CN207421629U - A kind of flange pressurized leak stoppage frock - Google Patents

A kind of flange pressurized leak stoppage frock Download PDF

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Publication number
CN207421629U
CN207421629U CN201721493902.9U CN201721493902U CN207421629U CN 207421629 U CN207421629 U CN 207421629U CN 201721493902 U CN201721493902 U CN 201721493902U CN 207421629 U CN207421629 U CN 207421629U
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China
Prior art keywords
flange
lower half
annular groove
annular
half flange
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CN201721493902.9U
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Chinese (zh)
Inventor
李方林
杨晓
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Zhonghao Chenguang Research Institute of Chemical Industry Co Ltd
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Zhonghao Chenguang Research Institute of Chemical Industry Co Ltd
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Priority to CN201721493902.9U priority Critical patent/CN207421629U/en
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Abstract

The utility model discloses a kind of flange pressurized leak stoppage frocks, it is the upper half flange of semi-circular shape and lower half flange including shape, both sides are equipped with horizontally disposed otic placode at the top of upper half flange base both sides and lower half flange, otic placode is equipped with bolt hole, on, lower half flange with the bolt that bolt hole matches by being composed of a fixed connection flange pressurized leak stoppage frock, on, the inside centre position of lower half flange is equipped with annular seal space, the both sides of annular seal space are raised annular side shield, it is square annular groove that the inside centre position of annular side shield, which is equipped with section, galvanized wire is filled in annular groove, the width of annular groove is identical with the diameter of galvanized wire, twice of a diameter of annular groove depth of galvanized wire, injecting hole is additionally provided on lower half flange.The pressure sealing frock of the utility model can be suitably used for pipeline appearance because occurring to cause during corrosion outer diameter tube local deformation or pipe flange because assembling the pressure sealing operation when pipe flange is caused to shift during decentraction.

Description

A kind of flange pressurized leak stoppage frock
Technical field
The utility model is related to Live leaking-stopping technology field, especially a kind of flange pressurized leak stoppage frock.
Background technology
Live leaking-stopping technology refers to specially after the dielectric leakage in finding production system, without stopping production and reducing operation pressure In the case of power, temperature and leaking medium flow, by using various pressurized leaking stoppage methods, with the weight at leakage defect position The new emerging engineering technology created for the purpose of sealing structure;It, need to be by trained operator when implementing pressure sealing Member carries out leak stopping sealing using dedicated leak stopping frock to the leakage point in production.
Flange pressurized leak stoppage frock is mainly to pass through injecting, note using a kind of relatively broad leak stopping frock at present The interaction of agent passage and annular seal space reaches sealing purpose;Existing flange pressurized leak stoppage frock is typically only capable to be suitable for Pipeline appearance is corrosion-free, outer diameter tube is identical and do not deform or pipe flange assembling with one heart when pressure sealing, but When in face of pipeline appearance seriously corroded, outer diameter tube deformation or pipe flange assembling decentraction, assembling there are displacement, adopt It can not just realize that pressure sealing operates with existing flange pressurized leak stoppage frock.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of flange pressurized leak stoppage frock, the pressure sealing frocks Can be suitably used for pipeline appearance causes outer diameter tube local deformation or pipe flange to cause pipe when assembling decentraction when occurring and corrode Pressure sealing operation when flange displacement.
Technical solution is used by the utility model solves its technical problem:A kind of flange pressurized leak stoppage frock, including Shape is the upper half flange of semi-circular shape and lower half flange, and the upper half flange base both sides and lower half flange top both sides are all provided with There is a horizontally disposed otic placode, the otic placode is equipped with bolt hole, and upper and lower half flange passes through the spiral shell that matches with the bolt hole Bolt is composed of a fixed connection flange pressurized leak stoppage frock, and the inside centre position of upper and lower half flange is equipped with annular seal space, The both sides of the annular seal space are the annular side shield of protrusion, and the inside centre position of the annular side shield is equipped with section Square annular groove, the annular groove is interior to be filled with galvanized wire, and the width of annular groove is identical with the diameter of the galvanized wire, Twice of a diameter of annular groove depth of galvanized wire is additionally provided with injecting hole on flange.
Further, the injecting hole is located on lower half flange, and injecting hole is connected with the annular seal space.
Further, the section of the annular seal space is square.
Further, the section of the otic placode is square.
Further, the otic placode is fixed by welding on upper and lower half flange.
The beneficial effects of the utility model are:The flange pressurized leak stoppage frock of the utility model passes through in upper and lower half flange Centre position on the inside of the annular side shield of two pieces of inside is symmetrical arranged two sections as square annular groove, and recessed in annular Filling galvanized wire in slot, and the width of annular groove is identical with galvanized wire diameter, meanwhile, the galvanized wire diameter being filled in annular groove For twice of annular groove depth, the half that can so make galvanized wire is exposed outside annular groove;When pipeline appearance is because occurring Corrode and cause outer diameter tube local deformation or pipe flange cause when assembling decentraction pipe flange shift and the local pipe or After shifting pipe flange generation leakage accident, when carrying out pressure sealing operation to it using this leak stopping frock, using exposed in ring Part galvanized wire outside connected in star makes flange to carrying out effectively filling and compensating at pipeline local deformation or at pipe flange displacement Combination between frock sealing surface and leak is more abundant, so as to improve the security of pressure sealing and success rate, meets pipe After road or pipe flange leak, production system remains able to normal operation, is operated by pressure sealing, reduces because leaking The adverse effect caused by production reduces the loss of equipment fault maintenance down, beneficial to the performance driving economy of production system.
Description of the drawings
Fig. 1 is the structure diagram of the utility model flange pressurized leak stoppage frock;
Fig. 2 is the sectional view along A-A of Fig. 1;
In figure mark for:1- upper half flanges, 2- lower half flanges, 3- otic placodes, 4- bolts, 5- annular seal spaces, 6- annular sides Baffle, 7- annular grooves, 8- injectings hole.
Specific embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
As depicted in figs. 1 and 2, the flange pressurized leak stoppage frock of the utility model includes the upper half that shape is semi-circular shape Flange 1 and lower half flange 2,1 two bottom sides of upper half flange and 2 top both sides of lower half flange are equipped with horizontally disposed section For square otic placode 3, the otic placode 3 is fixed by welding on upper and lower flange 1,2, and otic placode 3 is equipped with bolt hole, above and below Half flange 1,2 is composed of a fixed connection flange pressurized leak stoppage frock by the bolt 4 to match with the bolt hole;It is described upper and lower The inside centre position of half flange 1,2 is equipped with section as square annular seal space 5, and the both sides of the annular seal space 5 are The annular side shield 6 of protrusion, it is square annular groove 7 that the inside centre position of the annular side shield 6, which is equipped with section, described Annular groove 7 in be filled with galvanized wire(It is not shown in figure), the width of annular groove 7 is identical with the diameter of the galvanized wire, galvanized wire Twice of 7 depth of a diameter of annular groove, be additionally provided with the injecting hole being connected with the annular seal space 5 on lower half flange 2 8。
The flange pressurized leak stoppage frock of the utility model by two pieces on the inside of upper and lower half flange annular side shields on the inside of Centre position be symmetrical arranged two sections as square annular groove, and galvanized wire is filled in annular groove, and annular groove Width it is identical with galvanized wire diameter, meanwhile, be filled in twice that galvanized wire diameter in annular groove is also annular groove depth, this Sample can make the half of galvanized wire exposed outside annular groove;When pipeline appearance causes outer diameter tube locally to become due to generation is corroded Shape or pipe flange cause when assembling decentraction pipe flange to shift and after leakage accident occur for the local pipe or displacement pipe flange, When carrying out pressure sealing operation to it using this leak stopping frock, using the exposed part galvanized wire outside annular groove to pipe It carries out effectively filling and compensating at road local deformation or at pipe flange displacement, makes the knot between flange frock sealing surface and leak Close it is more abundant, ensure sealing performance therebetween, so as to improve the security of pressure sealing and success rate, meet pipeline or After pipe flange leaks, production system remains able to normal operation, is operated by pressure sealing, reduces because leakage occurs to life Adverse effect caused by production reduces the loss of equipment fault maintenance down, beneficial to the performance driving economy of production system.In addition, by ring Connected in star is designed as square, and after galvanized wire is filled in annular groove, gap can be formed between galvanized wire and annular groove, should The packing space that gap deforms for the galvanized wire effect of being squeezed, beneficial to raising leakproofness.
It should be appreciated that the above-mentioned specific embodiment of the utility model is used only for exemplary illustration or explains this reality With new principle, without forming the limitation to the utility model.Therefore, in the spirit and scope without departing from the utility model In the case of made any modification, equivalent substitution etc., should be included within the scope of protection of this utility model.

Claims (5)

1. a kind of flange pressurized leak stoppage frock, including the upper half flange that shape is semi-circular shape(1)With lower half flange(2), it is described Upper half flange(1)Two bottom sides and lower half flange(2)Top both sides are equipped with horizontally disposed otic placode(3), the otic placode(3) Bolt hole is equipped with, upper and lower half flange passes through the bolt that matches with the bolt hole(4)The flange that is composed of a fixed connection is with pressure stifled Leak frock, it is characterised in that:The inside centre position of upper and lower half flange is equipped with annular seal space(5), the annular is close Seal chamber(5)Both sides for protrusion annular side shield(6), the annular side shield(6)Inside centre position be equipped with section Square annular groove(7), the annular groove(7)It is interior to be filled with galvanized wire, annular groove(7)Width and the galvanized wire Diameter is identical, a diameter of annular groove of galvanized wire(7)Twice of depth is additionally provided with injecting hole on flange(8).
2. flange pressurized leak stoppage frock according to claim 1, it is characterised in that:The injecting hole(8)It is located at lower half Flange(2)On, and injecting hole(8)With the annular seal space(5)Connection.
3. flange pressurized leak stoppage frock according to claim 1, it is characterised in that:The annular seal space(5)Section To be square.
4. flange pressurized leak stoppage frock according to claim 1, it is characterised in that:The otic placode(3)Section to be square.
5. flange pressurized leak stoppage frock according to claim 1, it is characterised in that:The otic placode(3)It is solid by welding It is scheduled on upper and lower half flange(1,2)On.
CN201721493902.9U 2017-11-10 2017-11-10 A kind of flange pressurized leak stoppage frock Active CN207421629U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721493902.9U CN207421629U (en) 2017-11-10 2017-11-10 A kind of flange pressurized leak stoppage frock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721493902.9U CN207421629U (en) 2017-11-10 2017-11-10 A kind of flange pressurized leak stoppage frock

Publications (1)

Publication Number Publication Date
CN207421629U true CN207421629U (en) 2018-05-29

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110805782A (en) * 2018-08-06 2020-02-18 中国石油天然气股份有限公司 Leaking stoppage fixture and leaking stoppage system
CN111322486A (en) * 2018-12-14 2020-06-23 中昊晨光化工研究院有限公司 Pipeline leakage stopping device and leakage stopping method thereof
CN111963799A (en) * 2020-07-29 2020-11-20 中广核核电运营有限公司 Sealing repair device and pipeline butt joint equipment

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110805782A (en) * 2018-08-06 2020-02-18 中国石油天然气股份有限公司 Leaking stoppage fixture and leaking stoppage system
CN110805782B (en) * 2018-08-06 2021-06-01 中国石油天然气股份有限公司 Leaking stoppage fixture and leaking stoppage system
CN111322486A (en) * 2018-12-14 2020-06-23 中昊晨光化工研究院有限公司 Pipeline leakage stopping device and leakage stopping method thereof
CN111963799A (en) * 2020-07-29 2020-11-20 中广核核电运营有限公司 Sealing repair device and pipeline butt joint equipment
CN111963799B (en) * 2020-07-29 2022-02-15 中广核核电运营有限公司 Sealing repair device and pipeline butt joint equipment

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