CN106322050A - Leakproof device of connecting part - Google Patents

Leakproof device of connecting part Download PDF

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Publication number
CN106322050A
CN106322050A CN201510347489.4A CN201510347489A CN106322050A CN 106322050 A CN106322050 A CN 106322050A CN 201510347489 A CN201510347489 A CN 201510347489A CN 106322050 A CN106322050 A CN 106322050A
Authority
CN
China
Prior art keywords
connector
shell
preventing leakage
soft
gas
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
Application number
CN201510347489.4A
Other languages
Chinese (zh)
Inventor
许建豪
顾立群
马竖
徐玉峰
张晓俊
陈挺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baoshan Iron and Steel Co Ltd
Original Assignee
Baoshan Iron and Steel Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Baoshan Iron and Steel Co Ltd filed Critical Baoshan Iron and Steel Co Ltd
Priority to CN201510347489.4A priority Critical patent/CN106322050A/en
Publication of CN106322050A publication Critical patent/CN106322050A/en
Pending legal-status Critical Current

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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
    • F16L51/00Expansion-compensation arrangements for pipe-lines
    • F16L51/02Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
    • F16L51/022Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with a single corrugation
    • 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
    • F16L57/00Protection of pipes or objects of similar shape against external or internal damage or wear

Abstract

The invention discloses a leakproof device of a connecting part. The leakproof device comprises the connecting part and further comprises a leakproof shell arranged on the periphery of the connecting part in a seal manner, a closed cavity is arranged between the leakproof shell and the connecting part, and the leakproof shell at least comprises a soft shell portion; when the connecting part leaks, the soft shell portion shows visually-checked shape changes. According to the leakproof device of the connecting part, a pipeline for conveying gas can be effectively prevented from leaking towards the exterior, production process safety is improved, and production and running stability is ensured. In addition, through observing of the appearance shape of the leakproof device of the connecting part, whether medium leakage happens to the device or not can be rapidly, conveniently and rapidly judged, a certain specific gas leakage point can be determined, and the judgment process saves time and labor. In addition, the leakproof device of the connection part is simple in structure and suitable for modification of various gas conveying pipelines in a production line.

Description

A kind of connector device for preventing leakage
Technical field
The present invention relates to a kind of preventer, particularly relate to a kind of preventer for connector.
Background technology
Metal corrugated pipe expansion joint and companion flange are connectors common on pipeline, widely should Manufacture for the multiple industry such as electric power, petrochemical industry, heat supply, iron and steel, urban construction and firmly build design field.But, The metal caused due to a variety of causes such as material ageing, external interference, pumped (conveying) medium replacing and damage of facilities The leakage accident of bellows expansion joint and companion flange frequently occurs, and results even in fire, quick-fried time serious Fried, the event that toxic gas leakage etc. seriously endangers public security occurs, accordingly, it would be desirable to be used for state and Its service life is detected timely and assesses.
Detection and assessment currently for metal corrugated pipe expansion joint are main still after it produces leakage, Delayed detection and appraisal procedure cannot early warning timely and effectively, avoid metal corrugated pipe expansion joint or flange The taking place frequently of leakage accident.In order to reduce the loss that leakage accident is caused, to guarantee equipment or system peace Row for the national games, is turned off pipeline valve generally for the processing method having occurred and that leakage phenomenon, and may The metal corrugated pipe expansion joint that there is potential faults is changed.But, the most often make Pipeline valve is become to close the most dead situation, then at this moment to typically require expansion isolation and produce region, sometimes can Cause the stop work and production of whole production system, thus enterprise can be caused huge economic loss.
Enterprise is also desirable that obtaining a kind of junction that can judge quickly and accurately to carry the pipeline of gas is The no technical scheme that leakage occurs, to this end, be effectively reduced because gas leaks by this technical scheme Cause the probability of security incident.
Summary of the invention
It is an object of the invention to provide a kind of connector device for preventing leakage.The connector anti-leak of the present invention Device can be effectively prevented the pipeline of conveying gas and the situation to atmospheric environment leakage occurs, and improves life The safety of product process, it is ensured that the stationarity of production run.It addition, by the connection observing the present invention The face shaping of part device for preventing leakage just can quickly and conveniently judge whether to have occurred and that what gas leaked Situation, and can determine concrete gas leakage point, it is judged that process is time saving and energy saving.Additionally, the present invention The simple in construction of connector device for preventing leakage, the transformation of the various gas transmission pipelines being suitable in production line.
To achieve these goals, the invention provides a kind of connector device for preventing leakage, it includes connecting Part;Additionally, this connector device for preventing leakage also includes: be sealingly arranged in the anti-leak that connector is peripheral Shell, has the chamber of closing, and this anti-leak shell is at least between this anti-leak shell and connector Including soft-shell part, this soft-shell part occurs that when connector occurs leakage the shape that vision can be looked into becomes Change.
In production system, it will usually utilize pipeline deliver the gas to the equipment in each production link or In device, the distance between each equipment or device relatively far away from time, it is necessary to use many pipelines and lead to Cross connector and these pipelines couple together to realize the purpose of long-distance sand transport gas.In this case, Junction between pipeline and pipeline is often not provided with perimeter defense device, say, that pipeline and pipe Junction between road is directly exposed in atmospheric environment.If a certain pipeline junction generation gas If leakage, then be accomplished by the junction between all pipelines and pipeline is verified, thus can Can cause the large-scale stop work and production of production system.More seriously, if the gas of conveying is nothing The toxic and harmful (such as, carbon monoxide or methane) that color is tasteless, then it is also possible to cause and jeopardize the person The major accident of safety.
Unlike the prior art, the fitting device for preventing leakage of the present invention while being provided with connector, Also connector peripheral seal be provided with anti-leak shell.Due to anti-leak shell and connector it Between define the chamber of closing, therefore, during even if there is gas leakage at connector, this gas leakage Also will not enter directly in atmospheric environment, the substitute is, this gas leakage will stay on to be let out by anti- In the chamber that leakage shell and connector are formed.Thus, this gas leakage will not be to production environment or the person Safety constitutes impact or harm.
It addition, based on technical scheme, above-mentioned anti-leak shell also includes a soft-shell part, This soft shell part can be along with the change between gas pressure intensity and the atmospheric pressure of external environment condition of closing chamber Deform upon.When the gas pressure intensity closing chamber is equal to the atmospheric pressure of external environment condition, soft-shell part Do not deform upon, illustrate at connector, not occur gas to leak.But, when the gas pressure closing chamber Powerful when the atmospheric pressure of external environment condition, soft-shell part outward expansion can be observed by the naked eye, Now, gas is had to leak out at the connector of this pipeline;Otherwise, the gas pressure intensity closing chamber is less than During the atmospheric pressure of external environment condition, soft-shell part can be observed by the naked eye and cave inward, now, The gas having external environment condition at the connector of this pipeline enters wherein.The most all may determine that The phenomenon of gas leakage is there are at the connector of this pipeline.Compare to prior art, close down production system After for carrying out the mode got rid of at the connector of each pipeline one by one, utilize the connector anti-leak of the present invention Device can judge whether send out at this connector by the change of shape of soft-shell part quickly and intuitively Angry body leakage, and know concrete gas leakage point simultaneously, not only avoid large-scale stop work and production, Also reduce artificial dimension inspection cost.
It should be noted that the material for soft-shell part set in anti-leak shell selects only to need Disclosure satisfy that its can occur gas leakage time naked eyes occur it is observed that change of shape, The most strictly limit or limit.
Further, connector device for preventing leakage of the present invention also includes signal piping, itself and chamber Conducting, is provided with keying valve on signal piping.
Anti-leak shell is sealingly arranged in outside connector, and i.e. anti-leak shell is by connector and air Environment isolation is come, and the closing chamber formed between anti-leak shell and connector is prevented from from even The gas leaked out at fitting enters in atmospheric environment.Utilize above-mentioned signal piping and compressed air permissible The air-tightness of detection anti-leak shell.Open keying valve and compressed air is directed into anti-letting out by signal piping In leakage shell, the soft-shell partial compression of anti-leak shell expands, and uses suds to smear outside it, as Fruit has Foam Expansion fracture phenomena, then this anti-leak shell there may be leakage point, needs and Shi Genghuan or repairing.
Additionally, above-mentioned signal piping can also be to being the equipment in which kind of gases did escape or production system Whether it is in normal operating conditions to judge.When the soft-shell part of anti-leak shell deforms upon, Illustrate to exist at this connector the situation of gas leakage, keying valve can be opened, artificial for gas leakage After sampling detection, know it is which kind of gas (such as, CO (carbon monoxide converter) gas) leakage, thus judge Whether it is that the equipment producing or discharging CO (carbon monoxide converter) gas there occurs fault.
Further, in connector device for preventing leakage of the present invention, the end of above-mentioned signal piping Portion connects alarm element.
Under many circumstances, if once the pipeline of conveying poisonous and harmful and colorless and odorless gas leaks, Operator are also caused hazard to person by meeting pollutant atmosphere.When poisonous and hazardous gas leaks, inspection The alarm element that the end on test tube road is arranged can send alarm and reminding operator and note.The unit here, report to the police Part can be designed according to the practical situation of production system, and such as, in production system, conveying is an oxygen Change carbon and/or nitric oxide gas, then alarm element just can be designed as when detecting in both gas Any one gas time occur alarm.
It addition, this alarm element can be by the form warning operator of sound or luminescence or work on the spot Personnel, it is also possible to the form warning operator combined by acousto-optic or field personnel.
Further, in connector device for preventing leakage of the present invention, above-mentioned alarm element includes Gas leak detector.
When gas leakage is coal gas (i.e. carbon monoxide), alarm element can send alarm with teaching process Personnel.
Further, in connector device for preventing leakage of the present invention, the end of above-mentioned signal piping Portion connects sampling detecting element, in order to the automatic sampling detection of connector device for preventing leakage.
Further, in connector device for preventing leakage of the present invention, above-mentioned anti-leak shell includes Hard rack and soft-shell part, this hard rack is fixedly connected on connector hermetically, soft shell body Divide and be connected hermetically with hard rack.
It is connected owing to hard rack and connector are fixing hermetically, and soft-shell part is also close with hard rack Feud is fixing to be connected, and therefore, overlaps the anti-leak body seal being made up of hard rack and soft-shell part It is located at outside connector, to be come with atmospheric environment isolation by connector, and then prevents from leaking at connector Gas enter in atmospheric environment.
Further, in connector device for preventing leakage of the present invention, above-mentioned hard rack is gold Belonging to support, this soft-shell part is eyelid covering, and this eyelid covering is connected with metal rack hermetically by seal connector Connect.
Owing to above-mentioned soft-shell part have employed eyelid covering, therefore, the soft shell body when connector occurs leakage The change of shape of distribution life becomes apparent from, in order to operator observe by the naked eye.It addition, this is soft Housing parts can use metal/non-metal eyelid covering.
Further, in connector device for preventing leakage of the present invention, above-mentioned hard rack passes through Seal weld is fixedly connected on the outer wall of connector.
Under a kind of embodiment, the connector in connector device for preventing leakage is expansion joint.
Under yet other embodiments, the connector in connector device for preventing leakage is flange assembly.
Connector device for preventing leakage of the present invention can be effectively prevented from the situation of gas leakage and occur, Improve the safety of production process, it is ensured that the stationarity of production run.
It addition, the face shaping of the connector device for preventing leakage by observing the present invention can be quick, convenient Ground judges whether to have occurred and that the situation that gas leaks, and can determine concrete gas leakage point, it is judged that Process is time saving and energy saving.
Additionally, the simple in construction of the connector device for preventing leakage of the present invention, be suitable in production line is various The transformation of conveyance conduit.
Preferably, connector device for preventing leakage of the present invention can realize the air-leakage test of self, Meanwhile, this connector device for preventing leakage can also more accurately judge the equipment in production system or device Whether it is in normal duty.
Accompanying drawing explanation
Fig. 1 is the connector device for preventing leakage of the present invention structural representation under a kind of embodiment Figure.
Detailed description of the invention
Illustrate to come connector anti-leak of the present invention with specific embodiment below in conjunction with accompanying drawing Device is further explained explanation, but this explanation is not intended that technical scheme Improper restriction.
Fig. 1 shows the connector device for preventing leakage of the present invention structure under a kind of embodiment.
As it is shown in figure 1, in the present embodiment, a kind of connector device for preventing leakage includes connector 11 With anti-leak shell 12, connector 11 is for fixing the pipeline that connection is disposed adjacent two-by-two, outside anti-leak Shell 12 is sealingly arranged in outside connector 11, to be formed between anti-leak shell 12 and connector 11 The chamber a closed, wherein, anti-leak shell 12 includes hard rack 13 and soft-shell part 14, firmly Matter support 13 is fixedly connected on connector 11 hermetically, and soft-shell part 14 is close with hard rack 13 Feud is fixing to be connected, and this soft-shell part 14 occurs gas, when leaking, shape can occur at connector 11 Change, in order to operator are observed visually by naked eyes.
It addition, above-mentioned hard rack 13 can be fixedly connected on the outer wall of connector 11 by seal weld.
Additionally, above-mentioned hard rack 13 can be made up of metal material, above-mentioned soft-shell part 14 then may be used To use eyelid covering, thus, this soft-shell part 14 is by seal connector 18 (such as, bolt assembly) Couple together hermetically with hard rack 13.
With continued reference to Fig. 1, above-mentioned connector device for preventing leakage also includes signal piping 15, itself and chamber a Conducting, is provided with keying valve 16 on signal piping, and connection has warning in the end of signal piping 15 Element 17 and sampling detecting element 19.
Here, above-mentioned alarm element 17 can be gas leak detector, it is also possible to be for warning other kinds The alarm device of gas leakage, such as, nitric oxide or sulfur dioxide gas alarm.
Based on technical scheme, above-mentioned connector can be flange assembly or expansion joint.
Connector device for preventing leakage under above-mentioned embodiment is applied in actual production system, if desired Can refer to Fig. 1, the soft-shell part 14 in above-mentioned anti-leak shell 12 can be along with closing chamber a's Change between gas pressure intensity and the atmospheric pressure of external environment condition and deform upon.When the gas closing chamber a When body pressure is equal to the atmospheric pressure of external environment condition, soft-shell part 14 does not deforms upon, and connector is described Place does not occur gas to leak.But, when the gas pressure intensity air more than external environment condition closing chamber a During pressure, soft-shell part 14 can outward expansion, now, there are at this connector 11 gas to The situation of external leakage occurs;Otherwise, close the gas pressure intensity atmospheric pressure less than external environment condition of chamber a Time, soft-shell part 14 can cave inward, and now, has the gas of external environment condition at this connector 11 Enter situation therein to occur.In both cases, soft-shell part can all be observed by the naked eye Change of shape judges to there are at this connector the phenomenon of gas leakage, and can determine a certain simultaneously Concrete gas leakage point, thus not only avoid large-scale stop work and production, also reduce cost of labor.
It should be noted that the described above of disclosed embodiment makes the professional and technical personnel in the field can Carrying out multiple being similar to for the present embodiment apparently to change and modifications, this similar change is this area Technical staff can immediately arrive at from present disclosure or be easy to all deformation just associated, Protection scope of the present invention all should be belonged to.Therefore the present invention will not be limited by this embodiment.

Claims (10)

1. a connector device for preventing leakage, it includes connector;It is characterized in that, also include: set hermetically It is placed in the anti-leak shell that connector is peripheral, between described anti-leak shell and connector, there is closing Chamber, described anti-leak shell at least includes soft-shell part, and this soft-shell part occurs at connector The change of shape that vision can be looked into occurs during leakage.
2. connector device for preventing leakage as claimed in claim 1, it is characterised in that also include signal piping, It turns on described chamber, and described signal piping is provided with keying valve.
3. connector device for preventing leakage as claimed in claim 2, it is characterised in that: the end of described signal piping Portion connects alarm element.
4. connector device for preventing leakage as claimed in claim 3, it is characterised in that: described alarm element includes Gas leak detector.
5. connector device for preventing leakage as claimed in claim 2, it is characterised in that: the end of described signal piping Portion connects sampling detecting element.
6. the connector device for preventing leakage as described in any one in claim 1-5, it is characterised in that: described Anti-leak shell includes hard rack and described soft-shell part, and described hard rack is fixing hermetically to be connected Being connected on described connector, described soft-shell part is connected hermetically with hard rack.
7. connector device for preventing leakage as claimed in claim 6, it is characterised in that: described hard rack is gold Belonging to support, described soft-shell part is eyelid covering, and described eyelid covering is close with metal rack by seal connector Feud connects.
8. connector device for preventing leakage as claimed in claim 6, it is characterised in that: described hard rack passes through Seal weld is fixedly connected on the outer wall of connector.
9. the connector device for preventing leakage as described in any one in claim 1-5, it is characterised in that described Connector is expansion joint.
10. the connector device for preventing leakage as described in any one in claim 1-5, it is characterised in that described Connector is flange assembly.
CN201510347489.4A 2015-06-19 2015-06-19 Leakproof device of connecting part Pending CN106322050A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510347489.4A CN106322050A (en) 2015-06-19 2015-06-19 Leakproof device of connecting part

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Application Number Priority Date Filing Date Title
CN201510347489.4A CN106322050A (en) 2015-06-19 2015-06-19 Leakproof device of connecting part

Publications (1)

Publication Number Publication Date
CN106322050A true CN106322050A (en) 2017-01-11

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CN201510347489.4A Pending CN106322050A (en) 2015-06-19 2015-06-19 Leakproof device of connecting part

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111947046A (en) * 2020-08-27 2020-11-17 苏建飞 Underwater production well equipment for offshore natural gas production

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58211620A (en) * 1982-06-02 1983-12-09 Hitachi Ltd Piping structure
CN201497615U (en) * 2009-08-05 2010-06-02 周明刚 Flange leakage checking device
CN202547885U (en) * 2012-05-11 2012-11-21 中国长江电力股份有限公司 Fluid medium seal leakage detection device
EP2634380A1 (en) * 2012-03-02 2013-09-04 Ansaldo Energia S.p.A. Gas turbine burner fuel feeding system
CN203571311U (en) * 2013-11-14 2014-04-30 南京晨光汉森柔性管有限公司 Jacket type nonmetal expansion joint
CN204387697U (en) * 2014-12-03 2015-06-10 河南汉威电子股份有限公司 Pipeline gas leak detecting device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58211620A (en) * 1982-06-02 1983-12-09 Hitachi Ltd Piping structure
CN201497615U (en) * 2009-08-05 2010-06-02 周明刚 Flange leakage checking device
EP2634380A1 (en) * 2012-03-02 2013-09-04 Ansaldo Energia S.p.A. Gas turbine burner fuel feeding system
CN202547885U (en) * 2012-05-11 2012-11-21 中国长江电力股份有限公司 Fluid medium seal leakage detection device
CN203571311U (en) * 2013-11-14 2014-04-30 南京晨光汉森柔性管有限公司 Jacket type nonmetal expansion joint
CN204387697U (en) * 2014-12-03 2015-06-10 河南汉威电子股份有限公司 Pipeline gas leak detecting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111947046A (en) * 2020-08-27 2020-11-17 苏建飞 Underwater production well equipment for offshore natural gas production

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