CN1594957A - Method and apparatus for pipe leakage repairing - Google Patents
Method and apparatus for pipe leakage repairing Download PDFInfo
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- CN1594957A CN1594957A CN 200410047878 CN200410047878A CN1594957A CN 1594957 A CN1594957 A CN 1594957A CN 200410047878 CN200410047878 CN 200410047878 CN 200410047878 A CN200410047878 A CN 200410047878A CN 1594957 A CN1594957 A CN 1594957A
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- pipe
- holding card
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- leakage
- valve
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Abstract
This invention discloses a method of pipe leakage-repairing and quick repairing and its devices. This method include: (1) use holding block to hoop the leaking pipe, transfer the leaking medium to distant place through a pressure-discharging tube with valve gate; (2) bind the holding block and the pipeline tightly; (3) close the valve gate, cut off the pressure-discharging tube. This device is a new kind of holding block, including the blocking body and the pressure-discharging device. The pressure-discharging device consists of a hollow chamber protruding on the blocking body, a valve gate connected with the chamber and a pressure-discharging tube linked with the valve gate. This invention solves the problem of medium pressure, and can be applied on any pipes of oil chemistry and gas, and will not reduce the pressure of the medium in the pipe or stop the medium transmission.
Description
Technical field the invention belongs to the repairing pipe technical field, and particularly a kind of pipeline that appearance under the user mode is leaked carries out the method for mending-leakage repairing, and utilizes this method to carry out the device of mending-leakage repairing.
Background technique is in order to satisfy the needs of long-range conveying, and media such as oil, rock gas, liquid gas, coal gas are generally transported in fields such as petrochemical industry, gas industry by pipeline.Simultaneously, in order to improve transfer efficiency, the elevated pressures that the medium in the pipeline has, pressure is generally greater than 1KG.In self corrosion, perhaps artificially reach effect such as other external force down, conveyance conduit can leak unavoidably.In case leak, must carry out the blocking Leakage repairing in time, effectively.
When the pipeline of transportation oil, rock gas, liquid gas, coal gas etc. takes place to leak, be subjected to factor affecting such as the interior pressure medium of pipeline, people are difficult to the direct method of welding by hand it are blocked.At present, in the situation that city gas pipeline pressure is lower in China, leakage point is littler, generally wale pipeline with holding card, block the again naked light welding of gas leakage point, or adopt the method for rapid condensation glue mending-leakage.But when leakage point is big, the leakage point pipeline is dirtier or the more high situation of manifold pressure under, the effect that this method is difficult to obtain, even abnormally dangerous so that can't operate.Because manifold pressure is higher, can not adopt preceding method to carry out the mending-leakage repairing such as, Technologies in Petrochemical Industry, the present general mode that reduces earlier pressure or stop to leak the pipeline section medium transport all only taked, and then rush to repair.
In China, the situation to pipe network step-down and stoppage in transit medium that takes place because of pipe leakage is very general, and stoppage in transit medium or reduction ductwork pressure cause tremendous influence for terminal use's production, life, bring huge economic loss also for the manager of pipe network.Especially in big city, big high pressure pipe network is all the more so.
One of summary of the invention purpose of the present invention provides the method for mending-leakage repairing pipeline under a kind of, the more high abominable repairing environment of manifold pressure big at leakage point, adopts this method to repair the medium transport that pipeline does not need to stop to leak pipeline section.
Another object of the present invention provides a kind of device that is used to adopt the inventive method repairing pipeline.
The existing why weak effect of craft leakage mending method of speedily carrying out rescue work, the medium transport that perhaps must stop to leak pipeline section earlier, a chief reason just is that leakage point pressure is too big.In tight dead process of embracing card,, more and more seal and when forming one, pressure is more and more big, is finally embracing the new leak source of formation between card and the pipeline because sealing layer is more and more tight with the pipeline of leakage with bolt.For this reason, the present invention designs a kind of new blocking Leakage emergency repair method.The party's nature of law is to reduce the pressure medium of leakage point, thus convenient repairing operation.The inventive method specifically comprises following step:
(1) find leakage point after, wale whole leakage pipeline section with holding card, allow the medium that leaks out relief tube with valve on the holding card be transported to place away from leakage point;
(2) tightly live holding card, holding card and pipe shaft are closely combined;
(3) throttle down is clipped valve rear end relief tube.
Above-mentioned steps (2) described " the tight card of firmly embracing ", multiple implementation method is arranged, as can embracing card and be fastened on the pipe shaft by bolt, nut, also can possess directly will embrace under the condition of welding edge along weldering extremely on pipe shaft, can also welding again on the fastening basis of bolt, nut.In a word, as long as holding card and pipe shaft are closely combined, the cutoff pressure that can bear behind the valve closing gets final product.
Adopt said method, can carry out repair operation easily not stopping to leak under the situation of pipeline section medium transport, thereby solve the difficult problem of prior art.
Consider problems such as the bearing capacity of valve and working life, for the purpose of further guaranteeing safety, can also increase a step more afterwards in above-mentioned steps (3).That is, after clipping valve rear end relief tube, with a valve cover that can bear enough big pressure valve is covered, the end of valve cover, is along being closely linked with holding card or pipe shaft.Like this, even if valve has been washed open by medium in the future, still can not cause leaking.
The present invention also designs a kind of for adopting the inventive method to repair the device of pipeline, can be described as a kind of novel holding card.This device comprises holding card clamp and pressure relief device two parts: the holding card clamp watt is made up of two pipes, and these two pipes watt can synthesize one section complete pipe; Pressure relief device comprises protrusion release cavity, a pressure relief valve that links to each other with this release cavity and relief tube that links to each other with this pressure relief valve on the holding card clamp.When in use, the release cavity of holding card top facing to leakage point, because being relaxed pipe, medium with pressure is discharged, so that the pipeline that holding card can locking be leaked under being close to not with the situation of pressure.
Longitudinal edge of two pipes watt be along can connecting together by connected modes such as loose-leaves, and another longitudinal edge is not along connecting to keep an opening, along a boss is arranged, the hole of passing for fastening bolt arranged on the boss at the opening longitudinal edge of pipe watt; Two pipes watt also can separate fully, along respectively a boss being arranged, the hole of passing for fastening bolt are arranged on the boss at two longitudinal edges of pipe watt.
In order to strengthen sealing effectiveness, can also set up sealant at holding card clamp inwall.
The holding card clamp can adopt the metal material of being convenient to pipeline welding, also can adopt other nonmetallic materials.
The present invention has solved the pressure medium problem that runs in the prior art neatly, can on pipelines such as the petrochemical industry of the existing any pressure of China, combustion gas, easily finish mending-leakage, and need not take the measure that reduces pressure or stop medium transport the band pressure medium in the pipeline.The principle of the invention is simple, and easy operating, but can fundamentally solve the leakage accident that pipelines and petrochemical pipelines, city gas pipeline etc. take place, and finishes the repairing work of pipelines such as oil, combustion gas efficiently and safely.
Below in conjunction with drawings and Examples the present invention is described further.
Description of drawings Fig. 1 is the structural representation that the present invention repairs the device of pipeline.
Fig. 1 wherein, 1 is fastening bolt, 2 is boss, 3 is the holding card clamp, 4 is relief tube, 5 is pressure relief valve, 6 for the release cavity, 7 is sealant.
The specific embodiment adopts following steps that the conveyance conduit that takes place to leak is carried out the mending-leakage repairing in the present embodiment:
(1) find leakage point after, wale whole leakage pipeline section with holding card, allow the medium that leaks out relief tube with valve on the holding card be transported to place away from leakage point;
(2) by bolt, nut holding card is fastened on the pipe shaft, and then with holding card edge weldering extremely on pipe shaft, holding card and pipe shaft are closely combined;
(3) throttle down is clipped valve rear end relief tube;
(4) with a valve cover that can bear enough big pressure valve is covered, the end of valve cover, is along being welded on the holding card.
The novel armful of card structure that is applied to the foregoing description be as shown in Figure 1:
This holding card comprises holding card clamp 3 and pressure relief device two parts: holding card clamp 3 watt is made up of two pipes, and two pipes watt separate under off working state fully, along respectively a boss 2 being arranged, the hole of passing for fastening bolt 1 is arranged on the boss 2 at two longitudinal edges of pipe watt.Two pipes watt can synthesize one section complete pipe by fastening bolt 1, in order to embrace the leakage pipeline section; Pressure relief device comprises protrusion release cavity 6, a pressure relief valve 5 that links to each other with this release cavity 6 and relief tube 4 that links to each other with this pressure relief valve 5 on holding card clamp 3.When in use, the release cavity 6 of holding card top facing to leakage point, because being relaxed pipe 4, medium with pressure is discharged, so that the pipeline that holding card can locking be leaked under being close to not with the situation of pressure.
For make holding card can with pipeline welding together, this card holding card body has adopted the metal material of being convenient to pipeline welding.
In order further to strengthen sealing effectiveness, this holding card also is provided with sealant 7 at holding card clamp inwall.
Present embodiment has also welded one in pressure relief valve 5 outsides can bear enough valve covers of big pressure, even if valve has been washed open by medium in the future, still can not cause leaking.The sealant 7 that holding card clamp inwall is set up has further strengthened the sealing effectiveness of holding card and pipeline enclosure.
The present invention has solved the pressure medium problem that runs in the prior art neatly.Adopt said method and aim at the device of this method design, can on pipelines such as the petrochemical industry of the existing any pressure of China, combustion gas, easily finish mending-leakage, and need not take the measure that reduces pressure or stop medium transport the band pressure medium in the pipeline.
Claims (9)
1, a kind of method of blocking Leakage repairing is characterized in that may further comprise the steps:
(1) find leakage point after, wale whole leakage pipeline section with holding card, allow the medium that leaks out relief tube with valve on the holding card be transported to place away from leakage point;
(2) tightly live holding card, holding card and pipe shaft are closely combined;
(3) throttle down is clipped valve rear end relief tube.
2, the method for blocking Leakage repairing according to claim 1 is characterized in that, also comprises the steps: afterwards in described step (3)
After clipping valve rear end relief tube, with a valve cover that can bear enough big pressure valve is covered, the end of valve cover, is along being closely linked with holding card or pipe shaft.
3, the method for pipe leakage repairing according to claim 2 is characterized in that, edge, the end and the combination between holding card or the pipe shaft of valve cover can be by the modes of welding.
According to the method for claim 1 or 2 or 3 described pipe leakage repairings, it is characterized in that 4, the described tight firmly holding card of step (2) can adopt bolt, nut that holding card is fastened on the pipe shaft.
5, according to the method for claim 1 or the repairing of 2 or 3 described blocking Leakages, it is characterized in that, the described tight card of living to embrace of step (2), possess under the condition of welding can be directly with embrace edge along weldering extremely on pipe shaft, perhaps welding again on the fastening basis of bolt, nut.
6, a kind of for adopting the described method of claim 1 to repair the device of pipeline, it is characterized in that: this device comprises holding card clamp and pressure relief device two parts;
Embrace card card body and watt be made up of two pipes, these two pipes watt can synthesize one section complete pipe;
Pressure relief device comprises protrusion release cavity, a pressure relief valve that links to each other with this release cavity and relief tube that links to each other with this pressure relief valve on the holding card clamp.
7, device according to claim 6, it is characterized in that: two the pipe watt a vertical edge connect together by the loose-leaf Placement, another vertical edge does not connect keeping an opening, at the vertical edge of opening of pipe watt a boss is arranged, and the hole of passing for clamping bolt is arranged on the boss.
8, device according to claim 6, it is characterized in that: two pipe watt fully separation under off working state, at two longitudinal edges of pipe watt along a boss is arranged respectively, the hole of passing for fastening bolt is arranged on the boss, and two pipes watt can synthesize one section complete pipe in order to embrace the leakage pipeline section by fastening bolt.
9, according to claim 6 or 7 or 8 described devices, it is characterized in that: also have additional sealant at holding card clamp inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410047878 CN1594957A (en) | 2004-06-18 | 2004-06-18 | Method and apparatus for pipe leakage repairing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410047878 CN1594957A (en) | 2004-06-18 | 2004-06-18 | Method and apparatus for pipe leakage repairing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1594957A true CN1594957A (en) | 2005-03-16 |
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ID=34665732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410047878 Pending CN1594957A (en) | 2004-06-18 | 2004-06-18 | Method and apparatus for pipe leakage repairing |
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| CN (1) | CN1594957A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832444A (en) * | 2010-04-29 | 2010-09-15 | 赵逸 | Buried gas bellows emergency repair construction method |
| CN101846216A (en) * | 2010-07-12 | 2010-09-29 | 中国化学工程第四建设公司 | Construction method for connecting natural gas pipelines with gas |
| CN102943942A (en) * | 2012-12-05 | 2013-02-27 | 中国石油集团工程设计有限责任公司 | Novel ocean pipeline plugging device and method |
| CN103883839A (en) * | 2014-03-20 | 2014-06-25 | 上海华力微电子有限公司 | Emergency leakage stopping box of stainless steel pipeline and method for installing emergency leakage stopping box |
| CN105065847A (en) * | 2015-08-04 | 2015-11-18 | 天津卓达管道机械制造有限公司 | Split plugging tee joint with reinforcing ribs |
| CN105766667A (en) * | 2016-03-09 | 2016-07-20 | 中博农畜牧科技股份有限公司 | Connecting piece special for milking parlour fence |
| CN108223961A (en) * | 2018-01-17 | 2018-06-29 | 毛炜 | A kind of pipeline burst automatic plugging valve |
| WO2019047566A1 (en) * | 2017-09-07 | 2019-03-14 | 安徽恒生科技发展集团有限公司 | Pipeline repairing device |
-
2004
- 2004-06-18 CN CN 200410047878 patent/CN1594957A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832444A (en) * | 2010-04-29 | 2010-09-15 | 赵逸 | Buried gas bellows emergency repair construction method |
| CN101846216A (en) * | 2010-07-12 | 2010-09-29 | 中国化学工程第四建设公司 | Construction method for connecting natural gas pipelines with gas |
| CN102943942A (en) * | 2012-12-05 | 2013-02-27 | 中国石油集团工程设计有限责任公司 | Novel ocean pipeline plugging device and method |
| CN103883839A (en) * | 2014-03-20 | 2014-06-25 | 上海华力微电子有限公司 | Emergency leakage stopping box of stainless steel pipeline and method for installing emergency leakage stopping box |
| CN105065847A (en) * | 2015-08-04 | 2015-11-18 | 天津卓达管道机械制造有限公司 | Split plugging tee joint with reinforcing ribs |
| CN105766667A (en) * | 2016-03-09 | 2016-07-20 | 中博农畜牧科技股份有限公司 | Connecting piece special for milking parlour fence |
| CN105766667B (en) * | 2016-03-09 | 2018-06-12 | 中博农畜牧科技股份有限公司 | A kind of milking parlour fence special connecting piece |
| WO2019047566A1 (en) * | 2017-09-07 | 2019-03-14 | 安徽恒生科技发展集团有限公司 | Pipeline repairing device |
| CN108223961A (en) * | 2018-01-17 | 2018-06-29 | 毛炜 | A kind of pipeline burst automatic plugging valve |
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