CN102141180A - Device for quickly stopping leakage of underwater oil pipeline - Google Patents
Device for quickly stopping leakage of underwater oil pipeline Download PDFInfo
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- CN102141180A CN102141180A CN 201010608169 CN201010608169A CN102141180A CN 102141180 A CN102141180 A CN 102141180A CN 201010608169 CN201010608169 CN 201010608169 CN 201010608169 A CN201010608169 A CN 201010608169A CN 102141180 A CN102141180 A CN 102141180A
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- oil
- pipeline
- under water
- transport pipeline
- pipe nipple
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Abstract
The invention discloses a device for quickly stopping leakage of an underwater oil pipeline, wherein a first short section is connected with the oil inlet end of the underwater oil pipeline in parallel; a beacon is arranged in the first short section; the outer end of the first short section is provided with a seal head; the inner end of the first short section and the outlet of an oil transfer pump are respectively connected with an electrically operated valve; the oil outlet end of the underwater oil pipeline is successively connected with a second short section and an oil suction pump. In a normal oil transportation process, when an accident of outward leaking oil, which is caused by the sudden fracture of the underwater oil pipeline, is found, the working of the oil transfer pump can be stopped and the pressure in the pipeline is continuously reduced through ceaselessly pumping the oil by the oil suction pump; when the pressure in the pipeline is zero or a negative value, because of differential pressure effect of the front and the back ends of the beacon, the beacon moves forward along the oil; and in the mean time, the outward leakage of the oil at the fracture position of the underwater pipeline can be stopped along with the effect of the interior and the exterior differential pressures of the pipeline and water is ceaselessly poured into the pipeline though the fracture opening. By means of the device, the effect of quickly stopping leakage of a submarine pipeline can be realized and the serious environmental pollution and the economic losses which are caused by the massive leakage of the oil can be avoided.
Description
Technical field
The present invention relates to a kind of fast leak-stopping of oil transport pipeline under water technology, relate in particular to a kind of device of the fast leak-stopping of oil transport pipeline under water.
Background technique
If submarine pipeline leaks, if timely leak-stopping, because of oil plant in a large number leakage can cause the severe contamination of environment and great economic loss.
Also do not have a kind of effective fast leak-stopping scheme in the prior art, pipeline is realized fast leak-stopping when taking place to leak under water.
Summary of the invention
The device that the purpose of this invention is to provide a kind of fast leak-stopping of oil transport pipeline under water.
The objective of the invention is to be achieved through the following technical solutions:
The device of the fast leak-stopping of oil transport pipeline under water of the present invention, the oil inlet end of described oil transport pipeline under water is provided with oil transfer pump, the oil inlet end of described oil transport pipeline under water is parallel with first pipe nipple, be provided with beacon in described first pipe nipple, the outer end of described first pipe nipple is provided with end socket, and the inner of described first pipe nipple and described oil transportation delivery side of pump are connected with valve respectively;
The oil outlet end of described oil transport pipeline under water is in series with second pipe nipple and oil scavenge pump successively.
As seen from the above technical solution provided by the invention, the device of the fast leak-stopping of oil transport pipeline under water of the present invention, because the oil inlet end of oil transport pipeline is parallel with first pipe nipple under water, be provided with beacon in first pipe nipple, the outer end of first pipe nipple is provided with end socket, the inner of first pipe nipple and oil transportation delivery side of pump are connected with valve respectively, and the oil outlet end of oil transport pipeline is in series with second pipe nipple and oil scavenge pump successively under water.In normal oil transportation process, find under water that oil transport pipeline breaks because of burst and when the external leakage oil hazard, can stop oil transfer pump work, ceaselessly pump by oil scavenge pump, manifold pressure constantly reduces, when the pipe internal pressure is negative value, because the differential pressure action of beacon rear and front end, beacon can move forward along with oil plant, simultaneously, the oil plant of submarine pipeline rent also stops along with the effect of pipeline inside and outside differential pressure toward external leakage, and constantly has water to inject in pipe by cut.Can realize submarine pipeline fast leak-stopping effect, avoid leaking the severe contamination that causes environment, avoid causing great economic loss because of oil plant is a large amount of.
Description of drawings
Fig. 1 is the structural representation of the device of the fast leak-stopping of oil transport pipeline under water of the present invention;
Fig. 2 is the A portion enlarged view of Fig. 1.
Among the figure: 1, oil transfer pump, 2, first mortor operated valve, 3, end socket, 4, first pipe nipple, 5, beacon, 6, second mortor operated valve, 7, water transport pump, 8, first valve, 9, first pressure transducer, 10, oil transport pipeline under water, 11, second valve, 12, second pipe nipple, 13, the 3rd valve, 14, second pressure transducer, 15, oil scavenge pump, 16, pressure regulator valve.
Embodiment
The device of the fast leak-stopping of oil transport pipeline under water of the present invention, its preferable embodiment as shown in Figure 1 and Figure 2, the oil inlet end of described oil transport pipeline under water is provided with oil transfer pump, the oil inlet end of described oil transport pipeline under water is parallel with first pipe nipple, be provided with beacon in described first pipe nipple, the outer end of described first pipe nipple is provided with end socket, and the inner of described first pipe nipple and described oil transportation delivery side of pump are connected with valve respectively;
The oil outlet end of described oil transport pipeline under water is in series with second pipe nipple and oil scavenge pump successively.
The oil inlet end of described oil transport pipeline under water and oil outlet end can be respectively equipped with pressure transducer and/or pressure gauge.The valve of the inner of described first pipe nipple and described oil transportation delivery side of pump can be mortor operated valve.
Described first pipe nipple can be connected with water transport pump.Described oil scavenge pump can be parallel with pressure regulator valve.The inner of described second pipe nipple can be connected with stop valve.
Described second pipe nipple is connected with beacon and arrives indication and recovering device.
The present invention is directed to the high risk that submarine pipeline may leak, proposed a kind of effective fast leak-stopping scheme, make submarine pipeline can realize fast leak-stopping when taking place to leak, its working principle is:
In normal oil transportation process, find under water that oil transport pipeline breaks because of burst and when the external leakage oil hazard, stop oil transfer pump work immediately, close first mortor operated valve, when first pressure transducer detection oil transport pipeline internal pressure is zero, automatically open second mortor operated valve, open end socket, along with oil scavenge pump is ceaselessly pumped, manifold pressure constantly reduces, when the pipe internal pressure is zero or negative value, because the differential pressure action of beacon rear and front end, beacon can move forward along with oil plant, simultaneously, the oil plant of submarine pipeline rent also stops along with the effect of pipeline inside and outside differential pressure toward external leakage, and constantly has water to inject in pipe by cut.When beacon arrives the second pipe nipple place, oil scavenge pump quits work, whole leak-stopping end-of-job.Pressure parameter in the pipeline recited above all detects at any time by pressure transducer, and whole work control all realizes automatically.
In said process, can pressurize to the water delivery of the rear end of beacon with water transport pump according to the demand of manifold pressure or beacon movement velocity, also can regulate the oil suction pressure and the flow of oil scavenge pump by pressure regulator valve.
The present invention just does some improvement on the basis of original oil-conveying device, just can realize submarine pipeline fast leak-stopping effect, avoids leaking the severe contamination that causes environment because of oil plant is a large amount of, avoids causing great economic loss.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (7)
1. device of oil transport pipeline fast leak-stopping under water, the oil inlet end of described oil transport pipeline under water is provided with oil transfer pump, it is characterized in that, the oil inlet end of described oil transport pipeline under water is parallel with first pipe nipple, be provided with beacon in described first pipe nipple, the outer end of described first pipe nipple is provided with end socket, and the inner of described first pipe nipple and described oil transportation delivery side of pump are connected with valve respectively;
The oil outlet end of described oil transport pipeline under water is in series with second pipe nipple and oil scavenge pump successively.
2. the device of the fast leak-stopping of oil transport pipeline under water according to claim 1 is characterized in that the oil inlet end of described oil transport pipeline under water and oil outlet end are respectively equipped with pressure transducer and/or pressure gauge.
3. the device of the fast leak-stopping of oil transport pipeline under water according to claim 2 is characterized in that, the valve of the inner of described first pipe nipple and described oil transportation delivery side of pump is mortor operated valve.
4. according to the device of claim 1, the 2 or 3 described fast leak-stoppings of oil transport pipeline under water, it is characterized in that described first pipe nipple is connected with water transport pump.
5. according to the device of claim 1, the 2 or 3 described fast leak-stoppings of oil transport pipeline under water, it is characterized in that described oil scavenge pump is parallel with pressure regulator valve.
6. according to the device of claim 1, the 2 or 3 described fast leak-stoppings of oil transport pipeline under water, it is characterized in that the inner of described second pipe nipple is connected with stop valve.
7. according to the benefit of claim 1, the 2 or 3 described fast leak-stoppings of oil transport pipeline under water, it is characterized in that described second pipe nipple is connected with beacon and arrives indication and recovering device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106081697A CN102141180B (en) | 2010-12-16 | 2010-12-16 | Device for quickly stopping leakage of underwater oil pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106081697A CN102141180B (en) | 2010-12-16 | 2010-12-16 | Device for quickly stopping leakage of underwater oil pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102141180A true CN102141180A (en) | 2011-08-03 |
| CN102141180B CN102141180B (en) | 2012-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106081697A Active CN102141180B (en) | 2010-12-16 | 2010-12-16 | Device for quickly stopping leakage of underwater oil pipeline |
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| CN (1) | CN102141180B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535275A (en) * | 2014-12-11 | 2015-04-22 | 天津大学 | Underwater gas leakage amount detection method and device based on bubble acoustics |
| CN104889583A (en) * | 2015-04-22 | 2015-09-09 | 中国华电工程(集团)有限公司 | Pipeline belt medium welding method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52124214A (en) * | 1976-04-12 | 1977-10-19 | Nippon Kokan Kk <Nkk> | Preventing system of luid leakage in pipe line |
| JPS52127618A (en) * | 1976-04-17 | 1977-10-26 | Osaka Gas Co Ltd | Repair method for plastic pipe |
| CN2746247Y (en) * | 2004-07-27 | 2005-12-14 | 康学忠 | Negative pressure oil leak reducing device of petroleum pipeline |
| CN201137816Y (en) * | 2007-09-28 | 2008-10-22 | 张峰 | Intelligent anti-theft anti-pollution pipeline transmission equipment |
-
2010
- 2010-12-16 CN CN2010106081697A patent/CN102141180B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52124214A (en) * | 1976-04-12 | 1977-10-19 | Nippon Kokan Kk <Nkk> | Preventing system of luid leakage in pipe line |
| JPS52127618A (en) * | 1976-04-17 | 1977-10-26 | Osaka Gas Co Ltd | Repair method for plastic pipe |
| CN2746247Y (en) * | 2004-07-27 | 2005-12-14 | 康学忠 | Negative pressure oil leak reducing device of petroleum pipeline |
| CN201137816Y (en) * | 2007-09-28 | 2008-10-22 | 张峰 | Intelligent anti-theft anti-pollution pipeline transmission equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535275A (en) * | 2014-12-11 | 2015-04-22 | 天津大学 | Underwater gas leakage amount detection method and device based on bubble acoustics |
| CN104889583A (en) * | 2015-04-22 | 2015-09-09 | 中国华电工程(集团)有限公司 | Pipeline belt medium welding method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102141180B (en) | 2012-11-14 |
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