CN203725451U - Sweeping system for submarine delivery pipelines - Google Patents
Sweeping system for submarine delivery pipelines Download PDFInfo
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- CN203725451U CN203725451U CN201420099443.6U CN201420099443U CN203725451U CN 203725451 U CN203725451 U CN 203725451U CN 201420099443 U CN201420099443 U CN 201420099443U CN 203725451 U CN203725451 U CN 203725451U
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- spherical pig
- pipeline
- feed
- conveyance conduit
- line
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Abstract
The utility model provides a sweeping system for submarine delivery pipelines and solves the problems that ponding cannot be sufficiently removed, impurities are consequently contained in delivered oil (gas), product quality is reduced and potential safety hazards are caused in the prior art of sweeping procedure. The sweeping system for the submarine delivery pipelines comprises a delivery pipeline arranged at the sea bed, blind plates are arranged at two ends of the delivery pipeline in a retaining manner, a pipe cleaning ball emitter is arranged at one end of the delivery pipeline, and a pipe cleaning ball receiver is arranged at the other end of the delivery pipeline, a water inlet of the pipe cleaning ball emitter is connected with an air compressor through a pipeline, an air storage tank is serially connected on a pipeline between the air compressor and the pipe cleaning ball emitter, a water outlet of the pipe cleaning ball receiver is communicated with a water drain pipe, and the water drain pipe is connected with a sewage treatment tank. Ponding left in the pipeline by a washing procedure is removed by a sweeping procedure, and various devices in the integral system are compact and reliable in assembly, sweeping operation is simple and convenient, ponding is thoroughly removed, sweeping effect is excellent, and purity quality of the delivered oil (gas) is further improved.
Description
Technical field
The utility model belongs to submerged pipeline operation technique field, relate to a kind of for the purging operation before submerged pipeline oil transportation, the purging system of a kind of seabed feed-line particularly.
Background technology
Submarine pipeline is by airtight pipeline, in seabed, to carry continuously the pipeline of large gauging (gas), is the chief component of offshore oil (gas) field Development and Production system, be also at present the most fast, the safest and economic reliable offshore oil and gas means of transportation.The advantage of submarine pipeline is to carry continuously, is subject to hardly the impact of environmental condition, can not force not in time oil field reduce or stop production because of the fortune that connects of marine oil storage facility capacity restriction or shuttle tanker.Therefore oil transportation efficiency is high, transport oily ability large.In addition the undersea pipe-laying duration short, go into operation fast, convenient management and operating cost are low.The shortcoming of submarine pipeline is, because pipeline is in seabed, majority needs to be again embedded in certain depth in seafloor soil, inspection and maintenance difficulty, some pipeline section (especially standpipe) in tidal range or wave breaking band, affected by stormy waves, trend, ice slush etc. larger, sometimes may or cast anchor by marine floating thing and ship collision and wreck.
Submarine pipeline all need to clean before and purge at logical oil (gas), and purges operation after matting, to realize cleaning, later the ponding in submarine pipeline is removed clean.Purging operation of the prior art imperfection, cause the ponding in submarine pipeline all not clear out, and then cause and in transferring oil (gas), contain impurity and do not meet standard, reduces product quality, and have potential safety hazard.
Utility model content
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind ofly after pipe laying, extra large pipe is carried out to the front purging operation of oil transportation (gas), and guarantee that ponding purges the purging system of clean seabed feed-line.
The purpose of this utility model can realize by following technical proposal: the purging system of seabed feed-line, comprise the conveyance conduit that is arranged in seabed, the two ends of described conveyance conduit all keep off establishes blind plate, one end of described conveyance conduit arranges spherical pig transmitter, the other end arranges spherical pig receiver, the water inlet of described spherical pig transmitter connects air compressor machine by pipeline, on pipeline between described air compressor machine and spherical pig transmitter, be connected in series air accumulator, the delivery port communicated drainage pipe of described spherical pig receiver, described drainpipe is connected treatment tank.
In the purging system of this seabed feed-line, before purging engineering, rinse successively operation and pressure testing operation, and after the pressure testing of conveyance conduit completes, by pressure testing equipment dismounting, purger could be carried out to corresponding connection.In purging engineering, adopt air push spherical pig, by spherical pig, most of ponding is discharged, remain a small amount of ponding and use air to purge.Purge gas flow velocity in pipeline should be greater than 20m/s, purges pressure and be not more than 0.8MPa when initial, is not more than 0.6MP when stable.
In the purging system of above-mentioned seabed feed-line, in described conveyance conduit, by spherical pig transmitter, to spherical pig receiver, evenly arrange and establish some spherical pigs.Spherical pig, under distinguished and admirable promotion, and is cleaned inboard wall of tube body along directed walking at uniform intervals one by one, and synchronously the ponding in pipe is progressively discharged, until by most of ponding discharge, and remaining a small amount of ponding only in pipe.
In the purging system of above-mentioned seabed feed-line, described spherical pig is straight slab bowl mixed type wiper.
In the purging system of above-mentioned seabed feed-line, described spherical pig transmitter has service cylinder, between the end of described service cylinder and conveyance conduit, is connected adjustable pipe; Described spherical pig receiver has ball collecting chamber, between the end of described ball collecting chamber and conveyance conduit, is connected adjustable pipe.The two ends of conveyance conduit are used respectively elbow to be connected with straight tube, connect one section of straight adjustable pipe between elbow and service cylinder or ball collecting chamber.The logical ball equipment being comprised of spherical pig transmitter and spherical pig receiver, will bear in ball outlet and ball drain port place the thrust necessarily being transformed by pressure, therefore this structure on two sides need carry out certain reinforcing, in case pipeline displacement occurs or be out of shape because of stressed during stop-pass ball.
In the purging system of above-mentioned seabed feed-line, described air accumulator has inlet valve and outlet valve.
In the purging system of above-mentioned seabed feed-line, the import department of described spherical pig transmitter arranges ball valve.The ball valve of the import department of spherical pig transmitter keeps normally open when air compressor machine runs well.
In the purging system of above-mentioned seabed feed-line, the exit of described spherical pig receiver arranges ball valve.The ball valve in the exit of spherical pig receiver keeps normally open when air compressor machine runs well.
In the purging system of above-mentioned seabed feed-line, described conveyance conduit forms support formula location and installation by fixed support.Fixed support bottom plugs into seabed, and top has pipe clamp, and fixed support is divided into a plurality of support bodys and is even support conveyance conduit.
Compared with prior art, the purging system of this seabed feed-line is used later in the flushing engineering of submarine pipeline, by purging engineering, by rinsing the remaining pipe internal water accumulation of engineering, remove, and the assembling of the items of equipment in total system is compact reliable, purge operations is simple and easy convenient, ponding is removed clean, purges effect good, further promotes the pure quality of institute's transferring oil (gas).
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the purging system of this seabed feed-line.
In figure, 1, fixed support; 2, air compressor machine; 3, air accumulator; 4, blind plate; 5, spherical pig transmitter; 6, conveyance conduit; 7, spherical pig; 8, spherical pig receiver; 9, drainpipe; 10, treatment tank.
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, the purging system of this seabed feed-line comprises the conveyance conduit 6 that is arranged in seabed, and the two ends of conveyance conduit 6 are communicated with purger.Before purging engineering, rinse successively operation and pressure testing operation, and after the pressure testing of conveyance conduit 6 completes, by pressure testing equipment dismounting, purger could be carried out to corresponding connection.
Conveyance conduit 6 forms support formula location and installation by fixed support 1.Fixed support 1 bottom plugs into seabed, and top has pipe clamp, and fixed support 1 is divided into a plurality of support bodys and is even support conveyance conduit 6.
The two ends of conveyance conduit 6 all keep off establishes blind plate 4, and one end of conveyance conduit 6 arranges spherical pig transmitter 5, and the other end arranges spherical pig receiver 8.
The water inlet of spherical pig transmitter 5 connects air compressor machine 2 by pipeline, and is connected in series air accumulator 3 on the pipeline between air compressor machine 2 and spherical pig transmitter 5, and air accumulator 3 has inlet valve and outlet valve.The import department of spherical pig transmitter 5 arranges ball valve, and this ball valve keeps normally open when air compressor machine 2 runs well.
The delivery port communicated drainage pipe 9 of spherical pig receiver 8, this drainpipe 9 is connected treatment tank 10.The exit of spherical pig receiver 8 arranges ball valve, and this ball valve keeps normally open when air compressor machine 2 runs well.
Spherical pig transmitter 5 has service cylinder, between the end of service cylinder and conveyance conduit 6, is connected adjustable pipe; Spherical pig receiver 8 has ball collecting chamber, between the end of ball collecting chamber and conveyance conduit 6, is connected adjustable pipe.The two ends of conveyance conduit 6 are used respectively elbow to be connected with straight tube, connect one section of straight adjustable pipe between elbow and service cylinder or ball collecting chamber.The logical ball equipment being comprised of spherical pig transmitter 5 and spherical pig receiver 8, will bear in ball outlet and ball drain port place the thrust necessarily being transformed by pressure, therefore this structure on two sides need carry out certain reinforcing, in case pipeline is shifted or is out of shape because of stressed generation during stop-pass ball.
In conveyance conduit 6, by spherical pig transmitter 5, to spherical pig receiver 8, evenly arranged and establish some spherical pigs 7, this spherical pig 7 is straight slab bowl mixed type wiper.Spherical pig 7, under distinguished and admirable promotion, and is cleaned inboard wall of tube body along directed walking at uniform intervals one by one, and synchronously the ponding in pipe is progressively discharged, until by most of ponding discharge, and remaining a small amount of ponding only in pipe.
In purging engineering, adopt air push spherical pig 7, by spherical pig 7, most of ponding is discharged, remain a small amount of ponding and use air to purge.Purge gas flow velocity in pipeline should be greater than 20m/s, purges pressure and be not more than 0.8MPa when initial, is not more than 0.6MP when stable.
The operation process of the purging system of this seabed feed-line is:
(1) purger and conveyance conduit 6 are connected.
(2) inlet valve of air accumulator 3 is opened, outlet valve cuts out, open air compressor machine 2 for air accumulator 3 inflations, spherical pig 7 put into spherical pig transmitter 5 simultaneously and sealed spherical pig transmitter 5(and put into first 1), when air accumulator 3 internal pressures reach after 0.8MP, open the outlet valve of air accumulator 3, utilize spherical pig 7 to promote pipeline internal water accumulation, then the interior most of ponding of conveyance conduit 6 is discharged.
(3) when the receipts pommel of conveyance conduit 6, receive after spherical pig 7, close air compressor machine 2, overpressure is down to normal pressure, take out spherical pig 7; Put into new spherical pig 7 simultaneously, then open air compressor machine 2 and purge after 5 minutes, close air compressor machine 2 and put into the 3rd spherical pig 7, on-the-spot according to being no less than 3 spherical pigs 7 in actual conditions assurance whole piece pipeline.
(4) use spherical pig 7 that the interior most of ponding of conveyance conduit 6 is cleaned out, after completing, re-use dry air and purge remaining ponding in pipeline.
(5) with a plank lining calico, purging line end check, standing 3 minutes, visual without obvious foreign material, iron rust, without water smoke, occur, can think that this depot siding purges qualified.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used fixed support 1 herein; Air compressor machine 2; Air accumulator 3; Blind plate 4; Spherical pig transmitter 5; Conveyance conduit 6; Spherical pig 7; Spherical pig receiver 8; Drainpipe 9; Treatment tank 10 terms such as grade, but do not get rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (8)
1. the purging system of seabed feed-line, comprise the conveyance conduit that is arranged in seabed, the two ends of described conveyance conduit all keep off establishes blind plate, it is characterized in that, one end of described conveyance conduit arranges spherical pig transmitter, and the other end arranges spherical pig receiver, the water inlet of described spherical pig transmitter connects air compressor machine by pipeline, on pipeline between described air compressor machine and spherical pig transmitter, be connected in series air accumulator, the delivery port communicated drainage pipe of described spherical pig receiver, described drainpipe is connected treatment tank.
2. the purging system of seabed according to claim 1 feed-line, is characterized in that, in described conveyance conduit, by spherical pig transmitter, to spherical pig receiver, is evenly arranged and establishes some spherical pigs.
3. the purging system of seabed according to claim 2 feed-line, is characterized in that, described spherical pig is straight slab bowl mixed type wiper.
4. the purging system of seabed according to claim 1 feed-line, is characterized in that, described spherical pig transmitter has service cylinder, between the end of described service cylinder and conveyance conduit, is connected adjustable pipe; Described spherical pig receiver has ball collecting chamber, between the end of described ball collecting chamber and conveyance conduit, is connected adjustable pipe.
5. the purging system of seabed according to claim 1 feed-line, is characterized in that, described air accumulator has inlet valve and outlet valve.
6. the purging system of seabed according to claim 1 feed-line, is characterized in that, the import department of described spherical pig transmitter arranges ball valve.
7. the purging system of seabed according to claim 1 feed-line, is characterized in that, the exit of described spherical pig receiver arranges ball valve.
8. according to the purging system of the seabed feed-line described in any one in claim 1 to 7, it is characterized in that, described conveyance conduit forms support formula location and installation by fixed support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420099443.6U CN203725451U (en) | 2014-03-06 | 2014-03-06 | Sweeping system for submarine delivery pipelines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420099443.6U CN203725451U (en) | 2014-03-06 | 2014-03-06 | Sweeping system for submarine delivery pipelines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203725451U true CN203725451U (en) | 2014-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420099443.6U Expired - Fee Related CN203725451U (en) | 2014-03-06 | 2014-03-06 | Sweeping system for submarine delivery pipelines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203725451U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104307820A (en) * | 2014-08-28 | 2015-01-28 | 苏州市职业大学 | Pipeline cleaning device |
| CN104307821A (en) * | 2014-08-19 | 2015-01-28 | 中国化学工程第三建设有限公司 | Pollution-free, high-efficiency and long-distance pipe installing and cleaning system |
| CN108787649A (en) * | 2018-08-03 | 2018-11-13 | 漯河恒丰机械制造科技有限公司 | A kind of blow head and the cleaning machine with it |
| CN109570160A (en) * | 2019-01-22 | 2019-04-05 | 天津市管道工程集团有限公司 | Duct cleaning auxiliary device |
| CN114811266A (en) * | 2022-04-14 | 2022-07-29 | 深圳海油工程水下技术有限公司 | Deep water L type ball receiving and dispatching tool |
| CN117564040A (en) * | 2024-01-16 | 2024-02-20 | 浙江西子联合工程有限公司 | Salt removing device for molten salt pipeline |
-
2014
- 2014-03-06 CN CN201420099443.6U patent/CN203725451U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104307821A (en) * | 2014-08-19 | 2015-01-28 | 中国化学工程第三建设有限公司 | Pollution-free, high-efficiency and long-distance pipe installing and cleaning system |
| CN104307820A (en) * | 2014-08-28 | 2015-01-28 | 苏州市职业大学 | Pipeline cleaning device |
| CN104307820B (en) * | 2014-08-28 | 2016-05-25 | 苏州市职业大学 | A kind of cleaning apparatus for pipes |
| CN108787649A (en) * | 2018-08-03 | 2018-11-13 | 漯河恒丰机械制造科技有限公司 | A kind of blow head and the cleaning machine with it |
| CN109570160A (en) * | 2019-01-22 | 2019-04-05 | 天津市管道工程集团有限公司 | Duct cleaning auxiliary device |
| CN114811266A (en) * | 2022-04-14 | 2022-07-29 | 深圳海油工程水下技术有限公司 | Deep water L type ball receiving and dispatching tool |
| CN117564040A (en) * | 2024-01-16 | 2024-02-20 | 浙江西子联合工程有限公司 | Salt removing device for molten salt pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20180306 |