013-03-26 2013-08-14 克拉玛依市弘峰科技有限公司 Multifunctional clamp for connecting and sealing pipeline
CN203963386U (en) * 2014-02-19 2014-11-26 西安东新石油设备厂有限公司 A kind of novel tape-pressure leakage clogging device
CN204573458U (en) * 2015-05-05 2015-08-19 中国石油天然气集团公司 The online first-aid clamp of a kind of oil and gas pipes

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