CN101725792A - Leaking stoppage method and device with pressure for pipeline - Google Patents
Leaking stoppage method and device with pressure for pipeline Download PDFInfo
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- CN101725792A CN101725792A CN200910226644A CN200910226644A CN101725792A CN 101725792 A CN101725792 A CN 101725792A CN 200910226644 A CN200910226644 A CN 200910226644A CN 200910226644 A CN200910226644 A CN 200910226644A CN 101725792 A CN101725792 A CN 101725792A
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- pipeline
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Abstract
The present invention provides a leaking stoppage method and device with pressure for a pipeline. A leaking device uses the conception of firstly dredging then blocking, and draws leaked water away by a pressure-relieving and flow-guiding device and decreases the pressure of the leaked flow, which reduces construction difficulty and is convenient to work. The method comprises the following steps of: while leaking, installing a blocking device with the pressure-relieving and flow-guiding device at the leaked place of the pipeline, and then integrally welding a leaking stoppage hoop main body with the pipeline after primary leaking stoppage to achieve a purpose of final leaking stoppage. The pipeline blocking device with the pressure-relieving and flow-guiding device comprises the leaking stoppage hoop main body with the pressure-relieving and flow-guiding device and a lower hoop. The main body is an arc plate of which both sides are provided with folding sides; bolt holes are arranged on the folding sides of the arc plate. Four reinforcing rib plates are arranged on the main body, and the pressure-relieving and flow-guiding device is fixed on a flow-guiding hole in the outer ring of the main body by means of welding. A sealing ring fixed loop is disposed in the inner ring of the main body; a sealing ring is installed in the sealing ring fixed loop. The lower hoop is an arc plate of which both sides are provided with folding sides; bolt holes are arranged on the folding sides of the arc plate.
Description
Technical field
The present invention relates to a kind of method and leakage-baffling device of pipe plugging, particularly a kind of pipeline to band pressure working fluid carries out the method for leak stopping and the pipe plugging device of band pressure release drainage system.
Background technique
At present, after pipeline leaks, or change pipeline, or the leak of pipeline is taked leak stopping.Yet no matter be to change pipeline or leak stopping, the pressure that all needs to close in the pipeline could be constructed.When closing pressure not, when directly the pipeline that leaks being carried out leak stopping, the working fluid that has pressure goes out to release from the leakage of pipeline, will influence the carrying out of leak stopping work, also has influence on plugging effect.In addition, this pass presses the drawback of leak stopping a lot, and is long as the leak stopping consumed time, needs to close the also corresponding prolongation of time of pressing, and after pressing for the pipeline pass that can not close pressure aborning, can cause damage to production.
Summary of the invention
The objective of the invention is to overcome the above-mentioned deficiency of prior art and provide a kind of the pipeline of being with the pressure working fluid is carried out the method for leak stopping and the pipe plugging device of band release drainage system.
Technological scheme of the present invention is: a kind of pipe pressurized blocking method, and its specific operation step is as follows:
One, the leak of pipeline will be installed in the pipe plugging device of pressure release drainage system, the Decompression valves on the leak stopping device drainage tube will be opened before installing.Leak device and adopt and dredge stifled again thinking earlier, draw away and reduce earial drainage pressure leaking water, alleviate difficulty of construction, convenient working by the pressure release drainage system on the leak stopping device.
Two, the pipe plugging device comprises leak stopping anchor ear body and following anchor ear of a band pressure release drainage system, leak stopping anchor ear body and following anchor ear are fixed on the leak of pipeline by being threaded, rely on the seal ring on the leak stopping anchor ear body to seal around the leak of pipeline, close the valve of pressure release drainage system then, realize preliminary leak stopping.
Three, realize preliminary leak stopping after, reach final leak stopping purpose thereby in time leak stopping anchor ear body and pipeline welding are connected as a single entity again.When leak stopping anchor ear body and pipeline welding,, and then be welded on the pipeline with the border seal of sealing plate with leak stopping anchor ear body.
When four, welding the combustible fluid pipeline, clean out the inflammable substance of pipe surface, manifold pressure and barometric pressure are in a ratio of malleation.
The present invention also provides a kind of pipe plugging device with the pressure release drainage system, and it comprises leak stopping anchor ear body and a following anchor ear of a band pressure release drainage system.Body is the circular arc plate of one two sideband flanging, and the flanging of circular arc plate is provided with bolt hole.Body is provided with four and strengthens gusset, and the pressure release drainage system is fixed by welding on the conduction hole of body outer ring.At the inner ring of body, be provided with a seal ring retaining ring, seal ring just is placed in the seal ring retaining ring.Following anchor ear is the circular arc plate of one two sideband flanging, and the flanging of circular arc plate is provided with bolt hole.
The present invention compared with prior art has following characteristics:
1, according to dredging stifled again pipe plugging basic ideas earlier, on leak stopping anchor ear body, designed the release drainage system.Draw away and reduce earial drainage pressure leaking water by the pressure release drainage system, alleviate difficulty of construction, convenient working.
2, can design and produce special leak stopping anchor ear according to on-site actual situations, select suitable moulding sealing material for use according to the chemical property of leaking medium, pressure, temperature etc. in addition, structure, principle are quite simple, flexible, carry out complicated theoretical calculation and tight technological operation and need not form the seal ring problem with regard to the scene temporarily.
3, adopt annular seal, seal and stressedly evenly do not exist stress concentrated, can effectively improve voltage withstand class.
4, except that on straight length, using, also can carry out leak stopping, only need to make corresponding special-shaped seal seat and closure gasket groove according to on-the-spot size situation to privileged sites such as elbow, undergauge, threeways.
Below in conjunction with the drawings and specific embodiments detailed structure of the present invention is further described.
Description of drawings
Accompanying drawing 1 is a pipe pressurized blocking method scheme of installation provided by the invention;
Accompanying drawing 2 is a left view in the accompanying drawing 1;
Accompanying drawing 3 is the leak stopping anchor ear body structure schematic representation of band pressure release drainage system;
Accompanying drawing 4 is the worm's eye view of accompanying drawing 3;
Accompanying drawing 5 is the A-A sectional view in the accompanying drawing 3;
Accompanying drawing 6 is the structural representation of following anchor ear;
Accompanying drawing 7 is the worm's eye view of accompanying drawing 6.
Embodiment
A kind of pipe pressurized blocking method, its specific operation step is as follows:
One, the leak of pipeline 4 will be installed in the leak stopping device of pressure release drainage system, the Decompression valves on the leak stopping device drainage tube will be opened before installing.Leak device and adopt and dredge stifled again thinking earlier, draw away and reduce earial drainage pressure leaking water, alleviate difficulty of construction, convenient working by the pressure release drainage system on the leak stopping device.
Two, the pipe plugging device comprises leak stopping anchor ear body 1 and following anchor ear 3 of a band pressure release drainage system 2, leak stopping anchor ear body 1 and following anchor ear 3 are fixed on the leak of pipeline 4 by being threaded, rely on the seal ring 1-2 on the leak stopping anchor ear body 1 to seal around the leak of pipeline 4, close the valve of pressure release drainage system then, realize preliminary leak stopping.
Three, after the preliminary leak stopping of realization, reach final leak stopping purpose thereby in time leak stopping anchor ear body 1 is connected as a single entity with pipeline 4 welding again.When leak stopping anchor ear body 1 welds with pipeline 4,, and then be welded on the pipeline 4 with the border seal of sealing plate 5 with leak stopping anchor ear body 1.
When four, welding the combustible fluid pipeline, clean out the inflammable substance of pipe surface, manifold pressure and barometric pressure are in a ratio of malleation.
The present invention also provides a kind of pipe plugging device with the pressure release drainage system, and it comprises leak stopping anchor ear body 1 and a following anchor ear 3 of a band pressure release drainage system 2.Body 1 is the circular arc plate of one two sideband flanging, and the flanging of circular arc plate is provided with bolt hole 1-5.Body 1 is provided with four and strengthens gusset 1-1, and pressure release drainage system 2 is fixed by welding on the conduction hole 1-4 of body 1 outer ring.At the inner ring of body 1, be provided with a seal ring retaining ring 1-3, seal ring 1-2 just is placed in the seal ring retaining ring 1-3.Following anchor ear 3 is the circular arc plate of one two sideband flanging, and the flanging of circular arc plate is provided with bolt hole 3-1.
Claims (2)
1. pipe pressurized blocking method is characterized in that: leak device and adopt and dredge stifled again thinking earlier, draw away and reduce earial drainage pressure leaking water by the pressure release drainage system on the leak stopping device, alleviate difficulty of construction, convenient working;
Its specific operation step is as follows:
One, the leak of pipeline will be installed in the leak stopping device of pressure release drainage system, the Decompression valves on the leak stopping device drainage tube will be opened before installing;
Two, the pipe plugging device comprises leak stopping anchor ear body and following anchor ear of a band pressure release drainage system, leak stopping anchor ear body and following anchor ear are fixed on the leak of pipeline by being threaded, rely on the seal ring on the leak stopping anchor ear body to seal around the leak of pipeline, close the valve of pressure release drainage system then, realize preliminary leak stopping;
Three, realize preliminary leak stopping after, reach final leak stopping purpose thereby in time leak stopping anchor ear body and pipeline welding are connected as a single entity again; When leak stopping anchor ear body and pipeline welding,, and then be welded on the pipeline with the border seal of sealing plate with leak stopping anchor ear body;
When four, welding the combustible fluid pipeline, clean out the inflammable substance of pipe surface, manifold pressure and barometric pressure are in a ratio of malleation.
2. pipe plugging device with the pressure release drainage system, it is characterized in that: it comprises leak stopping anchor ear body and a following anchor ear of a band pressure release drainage system, body is the circular arc plate of one two sideband flanging, the flanging of circular arc plate is provided with bolt hole, body is provided with four and strengthens gusset, and the pressure release drainage system is fixed by welding on the conduction hole of body outer ring, at the inner ring of body, be provided with a seal ring retaining ring, seal ring just is placed in the seal ring retaining ring; Following anchor ear is the circular arc plate of one two sideband flanging, and the flanging of circular arc plate is provided with bolt hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910226644A CN101725792A (en) | 2009-12-10 | 2009-12-10 | Leaking stoppage method and device with pressure for pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910226644A CN101725792A (en) | 2009-12-10 | 2009-12-10 | Leaking stoppage method and device with pressure for pipeline |
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| CN101725792A true CN101725792A (en) | 2010-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910226644A Pending CN101725792A (en) | 2009-12-10 | 2009-12-10 | Leaking stoppage method and device with pressure for pipeline |
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| CN (1) | CN101725792A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518908A (en) * | 2011-11-02 | 2012-06-27 | 辽宁省电力有限公司葫芦岛供电公司 | SF6 leakage plugging method of GIS (Gas Insulated Switchgear) |
| CN103133771A (en) * | 2013-03-14 | 2013-06-05 | 刘绍康 | Three-way shunting blocking device and blocking regeneration method thereof |
| CN103752990A (en) * | 2013-12-31 | 2014-04-30 | 中国庆华能源集团有限公司 | Leak repairing method of combustible gas pipe under pressure |
| CN104246335A (en) * | 2012-02-20 | 2014-12-24 | 沙特阿拉伯石油公司 | Apparatus and method to contain pipeline leaks from a longitudinal portion of a pipeline |
| CN105351676A (en) * | 2015-12-14 | 2016-02-24 | 芜湖新兴铸管有限责任公司 | Repair method of no-steam-stop repair structure of steam pipe |
| CN108413172A (en) * | 2018-04-26 | 2018-08-17 | 吕雯峻 | Sealing and plugging technique under non-metal expansion joint on-line operation state |
| CN109114351A (en) * | 2018-10-29 | 2019-01-01 | 公安部上海消防研究所 | A kind of Pressure Vessel device for plugging and its blocking method |
| CN109373104A (en) * | 2018-12-04 | 2019-02-22 | 中国安全生产科学研究院 | By the drainage device of the product pipeline leakage emergency disposal of damage from third-party |
| CN112780877A (en) * | 2021-01-20 | 2021-05-11 | 中国石油天然气集团有限公司 | B-type sleeve for repairing circumferential weld defects between three-way branch pipe and butted steel pipe and installation method thereof |
| CN114542846A (en) * | 2022-02-21 | 2022-05-27 | 潍坊华润燃气有限公司 | Gas pipeline pressurized leakage blocking device and leakage blocking method thereof |
-
2009
- 2009-12-10 CN CN200910226644A patent/CN101725792A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518908A (en) * | 2011-11-02 | 2012-06-27 | 辽宁省电力有限公司葫芦岛供电公司 | SF6 leakage plugging method of GIS (Gas Insulated Switchgear) |
| CN102518908B (en) * | 2011-11-02 | 2015-04-01 | 辽宁省电力有限公司葫芦岛供电公司 | SF6 leakage plugging method of GIS (Gas Insulated Switchgear) |
| CN104246335A (en) * | 2012-02-20 | 2014-12-24 | 沙特阿拉伯石油公司 | Apparatus and method to contain pipeline leaks from a longitudinal portion of a pipeline |
| CN104246335B (en) * | 2012-02-20 | 2016-03-30 | 沙特阿拉伯石油公司 | For accommodating the device and method in the pipe leakage portion of the longitudinal component from pipeline |
| CN103133771A (en) * | 2013-03-14 | 2013-06-05 | 刘绍康 | Three-way shunting blocking device and blocking regeneration method thereof |
| CN103752990A (en) * | 2013-12-31 | 2014-04-30 | 中国庆华能源集团有限公司 | Leak repairing method of combustible gas pipe under pressure |
| CN103752990B (en) * | 2013-12-31 | 2016-06-15 | 中国庆华能源集团有限公司 | The method of a kind of combustible gas pipe racks pressure mending-leakage |
| CN105351676A (en) * | 2015-12-14 | 2016-02-24 | 芜湖新兴铸管有限责任公司 | Repair method of no-steam-stop repair structure of steam pipe |
| CN108413172A (en) * | 2018-04-26 | 2018-08-17 | 吕雯峻 | Sealing and plugging technique under non-metal expansion joint on-line operation state |
| CN109114351A (en) * | 2018-10-29 | 2019-01-01 | 公安部上海消防研究所 | A kind of Pressure Vessel device for plugging and its blocking method |
| CN109114351B (en) * | 2018-10-29 | 2024-03-26 | 应急管理部上海消防研究所 | Leakage blocking device and leakage blocking method for pressurized container |
| CN109373104A (en) * | 2018-12-04 | 2019-02-22 | 中国安全生产科学研究院 | By the drainage device of the product pipeline leakage emergency disposal of damage from third-party |
| CN109373104B (en) * | 2018-12-04 | 2019-10-15 | 中国安全生产科学研究院 | By the drainage device of the product pipeline leakage emergency disposal of damage from third-party |
| CN112780877A (en) * | 2021-01-20 | 2021-05-11 | 中国石油天然气集团有限公司 | B-type sleeve for repairing circumferential weld defects between three-way branch pipe and butted steel pipe and installation method thereof |
| CN112780877B (en) * | 2021-01-20 | 2023-04-25 | 中国石油天然气集团有限公司 | B-type sleeve for repairing girth weld defects between three-way branch pipe and butt-joint steel pipe and mounting method thereof |
| CN114542846A (en) * | 2022-02-21 | 2022-05-27 | 潍坊华润燃气有限公司 | Gas pipeline pressurized leakage blocking device and leakage blocking method thereof |
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Application publication date: 20100609 |