CN203718380U - Launching device for submarine pipeline detector - Google Patents

Launching device for submarine pipeline detector Download PDF

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Publication number
CN203718380U
CN203718380U CN201420094426.3U CN201420094426U CN203718380U CN 203718380 U CN203718380 U CN 203718380U CN 201420094426 U CN201420094426 U CN 201420094426U CN 203718380 U CN203718380 U CN 203718380U
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CN
China
Prior art keywords
valve
launching tube
pipeline
detector
submarine pipeline
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420094426.3U
Other languages
Chinese (zh)
Inventor
刘涛
杨桂霞
韩义同
郑慧强
陈海
刘玉军
顾建华
王斌
孙颖
李书明
Original Assignee
刘涛
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 刘涛 filed Critical 刘涛
Priority to CN201420094426.3U priority Critical patent/CN203718380U/en
Application granted granted Critical
Publication of CN203718380U publication Critical patent/CN203718380U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a launching device for a submarine pipeline detector and belongs to the field of submarine pipeline detection. The device comprises a cover plate, a pressure gauge, an exhaust valve, a launching tube, a transition section, a three-way port, a main line bypass valve 1, a high-pressure flange 1, an emptying valve, an injection valve, a balance pipeline, a balance valve, a standard connection section, an injection pipeline, a main line bypass valve 2 and a high-pressure flange 2, wherein the launching tube, the standard connection section, the main line bypass valve 1 and the high-pressure flange 1 are connected to form an accommodating cavity before the detector enters a submarine pipeline; the cover plate, the pressure gauge, the exhaust valve and the emptying valve are connected onto the launching tube to form a subsidiary part of the launching device, the cover plate is used for sealing the launching tube, the pressure gauge is used for measuring the back pressure of the detector in the launching tube, the exhaust valve is used for exhausting the air in the launching tube after a medium enters the launching tube, and the emptying valve is used for pushing out the medium; through connection and matching of the parts, a safe and reliable launching channel is provided for launching of the submarine pipeline detector into the operating submarine pipeline finally.

Description

A kind of Technique of Subsea Pipeline Inspection device delivery device
Technical field
The utility model relates to the online detection field of submarine pipeline, be exactly a kind of in the situation that submarine pipeline does not stop fed sheet of a media specifically, Technique of Subsea Pipeline Inspection device is dropped into smoothly to the delivery device of in-service operation submarine pipeline, realize the detection to the Security of in-service operation submarine pipeline.Be applicable to the input place of various submarine pipelines at thread detector.
Background technique
Submarine pipeline is to be laid in below sea bed, for delivery of the constituent element of the pipeline of all kinds of media such as oil, rock gas.Because submarine surface ground is unstable, dielectric corrosion, wave rushes the reasons such as naughty and marine accident, easily makes the pipeline that is laid in seabed produce defect and damage, and the leakage of the media such as oil gas occurs, and causes huge economic loss and ecological environmental pollution.Therefore submarine pipeline being carried out to regular or irregular detection is necessary.At present Technique of Subsea Pipeline Inspection device is thrown in to submarine pipeline to be detected, must first be carried out again Technique of Subsea Pipeline Inspection device being put in pipeline after pressure release, stopping transportation, pipeline purging to the medium in former submarine pipeline.Affect so on the one hand the normal use of submarine pipeline; On the other hand submarine pipeline from pressure release, stopping transportation, pipeline purging, input detector, boosting needs a large amount of time, therefore throws in efficiency low, is unfavorable for detecting normally needs.Before the utility model has designed, do not see the Technique of Subsea Pipeline Inspection device delivery device identical with the utility model structure and use in daily production, do not see the device identical with the utility model structure and sell.
Summary of the invention
The purpose of this utility model is to provide a kind of submarine pipeline at operation medium not stopping transportation in the situation that, safety, efficiently Technique of Subsea Pipeline Inspection device is rendered to the delivery device in in-service operation submarine pipeline smoothly.Use after this delivery device, in the time detecting submarine pipeline, do not affect on the one hand normal medium transport; Improve on the other hand the input efficiency of Technique of Subsea Pipeline Inspection device.
For achieving the above object, the utility model has adopted following technological scheme:
A kind of Technique of Subsea Pipeline Inspection device delivery device, comprises cover plate, pressure gauge, outlet valve, launching tube, changeover portion, three ports, main line bypass valve 1, high pressure flange 1, exhaust-valve, injection valve, balance pipeline, equilibrium valve, standard contact section, injects pipeline, main line bypass valve 2 and high pressure flange 2; Said launching tube and changeover portion, standard contact section, main line bypass valve 1 and high pressure flange 1 connect and compose detector and enter the cavity that holds before submarine pipeline; Said cover plate, pressure gauge, outlet valve and exhaust-valve are connected on launching tube, form the appendage of this delivery device, cover plate is the use of sealing launching tube, pressure gauge is for measuring the use of launching tube internal detector back pressure, outlet valve is that after medium enters launching tube, the interior air of emptying launching tube is used, and exhaust-valve is for discharging the use of medium; Said three ports are installed on the passage that standard contact section top is towing steel wire; Said injection valve is connected in launching tube afterbody with injecting pipeline one side, and a side is connected in high pressure flange top, and both are coordinated for being advanced into before the detector in launching tube dynamic medium is provided in submarine pipeline by switching; Said equilibrium valve and balance pipeline one side are connected in launching tube afterbody, and a side is connected in standard contact section, and both coordinate the detector of guaranteeing in launching tube to bear all the time positive back pressure by switching; Said main line bypass valve 1 and main line bypass valve 2 are the on-off control valve of medium in this Technique of Subsea Pipeline Inspection device delivery device and submarine pipeline; Said high pressure flange 1 and high pressure flange 2 are this Technique of Subsea Pipeline Inspection device delivery device and the interface section of moving submarine pipeline, before operation submarine pipeline is detected, be first connected with operation submarine pipeline the path that enters submarine pipeline as detector with high pressure flange 2 by high pressure flange 1; Connection by above part, coordinate finally and to provide safe and reliable input passage for the Technique of Subsea Pipeline Inspection device submarine pipeline that puts into operation smoothly.
Brief description of the drawings
Below in conjunction with accompanying drawing and embodiment, the utility model is described in detail:
Fig. 1 is that this delivery device is always schemed;
Fig. 2 is that this delivery device is thrown in schematic diagram.
Reference character: 1, cover plate; 2, pressure gauge; 3, outlet valve; 4, launching tube; 5, changeover portion; 6, three ports; 7, main line bypass valve 1; 8, high pressure flange 1; 9, exhaust-valve; 10, injection method; 11, balance pipeline 2; 12, equilibrium valve; 13, standard contact section; 14, inject pipeline; 15, main line bypass valve 2; 16, high pressure flange 2; 17, detector; 18, steel wire is draged in holder; 19, main line bypass valve 3; 20, submarine pipeline, 21, main line valve.
Embodiment
Embodiment 1:
See Fig. 1, Fig. 2
A kind of Technique of Subsea Pipeline Inspection device delivery device, comprises cover plate (1), pressure gauge (2), outlet valve (3), launching tube (4), changeover portion (5), three ports (6), main line bypass valve 1 (7), high pressure flange 1 (8), exhaust-valve (9), injection valve (10), balance pipeline (11), equilibrium valve (12), standard contact section (13), injects pipeline (14), main line bypass valve 2 (15) and high pressure flange 2 (16); Said launching tube (4) and changeover portion (5), standard contact section (13), main line bypass valve 1 (7) and high pressure flange 1 (8) connect and compose detector (17) enter submarine pipeline (20) front hold cavity; Said cover plate (1), pressure gauge (2), outlet valve (3) and exhaust-valve (9) are connected on launching tube (4), form the appendage of this delivery device, cover plate (1) is the use of sealing launching tube (4), pressure gauge (2) is for measuring the use of launching tube (4) internal detector (17) back pressure, outlet valve (3) is used for medium enters the rear interior air of emptying launching tube (4) of launching tube (4), and exhaust-valve (9) is for discharging the use of medium; Said three ports (6) are installed on standard contact section (13) top, are the passage of towing steel wire (18); Said injection valve (10) is connected in launching tube (4) afterbody with injection pipeline (14) one sides, one side is connected in high pressure flange 2 (16) tops, and both coordinate to be advanced into for the detector (17) in launching tube (4) is front by switching provides dynamic medium in submarine pipeline (20); Said equilibrium valve (12) is connected in launching tube (4) afterbody with balance pipeline (11) one sides, one side is connected in standard contact section (13), and both coordinate the detector (17) of guaranteeing in launching tube (4) to bear all the time positive back pressure by switching; Said main line bypass valve 1 (7) and main line bypass valve 2 (15) are the on-off control valve of this detector (17) delivery device and the interior medium of submarine pipeline (20); Said high pressure flange 1 (8) and high pressure flange 2 (16) are this detector (17) delivery device and the interface section of moving submarine pipeline (20), before operation submarine pipeline (20) is detected, be first connected with operation submarine pipeline (20) path that enters submarine pipeline (20) as detector (17) with high pressure flange 2 (16) by high pressure flange 1 (8); Connection by above part, coordinate and finally provide safe and reliable input passage for detector (17) submarine pipeline (20) that puts into operation smoothly.
In the time that submarine pipeline (20) need to detect, by high pressure flange 1 (8) and high pressure flange 2 (16), detector delivery device is arranged on submarine pipeline (20); Detector (17) enters in launching tube (4) by cover plate (1), uses winch towing steel wire (18) to make the pipe contact of detector (17) front end and standard contact section (13) by three ports (6); Then by cover plate (1), the cover plate of three ports (6) and exhaust-valve (9) are closed; Confirmation main line bypass valve 1 (7), main line bypass valve 2 (15) are closed, and are opened main line bypass valve 3 (19); Slowly injected media of injection valve (10), when launching tube (4) is full of after medium, closes outlet valve (3); Open main line bypass valve 1 (7), then slowly close main line valve (21), detector to be determined (17) is sent to after submarine pipeline (20), slowly open main line valve (21), slowly close main line bypass valve 3 (19), it is complete that detector (17) is thrown in emission process simultaneously.

Claims (1)

1. a Technique of Subsea Pipeline Inspection device delivery device, is characterized in that it comprises cover plate (1), pressure gauge (2), outlet valve (3), launching tube (4), changeover portion (5), three ports (6), main line bypass valve 1 (7), high pressure flange 1 (8), exhaust-valve (9), injection valve (10), balance pipeline (11), equilibrium valve (12), standard contact section (13), injects pipeline (14), main line bypass valve 2 (15) and high pressure flange 2 (16); Said launching tube (4) and changeover portion (5), standard contact section (13), main line bypass valve 1 (7) and high pressure flange 1 (8) connect and compose detector (17) enter submarine pipeline (20) front hold cavity; Said cover plate (1), pressure gauge (2), outlet valve (3) and exhaust-valve (9) are connected on launching tube (4), form the appendage of this delivery device, cover plate (1) is the use of sealing launching tube (4), pressure gauge (2) is for measuring the use of launching tube (4) internal detector (17) back pressure, outlet valve (3) is used for medium enters the rear interior air of emptying launching tube (4) of launching tube (4), and exhaust-valve (9) is for discharging the use of medium; Said three ports (6) are installed on standard contact section (13) top, are the passage of towing steel wire (18); Said injection valve (10) is connected in launching tube (4) afterbody with injection pipeline (14) one sides, one side is connected in high pressure flange 2 (16) tops, and both coordinate to be advanced into for the detector (17) in launching tube (4) is front by switching provides dynamic medium in submarine pipeline (20); Said equilibrium valve (12) is connected in launching tube (4) afterbody with balance pipeline (11) one sides, one side is connected in standard contact section (13), and both coordinate the detector (17) of guaranteeing in launching tube (4) to bear all the time positive back pressure by switching; Said main line bypass valve 1 (7) and main line bypass valve 2 (15) are the on-off control valve of this detector (17) delivery device and the interior medium of submarine pipeline (20); Said high pressure flange 1 (8) and high pressure flange 2 (16) are this detector (17) delivery device and the interface section of moving submarine pipeline (20), before operation submarine pipeline (20) is detected, be first connected with operation submarine pipeline (20) path that enters submarine pipeline (20) as detector (17) with high pressure flange 2 (16) by high pressure flange 1 (8); Connection by above part, coordinate and finally provide safe and reliable input passage for detector (17) submarine pipeline (20) that puts into operation smoothly.
CN201420094426.3U 2014-02-25 2014-02-25 Launching device for submarine pipeline detector Expired - Fee Related CN203718380U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420094426.3U CN203718380U (en) 2014-02-25 2014-02-25 Launching device for submarine pipeline detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420094426.3U CN203718380U (en) 2014-02-25 2014-02-25 Launching device for submarine pipeline detector

Publications (1)

Publication Number Publication Date
CN203718380U true CN203718380U (en) 2014-07-16

Family

ID=51157529

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420094426.3U Expired - Fee Related CN203718380U (en) 2014-02-25 2014-02-25 Launching device for submarine pipeline detector

Country Status (1)

Country Link
CN (1) CN203718380U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018014393A1 (en) * 2016-07-17 2018-01-25 杨越 Underwater pipeline inspection device launcher assembly used by unmanned vessel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018014393A1 (en) * 2016-07-17 2018-01-25 杨越 Underwater pipeline inspection device launcher assembly used by unmanned vessel

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GR01 Patent grant
C14 Grant of patent or utility model
DD01 Delivery of document by public notice

Addressee: Liu Tao

Document name: Notification of Termination of Patent Right

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140716

Termination date: 20150225

EXPY Termination of patent right or utility model